149 строки
3.3 KiB
C
149 строки
3.3 KiB
C
/*
|
|
* linux/arch/arm/mach-pxa/gumstix.c
|
|
*
|
|
* Support for the Gumstix motherboards.
|
|
*
|
|
* Original Author: Craig Hughes
|
|
* Created: Feb 14, 2008
|
|
* Copyright: Craig Hughes
|
|
*
|
|
* 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.
|
|
*
|
|
* Implemented based on lubbock.c by Nicolas Pitre and code from Craig
|
|
* Hughes
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
|
|
#include <asm/setup.h>
|
|
#include <asm/memory.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/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 <asm/arch/mmc.h>
|
|
#include <asm/arch/udc.h>
|
|
#include <asm/arch/gumstix.h>
|
|
|
|
#include <asm/arch/pxa-regs.h>
|
|
#include <asm/arch/pxa2xx-regs.h>
|
|
#include <asm/arch/pxa2xx-gpio.h>
|
|
|
|
#include "generic.h"
|
|
|
|
static struct resource flash_resource = {
|
|
.start = 0x00000000,
|
|
.end = SZ_64M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct mtd_partition gumstix_partitions[] = {
|
|
{
|
|
.name = "Bootloader",
|
|
.size = 0x00040000,
|
|
.offset = 0,
|
|
.mask_flags = MTD_WRITEABLE /* force read-only */
|
|
} , {
|
|
.name = "rootfs",
|
|
.size = MTDPART_SIZ_FULL,
|
|
.offset = MTDPART_OFS_APPEND
|
|
}
|
|
};
|
|
|
|
static struct flash_platform_data gumstix_flash_data = {
|
|
.map_name = "cfi_probe",
|
|
.parts = gumstix_partitions,
|
|
.nr_parts = ARRAY_SIZE(gumstix_partitions),
|
|
.width = 2,
|
|
};
|
|
|
|
static struct platform_device gumstix_flash_device = {
|
|
.name = "pxa2xx-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &gumstix_flash_data,
|
|
},
|
|
.resource = &flash_resource,
|
|
.num_resources = 1,
|
|
};
|
|
|
|
static struct platform_device *devices[] __initdata = {
|
|
&gumstix_flash_device,
|
|
};
|
|
|
|
#ifdef CONFIG_MMC_PXA
|
|
static struct pxamci_platform_data gumstix_mci_platform_data;
|
|
|
|
static int gumstix_mci_init(struct device *dev, irq_handler_t detect_int,
|
|
void *data)
|
|
{
|
|
pxa_gpio_mode(GPIO6_MMCCLK_MD);
|
|
pxa_gpio_mode(GPIO53_MMCCLK_MD);
|
|
pxa_gpio_mode(GPIO8_MMCCS0_MD);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct pxamci_platform_data gumstix_mci_platform_data = {
|
|
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
|
|
.init = gumstix_mci_init,
|
|
};
|
|
|
|
static void __init gumstix_mmc_init(void)
|
|
{
|
|
pxa_set_mci_info(&gumstix_mci_platform_data);
|
|
}
|
|
#else
|
|
static void __init gumstix_mmc_init(void)
|
|
{
|
|
printk(KERN_INFO "Gumstix mmc disabled\n");
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_USB_GADGET_PXA2XX
|
|
static struct pxa2xx_udc_mach_info gumstix_udc_info __initdata = {
|
|
.gpio_vbus = GPIO_GUMSTIX_USB_GPIOn,
|
|
.gpio_pullup = GPIO_GUMSTIX_USB_GPIOx,
|
|
};
|
|
|
|
static void __init gumstix_udc_init(void)
|
|
{
|
|
pxa_set_udc_info(&gumstix_udc_info);
|
|
}
|
|
#else
|
|
static void gumstix_udc_init(void)
|
|
{
|
|
printk(KERN_INFO "Gumstix udc is disabled\n");
|
|
}
|
|
#endif
|
|
|
|
static void __init gumstix_init(void)
|
|
{
|
|
gumstix_udc_init();
|
|
gumstix_mmc_init();
|
|
(void) platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
}
|
|
|
|
MACHINE_START(GUMSTIX, "Gumstix")
|
|
.phys_io = 0x40000000,
|
|
.boot_params = 0xa0000100, /* match u-boot bi_boot_params */
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
.map_io = pxa_map_io,
|
|
.init_irq = pxa25x_init_irq,
|
|
.timer = &pxa_timer,
|
|
.init_machine = gumstix_init,
|
|
MACHINE_END
|