Srinidhi Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 1 | /* |
| 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 Vincent | 94bdc0e | 2010-03-03 04:54:37 +0100 | [diff] [blame] | 16 | #include <linux/gpio.h> |
Srinidhi Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 17 | #include <linux/platform_device.h> |
Rabin Vincent | cc2c133 | 2010-03-01 05:03:31 +0100 | [diff] [blame] | 18 | #include <linux/io.h> |
Srinidhi Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 19 | |
Rabin Vincent | cc2c133 | 2010-03-01 05:03:31 +0100 | [diff] [blame] | 20 | #include <asm/localtimer.h> |
Srinidhi Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 21 | #include <asm/mach/map.h> |
Rabin Vincent | cc2c133 | 2010-03-01 05:03:31 +0100 | [diff] [blame] | 22 | #include <plat/mtu.h> |
Srinidhi Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 23 | #include <mach/hardware.h> |
Rabin Vincent | cc2c133 | 2010-03-01 05:03:31 +0100 | [diff] [blame] | 24 | #include <mach/setup.h> |
Srinidhi Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 25 | |
Rabin Vincent | 94bdc0e | 2010-03-03 04:54:37 +0100 | [diff] [blame] | 26 | static 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 | |
| 38 | static 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 | |
| 50 | static 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 Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 62 | static struct platform_device *platform_devs[] __initdata = { |
Rabin Vincent | 94bdc0e | 2010-03-03 04:54:37 +0100 | [diff] [blame] | 63 | &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 Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 72 | }; |
| 73 | |
Srinidhi Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 74 | /* minimum static i/o mapping required to boot U8500 platforms */ |
| 75 | static struct map_desc u8500_io_desc[] __initdata = { |
Rabin Vincent | 1df20af | 2010-03-01 05:07:47 +0100 | [diff] [blame] | 76 | __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K), |
Rabin Vincent | c9c0957 | 2010-05-03 07:34:53 +0100 | [diff] [blame] | 77 | __IO_DEV_DESC(U8500_GPIO0_BASE, SZ_4K), |
Rabin Vincent | 94bdc0e | 2010-03-03 04:54:37 +0100 | [diff] [blame] | 78 | __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 Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 81 | }; |
| 82 | |
Rabin Vincent | 75a36ee | 2010-03-01 05:05:56 +0100 | [diff] [blame] | 83 | static struct map_desc u8500ed_io_desc[] __initdata = { |
| 84 | __IO_DEV_DESC(U8500_MTU0_BASE_ED, SZ_4K), |
Rabin Vincent | 1df20af | 2010-03-01 05:07:47 +0100 | [diff] [blame] | 85 | __IO_DEV_DESC(U8500_CLKRST7_BASE_ED, SZ_8K), |
Rabin Vincent | 75a36ee | 2010-03-01 05:05:56 +0100 | [diff] [blame] | 86 | }; |
| 87 | |
| 88 | static struct map_desc u8500v1_io_desc[] __initdata = { |
Rabin Vincent | c9c0957 | 2010-05-03 07:34:53 +0100 | [diff] [blame] | 89 | __IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K), |
Rabin Vincent | 75a36ee | 2010-03-01 05:05:56 +0100 | [diff] [blame] | 90 | }; |
| 91 | |
Srinidhi Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 92 | void __init u8500_map_io(void) |
| 93 | { |
Rabin Vincent | 178980f | 2010-05-03 07:39:02 +0100 | [diff] [blame] | 94 | ux500_map_io(); |
| 95 | |
Srinidhi Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 96 | iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc)); |
Rabin Vincent | 75a36ee | 2010-03-01 05:05:56 +0100 | [diff] [blame] | 97 | |
| 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 Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 102 | } |
| 103 | |
Srinidhi Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 104 | /* |
| 105 | * This function is called from the board init |
| 106 | */ |
| 107 | void __init u8500_init_devices(void) |
| 108 | { |
Rabin Vincent | d48fd00 | 2010-05-03 07:46:56 +0100 | [diff] [blame^] | 109 | ux500_init_devices(); |
| 110 | |
Srinidhi Kasagar | aa44ef4 | 2009-11-28 08:17:18 +0100 | [diff] [blame] | 111 | /* Register the platform devices */ |
| 112 | platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); |
| 113 | |
| 114 | return ; |
| 115 | } |
Rabin Vincent | cc2c133 | 2010-03-01 05:03:31 +0100 | [diff] [blame] | 116 | |
| 117 | static 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 Vincent | 75a36ee | 2010-03-01 05:05:56 +0100 | [diff] [blame] | 124 | if (cpu_is_u8500ed()) |
| 125 | mtu_base = __io_address(U8500_MTU0_BASE_ED); |
| 126 | else |
Rabin Vincent | c9c0957 | 2010-05-03 07:34:53 +0100 | [diff] [blame] | 127 | mtu_base = __io_address(U8500_MTU0_BASE); |
Rabin Vincent | cc2c133 | 2010-03-01 05:03:31 +0100 | [diff] [blame] | 128 | |
| 129 | nmdk_timer_init(); |
| 130 | } |
| 131 | |
| 132 | struct sys_timer u8500_timer = { |
| 133 | .init = u8500_timer_init, |
| 134 | }; |