From 5b323c7beb1b10b137f9e21981050319d89d55dd Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:28 +0000 Subject: [PATCH 01/31] [ARM] S3C: Move HSMMC device definition to plat-s3ec Move the definition for the hsmmc device to plat-s3c to be shared between the s3c24xx and s3c64xx platforms. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c2410/include/mach/irqs.h | 2 + arch/arm/mach-s3c2410/include/mach/map.h | 1 + arch/arm/mach-s3c2443/Kconfig | 1 + arch/arm/mach-s3c2443/mach-smdk2443.c | 2 +- arch/arm/mach-s3c6400/include/mach/map.h | 9 +++++ arch/arm/mach-s3c6410/Kconfig | 1 + arch/arm/plat-s3c/Kconfig | 8 ++++ arch/arm/plat-s3c/Makefile | 6 ++- arch/arm/plat-s3c/dev-hsmmc.c | 47 +++++++++++++++++++++++ arch/arm/plat-s3c/include/plat/devs.h | 4 +- arch/arm/plat-s3c24xx/devs.c | 30 --------------- 11 files changed, 78 insertions(+), 33 deletions(-) create mode 100644 arch/arm/plat-s3c/dev-hsmmc.c diff --git a/arch/arm/mach-s3c2410/include/mach/irqs.h b/arch/arm/mach-s3c2410/include/mach/irqs.h index 950c71bf1489..fa8764b05692 100644 --- a/arch/arm/mach-s3c2410/include/mach/irqs.h +++ b/arch/arm/mach-s3c2410/include/mach/irqs.h @@ -134,6 +134,8 @@ #define IRQ_S3C2443_HSMMC S3C2410_IRQ(20) /* IRQ_SDI */ #define IRQ_S3C2443_NAND S3C2410_IRQ(24) /* reserved */ +#define IRQ_HSMMC0 IRQ_S3C2443_HSMMC + #define IRQ_S3C2443_LCD1 S3C2410_IRQSUB(14) #define IRQ_S3C2443_LCD2 S3C2410_IRQSUB(15) #define IRQ_S3C2443_LCD3 S3C2410_IRQSUB(16) diff --git a/arch/arm/mach-s3c2410/include/mach/map.h b/arch/arm/mach-s3c2410/include/mach/map.h index 918e3463297f..d5ae6823fed4 100644 --- a/arch/arm/mach-s3c2410/include/mach/map.h +++ b/arch/arm/mach-s3c2410/include/mach/map.h @@ -102,5 +102,6 @@ #define S3C24XX_PA_NAND S3C2410_PA_NAND #define S3C_PA_UART S3C24XX_PA_UART +#define S3C_PA_HSMMC0 S3C2443_PA_HSMMC #endif /* __ASM_ARCH_MAP_H */ diff --git a/arch/arm/mach-s3c2443/Kconfig b/arch/arm/mach-s3c2443/Kconfig index 14252f573754..212141baebec 100644 --- a/arch/arm/mach-s3c2443/Kconfig +++ b/arch/arm/mach-s3c2443/Kconfig @@ -24,6 +24,7 @@ config MACH_SMDK2443 bool "SMDK2443" select CPU_S3C2443 select MACH_SMDK + select S3C_DEV_HSMMC help Say Y here if you are using an SMDK2443 diff --git a/arch/arm/mach-s3c2443/mach-smdk2443.c b/arch/arm/mach-s3c2443/mach-smdk2443.c index a7fe65f3dcc1..815a3bd1d37b 100644 --- a/arch/arm/mach-s3c2443/mach-smdk2443.c +++ b/arch/arm/mach-s3c2443/mach-smdk2443.c @@ -104,7 +104,7 @@ static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = { static struct platform_device *smdk2443_devices[] __initdata = { &s3c_device_wdt, &s3c_device_i2c, - &s3c_device_hsmmc, + &s3c_device_hsmmc0, }; static void __init smdk2443_map_io(void) diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c6400/include/mach/map.h index 618f09d637b2..aadaaaf2d8b6 100644 --- a/arch/arm/mach-s3c6400/include/mach/map.h +++ b/arch/arm/mach-s3c6400/include/mach/map.h @@ -17,6 +17,12 @@ #include +/* HSMMC units */ +#define S3C64XX_PA_HSMMC(x) (0x7C200000 + ((x) * 0x100000)) +#define S3C64XX_PA_HSMMC0 S3C64XX_PA_HSMMC(0) +#define S3C64XX_PA_HSMMC1 S3C64XX_PA_HSMMC(1) +#define S3C64XX_PA_HSMMC2 S3C64XX_PA_HSMMC(2) + #define S3C_PA_UART (0x7F005000) #define S3C_PA_UART0 (S3C_PA_UART + 0x00) #define S3C_PA_UART1 (S3C_PA_UART + 0x400) @@ -49,5 +55,8 @@ /* compatibiltiy defines. */ #define S3C_PA_TIMER S3C64XX_PA_TIMER +#define S3C_PA_HSMMC0 S3C64XX_PA_HSMMC0 +#define S3C_PA_HSMMC1 S3C64XX_PA_HSMMC1 +#define S3C_PA_HSMMC2 S3C64XX_PA_HSMMC2 #endif /* __ASM_ARCH_6400_MAP_H */ diff --git a/arch/arm/mach-s3c6410/Kconfig b/arch/arm/mach-s3c6410/Kconfig index 75b1244cf8ab..d7ccc269086c 100644 --- a/arch/arm/mach-s3c6410/Kconfig +++ b/arch/arm/mach-s3c6410/Kconfig @@ -17,5 +17,6 @@ config CPU_S3C6410 config MACH_SMDK6410 bool "SMDK6410" select CPU_S3C6410 + select S3C_DEV_HSMMC help Machine support for the Samsung SMDK6410 diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig index 6fa261a3d405..0deb1054975f 100644 --- a/arch/arm/plat-s3c/Kconfig +++ b/arch/arm/plat-s3c/Kconfig @@ -102,3 +102,11 @@ config S3C_LOWLEVEL_UART_PORT such as the `Uncompressing...` at start time. The value of this configuration should be between zero and two. The port must have been initialised by the boot-loader before use. + +# device definitions to compile in + +config S3C_DEV_HSMMC + bool + depends on PLAT_S3C + help + Compile in platform device definitions for HSMMC code diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile index a2fe3c77564e..b95a9c106467 100644 --- a/arch/arm/plat-s3c/Makefile +++ b/arch/arm/plat-s3c/Makefile @@ -14,4 +14,8 @@ obj- := obj-y += init.o obj-y += time.o obj-y += clock.o -obj-y += pwm-clock.o \ No newline at end of file +obj-y += pwm-clock.o + +# devices + +obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o diff --git a/arch/arm/plat-s3c/dev-hsmmc.c b/arch/arm/plat-s3c/dev-hsmmc.c new file mode 100644 index 000000000000..5a5ef74ebde3 --- /dev/null +++ b/arch/arm/plat-s3c/dev-hsmmc.c @@ -0,0 +1,47 @@ +/* linux/arch/arm/plat-s3c/dev-hsmmc.c + * + * Copyright (c) 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C series device definition for hsmmc devices + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include + +#include +#include +#include + +#define S3C_SZ_HSMMC (0x1000) + +static struct resource s3c_hsmmc_resource[] = { + [0] = { + .start = S3C_PA_HSMMC0, + .end = S3C_PA_HSMMC0 + S3C_SZ_HSMMC - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_HSMMC0, + .end = IRQ_HSMMC0, + .flags = IORESOURCE_IRQ, + } +}; + +static u64 s3c_device_hsmmc_dmamask = 0xffffffffUL; + +struct platform_device s3c_device_hsmmc0 = { + .name = "s3c-sdhci", + .id = 0, + .num_resources = ARRAY_SIZE(s3c_hsmmc_resource), + .resource = s3c_hsmmc_resource, + .dev = { + .dma_mask = &s3c_device_hsmmc_dmamask, + .coherent_dma_mask = 0xffffffffUL + } +}; diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h index a689c7c5ac23..f173863b8cc7 100644 --- a/arch/arm/plat-s3c/include/plat/devs.h +++ b/arch/arm/plat-s3c/include/plat/devs.h @@ -32,7 +32,9 @@ extern struct platform_device s3c_device_iis; extern struct platform_device s3c_device_rtc; extern struct platform_device s3c_device_adc; extern struct platform_device s3c_device_sdi; -extern struct platform_device s3c_device_hsmmc; +extern struct platform_device s3c_device_hsmmc0; +extern struct platform_device s3c_device_hsmmc1; +extern struct platform_device s3c_device_hsmmc2; extern struct platform_device s3c_device_spi0; extern struct platform_device s3c_device_spi1; diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c index ea445850ff47..3a2fcd94791e 100644 --- a/arch/arm/plat-s3c24xx/devs.c +++ b/arch/arm/plat-s3c24xx/devs.c @@ -403,36 +403,6 @@ struct platform_device s3c_device_sdi = { EXPORT_SYMBOL(s3c_device_sdi); -/* High-speed MMC/SD */ - -static struct resource s3c_hsmmc_resource[] = { - [0] = { - .start = S3C2443_PA_HSMMC, - .end = S3C2443_PA_HSMMC + S3C2443_SZ_HSMMC - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_S3C2443_HSMMC, - .end = IRQ_S3C2443_HSMMC, - .flags = IORESOURCE_IRQ, - } -}; - -static u64 s3c_device_hsmmc_dmamask = 0xffffffffUL; - -struct platform_device s3c_device_hsmmc = { - .name = "s3c-sdhci", - .id = -1, - .num_resources = ARRAY_SIZE(s3c_hsmmc_resource), - .resource = s3c_hsmmc_resource, - .dev = { - .dma_mask = &s3c_device_hsmmc_dmamask, - .coherent_dma_mask = 0xffffffffUL - } -}; - - - /* SPI (0) */ static struct resource s3c_spi0_resource[] = { From 39057f237dc9aff2a5ea41995029eeef7b677fae Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:29 +0000 Subject: [PATCH 02/31] [ARM] SMDK6410: Add HSMMC0 device Add HSMMC0 device to SMDK6410. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6410/mach-smdk6410.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c6410/mach-smdk6410.c index 35d42e8cab92..609d5bd0812f 100644 --- a/arch/arm/mach-s3c6410/mach-smdk6410.c +++ b/arch/arm/mach-s3c6410/mach-smdk6410.c @@ -62,6 +62,7 @@ static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = { struct map_desc smdk6410_iodesc[] = {}; static struct platform_device *smdk6410_devices[] __initdata = { + &s3c_device_hsmmc0, }; extern void s3c64xx_init_io(struct map_desc *, int); From efd3a8eb150e383305c36eedc78c29cab910158e Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:30 +0000 Subject: [PATCH 03/31] [ARM] S3C64XX: Add gpio bank numbering Define the gpio numbers for the S3C64XX GPIO banks available on the S3C6400 and S3C6410. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6400/include/mach/gpio.h | 72 ++++++++++++++++++++++- arch/arm/plat-s3c/Kconfig | 11 ++++ 2 files changed, 82 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-s3c6400/include/mach/gpio.h b/arch/arm/mach-s3c6400/include/mach/gpio.h index 8b4254a23d9a..8600c818a46f 100644 --- a/arch/arm/mach-s3c6400/include/mach/gpio.h +++ b/arch/arm/mach-s3c6400/include/mach/gpio.h @@ -17,6 +17,76 @@ #define gpio_cansleep __gpio_cansleep #define gpio_to_irq __gpio_to_irq -#define ARCH_NR_GPIOS 188 +/* GPIO bank sizes */ +#define S3C64XX_GPIO_A_NR (8) +#define S3C64XX_GPIO_B_NR (7) +#define S3C64XX_GPIO_C_NR (8) +#define S3C64XX_GPIO_D_NR (5) +#define S3C64XX_GPIO_E_NR (5) +#define S3C64XX_GPIO_F_NR (16) +#define S3C64XX_GPIO_G_NR (7) +#define S3C64XX_GPIO_H_NR (10) +#define S3C64XX_GPIO_I_NR (16) +#define S3C64XX_GPIO_J_NR (12) +#define S3C64XX_GPIO_K_NR (16) +#define S3C64XX_GPIO_L_NR (15) +#define S3C64XX_GPIO_M_NR (6) +#define S3C64XX_GPIO_N_NR (16) +#define S3C64XX_GPIO_O_NR (16) +#define S3C64XX_GPIO_P_NR (15) +#define S3C64XX_GPIO_Q_NR (9) + +/* GPIO bank numbes */ + +/* CONFIG_S3C_GPIO_SPACE allows the user to select extra + * space for debugging purposes so that any accidental + * change from one gpio bank to another can be caught. +*/ + +#define S3C64XX_GPIO_NEXT(__gpio) \ + ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1) + +enum s3c_gpio_number { + S3C64XX_GPIO_A_START = 0, + S3C64XX_GPIO_B_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_A), + S3C64XX_GPIO_C_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_B), + S3C64XX_GPIO_D_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_C), + S3C64XX_GPIO_E_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_D), + S3C64XX_GPIO_F_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_E), + S3C64XX_GPIO_G_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_F), + S3C64XX_GPIO_H_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_G), + S3C64XX_GPIO_I_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_H), + S3C64XX_GPIO_J_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_I), + S3C64XX_GPIO_K_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_J), + S3C64XX_GPIO_L_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_K), + S3C64XX_GPIO_M_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_L), + S3C64XX_GPIO_N_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_M), + S3C64XX_GPIO_O_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_N), + S3C64XX_GPIO_P_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_O), + S3C64XX_GPIO_Q_START = S3C64XX_GPIO_NEXT(S3C64XX_GPIO_P), +}; + +/* S3C64XX GPIO number definitions. */ + +#define S3C64XX_GPA(_nr) (S3C64XX_GPIO_A_START + (_nr)) +#define S3C64XX_GPB(_nr) (S3C64XX_GPIO_B_START + (_nr)) +#define S3C64XX_GPC(_nr) (S3C64XX_GPIO_C_START + (_nr)) +#define S3C64XX_GPD(_nr) (S3C64XX_GPIO_D_START + (_nr)) +#define S3C64XX_GPE(_nr) (S3C64XX_GPIO_E_START + (_nr)) +#define S3C64XX_GPF(_nr) (S3C64XX_GPIO_F_START + (_nr)) +#define S3C64XX_GPG(_nr) (S3C64XX_GPIO_G_START + (_nr)) +#define S3C64XX_GPH(_nr) (S3C64XX_GPIO_H_START + (_nr)) +#define S3C64XX_GPI(_nr) (S3C64XX_GPIO_I_START + (_nr)) +#define S3C64XX_GPJ(_nr) (S3C64XX_GPIO_J_START + (_nr)) +#define S3C64XX_GPK(_nr) (S3C64XX_GPIO_K_START + (_nr)) +#define S3C64XX_GPL(_nr) (S3C64XX_GPIO_L_START + (_nr)) +#define S3C64XX_GPM(_nr) (S3C64XX_GPIO_M_START + (_nr)) +#define S3C64XX_GPN(_nr) (S3C64XX_GPIO_N_START + (_nr)) +#define S3C64XX_GPO(_nr) (S3C64XX_GPIO_O_START + (_nr)) +#define S3C64XX_GPP(_nr) (S3C64XX_GPIO_P_START + (_nr)) +#define S3C64XX_GPQ(_nr) (S3C64XX_GPIO_Q_START + (_nr)) + +/* define the number of gpios we need to the one after the GPQ() range */ +#define ARCH_NR_GPIOS (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1) #include diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig index 0deb1054975f..d7767e0305d0 100644 --- a/arch/arm/plat-s3c/Kconfig +++ b/arch/arm/plat-s3c/Kconfig @@ -103,6 +103,17 @@ config S3C_LOWLEVEL_UART_PORT this configuration should be between zero and two. The port must have been initialised by the boot-loader before use. +# options for gpiolib support + +config S3C_GPIO_SPACE + int "Space between gpio banks" + default 0 + help + Add a number of spare GPIO entries between each bank for debugging + purposes. This allows any problems where an counter overflows from + one bank to another to be caught, at the expense of using a little + more memory. + # device definitions to compile in config S3C_DEV_HSMMC From 7db6c82a37beabef7b76d232e3d20efacd74bd3a Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:31 +0000 Subject: [PATCH 04/31] [ARM] S3C: Move common GPIO code from plat-s3c24xx Move the common parts of the GPIO code into plat-s3c for use with both the s3c24xx and s3c64xx systems. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6400/include/mach/gpio.h | 4 + arch/arm/plat-s3c/Makefile | 1 + arch/arm/plat-s3c/gpio.c | 128 +++++++++++++++++++++ arch/arm/plat-s3c/include/plat/gpio-core.h | 49 ++++++++ arch/arm/plat-s3c24xx/gpiolib.c | 123 +------------------- 5 files changed, 187 insertions(+), 118 deletions(-) create mode 100644 arch/arm/plat-s3c/gpio.c create mode 100644 arch/arm/plat-s3c/include/plat/gpio-core.h diff --git a/arch/arm/mach-s3c6400/include/mach/gpio.h b/arch/arm/mach-s3c6400/include/mach/gpio.h index 8600c818a46f..e8e35e8fe731 100644 --- a/arch/arm/mach-s3c6400/include/mach/gpio.h +++ b/arch/arm/mach-s3c6400/include/mach/gpio.h @@ -86,6 +86,10 @@ enum s3c_gpio_number { #define S3C64XX_GPP(_nr) (S3C64XX_GPIO_P_START + (_nr)) #define S3C64XX_GPQ(_nr) (S3C64XX_GPIO_Q_START + (_nr)) +/* the end of the S3C64XX specific gpios */ +#define S3C64XX_GPIO_END (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1) +#define S3C_GPIO_END S3C64XX_GPIO_END + /* define the number of gpios we need to the one after the GPQ() range */ #define ARCH_NR_GPIOS (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1) diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile index b95a9c106467..4d0299aef7ca 100644 --- a/arch/arm/plat-s3c/Makefile +++ b/arch/arm/plat-s3c/Makefile @@ -15,6 +15,7 @@ obj-y += init.o obj-y += time.o obj-y += clock.o obj-y += pwm-clock.o +obj-y += gpio.o # devices diff --git a/arch/arm/plat-s3c/gpio.c b/arch/arm/plat-s3c/gpio.c new file mode 100644 index 000000000000..f035d4550c43 --- /dev/null +++ b/arch/arm/plat-s3c/gpio.c @@ -0,0 +1,128 @@ +/* linux/arch/arm/plat-s3c/gpio.c + * + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C series GPIO core + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include +#include + +#include + +/* Default routines for controlling GPIO, based on the original S3C24XX + * GPIO functions which deal with the case where each gpio bank of the + * chip is as following: + * + * base + 0x00: Control register, 2 bits per gpio + * gpio n: 2 bits starting at (2*n) + * 00 = input, 01 = output, others mean special-function + * base + 0x04: Data register, 1 bit per gpio + * bit n: data bit n +*/ + +static int s3c_gpiolib_input(struct gpio_chip *chip, unsigned offset) +{ + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long flags; + unsigned long con; + + local_irq_save(flags); + + con = __raw_readl(base + 0x00); + con &= ~(3 << (offset * 2)); + + __raw_writel(con, base + 0x00); + + local_irq_restore(flags); + return 0; +} + +static int s3c_gpiolib_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long flags; + unsigned long dat; + unsigned long con; + + local_irq_save(flags); + + dat = __raw_readl(base + 0x04); + dat &= ~(1 << offset); + if (value) + dat |= 1 << offset; + __raw_writel(dat, base + 0x04); + + con = __raw_readl(base + 0x00); + con &= ~(3 << (offset * 2)); + con |= 1 << (offset * 2); + + __raw_writel(con, base + 0x00); + __raw_writel(dat, base + 0x04); + + local_irq_restore(flags); + return 0; +} + +static void s3c_gpiolib_set(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long flags; + unsigned long dat; + + local_irq_save(flags); + + dat = __raw_readl(base + 0x04); + dat &= ~(1 << offset); + if (value) + dat |= 1 << offset; + __raw_writel(dat, base + 0x04); + + local_irq_restore(flags); +} + +static int s3c_gpiolib_get(struct gpio_chip *chip, unsigned offset) +{ + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); + unsigned long val; + + val = __raw_readl(ourchip->base + 0x04); + val >>= offset; + val &= 1; + + return val; +} + +__init void s3c_gpiolib_add(struct s3c_gpio_chip *chip) +{ + struct gpio_chip *gc = &chip->chip; + + BUG_ON(!chip->base); + BUG_ON(!gc->label); + BUG_ON(!gc->ngpio); + + if (!gc->direction_input) + gc->direction_input = s3c_gpiolib_input; + if (!gc->direction_output) + gc->direction_output = s3c_gpiolib_output; + if (!gc->set) + gc->set = s3c_gpiolib_set; + if (!gc->get) + gc->get = s3c_gpiolib_get; + + /* gpiochip_add() prints own failure message on error. */ + gpiochip_add(gc); +} diff --git a/arch/arm/plat-s3c/include/plat/gpio-core.h b/arch/arm/plat-s3c/include/plat/gpio-core.h new file mode 100644 index 000000000000..3cb9105c4811 --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/gpio-core.h @@ -0,0 +1,49 @@ +/* linux/arch/arm/plat-s3c/include/plat/gpio-core.h + * + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C Platform - GPIO core + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* Define the core gpiolib support functions that the s3c platforms may + * need to extend or change depending on the hardware and the s3c chip + * selected at build or found at run time. + * + * These definitions are not intended for driver inclusion, there is + * nothing here that should not live outside the platform and core + * specific code. +*/ + +/** + * struct s3c_gpio_chip - wrapper for specific implementation of gpio + * @chip: The chip structure to be exported via gpiolib. + * @base: The base pointer to the gpio configuration registers. + * + * This wrapper provides the necessary information for the Samsung + * specific gpios being registered with gpiolib. + */ +struct s3c_gpio_chip { + struct gpio_chip chip; + void __iomem *base; +}; + +static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc) +{ + return container_of(gpc, struct s3c_gpio_chip, chip); +} + +/** s3c_gpiolib_add() - add the s3c specific version of a gpio_chip. + * @chip: The chip to register + * + * This is a wrapper to gpiochip_add() that takes our specific gpio chip + * information and makes the necessary alterations for the platform and + * notes the information for use with the configuration systems and any + * other parts of the system. + */ +extern void s3c_gpiolib_add(struct s3c_gpio_chip *chip); diff --git a/arch/arm/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c index b07c2d0dd533..9785a8fb4809 100644 --- a/arch/arm/plat-s3c24xx/gpiolib.c +++ b/arch/arm/plat-s3c24xx/gpiolib.c @@ -19,104 +19,12 @@ #include #include +#include #include #include #include -struct s3c24xx_gpio_chip { - struct gpio_chip chip; - void __iomem *base; -}; - -static inline struct s3c24xx_gpio_chip *to_s3c_chip(struct gpio_chip *gpc) -{ - return container_of(gpc, struct s3c24xx_gpio_chip, chip); -} - -/* these routines are exported for use by other parts of the platform - * and system support, but are not intended to be used directly by the - * drivers themsevles. - */ - -static int s3c24xx_gpiolib_input(struct gpio_chip *chip, unsigned offset) -{ - struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long con; - - local_irq_save(flags); - - con = __raw_readl(base + 0x00); - con &= ~(3 << (offset * 2)); - con |= (S3C2410_GPIO_OUTPUT & 0xf) << (offset * 2); - - __raw_writel(con, base + 0x00); - - local_irq_restore(flags); - return 0; -} - -static int s3c24xx_gpiolib_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long dat; - unsigned long con; - - local_irq_save(flags); - - dat = __raw_readl(base + 0x04); - dat &= ~(1 << offset); - if (value) - dat |= 1 << offset; - __raw_writel(dat, base + 0x04); - - con = __raw_readl(base + 0x00); - con &= ~(3 << (offset * 2)); - con |= (S3C2410_GPIO_OUTPUT & 0xf) << (offset * 2); - - __raw_writel(con, base + 0x00); - __raw_writel(dat, base + 0x04); - - local_irq_restore(flags); - return 0; -} - -static void s3c24xx_gpiolib_set(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long dat; - - local_irq_save(flags); - - dat = __raw_readl(base + 0x04); - dat &= ~(1 << offset); - if (value) - dat |= 1 << offset; - __raw_writel(dat, base + 0x04); - - local_irq_restore(flags); -} - -static int s3c24xx_gpiolib_get(struct gpio_chip *chip, unsigned offset) -{ - struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip); - unsigned long val; - - val = __raw_readl(ourchip->base + 0x04); - val >>= offset; - val &= 1; - - return val; -} - static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset) { return -EINVAL; @@ -125,7 +33,7 @@ static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset) static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip, unsigned offset, int value) { - struct s3c24xx_gpio_chip *ourchip = to_s3c_chip(chip); + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); void __iomem *base = ourchip->base; unsigned long flags; unsigned long dat; @@ -151,7 +59,7 @@ static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip, return 0; } -static struct s3c24xx_gpio_chip gpios[] = { +static struct s3c_gpio_chip gpios[] = { [0] = { .base = S3C24XX_GPIO_BASE(S3C2410_GPA0), .chip = { @@ -219,34 +127,13 @@ static struct s3c24xx_gpio_chip gpios[] = { }, }; -static __init void s3c24xx_gpiolib_add(struct s3c24xx_gpio_chip *chip) -{ - struct gpio_chip *gc = &chip->chip; - - BUG_ON(!chip->base); - BUG_ON(!gc->label); - BUG_ON(!gc->ngpio); - - if (!gc->direction_input) - gc->direction_input = s3c24xx_gpiolib_input; - if (!gc->direction_output) - gc->direction_output = s3c24xx_gpiolib_output; - if (!gc->set) - gc->set = s3c24xx_gpiolib_set; - if (!gc->get) - gc->get = s3c24xx_gpiolib_get; - - /* gpiochip_add() prints own failure message on error. */ - gpiochip_add(gc); -} - static __init int s3c24xx_gpiolib_init(void) { - struct s3c24xx_gpio_chip *chip = gpios; + struct s3c_gpio_chip *chip = gpios; int gpn; for (gpn = 0; gpn < ARRAY_SIZE(gpios); gpn++, chip++) - s3c24xx_gpiolib_add(chip); + s3c_gpiolib_add(chip); return 0; } From 8a53bdb907cb924ed30f79bcfe7f4f15ff7de15e Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:32 +0000 Subject: [PATCH 05/31] [ARM] S3C: Add GPIO chip tracking The gpiolib driver keeps its chip array to itself and having a separate array for s3c-only gpios stops any non-s3c gpio being used in one of the s3c specific configuration calls. Signed-off-by: Ben Dooks --- arch/arm/plat-s3c/Kconfig | 6 ++++++ arch/arm/plat-s3c/gpio.c | 21 +++++++++++++++++++- arch/arm/plat-s3c/include/plat/gpio-core.h | 23 ++++++++++++++++++++++ arch/arm/plat-s3c64xx/Kconfig | 1 + 4 files changed, 50 insertions(+), 1 deletion(-) diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig index d7767e0305d0..77fc38f51874 100644 --- a/arch/arm/plat-s3c/Kconfig +++ b/arch/arm/plat-s3c/Kconfig @@ -114,6 +114,12 @@ config S3C_GPIO_SPACE one bank to another to be caught, at the expense of using a little more memory. +config S3C_GPIO_TRACK + bool + help + Internal configuration option to enable the s3c specific gpio + chip tracking if the platform requires it. + # device definitions to compile in config S3C_DEV_HSMMC diff --git a/arch/arm/plat-s3c/gpio.c b/arch/arm/plat-s3c/gpio.c index f035d4550c43..d71dd6d9ce5c 100644 --- a/arch/arm/plat-s3c/gpio.c +++ b/arch/arm/plat-s3c/gpio.c @@ -18,6 +18,22 @@ #include +#ifdef CONFIG_S3C_GPIO_TRACK +struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END]; + +static __init void s3c_gpiolib_track(struct s3c_gpio_chip *chip) +{ + unsigned int gpn; + int i; + + gpn = chip->chip.base; + for (i = 0; i < chip->chip.ngpio; i++, gpn++) { + BUG_ON(gpn > ARRAY_SIZE(s3c_gpios)); + s3c_gpios[gpn] = chip; + } +} +#endif /* CONFIG_S3C_GPIO_TRACK */ + /* Default routines for controlling GPIO, based on the original S3C24XX * GPIO functions which deal with the case where each gpio bank of the * chip is as following: @@ -109,6 +125,7 @@ static int s3c_gpiolib_get(struct gpio_chip *chip, unsigned offset) __init void s3c_gpiolib_add(struct s3c_gpio_chip *chip) { struct gpio_chip *gc = &chip->chip; + int ret; BUG_ON(!chip->base); BUG_ON(!gc->label); @@ -124,5 +141,7 @@ __init void s3c_gpiolib_add(struct s3c_gpio_chip *chip) gc->get = s3c_gpiolib_get; /* gpiochip_add() prints own failure message on error. */ - gpiochip_add(gc); + ret = gpiochip_add(gc); + if (ret >= 0) + s3c_gpiolib_track(chip); } diff --git a/arch/arm/plat-s3c/include/plat/gpio-core.h b/arch/arm/plat-s3c/include/plat/gpio-core.h index 3cb9105c4811..ad68b32a7f9d 100644 --- a/arch/arm/plat-s3c/include/plat/gpio-core.h +++ b/arch/arm/plat-s3c/include/plat/gpio-core.h @@ -47,3 +47,26 @@ static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc) * other parts of the system. */ extern void s3c_gpiolib_add(struct s3c_gpio_chip *chip); + + +/* CONFIG_S3C_GPIO_TRACK enables the tracking of the s3c specific gpios + * for use with the configuration calls, and other parts of the s3c gpiolib + * support code. + * + * Not all s3c support code will need this, as some configurations of cpu + * may only support one or two different configuration options and have an + * easy gpio to s3c_gpio_chip mapping function. If this is the case, then + * the machine support file should provide its own s3c_gpiolib_getchip() + * and any other necessary functions. + */ + +#ifdef CONFIG_S3C_GPIO_TRACK +extern struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END]; + +static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int chip) +{ + return s3c_gpios[chip]; +} +#else +static inline void s3c_gpiolib_track(struct s3c_gpio_chip *chip) { } +#endif diff --git a/arch/arm/plat-s3c64xx/Kconfig b/arch/arm/plat-s3c64xx/Kconfig index bd832ba0cf77..3df2ec19d08a 100644 --- a/arch/arm/plat-s3c64xx/Kconfig +++ b/arch/arm/plat-s3c64xx/Kconfig @@ -14,6 +14,7 @@ config PLAT_S3C64XX default y select NO_IOPORT select ARCH_REQUIRE_GPIOLIB + select S3C_GPIO_TRACK help Base platform code for any Samsung S3C64XX device From 89d043c3db22c37523165905708d2fa8062fda86 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:33 +0000 Subject: [PATCH 06/31] [ARM] S3C64XX: GPIO library support Add gpiolib registration for the GPIOs available on the S3C64XX platform Signed-off-by: Ben Dooks --- arch/arm/plat-s3c64xx/Makefile | 1 + arch/arm/plat-s3c64xx/gpiolib.c | 347 ++++++++++++++++++ .../arm/plat-s3c64xx/include/plat/regs-gpio.h | 35 ++ 3 files changed, 383 insertions(+) create mode 100644 arch/arm/plat-s3c64xx/gpiolib.c create mode 100644 arch/arm/plat-s3c64xx/include/plat/regs-gpio.h diff --git a/arch/arm/plat-s3c64xx/Makefile b/arch/arm/plat-s3c64xx/Makefile index 9c09b0819805..a5b7c388351e 100644 --- a/arch/arm/plat-s3c64xx/Makefile +++ b/arch/arm/plat-s3c64xx/Makefile @@ -17,6 +17,7 @@ obj-y += cpu.o obj-y += irq.o obj-y += irq-eint.o obj-y += clock.o +obj-y += gpiolib.o # CPU support diff --git a/arch/arm/plat-s3c64xx/gpiolib.c b/arch/arm/plat-s3c64xx/gpiolib.c new file mode 100644 index 000000000000..28ba23502bce --- /dev/null +++ b/arch/arm/plat-s3c64xx/gpiolib.c @@ -0,0 +1,347 @@ +/* arch/arm/plat-s3c64xx/gpiolib.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - GPIOlib support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include + +#include +#include + +#include +#include + +/* GPIO bank summary: + * + * Bank GPIOs Style SlpCon ExtInt Group + * A 8 4Bit Yes 1 + * B 7 4Bit Yes 1 + * C 8 4Bit Yes 2 + * D 5 4Bit Yes 3 + * E 5 4Bit Yes None + * F 16 2Bit Yes 4 [1] + * G 7 4Bit Yes 5 + * H 10 4Bit[2] Yes 6 + * I 16 2Bit Yes None + * J 12 2Bit Yes None + * K 16 4Bit[2] No None + * L 15 4Bit[2] No None + * M 6 4Bit No IRQ_EINT + * N 16 2Bit No IRQ_EINT + * O 16 2Bit Yes 7 + * P 15 2Bit Yes 8 + * Q 9 2Bit Yes 9 + * + * [1] BANKF pins 14,15 do not form part of the external interrupt sources + * [2] BANK has two control registers, GPxCON0 and GPxCON1 + */ + +#define OFF_GPCON (0x00) +#define OFF_GPDAT (0x04) + +#define con_4bit_shift(__off) ((__off) * 4) + +/* The s3c64xx_gpiolib_4bit routines are to control the gpio banks where + * the gpio configuration register (GPxCON) has 4 bits per GPIO, as the + * following example: + * + * base + 0x00: Control register, 4 bits per gpio + * gpio n: 4 bits starting at (4*n) + * 0000 = input, 0001 = output, others mean special-function + * base + 0x04: Data register, 1 bit per gpio + * bit n: data bit n + * + * Note, since the data register is one bit per gpio and is at base + 0x4 + * we can use s3c_gpiolib_get and s3c_gpiolib_set to change the state of + * the output. +*/ + +static int s3c64xx_gpiolib_4bit_input(struct gpio_chip *chip, unsigned offset) +{ + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long con; + + con = __raw_readl(base + OFF_GPCON); + con &= ~(0xf << con_4bit_shift(offset)); + __raw_writel(con, base + OFF_GPCON); + + return 0; +} + +static int s3c64xx_gpiolib_4bit_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long con; + unsigned long dat; + + con = __raw_readl(base + OFF_GPCON); + con &= ~(0xf << con_4bit_shift(offset)); + con |= 0x1 << con_4bit_shift(offset); + + dat = __raw_readl(base + OFF_GPDAT); + if (value) + dat |= 1 << offset; + else + dat &= ~(1 << offset); + + __raw_writel(dat, base + OFF_GPDAT); + __raw_writel(con, base + OFF_GPCON); + __raw_writel(dat, base + OFF_GPDAT); + + return 0; +} + +/* The next set of routines are for the case where the GPIO configuration + * registers are 4 bits per GPIO but there is more than one register (the + * bank has more than 8 GPIOs. + * + * This case is the similar to the 4 bit case, but the registers are as + * follows: + * + * base + 0x00: Control register, 4 bits per gpio (lower 8 GPIOs) + * gpio n: 4 bits starting at (4*n) + * 0000 = input, 0001 = output, others mean special-function + * base + 0x04: Control register, 4 bits per gpio (up to 8 additions GPIOs) + * gpio n: 4 bits starting at (4*n) + * 0000 = input, 0001 = output, others mean special-function + * base + 0x08: Data register, 1 bit per gpio + * bit n: data bit n + * + * To allow us to use the s3c_gpiolib_get and s3c_gpiolib_set routines we + * store the 'base + 0x4' address so that these routines see the data + * register at ourchip->base + 0x04. +*/ + +static int s3c64xx_gpiolib_4bit2_input(struct gpio_chip *chip, unsigned offset) +{ + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); + void __iomem *base = ourchip->base; + void __iomem *regcon = base; + unsigned long con; + + if (offset > 7) + offset -= 8; + else + regcon -= 4; + + con = __raw_readl(regcon); + con &= ~(0xf << con_4bit_shift(offset)); + __raw_writel(con, regcon); + + return 0; + +} + +static int s3c64xx_gpiolib_4bit2_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); + void __iomem *base = ourchip->base; + void __iomem *regcon = base; + unsigned long con; + unsigned long dat; + + if (offset > 7) + offset -= 8; + else + regcon -= 4; + + con = __raw_readl(regcon); + con &= ~(0xf << con_4bit_shift(offset)); + con |= 0x1 << con_4bit_shift(offset); + + dat = __raw_readl(base + OFF_GPDAT); + if (value) + dat |= 1 << offset; + else + dat &= ~(1 << offset); + + __raw_writel(dat, base + OFF_GPDAT); + __raw_writel(con, regcon); + __raw_writel(dat, base + OFF_GPDAT); + + return 0; +} + +static struct s3c_gpio_chip gpio_4bit[] = { + { + .base = S3C64XX_GPA_BASE, + .chip = { + .base = S3C64XX_GPA(0), + .ngpio = S3C64XX_GPIO_A_NR, + .label = "GPA", + }, + }, { + .base = S3C64XX_GPB_BASE, + .chip = { + .base = S3C64XX_GPB(0), + .ngpio = S3C64XX_GPIO_B_NR, + .label = "GPB", + }, + }, { + .base = S3C64XX_GPC_BASE, + .chip = { + .base = S3C64XX_GPC(0), + .ngpio = S3C64XX_GPIO_C_NR, + .label = "GPC", + }, + }, { + .base = S3C64XX_GPD_BASE, + .chip = { + .base = S3C64XX_GPD(0), + .ngpio = S3C64XX_GPIO_D_NR, + .label = "GPD", + }, + }, { + .base = S3C64XX_GPE_BASE, + .chip = { + .base = S3C64XX_GPE(0), + .ngpio = S3C64XX_GPIO_E_NR, + .label = "GPE", + }, + }, { + .base = S3C64XX_GPG_BASE, + .chip = { + .base = S3C64XX_GPG(0), + .ngpio = S3C64XX_GPIO_G_NR, + .label = "GPG", + }, + }, { + .base = S3C64XX_GPM_BASE, + .chip = { + .base = S3C64XX_GPM(0), + .ngpio = S3C64XX_GPIO_M_NR, + .label = "GPM", + }, + }, +}; + +static struct s3c_gpio_chip gpio_4bit2[] = { + { + .base = S3C64XX_GPH_BASE + 0x4, + .chip = { + .base = S3C64XX_GPH(0), + .ngpio = S3C64XX_GPIO_H_NR, + .label = "GPH", + }, + }, { + .base = S3C64XX_GPK_BASE + 0x4, + .chip = { + .base = S3C64XX_GPK(0), + .ngpio = S3C64XX_GPIO_K_NR, + .label = "GPK", + }, + }, { + .base = S3C64XX_GPL_BASE + 0x4, + .chip = { + .base = S3C64XX_GPL(0), + .ngpio = S3C64XX_GPIO_L_NR, + .label = "GPL", + }, + }, +}; + +static struct s3c_gpio_chip gpio_2bit[] = { + { + .base = S3C64XX_GPF_BASE, + .chip = { + .base = S3C64XX_GPF(0), + .ngpio = S3C64XX_GPIO_F_NR, + .label = "GPF", + }, + }, { + .base = S3C64XX_GPI_BASE, + .chip = { + .base = S3C64XX_GPI(0), + .ngpio = S3C64XX_GPIO_I_NR, + .label = "GPI", + }, + }, { + .base = S3C64XX_GPJ_BASE, + .chip = { + .base = S3C64XX_GPJ(0), + .ngpio = S3C64XX_GPIO_J_NR, + .label = "GPJ", + }, + }, { + .base = S3C64XX_GPN_BASE, + .chip = { + .base = S3C64XX_GPN(0), + .ngpio = S3C64XX_GPIO_N_NR, + .label = "GPN", + }, + }, { + .base = S3C64XX_GPO_BASE, + .chip = { + .base = S3C64XX_GPO(0), + .ngpio = S3C64XX_GPIO_O_NR, + .label = "GPO", + }, + }, { + .base = S3C64XX_GPP_BASE, + .chip = { + .base = S3C64XX_GPP(0), + .ngpio = S3C64XX_GPIO_P_NR, + .label = "GPP", + }, + }, { + .base = S3C64XX_GPQ_BASE, + .chip = { + .base = S3C64XX_GPQ(0), + .ngpio = S3C64XX_GPIO_Q_NR, + .label = "GPQ", + }, + }, +}; + +static __init void s3c64xx_gpiolib_add_4bit(struct s3c_gpio_chip *chip) +{ + chip->chip.direction_input = s3c64xx_gpiolib_4bit_input; + chip->chip.direction_output = s3c64xx_gpiolib_4bit_output; +} + +static __init void s3c64xx_gpiolib_add_4bit2(struct s3c_gpio_chip *chip) +{ + chip->chip.direction_input = s3c64xx_gpiolib_4bit2_input; + chip->chip.direction_output = s3c64xx_gpiolib_4bit2_output; +} + +static __init void s3c64xx_gpiolib_add(struct s3c_gpio_chip *chips, + int nr_chips, + void (*fn)(struct s3c_gpio_chip *)) +{ + for (; nr_chips > 0; nr_chips--, chips++) { + if (fn) + (fn)(chips); + s3c_gpiolib_add(chips); + } +} + +static __init int s3c64xx_gpiolib_init(void) +{ + s3c64xx_gpiolib_add(gpio_4bit, ARRAY_SIZE(gpio_4bit), + s3c64xx_gpiolib_add_4bit); + + s3c64xx_gpiolib_add(gpio_4bit2, ARRAY_SIZE(gpio_4bit2), + s3c64xx_gpiolib_add_4bit2); + + s3c64xx_gpiolib_add(gpio_2bit, ARRAY_SIZE(gpio_2bit), NULL); + + return 0; +} + +arch_initcall(s3c64xx_gpiolib_init); diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-gpio.h b/arch/arm/plat-s3c64xx/include/plat/regs-gpio.h new file mode 100644 index 000000000000..75b873d82808 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/regs-gpio.h @@ -0,0 +1,35 @@ +/* linux/arch/arm/plat-s3c64xx/include/mach/regs-gpio.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - GPIO register definitions + */ + +#ifndef __ASM_PLAT_S3C64XX_REGS_GPIO_H +#define __ASM_PLAT_S3C64XX_REGS_GPIO_H __FILE__ + +/* Base addresses for each of the banks */ + +#define S3C64XX_GPA_BASE (S3C64XX_VA_GPIO + 0x0000) +#define S3C64XX_GPB_BASE (S3C64XX_VA_GPIO + 0x0020) +#define S3C64XX_GPC_BASE (S3C64XX_VA_GPIO + 0x0040) +#define S3C64XX_GPD_BASE (S3C64XX_VA_GPIO + 0x0060) +#define S3C64XX_GPE_BASE (S3C64XX_VA_GPIO + 0x0080) +#define S3C64XX_GPF_BASE (S3C64XX_VA_GPIO + 0x00A0) +#define S3C64XX_GPG_BASE (S3C64XX_VA_GPIO + 0x00C0) +#define S3C64XX_GPH_BASE (S3C64XX_VA_GPIO + 0x00E0) +#define S3C64XX_GPI_BASE (S3C64XX_VA_GPIO + 0x0100) +#define S3C64XX_GPJ_BASE (S3C64XX_VA_GPIO + 0x0120) +#define S3C64XX_GPK_BASE (S3C64XX_VA_GPIO + 0x0800) +#define S3C64XX_GPL_BASE (S3C64XX_VA_GPIO + 0x0810) +#define S3C64XX_GPM_BASE (S3C64XX_VA_GPIO + 0x0820) +#define S3C64XX_GPN_BASE (S3C64XX_VA_GPIO + 0x0830) +#define S3C64XX_GPO_BASE (S3C64XX_VA_GPIO + 0x0140) +#define S3C64XX_GPP_BASE (S3C64XX_VA_GPIO + 0x0160) +#define S3C64XX_GPQ_BASE (S3C64XX_VA_GPIO + 0x0180) + +#endif /* __ASM_PLAT_S3C64XX_REGS_GPIO_H */ + From 21b23664b9354c5449841e401efb9ad523fb898b Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:34 +0000 Subject: [PATCH 07/31] [ARM] S3C: Add new GPIO configuration calls Add new GPIO configuration calls that mesh with the new gpiolib support. Signed-off-by: Ben Dooks --- .../arm/mach-s3c2410/include/mach/gpio-core.h | 34 ++++ .../arm/mach-s3c6400/include/mach/gpio-core.h | 21 +++ arch/arm/plat-s3c/Kconfig | 27 +++ arch/arm/plat-s3c/Makefile | 1 + arch/arm/plat-s3c/gpio-config.c | 163 ++++++++++++++++ .../plat-s3c/include/plat/gpio-cfg-helpers.h | 176 ++++++++++++++++++ arch/arm/plat-s3c/include/plat/gpio-cfg.h | 110 +++++++++++ arch/arm/plat-s3c/include/plat/gpio-core.h | 9 +- arch/arm/plat-s3c24xx/gpiolib.c | 6 +- arch/arm/plat-s3c64xx/Kconfig | 3 + arch/arm/plat-s3c64xx/gpiolib.c | 75 +++++++- 11 files changed, 619 insertions(+), 6 deletions(-) create mode 100644 arch/arm/mach-s3c2410/include/mach/gpio-core.h create mode 100644 arch/arm/mach-s3c6400/include/mach/gpio-core.h create mode 100644 arch/arm/plat-s3c/gpio-config.c create mode 100644 arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h create mode 100644 arch/arm/plat-s3c/include/plat/gpio-cfg.h diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-core.h b/arch/arm/mach-s3c2410/include/mach/gpio-core.h new file mode 100644 index 000000000000..6c9fbb99ef14 --- /dev/null +++ b/arch/arm/mach-s3c2410/include/mach/gpio-core.h @@ -0,0 +1,34 @@ +/* arch/arm/mach-s3c24100/include/mach/gpio-core.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C2410 - GPIO core support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_GPIO_CORE_H +#define __ASM_ARCH_GPIO_CORE_H __FILE__ + +#include +#include + +extern struct s3c_gpio_chip s3c24xx_gpios[]; + +static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int pin) +{ + struct s3c_gpio_chip *chip; + + if (pin > S3C2410_GPG10) + return NULL; + + chip = &s3c24xx_gpios[pin/32]; + return (S3C2410_GPIO_OFFSET(pin) > chip->chip.ngpio) ? chip : NULL; +} + +#endif /* __ASM_ARCH_GPIO_CORE_H */ diff --git a/arch/arm/mach-s3c6400/include/mach/gpio-core.h b/arch/arm/mach-s3c6400/include/mach/gpio-core.h new file mode 100644 index 000000000000..d89aae68b0a5 --- /dev/null +++ b/arch/arm/mach-s3c6400/include/mach/gpio-core.h @@ -0,0 +1,21 @@ +/* arch/arm/mach-s3c6400/include/mach/gpio-core.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - GPIO core support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_GPIO_CORE_H +#define __ASM_ARCH_GPIO_CORE_H __FILE__ + +/* currently we just include the platform support */ +#include + +#endif /* __ASM_ARCH_GPIO_CORE_H */ diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig index 77fc38f51874..45e62cba595c 100644 --- a/arch/arm/plat-s3c/Kconfig +++ b/arch/arm/plat-s3c/Kconfig @@ -120,6 +120,33 @@ config S3C_GPIO_TRACK Internal configuration option to enable the s3c specific gpio chip tracking if the platform requires it. +config S3C_GPIO_PULL_UPDOWN + bool + help + Internal configuration to enable the correct GPIO pull helper + +config S3C_GPIO_PULL_DOWN + bool + help + Internal configuration to enable the correct GPIO pull helper + +config S3C_GPIO_PULL_UP + bool + help + Internal configuration to enable the correct GPIO pull helper + +config S3C_GPIO_CFG_S3C24XX + bool + help + Internal configuration to enable S3C24XX style GPIO configuration + functions. + +config S3C_GPIO_CFG_S3C64XX + bool + help + Internal configuration to enable S3C64XX style GPIO configuration + functions. + # device definitions to compile in config S3C_DEV_HSMMC diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile index 4d0299aef7ca..68a3451a2d9d 100644 --- a/arch/arm/plat-s3c/Makefile +++ b/arch/arm/plat-s3c/Makefile @@ -16,6 +16,7 @@ obj-y += time.o obj-y += clock.o obj-y += pwm-clock.o obj-y += gpio.o +obj-y += gpio-config.o # devices diff --git a/arch/arm/plat-s3c/gpio-config.c b/arch/arm/plat-s3c/gpio-config.c new file mode 100644 index 000000000000..7642b975a998 --- /dev/null +++ b/arch/arm/plat-s3c/gpio-config.c @@ -0,0 +1,163 @@ +/* linux/arch/arm/plat-s3c/gpio-config.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C series GPIO configuration core + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include + +#include +#include +#include + +int s3c_gpio_cfgpin(unsigned int pin, unsigned int config) +{ + struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); + unsigned long flags; + int offset; + int ret; + + if (!chip) + return -EINVAL; + + offset = pin - chip->chip.base; + + local_irq_save(flags); + ret = s3c_gpio_do_setcfg(chip, offset, config); + local_irq_restore(flags); + + return ret; +} + +int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull) +{ + struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); + unsigned long flags; + int offset, ret; + + if (!chip) + return -EINVAL; + + offset = pin - chip->chip.base; + + local_irq_save(flags); + ret = s3c_gpio_do_setpull(chip, offset, pull); + local_irq_restore(flags); + + return ret; +} + +#ifdef CONFIG_S3C_GPIO_CFG_S3C24XX +int s3c_gpio_setcfg_s3c24xx_banka(struct s3c_gpio_chip *chip, + unsigned int off, unsigned int cfg) +{ + void __iomem *reg = chip->base; + unsigned int shift = off; + u32 con; + + if (s3c_gpio_is_cfg_special(cfg)) { + cfg &= 0xf; + + /* Map output to 0, and SFN2 to 1 */ + cfg -= 1; + if (cfg > 1) + return -EINVAL; + + cfg <<= shift; + } + + con = __raw_readl(reg); + con &= ~(0x1 << shift); + con |= cfg; + __raw_writel(con, reg); + + return 0; +} + +int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip, + unsigned int off, unsigned int cfg) +{ + void __iomem *reg = chip->base; + unsigned int shift = off * 2; + u32 con; + + if (s3c_gpio_is_cfg_special(cfg)) { + cfg &= 0xf; + if (cfg > 3) + return -EINVAL; + + cfg <<= shift; + } + + con = __raw_readl(reg); + con &= ~(0x3 << shift); + con |= cfg; + __raw_writel(con, reg); + + return 0; +} +#endif + +#ifdef CONFIG_S3C_GPIO_CFG_S3C64XX +int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, + unsigned int off, unsigned int cfg) +{ + void __iomem *reg = chip->base; + unsigned int shift = (off & 7) * 4; + u32 con; + + if (off < 8 && chip->chip.ngpio >= 8) + reg -= 4; + + if (s3c_gpio_is_cfg_special(cfg)) { + cfg &= 0xf; + cfg <<= shift; + } + + con = __raw_readl(reg); + con &= ~(0xf << shift); + con |= cfg; + __raw_writel(con, reg); + + return 0; +} +#endif /* CONFIG_S3C_GPIO_CFG_S3C64XX */ + +#ifdef CONFIG_S3C_GPIO_PULL_UPDOWN +int s3c_gpio_setpull_updown(struct s3c_gpio_chip *chip, + unsigned int off, s3c_gpio_pull_t pull) +{ + void __iomem *reg = chip->base + 0x08; + int shift = off * 2; + u32 pup; + + pup = __raw_readl(reg); + pup &= ~(3 << shift); + pup |= pull << shift; + __raw_writel(pup, reg); + + return 0; +} + +s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip, + unsigned int off) +{ + void __iomem *reg = chip->base + 0x08; + int shift = off * 2; + u32 pup = __raw_readl(reg); + + pup >>= shift; + pup &= 0x3; + return (__force s3c_gpio_pull_t)pup; +} +#endif diff --git a/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h new file mode 100644 index 000000000000..652e2bbdaa20 --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h @@ -0,0 +1,176 @@ +/* linux/arch/arm/plat-s3c/include/plat/gpio-cfg-helper.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C Platform - GPIO pin configuration helper definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* This is meant for core cpu support, machine or other driver files + * should not be including this header. + */ + +#ifndef __PLAT_GPIO_CFG_HELPERS_H +#define __PLAT_GPIO_CFG_HELPERS_H __FILE__ + +/* As a note, all gpio configuration functions are entered exclusively, either + * with the relevant lock held or the system prevented from doing anything else + * by disabling interrupts. +*/ + +static inline int s3c_gpio_do_setcfg(struct s3c_gpio_chip *chip, + unsigned int off, unsigned int config) +{ + return (chip->config->set_config)(chip, off, config); +} + +static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip, + unsigned int off, s3c_gpio_pull_t pull) +{ + return (chip->config->set_pull)(chip, off, pull); +} + +/** + * s3c_gpio_setcfg_s3c24xx - S3C24XX style GPIO configuration. + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * @cfg: The configuration value to set. + * + * This helper deal with the GPIO cases where the control register + * has two bits of configuration per gpio, which have the following + * functions: + * 00 = input + * 01 = output + * 1x = special function +*/ +extern int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip, + unsigned int off, unsigned int cfg); + +/** + * s3c_gpio_setcfg_s3c24xx_a - S3C24XX style GPIO configuration (Bank A) + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * @cfg: The configuration value to set. + * + * This helper deal with the GPIO cases where the control register + * has one bit of configuration for the gpio, where setting the bit + * means the pin is in special function mode and unset means output. +*/ +extern int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip, + unsigned int off, unsigned int cfg); + +/** + * s3c_gpio_setcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config. + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * @cfg: The configuration value to set. + * + * This helper deal with the GPIO cases where the control register has 4 bits + * of control per GPIO, generally in the form of: + * 0000 = Input + * 0001 = Output + * others = Special functions (dependant on bank) + * + * Note, since the code to deal with the case where there are two control + * registers instead of one, we do not have a seperate set of functions for + * each case. +*/ +extern int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, + unsigned int off, unsigned int cfg); + + +/* Pull-{up,down} resistor controls. + * + * S3C2410,S3C2440,S3C24A0 = Pull-UP, + * S3C2412,S3C2413 = Pull-Down + * S3C6400,S3C6410 = Pull-Both [None,Down,Up,Undef] + * S3C2443 = Pull-Both [not same as S3C6400] + */ + +/** + * s3c_gpio_setpull_1up() - Pull configuration for choice of up or none. + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * @param: pull: The pull mode being requested. + * + * This is a helper function for the case where we have GPIOs with one + * bit configuring the presence of a pull-up resistor. + */ +extern int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip, + unsigned int off, s3c_gpio_pull_t pull); + +/** + * s3c_gpio_setpull_1down() - Pull configuration for choice of down or none + * @chip: The gpio chip that is being configured + * @off: The offset for the GPIO being configured + * @param: pull: The pull mode being requested + * + * This is a helper function for the case where we have GPIOs with one + * bit configuring the presence of a pull-down resistor. + */ +extern int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip, + unsigned int off, s3c_gpio_pull_t pull); + +/** + * s3c_gpio_setpull_upown() - Pull configuration for choice of up, down or none + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * @param: pull: The pull mode being requested. + * + * This is a helper function for the case where we have GPIOs with two + * bits configuring the presence of a pull resistor, in the following + * order: + * 00 = No pull resistor connected + * 01 = Pull-up resistor connected + * 10 = Pull-down resistor connected + */ +extern int s3c_gpio_setpull_updown(struct s3c_gpio_chip *chip, + unsigned int off, s3c_gpio_pull_t pull); + + +/** + * s3c_gpio_getpull_updown() - Get configuration for choice of up, down or none + * @chip: The gpio chip that the GPIO pin belongs to + * @off: The offset to the pin to get the configuration of. + * + * This helper function reads the state of the pull-{up,down} resistor for the + * given GPIO in the same case as s3c_gpio_setpull_upown. +*/ +extern s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip, + unsigned int off); + +/** + * s3c_gpio_setpull_s3c2443() - Pull configuration for s3c2443. + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * @param: pull: The pull mode being requested. + * + * This is a helper function for the case where we have GPIOs with two + * bits configuring the presence of a pull resistor, in the following + * order: + * 00 = Pull-up resistor connected + * 10 = Pull-down resistor connected + * x1 = No pull up resistor + */ +extern int s3c_gpio_setpull_s3c2443(struct s3c_gpio_chip *chip, + unsigned int off, s3c_gpio_pull_t pull); + +/** + * s3c_gpio_getpull_s3c2443() - Get configuration for s3c2443 pull resistors + * @chip: The gpio chip that the GPIO pin belongs to. + * @off: The offset to the pin to get the configuration of. + * + * This helper function reads the state of the pull-{up,down} resistor for the + * given GPIO in the same case as s3c_gpio_setpull_upown. +*/ +extern s3c_gpio_pull_t s3c_gpio_getpull_s3c24xx(struct s3c_gpio_chip *chip, + unsigned int off); + +#endif /* __PLAT_GPIO_CFG_HELPERS_H */ + diff --git a/arch/arm/plat-s3c/include/plat/gpio-cfg.h b/arch/arm/plat-s3c/include/plat/gpio-cfg.h new file mode 100644 index 000000000000..29cd6a86cade --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/gpio-cfg.h @@ -0,0 +1,110 @@ +/* linux/arch/arm/plat-s3c/include/plat/gpio-cfg.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C Platform - GPIO pin configuration + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* This file contains the necessary definitions to get the basic gpio + * pin configuration done such as setting a pin to input or output or + * changing the pull-{up,down} configurations. + */ + +/* Note, this interface is being added to the s3c64xx arch first and will + * be added to the s3c24xx systems later. + */ + +#ifndef __PLAT_GPIO_CFG_H +#define __PLAT_GPIO_CFG_H __FILE__ + +typedef unsigned int __bitwise__ s3c_gpio_pull_t; + +/* forward declaration if gpio-core.h hasn't been included */ +struct s3c_gpio_chip; + +/** + * struct s3c_gpio_cfg GPIO configuration + * @cfg_eint: Configuration setting when used for external interrupt source + * @get_pull: Read the current pull configuration for the GPIO + * @set_pull: Set the current pull configuraiton for the GPIO + * @set_config: Set the current configuration for the GPIO + * @get_config: Read the current configuration for the GPIO + * + * Each chip can have more than one type of GPIO bank available and some + * have different capabilites even when they have the same control register + * layouts. Provide an point to vector control routine and provide any + * per-bank configuration information that other systems such as the + * external interrupt code will need. + */ +struct s3c_gpio_cfg { + unsigned int cfg_eint; + + s3c_gpio_pull_t (*get_pull)(struct s3c_gpio_chip *chip, unsigned offs); + int (*set_pull)(struct s3c_gpio_chip *chip, unsigned offs, + s3c_gpio_pull_t pull); + + unsigned (*get_config)(struct s3c_gpio_chip *chip, unsigned offs); + int (*set_config)(struct s3c_gpio_chip *chip, unsigned offs, + unsigned config); +}; + +#define S3C_GPIO_SPECIAL_MARK (0xfffffff0) +#define S3C_GPIO_SPECIAL(x) (S3C_GPIO_SPECIAL_MARK | (x)) + +/* Defines for generic pin configurations */ +#define S3C_GPIO_INPUT (S3C_GPIO_SPECIAL(0)) +#define S3C_GPIO_OUTPUT (S3C_GPIO_SPECIAL(1)) +#define S3C_GPIO_SFN(x) (S3C_GPIO_SPECIAL(x)) + +#define s3c_gpio_is_cfg_special(_cfg) \ + (((_cfg) & S3C_GPIO_SPECIAL_MARK) == S3C_GPIO_SPECIAL_MARK) + +/** + * s3c_gpio_cfgpin() - Change the GPIO function of a pin. + * @pin pin The pin number to configure. + * @pin to The configuration for the pin's function. + * + * Configure which function is actually connected to the external + * pin, such as an gpio input, output or some form of special function + * connected to an internal peripheral block. + */ +extern int s3c_gpio_cfgpin(unsigned int pin, unsigned int to); + +/* Define values for the pull-{up,down} available for each gpio pin. + * + * These values control the state of the weak pull-{up,down} resistors + * available on most pins on the S3C series. Not all chips support both + * up or down settings, and it may be dependant on the chip that is being + * used to whether the particular mode is available. + */ +#define S3C_GPIO_PULL_NONE ((__force s3c_gpio_pull_t)0x00) +#define S3C_GPIO_PULL_DOWN ((__force s3c_gpio_pull_t)0x01) +#define S3C_GPIO_PULL_UP ((__force s3c_gpio_pull_t)0x02) + +/** + * s3c_gpio_setpull() - set the state of a gpio pin pull resistor + * @pin: The pin number to configure the pull resistor. + * @pull: The configuration for the pull resistor. + * + * This function sets the state of the pull-{up,down} resistor for the + * specified pin. It will return 0 if successfull, or a negative error + * code if the pin cannot support the requested pull setting. +*/ +extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull); + +/** + * s3c_gpio_getpull() - get the pull resistor state of a gpio pin + * @pin: The pin number to get the settings for + * + * Read the pull resistor value for the specified pin. +*/ +extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin); + +#endif /* __PLAT_GPIO_CFG_H */ diff --git a/arch/arm/plat-s3c/include/plat/gpio-core.h b/arch/arm/plat-s3c/include/plat/gpio-core.h index ad68b32a7f9d..2fc60a580ac8 100644 --- a/arch/arm/plat-s3c/include/plat/gpio-core.h +++ b/arch/arm/plat-s3c/include/plat/gpio-core.h @@ -20,16 +20,20 @@ * specific code. */ +struct s3c_gpio_cfg; + /** * struct s3c_gpio_chip - wrapper for specific implementation of gpio * @chip: The chip structure to be exported via gpiolib. * @base: The base pointer to the gpio configuration registers. + * @config: special function and pull-resistor control information. * * This wrapper provides the necessary information for the Samsung * specific gpios being registered with gpiolib. */ struct s3c_gpio_chip { struct gpio_chip chip; + struct s3c_gpio_cfg *config; void __iomem *base; }; @@ -48,7 +52,6 @@ static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc) */ extern void s3c_gpiolib_add(struct s3c_gpio_chip *chip); - /* CONFIG_S3C_GPIO_TRACK enables the tracking of the s3c specific gpios * for use with the configuration calls, and other parts of the s3c gpiolib * support code. @@ -65,8 +68,10 @@ extern struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END]; static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int chip) { - return s3c_gpios[chip]; + return (chip < S3C_GPIO_END) ? s3c_gpios[chip] : NULL; } #else +/* machine specific code should provide s3c_gpiolib_getchip */ + static inline void s3c_gpiolib_track(struct s3c_gpio_chip *chip) { } #endif diff --git a/arch/arm/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c index 9785a8fb4809..f95c6c9d9f1a 100644 --- a/arch/arm/plat-s3c24xx/gpiolib.c +++ b/arch/arm/plat-s3c24xx/gpiolib.c @@ -59,7 +59,7 @@ static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip, return 0; } -static struct s3c_gpio_chip gpios[] = { +struct s3c_gpio_chip s3c24xx_gpios[] = { [0] = { .base = S3C24XX_GPIO_BASE(S3C2410_GPA0), .chip = { @@ -129,10 +129,10 @@ static struct s3c_gpio_chip gpios[] = { static __init int s3c24xx_gpiolib_init(void) { - struct s3c_gpio_chip *chip = gpios; + struct s3c_gpio_chip *chip = s3c24xx_gpios; int gpn; - for (gpn = 0; gpn < ARRAY_SIZE(gpios); gpn++, chip++) + for (gpn = 0; gpn < ARRAY_SIZE(s3c24xx_gpios); gpn++, chip++) s3c_gpiolib_add(chip); return 0; diff --git a/arch/arm/plat-s3c64xx/Kconfig b/arch/arm/plat-s3c64xx/Kconfig index 3df2ec19d08a..842200abeb36 100644 --- a/arch/arm/plat-s3c64xx/Kconfig +++ b/arch/arm/plat-s3c64xx/Kconfig @@ -15,6 +15,9 @@ config PLAT_S3C64XX select NO_IOPORT select ARCH_REQUIRE_GPIOLIB select S3C_GPIO_TRACK + select S3C_GPIO_PULL_UPDOWN + select S3C_GPIO_CFG_S3C24XX + select S3C_GPIO_CFG_S3C64XX help Base platform code for any Samsung S3C64XX device diff --git a/arch/arm/plat-s3c64xx/gpiolib.c b/arch/arm/plat-s3c64xx/gpiolib.c index 28ba23502bce..cc62941d7b5c 100644 --- a/arch/arm/plat-s3c64xx/gpiolib.c +++ b/arch/arm/plat-s3c64xx/gpiolib.c @@ -18,8 +18,10 @@ #include #include +#include -#include +#include +#include #include /* GPIO bank summary: @@ -52,6 +54,12 @@ #define con_4bit_shift(__off) ((__off) * 4) +#if 1 +#define gpio_dbg(x...) do { } while(0) +#else +#define gpio_dbg(x...) printk(KERN_DEBUG ## x) +#endif + /* The s3c64xx_gpiolib_4bit routines are to control the gpio banks where * the gpio configuration register (GPxCON) has 4 bits per GPIO, as the * following example: @@ -77,6 +85,8 @@ static int s3c64xx_gpiolib_4bit_input(struct gpio_chip *chip, unsigned offset) con &= ~(0xf << con_4bit_shift(offset)); __raw_writel(con, base + OFF_GPCON); + gpio_dbg("%s: %p: CON now %08lx\n", __func__, base, con); + return 0; } @@ -102,6 +112,8 @@ static int s3c64xx_gpiolib_4bit_output(struct gpio_chip *chip, __raw_writel(con, base + OFF_GPCON); __raw_writel(dat, base + OFF_GPDAT); + gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); + return 0; } @@ -142,6 +154,8 @@ static int s3c64xx_gpiolib_4bit2_input(struct gpio_chip *chip, unsigned offset) con &= ~(0xf << con_4bit_shift(offset)); __raw_writel(con, regcon); + gpio_dbg("%s: %p: CON %08lx\n", __func__, base, con); + return 0; } @@ -174,12 +188,35 @@ static int s3c64xx_gpiolib_4bit2_output(struct gpio_chip *chip, __raw_writel(con, regcon); __raw_writel(dat, base + OFF_GPDAT); + gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); + return 0; } +static struct s3c_gpio_cfg gpio_4bit_cfg_noint = { + .set_config = s3c_gpio_setcfg_s3c64xx_4bit, + .set_pull = s3c_gpio_setpull_updown, + .get_pull = s3c_gpio_getpull_updown, +}; + +static struct s3c_gpio_cfg gpio_4bit_cfg_eint0111 = { + .cfg_eint = 7, + .set_config = s3c_gpio_setcfg_s3c64xx_4bit, + .set_pull = s3c_gpio_setpull_updown, + .get_pull = s3c_gpio_getpull_updown, +}; + +static struct s3c_gpio_cfg gpio_4bit_cfg_eint0011 = { + .cfg_eint = 3, + .set_config = s3c_gpio_setcfg_s3c64xx_4bit, + .set_pull = s3c_gpio_setpull_updown, + .get_pull = s3c_gpio_getpull_updown, +}; + static struct s3c_gpio_chip gpio_4bit[] = { { .base = S3C64XX_GPA_BASE, + .config = &gpio_4bit_cfg_eint0111, .chip = { .base = S3C64XX_GPA(0), .ngpio = S3C64XX_GPIO_A_NR, @@ -187,6 +224,7 @@ static struct s3c_gpio_chip gpio_4bit[] = { }, }, { .base = S3C64XX_GPB_BASE, + .config = &gpio_4bit_cfg_eint0111, .chip = { .base = S3C64XX_GPB(0), .ngpio = S3C64XX_GPIO_B_NR, @@ -194,6 +232,7 @@ static struct s3c_gpio_chip gpio_4bit[] = { }, }, { .base = S3C64XX_GPC_BASE, + .config = &gpio_4bit_cfg_eint0111, .chip = { .base = S3C64XX_GPC(0), .ngpio = S3C64XX_GPIO_C_NR, @@ -201,6 +240,7 @@ static struct s3c_gpio_chip gpio_4bit[] = { }, }, { .base = S3C64XX_GPD_BASE, + .config = &gpio_4bit_cfg_eint0111, .chip = { .base = S3C64XX_GPD(0), .ngpio = S3C64XX_GPIO_D_NR, @@ -208,6 +248,7 @@ static struct s3c_gpio_chip gpio_4bit[] = { }, }, { .base = S3C64XX_GPE_BASE, + .config = &gpio_4bit_cfg_noint, .chip = { .base = S3C64XX_GPE(0), .ngpio = S3C64XX_GPIO_E_NR, @@ -215,6 +256,7 @@ static struct s3c_gpio_chip gpio_4bit[] = { }, }, { .base = S3C64XX_GPG_BASE, + .config = &gpio_4bit_cfg_eint0111, .chip = { .base = S3C64XX_GPG(0), .ngpio = S3C64XX_GPIO_G_NR, @@ -222,6 +264,7 @@ static struct s3c_gpio_chip gpio_4bit[] = { }, }, { .base = S3C64XX_GPM_BASE, + .config = &gpio_4bit_cfg_eint0011, .chip = { .base = S3C64XX_GPM(0), .ngpio = S3C64XX_GPIO_M_NR, @@ -233,6 +276,7 @@ static struct s3c_gpio_chip gpio_4bit[] = { static struct s3c_gpio_chip gpio_4bit2[] = { { .base = S3C64XX_GPH_BASE + 0x4, + .config = &gpio_4bit_cfg_eint0111, .chip = { .base = S3C64XX_GPH(0), .ngpio = S3C64XX_GPIO_H_NR, @@ -240,6 +284,7 @@ static struct s3c_gpio_chip gpio_4bit2[] = { }, }, { .base = S3C64XX_GPK_BASE + 0x4, + .config = &gpio_4bit_cfg_noint, .chip = { .base = S3C64XX_GPK(0), .ngpio = S3C64XX_GPIO_K_NR, @@ -247,6 +292,7 @@ static struct s3c_gpio_chip gpio_4bit2[] = { }, }, { .base = S3C64XX_GPL_BASE + 0x4, + .config = &gpio_4bit_cfg_eint0011, .chip = { .base = S3C64XX_GPL(0), .ngpio = S3C64XX_GPIO_L_NR, @@ -255,9 +301,30 @@ static struct s3c_gpio_chip gpio_4bit2[] = { }, }; +static struct s3c_gpio_cfg gpio_2bit_cfg_noint = { + .set_config = s3c_gpio_setcfg_s3c24xx, + .set_pull = s3c_gpio_setpull_updown, + .get_pull = s3c_gpio_getpull_updown, +}; + +static struct s3c_gpio_cfg gpio_2bit_cfg_eint10 = { + .cfg_eint = 2, + .set_config = s3c_gpio_setcfg_s3c24xx, + .set_pull = s3c_gpio_setpull_updown, + .get_pull = s3c_gpio_getpull_updown, +}; + +static struct s3c_gpio_cfg gpio_2bit_cfg_eint11 = { + .cfg_eint = 3, + .set_config = s3c_gpio_setcfg_s3c24xx, + .set_pull = s3c_gpio_setpull_updown, + .get_pull = s3c_gpio_getpull_updown, +}; + static struct s3c_gpio_chip gpio_2bit[] = { { .base = S3C64XX_GPF_BASE, + .config = &gpio_2bit_cfg_eint11, .chip = { .base = S3C64XX_GPF(0), .ngpio = S3C64XX_GPIO_F_NR, @@ -265,6 +332,7 @@ static struct s3c_gpio_chip gpio_2bit[] = { }, }, { .base = S3C64XX_GPI_BASE, + .config = &gpio_2bit_cfg_noint, .chip = { .base = S3C64XX_GPI(0), .ngpio = S3C64XX_GPIO_I_NR, @@ -272,6 +340,7 @@ static struct s3c_gpio_chip gpio_2bit[] = { }, }, { .base = S3C64XX_GPJ_BASE, + .config = &gpio_2bit_cfg_noint, .chip = { .base = S3C64XX_GPJ(0), .ngpio = S3C64XX_GPIO_J_NR, @@ -279,6 +348,7 @@ static struct s3c_gpio_chip gpio_2bit[] = { }, }, { .base = S3C64XX_GPN_BASE, + .config = &gpio_2bit_cfg_eint10, .chip = { .base = S3C64XX_GPN(0), .ngpio = S3C64XX_GPIO_N_NR, @@ -286,6 +356,7 @@ static struct s3c_gpio_chip gpio_2bit[] = { }, }, { .base = S3C64XX_GPO_BASE, + .config = &gpio_2bit_cfg_eint11, .chip = { .base = S3C64XX_GPO(0), .ngpio = S3C64XX_GPIO_O_NR, @@ -293,6 +364,7 @@ static struct s3c_gpio_chip gpio_2bit[] = { }, }, { .base = S3C64XX_GPP_BASE, + .config = &gpio_2bit_cfg_eint11, .chip = { .base = S3C64XX_GPP(0), .ngpio = S3C64XX_GPIO_P_NR, @@ -300,6 +372,7 @@ static struct s3c_gpio_chip gpio_2bit[] = { }, }, { .base = S3C64XX_GPQ_BASE, + .config = &gpio_2bit_cfg_eint11, .chip = { .base = S3C64XX_GPQ(0), .ngpio = S3C64XX_GPIO_Q_NR, From ea522c7a54a1422b3ce8a1b9888f2108541ba047 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:37 +0000 Subject: [PATCH 08/31] [ARM] S3C: Add Samsung SDHCI register definitions Add the specific register definitions for the Samsung SDHCI (HSMMC) block for the S3C2443 and S3C64XX series. Signed-off-by: Ben Dooks --- arch/arm/plat-s3c/include/plat/regs-sdhci.h | 87 +++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 arch/arm/plat-s3c/include/plat/regs-sdhci.h diff --git a/arch/arm/plat-s3c/include/plat/regs-sdhci.h b/arch/arm/plat-s3c/include/plat/regs-sdhci.h new file mode 100644 index 000000000000..e34049ad44cc --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/regs-sdhci.h @@ -0,0 +1,87 @@ +/* linux/arch/arm/plat-s3c/include/plat/regs-sdhci.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C Platform - SDHCI (HSMMC) register definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __PLAT_S3C_SDHCI_REGS_H +#define __PLAT_S3C_SDHCI_REGS_H __FILE__ + +#define S3C_SDHCI_CONTROL2 (0x80) +#define S3C_SDHCI_CONTROL3 (0x84) +#define S3C64XX_SDHCI_CONTROL4 (0x8C) + +#define S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR (1 << 31) +#define S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK (1 << 30) +#define S3C_SDHCI_CTRL2_CDINVRXD3 (1 << 29) +#define S3C_SDHCI_CTRL2_SLCARDOUT (1 << 28) + +#define S3C_SDHCI_CTRL2_FLTCLKSEL_MASK (0xf << 24) +#define S3C_SDHCI_CTRL2_FLTCLKSEL_SHIFT (24) +#define S3C_SDHCI_CTRL2_FLTCLKSEL(_x) ((_x) << 24) + +#define S3C_SDHCI_CTRL2_LVLDAT_MASK (0xff << 16) +#define S3C_SDHCI_CTRL2_LVLDAT_SHIFT (16) +#define S3C_SDHCI_CTRL2_LVLDAT(_x) ((_x) << 16) + +#define S3C_SDHCI_CTRL2_ENFBCLKTX (1 << 15) +#define S3C_SDHCI_CTRL2_ENFBCLKRX (1 << 14) +#define S3C_SDHCI_CTRL2_SDCDSEL (1 << 13) +#define S3C_SDHCI_CTRL2_SDSIGPC (1 << 12) +#define S3C_SDHCI_CTRL2_ENBUSYCHKTXSTART (1 << 11) + +#define S3C_SDHCI_CTRL2_DFCNT_MASK (0x3 << 9) +#define S3C_SDHCI_CTRL2_DFCNT_SHIFT (9) +#define S3C_SDHCI_CTRL2_DFCNT_NONE (0x0 << 9) +#define S3C_SDHCI_CTRL2_DFCNT_4SDCLK (0x1 << 9) +#define S3C_SDHCI_CTRL2_DFCNT_16SDCLK (0x2 << 9) +#define S3C_SDHCI_CTRL2_DFCNT_64SDCLK (0x3 << 9) + +#define S3C_SDHCI_CTRL2_ENCLKOUTHOLD (1 << 8) +#define S3C_SDHCI_CTRL2_RWAITMODE (1 << 7) +#define S3C_SDHCI_CTRL2_DISBUFRD (1 << 6) +#define S3C_SDHCI_CTRL2_SELBASECLK_MASK (0x3 << 4) +#define S3C_SDHCI_CTRL2_SELBASECLK_SHIFT (4) +#define S3C_SDHCI_CTRL2_PWRSYNC (1 << 3) +#define S3C_SDHCI_CTRL2_ENCLKOUTMSKCON (1 << 1) +#define S3C_SDHCI_CTRL2_HWINITFIN (1 << 0) + +#define S3C_SDHCI_CTRL3_FCSEL3 (1 << 31) +#define S3C_SDHCI_CTRL3_FCSEL2 (1 << 23) +#define S3C_SDHCI_CTRL3_FCSEL1 (1 << 15) +#define S3C_SDHCI_CTRL3_FCSEL0 (1 << 7) + +#define S3C_SDHCI_CTRL3_FIA3_MASK (0x7f << 24) +#define S3C_SDHCI_CTRL3_FIA3_SHIFT (24) +#define S3C_SDHCI_CTRL3_FIA3(_x) ((_x) << 24) + +#define S3C_SDHCI_CTRL3_FIA2_MASK (0x7f << 16) +#define S3C_SDHCI_CTRL3_FIA2_SHIFT (16) +#define S3C_SDHCI_CTRL3_FIA2(_x) ((_x) << 16) + +#define S3C_SDHCI_CTRL3_FIA1_MASK (0x7f << 8) +#define S3C_SDHCI_CTRL3_FIA1_SHIFT (8) +#define S3C_SDHCI_CTRL3_FIA1(_x) ((_x) << 8) + +#define S3C_SDHCI_CTRL3_FIA0_MASK (0x7f << 0) +#define S3C_SDHCI_CTRL3_FIA0_SHIFT (0) +#define S3C_SDHCI_CTRL3_FIA0(_x) ((_x) << 0) + +#define S3C64XX_SDHCI_CONTROL4_DRIVE_MASK (0x3 << 16) +#define S3C64XX_SDHCI_CONTROL4_DRIVE_SHIFT (16) +#define S3C64XX_SDHCI_CONTROL4_DRIVE_2mA (0x0 << 16) +#define S3C64XX_SDHCI_CONTROL4_DRIVE_4mA (0x1 << 16) +#define S3C64XX_SDHCI_CONTROL4_DRIVE_7mA (0x2 << 16) +#define S3C64XX_SDHCI_CONTROL4_DRIVE_9mA (0x3 << 16) + +#define S3C64XX_SDHCI_CONTROL4_BUSY (1) + +#endif /* __PLAT_S3C_SDHCI_REGS_H */ From 5cc7fd88fc96072c333184ff359c818665ce2506 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:38 +0000 Subject: [PATCH 09/31] [ARM] S3C6410: Add helper for setting SDHCI device information Add the necessary helper functions for setting up the SDHCI device information. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6410/Kconfig | 6 ++ arch/arm/mach-s3c6410/Makefile | 4 + arch/arm/mach-s3c6410/cpu.c | 4 + arch/arm/mach-s3c6410/setup-sdhci.c | 102 +++++++++++++++++++++++++ arch/arm/plat-s3c/dev-hsmmc.c | 39 +++++++--- arch/arm/plat-s3c/include/plat/sdhci.h | 87 +++++++++++++++++++++ 6 files changed, 233 insertions(+), 9 deletions(-) create mode 100644 arch/arm/mach-s3c6410/setup-sdhci.c create mode 100644 arch/arm/plat-s3c/include/plat/sdhci.h diff --git a/arch/arm/mach-s3c6410/Kconfig b/arch/arm/mach-s3c6410/Kconfig index d7ccc269086c..32bdc93fc1ff 100644 --- a/arch/arm/mach-s3c6410/Kconfig +++ b/arch/arm/mach-s3c6410/Kconfig @@ -14,9 +14,15 @@ config CPU_S3C6410 help Enable S3C6410 CPU support +config S3C6410_SETUP_SDHCI + bool + help + Internal helper functions for S3C6410 based SDHCI systems + config MACH_SMDK6410 bool "SMDK6410" select CPU_S3C6410 select S3C_DEV_HSMMC + select S3C6410_SETUP_SDHCI help Machine support for the Samsung SMDK6410 diff --git a/arch/arm/mach-s3c6410/Makefile b/arch/arm/mach-s3c6410/Makefile index 4a20a009990a..2cd4f189036b 100644 --- a/arch/arm/mach-s3c6410/Makefile +++ b/arch/arm/mach-s3c6410/Makefile @@ -14,6 +14,10 @@ obj- := obj-$(CONFIG_CPU_S3C6410) += cpu.o +# Helper and device support + +obj-$(CONFIG_S3C6410_SETUP_SDHCI) += setup-sdhci.o + # machine support obj-$(CONFIG_MACH_SMDK6410) += mach-smdk6410.o diff --git a/arch/arm/mach-s3c6410/cpu.c b/arch/arm/mach-s3c6410/cpu.c index 975cf88f0e84..84fb65b59999 100644 --- a/arch/arm/mach-s3c6410/cpu.c +++ b/arch/arm/mach-s3c6410/cpu.c @@ -35,6 +35,7 @@ #include #include #include +#include #include #include @@ -51,6 +52,9 @@ static struct map_desc s3c6410_iodesc[] __initdata = { void __init s3c6410_map_io(void) { iotable_init(s3c6410_iodesc, ARRAY_SIZE(s3c6410_iodesc)); + + /* initialise device information early */ + s3c6410_default_sdhci0(); } void __init s3c6410_init_clocks(int xtal) diff --git a/arch/arm/mach-s3c6410/setup-sdhci.c b/arch/arm/mach-s3c6410/setup-sdhci.c new file mode 100644 index 000000000000..0b5788bd5985 --- /dev/null +++ b/arch/arm/mach-s3c6410/setup-sdhci.c @@ -0,0 +1,102 @@ +/* linux/arch/arm/mach-s3c6410/setup-sdhci.c + * + * Copyright 2008 Simtec Electronics + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C6410 - Helper functions for settign up SDHCI device(s) (HSMMC) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include +#include +#include + +#include +#include + +#include +#include +#include +#include + +/* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */ + +char *s3c6410_hsmmc_clksrcs[4] = { + [0] = "hsmmc", + [1] = "hsmmc", + [2] = "mmc_bus", + /* [3] = "48m", - note not succesfully used yet */ +}; + +void s3c6410_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width) +{ + unsigned int gpio; + unsigned int end; + + end = S3C64XX_GPG(2 + width); + + /* Set all the necessary GPG pins to special-function 0 */ + for (gpio = S3C64XX_GPG(0); gpio < end; gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(2)); +} + +void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev, + void __iomem *r, + struct mmc_ios *ios, + struct mmc_card *card) +{ + u32 ctrl2, ctrl3; + + /* don't need to alter anything acording to card-type */ + + writel(S3C64XX_SDHCI_CONTROL4_DRIVE_9mA, r + S3C64XX_SDHCI_CONTROL4); + + ctrl2 = readl(r + S3C_SDHCI_CONTROL2); + ctrl2 &= S3C_SDHCI_CTRL2_SELBASECLK_MASK; + ctrl2 |= (S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR | + S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK | + S3C_SDHCI_CTRL2_ENFBCLKRX | + S3C_SDHCI_CTRL2_DFCNT_NONE | + S3C_SDHCI_CTRL2_ENCLKOUTHOLD); + + if (ios->clock < 25 * 1000000) + ctrl3 = (S3C_SDHCI_CTRL3_FCSEL3 | + S3C_SDHCI_CTRL3_FCSEL2 | + S3C_SDHCI_CTRL3_FCSEL1 | + S3C_SDHCI_CTRL3_FCSEL0); + else + ctrl3 = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0); + + printk(KERN_INFO "%s: CTRL 2=%08x, 3=%08x\n", __func__, ctrl2, ctrl3); + writel(ctrl2, r + S3C_SDHCI_CONTROL2); + writel(ctrl3, r + S3C_SDHCI_CONTROL3); +} + +void s3c6410_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) +{ + unsigned int gpio; + unsigned int end; + + end = S3C64XX_GPH(2 + width); + + /* Set all the necessary GPG pins to special-function 0 */ + for (gpio = S3C64XX_GPH(0); gpio < end; gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(3)); +} diff --git a/arch/arm/plat-s3c/dev-hsmmc.c b/arch/arm/plat-s3c/dev-hsmmc.c index 5a5ef74ebde3..4c05b39810e2 100644 --- a/arch/arm/plat-s3c/dev-hsmmc.c +++ b/arch/arm/plat-s3c/dev-hsmmc.c @@ -13,8 +13,10 @@ #include #include +#include #include +#include #include #include @@ -35,13 +37,32 @@ static struct resource s3c_hsmmc_resource[] = { static u64 s3c_device_hsmmc_dmamask = 0xffffffffUL; -struct platform_device s3c_device_hsmmc0 = { - .name = "s3c-sdhci", - .id = 0, - .num_resources = ARRAY_SIZE(s3c_hsmmc_resource), - .resource = s3c_hsmmc_resource, - .dev = { - .dma_mask = &s3c_device_hsmmc_dmamask, - .coherent_dma_mask = 0xffffffffUL - } +struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata = { + .max_width = 4, + .host_caps = (MMC_CAP_4_BIT_DATA | + MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED), }; + +struct platform_device s3c_device_hsmmc0 = { + .name = "s3c-sdhci", + .id = 0, + .num_resources = ARRAY_SIZE(s3c_hsmmc_resource), + .resource = s3c_hsmmc_resource, + .dev = { + .dma_mask = &s3c_device_hsmmc_dmamask, + .coherent_dma_mask = 0xffffffffUL, + .platform_data = &s3c_hsmmc0_def_platdata, + }, +}; + +void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd) +{ + struct s3c_sdhci_platdata *set = &s3c_hsmmc0_def_platdata; + + set->max_width = pd->max_width; + + if (pd->cfg_gpio) + set->cfg_gpio = pd->cfg_gpio; + if (pd->cfg_card) + set->cfg_card = pd->cfg_card; +} diff --git a/arch/arm/plat-s3c/include/plat/sdhci.h b/arch/arm/plat-s3c/include/plat/sdhci.h new file mode 100644 index 000000000000..c9999121b4bb --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/sdhci.h @@ -0,0 +1,87 @@ +/* linux/arch/arm/plat-s3c/include/plat/sdhci.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C Platform - SDHCI (HSMMC) platform data definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __PLAT_S3C_SDHCI_H +#define __PLAT_S3C_SDHCI_H __FILE__ + +struct platform_device; +struct mmc_host; +struct mmc_card; +struct mmc_ios; + +/** + * struct s3c_sdhci_platdata() - Platform device data for Samsung SDHCI + * @max_width: The maximum number of data bits supported. + * @host_caps: Standard MMC host capabilities bit field. + * @cfg_gpio: Configure the GPIO for a specific card bit-width + * @cfg_card: Configure the interface for a specific card and speed. This + * is necessary the controllers and/or GPIO blocks require the + * changing of driver-strength and other controls dependant on + * the card and speed of operation. + * + * Initialisation data specific to either the machine or the platform + * for the device driver to use or call-back when configuring gpio or + * card speed information. +*/ +struct s3c_sdhci_platdata { + unsigned int max_width; + unsigned int host_caps; + + char **clocks; /* set of clock sources */ + + void (*cfg_gpio)(struct platform_device *dev, int width); + void (*cfg_card)(struct platform_device *dev, + void __iomem *regbase, + struct mmc_ios *ios, + struct mmc_card *card); +}; + +/** + * s3c_sdhci0_set_platdata - Set platform data for S3C SDHCI device. + * @pd: Platform data to register to device. + * + * Register the given platform data for use withe S3C SDHCI device. + * The call will copy the platform data, so the board definitions can + * make the structure itself __initdata. + */ +extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd); + +/* Default platform data, exported so that per-cpu initialisation can + * set the correct one when there are more than one cpu type selected. +*/ + +extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platata; + +/* Helper function availablity */ + +#ifdef CONFIG_S3C6410_SETUP_SDHCI +extern char *s3c6410_hsmmc_clksrcs[4]; + +extern void s3c6410_setup_sdhci0_cfg_gpio(struct platform_device *, int w); +extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev, + void __iomem *r, + struct mmc_ios *ios, + struct mmc_card *card); + +static inline void s3c6410_default_sdhci0(void) +{ + s3c_hsmmc0_def_platdata.clocks = s3c6410_hsmmc_clksrcs; + s3c_hsmmc0_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio; + s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card; +} +#else +static inline void s3c6410_default_sdhci0(void) { } +#endif /* CONFIG_S3C6410_SETUP_SDHCI */ + +#endif /* __PLAT_S3C_SDHCI_H */ From a2205cd2cbfb8fb217e6036f08773a09d1b6d75e Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:39 +0000 Subject: [PATCH 10/31] [ARM] S3C: Add SDHCI (HSMMC) channel 1 device definition Add device definition and support code for the Samsung HSMMC channel 1 device. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6410/cpu.c | 1 + arch/arm/plat-s3c/Kconfig | 6 +++ arch/arm/plat-s3c/Makefile | 1 + arch/arm/plat-s3c/dev-hsmmc1.c | 68 ++++++++++++++++++++++++++ arch/arm/plat-s3c/include/plat/sdhci.h | 14 +++++- 5 files changed, 89 insertions(+), 1 deletion(-) create mode 100644 arch/arm/plat-s3c/dev-hsmmc1.c diff --git a/arch/arm/mach-s3c6410/cpu.c b/arch/arm/mach-s3c6410/cpu.c index 84fb65b59999..137918e7711f 100644 --- a/arch/arm/mach-s3c6410/cpu.c +++ b/arch/arm/mach-s3c6410/cpu.c @@ -55,6 +55,7 @@ void __init s3c6410_map_io(void) /* initialise device information early */ s3c6410_default_sdhci0(); + s3c6410_default_sdhci1(); } void __init s3c6410_init_clocks(int xtal) diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig index 45e62cba595c..e6e64968a611 100644 --- a/arch/arm/plat-s3c/Kconfig +++ b/arch/arm/plat-s3c/Kconfig @@ -154,3 +154,9 @@ config S3C_DEV_HSMMC depends on PLAT_S3C help Compile in platform device definitions for HSMMC code + +config S3C_DEV_HSMMC1 + bool + depends on PLAT_S3C + help + Compile in platform device definitions for HSMMC channel 1 diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile index 68a3451a2d9d..3f6544a95fe8 100644 --- a/arch/arm/plat-s3c/Makefile +++ b/arch/arm/plat-s3c/Makefile @@ -21,3 +21,4 @@ obj-y += gpio-config.o # devices obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o +obj-$(CONFIG_S3C_DEV_HSMMC1) += dev-hsmmc1.o diff --git a/arch/arm/plat-s3c/dev-hsmmc1.c b/arch/arm/plat-s3c/dev-hsmmc1.c new file mode 100644 index 000000000000..e49bc4cd0ee6 --- /dev/null +++ b/arch/arm/plat-s3c/dev-hsmmc1.c @@ -0,0 +1,68 @@ +/* linux/arch/arm/plat-s3c/dev-hsmmc1.c + * + * Copyright (c) 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C series device definition for hsmmc device 1 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include + +#include +#include +#include +#include + +#define S3C_SZ_HSMMC (0x1000) + +static struct resource s3c_hsmmc1_resource[] = { + [0] = { + .start = S3C_PA_HSMMC1, + .end = S3C_PA_HSMMC1 + S3C_SZ_HSMMC - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_HSMMC1, + .end = IRQ_HSMMC1, + .flags = IORESOURCE_IRQ, + } +}; + +static u64 s3c_device_hsmmc1_dmamask = 0xffffffffUL; + +struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata = { + .max_width = 4, + .host_caps = (MMC_CAP_4_BIT_DATA | + MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED), +}; + +struct platform_device s3c_device_hsmmc1 = { + .name = "s3c-sdhci", + .id = 1, + .num_resources = ARRAY_SIZE(s3c_hsmmc1_resource), + .resource = s3c_hsmmc1_resource, + .dev = { + .dma_mask = &s3c_device_hsmmc1_dmamask, + .coherent_dma_mask = 0xffffffffUL, + .platform_data = &s3c_hsmmc1_def_platdata, + }, +}; + +void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd) +{ + struct s3c_sdhci_platdata *set = &s3c_hsmmc1_def_platdata; + + set->max_width = pd->max_width; + + if (pd->cfg_gpio) + set->cfg_gpio = pd->cfg_gpio; + if (pd->cfg_card) + set->cfg_card = pd->cfg_card; +} diff --git a/arch/arm/plat-s3c/include/plat/sdhci.h b/arch/arm/plat-s3c/include/plat/sdhci.h index c9999121b4bb..5aeebeb70dc2 100644 --- a/arch/arm/plat-s3c/include/plat/sdhci.h +++ b/arch/arm/plat-s3c/include/plat/sdhci.h @@ -56,12 +56,14 @@ struct s3c_sdhci_platdata { * make the structure itself __initdata. */ extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd); +extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd); /* Default platform data, exported so that per-cpu initialisation can * set the correct one when there are more than one cpu type selected. */ -extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platata; +extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata; +extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata; /* Helper function availablity */ @@ -69,6 +71,8 @@ extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platata; extern char *s3c6410_hsmmc_clksrcs[4]; extern void s3c6410_setup_sdhci0_cfg_gpio(struct platform_device *, int w); +extern void s3c6410_setup_sdhci1_cfg_gpio(struct platform_device *, int w); + extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev, void __iomem *r, struct mmc_ios *ios, @@ -80,8 +84,16 @@ static inline void s3c6410_default_sdhci0(void) s3c_hsmmc0_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio; s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card; } + +static inline void s3c6410_default_sdhci1(void) +{ + s3c_hsmmc1_def_platdata.clocks = s3c6410_hsmmc_clksrcs; + s3c_hsmmc1_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio; + s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card; +} #else static inline void s3c6410_default_sdhci0(void) { } +static inline void s3c6410_default_sdhci1(void) { } #endif /* CONFIG_S3C6410_SETUP_SDHCI */ #endif /* __PLAT_S3C_SDHCI_H */ From 3e1b776c2b9807d3af5945d5ece86dce9dfb0279 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:40 +0000 Subject: [PATCH 11/31] [ARM] S3C: Make i2c device definition common to plat-s3c Make the device i2c0 common to plat-s3c and move the definitions from arch/arm/plat-s3c24xx/devs.c Signed-off-by: Ben Dooks --- arch/arm/mach-s3c2410/include/mach/map.h | 2 +- arch/arm/mach-s3c2410/mach-amlm5900.c | 4 +- arch/arm/mach-s3c2410/mach-bast.c | 7 +-- arch/arm/mach-s3c2410/mach-h1940.c | 4 +- arch/arm/mach-s3c2410/mach-n30.c | 6 +-- arch/arm/mach-s3c2410/mach-otom.c | 4 +- arch/arm/mach-s3c2410/mach-qt2410.c | 4 +- arch/arm/mach-s3c2410/mach-smdk2410.c | 4 +- arch/arm/mach-s3c2410/mach-tct_hammer.c | 4 +- arch/arm/mach-s3c2410/mach-vr1000.c | 4 +- arch/arm/mach-s3c2412/mach-jive.c | 9 ++-- arch/arm/mach-s3c2412/mach-smdk2413.c | 4 +- arch/arm/mach-s3c2412/mach-vstms.c | 4 +- arch/arm/mach-s3c2440/mach-anubis.c | 4 +- arch/arm/mach-s3c2440/mach-at2440evb.c | 4 +- arch/arm/mach-s3c2440/mach-nexcoder.c | 4 +- arch/arm/mach-s3c2440/mach-osiris.c | 5 +- arch/arm/mach-s3c2440/mach-rx3715.c | 2 +- arch/arm/mach-s3c2440/mach-smdk2440.c | 4 +- arch/arm/mach-s3c2443/mach-smdk2443.c | 4 +- arch/arm/mach-s3c24a0/include/mach/map.h | 2 +- arch/arm/mach-s3c6400/include/mach/map.h | 2 + arch/arm/plat-s3c/Makefile | 1 + arch/arm/plat-s3c/dev-i2c0.c | 67 ++++++++++++++++++++++++ arch/arm/plat-s3c/include/plat/devs.h | 2 +- arch/arm/plat-s3c/include/plat/iic.h | 22 ++++++++ arch/arm/plat-s3c24xx/Makefile | 3 ++ arch/arm/plat-s3c24xx/devs.c | 25 --------- arch/arm/plat-s3c24xx/include/plat/map.h | 1 - arch/arm/plat-s3c24xx/s3c244x.c | 2 +- arch/arm/plat-s3c24xx/setup-i2c.c | 25 +++++++++ 31 files changed, 183 insertions(+), 56 deletions(-) create mode 100644 arch/arm/plat-s3c/dev-i2c0.c create mode 100644 arch/arm/plat-s3c24xx/setup-i2c.c diff --git a/arch/arm/mach-s3c2410/include/mach/map.h b/arch/arm/mach-s3c2410/include/mach/map.h index d5ae6823fed4..255fdfeaf957 100644 --- a/arch/arm/mach-s3c2410/include/mach/map.h +++ b/arch/arm/mach-s3c2410/include/mach/map.h @@ -92,7 +92,6 @@ #define S3C24XX_PA_TIMER S3C2410_PA_TIMER #define S3C24XX_PA_USBDEV S3C2410_PA_USBDEV #define S3C24XX_PA_WATCHDOG S3C2410_PA_WATCHDOG -#define S3C24XX_PA_IIC S3C2410_PA_IIC #define S3C24XX_PA_IIS S3C2410_PA_IIS #define S3C24XX_PA_GPIO S3C2410_PA_GPIO #define S3C24XX_PA_RTC S3C2410_PA_RTC @@ -101,6 +100,7 @@ #define S3C24XX_PA_SDI S3C2410_PA_SDI #define S3C24XX_PA_NAND S3C2410_PA_NAND +#define S3C_PA_IIC S3C2410_PA_IIC #define S3C_PA_UART S3C24XX_PA_UART #define S3C_PA_HSMMC0 S3C2443_PA_HSMMC diff --git a/arch/arm/mach-s3c2410/mach-amlm5900.c b/arch/arm/mach-s3c2410/mach-amlm5900.c index d061fea01900..6d6995afeb43 100644 --- a/arch/arm/mach-s3c2410/mach-amlm5900.c +++ b/arch/arm/mach-s3c2410/mach-amlm5900.c @@ -52,6 +52,7 @@ #include #include +#include #include #include @@ -150,7 +151,7 @@ static struct platform_device *amlm5900_devices[] __initdata = { #endif &s3c_device_adc, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_usb, &s3c_device_rtc, &s3c_device_usbgadget, @@ -233,6 +234,7 @@ static void __init amlm5900_init(void) #ifdef CONFIG_FB_S3C2410 s3c24xx_fb_set_platdata(&amlm5900_fb_info); #endif + s3c_i2c0_set_platdata(NULL); platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices)); } diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c index c04c24444e0d..01bd76725b92 100644 --- a/arch/arm/mach-s3c2410/mach-bast.c +++ b/arch/arm/mach-s3c2410/mach-bast.c @@ -406,7 +406,7 @@ static struct platform_device bast_sio = { * standard 100KHz i2c bus frequency */ -static struct s3c2410_platform_i2c bast_i2c_info = { +static struct s3c2410_platform_i2c __initdata bast_i2c_info = { .flags = 0, .slave_addr = 0x10, .bus_freq = 100*1000, @@ -553,7 +553,7 @@ static struct platform_device *bast_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_rtc, &s3c_device_nand, &bast_device_dm9k, @@ -588,7 +588,8 @@ static void __init bast_map_io(void) s3c24xx_register_clocks(bast_clocks, ARRAY_SIZE(bast_clocks)); s3c_device_nand.dev.platform_data = &bast_nand_info; - s3c_device_i2c.dev.platform_data = &bast_i2c_info; + + s3c_i2c0_set_platdata(&bast_i2c_info); s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc)); s3c24xx_init_clocks(0); diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c index 836508b829bb..821a1668c3ac 100644 --- a/arch/arm/mach-s3c2410/mach-h1940.c +++ b/arch/arm/mach-s3c2410/mach-h1940.c @@ -39,6 +39,7 @@ #include #include #include +#include #include #include @@ -184,7 +185,7 @@ static struct platform_device *h1940_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_usbgadget, &s3c_device_leds, @@ -216,6 +217,7 @@ static void __init h1940_init(void) s3c24xx_fb_set_platdata(&h1940_fb_info); s3c24xx_udc_set_platdata(&h1940_udc_cfg); + s3c_i2c0_set_platdata(NULL); /* Turn off suspend on both USB ports, and switch the * selectable USB port to USB device mode. */ diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c index 7a7c45d28fe7..1269e59d2940 100644 --- a/arch/arm/mach-s3c2410/mach-n30.c +++ b/arch/arm/mach-s3c2410/mach-n30.c @@ -320,7 +320,7 @@ static struct s3c2410fb_mach_info n30_fb_info __initdata = { static struct platform_device *n30_devices[] __initdata = { &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_usb, &s3c_device_usbgadget, @@ -332,7 +332,7 @@ static struct platform_device *n30_devices[] __initdata = { static struct platform_device *n35_devices[] __initdata = { &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_usbgadget, &n35_button_device, @@ -501,7 +501,7 @@ static void __init n30_init_irq(void) static void __init n30_init(void) { s3c24xx_fb_set_platdata(&n30_fb_info); - s3c_device_i2c.dev.platform_data = &n30_i2ccfg; + s3c_device_i2c0.dev.platform_data = &n30_i2ccfg; s3c24xx_udc_set_platdata(&n30_udc_cfg); /* Turn off suspend on both USB ports, and switch the diff --git a/arch/arm/mach-s3c2410/mach-otom.c b/arch/arm/mach-s3c2410/mach-otom.c index d8255cf87e44..f6c7261a4a12 100644 --- a/arch/arm/mach-s3c2410/mach-otom.c +++ b/arch/arm/mach-s3c2410/mach-otom.c @@ -35,6 +35,7 @@ #include #include #include +#include #include static struct map_desc otom11_iodesc[] __initdata = { @@ -94,7 +95,7 @@ static struct platform_device *otom11_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_rtc, &otom_device_nor, @@ -109,6 +110,7 @@ static void __init otom11_map_io(void) static void __init otom11_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(otom11_devices, ARRAY_SIZE(otom11_devices)); } diff --git a/arch/arm/mach-s3c2410/mach-qt2410.c b/arch/arm/mach-s3c2410/mach-qt2410.c index ef868472f6a4..9678a53ceeb1 100644 --- a/arch/arm/mach-s3c2410/mach-qt2410.c +++ b/arch/arm/mach-s3c2410/mach-qt2410.c @@ -54,6 +54,7 @@ #include #include #include +#include #include #include @@ -247,7 +248,7 @@ static struct platform_device *qt2410_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_sdi, &s3c_device_usbgadget, @@ -349,6 +350,7 @@ static void __init qt2410_machine_init(void) s3c2410_gpio_setpin(S3C2410_GPB0, 1); s3c24xx_udc_set_platdata(&qt2410_udc_cfg); + s3c_i2c0_set_platdata(NULL); s3c2410_gpio_cfgpin(S3C2410_GPB5, S3C2410_GPIO_OUTPUT); diff --git a/arch/arm/mach-s3c2410/mach-smdk2410.c b/arch/arm/mach-s3c2410/mach-smdk2410.c index 152527bb2872..c49126ccb1d5 100644 --- a/arch/arm/mach-s3c2410/mach-smdk2410.c +++ b/arch/arm/mach-s3c2410/mach-smdk2410.c @@ -47,6 +47,7 @@ #include #include +#include #include #include @@ -89,7 +90,7 @@ static struct platform_device *smdk2410_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, }; @@ -102,6 +103,7 @@ static void __init smdk2410_map_io(void) static void __init smdk2410_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(smdk2410_devices, ARRAY_SIZE(smdk2410_devices)); smdk_machine_init(); } diff --git a/arch/arm/mach-s3c2410/mach-tct_hammer.c b/arch/arm/mach-s3c2410/mach-tct_hammer.c index 309dcf4c870a..8fdb0430bd48 100644 --- a/arch/arm/mach-s3c2410/mach-tct_hammer.c +++ b/arch/arm/mach-s3c2410/mach-tct_hammer.c @@ -45,6 +45,7 @@ #include #include +#include #include #include @@ -127,7 +128,7 @@ static struct s3c2410_uartcfg tct_hammer_uartcfgs[] = { static struct platform_device *tct_hammer_devices[] __initdata = { &s3c_device_adc, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_usb, &s3c_device_rtc, &s3c_device_usbgadget, @@ -146,6 +147,7 @@ static void __init tct_hammer_map_io(void) static void __init tct_hammer_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(tct_hammer_devices, ARRAY_SIZE(tct_hammer_devices)); } diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c index 941353af16dc..61a1ea9c5c5c 100644 --- a/arch/arm/mach-s3c2410/mach-vr1000.c +++ b/arch/arm/mach-s3c2410/mach-vr1000.c @@ -47,6 +47,7 @@ #include #include #include +#include #include "usb-simtec.h" #include "nor-simtec.h" @@ -334,7 +335,7 @@ static struct platform_device *vr1000_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_adc, &serial_device, &vr1000_dm9k0, @@ -384,6 +385,7 @@ static void __init vr1000_map_io(void) static void __init vr1000_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(vr1000_devices, ARRAY_SIZE(vr1000_devices)); i2c_register_board_info(0, vr1000_i2c_devs, diff --git a/arch/arm/mach-s3c2412/mach-jive.c b/arch/arm/mach-s3c2412/mach-jive.c index 25ff1ec9f8ad..e08a0f06224e 100644 --- a/arch/arm/mach-s3c2412/mach-jive.c +++ b/arch/arm/mach-s3c2412/mach-jive.c @@ -53,6 +53,7 @@ #include #include #include +#include static struct map_desc jive_iodesc[] __initdata = { }; @@ -450,14 +451,14 @@ static struct spi_board_info __initdata jive_spi_devs[] = { /* I2C bus and device configuration. */ -static struct s3c2410_platform_i2c jive_i2c_cfg = { +static struct s3c2410_platform_i2c jive_i2c_cfg __initdata = { .max_freq = 80 * 1000, .bus_freq = 50 * 1000, .flags = S3C_IICFLG_FILTER, .sda_delay = 2, }; -static struct i2c_board_info jive_i2c_devs[] = { +static struct i2c_board_info jive_i2c_devs[] __initdata = { [0] = { I2C_BOARD_INFO("lis302dl", 0x1c), .irq = IRQ_EINT14, @@ -470,7 +471,7 @@ static struct platform_device *jive_devices[] __initdata = { &s3c_device_usb, &s3c_device_rtc, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_lcd, &jive_device_lcdspi, &jive_device_wm8750, @@ -663,7 +664,7 @@ static void __init jive_machine_init(void) spi_register_board_info(jive_spi_devs, ARRAY_SIZE(jive_spi_devs)); - s3c_device_i2c.dev.platform_data = &jive_i2c_cfg; + s3c_i2c0_set_platdata(&jive_i2c_cfg); i2c_register_board_info(0, jive_i2c_devs, ARRAY_SIZE(jive_i2c_devs)); pm_power_off = jive_power_off; diff --git a/arch/arm/mach-s3c2412/mach-smdk2413.c b/arch/arm/mach-s3c2412/mach-smdk2413.c index 8fd17b8d5679..eba66aa6bd20 100644 --- a/arch/arm/mach-s3c2412/mach-smdk2413.c +++ b/arch/arm/mach-s3c2412/mach-smdk2413.c @@ -38,6 +38,7 @@ #include #include +#include #include #include @@ -105,7 +106,7 @@ static struct platform_device *smdk2413_devices[] __initdata = { &s3c_device_usb, //&s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_usbgadget, }; @@ -142,6 +143,7 @@ static void __init smdk2413_machine_init(void) s3c24xx_udc_set_platdata(&smdk2413_udc_cfg); + s3c_i2c0_set_platdata(NULL); platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices)); smdk_machine_init(); diff --git a/arch/arm/mach-s3c2412/mach-vstms.c b/arch/arm/mach-s3c2412/mach-vstms.c index da32a6cb17ae..11e8ad49fc7b 100644 --- a/arch/arm/mach-s3c2412/mach-vstms.c +++ b/arch/arm/mach-s3c2412/mach-vstms.c @@ -39,6 +39,7 @@ #include #include +#include #include #include @@ -122,7 +123,7 @@ static struct s3c2410_platform_nand vstms_nand_info = { static struct platform_device *vstms_devices[] __initdata = { &s3c_device_usb, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_rtc, &s3c_device_nand, @@ -151,6 +152,7 @@ static void __init vstms_map_io(void) static void __init vstms_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices)); } diff --git a/arch/arm/mach-s3c2440/mach-anubis.c b/arch/arm/mach-s3c2440/mach-anubis.c index 334379bdfc6e..a9bbc41c4568 100644 --- a/arch/arm/mach-s3c2440/mach-anubis.c +++ b/arch/arm/mach-s3c2440/mach-anubis.c @@ -40,6 +40,7 @@ #include #include #include +#include #include #include @@ -404,7 +405,7 @@ static struct platform_device *anubis_devices[] __initdata = { &s3c_device_usb, &s3c_device_wdt, &s3c_device_adc, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_rtc, &s3c_device_nand, &anubis_device_ide0, @@ -468,6 +469,7 @@ static void __init anubis_map_io(void) static void __init anubis_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices)); i2c_register_board_info(0, anubis_i2c_devs, diff --git a/arch/arm/mach-s3c2440/mach-at2440evb.c b/arch/arm/mach-s3c2440/mach-at2440evb.c index 07b42a0207d1..55e07ae5ab8c 100644 --- a/arch/arm/mach-s3c2440/mach-at2440evb.c +++ b/arch/arm/mach-s3c2440/mach-at2440evb.c @@ -36,6 +36,7 @@ #include #include #include +#include #include #include @@ -166,7 +167,7 @@ static struct platform_device *at2440evb_devices[] __initdata = { &s3c_device_usb, &s3c_device_wdt, &s3c_device_adc, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_rtc, &s3c_device_nand, &at2440evb_device_eth, @@ -183,6 +184,7 @@ static void __init at2440evb_map_io(void) static void __init at2440evb_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices)); } diff --git a/arch/arm/mach-s3c2440/mach-nexcoder.c b/arch/arm/mach-s3c2440/mach-nexcoder.c index a546307fd53d..7aeaa972d7f5 100644 --- a/arch/arm/mach-s3c2440/mach-nexcoder.c +++ b/arch/arm/mach-s3c2440/mach-nexcoder.c @@ -37,6 +37,7 @@ //#include #include #include +#include #include #include @@ -107,7 +108,7 @@ static struct platform_device *nexcoder_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_rtc, &s3c_device_camif, @@ -142,6 +143,7 @@ static void __init nexcoder_map_io(void) static void __init nexcoder_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices)); }; diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c index 884a3c7ae75f..41a00f57e5da 100644 --- a/arch/arm/mach-s3c2440/mach-osiris.c +++ b/arch/arm/mach-s3c2440/mach-osiris.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include @@ -335,7 +336,7 @@ static struct i2c_board_info osiris_i2c_devs[] __initdata = { /* Standard Osiris devices */ static struct platform_device *osiris_devices[] __initdata = { - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_wdt, &s3c_device_nand, &osiris_pcmcia, @@ -398,6 +399,8 @@ static void __init osiris_init(void) sysdev_class_register(&osiris_pm_sysclass); sysdev_register(&osiris_pm_sysdev); + s3c_i2c0_set_platdata(NULL); + i2c_register_board_info(0, osiris_i2c_devs, ARRAY_SIZE(osiris_i2c_devs)); diff --git a/arch/arm/mach-s3c2440/mach-rx3715.c b/arch/arm/mach-s3c2440/mach-rx3715.c index fbd081de592f..12d378f84ad2 100644 --- a/arch/arm/mach-s3c2440/mach-rx3715.c +++ b/arch/arm/mach-s3c2440/mach-rx3715.c @@ -179,7 +179,7 @@ static struct platform_device *rx3715_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, &s3c_device_nand, }; diff --git a/arch/arm/mach-s3c2440/mach-smdk2440.c b/arch/arm/mach-s3c2440/mach-smdk2440.c index fefeaaa4155f..db6eafbd4d90 100644 --- a/arch/arm/mach-s3c2440/mach-smdk2440.c +++ b/arch/arm/mach-s3c2440/mach-smdk2440.c @@ -37,6 +37,7 @@ #include #include +#include #include #include @@ -152,7 +153,7 @@ static struct platform_device *smdk2440_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_iis, }; @@ -166,6 +167,7 @@ static void __init smdk2440_map_io(void) static void __init smdk2440_machine_init(void) { s3c24xx_fb_set_platdata(&smdk2440_fb_info); + s3c_i2c0_set_platdata(NULL); platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices)); smdk_machine_init(); diff --git a/arch/arm/mach-s3c2443/mach-smdk2443.c b/arch/arm/mach-s3c2443/mach-smdk2443.c index 815a3bd1d37b..039a46243105 100644 --- a/arch/arm/mach-s3c2443/mach-smdk2443.c +++ b/arch/arm/mach-s3c2443/mach-smdk2443.c @@ -37,6 +37,7 @@ #include #include +#include #include #include @@ -103,7 +104,7 @@ static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = { static struct platform_device *smdk2443_devices[] __initdata = { &s3c_device_wdt, - &s3c_device_i2c, + &s3c_device_i2c0, &s3c_device_hsmmc0, }; @@ -116,6 +117,7 @@ static void __init smdk2443_map_io(void) static void __init smdk2443_machine_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices)); smdk_machine_init(); } diff --git a/arch/arm/mach-s3c24a0/include/mach/map.h b/arch/arm/mach-s3c24a0/include/mach/map.h index 6667355a47a1..a01132717e34 100644 --- a/arch/arm/mach-s3c24a0/include/mach/map.h +++ b/arch/arm/mach-s3c24a0/include/mach/map.h @@ -71,7 +71,6 @@ #define S3C24XX_PA_TIMER S3C24A0_PA_TIMER #define S3C24XX_PA_USBDEV S3C24A0_PA_USBDEV #define S3C24XX_PA_WATCHDOG S3C24A0_PA_WATCHDOG -#define S3C24XX_PA_IIC S3C24A0_PA_IIC #define S3C24XX_PA_IIS S3C24A0_PA_IIS #define S3C24XX_PA_GPIO S3C24A0_PA_GPIO #define S3C24XX_PA_RTC S3C24A0_PA_RTC @@ -81,5 +80,6 @@ #define S3C24XX_PA_NAND S3C24A0_PA_NAND #define S3C_PA_UART S3C24A0_PA_UART +#define S3C_PA_IIC S3C24A0_PA_IIC #endif /* __ASM_ARCH_24A0_MAP_H */ diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c6400/include/mach/map.h index aadaaaf2d8b6..f0d6fa616b6c 100644 --- a/arch/arm/mach-s3c6400/include/mach/map.h +++ b/arch/arm/mach-s3c6400/include/mach/map.h @@ -40,6 +40,7 @@ #define S3C64XX_PA_SYSCON (0x7E00F000) #define S3C64XX_PA_TIMER (0x7F006000) +#define S3C64XX_PA_IIC0 (0x7F004000) #define S3C64XX_PA_GPIO (0x7F008000) #define S3C64XX_VA_GPIO S3C_ADDR(0x00500000) @@ -58,5 +59,6 @@ #define S3C_PA_HSMMC0 S3C64XX_PA_HSMMC0 #define S3C_PA_HSMMC1 S3C64XX_PA_HSMMC1 #define S3C_PA_HSMMC2 S3C64XX_PA_HSMMC2 +#define S3C_PA_IIC S3C64XX_PA_IIC0 #endif /* __ASM_ARCH_6400_MAP_H */ diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile index 3f6544a95fe8..187fa95b87d5 100644 --- a/arch/arm/plat-s3c/Makefile +++ b/arch/arm/plat-s3c/Makefile @@ -22,3 +22,4 @@ obj-y += gpio-config.o obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o obj-$(CONFIG_S3C_DEV_HSMMC1) += dev-hsmmc1.o +obj-y += dev-i2c0.o diff --git a/arch/arm/plat-s3c/dev-i2c0.c b/arch/arm/plat-s3c/dev-i2c0.c new file mode 100644 index 000000000000..21870fd2ec98 --- /dev/null +++ b/arch/arm/plat-s3c/dev-i2c0.c @@ -0,0 +1,67 @@ +/* linux/arch/arm/plat-s3c/dev-i2c0.c + * + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C series device definition for i2c device 0 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include + +#include + +#include +#include +#include +#include + +static struct resource s3c_i2c_resource[] = { + [0] = { + .start = S3C_PA_IIC, + .end = S3C_PA_IIC + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IIC, + .end = IRQ_IIC, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device s3c_device_i2c0 = { + .name = "s3c2410-i2c", + .id = -1, + .num_resources = ARRAY_SIZE(s3c_i2c_resource), + .resource = s3c_i2c_resource, +}; + +struct s3c2410_platform_i2c default_i2c_data __initdata = { + .flags = 0, + .slave_addr = 0x10, + .bus_freq = 100*1000, + .max_freq = 400*1000, + .sda_delay = S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON, +}; + +void __init s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *pd) +{ + struct s3c2410_platform_i2c *npd; + + if (!pd) + pd = &default_i2c_data; + + npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL); + if (!npd) + printk(KERN_ERR "%s: no memory for platform data\n", __func__); + else if (!npd->cfg_gpio) + npd->cfg_gpio = s3c_i2c0_cfg_gpio; + + s3c_device_i2c0.dev.platform_data = npd; +} diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h index f173863b8cc7..d9e0c543ebd6 100644 --- a/arch/arm/plat-s3c/include/plat/devs.h +++ b/arch/arm/plat-s3c/include/plat/devs.h @@ -27,7 +27,7 @@ extern struct platform_device s3c_device_timer[]; extern struct platform_device s3c_device_usb; extern struct platform_device s3c_device_lcd; extern struct platform_device s3c_device_wdt; -extern struct platform_device s3c_device_i2c; +extern struct platform_device s3c_device_i2c0; extern struct platform_device s3c_device_iis; extern struct platform_device s3c_device_rtc; extern struct platform_device s3c_device_adc; diff --git a/arch/arm/plat-s3c/include/plat/iic.h b/arch/arm/plat-s3c/include/plat/iic.h index 5106acaa1d0e..5073b1e74ee8 100644 --- a/arch/arm/plat-s3c/include/plat/iic.h +++ b/arch/arm/plat-s3c/include/plat/iic.h @@ -28,6 +28,28 @@ struct s3c2410_platform_i2c { unsigned long max_freq; /* max frequency for the bus */ unsigned long min_freq; /* min frequency for the bus */ unsigned int sda_delay; /* pclks (s3c2440 only) */ + + void (*cfg_gpio)(struct platform_device *dev); }; +/** + * s3c_i2c0_set_platdata - set platform data for i2c0 device + * @i2c: The platform data to set, or NULL for default data. + * + * Register the given platform data for use with the i2c0 device. This + * call copies the platform data, so the caller can use __initdata for + * their copy. + * + * This call will set cfg_gpio if is null to the default platform + * implementation. + * + * Any user of s3c_device_i2c0 should call this, even if it is with + * NULL to ensure that the device is given the default platform data + * as the driver will no longer carry defaults. + */ +extern void s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *i2c); + +/* defined by architecture to configure gpio */ +extern void s3c_i2c0_cfg_gpio(struct platform_device *dev); + #endif /* __ASM_ARCH_IIC_H */ diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile index 2a65ba7eb34d..763d3444048b 100644 --- a/arch/arm/plat-s3c24xx/Makefile +++ b/arch/arm/plat-s3c24xx/Makefile @@ -32,6 +32,9 @@ obj-$(CONFIG_HAVE_PWM) += pwm.o obj-$(CONFIG_S3C2410_CLOCK) += s3c2410-clock.o obj-$(CONFIG_S3C2410_DMA) += dma.o +# device specific setup and/or initialisation +obj-$(CONFIG_ARCH_S3C2410) += setup-i2c.o + # SPI gpio central GPIO functions obj-$(CONFIG_S3C24XX_SPI_BUS0_GPE11_GPE12_GPE13) += spi-bus0-gpe11_12_13.o diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c index 3a2fcd94791e..3cb07b6a0e4c 100644 --- a/arch/arm/plat-s3c24xx/devs.c +++ b/arch/arm/plat-s3c24xx/devs.c @@ -271,31 +271,6 @@ struct platform_device s3c_device_wdt = { EXPORT_SYMBOL(s3c_device_wdt); -/* I2C */ - -static struct resource s3c_i2c_resource[] = { - [0] = { - .start = S3C24XX_PA_IIC, - .end = S3C24XX_PA_IIC + S3C24XX_SZ_IIC - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_IIC, - .end = IRQ_IIC, - .flags = IORESOURCE_IRQ, - } - -}; - -struct platform_device s3c_device_i2c = { - .name = "s3c2410-i2c", - .id = -1, - .num_resources = ARRAY_SIZE(s3c_i2c_resource), - .resource = s3c_i2c_resource, -}; - -EXPORT_SYMBOL(s3c_device_i2c); - /* IIS */ static struct resource s3c_iis_resource[] = { diff --git a/arch/arm/plat-s3c24xx/include/plat/map.h b/arch/arm/plat-s3c24xx/include/plat/map.h index e7be0c0d3702..fef8ea8b8e1e 100644 --- a/arch/arm/plat-s3c24xx/include/plat/map.h +++ b/arch/arm/plat-s3c24xx/include/plat/map.h @@ -51,7 +51,6 @@ /* Standard size definitions for peripheral blocks. */ -#define S3C24XX_SZ_IIC SZ_1M #define S3C24XX_SZ_IIS SZ_1M #define S3C24XX_SZ_ADC SZ_1M #define S3C24XX_SZ_SPI SZ_1M diff --git a/arch/arm/plat-s3c24xx/s3c244x.c b/arch/arm/plat-s3c24xx/s3c244x.c index 494368403055..c1de6bb0101b 100644 --- a/arch/arm/plat-s3c24xx/s3c244x.c +++ b/arch/arm/plat-s3c24xx/s3c244x.c @@ -68,7 +68,7 @@ void __init s3c244x_map_io(void) /* rename any peripherals used differing from the s3c2410 */ s3c_device_sdi.name = "s3c2440-sdi"; - s3c_device_i2c.name = "s3c2440-i2c"; + s3c_device_i2c0.name = "s3c2440-i2c"; s3c_device_nand.name = "s3c2440-nand"; s3c_device_usbgadget.name = "s3c2440-usbgadget"; } diff --git a/arch/arm/plat-s3c24xx/setup-i2c.c b/arch/arm/plat-s3c24xx/setup-i2c.c new file mode 100644 index 000000000000..d62b7e7fb355 --- /dev/null +++ b/arch/arm/plat-s3c24xx/setup-i2c.c @@ -0,0 +1,25 @@ +/* linux/arch/arm/plat-s3c24xx/setup-i2c.c + * + * Copyright 2008 Simtec Electronics + * Ben Dooks + * + * S3C24XX Base setup for i2c device + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include + +struct platform_device; + +#include +#include +#include + +void s3c_i2c0_cfg_gpio(struct platform_device *dev) +{ + s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_IICSDA); + s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_IICSCL); +} From 995deb638debc93d6c9c49cdc118d68cb31e93d9 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:47 +0000 Subject: [PATCH 12/31] [ARM] S3C64XX: GPIO definitions for BANKS A,B,C GPIO register and configuration definitions for GPIO banks A, B and C. Signed-off-by: Ben Dooks --- .../plat-s3c64xx/include/plat/gpio-bank-a.h | 48 +++++++++++++++ .../plat-s3c64xx/include/plat/gpio-bank-b.h | 60 +++++++++++++++++++ .../plat-s3c64xx/include/plat/gpio-bank-c.h | 53 ++++++++++++++++ 3 files changed, 161 insertions(+) create mode 100644 arch/arm/plat-s3c64xx/include/plat/gpio-bank-a.h create mode 100644 arch/arm/plat-s3c64xx/include/plat/gpio-bank-b.h create mode 100644 arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-a.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-a.h new file mode 100644 index 000000000000..9aa0e427d113 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-a.h @@ -0,0 +1,48 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-a.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank A register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPACON (S3C64XX_GPA_BASE + 0x00) +#define S3C64XX_GPADAT (S3C64XX_GPA_BASE + 0x04) +#define S3C64XX_GPAPUD (S3C64XX_GPA_BASE + 0x08) +#define S3C64XX_GPACONSLP (S3C64XX_GPA_BASE + 0x0c) +#define S3C64XX_GPAPUDSLP (S3C64XX_GPA_BASE + 0x10) + +#define S3C64XX_GPA_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S3C64XX_GPA_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S3C64XX_GPA_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +#define S3C64XX_GPA0_UART_RXD0 (0x02 << 0) +#define S3C64XX_GPA0_EINT_G1_0 (0x07 << 0) + +#define S3C64XX_GPA1_UART_TXD0 (0x02 << 4) +#define S3C64XX_GPA1_EINT_G1_1 (0x07 << 4) + +#define S3C64XX_GPA2_UART_nCTS0 (0x02 << 8) +#define S3C64XX_GPA2_EINT_G1_2 (0x07 << 8) + +#define S3C64XX_GPA3_UART_nRTS0 (0x02 << 12) +#define S3C64XX_GPA3_EINT_G1_3 (0x07 << 12) + +#define S3C64XX_GPA4_UART_RXD1 (0x02 << 16) +#define S3C64XX_GPA4_EINT_G1_4 (0x07 << 16) + +#define S3C64XX_GPA5_UART_TXD1 (0x02 << 20) +#define S3C64XX_GPA5_EINT_G1_5 (0x07 << 20) + +#define S3C64XX_GPA6_UART_nCTS1 (0x02 << 24) +#define S3C64XX_GPA6_EINT_G1_6 (0x07 << 24) + +#define S3C64XX_GPA7_UART_nRTS1 (0x02 << 28) +#define S3C64XX_GPA7_EINT_G1_7 (0x07 << 28) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-b.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-b.h new file mode 100644 index 000000000000..3933adb4d50a --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-b.h @@ -0,0 +1,60 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-b.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank B register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPBCON (S3C64XX_GPB_BASE + 0x00) +#define S3C64XX_GPBDAT (S3C64XX_GPB_BASE + 0x04) +#define S3C64XX_GPBPUD (S3C64XX_GPB_BASE + 0x08) +#define S3C64XX_GPBCONSLP (S3C64XX_GPB_BASE + 0x0c) +#define S3C64XX_GPBPUDSLP (S3C64XX_GPB_BASE + 0x10) + +#define S3C64XX_GPB_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S3C64XX_GPB_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S3C64XX_GPB_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +#define S3C64XX_GPB0_UART_RXD2 (0x02 << 0) +#define S3C64XX_GPB0_EXTDMA_REQ (0x03 << 0) +#define S3C64XX_GPB0_IrDA_RXD (0x04 << 0) +#define S3C64XX_GPB0_ADDR_CF0 (0x05 << 0) +#define S3C64XX_GPB0_EINT_G1_8 (0x07 << 0) + +#define S3C64XX_GPB1_UART_TXD2 (0x02 << 4) +#define S3C64XX_GPB1_EXTDMA_ACK (0x03 << 4) +#define S3C64XX_GPB1_IrDA_TXD (0x04 << 4) +#define S3C64XX_GPB1_ADDR_CF1 (0x05 << 4) +#define S3C64XX_GPB1_EINT_G1_9 (0x07 << 4) + +#define S3C64XX_GPB2_UART_RXD3 (0x02 << 8) +#define S3C64XX_GPB2_IrDA_RXD (0x03 << 8) +#define S3C64XX_GPB2_EXTDMA_REQ (0x04 << 8) +#define S3C64XX_GPB2_ADDR_CF2 (0x05 << 8) +#define S3C64XX_GPB2_I2C_SCL1 (0x06 << 8) +#define S3C64XX_GPB2_EINT_G1_10 (0x07 << 8) + +#define S3C64XX_GPB3_UART_TXD3 (0x02 << 12) +#define S3C64XX_GPB3_IrDA_TXD (0x03 << 12) +#define S3C64XX_GPB3_EXTDMA_ACK (0x04 << 12) +#define S3C64XX_GPB3_I2C_SDA1 (0x06 << 12) +#define S3C64XX_GPB3_EINT_G1_11 (0x07 << 12) + +#define S3C64XX_GPB4_IrDA_SDBW (0x02 << 16) +#define S3C64XX_GPB4_CAM_FIELD (0x03 << 16) +#define S3C64XX_GPB4_CF_DATA_DIR (0x04 << 16) +#define S3C64XX_GPB4_EINT_G1_12 (0x07 << 16) + +#define S3C64XX_GPB5_I2C_SCL0 (0x02 << 20) +#define S3C64XX_GPB5_EINT_G1_13 (0x07 << 20) + +#define S3C64XX_GPB6_I2C_SDA0 (0x02 << 24) +#define S3C64XX_GPB6_EINT_G1_14 (0x07 << 24) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h new file mode 100644 index 000000000000..c47daf7e2723 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h @@ -0,0 +1,53 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank C register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPCCON (S3C64XX_GPC_BASE + 0x00) +#define S3C64XX_GPCDAT (S3C64XX_GPC_BASE + 0x04) +#define S3C64XX_GPCPUD (S3C64XX_GPC_BASE + 0x08) +#define S3C64XX_GPCCONSLP (S3C64XX_GPC_BASE + 0x0c) +#define S3C64XX_GPCPUDSLP (S3C64XX_GPC_BASE + 0x10) + +#define S3C64XX_GPC_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S3C64XX_GPC_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S3C64XX_GPC_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +#define S3C64XX_GPC0_SPI_MISO0 (0x02 << 0) +#define S3C64XX_GPC0_EINT_G2_0 (0x07 << 0) + +#define S3C64XX_GPC1_SPI_CLKO (0x02 << 4) +#define S3C64XX_GPC1_EINT_G2_1 (0x07 << 4) + +#define S3C64XX_GPC2_SPI_MOSIO (0x02 << 8) +#define S3C64XX_GPC2_EINT_G2_2 (0x07 << 8) + +#define S3C64XX_GPC3_SPI_nCSO (0x02 << 12) +#define S3C64XX_GPC3_EINT_G2_3 (0x07 << 12) + +#define S3C64XX_GPC4_SPI_MISO1 (0x02 << 16) +#define S3C64XX_GPC4_MMC2_CMD (0x03 << 16) +#define S3C64XX_GPC4_I2S0_V40_DO (0x05 << 16) +#define S3C64XX_GPC4_EINT_G2_4 (0x07 << 16) + +#define S3C64XX_GPC5_SPI_CLK1 (0x02 << 20) +#define S3C64XX_GPC5_MMC2_CLK (0x03 << 20) +#define S3C64XX_GPC5_I2S1_V40_DO (0x05 << 20) +#define S3C64XX_GPC5_EINT_G2_5 (0x07 << 20) + +#define S3C64XX_GPC6_SPI_MOSI1 (0x02 << 24) +#define S3C64XX_GPC6_EINT_G2_6 (0x07 << 24) + +#define S3C64XX_GPC7_SPI_nCS1 (0x02 << 28) +#define S3C64XX_GPC7_I2S2_V40_DO (0x05 << 28) +#define S3C64XX_GPC7_EINT_G2_7 (0x07 << 28) + From b9f2d172f224181b1053a48cec122f3c4284cbc3 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:48 +0000 Subject: [PATCH 13/31] [ARM] S3C64XX: GPIO definitions for BANKS D,E,F GPIO register and configuration definitions for GPIO banks D, E and F. Signed-off-by: Ben Dooks --- .../plat-s3c64xx/include/plat/gpio-bank-d.h | 49 +++++++++++++ .../plat-s3c64xx/include/plat/gpio-bank-e.h | 44 ++++++++++++ .../plat-s3c64xx/include/plat/gpio-bank-f.h | 71 +++++++++++++++++++ 3 files changed, 164 insertions(+) create mode 100644 arch/arm/plat-s3c64xx/include/plat/gpio-bank-d.h create mode 100644 arch/arm/plat-s3c64xx/include/plat/gpio-bank-e.h create mode 100644 arch/arm/plat-s3c64xx/include/plat/gpio-bank-f.h diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-d.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-d.h new file mode 100644 index 000000000000..6fe4a49c26f0 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-d.h @@ -0,0 +1,49 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-d.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank D register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPDCON (S3C64XX_GPD_BASE + 0x00) +#define S3C64XX_GPDDAT (S3C64XX_GPD_BASE + 0x04) +#define S3C64XX_GPDPUD (S3C64XX_GPD_BASE + 0x08) +#define S3C64XX_GPDCONSLP (S3C64XX_GPD_BASE + 0x0c) +#define S3C64XX_GPDPUDSLP (S3C64XX_GPD_BASE + 0x10) + +#define S3C64XX_GPD_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S3C64XX_GPD_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S3C64XX_GPD_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +#define S3C64XX_GPD0_PCM0_SCLK (0x02 << 0) +#define S3C64XX_GPD0_I2S0_CLK (0x03 << 0) +#define S3C64XX_GPD0_AC97_BITCLK (0x04 << 0) +#define S3C64XX_GPD0_EINT_G3_0 (0x07 << 0) + +#define S3C64XX_GPD1_PCM0_EXTCLK (0x02 << 4) +#define S3C64XX_GPD1_I2S0_CDCLK (0x03 << 4) +#define S3C64XX_GPD1_AC97_nRESET (0x04 << 4) +#define S3C64XX_GPD1_EINT_G3_1 (0x07 << 4) + +#define S3C64XX_GPD2_PCM0_FSYNC (0x02 << 8) +#define S3C64XX_GPD2_I2S0_LRCLK (0x03 << 8) +#define S3C64XX_GPD2_AC97_SYNC (0x04 << 8) +#define S3C64XX_GPD2_EINT_G3_2 (0x07 << 8) + +#define S3C64XX_GPD3_PCM0_SIN (0x02 << 12) +#define S3C64XX_GPD3_I2S0_DI (0x03 << 12) +#define S3C64XX_GPD3_AC97_SDI (0x04 << 12) +#define S3C64XX_GPD3_EINT_G3_3 (0x07 << 12) + +#define S3C64XX_GPD4_PCM0_SOUT (0x02 << 16) +#define S3C64XX_GPD4_I2S0_D0 (0x03 << 16) +#define S3C64XX_GPD4_AC97_SDO (0x04 << 16) +#define S3C64XX_GPD4_EINT_G3_4 (0x07 << 16) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-e.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-e.h new file mode 100644 index 000000000000..7fcf3d8e0a48 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-e.h @@ -0,0 +1,44 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-e.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank E register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPECON (S3C64XX_GPE_BASE + 0x00) +#define S3C64XX_GPEDAT (S3C64XX_GPE_BASE + 0x04) +#define S3C64XX_GPEPUD (S3C64XX_GPE_BASE + 0x08) +#define S3C64XX_GPECONSLP (S3C64XX_GPE_BASE + 0x0c) +#define S3C64XX_GPEPUDSLP (S3C64XX_GPE_BASE + 0x10) + +#define S3C64XX_GPE_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S3C64XX_GPE_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S3C64XX_GPE_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +#define S3C64XX_GPE0_PCM1_SCLK (0x02 << 0) +#define S3C64XX_GPE0_I2S1_CLK (0x03 << 0) +#define S3C64XX_GPE0_AC97_BITCLK (0x04 << 0) + +#define S3C64XX_GPE1_PCM1_EXTCLK (0x02 << 4) +#define S3C64XX_GPE1_I2S1_CDCLK (0x03 << 4) +#define S3C64XX_GPE1_AC97_nRESET (0x04 << 4) + +#define S3C64XX_GPE2_PCM1_FSYNC (0x02 << 8) +#define S3C64XX_GPE2_I2S1_LRCLK (0x03 << 8) +#define S3C64XX_GPE2_AC97_SYNC (0x04 << 8) + +#define S3C64XX_GPE3_PCM1_SIN (0x02 << 12) +#define S3C64XX_GPE3_I2S1_DI (0x03 << 12) +#define S3C64XX_GPE3_AC97_SDI (0x04 << 12) + +#define S3C64XX_GPE4_PCM1_SOUT (0x02 << 16) +#define S3C64XX_GPE4_I2S1_D0 (0x03 << 16) +#define S3C64XX_GPE4_AC97_SDO (0x04 << 16) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-f.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-f.h new file mode 100644 index 000000000000..f3faff974a18 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-f.h @@ -0,0 +1,71 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-f.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank F register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPFCON (S3C64XX_GPF_BASE + 0x00) +#define S3C64XX_GPFDAT (S3C64XX_GPF_BASE + 0x04) +#define S3C64XX_GPFPUD (S3C64XX_GPF_BASE + 0x08) +#define S3C64XX_GPFCONSLP (S3C64XX_GPF_BASE + 0x0c) +#define S3C64XX_GPFPUDSLP (S3C64XX_GPF_BASE + 0x10) + +#define S3C64XX_GPF_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S3C64XX_GPF_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S3C64XX_GPF_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#define S3C64XX_GPF0_CAMIF_CLK (0x02 << 0) +#define S3C64XX_GPF0_EINT_G4_0 (0x03 << 0) + +#define S3C64XX_GPF1_CAMIF_HREF (0x02 << 2) +#define S3C64XX_GPF1_EINT_G4_1 (0x03 << 2) + +#define S3C64XX_GPF2_CAMIF_PCLK (0x02 << 4) +#define S3C64XX_GPF2_EINT_G4_2 (0x03 << 4) + +#define S3C64XX_GPF3_CAMIF_nRST (0x02 << 6) +#define S3C64XX_GPF3_EINT_G4_3 (0x03 << 6) + +#define S3C64XX_GPF4_CAMIF_VSYNC (0x02 << 8) +#define S3C64XX_GPF4_EINT_G4_4 (0x03 << 8) + +#define S3C64XX_GPF5_CAMIF_YDATA0 (0x02 << 10) +#define S3C64XX_GPF5_EINT_G4_5 (0x03 << 10) + +#define S3C64XX_GPF6_CAMIF_YDATA1 (0x02 << 12) +#define S3C64XX_GPF6_EINT_G4_6 (0x03 << 12) + +#define S3C64XX_GPF7_CAMIF_YDATA2 (0x02 << 14) +#define S3C64XX_GPF7_EINT_G4_7 (0x03 << 14) + +#define S3C64XX_GPF8_CAMIF_YDATA3 (0x02 << 16) +#define S3C64XX_GPF8_EINT_G4_8 (0x03 << 16) + +#define S3C64XX_GPF9_CAMIF_YDATA4 (0x02 << 18) +#define S3C64XX_GPF9_EINT_G4_9 (0x03 << 18) + +#define S3C64XX_GPF10_CAMIF_YDATA5 (0x02 << 20) +#define S3C64XX_GPF10_EINT_G4_10 (0x03 << 20) + +#define S3C64XX_GPF11_CAMIF_YDATA6 (0x02 << 22) +#define S3C64XX_GPF11_EINT_G4_11 (0x03 << 22) + +#define S3C64XX_GPF12_CAMIF_YDATA7 (0x02 << 24) +#define S3C64XX_GPF12_EINT_G4_12 (0x03 << 24) + +#define S3C64XX_GPF13_PWM_ECLK (0x02 << 26) +#define S3C64XX_GPF13_EINT_G4_13 (0x03 << 26) + +#define S3C64XX_GPF14_PWM_TOUT0 (0x02 << 28) +#define S3C64XX_GPF14_CLKOUT0 (0x03 << 28) + +#define S3C64XX_GPF15_PWM_TOUT1 (0x02 << 30) + From 4162d7e36334541e9cf5262cb6e1ba4f827eb700 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:49 +0000 Subject: [PATCH 14/31] [ARM] S3C64XX: GPIO definitions for BANKS G,H,I,J GPIO register and configuration definitions for GPIO banks G, H, I and J. Signed-off-by: Ben Dooks --- .../plat-s3c64xx/include/plat/gpio-bank-g.h | 42 +++++++++++ .../plat-s3c64xx/include/plat/gpio-bank-h.h | 74 +++++++++++++++++++ .../plat-s3c64xx/include/plat/gpio-bank-i.h | 40 ++++++++++ .../plat-s3c64xx/include/plat/gpio-bank-j.h | 36 +++++++++ 4 files changed, 192 insertions(+) create mode 100644 arch/arm/plat-s3c64xx/include/plat/gpio-bank-g.h create mode 100644 arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h create mode 100644 arch/arm/plat-s3c64xx/include/plat/gpio-bank-i.h create mode 100644 arch/arm/plat-s3c64xx/include/plat/gpio-bank-j.h diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-g.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-g.h new file mode 100644 index 000000000000..35bbd2378e55 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-g.h @@ -0,0 +1,42 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-g.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank G register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPGCON (S3C64XX_GPG_BASE + 0x00) +#define S3C64XX_GPGDAT (S3C64XX_GPG_BASE + 0x04) +#define S3C64XX_GPGPUD (S3C64XX_GPG_BASE + 0x08) +#define S3C64XX_GPGCONSLP (S3C64XX_GPG_BASE + 0x0c) +#define S3C64XX_GPGPUDSLP (S3C64XX_GPG_BASE + 0x10) + +#define S3C64XX_GPG_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S3C64XX_GPG_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S3C64XX_GPG_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +#define S3C64XX_GPG0_MMC0_CLK (0x02 << 0) +#define S3C64XX_GPG0_EINT_G5_0 (0x07 << 0) + +#define S3C64XX_GPG1_MMC0_CMD (0x02 << 4) +#define S3C64XX_GPG1_EINT_G5_1 (0x07 << 4) + +#define S3C64XX_GPG2_MMC0_DATA0 (0x02 << 8) +#define S3C64XX_GPG2_EINT_G5_2 (0x07 << 8) + +#define S3C64XX_GPG3_MMC0_DATA1 (0x02 << 12) +#define S3C64XX_GPG3_EINT_G5_3 (0x07 << 12) + +#define S3C64XX_GPG4_MMC0_DATA2 (0x02 << 16) +#define S3C64XX_GPG4_EINT_G5_4 (0x07 << 16) + +#define S3C64XX_GPG5_MMC0_DATA3 (0x02 << 20) +#define S3C64XX_GPG5_EINT_G5_5 (0x07 << 20) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h new file mode 100644 index 000000000000..81549516572f --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h @@ -0,0 +1,74 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank H register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPHCON0 (S3C64XX_GPH_BASE + 0x00) +#define S3C64XX_GPHCON1 (S3C64XX_GPH_BASE + 0x04) +#define S3C64XX_GPHDAT (S3C64XX_GPH_BASE + 0x08) +#define S3C64XX_GPHPUD (S3C64XX_GPH_BASE + 0x0c) +#define S3C64XX_GPHCONSLP (S3C64XX_GPH_BASE + 0x10) +#define S3C64XX_GPHPUDSLP (S3C64XX_GPH_BASE + 0x14) + +#define S3C64XX_GPH_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S3C64XX_GPH_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S3C64XX_GPH_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +#define S3C64XX_GPH0_MMC1_CLK (0x02 << 0) +#define S3C64XX_GPH0_KP_COL0 (0x04 << 0) +#define S3C64XX_GPH0_EINT_G6_0 (0x07 << 0) + +#define S3C64XX_GPH1_MMC1_CMD (0x02 << 4) +#define S3C64XX_GPH1_KP_COL1 (0x04 << 4) +#define S3C64XX_GPH1_EINT_G6_1 (0x07 << 4) + +#define S3C64XX_GPH2_MMC1_DATA0 (0x02 << 8) +#define S3C64XX_GPH2_KP_COL2 (0x04 << 8) +#define S3C64XX_GPH2_EINT_G6_2 (0x07 << 8) + +#define S3C64XX_GPH3_MMC1_DATA1 (0x02 << 12) +#define S3C64XX_GPH3_KP_COL3 (0x04 << 12) +#define S3C64XX_GPH3_EINT_G6_3 (0x07 << 12) + +#define S3C64XX_GPH4_MMC1_DATA2 (0x02 << 16) +#define S3C64XX_GPH4_KP_COL4 (0x04 << 16) +#define S3C64XX_GPH4_EINT_G6_4 (0x07 << 16) + +#define S3C64XX_GPH5_MMC1_DATA3 (0x02 << 20) +#define S3C64XX_GPH5_KP_COL5 (0x04 << 20) +#define S3C64XX_GPH5_EINT_G6_5 (0x07 << 20) + +#define S3C64XX_GPH6_MMC1_DATA4 (0x02 << 24) +#define S3C64XX_GPH6_MMC2_DATA0 (0x03 << 24) +#define S3C64XX_GPH6_KP_COL6 (0x04 << 24) +#define S3C64XX_GPH6_I2S_V40_BCLK (0x05 << 24) +#define S3C64XX_GPH6_ADDR_CF0 (0x06 << 24) +#define S3C64XX_GPH6_EINT_G6_6 (0x07 << 24) + +#define S3C64XX_GPH7_MMC1_DATA5 (0x02 << 28) +#define S3C64XX_GPH7_MMC2_DATA1 (0x03 << 28) +#define S3C64XX_GPH7_KP_COL7 (0x04 << 28) +#define S3C64XX_GPH7_I2S_V40_CDCLK (0x05 << 28) +#define S3C64XX_GPH7_ADDR_CF1 (0x06 << 28) +#define S3C64XX_GPH7_EINT_G6_7 (0x07 << 28) + +#define S3C64XX_GPH8_MMC1_DATA6 (0x02 << 32) +#define S3C64XX_GPH8_MMC2_DATA2 (0x03 << 32) +#define S3C64XX_GPH8_I2S_V40_LRCLK (0x05 << 32) +#define S3C64XX_GPH8_ADDR_CF2 (0x06 << 32) +#define S3C64XX_GPH8_EINT_G6_8 (0x07 << 32) + +#define S3C64XX_GPH9_MMC1_DATA7 (0x02 << 36) +#define S3C64XX_GPH9_MMC2_DATA3 (0x03 << 36) +#define S3C64XX_GPH9_I2S_V40_DI (0x05 << 36) +#define S3C64XX_GPH9_EINT_G6_9 (0x07 << 36) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-i.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-i.h new file mode 100644 index 000000000000..ce9ebe335566 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-i.h @@ -0,0 +1,40 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-i.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank I register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPICON (S3C64XX_GPI_BASE + 0x00) +#define S3C64XX_GPIDAT (S3C64XX_GPI_BASE + 0x04) +#define S3C64XX_GPIPUD (S3C64XX_GPI_BASE + 0x08) +#define S3C64XX_GPICONSLP (S3C64XX_GPI_BASE + 0x0c) +#define S3C64XX_GPIPUDSLP (S3C64XX_GPI_BASE + 0x10) + +#define S3C64XX_GPI_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S3C64XX_GPI_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S3C64XX_GPI_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#define S3C64XX_GPI0_VD0 (0x02 << 0) +#define S3C64XX_GPI1_VD1 (0x02 << 2) +#define S3C64XX_GPI2_VD2 (0x02 << 4) +#define S3C64XX_GPI3_VD3 (0x02 << 6) +#define S3C64XX_GPI4_VD4 (0x02 << 8) +#define S3C64XX_GPI5_VD5 (0x02 << 10) +#define S3C64XX_GPI6_VD6 (0x02 << 12) +#define S3C64XX_GPI7_VD7 (0x02 << 14) +#define S3C64XX_GPI8_VD8 (0x02 << 16) +#define S3C64XX_GPI9_VD9 (0x02 << 18) +#define S3C64XX_GPI10_VD10 (0x02 << 20) +#define S3C64XX_GPI11_VD11 (0x02 << 22) +#define S3C64XX_GPI12_VD12 (0x02 << 24) +#define S3C64XX_GPI13_VD13 (0x02 << 26) +#define S3C64XX_GPI14_VD14 (0x02 << 28) +#define S3C64XX_GPI15_VD15 (0x02 << 30) diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-j.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-j.h new file mode 100644 index 000000000000..21a906299d30 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-j.h @@ -0,0 +1,36 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-j.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank J register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPJCON (S3C64XX_GPJ_BASE + 0x00) +#define S3C64XX_GPJDAT (S3C64XX_GPJ_BASE + 0x04) +#define S3C64XX_GPJPUD (S3C64XX_GPJ_BASE + 0x08) +#define S3C64XX_GPJCONSLP (S3C64XX_GPJ_BASE + 0x0c) +#define S3C64XX_GPJPUDSLP (S3C64XX_GPJ_BASE + 0x10) + +#define S3C64XX_GPJ_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S3C64XX_GPJ_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S3C64XX_GPJ_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#define S3C64XX_GPJ0_VD16 (0x02 << 0) +#define S3C64XX_GPJ1_VD17 (0x02 << 2) +#define S3C64XX_GPJ2_VD18 (0x02 << 4) +#define S3C64XX_GPJ3_VD19 (0x02 << 6) +#define S3C64XX_GPJ4_VD20 (0x02 << 8) +#define S3C64XX_GPJ5_VD21 (0x02 << 10) +#define S3C64XX_GPJ6_VD22 (0x02 << 12) +#define S3C64XX_GPJ7_VD23 (0x02 << 14) +#define S3C64XX_GPJ8_LCD_HSYNC (0x02 << 16) +#define S3C64XX_GPJ9_LCD_VSYNC (0x02 << 18) +#define S3C64XX_GPJ10_LCD_VDEN (0x02 << 20) +#define S3C64XX_GPJ11_LCD_VCLK (0x02 << 22) From 26da1bfc567e10ca20cf2ffa97dcdcbd5112275b Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:50 +0000 Subject: [PATCH 15/31] [ARM] S3C64XX: GPIO definitions for BANKS N,O,P,Q GPIO register and configuration definitions for GPIO banks N, O, P and Q. Signed-off-by: Ben Dooks --- .../plat-s3c64xx/include/plat/gpio-bank-n.h | 54 ++++++++++++++ .../plat-s3c64xx/include/plat/gpio-bank-o.h | 70 +++++++++++++++++++ .../plat-s3c64xx/include/plat/gpio-bank-p.h | 69 ++++++++++++++++++ .../plat-s3c64xx/include/plat/gpio-bank-q.h | 46 ++++++++++++ 4 files changed, 239 insertions(+) create mode 100644 arch/arm/plat-s3c64xx/include/plat/gpio-bank-n.h create mode 100644 arch/arm/plat-s3c64xx/include/plat/gpio-bank-o.h create mode 100644 arch/arm/plat-s3c64xx/include/plat/gpio-bank-p.h create mode 100644 arch/arm/plat-s3c64xx/include/plat/gpio-bank-q.h diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-n.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-n.h new file mode 100644 index 000000000000..569e76120881 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-n.h @@ -0,0 +1,54 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-n.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank N register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPNCON (S3C64XX_GPN_BASE + 0x00) +#define S3C64XX_GPNDAT (S3C64XX_GPN_BASE + 0x04) +#define S3C64XX_GPNPUD (S3C64XX_GPN_BASE + 0x08) + +#define S3C64XX_GPN_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S3C64XX_GPN_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S3C64XX_GPN_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#define S3C64XX_GPN0_EINT0 (0x02 << 0) +#define S3C64XX_GPN0_KP_ROW0 (0x03 << 0) + +#define S3C64XX_GPN1_EINT1 (0x02 << 2) +#define S3C64XX_GPN1_KP_ROW1 (0x03 << 2) + +#define S3C64XX_GPN2_EINT2 (0x02 << 4) +#define S3C64XX_GPN2_KP_ROW2 (0x03 << 4) + +#define S3C64XX_GPN3_EINT3 (0x02 << 6) +#define S3C64XX_GPN3_KP_ROW3 (0x03 << 6) + +#define S3C64XX_GPN4_EINT4 (0x02 << 8) +#define S3C64XX_GPN4_KP_ROW4 (0x03 << 8) + +#define S3C64XX_GPN5_EINT5 (0x02 << 10) +#define S3C64XX_GPN5_KP_ROW5 (0x03 << 10) + +#define S3C64XX_GPN6_EINT6 (0x02 << 12) +#define S3C64XX_GPN6_KP_ROW6 (0x03 << 12) + +#define S3C64XX_GPN7_EINT7 (0x02 << 14) +#define S3C64XX_GPN7_KP_ROW7 (0x03 << 14) + +#define S3C64XX_GPN8_EINT8 (0x02 << 16) +#define S3C64XX_GPN9_EINT9 (0x02 << 18) +#define S3C64XX_GPN10_EINT10 (0x02 << 20) +#define S3C64XX_GPN11_EINT11 (0x02 << 22) +#define S3C64XX_GPN12_EINT12 (0x02 << 24) +#define S3C64XX_GPN13_EINT13 (0x02 << 26) +#define S3C64XX_GPN14_EINT14 (0x02 << 28) +#define S3C64XX_GPN15_EINT15 (0x02 << 30) diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-o.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-o.h new file mode 100644 index 000000000000..b09e12954b57 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-o.h @@ -0,0 +1,70 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-o.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank O register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPOCON (S3C64XX_GPO_BASE + 0x00) +#define S3C64XX_GPODAT (S3C64XX_GPO_BASE + 0x04) +#define S3C64XX_GPOPUD (S3C64XX_GPO_BASE + 0x08) +#define S3C64XX_GPOCONSLP (S3C64XX_GPO_BASE + 0x0c) +#define S3C64XX_GPOPUDSLP (S3C64XX_GPO_BASE + 0x10) + +#define S3C64XX_GPO_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S3C64XX_GPO_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S3C64XX_GPO_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#define S3C64XX_GPO0_MEM0_nCS2 (0x02 << 0) +#define S3C64XX_GPO0_EINT_G7_0 (0x03 << 0) + +#define S3C64XX_GPO1_MEM0_nCS3 (0x02 << 2) +#define S3C64XX_GPO1_EINT_G7_1 (0x03 << 2) + +#define S3C64XX_GPO2_MEM0_nCS4 (0x02 << 4) +#define S3C64XX_GPO2_EINT_G7_2 (0x03 << 4) + +#define S3C64XX_GPO3_MEM0_nCS5 (0x02 << 6) +#define S3C64XX_GPO3_EINT_G7_3 (0x03 << 6) + +#define S3C64XX_GPO4_EINT_G7_4 (0x03 << 8) + +#define S3C64XX_GPO5_EINT_G7_5 (0x03 << 10) + +#define S3C64XX_GPO6_MEM0_ADDR6 (0x02 << 12) +#define S3C64XX_GPO6_EINT_G7_6 (0x03 << 12) + +#define S3C64XX_GPO7_MEM0_ADDR7 (0x02 << 14) +#define S3C64XX_GPO7_EINT_G7_7 (0x03 << 14) + +#define S3C64XX_GPO8_MEM0_ADDR8 (0x02 << 16) +#define S3C64XX_GPO8_EINT_G7_8 (0x03 << 16) + +#define S3C64XX_GPO9_MEM0_ADDR9 (0x02 << 18) +#define S3C64XX_GPO9_EINT_G7_9 (0x03 << 18) + +#define S3C64XX_GPO10_MEM0_ADDR10 (0x02 << 20) +#define S3C64XX_GPO10_EINT_G7_10 (0x03 << 20) + +#define S3C64XX_GPO11_MEM0_ADDR11 (0x02 << 22) +#define S3C64XX_GPO11_EINT_G7_11 (0x03 << 22) + +#define S3C64XX_GPO12_MEM0_ADDR12 (0x02 << 24) +#define S3C64XX_GPO12_EINT_G7_12 (0x03 << 24) + +#define S3C64XX_GPO13_MEM0_ADDR13 (0x02 << 26) +#define S3C64XX_GPO13_EINT_G7_13 (0x03 << 26) + +#define S3C64XX_GPO14_MEM0_ADDR14 (0x02 << 28) +#define S3C64XX_GPO14_EINT_G7_14 (0x03 << 28) + +#define S3C64XX_GPO15_MEM0_ADDR15 (0x02 << 30) +#define S3C64XX_GPO15_EINT_G7_15 (0x03 << 30) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-p.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-p.h new file mode 100644 index 000000000000..92f00517926b --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-p.h @@ -0,0 +1,69 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-p.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank P register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPPCON (S3C64XX_GPP_BASE + 0x00) +#define S3C64XX_GPPDAT (S3C64XX_GPP_BASE + 0x04) +#define S3C64XX_GPPPUD (S3C64XX_GPP_BASE + 0x08) +#define S3C64XX_GPPCONSLP (S3C64XX_GPP_BASE + 0x0c) +#define S3C64XX_GPPPUDSLP (S3C64XX_GPP_BASE + 0x10) + +#define S3C64XX_GPP_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S3C64XX_GPP_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S3C64XX_GPP_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#define S3C64XX_GPP0_MEM0_ADDRV (0x02 << 0) +#define S3C64XX_GPP0_EINT_G8_0 (0x03 << 0) + +#define S3C64XX_GPP1_MEM0_SMCLK (0x02 << 2) +#define S3C64XX_GPP1_EINT_G8_1 (0x03 << 2) + +#define S3C64XX_GPP2_MEM0_nWAIT (0x02 << 4) +#define S3C64XX_GPP2_EINT_G8_2 (0x03 << 4) + +#define S3C64XX_GPP3_MEM0_RDY0_ALE (0x02 << 6) +#define S3C64XX_GPP3_EINT_G8_3 (0x03 << 6) + +#define S3C64XX_GPP4_MEM0_RDY1_CLE (0x02 << 8) +#define S3C64XX_GPP4_EINT_G8_4 (0x03 << 8) + +#define S3C64XX_GPP5_MEM0_INTsm0_FWE (0x02 << 10) +#define S3C64XX_GPP5_EINT_G8_5 (0x03 << 10) + +#define S3C64XX_GPP6_MEM0_(null) (0x02 << 12) +#define S3C64XX_GPP6_EINT_G8_6 (0x03 << 12) + +#define S3C64XX_GPP7_MEM0_INTsm1_FRE (0x02 << 14) +#define S3C64XX_GPP7_EINT_G8_7 (0x03 << 14) + +#define S3C64XX_GPP8_MEM0_RPn_RnB (0x02 << 16) +#define S3C64XX_GPP8_EINT_G8_8 (0x03 << 16) + +#define S3C64XX_GPP9_MEM0_ATA_RESET (0x02 << 18) +#define S3C64XX_GPP9_EINT_G8_9 (0x03 << 18) + +#define S3C64XX_GPP10_MEM0_ATA_INPACK (0x02 << 20) +#define S3C64XX_GPP10_EINT_G8_10 (0x03 << 20) + +#define S3C64XX_GPP11_MEM0_ATA_REG (0x02 << 22) +#define S3C64XX_GPP11_EINT_G8_11 (0x03 << 22) + +#define S3C64XX_GPP12_MEM0_ATA_WE (0x02 << 24) +#define S3C64XX_GPP12_EINT_G8_12 (0x03 << 24) + +#define S3C64XX_GPP13_MEM0_ATA_OE (0x02 << 26) +#define S3C64XX_GPP13_EINT_G8_13 (0x03 << 26) + +#define S3C64XX_GPP14_MEM0_ATA_CD (0x02 << 28) +#define S3C64XX_GPP14_EINT_G8_14 (0x03 << 28) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-q.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-q.h new file mode 100644 index 000000000000..565e60aaee47 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-q.h @@ -0,0 +1,46 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-q.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank Q register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPQCON (S3C64XX_GPQ_BASE + 0x00) +#define S3C64XX_GPQDAT (S3C64XX_GPQ_BASE + 0x04) +#define S3C64XX_GPQPUD (S3C64XX_GPQ_BASE + 0x08) +#define S3C64XX_GPQCONSLP (S3C64XX_GPQ_BASE + 0x0c) +#define S3C64XX_GPQPUDSLP (S3C64XX_GPQ_BASE + 0x10) + +#define S3C64XX_GPQ_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S3C64XX_GPQ_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S3C64XX_GPQ_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#define S3C64XX_GPQ0_MEM0_ADDR18_RAS (0x02 << 0) +#define S3C64XX_GPQ0_EINT_G9_0 (0x03 << 0) + +#define S3C64XX_GPQ1_MEM0_ADDR19_CAS (0x02 << 2) +#define S3C64XX_GPQ1_EINT_G9_1 (0x03 << 2) + +#define S3C64XX_GPQ2_EINT_G9_2 (0x03 << 4) + +#define S3C64XX_GPQ3_EINT_G9_3 (0x03 << 6) + +#define S3C64XX_GPQ4_EINT_G9_4 (0x03 << 8) + +#define S3C64XX_GPQ5_EINT_G9_5 (0x03 << 10) + +#define S3C64XX_GPQ6_EINT_G9_6 (0x03 << 12) + +#define S3C64XX_GPQ7_MEM0_ADDR17_WENDMC (0x02 << 14) +#define S3C64XX_GPQ7_EINT_G9_7 (0x03 << 14) + +#define S3C64XX_GPQ8_MEM0_ADDR16_APDMC (0x02 << 16) +#define S3C64XX_GPQ8_EINT_G9_8 (0x03 << 16) + From 55132b8b4630a4b03d5c5556808c8d3866381536 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:51 +0000 Subject: [PATCH 16/31] [ARM] S3C64XX: Add i2c device setup for I2C device 0 Add the necessary device initialisation information for I2C device 0. Signed-off-by: Ben Dooks --- arch/arm/plat-s3c64xx/Kconfig | 11 +++++++++++ arch/arm/plat-s3c64xx/Makefile | 4 ++++ arch/arm/plat-s3c64xx/setup-i2c0.c | 31 ++++++++++++++++++++++++++++++ 3 files changed, 46 insertions(+) create mode 100644 arch/arm/plat-s3c64xx/setup-i2c0.c diff --git a/arch/arm/plat-s3c64xx/Kconfig b/arch/arm/plat-s3c64xx/Kconfig index 842200abeb36..0bcbe663e2f0 100644 --- a/arch/arm/plat-s3c64xx/Kconfig +++ b/arch/arm/plat-s3c64xx/Kconfig @@ -37,4 +37,15 @@ config CPU_S3C6400_CLOCK Common clock support code for the S3C6400 that is shared by other CPUs in the series, such as the S3C6410. +# platform specific device setup + +config S3C64XX_SETUP_I2C0 + bool + default y + help + Common setup code for i2c bus 0. + + Note, currently since i2c0 is always compiled, this setup helper + is always compiled with it. + endif diff --git a/arch/arm/plat-s3c64xx/Makefile b/arch/arm/plat-s3c64xx/Makefile index a5b7c388351e..469f066daab7 100644 --- a/arch/arm/plat-s3c64xx/Makefile +++ b/arch/arm/plat-s3c64xx/Makefile @@ -23,3 +23,7 @@ obj-y += gpiolib.o obj-$(CONFIG_CPU_S3C6400_INIT) += s3c6400-init.o obj-$(CONFIG_CPU_S3C6400_CLOCK) += s3c6400-clock.o + +# Device setup + +obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o diff --git a/arch/arm/plat-s3c64xx/setup-i2c0.c b/arch/arm/plat-s3c64xx/setup-i2c0.c new file mode 100644 index 000000000000..364480763728 --- /dev/null +++ b/arch/arm/plat-s3c64xx/setup-i2c0.c @@ -0,0 +1,31 @@ +/* linux/arch/arm/plat-s3c64xx/setup-i2c0.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * Base S3C64XX I2C bus 0 gpio configuration + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include + +struct platform_device; /* don't need the contents */ + +#include +#include +#include +#include + +void s3c_i2c0_cfg_gpio(struct platform_device *dev) +{ + s3c_gpio_cfgpin(S3C64XX_GPB(5), S3C64XX_GPB5_I2C_SCL0); + s3c_gpio_cfgpin(S3C64XX_GPB(6), S3C64XX_GPB6_I2C_SDA0); + s3c_gpio_setpull(S3C64XX_GPB(5), S3C_GPIO_PULL_UP); + s3c_gpio_setpull(S3C64XX_GPB(6), S3C_GPIO_PULL_UP); +} From d85fa24c517b5f67646ed42bffa870bcf8bdda63 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:52 +0000 Subject: [PATCH 17/31] [ARM] SMDK6410: Add i2c device Add i2c bus 0 to the configuration Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6410/mach-smdk6410.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c6410/mach-smdk6410.c index 609d5bd0812f..d58c83d31a06 100644 --- a/arch/arm/mach-s3c6410/mach-smdk6410.c +++ b/arch/arm/mach-s3c6410/mach-smdk6410.c @@ -32,6 +32,7 @@ #include #include +#include #include #include @@ -63,6 +64,7 @@ struct map_desc smdk6410_iodesc[] = {}; static struct platform_device *smdk6410_devices[] __initdata = { &s3c_device_hsmmc0, + &s3c_device_i2c0, }; extern void s3c64xx_init_io(struct map_desc *, int); @@ -76,6 +78,7 @@ static void __init smdk6410_map_io(void) static void __init smdk6410_machine_init(void) { + s3c_i2c0_set_platdata(NULL); platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices)); } From f9e2f3453c2357b56870b483fbc4bfd950456625 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:56 +0000 Subject: [PATCH 18/31] [ARM] S3C64XX: Setup functions for i2c bus 1. Add common gpio setup for i2c bus 1 on all current S3C64XX architectures. Signed-off-by: Ben Dooks --- arch/arm/plat-s3c64xx/Kconfig | 5 +++++ arch/arm/plat-s3c64xx/Makefile | 1 + arch/arm/plat-s3c64xx/setup-i2c1.c | 31 ++++++++++++++++++++++++++++++ 3 files changed, 37 insertions(+) create mode 100644 arch/arm/plat-s3c64xx/setup-i2c1.c diff --git a/arch/arm/plat-s3c64xx/Kconfig b/arch/arm/plat-s3c64xx/Kconfig index 0bcbe663e2f0..9037eb470761 100644 --- a/arch/arm/plat-s3c64xx/Kconfig +++ b/arch/arm/plat-s3c64xx/Kconfig @@ -48,4 +48,9 @@ config S3C64XX_SETUP_I2C0 Note, currently since i2c0 is always compiled, this setup helper is always compiled with it. +config S3C64XX_SETUP_I2C1 + bool + help + Common setup code for i2c bus 1. + endif diff --git a/arch/arm/plat-s3c64xx/Makefile b/arch/arm/plat-s3c64xx/Makefile index 469f066daab7..0a0b8c48a3e6 100644 --- a/arch/arm/plat-s3c64xx/Makefile +++ b/arch/arm/plat-s3c64xx/Makefile @@ -27,3 +27,4 @@ obj-$(CONFIG_CPU_S3C6400_CLOCK) += s3c6400-clock.o # Device setup obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o +obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o diff --git a/arch/arm/plat-s3c64xx/setup-i2c1.c b/arch/arm/plat-s3c64xx/setup-i2c1.c new file mode 100644 index 000000000000..bbe229bd90ca --- /dev/null +++ b/arch/arm/plat-s3c64xx/setup-i2c1.c @@ -0,0 +1,31 @@ +/* linux/arch/arm/plat-s3c64xx/setup-i2c1.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * Base S3C64XX I2C bus 1 gpio configuration + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include + +struct platform_device; /* don't need the contents */ + +#include +#include +#include +#include + +void s3c_i2c1_cfg_gpio(struct platform_device *dev) +{ + s3c_gpio_cfgpin(S3C64XX_GPB(2), S3C64XX_GPB2_I2C_SCL1); + s3c_gpio_cfgpin(S3C64XX_GPB(3), S3C64XX_GPB3_I2C_SDA1); + s3c_gpio_setpull(S3C64XX_GPB(2), S3C_GPIO_PULL_UP); + s3c_gpio_setpull(S3C64XX_GPB(3), S3C_GPIO_PULL_UP); +} From d7ea3743ca9939eb71931dedb613d14ff7201d02 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:57 +0000 Subject: [PATCH 19/31] [ARM] SMDK6410: Add second I2C channel. Add the second I2C channel on the SMDK6410. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6410/Kconfig | 2 ++ arch/arm/mach-s3c6410/mach-smdk6410.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/arch/arm/mach-s3c6410/Kconfig b/arch/arm/mach-s3c6410/Kconfig index 32bdc93fc1ff..2462693a1128 100644 --- a/arch/arm/mach-s3c6410/Kconfig +++ b/arch/arm/mach-s3c6410/Kconfig @@ -23,6 +23,8 @@ config MACH_SMDK6410 bool "SMDK6410" select CPU_S3C6410 select S3C_DEV_HSMMC + select S3C_DEV_I2C1 select S3C6410_SETUP_SDHCI + select S3C64XX_SETUP_I2C1 help Machine support for the Samsung SMDK6410 diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c6410/mach-smdk6410.c index d58c83d31a06..8d7101aab759 100644 --- a/arch/arm/mach-s3c6410/mach-smdk6410.c +++ b/arch/arm/mach-s3c6410/mach-smdk6410.c @@ -65,6 +65,7 @@ struct map_desc smdk6410_iodesc[] = {}; static struct platform_device *smdk6410_devices[] __initdata = { &s3c_device_hsmmc0, &s3c_device_i2c0, + &s3c_device_i2c1, }; extern void s3c64xx_init_io(struct map_desc *, int); @@ -79,6 +80,7 @@ static void __init smdk6410_map_io(void) static void __init smdk6410_machine_init(void) { s3c_i2c0_set_platdata(NULL); + s3c_i2c1_set_platdata(NULL); platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices)); } From 096941ed1e4b3ded5eded1b3f4208b8e35d5d3c3 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:59 +0000 Subject: [PATCH 20/31] [ARM] SMDK6410: Add I2C device board information Add the I2C devices on the SMDK6410. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6410/mach-smdk6410.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c6410/mach-smdk6410.c index 8d7101aab759..e845b2a1becf 100644 --- a/arch/arm/mach-s3c6410/mach-smdk6410.c +++ b/arch/arm/mach-s3c6410/mach-smdk6410.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include @@ -68,6 +69,16 @@ static struct platform_device *smdk6410_devices[] __initdata = { &s3c_device_i2c1, }; + +static struct i2c_board_info i2c_devs0[] __initdata = { + { I2C_BOARD_INFO("24c08", 0x50), }, + { I2C_BOARD_INFO("WM8580", 0X1b), }, +}; + +static struct i2c_board_info i2c_devs1[] __initdata = { + { I2C_BOARD_INFO("24c128", 0x57), }, /* Samsung S524AD0XD1 */ +}; + extern void s3c64xx_init_io(struct map_desc *, int); static void __init smdk6410_map_io(void) @@ -81,6 +92,10 @@ static void __init smdk6410_machine_init(void) { s3c_i2c0_set_platdata(NULL); s3c_i2c1_set_platdata(NULL); + + i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0)); + i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1)); + platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices)); } From 4f507d19ca9e2d703527072f7d8eeb0f0241d6b9 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:15:00 +0000 Subject: [PATCH 21/31] [ARM] S3C: Add header for initial i2c device core setup. Add a header to define setup functions for the i2c devices. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6410/cpu.c | 5 ++++ arch/arm/plat-s3c/include/plat/iic-core.h | 35 +++++++++++++++++++++++ 2 files changed, 40 insertions(+) create mode 100644 arch/arm/plat-s3c/include/plat/iic-core.h diff --git a/arch/arm/mach-s3c6410/cpu.c b/arch/arm/mach-s3c6410/cpu.c index 137918e7711f..6a73ca6b7a3a 100644 --- a/arch/arm/mach-s3c6410/cpu.c +++ b/arch/arm/mach-s3c6410/cpu.c @@ -36,6 +36,7 @@ #include #include #include +#include #include #include @@ -56,6 +57,10 @@ void __init s3c6410_map_io(void) /* initialise device information early */ s3c6410_default_sdhci0(); s3c6410_default_sdhci1(); + + /* the i2c devices are directly compatible with s3c2440 */ + s3c_i2c0_setname("s3c2440-i2c"); + s3c_i2c1_setname("s3c2440-i2c"); } void __init s3c6410_init_clocks(int xtal) diff --git a/arch/arm/plat-s3c/include/plat/iic-core.h b/arch/arm/plat-s3c/include/plat/iic-core.h new file mode 100644 index 000000000000..36397ca20962 --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/iic-core.h @@ -0,0 +1,35 @@ +/* arch/arm/mach-s3c2410/include/mach/iic-core.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * + * S3C - I2C Controller core functions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_IIC_CORE_H +#define __ASM_ARCH_IIC_CORE_H __FILE__ + +/* These functions are only for use with the core support code, such as + * the cpu specific initialisation code + */ + +/* re-define device name depending on support. */ +static inline void s3c_i2c0_setname(char *name) +{ + /* currently this device is always compiled in */ + s3c_device_i2c0.name = name; +} + +static inline void s3c_i2c1_setname(char *name) +{ +#ifdef CONFIG_S3C_DEV_I2C1 + s3c_device_i2c1.name = name; +#endif +} + +#endif /* __ASM_ARCH_IIC_H */ From b24636cff11fc7953e3a7f1a9b905349c0b838bf Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Mon, 3 Nov 2008 20:14:53 +0000 Subject: [PATCH 22/31] [ARM] SMDK6410: Add availability of second hsmmc channel Add SDHCI channel 1. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6410/Kconfig | 30 +++++++++++++++++++++++++++ arch/arm/mach-s3c6410/mach-smdk6410.c | 6 +++++- 2 files changed, 35 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-s3c6410/Kconfig b/arch/arm/mach-s3c6410/Kconfig index 2462693a1128..d00b5605100d 100644 --- a/arch/arm/mach-s3c6410/Kconfig +++ b/arch/arm/mach-s3c6410/Kconfig @@ -23,8 +23,38 @@ config MACH_SMDK6410 bool "SMDK6410" select CPU_S3C6410 select S3C_DEV_HSMMC + select S3C_DEV_HSMMC1 select S3C_DEV_I2C1 select S3C6410_SETUP_SDHCI select S3C64XX_SETUP_I2C1 help Machine support for the Samsung SMDK6410 + +# At least some of the SMDK6410s were shipped with the card detect +# for the MMC/SD slots connected to the same input. This means that +# either the boards need to be altered to have channel0 to an alternate +# configuration or that only one slot can be used. + +choice + prompt "SMDK6410 MMC/SD slot setup" + depends on MACH_SMDK6410 + +config SMDK6410_SD_CH0 + bool "Use channel 0 only" + depends on MACH_SMDK6410 + help + Select CON7 (channel 0) as the MMC/SD slot, as + at least some SMDK6410 boards come with the + resistors fitted so that the card detects for + channels 0 and 1 are the same. + +config SMDK6410_SD_CH1 + bool "Use channel 1 only" + depends on MACH_SMDK6410 + help + Select CON6 (channel 1) as the MMC/SD slot, as + at least some SMDK6410 boards come with the + resistors fitted so that the card detects for + channels 0 and 1 are the same. + +endchoice diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c6410/mach-smdk6410.c index e845b2a1becf..b900244a91d3 100644 --- a/arch/arm/mach-s3c6410/mach-smdk6410.c +++ b/arch/arm/mach-s3c6410/mach-smdk6410.c @@ -64,12 +64,16 @@ static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = { struct map_desc smdk6410_iodesc[] = {}; static struct platform_device *smdk6410_devices[] __initdata = { +#ifdef CONFIG_SMDK6410_SD_CH0 &s3c_device_hsmmc0, +#endif +#ifdef CONFIG_SMDK6410_SD_CH1 + &s3c_device_hsmmc1, +#endif &s3c_device_i2c0, &s3c_device_i2c1, }; - static struct i2c_board_info i2c_devs0[] __initdata = { { I2C_BOARD_INFO("24c08", 0x50), }, { I2C_BOARD_INFO("WM8580", 0X1b), }, From 6c874d6fa851191bd8b9c0fce39a2d3c1ee06f96 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Mon, 3 Nov 2008 20:14:55 +0000 Subject: [PATCH 23/31] [ARM] s3c6400_defconfig: Add I2C driver and devices Add the new I2C driver and the EEPROM devices to the system, as well as update to the latest kernel. Signed-off-by: Ben Dooks --- arch/arm/configs/s3c6400_defconfig | 130 +++++++++++++++++++++++++++-- 1 file changed, 121 insertions(+), 9 deletions(-) diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig index 3a50716d443b..559c44404e91 100644 --- a/arch/arm/configs/s3c6400_defconfig +++ b/arch/arm/configs/s3c6400_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.27 -# Fri Oct 17 09:20:54 2008 +# Linux kernel version: 2.6.28-rc3 +# Mon Nov 3 10:07:29 2008 # CONFIG_ARM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y @@ -116,6 +116,7 @@ CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" CONFIG_CLASSIC_RCU=y +# CONFIG_FREEZER is not set # # System Type @@ -152,16 +153,17 @@ CONFIG_CLASSIC_RCU=y # CONFIG_ARCH_RPC is not set # CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_S3C2410 is not set -# CONFIG_ARCH_S3C24A0 is not set CONFIG_ARCH_S3C64XX=y # CONFIG_ARCH_SHARK is not set # CONFIG_ARCH_LH7A40X is not set # CONFIG_ARCH_DAVINCI is not set # CONFIG_ARCH_OMAP is not set -# CONFIG_ARCH_MSM7X00A is not set +# CONFIG_ARCH_MSM is not set CONFIG_PLAT_S3C64XX=y CONFIG_CPU_S3C6400_INIT=y CONFIG_CPU_S3C6400_CLOCK=y +CONFIG_S3C64XX_SETUP_I2C0=y +CONFIG_S3C64XX_SETUP_I2C1=y CONFIG_PLAT_S3C=y # @@ -173,8 +175,19 @@ CONFIG_S3C_BOOT_ERROR_RESET=y # Power management # CONFIG_S3C_LOWLEVEL_UART_PORT=0 +CONFIG_S3C_GPIO_SPACE=0 +CONFIG_S3C_GPIO_TRACK=y +CONFIG_S3C_GPIO_PULL_UPDOWN=y +CONFIG_S3C_GPIO_CFG_S3C24XX=y +CONFIG_S3C_GPIO_CFG_S3C64XX=y +CONFIG_S3C_DEV_HSMMC=y +CONFIG_S3C_DEV_HSMMC1=y +CONFIG_S3C_DEV_I2C1=y CONFIG_CPU_S3C6410=y +CONFIG_S3C6410_SETUP_SDHCI=y CONFIG_MACH_SMDK6410=y +CONFIG_SMDK6410_SD_CH0=y +# CONFIG_SMDK6410_SD_CH1 is not set # # Processor Type @@ -233,8 +246,10 @@ CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_RESOURCES_64BIT is not set +# CONFIG_PHYS_ADDR_T_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 CONFIG_VIRT_TO_BUS=y +CONFIG_UNEVICTABLE_LRU=y CONFIG_ALIGNMENT_TRAP=y # @@ -266,6 +281,7 @@ CONFIG_VFP=y # Userspace binary formats # CONFIG_BINFMT_ELF=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set CONFIG_HAVE_AOUT=y # CONFIG_BINFMT_AOUT is not set # CONFIG_BINFMT_MISC is not set @@ -356,6 +372,7 @@ CONFIG_MOUSE_PS2_LOGIPS2PP=y CONFIG_MOUSE_PS2_SYNAPTICS=y CONFIG_MOUSE_PS2_LIFEBOOK=y CONFIG_MOUSE_PS2_TRACKPOINT=y +# CONFIG_MOUSE_PS2_ELANTECH is not set # CONFIG_MOUSE_PS2_TOUCHKIT is not set # CONFIG_MOUSE_SERIAL is not set # CONFIG_MOUSE_APPLETOUCH is not set @@ -400,6 +417,7 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4 # Non-8250 serial port support # CONFIG_SERIAL_SAMSUNG=y +CONFIG_SERIAL_SAMSUNG_UARTS=4 # CONFIG_SERIAL_SAMSUNG_DEBUG is not set CONFIG_SERIAL_SAMSUNG_CONSOLE=y CONFIG_SERIAL_S3C6400=y @@ -414,7 +432,52 @@ CONFIG_HW_RANDOM=y # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set # CONFIG_TCG_TPM is not set -# CONFIG_I2C is not set +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_HELPER_AUTO=y + +# +# I2C Hardware Bus support +# + +# +# I2C system bus drivers (mostly embedded / system-on-chip) +# +# CONFIG_I2C_GPIO is not set +# CONFIG_I2C_OCORES is not set +CONFIG_I2C_S3C2410=y +# CONFIG_I2C_SIMTEC is not set + +# +# External I2C/SMBus adapter drivers +# +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_TAOS_EVM is not set + +# +# Other I2C/SMBus bus drivers +# +# CONFIG_I2C_PCA_PLATFORM is not set +# CONFIG_I2C_STUB is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_DS1682 is not set +CONFIG_AT24=y +# CONFIG_SENSORS_EEPROM is not set +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_PCF8575 is not set +# CONFIG_SENSORS_PCA9539 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_TPS65010 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_SENSORS_TSL2550 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set # CONFIG_SPI is not set CONFIG_ARCH_REQUIRE_GPIOLIB=y CONFIG_GPIOLIB=y @@ -424,6 +487,9 @@ CONFIG_GPIOLIB=y # # I2C GPIO expanders: # +# CONFIG_GPIO_MAX732X is not set +# CONFIG_GPIO_PCA953X is not set +# CONFIG_GPIO_PCF857X is not set # # PCI GPIO expanders: @@ -436,14 +502,52 @@ CONFIG_GPIOLIB=y # CONFIG_POWER_SUPPLY is not set CONFIG_HWMON=y # CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_AD7414 is not set +# CONFIG_SENSORS_AD7418 is not set +# CONFIG_SENSORS_ADM1021 is not set +# CONFIG_SENSORS_ADM1025 is not set +# CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set +# CONFIG_SENSORS_ADM1031 is not set +# CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ADT7470 is not set +# CONFIG_SENSORS_ADT7473 is not set +# CONFIG_SENSORS_ATXP1 is not set +# CONFIG_SENSORS_DS1621 is not set # CONFIG_SENSORS_F71805F is not set # CONFIG_SENSORS_F71882FG is not set +# CONFIG_SENSORS_F75375S is not set +# CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set # CONFIG_SENSORS_IT87 is not set +# CONFIG_SENSORS_LM63 is not set +# CONFIG_SENSORS_LM75 is not set +# CONFIG_SENSORS_LM77 is not set +# CONFIG_SENSORS_LM78 is not set +# CONFIG_SENSORS_LM80 is not set +# CONFIG_SENSORS_LM83 is not set +# CONFIG_SENSORS_LM85 is not set +# CONFIG_SENSORS_LM87 is not set +# CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set +# CONFIG_SENSORS_LM93 is not set +# CONFIG_SENSORS_MAX1619 is not set +# CONFIG_SENSORS_MAX6650 is not set # CONFIG_SENSORS_PC87360 is not set # CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_DME1737 is not set # CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47M192 is not set # CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_ADS7828 is not set +# CONFIG_SENSORS_THMC50 is not set # CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_W83781D is not set +# CONFIG_SENSORS_W83791D is not set +# CONFIG_SENSORS_W83792D is not set +# CONFIG_SENSORS_W83793 is not set +# CONFIG_SENSORS_W83L785TS is not set +# CONFIG_SENSORS_W83L786NG is not set # CONFIG_SENSORS_W83627HF is not set # CONFIG_SENSORS_W83627EHF is not set # CONFIG_HWMON_DEBUG_CHIP is not set @@ -465,12 +569,13 @@ CONFIG_SSB_POSSIBLE=y # CONFIG_MFD_ASIC3 is not set # CONFIG_HTC_EGPIO is not set # CONFIG_HTC_PASIC3 is not set -# CONFIG_UCB1400_CORE is not set # CONFIG_MFD_TMIO is not set # CONFIG_MFD_T7L66XB is not set # CONFIG_MFD_TC6387XB is not set # CONFIG_MFD_TC6393XB is not set +# CONFIG_PMIC_DA903X is not set # CONFIG_MFD_WM8400 is not set +# CONFIG_MFD_WM8350_I2C is not set # # Multimedia devices @@ -546,6 +651,7 @@ CONFIG_SDIO_UART=y # MMC/SD/SDIO Host Controller Drivers # CONFIG_MMC_SDHCI=y +# CONFIG_MMC_SDHCI_S3C is not set # CONFIG_MEMSTICK is not set # CONFIG_ACCESSIBILITY is not set # CONFIG_NEW_LEDS is not set @@ -691,11 +797,17 @@ CONFIG_FRAME_POINTER=y # CONFIG_FAULT_INJECTION is not set # CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y -CONFIG_HAVE_FTRACE=y -CONFIG_HAVE_DYNAMIC_FTRACE=y -# CONFIG_FTRACE is not set +CONFIG_HAVE_FUNCTION_TRACER=y + +# +# Tracers +# +# CONFIG_FUNCTION_TRACER is not set # CONFIG_SCHED_TRACER is not set # CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_BOOT_TRACER is not set +# CONFIG_STACK_TRACER is not set +# CONFIG_DYNAMIC_PRINTK_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set From c33e14c724406d987111ee73f1c5335a1f450473 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Mon, 3 Nov 2008 20:14:56 +0000 Subject: [PATCH 24/31] [ARM] s3c6400_defconfig: Add SDHCI driver Add the Samsung SDHCI driver to the build. Signed-off-by: Ben Dooks --- arch/arm/configs/s3c6400_defconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig index 559c44404e91..cf3c1b5d7048 100644 --- a/arch/arm/configs/s3c6400_defconfig +++ b/arch/arm/configs/s3c6400_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.28-rc3 -# Mon Nov 3 10:07:29 2008 +# Mon Nov 3 10:10:30 2008 # CONFIG_ARM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y @@ -651,7 +651,7 @@ CONFIG_SDIO_UART=y # MMC/SD/SDIO Host Controller Drivers # CONFIG_MMC_SDHCI=y -# CONFIG_MMC_SDHCI_S3C is not set +CONFIG_MMC_SDHCI_S3C=y # CONFIG_MEMSTICK is not set # CONFIG_ACCESSIBILITY is not set # CONFIG_NEW_LEDS is not set From d6bc5f70e04168a3240f3ad7948415798128b949 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Mon, 3 Nov 2008 20:14:57 +0000 Subject: [PATCH 25/31] [ARM] S3C6410: Fix gpio configuration for channel 1. Select the correct GPIO configuration function for channel 1 Signed-off-by: Ben Dooks --- arch/arm/plat-s3c/include/plat/sdhci.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/plat-s3c/include/plat/sdhci.h b/arch/arm/plat-s3c/include/plat/sdhci.h index 5aeebeb70dc2..f6276f835be4 100644 --- a/arch/arm/plat-s3c/include/plat/sdhci.h +++ b/arch/arm/plat-s3c/include/plat/sdhci.h @@ -88,7 +88,7 @@ static inline void s3c6410_default_sdhci0(void) static inline void s3c6410_default_sdhci1(void) { s3c_hsmmc1_def_platdata.clocks = s3c6410_hsmmc_clksrcs; - s3c_hsmmc1_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio; + s3c_hsmmc1_def_platdata.cfg_gpio = s3c6410_setup_sdhci1_cfg_gpio; s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card; } #else From 713e9dede63c775cb42c63178a6447f2c28ec2cd Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:29:19 +0000 Subject: [PATCH 26/31] [ARM] S3C: Fix SDHCI setup compilation Fix the compilation of the SDHCI configuration/setup functions to depend on their respective configuration variables. Signed-off-by: Ben Dooks --- arch/arm/plat-s3c/include/plat/sdhci.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/plat-s3c/include/plat/sdhci.h b/arch/arm/plat-s3c/include/plat/sdhci.h index f6276f835be4..c4ca3920ca4b 100644 --- a/arch/arm/plat-s3c/include/plat/sdhci.h +++ b/arch/arm/plat-s3c/include/plat/sdhci.h @@ -78,19 +78,28 @@ extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev, struct mmc_ios *ios, struct mmc_card *card); +#ifdef CONFIG_S3C_DEV_HSMMC static inline void s3c6410_default_sdhci0(void) { s3c_hsmmc0_def_platdata.clocks = s3c6410_hsmmc_clksrcs; s3c_hsmmc0_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio; s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card; } +#else +static inline void s3c6410_default_sdhci0(void) { } +#endif /* CONFIG_S3C_DEV_HSMMC */ +#ifdef CONFIG_S3C_DEV_HSMMC1 static inline void s3c6410_default_sdhci1(void) { s3c_hsmmc1_def_platdata.clocks = s3c6410_hsmmc_clksrcs; s3c_hsmmc1_def_platdata.cfg_gpio = s3c6410_setup_sdhci1_cfg_gpio; s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card; } +#else +static inline void s3c6410_default_sdhci1(void) { } +#endif /* CONFIG_S3C_DEV_HSMMC1 */ + #else static inline void s3c6410_default_sdhci0(void) { } static inline void s3c6410_default_sdhci1(void) { } From 8f995cc3ac94b114fe84782b023d8706d1adf960 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Wed, 19 Nov 2008 15:41:30 +0000 Subject: [PATCH 27/31] [ARM] S3C: Add register defines for new style framebuffer Provide the initial register definitions for the newer style of framebuffer cores found in the Samsung SoCs such as S3C2450, S3C64XX. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6400/include/mach/regs-fb.h | 259 +++++++++++++ arch/arm/plat-s3c/include/plat/fb.h | 73 ++++ arch/arm/plat-s3c/include/plat/regs-fb.h | 366 +++++++++++++++++++ 3 files changed, 698 insertions(+) create mode 100644 arch/arm/mach-s3c6400/include/mach/regs-fb.h create mode 100644 arch/arm/plat-s3c/include/plat/fb.h create mode 100644 arch/arm/plat-s3c/include/plat/regs-fb.h diff --git a/arch/arm/mach-s3c6400/include/mach/regs-fb.h b/arch/arm/mach-s3c6400/include/mach/regs-fb.h new file mode 100644 index 000000000000..47019795ce06 --- /dev/null +++ b/arch/arm/mach-s3c6400/include/mach/regs-fb.h @@ -0,0 +1,259 @@ +/* arch/arm/mach-s3c6400/include/mach/regs-fb.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C64XX - new-style framebuffer register definitions + * + * This is the register set for the new style framebuffer interface + * found from the S3C2443 onwards and specifically the S3C64XX series + * S3C6400 and S3C6410. + * + * The file contains the cpu specific items which change between whichever + * architecture is selected. See for the core definitions + * that are the same. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* include the core definitions here, in case we really do need to + * override them at a later date. +*/ + +#include + +#define S3C_FB_MAX_WIN (5) /* number of hardware windows available. */ +#define VIDCON1_FSTATUS_EVEN (1 << 15) + +/* Video timing controls */ +#define VIDTCON0 (0x10) +#define VIDTCON1 (0x14) +#define VIDTCON2 (0x18) + +/* Window position controls */ + +#define WINCON(_win) (0x20 + ((_win) * 4)) + +/* OSD1 and OSD4 do not have register D */ + +#define VIDOSD_A(_win) (0x40 + ((_win) * 16)) +#define VIDOSD_B(_win) (0x44 + ((_win) * 16)) +#define VIDOSD_C(_win) (0x48 + ((_win) * 16)) +#define VIDOSD_D(_win) (0x4C + ((_win) * 16)) + +/* Video buffer addresses */ + +#define VIDW_BUF_START(_buff) (0xA0 + ((_buff) * 8)) +#define VIDW_BUF_START1(_buff) (0xA4 + ((_buff) * 8)) +#define VIDW_BUF_END(_buff) (0xD0 + ((_buff) * 8)) +#define VIDW_BUF_END1(_buff) (0xD4 + ((_buff) * 8)) +#define VIDW_BUF_SIZE(_buff) (0x100 + ((_buff) * 4)) + +#define VIDINTCON0 (0x130) + +#define WxKEYCONy(_win, _con) ((0x140 + ((_win) * 8)) + ((_con) * 4)) + +/* WINCONx */ + +#define WINCONx_CSCWIDTH_MASK (0x3 << 26) +#define WINCONx_CSCWIDTH_SHIFT (26) +#define WINCONx_CSCWIDTH_WIDE (0x0 << 26) +#define WINCONx_CSCWIDTH_NARROW (0x3 << 26) + +#define WINCONx_ENLOCAL (1 << 22) +#define WINCONx_BUFSTATUS (1 << 21) +#define WINCONx_BUFSEL (1 << 20) +#define WINCONx_BUFAUTOEN (1 << 19) +#define WINCONx_YCbCr (1 << 13) + +#define WINCON1_LOCALSEL_CAMIF (1 << 23) + +#define WINCON2_LOCALSEL_CAMIF (1 << 23) +#define WINCON2_BLD_PIX (1 << 6) + +#define WINCON2_ALPHA_SEL (1 << 1) +#define WINCON2_BPPMODE_MASK (0xf << 2) +#define WINCON2_BPPMODE_SHIFT (2) +#define WINCON2_BPPMODE_1BPP (0x0 << 2) +#define WINCON2_BPPMODE_2BPP (0x1 << 2) +#define WINCON2_BPPMODE_4BPP (0x2 << 2) +#define WINCON2_BPPMODE_8BPP_1232 (0x4 << 2) +#define WINCON2_BPPMODE_16BPP_565 (0x5 << 2) +#define WINCON2_BPPMODE_16BPP_A1555 (0x6 << 2) +#define WINCON2_BPPMODE_16BPP_I1555 (0x7 << 2) +#define WINCON2_BPPMODE_18BPP_666 (0x8 << 2) +#define WINCON2_BPPMODE_18BPP_A1665 (0x9 << 2) +#define WINCON2_BPPMODE_19BPP_A1666 (0xa << 2) +#define WINCON2_BPPMODE_24BPP_888 (0xb << 2) +#define WINCON2_BPPMODE_24BPP_A1887 (0xc << 2) +#define WINCON2_BPPMODE_25BPP_A1888 (0xd << 2) +#define WINCON2_BPPMODE_28BPP_A4888 (0xd << 2) + +#define WINCON3_BLD_PIX (1 << 6) + +#define WINCON3_ALPHA_SEL (1 << 1) +#define WINCON3_BPPMODE_MASK (0xf << 2) +#define WINCON3_BPPMODE_SHIFT (2) +#define WINCON3_BPPMODE_1BPP (0x0 << 2) +#define WINCON3_BPPMODE_2BPP (0x1 << 2) +#define WINCON3_BPPMODE_4BPP (0x2 << 2) +#define WINCON3_BPPMODE_16BPP_565 (0x5 << 2) +#define WINCON3_BPPMODE_16BPP_A1555 (0x6 << 2) +#define WINCON3_BPPMODE_16BPP_I1555 (0x7 << 2) +#define WINCON3_BPPMODE_18BPP_666 (0x8 << 2) +#define WINCON3_BPPMODE_18BPP_A1665 (0x9 << 2) +#define WINCON3_BPPMODE_19BPP_A1666 (0xa << 2) +#define WINCON3_BPPMODE_24BPP_888 (0xb << 2) +#define WINCON3_BPPMODE_24BPP_A1887 (0xc << 2) +#define WINCON3_BPPMODE_25BPP_A1888 (0xd << 2) +#define WINCON3_BPPMODE_28BPP_A4888 (0xd << 2) + +#define VIDINTCON0_FIFIOSEL_WINDOW2 (0x10 << 5) +#define VIDINTCON0_FIFIOSEL_WINDOW3 (0x20 << 5) +#define VIDINTCON0_FIFIOSEL_WINDOW4 (0x40 << 5) + +#define DITHMODE (0x170) +#define WINxMAP(_win) (0x180 + ((_win) * 4)) + + +#define DITHMODE_R_POS_MASK (0x3 << 5) +#define DITHMODE_R_POS_SHIFT (5) +#define DITHMODE_R_POS_8BIT (0x0 << 5) +#define DITHMODE_R_POS_6BIT (0x1 << 5) +#define DITHMODE_R_POS_5BIT (0x2 << 5) + +#define DITHMODE_G_POS_MASK (0x3 << 3) +#define DITHMODE_G_POS_SHIFT (3) +#define DITHMODE_G_POS_8BIT (0x0 << 3) +#define DITHMODE_G_POS_6BIT (0x1 << 3) +#define DITHMODE_G_POS_5BIT (0x2 << 3) + +#define DITHMODE_B_POS_MASK (0x3 << 1) +#define DITHMODE_B_POS_SHIFT (1) +#define DITHMODE_B_POS_8BIT (0x0 << 1) +#define DITHMODE_B_POS_6BIT (0x1 << 1) +#define DITHMODE_B_POS_5BIT (0x2 << 1) + +#define DITHMODE_DITH_EN (1 << 0) + +#define WPALCON (0x1A0) + +#define WPALCON_W4PAL_16BPP_A555 (1 << 8) +#define WPALCON_W3PAL_16BPP_A555 (1 << 7) +#define WPALCON_W2PAL_16BPP_A555 (1 << 6) + +/* Palette registers */ + +#define WIN2_PAL(_entry) (0x300 + ((_entry) * 2)) +#define WIN3_PAL(_entry) (0x320 + ((_entry) * 2)) +#define WIN4_PAL(_entry) (0x340 + ((_entry) * 2)) +#define WIN0_PAL(_entry) (0x400 + ((_entry) * 4)) +#define WIN1_PAL(_entry) (0x800 + ((_entry) * 4)) + +/* system specific implementation code for palette sizes, and other + * information that changes depending on which architecture is being + * compiled. +*/ + +/* return true if window _win has OSD register D */ +#define s3c_fb_has_osd_d(_win) ((_win) != 4 && (_win) != 0) + +static inline unsigned int s3c_fb_win_pal_size(unsigned int win) +{ + if (win < 2) + return 256; + if (win < 4) + return 16; + if (win == 4) + return 4; + + BUG(); /* shouldn't get here */ +} + +static inline int s3c_fb_validate_win_bpp(unsigned int win, unsigned int bpp) +{ + /* all windows can do 1/2 bpp */ + + if ((bpp == 25 || bpp == 19) && win == 0) + return 0; /* win 0 does not have 19 or 25bpp modes */ + + if (bpp == 4 && win == 4) + return 0; + + if (bpp == 8 && (win >= 3)) + return 0; /* win 3/4 cannot do 8bpp in any mode */ + + return 1; +} + +static inline unsigned int s3c_fb_pal_reg(unsigned int window, int reg) +{ + switch (window) { + case 0: return WIN0_PAL(reg); + case 1: return WIN1_PAL(reg); + case 2: return WIN2_PAL(reg); + case 3: return WIN3_PAL(reg); + case 4: return WIN4_PAL(reg); + } + + BUG(); +} + +static inline int s3c_fb_pal_is16(unsigned int window) +{ + return window > 1; +} + +struct s3c_fb_palette { + struct fb_bitfield r; + struct fb_bitfield g; + struct fb_bitfield b; + struct fb_bitfield a; +}; + +static inline void s3c_fb_init_palette(unsigned int window, + struct s3c_fb_palette *palette) +{ + if (window < 2) { + /* Windows 0/1 are 8/8/8 or A/8/8/8 */ + palette->r.offset = 16; + palette->r.length = 8; + palette->g.offset = 8; + palette->g.length = 8; + palette->b.offset = 0; + palette->b.length = 8; + } else { + /* currently we assume RGB 5/6/5 */ + palette->r.offset = 11; + palette->r.length = 5; + palette->g.offset = 5; + palette->g.length = 6; + palette->b.offset = 0; + palette->b.length = 5; + } +} + +/* Notes on per-window bpp settings + * + * Value Win0 Win1 Win2 Win3 Win 4 + * 0000 1(P) 1(P) 1(P) 1(P) 1(P) + * 0001 2(P) 2(P) 2(P) 2(P) 2(P) + * 0010 4(P) 4(P) 4(P) 4(P) -none- + * 0011 8(P) 8(P) -none- -none- -none- + * 0100 -none- 8(A232) 8(A232) -none- -none- + * 0101 16(565) 16(565) 16(565) 16(565) 16(565) + * 0110 -none- 16(A555) 16(A555) 16(A555) 16(A555) + * 0111 16(I555) 16(I565) 16(I555) 16(I555) 16(I555) + * 1000 18(666) 18(666) 18(666) 18(666) 18(666) + * 1001 -none- 18(A665) 18(A665) 18(A665) 16(A665) + * 1010 -none- 19(A666) 19(A666) 19(A666) 19(A666) + * 1011 24(888) 24(888) 24(888) 24(888) 24(888) + * 1100 -none- 24(A887) 24(A887) 24(A887) 24(A887) + * 1101 -none- 25(A888) 25(A888) 25(A888) 25(A888) + * 1110 -none- -none- -none- -none- -none- + * 1111 -none- -none- -none- -none- -none- +*/ diff --git a/arch/arm/plat-s3c/include/plat/fb.h b/arch/arm/plat-s3c/include/plat/fb.h new file mode 100644 index 000000000000..214ff561b0dd --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/fb.h @@ -0,0 +1,73 @@ +/* linux/arch/arm/plat-s3c/include/plat/fb.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C - FB platform data definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __PLAT_S3C_FB_H +#define __PLAT_S3C_FB_H __FILE__ + +/** + * struct s3c_fb_pd_win - per window setup data + * @win_mode: The display parameters to initialise (not for window 0) + * @virtual_x: The virtual X size. + * @virtual_y: The virtual Y size. + */ +struct s3c_fb_pd_win { + struct fb_videomode win_mode; + + unsigned short default_bpp; + unsigned short max_bpp; + unsigned short virtual_x; + unsigned short virtual_y; +}; + +/** + * struct s3c_fb_platdata - S3C driver platform specific information + * @setup_gpio: Setup the external GPIO pins to the right state to transfer + * the data from the display system to the connected display + * device. + * @vidcon0: The base vidcon0 values to control the panel data format. + * @vidcon1: The base vidcon1 values to control the panel data output. + * @win: The setup data for each hardware window, or NULL for unused. + * @display_mode: The LCD output display mode. + * + * The platform data supplies the video driver with all the information + * it requires to work with the display(s) attached to the machine. It + * controls the initial mode, the number of display windows (0 is always + * the base framebuffer) that are initialised etc. + * + */ +struct s3c_fb_platdata { + void (*setup_gpio)(void); + + struct s3c_fb_pd_win *win[S3C_FB_MAX_WIN]; + + u32 vidcon0; + u32 vidcon1; +}; + +/** + * s3c_fb_set_platdata() - Setup the FB device with platform data. + * @pd: The platform data to set. The data is copied from the passed structure + * so the machine data can mark the data __initdata so that any unused + * machines will end up dumping their data at runtime. + */ +extern void s3c_fb_set_platdata(struct s3c_fb_platdata *pd); + +/** + * s3c64xx_fb_gpio_setup_24bpp() - S3C64XX setup function for 24bpp LCD + * + * Initialise the GPIO for an 24bpp LCD display on the RGB interface. + */ +extern void s3c64xx_fb_gpio_setup_24bpp(void); + +#endif /* __PLAT_S3C_FB_H */ diff --git a/arch/arm/plat-s3c/include/plat/regs-fb.h b/arch/arm/plat-s3c/include/plat/regs-fb.h new file mode 100644 index 000000000000..e9ee599d430e --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/regs-fb.h @@ -0,0 +1,366 @@ +/* arch/arm/plat-s3c/include/plat/regs-fb.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C Platform - new-style framebuffer register definitions + * + * This is the register set for the new style framebuffer interface + * found from the S3C2443 onwards into the S3C2416, S3C2450 and the + * S3C64XX series such as the S3C6400 and S3C6410. + * + * The file does not contain the cpu specific items which are based on + * whichever architecture is selected, it only contains the core of the + * register set. See to get the specifics. + * + * Note, we changed to using regs-fb.h as it avoids any clashes with + * the original regs-lcd.h so out of the way of regs-lcd.h as well as + * indicating the newer block is much more than just an LCD interface. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* Please do not include this file directly, use to + * ensure all the localised SoC support is included as necessary. +*/ + +/* VIDCON0 */ + +#define VIDCON0 (0x00) +#define VIDCON0_INTERLACE (1 << 29) +#define VIDCON0_VIDOUT_MASK (0x3 << 26) +#define VIDCON0_VIDOUT_SHIFT (26) +#define VIDCON0_VIDOUT_RGB (0x0 << 26) +#define VIDCON0_VIDOUT_TV (0x1 << 26) +#define VIDCON0_VIDOUT_I80_LDI0 (0x2 << 26) +#define VIDCON0_VIDOUT_I80_LDI1 (0x3 << 26) + +#define VIDCON0_L1_DATA_MASK (0x7 << 23) +#define VIDCON0_L1_DATA_SHIFT (23) +#define VIDCON0_L1_DATA_16BPP (0x0 << 23) +#define VIDCON0_L1_DATA_18BPP16 (0x1 << 23) +#define VIDCON0_L1_DATA_18BPP9 (0x2 << 23) +#define VIDCON0_L1_DATA_24BPP (0x3 << 23) +#define VIDCON0_L1_DATA_18BPP (0x4 << 23) +#define VIDCON0_L1_DATA_16BPP8 (0x5 << 23) + +#define VIDCON0_L0_DATA_MASK (0x7 << 20) +#define VIDCON0_L0_DATA_SHIFT (20) +#define VIDCON0_L0_DATA_16BPP (0x0 << 20) +#define VIDCON0_L0_DATA_18BPP16 (0x1 << 20) +#define VIDCON0_L0_DATA_18BPP9 (0x2 << 20) +#define VIDCON0_L0_DATA_24BPP (0x3 << 20) +#define VIDCON0_L0_DATA_18BPP (0x4 << 20) +#define VIDCON0_L0_DATA_16BPP8 (0x5 << 20) + +#define VIDCON0_PNRMODE_MASK (0x3 << 17) +#define VIDCON0_PNRMODE_SHIFT (17) +#define VIDCON0_PNRMODE_RGB (0x0 << 17) +#define VIDCON0_PNRMODE_BGR (0x1 << 17) +#define VIDCON0_PNRMODE_SERIAL_RGB (0x2 << 17) +#define VIDCON0_PNRMODE_SERIAL_BGR (0x3 << 17) + +#define VIDCON0_CLKVALUP (1 << 16) +#define VIDCON0_CLKVAL_F_MASK (0xff << 6) +#define VIDCON0_CLKVAL_F_SHIFT (6) +#define VIDCON0_CLKVAL_F_LIMIT (0xff) +#define VIDCON0_CLKVAL_F(_x) ((_x) << 6) +#define VIDCON0_VLCKFREE (1 << 5) +#define VIDCON0_CLKDIR (1 << 4) + +#define VIDCON0_CLKSEL_MASK (0x3 << 2) +#define VIDCON0_CLKSEL_SHIFT (2) +#define VIDCON0_CLKSEL_HCLK (0x0 << 2) +#define VIDCON0_CLKSEL_LCD (0x1 << 2) +#define VIDCON0_CLKSEL_27M (0x3 << 2) + +#define VIDCON0_ENVID (1 << 1) +#define VIDCON0_ENVID_F (1 << 0) + +#define VIDCON1 (0x04) +#define VIDCON1_LINECNT_MASK (0x7ff << 16) +#define VIDCON1_LINECNT_SHIFT (16) +#define VIDCON1_LINECNT_GET(_v) (((_v) >> 16) & 0x7ff) +#define VIDCON1_VSTATUS_MASK (0x3 << 13) +#define VIDCON1_VSTATUS_SHIFT (13) +#define VIDCON1_VSTATUS_VSYNC (0x0 << 13) +#define VIDCON1_VSTATUS_BACKPORCH (0x1 << 13) +#define VIDCON1_VSTATUS_ACTIVE (0x2 << 13) +#define VIDCON1_VSTATUS_FRONTPORCH (0x0 << 13) + +#define VIDCON1_INV_VCLK (1 << 7) +#define VIDCON1_INV_HSYNC (1 << 6) +#define VIDCON1_INV_VSYNC (1 << 5) +#define VIDCON1_INV_VDEN (1 << 4) + +/* VIDCON2 */ + +#define VIDCON2 (0x08) +#define VIDCON2_EN601 (1 << 23) +#define VIDCON2_TVFMTSEL_SW (1 << 14) + +#define VIDCON2_TVFMTSEL1_MASK (0x3 << 12) +#define VIDCON2_TVFMTSEL1_SHIFT (12) +#define VIDCON2_TVFMTSEL1_RGB (0x0 << 12) +#define VIDCON2_TVFMTSEL1_YUV422 (0x1 << 12) +#define VIDCON2_TVFMTSEL1_YUV444 (0x2 << 12) + +#define VIDCON2_ORGYCbCr (1 << 8) +#define VIDCON2_YUVORDCrCb (1 << 7) + +/* VIDTCON0 */ + +#define VIDTCON0_VBPDE_MASK (0xff << 24) +#define VIDTCON0_VBPDE_SHIFT (24) +#define VIDTCON0_VBPDE_LIMIT (0xff) +#define VIDTCON0_VBPDE(_x) ((_x) << 24) + +#define VIDTCON0_VBPD_MASK (0xff << 16) +#define VIDTCON0_VBPD_SHIFT (16) +#define VIDTCON0_VBPD_LIMIT (0xff) +#define VIDTCON0_VBPD(_x) ((_x) << 16) + +#define VIDTCON0_VFPD_MASK (0xff << 8) +#define VIDTCON0_VFPD_SHIFT (8) +#define VIDTCON0_VFPD_LIMIT (0xff) +#define VIDTCON0_VFPD(_x) ((_x) << 8) + +#define VIDTCON0_VSPW_MASK (0xff << 0) +#define VIDTCON0_VSPW_SHIFT (0) +#define VIDTCON0_VSPW_LIMIT (0xff) +#define VIDTCON0_VSPW(_x) ((_x) << 0) + +/* VIDTCON1 */ + +#define VIDTCON1_VFPDE_MASK (0xff << 24) +#define VIDTCON1_VFPDE_SHIFT (24) +#define VIDTCON1_VFPDE_LIMIT (0xff) +#define VIDTCON1_VFPDE(_x) ((_x) << 24) + +#define VIDTCON1_HBPD_MASK (0xff << 16) +#define VIDTCON1_HBPD_SHIFT (16) +#define VIDTCON1_HBPD_LIMIT (0xff) +#define VIDTCON1_HBPD(_x) ((_x) << 16) + +#define VIDTCON1_HFPD_MASK (0xff << 8) +#define VIDTCON1_HFPD_SHIFT (8) +#define VIDTCON1_HFPD_LIMIT (0xff) +#define VIDTCON1_HFPD(_x) ((_x) << 8) + +#define VIDTCON1_HSPW_MASK (0xff << 0) +#define VIDTCON1_HSPW_SHIFT (0) +#define VIDTCON1_HSPW_LIMIT (0xff) +#define VIDTCON1_HSPW(_x) ((_x) << 0) + +#define VIDTCON2 (0x18) +#define VIDTCON2_LINEVAL_MASK (0x7ff << 11) +#define VIDTCON2_LINEVAL_SHIFT (11) +#define VIDTCON2_LINEVAL_LIMIT (0x7ff) +#define VIDTCON2_LINEVAL(_x) ((_x) << 11) + +#define VIDTCON2_HOZVAL_MASK (0x7ff << 0) +#define VIDTCON2_HOZVAL_SHIFT (0) +#define VIDTCON2_HOZVAL_LIMIT (0x7ff) +#define VIDTCON2_HOZVAL(_x) ((_x) << 0) + +/* WINCONx */ + + +#define WINCONx_BITSWP (1 << 18) +#define WINCONx_BYTSWP (1 << 17) +#define WINCONx_HAWSWP (1 << 16) +#define WINCONx_BURSTLEN_MASK (0x3 << 9) +#define WINCONx_BURSTLEN_SHIFT (9) +#define WINCONx_BURSTLEN_16WORD (0x0 << 9) +#define WINCONx_BURSTLEN_8WORD (0x1 << 9) +#define WINCONx_BURSTLEN_4WORD (0x2 << 9) + +#define WINCONx_ENWIN (1 << 0) +#define WINCON0_BPPMODE_MASK (0xf << 2) +#define WINCON0_BPPMODE_SHIFT (2) +#define WINCON0_BPPMODE_1BPP (0x0 << 2) +#define WINCON0_BPPMODE_2BPP (0x1 << 2) +#define WINCON0_BPPMODE_4BPP (0x2 << 2) +#define WINCON0_BPPMODE_8BPP_PALETTE (0x3 << 2) +#define WINCON0_BPPMODE_16BPP_565 (0x5 << 2) +#define WINCON0_BPPMODE_16BPP_1555 (0x7 << 2) +#define WINCON0_BPPMODE_18BPP_666 (0x8 << 2) +#define WINCON0_BPPMODE_24BPP_888 (0xb << 2) + +#define WINCON1_BLD_PIX (1 << 6) + +#define WINCON1_ALPHA_SEL (1 << 1) +#define WINCON1_BPPMODE_MASK (0xf << 2) +#define WINCON1_BPPMODE_SHIFT (2) +#define WINCON1_BPPMODE_1BPP (0x0 << 2) +#define WINCON1_BPPMODE_2BPP (0x1 << 2) +#define WINCON1_BPPMODE_4BPP (0x2 << 2) +#define WINCON1_BPPMODE_8BPP_PALETTE (0x3 << 2) +#define WINCON1_BPPMODE_8BPP_1232 (0x4 << 2) +#define WINCON1_BPPMODE_16BPP_565 (0x5 << 2) +#define WINCON1_BPPMODE_16BPP_A1555 (0x6 << 2) +#define WINCON1_BPPMODE_16BPP_I1555 (0x7 << 2) +#define WINCON1_BPPMODE_18BPP_666 (0x8 << 2) +#define WINCON1_BPPMODE_18BPP_A1665 (0x9 << 2) +#define WINCON1_BPPMODE_19BPP_A1666 (0xa << 2) +#define WINCON1_BPPMODE_24BPP_888 (0xb << 2) +#define WINCON1_BPPMODE_24BPP_A1887 (0xc << 2) +#define WINCON1_BPPMODE_25BPP_A1888 (0xd << 2) +#define WINCON1_BPPMODE_28BPP_A4888 (0xd << 2) + + +#define VIDOSDxA_TOPLEFT_X_MASK (0x7ff << 11) +#define VIDOSDxA_TOPLEFT_X_SHIFT (11) +#define VIDOSDxA_TOPLEFT_X_LIMIT (0x7ff) +#define VIDOSDxA_TOPLEFT_X(_x) ((_x) << 11) + +#define VIDOSDxA_TOPLEFT_Y_MASK (0x7ff << 0) +#define VIDOSDxA_TOPLEFT_Y_SHIFT (0) +#define VIDOSDxA_TOPLEFT_Y_LIMIT (0x7ff) +#define VIDOSDxA_TOPLEFT_Y(_x) ((_x) << 0) + +#define VIDOSDxB_BOTRIGHT_X_MASK (0x7ff << 11) +#define VIDOSDxB_BOTRIGHT_X_SHIFT (11) +#define VIDOSDxB_BOTRIGHT_X_LIMIT (0x7ff) +#define VIDOSDxB_BOTRIGHT_X(_x) ((_x) << 11) + +#define VIDOSDxB_BOTRIGHT_Y_MASK (0x7ff << 0) +#define VIDOSDxB_BOTRIGHT_Y_SHIFT (0) +#define VIDOSDxB_BOTRIGHT_Y_LIMIT (0x7ff) +#define VIDOSDxB_BOTRIGHT_Y(_x) ((_x) << 0) + +/* For VIDOSD[1..4]C */ +#define VIDISD14C_ALPHA0_R(_x) ((_x) << 20) +#define VIDISD14C_ALPHA0_G_MASK (0xf << 16) +#define VIDISD14C_ALPHA0_G_SHIFT (16) +#define VIDISD14C_ALPHA0_G_LIMIT (0xf) +#define VIDISD14C_ALPHA0_G(_x) ((_x) << 16) +#define VIDISD14C_ALPHA0_B_MASK (0xf << 12) +#define VIDISD14C_ALPHA0_B_SHIFT (12) +#define VIDISD14C_ALPHA0_B_LIMIT (0xf) +#define VIDISD14C_ALPHA0_B(_x) ((_x) << 12) +#define VIDISD14C_ALPHA1_R_MASK (0xf << 8) +#define VIDISD14C_ALPHA1_R_SHIFT (8) +#define VIDISD14C_ALPHA1_R_LIMIT (0xf) +#define VIDISD14C_ALPHA1_R(_x) ((_x) << 8) +#define VIDISD14C_ALPHA1_G_MASK (0xf << 4) +#define VIDISD14C_ALPHA1_G_SHIFT (4) +#define VIDISD14C_ALPHA1_G_LIMIT (0xf) +#define VIDISD14C_ALPHA1_G(_x) ((_x) << 4) +#define VIDISD14C_ALPHA1_B_MASK (0xf << 0) +#define VIDISD14C_ALPHA1_B_SHIFT (0) +#define VIDISD14C_ALPHA1_B_LIMIT (0xf) +#define VIDISD14C_ALPHA1_B(_x) ((_x) << 0) + +/* Video buffer addresses */ +#define VIDW_BUF_START(_buff) (0xA0 + ((_buff) * 8)) +#define VIDW_BUF_START1(_buff) (0xA4 + ((_buff) * 8)) +#define VIDW_BUF_END(_buff) (0xD0 + ((_buff) * 8)) +#define VIDW_BUF_END1(_buff) (0xD4 + ((_buff) * 8)) +#define VIDW_BUF_SIZE(_buff) (0x100 + ((_buff) * 4)) + +#define VIDW_BUF_SIZE_OFFSET_MASK (0x1fff << 13) +#define VIDW_BUF_SIZE_OFFSET_SHIFT (13) +#define VIDW_BUF_SIZE_OFFSET_LIMIT (0x1fff) +#define VIDW_BUF_SIZE_OFFSET(_x) ((_x) << 13) + +#define VIDW_BUF_SIZE_PAGEWIDTH_MASK (0x1fff << 0) +#define VIDW_BUF_SIZE_PAGEWIDTH_SHIFT (0) +#define VIDW_BUF_SIZE_PAGEWIDTH_LIMIT (0x1fff) +#define VIDW_BUF_SIZE_PAGEWIDTH(_x) ((_x) << 0) + +/* Interrupt controls and status */ + +#define VIDINTCON0_FIFOINTERVAL_MASK (0x3f << 20) +#define VIDINTCON0_FIFOINTERVAL_SHIFT (20) +#define VIDINTCON0_FIFOINTERVAL_LIMIT (0x3f) +#define VIDINTCON0_FIFOINTERVAL(_x) ((_x) << 20) + +#define VIDINTCON0_INT_SYSMAINCON (1 << 19) +#define VIDINTCON0_INT_SYSSUBCON (1 << 18) +#define VIDINTCON0_INT_I80IFDONE (1 << 17) + +#define VIDINTCON0_FRAMESEL0_MASK (0x3 << 15) +#define VIDINTCON0_FRAMESEL0_SHIFT (15) +#define VIDINTCON0_FRAMESEL0_BACKPORCH (0x0 << 15) +#define VIDINTCON0_FRAMESEL0_VSYNC (0x1 << 15) +#define VIDINTCON0_FRAMESEL0_ACTIVE (0x2 << 15) +#define VIDINTCON0_FRAMESEL0_FRONTPORCH (0x3 << 15) + +#define VIDINTCON0_FRAMESEL1 (1 << 14) +#define VIDINTCON0_FRAMESEL1_NONE (0x0 << 14) +#define VIDINTCON0_FRAMESEL1_BACKPORCH (0x1 << 14) +#define VIDINTCON0_FRAMESEL1_VSYNC (0x2 << 14) +#define VIDINTCON0_FRAMESEL1_FRONTPORCH (0x3 << 14) + +#define VIDINTCON0_INT_FRAME (1 << 12) +#define VIDINTCON0_FIFIOSEL_MASK (0x7f << 5) +#define VIDINTCON0_FIFIOSEL_SHIFT (5) +#define VIDINTCON0_FIFIOSEL_WINDOW0 (0x1 << 5) +#define VIDINTCON0_FIFIOSEL_WINDOW1 (0x2 << 5) + +#define VIDINTCON0_FIFOLEVEL_MASK (0x7 << 2) +#define VIDINTCON0_FIFOLEVEL_SHIFT (2) +#define VIDINTCON0_FIFOLEVEL_TO25PC (0x0 << 2) +#define VIDINTCON0_FIFOLEVEL_TO50PC (0x1 << 2) +#define VIDINTCON0_FIFOLEVEL_TO75PC (0x2 << 2) +#define VIDINTCON0_FIFOLEVEL_EMPTY (0x3 << 2) +#define VIDINTCON0_FIFOLEVEL_FULL (0x4 << 2) + +#define VIDINTCON0_INT_FIFO_MASK (0x3 << 0) +#define VIDINTCON0_INT_FIFO_SHIFT (0) +#define VIDINTCON0_INT_ENABLE (1 << 0) + +#define VIDINTCON1 (0x134) +#define VIDINTCON1_INT_I180 (1 << 2) +#define VIDINTCON1_INT_FRAME (1 << 1) +#define VIDINTCON1_INT_FIFO (1 << 0) + +/* Window colour-key control registers */ + +#define WxKEYCON0_KEYBL_EN (1 << 26) +#define WxKEYCON0_KEYEN_F (1 << 25) +#define WxKEYCON0_DIRCON (1 << 24) +#define WxKEYCON0_COMPKEY_MASK (0xffffff << 0) +#define WxKEYCON0_COMPKEY_SHIFT (0) +#define WxKEYCON0_COMPKEY_LIMIT (0xffffff) +#define WxKEYCON0_COMPKEY(_x) ((_x) << 0) +#define WxKEYCON1_COLVAL_MASK (0xffffff << 0) +#define WxKEYCON1_COLVAL_SHIFT (0) +#define WxKEYCON1_COLVAL_LIMIT (0xffffff) +#define WxKEYCON1_COLVAL(_x) ((_x) << 0) + + +/* Window blanking (MAP) */ + +#define WINxMAP_MAP (1 << 24) +#define WINxMAP_MAP_COLOUR_MASK (0xffffff << 0) +#define WINxMAP_MAP_COLOUR_SHIFT (0) +#define WINxMAP_MAP_COLOUR_LIMIT (0xffffff) +#define WINxMAP_MAP_COLOUR(_x) ((_x) << 0) + +#define WPALCON_PAL_UPDATE (1 << 9) +#define WPALCON_W1PAL_MASK (0x7 << 3) +#define WPALCON_W1PAL_SHIFT (3) +#define WPALCON_W1PAL_25BPP_A888 (0x0 << 3) +#define WPALCON_W1PAL_24BPP (0x1 << 3) +#define WPALCON_W1PAL_19BPP_A666 (0x2 << 3) +#define WPALCON_W1PAL_18BPP_A665 (0x3 << 3) +#define WPALCON_W1PAL_18BPP (0x4 << 3) +#define WPALCON_W1PAL_16BPP_A555 (0x5 << 3) +#define WPALCON_W1PAL_16BPP_565 (0x6 << 3) + +#define WPALCON_W0PAL_MASK (0x7 << 0) +#define WPALCON_W0PAL_SHIFT (0) +#define WPALCON_W0PAL_25BPP_A888 (0x0 << 0) +#define WPALCON_W0PAL_24BPP (0x1 << 0) +#define WPALCON_W0PAL_19BPP_A666 (0x2 << 0) +#define WPALCON_W0PAL_18BPP_A665 (0x3 << 0) +#define WPALCON_W0PAL_18BPP (0x4 << 0) +#define WPALCON_W0PAL_16BPP_A555 (0x5 << 0) +#define WPALCON_W0PAL_16BPP_565 (0x6 << 0) + From 1aba834da12989bb769d1dcbf6b0ea29f730c92c Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:55 +0000 Subject: [PATCH 28/31] [ARM] S3C: Add i2c1 device definition Add device definition and support functions for the second i2c device (i2c1). If this is selected, the first i2c bus will become index 0 instead of index -1. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6400/include/mach/map.h | 2 + arch/arm/plat-s3c/Kconfig | 6 ++ arch/arm/plat-s3c/Makefile | 1 + arch/arm/plat-s3c/dev-i2c0.c | 8 ++- arch/arm/plat-s3c/dev-i2c1.c | 68 +++++++++++++++++++++++ arch/arm/plat-s3c/include/plat/devs.h | 1 + arch/arm/plat-s3c/include/plat/iic.h | 2 + arch/arm/plat-s3c64xx/include/plat/irqs.h | 5 ++ 8 files changed, 91 insertions(+), 2 deletions(-) create mode 100644 arch/arm/plat-s3c/dev-i2c1.c diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c6400/include/mach/map.h index f0d6fa616b6c..4d5cd7ee8c15 100644 --- a/arch/arm/mach-s3c6400/include/mach/map.h +++ b/arch/arm/mach-s3c6400/include/mach/map.h @@ -41,6 +41,7 @@ #define S3C64XX_PA_SYSCON (0x7E00F000) #define S3C64XX_PA_TIMER (0x7F006000) #define S3C64XX_PA_IIC0 (0x7F004000) +#define S3C64XX_PA_IIC1 (0x7F00F000) #define S3C64XX_PA_GPIO (0x7F008000) #define S3C64XX_VA_GPIO S3C_ADDR(0x00500000) @@ -60,5 +61,6 @@ #define S3C_PA_HSMMC1 S3C64XX_PA_HSMMC1 #define S3C_PA_HSMMC2 S3C64XX_PA_HSMMC2 #define S3C_PA_IIC S3C64XX_PA_IIC0 +#define S3C_PA_IIC1 S3C64XX_PA_IIC1 #endif /* __ASM_ARCH_6400_MAP_H */ diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig index e6e64968a611..d7a6e487f218 100644 --- a/arch/arm/plat-s3c/Kconfig +++ b/arch/arm/plat-s3c/Kconfig @@ -160,3 +160,9 @@ config S3C_DEV_HSMMC1 depends on PLAT_S3C help Compile in platform device definitions for HSMMC channel 1 + +config S3C_DEV_I2C1 + bool + depends on PLAT_S3C + help + Compile in platform device definitions for I2C channel 1 diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile index 187fa95b87d5..3fcee0c44e18 100644 --- a/arch/arm/plat-s3c/Makefile +++ b/arch/arm/plat-s3c/Makefile @@ -23,3 +23,4 @@ obj-y += gpio-config.o obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o obj-$(CONFIG_S3C_DEV_HSMMC1) += dev-hsmmc1.o obj-y += dev-i2c0.o +obj-$(CONFIG_S3C_DEV_I2C1) += dev-i2c1.o diff --git a/arch/arm/plat-s3c/dev-i2c0.c b/arch/arm/plat-s3c/dev-i2c0.c index 21870fd2ec98..2c0128c77c6e 100644 --- a/arch/arm/plat-s3c/dev-i2c0.c +++ b/arch/arm/plat-s3c/dev-i2c0.c @@ -37,12 +37,16 @@ static struct resource s3c_i2c_resource[] = { struct platform_device s3c_device_i2c0 = { .name = "s3c2410-i2c", +#ifdef CONFIG_S3C_DEV_I2C1 + .id = 0, +#else .id = -1, +#endif .num_resources = ARRAY_SIZE(s3c_i2c_resource), .resource = s3c_i2c_resource, }; -struct s3c2410_platform_i2c default_i2c_data __initdata = { +static struct s3c2410_platform_i2c default_i2c_data0 __initdata = { .flags = 0, .slave_addr = 0x10, .bus_freq = 100*1000, @@ -55,7 +59,7 @@ void __init s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *pd) struct s3c2410_platform_i2c *npd; if (!pd) - pd = &default_i2c_data; + pd = &default_i2c_data0; npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL); if (!npd) diff --git a/arch/arm/plat-s3c/dev-i2c1.c b/arch/arm/plat-s3c/dev-i2c1.c new file mode 100644 index 000000000000..9658fb0aec95 --- /dev/null +++ b/arch/arm/plat-s3c/dev-i2c1.c @@ -0,0 +1,68 @@ +/* linux/arch/arm/plat-s3c/dev-i2c1.c + * + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C series device definition for i2c device 1 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include + +#include + +#include +#include +#include +#include + +static struct resource s3c_i2c_resource[] = { + [0] = { + .start = S3C_PA_IIC1, + .end = S3C_PA_IIC1 + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IIC1, + .end = IRQ_IIC1, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device s3c_device_i2c1 = { + .name = "s3c2410-i2c", + .id = 1, + .num_resources = ARRAY_SIZE(s3c_i2c_resource), + .resource = s3c_i2c_resource, +}; + +static struct s3c2410_platform_i2c default_i2c_data1 __initdata = { + .flags = 0, + .bus_num = 1, + .slave_addr = 0x10, + .bus_freq = 100*1000, + .max_freq = 400*1000, + .sda_delay = S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON, +}; + +void __init s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *pd) +{ + struct s3c2410_platform_i2c *npd; + + if (!pd) + pd = &default_i2c_data1; + + npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL); + if (!npd) + printk(KERN_ERR "%s: no memory for platform data\n", __func__); + else if (!npd->cfg_gpio) + npd->cfg_gpio = s3c_i2c1_cfg_gpio; + + s3c_device_i2c1.dev.platform_data = npd; +} diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h index d9e0c543ebd6..0e342d1fafbb 100644 --- a/arch/arm/plat-s3c/include/plat/devs.h +++ b/arch/arm/plat-s3c/include/plat/devs.h @@ -28,6 +28,7 @@ extern struct platform_device s3c_device_usb; extern struct platform_device s3c_device_lcd; extern struct platform_device s3c_device_wdt; extern struct platform_device s3c_device_i2c0; +extern struct platform_device s3c_device_i2c1; extern struct platform_device s3c_device_iis; extern struct platform_device s3c_device_rtc; extern struct platform_device s3c_device_adc; diff --git a/arch/arm/plat-s3c/include/plat/iic.h b/arch/arm/plat-s3c/include/plat/iic.h index 5073b1e74ee8..dc1dfcb9bc6c 100644 --- a/arch/arm/plat-s3c/include/plat/iic.h +++ b/arch/arm/plat-s3c/include/plat/iic.h @@ -48,8 +48,10 @@ struct s3c2410_platform_i2c { * as the driver will no longer carry defaults. */ extern void s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *i2c); +extern void s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *i2c); /* defined by architecture to configure gpio */ extern void s3c_i2c0_cfg_gpio(struct platform_device *dev); +extern void s3c_i2c1_cfg_gpio(struct platform_device *dev); #endif /* __ASM_ARCH_IIC_H */ diff --git a/arch/arm/plat-s3c64xx/include/plat/irqs.h b/arch/arm/plat-s3c64xx/include/plat/irqs.h index bc25689c3f83..02e8dd4c97d5 100644 --- a/arch/arm/plat-s3c64xx/include/plat/irqs.h +++ b/arch/arm/plat-s3c64xx/include/plat/irqs.h @@ -70,6 +70,7 @@ #define IRQ_CAMIF_C S3C64XX_IRQ_VIC0(3) #define IRQ_CAMIF_P S3C64XX_IRQ_VIC0(4) #define IRQ_CAMIF_MC S3C64XX_IRQ_VIC0(5) +#define IRQ_S3C6410_IIC1 S3C64XX_IRQ_VIC0(5) #define IRQ_S3C6410_IIS S3C64XX_IRQ_VIC0(6) #define IRQ_S3C6400_CAMIF_MP S3C64XX_IRQ_VIC0(6) #define IRQ_CAMIF_WE_C S3C64XX_IRQ_VIC0(7) @@ -144,6 +145,10 @@ #define IRQ_TIMER3 S3C64XX_TIMER_IRQ(3) #define IRQ_TIMER4 S3C64XX_TIMER_IRQ(4) +/* compatibility for device defines */ + +#define IRQ_IIC1 IRQ_S3C6410_IIC1 + /* Since the IRQ_EINT(x) are a linear mapping on current s3c64xx series * we just defined them as an IRQ_EINT(x) macro from S3C_IRQ_EINT_BASE * which we place after the pair of VICs. */ From 58435f7b2d1aa1ca1b08a2eecc36e13291342cfc Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Wed, 19 Nov 2008 15:41:31 +0000 Subject: [PATCH 29/31] [ARM] S3C: Add new FB device definition Add a device definition for the new S3C framebuffer driver. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6400/include/mach/map.h | 2 + arch/arm/plat-s3c/Kconfig | 6 ++ arch/arm/plat-s3c/Makefile | 1 + arch/arm/plat-s3c/dev-fb.c | 72 ++++++++++++++++++++++++ arch/arm/plat-s3c/include/plat/devs.h | 1 + 5 files changed, 82 insertions(+) create mode 100644 arch/arm/plat-s3c/dev-fb.c diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c6400/include/mach/map.h index 4d5cd7ee8c15..cff27d813fc6 100644 --- a/arch/arm/mach-s3c6400/include/mach/map.h +++ b/arch/arm/mach-s3c6400/include/mach/map.h @@ -38,6 +38,7 @@ #define S3C_VA_UART2 S3C_VA_UARTx(2) #define S3C_VA_UART3 S3C_VA_UARTx(3) +#define S3C64XX_PA_FB (0x77100000) #define S3C64XX_PA_SYSCON (0x7E00F000) #define S3C64XX_PA_TIMER (0x7F006000) #define S3C64XX_PA_IIC0 (0x7F004000) @@ -62,5 +63,6 @@ #define S3C_PA_HSMMC2 S3C64XX_PA_HSMMC2 #define S3C_PA_IIC S3C64XX_PA_IIC0 #define S3C_PA_IIC1 S3C64XX_PA_IIC1 +#define S3C_PA_FB S3C64XX_PA_FB #endif /* __ASM_ARCH_6400_MAP_H */ diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig index d7a6e487f218..e80a32822d88 100644 --- a/arch/arm/plat-s3c/Kconfig +++ b/arch/arm/plat-s3c/Kconfig @@ -166,3 +166,9 @@ config S3C_DEV_I2C1 depends on PLAT_S3C help Compile in platform device definitions for I2C channel 1 + +config S3C_DEV_FB + bool + depends on PLAT_S3C + help + Compile in platform device definition for framebuffer diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile index 3fcee0c44e18..39195f972d5e 100644 --- a/arch/arm/plat-s3c/Makefile +++ b/arch/arm/plat-s3c/Makefile @@ -24,3 +24,4 @@ obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o obj-$(CONFIG_S3C_DEV_HSMMC1) += dev-hsmmc1.o obj-y += dev-i2c0.o obj-$(CONFIG_S3C_DEV_I2C1) += dev-i2c1.o +obj-$(CONFIG_S3C_DEV_FB) += dev-fb.o diff --git a/arch/arm/plat-s3c/dev-fb.c b/arch/arm/plat-s3c/dev-fb.c new file mode 100644 index 000000000000..0454b8ec02e2 --- /dev/null +++ b/arch/arm/plat-s3c/dev-fb.c @@ -0,0 +1,72 @@ +/* linux/arch/arm/plat-s3c/dev-fb.c + * + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C series device definition for framebuffer device + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include +#include + +#include +#include + +#include +#include +#include + +static struct resource s3c_fb_resource[] = { + [0] = { + .start = S3C_PA_FB, + .end = S3C_PA_FB + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_LCD_VSYNC, + .end = IRQ_LCD_VSYNC, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = IRQ_LCD_FIFO, + .end = IRQ_LCD_FIFO, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = IRQ_LCD_SYSTEM, + .end = IRQ_LCD_SYSTEM, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device s3c_device_fb = { + .name = "s3c-fb", + .id = -1, + .num_resources = ARRAY_SIZE(s3c_fb_resource), + .resource = s3c_fb_resource, + .dev.dma_mask = &s3c_device_fb.dev.coherent_dma_mask, + .dev.coherent_dma_mask = 0xffffffffUL, +}; + +void __init s3c_fb_set_platdata(struct s3c_fb_platdata *pd) +{ + struct s3c_fb_platdata *npd; + + if (!pd) { + printk(KERN_ERR "%s: no platform data\n", __func__); + return; + } + + npd = kmemdup(pd, sizeof(struct s3c_fb_platdata), GFP_KERNEL); + if (!npd) + printk(KERN_ERR "%s: no memory for platform data\n", __func__); + + s3c_device_fb.dev.platform_data = npd; +} diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h index 0e342d1fafbb..6b1b5231511c 100644 --- a/arch/arm/plat-s3c/include/plat/devs.h +++ b/arch/arm/plat-s3c/include/plat/devs.h @@ -24,6 +24,7 @@ extern struct platform_device *s3c24xx_uart_src[]; extern struct platform_device s3c_device_timer[]; +extern struct platform_device s3c_device_fb; extern struct platform_device s3c_device_usb; extern struct platform_device s3c_device_lcd; extern struct platform_device s3c_device_wdt; From c7a0401e61447ebc2b7a8923c78875a2c300e548 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Wed, 19 Nov 2008 15:41:33 +0000 Subject: [PATCH 30/31] [ARM] S3C64XX: Add standard S3C64XX 24BPP LCD GPIO setup Add a standard helper to configure the LCD output pins for a 24BPP display with VSYNC/HSYNC/VDEN. Signed-off-by: Ben Dooks --- arch/arm/plat-s3c64xx/Kconfig | 5 ++++ arch/arm/plat-s3c64xx/Makefile | 1 + arch/arm/plat-s3c64xx/setup-fb-24bpp.c | 37 ++++++++++++++++++++++++++ 3 files changed, 43 insertions(+) create mode 100644 arch/arm/plat-s3c64xx/setup-fb-24bpp.c diff --git a/arch/arm/plat-s3c64xx/Kconfig b/arch/arm/plat-s3c64xx/Kconfig index 9037eb470761..203dd730d1ca 100644 --- a/arch/arm/plat-s3c64xx/Kconfig +++ b/arch/arm/plat-s3c64xx/Kconfig @@ -53,4 +53,9 @@ config S3C64XX_SETUP_I2C1 help Common setup code for i2c bus 1. +config S3C64XX_SETUP_FB_24BPP + bool + help + Common setup code for S3C64XX with an 24bpp RGB display helper. + endif diff --git a/arch/arm/plat-s3c64xx/Makefile b/arch/arm/plat-s3c64xx/Makefile index 0a0b8c48a3e6..2e6d79bf8f33 100644 --- a/arch/arm/plat-s3c64xx/Makefile +++ b/arch/arm/plat-s3c64xx/Makefile @@ -28,3 +28,4 @@ obj-$(CONFIG_CPU_S3C6400_CLOCK) += s3c6400-clock.o obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o +obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP) += setup-fb-24bpp.o diff --git a/arch/arm/plat-s3c64xx/setup-fb-24bpp.c b/arch/arm/plat-s3c64xx/setup-fb-24bpp.c new file mode 100644 index 000000000000..8e28e448dd20 --- /dev/null +++ b/arch/arm/plat-s3c64xx/setup-fb-24bpp.c @@ -0,0 +1,37 @@ +/* linux/arch/arm/plat-s3c64xx/setup-fb-24bpp.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * Base S3C64XX setup information for 24bpp LCD framebuffer + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include +#include + +#include +#include +#include +#include + +extern void s3c64xx_fb_gpio_setup_24bpp(void) +{ + unsigned int gpio; + + for (gpio = S3C64XX_GPI(0); gpio <= S3C64XX_GPI(15); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + for (gpio = S3C64XX_GPJ(0); gpio <= S3C64XX_GPJ(11); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } +} From 438a5d42e052ec6126c5f1e24763b711210db33e Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Wed, 19 Nov 2008 15:41:34 +0000 Subject: [PATCH 31/31] [ARM] SMDK6410: Add LCD (LCD48WVGA) definitions Add support for the LCD 48WVGA module attached to the SMDK6410. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c6410/Kconfig | 2 + arch/arm/mach-s3c6410/mach-smdk6410.c | 71 +++++++++++++++++++++++++++ 2 files changed, 73 insertions(+) diff --git a/arch/arm/mach-s3c6410/Kconfig b/arch/arm/mach-s3c6410/Kconfig index d00b5605100d..1d5010070027 100644 --- a/arch/arm/mach-s3c6410/Kconfig +++ b/arch/arm/mach-s3c6410/Kconfig @@ -25,8 +25,10 @@ config MACH_SMDK6410 select S3C_DEV_HSMMC select S3C_DEV_HSMMC1 select S3C_DEV_I2C1 + select S3C_DEV_FB select S3C6410_SETUP_SDHCI select S3C64XX_SETUP_I2C1 + select S3C64XX_SETUP_FB_24BPP help Machine support for the Samsung SMDK6410 diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c6410/mach-smdk6410.c index b900244a91d3..ae3bd5c2b8c6 100644 --- a/arch/arm/mach-s3c6410/mach-smdk6410.c +++ b/arch/arm/mach-s3c6410/mach-smdk6410.c @@ -21,12 +21,18 @@ #include #include #include +#include +#include +#include + +#include