12d94208db
Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
196 lines
5.1 KiB
C
196 lines
5.1 KiB
C
/*
|
|
* linux/arch/arm/mach-pxa/colibri-pxa270.c
|
|
*
|
|
* Support for Toradex PXA270 based Colibri module
|
|
* Daniel Mack <daniel@caiaq.de>
|
|
* Marek Vasut <marek.vasut@gmail.com>
|
|
*
|
|
* 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/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/sysdev.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/bitops.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/mtd/physmap.h>
|
|
#include <linux/gpio.h>
|
|
#include <asm/mach-types.h>
|
|
#include <mach/hardware.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/sizes.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/irq.h>
|
|
#include <asm/mach/flash.h>
|
|
|
|
#include <mach/pxa27x.h>
|
|
#include <mach/colibri.h>
|
|
#include <mach/mmc.h>
|
|
|
|
#include "generic.h"
|
|
#include "devices.h"
|
|
|
|
/******************************************************************************
|
|
* Pin configuration
|
|
******************************************************************************/
|
|
static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = {
|
|
/* Ethernet */
|
|
GPIO78_nCS_2, /* Ethernet CS */
|
|
GPIO114_GPIO, /* Ethernet IRQ */
|
|
|
|
/* MMC */
|
|
GPIO32_MMC_CLK,
|
|
GPIO92_MMC_DAT_0,
|
|
GPIO109_MMC_DAT_1,
|
|
GPIO110_MMC_DAT_2,
|
|
GPIO111_MMC_DAT_3,
|
|
GPIO112_MMC_CMD,
|
|
GPIO0_GPIO, /* SD detect */
|
|
|
|
/* FFUART */
|
|
GPIO39_FFUART_TXD,
|
|
GPIO34_FFUART_RXD,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* NOR Flash
|
|
******************************************************************************/
|
|
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
|
|
static struct mtd_partition colibri_partitions[] = {
|
|
{
|
|
.name = "Bootloader",
|
|
.offset = 0x00000000,
|
|
.size = 0x00040000,
|
|
.mask_flags = MTD_WRITEABLE /* force read-only */
|
|
}, {
|
|
.name = "Kernel",
|
|
.offset = 0x00040000,
|
|
.size = 0x00400000,
|
|
.mask_flags = 0
|
|
}, {
|
|
.name = "Rootfs",
|
|
.offset = 0x00440000,
|
|
.size = MTDPART_SIZ_FULL,
|
|
.mask_flags = 0
|
|
}
|
|
};
|
|
|
|
static struct physmap_flash_data colibri_flash_data[] = {
|
|
{
|
|
.width = 4, /* bankwidth in bytes */
|
|
.parts = colibri_partitions,
|
|
.nr_parts = ARRAY_SIZE(colibri_partitions)
|
|
}
|
|
};
|
|
|
|
static struct resource colibri_pxa270_flash_resource = {
|
|
.start = PXA_CS0_PHYS,
|
|
.end = PXA_CS0_PHYS + SZ_32M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device colibri_pxa270_flash_device = {
|
|
.name = "physmap-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = colibri_flash_data,
|
|
},
|
|
.resource = &colibri_pxa270_flash_resource,
|
|
.num_resources = 1,
|
|
};
|
|
|
|
static void __init colibri_pxa270_nor_init(void)
|
|
{
|
|
platform_device_register(&colibri_pxa270_flash_device);
|
|
}
|
|
#else
|
|
static inline void colibri_pxa270_nor_init(void) {}
|
|
#endif
|
|
|
|
/******************************************************************************
|
|
* Ethernet
|
|
******************************************************************************/
|
|
#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
|
|
static struct resource colibri_pxa270_dm9000_resources[] = {
|
|
[0] = {
|
|
.start = PXA_CS2_PHYS,
|
|
.end = PXA_CS2_PHYS + 3,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = PXA_CS2_PHYS + 4,
|
|
.end = PXA_CS2_PHYS + 4 + 500,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[2] = {
|
|
.start = gpio_to_irq(GPIO114_COLIBRI_PXA270_ETH_IRQ),
|
|
.end = gpio_to_irq(GPIO114_COLIBRI_PXA270_ETH_IRQ),
|
|
.flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
|
|
},
|
|
};
|
|
|
|
static struct platform_device colibri_pxa270_dm9000_device = {
|
|
.name = "dm9000",
|
|
.id = -1,
|
|
.num_resources = ARRAY_SIZE(colibri_pxa270_dm9000_resources),
|
|
.resource = colibri_pxa270_dm9000_resources,
|
|
};
|
|
|
|
static void __init colibri_pxa270_eth_init(void)
|
|
{
|
|
platform_device_register(&colibri_pxa270_dm9000_device);
|
|
}
|
|
#else
|
|
static inline void colibri_pxa270_eth_init(void) {}
|
|
#endif
|
|
|
|
/******************************************************************************
|
|
* SD/MMC card controller
|
|
******************************************************************************/
|
|
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
|
|
static struct pxamci_platform_data colibri_pxa270_mci_platform_data = {
|
|
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
|
|
.gpio_power = -1,
|
|
.gpio_card_detect = GPIO0_COLIBRI_PXA270_SD_DETECT,
|
|
.gpio_card_ro = -1,
|
|
.detect_delay_ms = 200,
|
|
};
|
|
|
|
static void __init colibri_pxa270_mmc_init(void)
|
|
{
|
|
pxa_set_mci_info(&colibri_pxa270_mci_platform_data);
|
|
}
|
|
#else
|
|
static inline void colibri_pxa270_mmc_init(void) {}
|
|
#endif
|
|
|
|
static void __init colibri_pxa270_init(void)
|
|
{
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config));
|
|
pxa_set_ffuart_info(NULL);
|
|
pxa_set_btuart_info(NULL);
|
|
pxa_set_stuart_info(NULL);
|
|
|
|
colibri_pxa270_nor_init();
|
|
colibri_pxa270_eth_init();
|
|
colibri_pxa270_mmc_init();
|
|
}
|
|
|
|
MACHINE_START(COLIBRI, "Toradex Colibri PXA270")
|
|
.phys_io = 0x40000000,
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
.boot_params = COLIBRI_SDRAM_BASE + 0x100,
|
|
.init_machine = colibri_pxa270_init,
|
|
.map_io = pxa_map_io,
|
|
.init_irq = pxa27x_init_irq,
|
|
.timer = &pxa_timer,
|
|
MACHINE_END
|
|
|