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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> | |
16 | #include <linux/platform_device.h> | |
17 | ||
18 | #include <asm/hardware/gic.h> | |
19 | #include <asm/mach/map.h> | |
20 | #include <mach/hardware.h> | |
21 | ||
22 | /* add any platform devices here - TODO */ | |
23 | static struct platform_device *platform_devs[] __initdata = { | |
24 | /* yet to be added, add i2c0, gpio.. */ | |
25 | }; | |
26 | ||
27 | #define __IO_DEV_DESC(x, sz) { \ | |
28 | .virtual = IO_ADDRESS(x), \ | |
29 | .pfn = __phys_to_pfn(x), \ | |
30 | .length = sz, \ | |
31 | .type = MT_DEVICE, \ | |
32 | } | |
33 | ||
34 | /* minimum static i/o mapping required to boot U8500 platforms */ | |
35 | static struct map_desc u8500_io_desc[] __initdata = { | |
59778fb6 | 36 | __IO_DEV_DESC(U8500_UART2_BASE, SZ_4K), |
aa44ef4d SK |
37 | __IO_DEV_DESC(U8500_GIC_CPU_BASE, SZ_4K), |
38 | __IO_DEV_DESC(U8500_GIC_DIST_BASE, SZ_4K), | |
39 | __IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K), | |
40 | __IO_DEV_DESC(U8500_TWD_BASE, SZ_4K), | |
41 | __IO_DEV_DESC(U8500_SCU_BASE, SZ_4K), | |
42 | __IO_DEV_DESC(U8500_BACKUPRAM0_BASE, SZ_8K), | |
43 | }; | |
44 | ||
45 | void __init u8500_map_io(void) | |
46 | { | |
47 | iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc)); | |
48 | } | |
49 | ||
50 | void __init u8500_init_irq(void) | |
51 | { | |
52 | gic_dist_init(0, __io_address(U8500_GIC_DIST_BASE), 29); | |
53 | gic_cpu_init(0, __io_address(U8500_GIC_CPU_BASE)); | |
54 | } | |
55 | ||
56 | /* | |
57 | * This function is called from the board init | |
58 | */ | |
59 | void __init u8500_init_devices(void) | |
60 | { | |
61 | /* Register the platform devices */ | |
62 | platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); | |
63 | ||
64 | return ; | |
65 | } |