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linux-sg2042/arch/arm/mach-omap1/board-fsample.c

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/*
* linux/arch/arm/mach-omap1/board-fsample.c
*
* Modified from board-perseus2.c
*
* Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
* Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
*
* 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 <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/input.h>
#include <linux/smc91x.h>
#include <linux/omapfb.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/tc.h>
#include <mach/mux.h>
#include "flash.h"
#include <linux/platform_data/keypad-omap.h>
#include <mach/hardware.h>
#include "iomap.h"
#include "common.h"
#include "fpga.h"
/* fsample is pretty close to p2-sample */
#define fsample_cpld_read(reg) __raw_readb(reg)
#define fsample_cpld_write(val, reg) __raw_writeb(val, reg)
#define FSAMPLE_CPLD_BASE 0xE8100000
#define FSAMPLE_CPLD_SIZE SZ_4K
#define FSAMPLE_CPLD_START 0x05080000
#define FSAMPLE_CPLD_REG_A (FSAMPLE_CPLD_BASE + 0x00)
#define FSAMPLE_CPLD_SWITCH (FSAMPLE_CPLD_BASE + 0x02)
#define FSAMPLE_CPLD_UART (FSAMPLE_CPLD_BASE + 0x02)
#define FSAMPLE_CPLD_REG_B (FSAMPLE_CPLD_BASE + 0x04)
#define FSAMPLE_CPLD_VERSION (FSAMPLE_CPLD_BASE + 0x06)
#define FSAMPLE_CPLD_SET_CLR (FSAMPLE_CPLD_BASE + 0x06)
#define FSAMPLE_CPLD_BIT_BT_RESET 0
#define FSAMPLE_CPLD_BIT_LCD_RESET 1
#define FSAMPLE_CPLD_BIT_CAM_PWDN 2
#define FSAMPLE_CPLD_BIT_CHARGER_ENABLE 3
#define FSAMPLE_CPLD_BIT_SD_MMC_EN 4
#define FSAMPLE_CPLD_BIT_aGPS_PWREN 5
#define FSAMPLE_CPLD_BIT_BACKLIGHT 6
#define FSAMPLE_CPLD_BIT_aGPS_EN_RESET 7
#define FSAMPLE_CPLD_BIT_aGPS_SLEEPx_N 8
#define FSAMPLE_CPLD_BIT_OTG_RESET 9
#define fsample_cpld_set(bit) \
fsample_cpld_write((((bit) & 15) << 4) | 0x0f, FSAMPLE_CPLD_SET_CLR)
#define fsample_cpld_clear(bit) \
fsample_cpld_write(0xf0 | ((bit) & 15), FSAMPLE_CPLD_SET_CLR)
static const unsigned int fsample_keymap[] = {
KEY(0, 0, KEY_UP),
KEY(1, 0, KEY_RIGHT),
KEY(2, 0, KEY_LEFT),
KEY(3, 0, KEY_DOWN),
KEY(4, 0, KEY_ENTER),
KEY(0, 1, KEY_F10),
KEY(1, 1, KEY_SEND),
KEY(2, 1, KEY_END),
KEY(3, 1, KEY_VOLUMEDOWN),
KEY(4, 1, KEY_VOLUMEUP),
KEY(5, 1, KEY_RECORD),
KEY(0, 2, KEY_F9),
KEY(1, 2, KEY_3),
KEY(2, 2, KEY_6),
KEY(3, 2, KEY_9),
KEY(4, 2, KEY_KPDOT),
KEY(0, 3, KEY_BACK),
KEY(1, 3, KEY_2),
KEY(2, 3, KEY_5),
KEY(3, 3, KEY_8),
KEY(4, 3, KEY_0),
KEY(5, 3, KEY_KPSLASH),
KEY(0, 4, KEY_HOME),
KEY(1, 4, KEY_1),
KEY(2, 4, KEY_4),
KEY(3, 4, KEY_7),
KEY(4, 4, KEY_KPASTERISK),
KEY(5, 4, KEY_POWER),
};
static struct smc91x_platdata smc91x_info = {
.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
.leda = RPC_LED_100_10,
.ledb = RPC_LED_TX_RX,
};
static struct resource smc91x_resources[] = {
[0] = {
.start = H2P2_DBG_FPGA_ETHR_START, /* Physical */
.end = H2P2_DBG_FPGA_ETHR_START + 0xf,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = INT_7XX_MPU_EXT_NIRQ,
.end = 0,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
},
};
static void __init fsample_init_smc91x(void)
{
__raw_writeb(1, H2P2_DBG_FPGA_LAN_RESET);
mdelay(50);
__raw_writeb(__raw_readb(H2P2_DBG_FPGA_LAN_RESET) & ~1,
H2P2_DBG_FPGA_LAN_RESET);
mdelay(50);
}
static struct mtd_partition nor_partitions[] = {
/* bootloader (U-Boot, etc) in first sector */
{
.name = "bootloader",
.offset = 0,
.size = SZ_128K,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
/* bootloader params in the next sector */
{
.name = "params",
.offset = MTDPART_OFS_APPEND,
.size = SZ_128K,
.mask_flags = 0,
},
/* kernel */
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_2M,
.mask_flags = 0
},
/* rest of flash is a file system */
{
.name = "rootfs",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0
},
};
static struct physmap_flash_data nor_data = {
.width = 2,
.set_vpp = omap1_set_vpp,
.parts = nor_partitions,
.nr_parts = ARRAY_SIZE(nor_partitions),
};
static struct resource nor_resource = {
.start = OMAP_CS0_PHYS,
.end = OMAP_CS0_PHYS + SZ_32M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device nor_device = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &nor_data,
},
.num_resources = 1,
.resource = &nor_resource,
};
#define FSAMPLE_NAND_RB_GPIO_PIN 62
static int nand_dev_ready(struct mtd_info *mtd)
{
return gpio_get_value(FSAMPLE_NAND_RB_GPIO_PIN);
}
static struct platform_nand_data nand_data = {
.chip = {
.nr_chips = 1,
.chip_offset = 0,
.options = NAND_SAMSUNG_LP_OPTIONS,
},
.ctrl = {
.cmd_ctrl = omap1_nand_cmd_ctl,
.dev_ready = nand_dev_ready,
},
};
static struct resource nand_resource = {
.start = OMAP_CS3_PHYS,
.end = OMAP_CS3_PHYS + SZ_4K - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device nand_device = {
.name = "gen_nand",
.id = 0,
.dev = {
.platform_data = &nand_data,
},
.num_resources = 1,
.resource = &nand_resource,
};
static struct platform_device smc91x_device = {
.name = "smc91x",
.id = 0,
.dev = {
.platform_data = &smc91x_info,
},
.num_resources = ARRAY_SIZE(smc91x_resources),
.resource = smc91x_resources,
};
static struct resource kp_resources[] = {
[0] = {
.start = INT_7XX_MPUIO_KEYPAD,
.end = INT_7XX_MPUIO_KEYPAD,
.flags = IORESOURCE_IRQ,
},
};
static const struct matrix_keymap_data fsample_keymap_data = {
.keymap = fsample_keymap,
.keymap_size = ARRAY_SIZE(fsample_keymap),
};
static struct omap_kp_platform_data kp_data = {
.rows = 8,
.cols = 8,
.keymap_data = &fsample_keymap_data,
.delay = 4,
};
static struct platform_device kp_device = {
.name = "omap-keypad",
.id = -1,
.dev = {
.platform_data = &kp_data,
},
.num_resources = ARRAY_SIZE(kp_resources),
.resource = kp_resources,
};
static struct platform_device *devices[] __initdata = {
&nor_device,
&nand_device,
&smc91x_device,
&kp_device,
};
static struct omap_lcd_config fsample_lcd_config = {
.ctrl_name = "internal",
};
static void __init omap_fsample_init(void)
{
/* Early, board-dependent init */
/*
* Hold GSM Reset until needed
*/
omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL);
/*
* UARTs -> done automagically by 8250 driver
*/
/*
* CSx timings, GPIO Mux ... setup
*/
/* Flash: CS0 timings setup */
omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0);
omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0);
/*
* Ethernet support through the debug board
* CS1 timings setup
*/
omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1);
omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1);
/*
* Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
* It is used as the Ethernet controller interrupt
*/
omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF,
OMAP7XX_IO_CONF_9);
fsample_init_smc91x();
BUG_ON(gpio_request(FSAMPLE_NAND_RB_GPIO_PIN, "NAND ready") < 0);
gpio_direction_input(FSAMPLE_NAND_RB_GPIO_PIN);
omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
/* Mux pins for keypad */
omap_cfg_reg(E2_7XX_KBR0);
omap_cfg_reg(J7_7XX_KBR1);
omap_cfg_reg(E1_7XX_KBR2);
omap_cfg_reg(F3_7XX_KBR3);
omap_cfg_reg(D2_7XX_KBR4);
omap_cfg_reg(C2_7XX_KBC0);
omap_cfg_reg(D3_7XX_KBC1);
omap_cfg_reg(E4_7XX_KBC2);
omap_cfg_reg(F4_7XX_KBC3);
omap_cfg_reg(E3_7XX_KBC4);
platform_add_devices(devices, ARRAY_SIZE(devices));
omap_serial_init();
omap_register_i2c_bus(1, 100, NULL, 0);
omapfb_set_lcd_config(&fsample_lcd_config);
}
/* Only FPGA needs to be mapped here. All others are done with ioremap */
static struct map_desc omap_fsample_io_desc[] __initdata = {
{
.virtual = H2P2_DBG_FPGA_BASE,
.pfn = __phys_to_pfn(H2P2_DBG_FPGA_START),
.length = H2P2_DBG_FPGA_SIZE,
.type = MT_DEVICE
},
{
.virtual = FSAMPLE_CPLD_BASE,
.pfn = __phys_to_pfn(FSAMPLE_CPLD_START),
.length = FSAMPLE_CPLD_SIZE,
.type = MT_DEVICE
}
};
static void __init omap_fsample_map_io(void)
{
omap15xx_map_io();
iotable_init(omap_fsample_io_desc,
ARRAY_SIZE(omap_fsample_io_desc));
}
MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
/* Maintainer: Brian Swetland <swetland@google.com> */
.atag_offset = 0x100,
.map_io = omap_fsample_map_io,
.init_early = omap1_init_early,
.init_irq = omap1_init_irq,
.handle_irq = omap1_handle_irq,
.init_machine = omap_fsample_init,
.init_late = omap1_init_late,
.init_time = omap1_timer_init,
.restart = omap1_restart,
MACHINE_END
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