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aa44ef4d SK |
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> | |
94bdc0e2 | 16 | #include <linux/gpio.h> |
aa44ef4d | 17 | #include <linux/platform_device.h> |
cc2c1334 | 18 | #include <linux/io.h> |
aa44ef4d | 19 | |
cc2c1334 | 20 | #include <asm/localtimer.h> |
aa44ef4d | 21 | #include <asm/mach/map.h> |
cc2c1334 | 22 | #include <plat/mtu.h> |
aa44ef4d | 23 | #include <mach/hardware.h> |
cc2c1334 | 24 | #include <mach/setup.h> |
aa44ef4d | 25 | |
94bdc0e2 RV |
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 | ||
aa44ef4d | 62 | static struct platform_device *platform_devs[] __initdata = { |
94bdc0e2 RV |
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], | |
aa44ef4d SK |
72 | }; |
73 | ||
aa44ef4d SK |
74 | /* minimum static i/o mapping required to boot U8500 platforms */ |
75 | static struct map_desc u8500_io_desc[] __initdata = { | |
1df20afc | 76 | __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K), |
c9c09572 | 77 | __IO_DEV_DESC(U8500_GPIO0_BASE, SZ_4K), |
94bdc0e2 RV |
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), | |
aa44ef4d SK |
81 | }; |
82 | ||
75a36ee0 RV |
83 | static struct map_desc u8500ed_io_desc[] __initdata = { |
84 | __IO_DEV_DESC(U8500_MTU0_BASE_ED, SZ_4K), | |
1df20afc | 85 | __IO_DEV_DESC(U8500_CLKRST7_BASE_ED, SZ_8K), |
75a36ee0 RV |
86 | }; |
87 | ||
88 | static struct map_desc u8500v1_io_desc[] __initdata = { | |
c9c09572 | 89 | __IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K), |
75a36ee0 RV |
90 | }; |
91 | ||
aa44ef4d SK |
92 | void __init u8500_map_io(void) |
93 | { | |
178980f9 RV |
94 | ux500_map_io(); |
95 | ||
aa44ef4d | 96 | iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc)); |
75a36ee0 RV |
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)); | |
aa44ef4d SK |
102 | } |
103 | ||
aa44ef4d SK |
104 | /* |
105 | * This function is called from the board init | |
106 | */ | |
107 | void __init u8500_init_devices(void) | |
108 | { | |
d48fd006 RV |
109 | ux500_init_devices(); |
110 | ||
aa44ef4d SK |
111 | /* Register the platform devices */ |
112 | platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); | |
113 | ||
114 | return ; | |
115 | } | |
cc2c1334 RV |
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 */ | |
75a36ee0 RV |
124 | if (cpu_is_u8500ed()) |
125 | mtu_base = __io_address(U8500_MTU0_BASE_ED); | |
126 | else | |
c9c09572 | 127 | mtu_base = __io_address(U8500_MTU0_BASE); |
cc2c1334 RV |
128 | |
129 | nmdk_timer_init(); | |
130 | } | |
131 | ||
132 | struct sys_timer u8500_timer = { | |
133 | .init = u8500_timer_init, | |
134 | }; |