diff options
Diffstat (limited to 'arch/arm/mach-u8500/cpu-db8500.c')
| -rw-r--r-- | arch/arm/mach-u8500/cpu-db8500.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-u8500/cpu-db8500.c b/arch/arm/mach-u8500/cpu-db8500.c new file mode 100644 index 00000000000..fb7def59b22 --- /dev/null +++ b/arch/arm/mach-u8500/cpu-db8500.c @@ -0,0 +1,79 @@ +/* + * Copyright (C) 2010 ST-Ericsson + * + * 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/platform_device.h> +#include <linux/amba/bus.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/io.h> + +#include <asm/mach/map.h> + +#include <mach/hardware.h> +#include <mach/devices.h> +#include <mach/setup.h> + +static struct map_desc u8500_io_desc[] __initdata = { + __IO_DEV_DESC(U8500_MSP0_BASE, SZ_4K), + __IO_DEV_DESC(U8500_MSP1_BASE, SZ_4K), + __IO_DEV_DESC(U8500_MSP2_BASE, SZ_4K), + __IO_DEV_DESC(U8500_GPIO0_BASE, SZ_4K), + __IO_DEV_DESC(U8500_GPIO1_BASE, SZ_4K), + __IO_DEV_DESC(U8500_GPIO2_BASE, SZ_4K), + __IO_DEV_DESC(U8500_GPIO3_BASE, SZ_4K), + __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K), + __IO_DEV_DESC(U8500_PRCMU_TCDM_BASE, SZ_4K), +}; + +static struct map_desc u8500_ed_io_desc[] __initdata = { + __IO_DEV_DESC(U8500_CLKRST7_BASE, SZ_4K), + __IO_DEV_DESC(U8500_MTU0_BASE_ED, SZ_4K), + __IO_DEV_DESC(U8500_MTU1_BASE_ED, SZ_4K), +}; + +static struct amba_device *u8500_amba_devs[] __initdata = { + &u8500_gpio0_device, + &u8500_gpio1_device, + &u8500_gpio2_device, + &u8500_gpio3_device, +}; + +void __init u8500_map_io(void) +{ + ux500_map_io(); + + iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc)); + if (cpu_is_u8500ed()) + iotable_init(u8500_ed_io_desc, ARRAY_SIZE(u8500_ed_io_desc)); +} + +static void __init u8500_earlydrop_fixup(void) +{ + ux500_dma_device.resource[0].start = U8500_DMA_BASE_ED; + ux500_dma_device.resource[0].end = U8500_DMA_BASE_ED + SZ_4K - 1; + u8500_shrm_device.resource[1].start = IRQ_CA_WAKE_REQ_ED; + u8500_shrm_device.resource[1].end = IRQ_CA_WAKE_REQ_ED; + u8500_shrm_device.resource[2].start = IRQ_AC_READ_NOTIFICATION_0_ED; + u8500_shrm_device.resource[2].end = IRQ_AC_READ_NOTIFICATION_0_ED; + u8500_shrm_device.resource[3].start = IRQ_AC_READ_NOTIFICATION_1_ED; + u8500_shrm_device.resource[3].end = IRQ_AC_READ_NOTIFICATION_1_ED; + u8500_shrm_device.resource[4].start = IRQ_CA_MSG_PEND_NOTIFICATION_0_ED; + u8500_shrm_device.resource[4].end = IRQ_CA_MSG_PEND_NOTIFICATION_0_ED; + u8500_shrm_device.resource[5].start = IRQ_CA_MSG_PEND_NOTIFICATION_1_ED; + u8500_shrm_device.resource[5].end = IRQ_CA_MSG_PEND_NOTIFICATION_1_ED; +} + +void __init u8500_init_devices(void) +{ + if (u8500_is_earlydrop()) + u8500_earlydrop_fixup(); + + ux500_init_devices(); + + amba_add_devices(u8500_amba_devs, ARRAY_SIZE(u8500_amba_devs)); +} |