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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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a393c46b49
This patch adds the include of the GPIO header needed to make gumstix build. The defconfig is updated to 2.6.25 and disables PCMCIA since that has not yet been implemented for gumstix. Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
149 lines
3.3 KiB
C
149 lines
3.3 KiB
C
/*
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* linux/arch/arm/mach-pxa/gumstix.c
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*
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* Support for the Gumstix motherboards.
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*
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* Original Author: Craig Hughes
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* Created: Feb 14, 2008
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* Copyright: Craig Hughes
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Implemented based on lubbock.c by Nicolas Pitre and code from Craig
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* Hughes
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/interrupt.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <asm/setup.h>
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#include <asm/memory.h>
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#include <asm/mach-types.h>
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#include <asm/hardware.h>
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#include <asm/irq.h>
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#include <asm/sizes.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/mach/flash.h>
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#include <asm/arch/mmc.h>
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#include <asm/arch/udc.h>
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#include <asm/arch/gumstix.h>
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#include <asm/arch/pxa-regs.h>
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#include <asm/arch/pxa2xx-regs.h>
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#include <asm/arch/pxa2xx-gpio.h>
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#include "generic.h"
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static struct resource flash_resource = {
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.start = 0x00000000,
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.end = SZ_64M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct mtd_partition gumstix_partitions[] = {
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{
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.name = "Bootloader",
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.size = 0x00040000,
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.offset = 0,
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.mask_flags = MTD_WRITEABLE /* force read-only */
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} , {
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.name = "rootfs",
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.size = MTDPART_SIZ_FULL,
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.offset = MTDPART_OFS_APPEND
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}
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};
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static struct flash_platform_data gumstix_flash_data = {
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.map_name = "cfi_probe",
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.parts = gumstix_partitions,
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.nr_parts = ARRAY_SIZE(gumstix_partitions),
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.width = 2,
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};
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static struct platform_device gumstix_flash_device = {
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.name = "pxa2xx-flash",
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.id = 0,
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.dev = {
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.platform_data = &gumstix_flash_data,
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},
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.resource = &flash_resource,
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.num_resources = 1,
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};
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static struct platform_device *devices[] __initdata = {
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&gumstix_flash_device,
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};
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#ifdef CONFIG_MMC_PXA
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static struct pxamci_platform_data gumstix_mci_platform_data;
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static int gumstix_mci_init(struct device *dev, irq_handler_t detect_int,
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void *data)
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{
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pxa_gpio_mode(GPIO6_MMCCLK_MD);
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pxa_gpio_mode(GPIO53_MMCCLK_MD);
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pxa_gpio_mode(GPIO8_MMCCS0_MD);
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return 0;
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}
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static struct pxamci_platform_data gumstix_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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.init = gumstix_mci_init,
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};
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static void __init gumstix_mmc_init(void)
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{
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pxa_set_mci_info(&gumstix_mci_platform_data);
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}
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#else
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static void __init gumstix_mmc_init(void)
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{
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printk(KERN_INFO "Gumstix mmc disabled\n");
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}
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#endif
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#ifdef CONFIG_USB_GADGET_PXA2XX
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static struct pxa2xx_udc_mach_info gumstix_udc_info __initdata = {
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.gpio_vbus = GPIO_GUMSTIX_USB_GPIOn,
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.gpio_pullup = GPIO_GUMSTIX_USB_GPIOx,
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};
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static void __init gumstix_udc_init(void)
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{
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pxa_set_udc_info(&gumstix_udc_info);
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}
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#else
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static void gumstix_udc_init(void)
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{
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printk(KERN_INFO "Gumstix udc is disabled\n");
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}
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#endif
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static void __init gumstix_init(void)
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{
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gumstix_udc_init();
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gumstix_mmc_init();
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(void) platform_add_devices(devices, ARRAY_SIZE(devices));
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}
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MACHINE_START(GUMSTIX, "Gumstix")
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.phys_io = 0x40000000,
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.boot_params = 0xa0000100, /* match u-boot bi_boot_params */
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.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
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.map_io = pxa_map_io,
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.init_irq = pxa25x_init_irq,
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.timer = &pxa_timer,
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.init_machine = gumstix_init,
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MACHINE_END
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