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Add i.MX25 support 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2009-06-04 11:32:12 +02:00
parent a058cbc179
commit 8c25c36f33
19 changed files with 816 additions and 1 deletions
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1
arch/arm/Makefile
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@ -135,6 +135,7 @@ machine-$(CONFIG_ARCH_MSM) := msm
machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
machine-$(CONFIG_ARCH_MX1) := mx1
machine-$(CONFIG_ARCH_MX2) := mx2
machine-$(CONFIG_ARCH_MX25) := mx25
machine-$(CONFIG_ARCH_MX3) := mx3
machine-$(CONFIG_ARCH_NETX) := netx
machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx

5
arch/arm/mach-mx25/Kconfig Normal file
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@ -0,0 +1,5 @@
if ARCH_MX25
comment "MX25 platforms:"
endif

2
arch/arm/mach-mx25/Makefile Normal file
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@ -0,0 +1,2 @@
obj-y := mm.o devices.o
obj-$(CONFIG_ARCH_MX25) += clock.o

3
arch/arm/mach-mx25/Makefile.boot Normal file
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@ -0,0 +1,3 @@
zreladdr-y := 0x80008000
params_phys-y := 0x80000100
initrd_phys-y := 0x80800000

219
arch/arm/mach-mx25/clock.c Normal file
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@ -0,0 +1,219 @@
/*
* Copyright (C) 2009 by Sascha Hauer, Pengutronix
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <asm/clkdev.h>
#include <mach/clock.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/mx25.h>
#define CRM_BASE MX25_IO_ADDRESS(MX25_CRM_BASE_ADDR)
#define CCM_MPCTL 0x00
#define CCM_UPCTL 0x04
#define CCM_CCTL 0x08
#define CCM_CGCR0 0x0C
#define CCM_CGCR1 0x10
#define CCM_CGCR2 0x14
#define CCM_PCDR0 0x18
#define CCM_PCDR1 0x1C
#define CCM_PCDR2 0x20
#define CCM_PCDR3 0x24
#define CCM_RCSR 0x28
#define CCM_CRDR 0x2C
#define CCM_DCVR0 0x30
#define CCM_DCVR1 0x34
#define CCM_DCVR2 0x38
#define CCM_DCVR3 0x3c
#define CCM_LTR0 0x40
#define CCM_LTR1 0x44
#define CCM_LTR2 0x48
#define CCM_LTR3 0x4c
static unsigned long get_rate_mpll(void)
{
ulong mpctl = __raw_readl(CRM_BASE + CCM_MPCTL);
return mxc_decode_pll(mpctl, 24000000);
}
static unsigned long get_rate_upll(void)
{
ulong mpctl = __raw_readl(CRM_BASE + CCM_UPCTL);
return mxc_decode_pll(mpctl, 24000000);
}
unsigned long get_rate_arm(struct clk *clk)
{
unsigned long cctl = readl(CRM_BASE + CCM_CCTL);
unsigned long rate = get_rate_mpll();
if (cctl & (1 << 14))
rate = (rate * 3) >> 1;
return rate / ((cctl >> 30) + 1);
}
static unsigned long get_rate_ahb(struct clk *clk)
{
unsigned long cctl = readl(CRM_BASE + CCM_CCTL);
return get_rate_arm(NULL) / (((cctl >> 28) & 0x3) + 1);
}
static unsigned long get_rate_ipg(struct clk *clk)
{
return get_rate_ahb(NULL) >> 1;
}
static unsigned long get_rate_per(int per)
{
unsigned long ofs = (per & 0x3) * 8;
unsigned long reg = per & ~0x3;
unsigned long val = (readl(CRM_BASE + CCM_PCDR0 + reg) >> ofs) & 0x3f;
unsigned long fref;
if (readl(CRM_BASE + 0x64) & (1 << per))
fref = get_rate_upll();
else
fref = get_rate_ipg(NULL);
return fref / (val + 1);
}
static unsigned long get_rate_uart(struct clk *clk)
{
return get_rate_per(15);
}
static unsigned long get_rate_i2c(struct clk *clk)
{
return get_rate_per(6);
}
static unsigned long get_rate_nfc(struct clk *clk)
{
return get_rate_per(8);
}
static unsigned long get_rate_otg(struct clk *clk)
{
return 48000000; /* FIXME */
}
static int clk_cgcr_enable(struct clk *clk)
{
u32 reg;
reg = __raw_readl(clk->enable_reg);
reg |= 1 << clk->enable_shift;
__raw_writel(reg, clk->enable_reg);
return 0;
}
static void clk_cgcr_disable(struct clk *clk)
{
u32 reg;
reg = __raw_readl(clk->enable_reg);
reg &= ~(1 << clk->enable_shift);
__raw_writel(reg, clk->enable_reg);
}
#define DEFINE_CLOCK(name, i, er, es, gr, sr) \
static struct clk name = { \
.id = i, \
.enable_reg = CRM_BASE + er, \
.enable_shift = es, \
.get_rate = gr, \
.set_rate = sr, \
.enable = clk_cgcr_enable, \
.disable = clk_cgcr_disable, \
}
DEFINE_CLOCK(gpt_clk, 0, CCM_CGCR0, 5, get_rate_ipg, NULL);
DEFINE_CLOCK(cspi1_clk, 0, CCM_CGCR1, 5, get_rate_ipg, NULL);
DEFINE_CLOCK(cspi2_clk, 0, CCM_CGCR1, 6, get_rate_ipg, NULL);
DEFINE_CLOCK(cspi3_clk, 0, CCM_CGCR1, 7, get_rate_ipg, NULL);
DEFINE_CLOCK(uart1_clk, 0, CCM_CGCR2, 14, get_rate_uart, NULL);
DEFINE_CLOCK(uart2_clk, 0, CCM_CGCR2, 15, get_rate_uart, NULL);
DEFINE_CLOCK(uart3_clk, 0, CCM_CGCR2, 16, get_rate_uart, NULL);
DEFINE_CLOCK(uart4_clk, 0, CCM_CGCR2, 17, get_rate_uart, NULL);
DEFINE_CLOCK(uart5_clk, 0, CCM_CGCR2, 18, get_rate_uart, NULL);
DEFINE_CLOCK(nfc_clk, 0, CCM_CGCR0, 8, get_rate_nfc, NULL);
DEFINE_CLOCK(usbotg_clk, 0, CCM_CGCR0, 28, get_rate_otg, NULL);
DEFINE_CLOCK(pwm1_clk, 0, CCM_CGCR1, 31, get_rate_ipg, NULL);
DEFINE_CLOCK(pwm2_clk, 0, CCM_CGCR2, 0, get_rate_ipg, NULL);
DEFINE_CLOCK(pwm3_clk, 0, CCM_CGCR2, 1, get_rate_ipg, NULL);
DEFINE_CLOCK(pwm4_clk, 0, CCM_CGCR2, 2, get_rate_ipg, NULL);
DEFINE_CLOCK(kpp_clk, 0, CCM_CGCR1, 28, get_rate_ipg, NULL);
DEFINE_CLOCK(tsc_clk, 0, CCM_CGCR2, 13, get_rate_ipg, NULL);
DEFINE_CLOCK(i2c_clk, 0, CCM_CGCR0, 6, get_rate_i2c, NULL);
#define _REGISTER_CLOCK(d, n, c) \
{ \
.dev_id = d, \
.con_id = n, \
.clk = &c, \
},
static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
_REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
_REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
_REGISTER_CLOCK("imx-uart.3", NULL, uart4_clk)
_REGISTER_CLOCK("imx-uart.4", NULL, uart5_clk)
_REGISTER_CLOCK("mxc-ehci.0", "usb", usbotg_clk)
_REGISTER_CLOCK("mxc-ehci.1", "usb", usbotg_clk)
_REGISTER_CLOCK("mxc-ehci.2", "usb", usbotg_clk)
_REGISTER_CLOCK("fsl-usb2-udc", "usb", usbotg_clk)
_REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk)
_REGISTER_CLOCK("spi_imx.0", NULL, cspi1_clk)
_REGISTER_CLOCK("spi_imx.1", NULL, cspi2_clk)
_REGISTER_CLOCK("spi_imx.2", NULL, cspi3_clk)
_REGISTER_CLOCK("mxc_pwm.0", NULL, pwm1_clk)
_REGISTER_CLOCK("mxc_pwm.1", NULL, pwm2_clk)
_REGISTER_CLOCK("mxc_pwm.2", NULL, pwm3_clk)
_REGISTER_CLOCK("mxc_pwm.3", NULL, pwm4_clk)
_REGISTER_CLOCK("mxc-keypad", NULL, kpp_clk)
_REGISTER_CLOCK("mx25-adc", NULL, tsc_clk)
_REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk)
_REGISTER_CLOCK("imx-i2c.1", NULL, i2c_clk)
_REGISTER_CLOCK("imx-i2c.2", NULL, i2c_clk)
};
int __init mx25_clocks_init(unsigned long fref)
{
int i;
for (i = 0; i < ARRAY_SIZE(lookups); i++)
clkdev_add(&lookups[i]);
mxc_timer_init(&gpt_clk, MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54);
return 0;
}

402
arch/arm/mach-mx25/devices.c Normal file
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@ -0,0 +1,402 @@
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <mach/mx25.h>
#include <mach/irqs.h>
static struct resource uart0[] = {
{
.start = 0x43f90000,
.end = 0x43f93fff,
.flags = IORESOURCE_MEM,
}, {
.start = 45,
.end = 45,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_uart_device0 = {
.name = "imx-uart",
.id = 0,
.resource = uart0,
.num_resources = ARRAY_SIZE(uart0),
};
static struct resource uart1[] = {
{
.start = 0x43f94000,
.end = 0x43f97fff,
.flags = IORESOURCE_MEM,
}, {
.start = 32,
.end = 32,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_uart_device1 = {
.name = "imx-uart",
.id = 1,
.resource = uart1,
.num_resources = ARRAY_SIZE(uart1),
};
static struct resource uart2[] = {
{
.start = 0x5000c000,
.end = 0x5000ffff,
.flags = IORESOURCE_MEM,
}, {
.start = 18,
.end = 18,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_uart_device2 = {
.name = "imx-uart",
.id = 2,
.resource = uart2,
.num_resources = ARRAY_SIZE(uart2),
};
static struct resource uart3[] = {
{
.start = 0x50008000,
.end = 0x5000bfff,
.flags = IORESOURCE_MEM,
}, {
.start = 5,
.end = 5,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_uart_device3 = {
.name = "imx-uart",
.id = 3,
.resource = uart3,
.num_resources = ARRAY_SIZE(uart3),
};
static struct resource uart4[] = {
{
.start = 0x5002c000,
.end = 0x5002ffff,
.flags = IORESOURCE_MEM,
}, {
.start = 40,
.end = 40,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_uart_device4 = {
.name = "imx-uart",
.id = 4,
.resource = uart4,
.num_resources = ARRAY_SIZE(uart4),
};
#define MX25_OTG_BASE_ADDR 0x53FF4000
static u64 otg_dmamask = DMA_BIT_MASK(32);
static struct resource mxc_otg_resources[] = {
{
.start = MX25_OTG_BASE_ADDR,
.end = MX25_OTG_BASE_ADDR + 0x1ff,
.flags = IORESOURCE_MEM,
}, {
.start = 37,
.end = 37,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_otg = {
.name = "mxc-ehci",
.id = 0,
.dev = {
.coherent_dma_mask = 0xffffffff,
.dma_mask = &otg_dmamask,
},
.resource = mxc_otg_resources,
.num_resources = ARRAY_SIZE(mxc_otg_resources),
};
/* OTG gadget device */
struct platform_device otg_udc_device = {
.name = "fsl-usb2-udc",
.id = -1,
.dev = {
.dma_mask = &otg_dmamask,
.coherent_dma_mask = 0xffffffff,
},
.resource = mxc_otg_resources,
.num_resources = ARRAY_SIZE(mxc_otg_resources),
};
static u64 usbh2_dmamask = DMA_BIT_MASK(32);
static struct resource mxc_usbh2_resources[] = {
{
.start = MX25_OTG_BASE_ADDR + 0x400,
.end = MX25_OTG_BASE_ADDR + 0x5ff,
.flags = IORESOURCE_MEM,
}, {
.start = 35,
.end = 35,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_usbh2 = {
.name = "mxc-ehci",
.id = 1,
.dev = {
.coherent_dma_mask = 0xffffffff,
.dma_mask = &usbh2_dmamask,
},
.resource = mxc_usbh2_resources,
.num_resources = ARRAY_SIZE(mxc_usbh2_resources),
};
static struct resource mxc_spi_resources0[] = {
{
.start = 0x43fa4000,
.end = 0x43fa7fff,
.flags = IORESOURCE_MEM,
}, {
.start = 14,
.end = 14,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_spi_device0 = {
.name = "spi_imx",
.id = 0,
.num_resources = ARRAY_SIZE(mxc_spi_resources0),
.resource = mxc_spi_resources0,
};
static struct resource mxc_spi_resources1[] = {
{
.start = 0x50010000,
.end = 0x50013fff,
.flags = IORESOURCE_MEM,
}, {
.start = 13,
.end = 13,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_spi_device1 = {
.name = "spi_imx",
.id = 1,
.num_resources = ARRAY_SIZE(mxc_spi_resources1),
.resource = mxc_spi_resources1,
};
static struct resource mxc_spi_resources2[] = {
{
.start = 0x50004000,
.end = 0x50007fff,
.flags = IORESOURCE_MEM,
}, {
.start = 0,
.end = 0,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_spi_device2 = {
.name = "spi_imx",
.id = 2,
.num_resources = ARRAY_SIZE(mxc_spi_resources2),
.resource = mxc_spi_resources2,
};
static struct resource mxc_pwm_resources0[] = {
{
.start = 0x53fe0000,
.end = 0x53fe3fff,
.flags = IORESOURCE_MEM,
}, {
.start = 26,
.end = 26,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device mxc_pwm_device0 = {
.name = "mxc_pwm",
.id = 0,
.num_resources = ARRAY_SIZE(mxc_pwm_resources0),
.resource = mxc_pwm_resources0,
};
static struct resource mxc_pwm_resources1[] = {
{
.start = 0x53fa0000,
.end = 0x53fa3fff,
.flags = IORESOURCE_MEM,
}, {
.start = 36,
.end = 36,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device mxc_pwm_device1 = {
.name = "mxc_pwm",
.id = 1,
.num_resources = ARRAY_SIZE(mxc_pwm_resources1),
.resource = mxc_pwm_resources1,
};
static struct resource mxc_pwm_resources2[] = {
{
.start = 0x53fa8000,
.end = 0x53fabfff,
.flags = IORESOURCE_MEM,
}, {
.start = 41,
.end = 41,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device mxc_pwm_device2 = {
.name = "mxc_pwm",
.id = 2,
.num_resources = ARRAY_SIZE(mxc_pwm_resources2),
.resource = mxc_pwm_resources2,
};
static struct resource mxc_keypad_resources[] = {
{
.start = 0x43fa8000,
.end = 0x43fabfff,
.flags = IORESOURCE_MEM,
}, {
.start = 24,
.end = 24,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device mxc_keypad_device = {
.name = "mxc-keypad",
.id = -1,
.num_resources = ARRAY_SIZE(mxc_keypad_resources),
.resource = mxc_keypad_resources,
};
static struct resource mxc_pwm_resources3[] = {
{
.start = 0x53fc8000,
.end = 0x53fcbfff,
.flags = IORESOURCE_MEM,
}, {
.start = 42,
.end = 42,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device mxc_pwm_device3 = {
.name = "mxc_pwm",
.id = 3,
.num_resources = ARRAY_SIZE(mxc_pwm_resources3),
.resource = mxc_pwm_resources3,
};
static struct resource mxc_i2c_1_resources[] = {
{
.start = 0x43f80000,
.end = 0x43f83fff,
.flags = IORESOURCE_MEM,
}, {
.start = 3,
.end = 3,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device mxc_i2c_device0 = {
.name = "imx-i2c",
.id = 0,
.num_resources = ARRAY_SIZE(mxc_i2c_1_resources),
.resource = mxc_i2c_1_resources,
};
static struct resource mxc_i2c_2_resources[] = {
{
.start = 0x43f98000,
.end = 0x43f9bfff,
.flags = IORESOURCE_MEM,
}, {
.start = 4,
.end = 4,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device mxc_i2c_device1 = {
.name = "imx-i2c",
.id = 1,
.num_resources = ARRAY_SIZE(mxc_i2c_2_resources),
.resource = mxc_i2c_2_resources,
};
static struct resource mxc_i2c_3_resources[] = {
{
.start = 0x43f84000,
.end = 0x43f87fff,
.flags = IORESOURCE_MEM,
}, {
.start = 10,
.end = 10,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device mxc_i2c_device2 = {
.name = "imx-i2c",
.id = 2,
.num_resources = ARRAY_SIZE(mxc_i2c_3_resources),
.resource = mxc_i2c_3_resources,
};
static struct mxc_gpio_port imx_gpio_ports[] = {
{
.chip.label = "gpio-0",
.base = (void __iomem *)MX25_GPIO1_BASE_ADDR_VIRT,
.irq = 52,
.virtual_irq_start = MXC_GPIO_IRQ_START,
}, {
.chip.label = "gpio-1",
.base = (void __iomem *)MX25_GPIO2_BASE_ADDR_VIRT,
.irq = 51,
.virtual_irq_start = MXC_GPIO_IRQ_START + 32,
}, {
.chip.label = "gpio-2",
.base = (void __iomem *)MX25_GPIO3_BASE_ADDR_VIRT,
.irq = 16,
.virtual_irq_start = MXC_GPIO_IRQ_START + 64,
}, {
.chip.label = "gpio-3",
.base = (void __iomem *)MX25_GPIO4_BASE_ADDR_VIRT,
.irq = 23,
.virtual_irq_start = MXC_GPIO_IRQ_START + 96,
}
};
int __init mxc_register_gpios(void)
{
return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
}

19
arch/arm/mach-mx25/devices.h Normal file
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@ -0,0 +1,19 @@
extern struct platform_device mxc_uart_device0;
extern struct platform_device mxc_uart_device1;
extern struct platform_device mxc_uart_device2;
extern struct platform_device mxc_uart_device3;
extern struct platform_device mxc_uart_device4;
extern struct platform_device mxc_otg;
extern struct platform_device otg_udc_device;
extern struct platform_device mxc_usbh2;
extern struct platform_device mxc_spi_device0;
extern struct platform_device mxc_spi_device1;
extern struct platform_device mxc_spi_device2;
extern struct platform_device mxc_pwm_device0;
extern struct platform_device mxc_pwm_device1;
extern struct platform_device mxc_pwm_device2;
extern struct platform_device mxc_pwm_device3;
extern struct platform_device mxc_keypad_device;
extern struct platform_device mxc_i2c_device0;
extern struct platform_device mxc_i2c_device1;
extern struct platform_device mxc_i2c_device2;

76
arch/arm/mach-mx25/mm.c Normal file
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@ -0,0 +1,76 @@
/*
* Copyright (C) 1999,2000 Arm Limited
* Copyright (C) 2000 Deep Blue Solutions Ltd
* Copyright (C) 2002 Shane Nay (shane@minirl.com)
* Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
* - add MX31 specific definitions
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/err.h>
#include <asm/pgtable.h>
#include <asm/mach/map.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/mx25.h>
#include <mach/iomux-v3.h>
/*
* This table defines static virtual address mappings for I/O regions.
* These are the mappings common across all MX3 boards.
*/
static struct map_desc mxc_io_desc[] __initdata = {
{
.virtual = MX25_AVIC_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX25_AVIC_BASE_ADDR),
.length = MX25_AVIC_SIZE,
.type = MT_DEVICE_NONSHARED
}, {
.virtual = MX25_AIPS1_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX25_AIPS1_BASE_ADDR),
.length = MX25_AIPS1_SIZE,
.type = MT_DEVICE_NONSHARED
}, {
.virtual = MX25_AIPS2_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX25_AIPS2_BASE_ADDR),
.length = MX25_AIPS2_SIZE,
.type = MT_DEVICE_NONSHARED
},
};
/*
* This function initializes the memory map. It is called during the
* system startup to create static physical to virtual memory mappings
* for the IO modules.
*/
void __init mx25_map_io(void)
{
mxc_set_cpu_type(MXC_CPU_MX25);
mxc_iomux_v3_init(MX25_IO_ADDRESS(MX25_IOMUXC_BASE_ADDR));
mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR));
iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
}
void __init mx25_init_irq(void)
{
mxc_init_irq((void __iomem *)MX25_AVIC_BASE_ADDR_VIRT);
}

8
arch/arm/plat-mxc/Kconfig
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@ -20,6 +20,13 @@ config ARCH_MX2
help
This enables support for systems based on the Freescale i.MX2 family
config ARCH_MX25
bool "MX25-based"
select CPU_ARM926T
select COMMON_CLKDEV
help
This enables support for systems based on the Freescale i.MX25 family
config ARCH_MX3
bool "MX3-based"
select CPU_V6
@ -32,6 +39,7 @@ endchoice
source "arch/arm/mach-mx1/Kconfig"
source "arch/arm/mach-mx2/Kconfig"
source "arch/arm/mach-mx3/Kconfig"
source "arch/arm/mach-mx25/Kconfig"
endmenu

2
arch/arm/plat-mxc/gpio.c
View File

@ -297,7 +297,7 @@ int __init mxc_gpio_init(struct mxc_gpio_port *port, int cnt)
/* its a serious configuration bug when it fails */
BUG_ON( gpiochip_add(&port[i].chip) < 0 );
if (cpu_is_mx1() || cpu_is_mx3()) {
if (cpu_is_mx1() || cpu_is_mx3() || cpu_is_mx25()) {
/* setup one handler for each entry */
set_irq_chained_handler(port[i].irq, mx3_gpio_irq_handler);
set_irq_data(port[i].irq, &port[i]);

3
arch/arm/plat-mxc/include/mach/common.h
View File

@ -16,18 +16,21 @@ struct clk;
extern void mx1_map_io(void);
extern void mx21_map_io(void);
extern void mx25_map_io(void);
extern void mx27_map_io(void);
extern void mx31_map_io(void);
extern void mx35_map_io(void);
extern void mxc_init_irq(void __iomem *);
extern void mx1_init_irq(void);
extern void mx21_init_irq(void);
extern void mx25_init_irq(void);
extern void mx27_init_irq(void);
extern void mx31_init_irq(void);
extern void mx35_init_irq(void);
extern void mxc_timer_init(struct clk *timer_clk, void __iomem *, int);
extern int mx1_clocks_init(unsigned long fref);
extern int mx21_clocks_init(unsigned long lref, unsigned long fref);
extern int mx25_clocks_init(unsigned long fref);
extern int mx27_clocks_init(unsigned long fref);
extern int mx31_clocks_init(unsigned long fref);
extern int mx35_clocks_init(void);

9
arch/arm/plat-mxc/include/mach/debug-macro.S
View File

@ -17,6 +17,15 @@
#define UART_VADDR IO_ADDRESS(UART1_BASE_ADDR)
#endif
#ifdef CONFIG_ARCH_MX25
#ifdef UART_PADDR
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
#endif
#include <mach/mx25.h>
#define UART_PADDR UART1_BASE_ADDR
#define UART_VADDR MX25_AIPS1_IO_ADDRESS(UART1_BASE_ADDR)
#endif
#ifdef CONFIG_ARCH_MX2
#ifdef UART_PADDR
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"

4
arch/arm/plat-mxc/include/mach/hardware.h
View File

@ -42,6 +42,10 @@
# include <mach/mx1.h>
#endif
#ifdef CONFIG_ARCH_MX25
# include <mach/mx25.h>
#endif
#include <mach/mxc.h>
#endif /* __ASM_ARCH_MXC_HARDWARE_H__ */

2
arch/arm/plat-mxc/include/mach/irqs.h
View File

@ -24,6 +24,8 @@
#define MXC_GPIO_IRQS (32 * 6)
#elif defined CONFIG_ARCH_MX3
#define MXC_GPIO_IRQS (32 * 3)
#elif defined CONFIG_ARCH_MX25
#define MXC_GPIO_IRQS (32 * 4)
#endif
/*

2
arch/arm/plat-mxc/include/mach/memory.h
View File

@ -22,6 +22,8 @@
#endif
#elif defined CONFIG_ARCH_MX3
#define PHYS_OFFSET UL(0x80000000)
#elif defined CONFIG_ARCH_MX25
#define PHYS_OFFSET UL(0x80000000)
#endif
#if defined(CONFIG_MX1_VIDEO)

44
arch/arm/plat-mxc/include/mach/mx25.h Normal file
View File

@ -0,0 +1,44 @@
#ifndef __MACH_MX25_H__
#define __MACH_MX25_H__
#define MX25_AIPS1_BASE_ADDR 0x43F00000
#define MX25_AIPS1_BASE_ADDR_VIRT 0xFC000000
#define MX25_AIPS1_SIZE SZ_1M
#define MX25_AIPS2_BASE_ADDR 0x53F00000
#define MX25_AIPS2_BASE_ADDR_VIRT 0xFC200000
#define MX25_AIPS2_SIZE SZ_1M
#define MX25_AVIC_BASE_ADDR 0x68000000
#define MX25_AVIC_BASE_ADDR_VIRT 0xFC400000
#define MX25_AVIC_SIZE SZ_1M
#define MX25_IOMUXC_BASE_ADDR (MX25_AIPS1_BASE_ADDR + 0xac000)
#define MX25_CRM_BASE_ADDR (MX25_AIPS2_BASE_ADDR + 0x80000)
#define MX25_GPT1_BASE_ADDR (MX25_AIPS2_BASE_ADDR + 0x90000)
#define MX25_WDOG_BASE_ADDR (MX25_AIPS2_BASE_ADDR + 0xdc000)
#define MX25_GPIO1_BASE_ADDR_VIRT (MX25_AIPS2_BASE_ADDR_VIRT + 0xcc000)
#define MX25_GPIO2_BASE_ADDR_VIRT (MX25_AIPS2_BASE_ADDR_VIRT + 0xd0000)
#define MX25_GPIO3_BASE_ADDR_VIRT (MX25_AIPS2_BASE_ADDR_VIRT + 0xa4000)
#define MX25_GPIO4_BASE_ADDR_VIRT (MX25_AIPS2_BASE_ADDR_VIRT + 0x9c000)
#define MX25_AIPS1_IO_ADDRESS(x) \
(((x) - MX25_AIPS1_BASE_ADDR) + MX25_AIPS1_BASE_ADDR_VIRT)
#define MX25_AIPS2_IO_ADDRESS(x) \
(((x) - MX25_AIPS2_BASE_ADDR) + MX25_AIPS2_BASE_ADDR_VIRT)
#define MX25_AVIC_IO_ADDRESS(x) \
(((x) - MX25_AVIC_BASE_ADDR) + MX25_AVIC_BASE_ADDR_VIRT)
#define __in_range(addr, name) ((addr) >= name##_BASE_ADDR && (addr) < name##_BASE_ADDR + name##_SIZE)
#define MX25_IO_ADDRESS(x) \
(void __force __iomem *) \
(__in_range(x, MX25_AIPS1) ? MX25_AIPS1_IO_ADDRESS(x) : \
__in_range(x, MX25_AIPS2) ? MX25_AIPS2_IO_ADDRESS(x) : \
__in_range(x, MX25_AVIC) ? MX25_AVIC_IO_ADDRESS(x) : \
0xDEADBEEF)
#define UART1_BASE_ADDR 0x43f90000
#define UART2_BASE_ADDR 0x43f94000
#endif /* __MACH_MX25_H__ */

13
arch/arm/plat-mxc/include/mach/mxc.h
View File

@ -26,6 +26,7 @@
#define MXC_CPU_MX1 1
#define MXC_CPU_MX21 21
#define MXC_CPU_MX25 25
#define MXC_CPU_MX27 27
#define MXC_CPU_MX31 31
#define MXC_CPU_MX35 35
@ -58,6 +59,18 @@ extern unsigned int __mxc_cpu_type;
# define cpu_is_mx21() (0)
#endif
#ifdef CONFIG_ARCH_MX25
# ifdef mxc_cpu_type
# undef mxc_cpu_type
# define mxc_cpu_type __mxc_cpu_type
# else
# define mxc_cpu_type MXC_CPU_MX25
# endif
# define cpu_is_mx25() (mxc_cpu_type == MXC_CPU_MX25)
#else
# define cpu_is_mx25() (0)
#endif
#ifdef CONFIG_MACH_MX27
# ifdef mxc_cpu_type
# undef mxc_cpu_type

2
arch/arm/plat-mxc/include/mach/timex.h
View File

@ -26,6 +26,8 @@
#define CLOCK_TICK_RATE 13300000
#elif defined CONFIG_ARCH_MX3
#define CLOCK_TICK_RATE 16625000
#elif defined CONFIG_ARCH_MX25
#define CLOCK_TICK_RATE 16000000
#endif
#endif /* __ASM_ARCH_MXC_TIMEX_H__ */

1
arch/arm/plat-mxc/include/mach/uncompress.h
View File

@ -63,6 +63,7 @@ static void putc(int ch)
#define flush() do { } while (0)
#define MX1_UART1_BASE_ADDR 0x00206000
#define MX25_UART1_BASE_ADDR 0x43f90000
#define MX2X_UART1_BASE_ADDR 0x1000a000
#define MX3X_UART1_BASE_ADDR 0x43F90000