135 lines
3.2 KiB
C
135 lines
3.2 KiB
C
/*
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* Copyright (C) 2008-2009 ST-Ericsson
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*
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* Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
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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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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/amba/bus.h>
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#include <linux/irq.h>
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <asm/localtimer.h>
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#include <asm/mach/map.h>
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#include <plat/mtu.h>
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#include <mach/hardware.h>
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#include <mach/setup.h>
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static struct nmk_gpio_platform_data u8500_gpio_data[] = {
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GPIO_DATA("GPIO-0-31", 0),
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GPIO_DATA("GPIO-32-63", 32), /* 37..63 not routed to pin */
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GPIO_DATA("GPIO-64-95", 64),
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GPIO_DATA("GPIO-96-127", 96), /* 97..127 not routed to pin */
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GPIO_DATA("GPIO-128-159", 128),
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GPIO_DATA("GPIO-160-191", 160), /* 172..191 not routed to pin */
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GPIO_DATA("GPIO-192-223", 192),
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GPIO_DATA("GPIO-224-255", 224), /* 231..255 not routed to pin */
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GPIO_DATA("GPIO-256-288", 256), /* 258..288 not routed to pin */
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};
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static struct resource u8500_gpio_resources[] = {
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GPIO_RESOURCE(0),
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GPIO_RESOURCE(1),
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GPIO_RESOURCE(2),
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GPIO_RESOURCE(3),
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GPIO_RESOURCE(4),
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GPIO_RESOURCE(5),
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GPIO_RESOURCE(6),
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GPIO_RESOURCE(7),
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GPIO_RESOURCE(8),
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};
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static struct platform_device u8500_gpio_devs[] = {
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GPIO_DEVICE(0),
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GPIO_DEVICE(1),
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GPIO_DEVICE(2),
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GPIO_DEVICE(3),
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GPIO_DEVICE(4),
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GPIO_DEVICE(5),
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GPIO_DEVICE(6),
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GPIO_DEVICE(7),
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GPIO_DEVICE(8),
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};
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static struct platform_device *platform_devs[] __initdata = {
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&u8500_gpio_devs[0],
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&u8500_gpio_devs[1],
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&u8500_gpio_devs[2],
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&u8500_gpio_devs[3],
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&u8500_gpio_devs[4],
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&u8500_gpio_devs[5],
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&u8500_gpio_devs[6],
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&u8500_gpio_devs[7],
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&u8500_gpio_devs[8],
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};
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/* minimum static i/o mapping required to boot U8500 platforms */
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static struct map_desc u8500_io_desc[] __initdata = {
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__IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K),
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__IO_DEV_DESC(U8500_GPIO0_BASE, SZ_4K),
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__IO_DEV_DESC(U8500_GPIO1_BASE, SZ_4K),
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__IO_DEV_DESC(U8500_GPIO2_BASE, SZ_4K),
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__IO_DEV_DESC(U8500_GPIO3_BASE, SZ_4K),
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};
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static struct map_desc u8500ed_io_desc[] __initdata = {
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__IO_DEV_DESC(U8500_MTU0_BASE_ED, SZ_4K),
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__IO_DEV_DESC(U8500_CLKRST7_BASE_ED, SZ_8K),
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};
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static struct map_desc u8500v1_io_desc[] __initdata = {
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__IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K),
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};
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void __init u8500_map_io(void)
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{
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ux500_map_io();
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iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc));
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if (cpu_is_u8500ed())
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iotable_init(u8500ed_io_desc, ARRAY_SIZE(u8500ed_io_desc));
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else
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iotable_init(u8500v1_io_desc, ARRAY_SIZE(u8500v1_io_desc));
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}
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/*
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* This function is called from the board init
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*/
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void __init u8500_init_devices(void)
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{
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ux500_init_devices();
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/* Register the platform devices */
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platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
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return ;
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}
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static void __init u8500_timer_init(void)
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{
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#ifdef CONFIG_LOCAL_TIMERS
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/* Setup the local timer base */
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twd_base = __io_address(U8500_TWD_BASE);
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#endif
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/* Setup the MTU base */
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if (cpu_is_u8500ed())
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mtu_base = __io_address(U8500_MTU0_BASE_ED);
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else
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mtu_base = __io_address(U8500_MTU0_BASE);
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nmdk_timer_init();
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}
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struct sys_timer u8500_timer = {
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.init = u8500_timer_init,
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};
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