diff options
Diffstat (limited to 'arch/arm/mach-ux500/cpu-u8500.c')
-rw-r--r-- | arch/arm/mach-ux500/cpu-u8500.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/cpu-u8500.c b/arch/arm/mach-ux500/cpu-u8500.c new file mode 100644 index 000000000000..5f05e5850f71 --- /dev/null +++ b/arch/arm/mach-ux500/cpu-u8500.c @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2008-2009 ST-Ericsson + * + * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2, as + * published by the Free Software Foundation. + * + */ +#include <linux/types.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/amba/bus.h> +#include <linux/irq.h> +#include <linux/platform_device.h> + +#include <asm/hardware/gic.h> +#include <asm/mach/map.h> +#include <mach/hardware.h> + +/* add any platform devices here - TODO */ +static struct platform_device *platform_devs[] __initdata = { + /* yet to be added, add i2c0, gpio.. */ +}; + +#define __IO_DEV_DESC(x, sz) { \ + .virtual = IO_ADDRESS(x), \ + .pfn = __phys_to_pfn(x), \ + .length = sz, \ + .type = MT_DEVICE, \ +} + +/* minimum static i/o mapping required to boot U8500 platforms */ +static struct map_desc u8500_io_desc[] __initdata = { + __IO_DEV_DESC(U8500_GIC_CPU_BASE, SZ_4K), + __IO_DEV_DESC(U8500_GIC_DIST_BASE, SZ_4K), + __IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K), + __IO_DEV_DESC(U8500_TWD_BASE, SZ_4K), + __IO_DEV_DESC(U8500_SCU_BASE, SZ_4K), + __IO_DEV_DESC(U8500_BACKUPRAM0_BASE, SZ_8K), +}; + +void __init u8500_map_io(void) +{ + iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc)); +} + +void __init u8500_init_irq(void) +{ + gic_dist_init(0, __io_address(U8500_GIC_DIST_BASE), 29); + gic_cpu_init(0, __io_address(U8500_GIC_CPU_BASE)); +} + +/* + * This function is called from the board init + */ +void __init u8500_init_devices(void) +{ + /* Register the platform devices */ + platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); + + return ; +} |