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Diffstat (limited to 'arch/arm/mach-ux500/cpu-db8500.c')
-rw-r--r--arch/arm/mach-ux500/cpu-db8500.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
new file mode 100644
index 000000000000..d04299f3b6b5
--- /dev/null
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@@ -0,0 +1,78 @@
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/gpio.h>
17#include <linux/platform_device.h>
18#include <linux/io.h>
19
20#include <asm/mach/map.h>
21#include <mach/hardware.h>
22#include <mach/setup.h>
23#include <mach/devices.h>
24
25static struct platform_device *platform_devs[] __initdata = {
26 &u8500_gpio_devs[0],
27 &u8500_gpio_devs[1],
28 &u8500_gpio_devs[2],
29 &u8500_gpio_devs[3],
30 &u8500_gpio_devs[4],
31 &u8500_gpio_devs[5],
32 &u8500_gpio_devs[6],
33 &u8500_gpio_devs[7],
34 &u8500_gpio_devs[8],
35};
36
37/* minimum static i/o mapping required to boot U8500 platforms */
38static struct map_desc u8500_io_desc[] __initdata = {
39 __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K),
40 __IO_DEV_DESC(U8500_GPIO0_BASE, SZ_4K),
41 __IO_DEV_DESC(U8500_GPIO1_BASE, SZ_4K),
42 __IO_DEV_DESC(U8500_GPIO2_BASE, SZ_4K),
43 __IO_DEV_DESC(U8500_GPIO3_BASE, SZ_4K),
44};
45
46static struct map_desc u8500ed_io_desc[] __initdata = {
47 __IO_DEV_DESC(U8500_MTU0_BASE_ED, SZ_4K),
48 __IO_DEV_DESC(U8500_CLKRST7_BASE_ED, SZ_8K),
49};
50
51static struct map_desc u8500v1_io_desc[] __initdata = {
52 __IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K),
53};
54
55void __init u8500_map_io(void)
56{
57 ux500_map_io();
58
59 iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc));
60
61 if (cpu_is_u8500ed())
62 iotable_init(u8500ed_io_desc, ARRAY_SIZE(u8500ed_io_desc));
63 else
64 iotable_init(u8500v1_io_desc, ARRAY_SIZE(u8500v1_io_desc));
65}
66
67/*
68 * This function is called from the board init
69 */
70void __init u8500_init_devices(void)
71{
72 ux500_init_devices();
73
74 /* Register the platform devices */
75 platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
76
77 return ;
78}