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/*
* 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 "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
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