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Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +01001/*
2 * Copyright (C) 2008-2009 ST-Ericsson
3 *
4 * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2, as
8 * published by the Free Software Foundation.
9 *
10 */
11#include <linux/types.h>
12#include <linux/init.h>
13#include <linux/device.h>
14#include <linux/amba/bus.h>
15#include <linux/irq.h>
Rabin Vincent94bdc0e2010-03-03 04:54:37 +010016#include <linux/gpio.h>
Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +010017#include <linux/platform_device.h>
Rabin Vincentcc2c1332010-03-01 05:03:31 +010018#include <linux/io.h>
Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +010019
Rabin Vincentcc2c1332010-03-01 05:03:31 +010020#include <asm/localtimer.h>
Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +010021#include <asm/mach/map.h>
Rabin Vincentcc2c1332010-03-01 05:03:31 +010022#include <plat/mtu.h>
Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +010023#include <mach/hardware.h>
Rabin Vincentcc2c1332010-03-01 05:03:31 +010024#include <mach/setup.h>
Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +010025
Rabin Vincent94bdc0e2010-03-03 04:54:37 +010026static struct nmk_gpio_platform_data u8500_gpio_data[] = {
27 GPIO_DATA("GPIO-0-31", 0),
28 GPIO_DATA("GPIO-32-63", 32), /* 37..63 not routed to pin */
29 GPIO_DATA("GPIO-64-95", 64),
30 GPIO_DATA("GPIO-96-127", 96), /* 97..127 not routed to pin */
31 GPIO_DATA("GPIO-128-159", 128),
32 GPIO_DATA("GPIO-160-191", 160), /* 172..191 not routed to pin */
33 GPIO_DATA("GPIO-192-223", 192),
34 GPIO_DATA("GPIO-224-255", 224), /* 231..255 not routed to pin */
35 GPIO_DATA("GPIO-256-288", 256), /* 258..288 not routed to pin */
36};
37
38static struct resource u8500_gpio_resources[] = {
39 GPIO_RESOURCE(0),
40 GPIO_RESOURCE(1),
41 GPIO_RESOURCE(2),
42 GPIO_RESOURCE(3),
43 GPIO_RESOURCE(4),
44 GPIO_RESOURCE(5),
45 GPIO_RESOURCE(6),
46 GPIO_RESOURCE(7),
47 GPIO_RESOURCE(8),
48};
49
50static struct platform_device u8500_gpio_devs[] = {
51 GPIO_DEVICE(0),
52 GPIO_DEVICE(1),
53 GPIO_DEVICE(2),
54 GPIO_DEVICE(3),
55 GPIO_DEVICE(4),
56 GPIO_DEVICE(5),
57 GPIO_DEVICE(6),
58 GPIO_DEVICE(7),
59 GPIO_DEVICE(8),
60};
61
Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +010062static struct platform_device *platform_devs[] __initdata = {
Rabin Vincent94bdc0e2010-03-03 04:54:37 +010063 &u8500_gpio_devs[0],
64 &u8500_gpio_devs[1],
65 &u8500_gpio_devs[2],
66 &u8500_gpio_devs[3],
67 &u8500_gpio_devs[4],
68 &u8500_gpio_devs[5],
69 &u8500_gpio_devs[6],
70 &u8500_gpio_devs[7],
71 &u8500_gpio_devs[8],
Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +010072};
73
Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +010074/* minimum static i/o mapping required to boot U8500 platforms */
75static struct map_desc u8500_io_desc[] __initdata = {
Rabin Vincent1df20af2010-03-01 05:07:47 +010076 __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K),
Rabin Vincentc9c09572010-05-03 07:34:53 +010077 __IO_DEV_DESC(U8500_GPIO0_BASE, SZ_4K),
Rabin Vincent94bdc0e2010-03-03 04:54:37 +010078 __IO_DEV_DESC(U8500_GPIO1_BASE, SZ_4K),
79 __IO_DEV_DESC(U8500_GPIO2_BASE, SZ_4K),
80 __IO_DEV_DESC(U8500_GPIO3_BASE, SZ_4K),
Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +010081};
82
Rabin Vincent75a36ee2010-03-01 05:05:56 +010083static struct map_desc u8500ed_io_desc[] __initdata = {
84 __IO_DEV_DESC(U8500_MTU0_BASE_ED, SZ_4K),
Rabin Vincent1df20af2010-03-01 05:07:47 +010085 __IO_DEV_DESC(U8500_CLKRST7_BASE_ED, SZ_8K),
Rabin Vincent75a36ee2010-03-01 05:05:56 +010086};
87
88static struct map_desc u8500v1_io_desc[] __initdata = {
Rabin Vincentc9c09572010-05-03 07:34:53 +010089 __IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K),
Rabin Vincent75a36ee2010-03-01 05:05:56 +010090};
91
Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +010092void __init u8500_map_io(void)
93{
Rabin Vincent178980f2010-05-03 07:39:02 +010094 ux500_map_io();
95
Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +010096 iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc));
Rabin Vincent75a36ee2010-03-01 05:05:56 +010097
98 if (cpu_is_u8500ed())
99 iotable_init(u8500ed_io_desc, ARRAY_SIZE(u8500ed_io_desc));
100 else
101 iotable_init(u8500v1_io_desc, ARRAY_SIZE(u8500v1_io_desc));
Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +0100102}
103
Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +0100104/*
105 * This function is called from the board init
106 */
107void __init u8500_init_devices(void)
108{
Rabin Vincentd48fd002010-05-03 07:46:56 +0100109 ux500_init_devices();
110
Srinidhi Kasagaraa44ef42009-11-28 08:17:18 +0100111 /* Register the platform devices */
112 platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
113
114 return ;
115}
Rabin Vincentcc2c1332010-03-01 05:03:31 +0100116
117static void __init u8500_timer_init(void)
118{
119#ifdef CONFIG_LOCAL_TIMERS
120 /* Setup the local timer base */
121 twd_base = __io_address(U8500_TWD_BASE);
122#endif
123 /* Setup the MTU base */
Rabin Vincent75a36ee2010-03-01 05:05:56 +0100124 if (cpu_is_u8500ed())
125 mtu_base = __io_address(U8500_MTU0_BASE_ED);
126 else
Rabin Vincentc9c09572010-05-03 07:34:53 +0100127 mtu_base = __io_address(U8500_MTU0_BASE);
Rabin Vincentcc2c1332010-03-01 05:03:31 +0100128
129 nmdk_timer_init();
130}
131
132struct sys_timer u8500_timer = {
133 .init = u8500_timer_init,
134};