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git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - arch/arm/mach-ux500/cpu-u8500.c
5f05e5850f7162de73125305c7c124140cf93d1e
2 * Copyright (C) 2008-2009 ST-Ericsson
4 * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
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.
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>
18 #include <asm/hardware/gic.h>
19 #include <asm/mach/map.h>
20 #include <mach/hardware.h>
22 /* add any platform devices here - TODO */
23 static struct platform_device
*platform_devs
[] __initdata
= {
24 /* yet to be added, add i2c0, gpio.. */
27 #define __IO_DEV_DESC(x, sz) { \
28 .virtual = IO_ADDRESS(x), \
29 .pfn = __phys_to_pfn(x), \
34 /* minimum static i/o mapping required to boot U8500 platforms */
35 static struct map_desc u8500_io_desc
[] __initdata
= {
36 __IO_DEV_DESC(U8500_GIC_CPU_BASE
, SZ_4K
),
37 __IO_DEV_DESC(U8500_GIC_DIST_BASE
, SZ_4K
),
38 __IO_DEV_DESC(U8500_MTU0_BASE
, SZ_4K
),
39 __IO_DEV_DESC(U8500_TWD_BASE
, SZ_4K
),
40 __IO_DEV_DESC(U8500_SCU_BASE
, SZ_4K
),
41 __IO_DEV_DESC(U8500_BACKUPRAM0_BASE
, SZ_8K
),
44 void __init
u8500_map_io(void)
46 iotable_init(u8500_io_desc
, ARRAY_SIZE(u8500_io_desc
));
49 void __init
u8500_init_irq(void)
51 gic_dist_init(0, __io_address(U8500_GIC_DIST_BASE
), 29);
52 gic_cpu_init(0, __io_address(U8500_GIC_CPU_BASE
));
56 * This function is called from the board init
58 void __init
u8500_init_devices(void)
60 /* Register the platform devices */
61 platform_add_devices(platform_devs
, ARRAY_SIZE(platform_devs
));