mirror of https://gitee.com/openkylin/linux.git
129 lines
2.8 KiB
C
129 lines
2.8 KiB
C
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/*
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* Renesas Technology Corp. SH7786 Urquell Support.
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*
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* Copyright (C) 2008 Kuninori Morimoto <morimoto.kuninori@renesas.com>
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* Copyright (C) 2008 Yoshihiro Shimoda
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/fb.h>
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#include <linux/mtd/physmap.h>
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/irq.h>
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#include <mach/urquell.h>
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#include <cpu/sh7786.h>
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#include <asm/heartbeat.h>
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#include <asm/sizes.h>
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static struct resource heartbeat_resources[] = {
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[0] = {
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.start = BOARDREG(SLEDR),
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.end = BOARDREG(SLEDR),
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.flags = IORESOURCE_MEM,
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},
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};
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static struct heartbeat_data heartbeat_data = {
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.regsize = 16,
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};
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static struct platform_device heartbeat_device = {
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.name = "heartbeat",
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.id = -1,
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.dev = {
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.platform_data = &heartbeat_data,
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},
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.num_resources = ARRAY_SIZE(heartbeat_resources),
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.resource = heartbeat_resources,
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};
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static struct mtd_partition nor_flash_partitions[] = {
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{
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.name = "loader",
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.offset = 0x00000000,
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.size = SZ_512K,
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.mask_flags = MTD_WRITEABLE, /* Read-only */
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},
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{
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.name = "bootenv",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_512K,
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.mask_flags = MTD_WRITEABLE, /* Read-only */
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},
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_4M,
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},
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{
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.name = "data",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct physmap_flash_data nor_flash_data = {
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.width = 2,
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.parts = nor_flash_partitions,
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.nr_parts = ARRAY_SIZE(nor_flash_partitions),
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};
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static struct resource nor_flash_resources[] = {
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[0] = {
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.start = NOR_FLASH_ADDR,
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.end = NOR_FLASH_ADDR + NOR_FLASH_SIZE - 1,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct platform_device nor_flash_device = {
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.name = "physmap-flash",
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.dev = {
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.platform_data = &nor_flash_data,
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},
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.num_resources = ARRAY_SIZE(nor_flash_resources),
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.resource = nor_flash_resources,
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};
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static struct platform_device *urquell_devices[] __initdata = {
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&heartbeat_device,
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&nor_flash_device,
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};
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static int __init urquell_devices_setup(void)
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{
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/* USB */
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gpio_request(GPIO_FN_USB_OVC0, NULL);
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gpio_request(GPIO_FN_USB_PENC0, NULL);
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return platform_add_devices(urquell_devices,
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ARRAY_SIZE(urquell_devices));
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}
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device_initcall(urquell_devices_setup);
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static void urquell_power_off(void)
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{
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__raw_writew(0xa5a5, UBOARDREG(SRSTR));
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}
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/* Initialize the board */
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static void __init urquell_setup(char **cmdline_p)
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{
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printk(KERN_INFO "Renesas Technology Corp. Urquell support.\n");
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pm_power_off = urquell_power_off;
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}
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/*
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* The Machine Vector
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*/
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static struct sh_machine_vector mv_urquell __initmv = {
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.mv_name = "Urquell",
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.mv_setup = urquell_setup,
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};
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