diff options
Diffstat (limited to 'arch/arm/mach-ux500')
| -rw-r--r-- | arch/arm/mach-ux500/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/board-mop500.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/cpu-u8500.c | 44 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/cpu.c | 68 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/include/mach/setup.h | 13 |
5 files changed, 83 insertions, 46 deletions
diff --git a/arch/arm/mach-ux500/Makefile b/arch/arm/mach-ux500/Makefile index 95e6e24c0042..6deee85dfbe0 100644 --- a/arch/arm/mach-ux500/Makefile +++ b/arch/arm/mach-ux500/Makefile @@ -2,7 +2,7 @@ # Makefile for the linux kernel, U8500 machine. # -obj-y := clock.o +obj-y := clock.o cpu.o obj-$(CONFIG_ARCH_U8500) += cpu-u8500.o obj-$(CONFIG_MACH_U8500_MOP) += board-mop500.o obj-$(CONFIG_SMP) += platsmp.o headsmp.o localtimer.o diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index 4335186135e4..9ca47095db76 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -221,7 +221,7 @@ MACHINE_START(U8500, "ST-Ericsson MOP500 platform") .io_pg_offst = (IO_ADDRESS(U8500_UART2_BASE) >> 18) & 0xfffc, .boot_params = 0x100, .map_io = u8500_map_io, - .init_irq = u8500_init_irq, + .init_irq = ux500_init_irq, /* we re-use nomadik timer here */ .timer = &u8500_timer, .init_machine = u8500_init_machine, diff --git a/arch/arm/mach-ux500/cpu-u8500.c b/arch/arm/mach-ux500/cpu-u8500.c index 8919af4eeeb5..2c8aa93dca6e 100644 --- a/arch/arm/mach-ux500/cpu-u8500.c +++ b/arch/arm/mach-ux500/cpu-u8500.c @@ -18,9 +18,7 @@ #include <linux/io.h> #include <asm/localtimer.h> -#include <asm/hardware/gic.h> #include <asm/mach/map.h> -#include <asm/hardware/cache-l2x0.h> #include <plat/mtu.h> #include <mach/hardware.h> #include <mach/setup.h> @@ -103,32 +101,13 @@ static struct platform_device *platform_devs[] __initdata = { &u8500_gpio_devs[8], }; -#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_UART2_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GIC_CPU_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GIC_DIST_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), __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST1_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST2_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST3_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST5_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST6_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_L2CC_BASE, SZ_4K), }; static struct map_desc u8500ed_io_desc[] __initdata = { @@ -142,6 +121,8 @@ static struct map_desc u8500v1_io_desc[] __initdata = { void __init u8500_map_io(void) { + ux500_map_io(); + iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc)); if (cpu_is_u8500ed()) @@ -150,12 +131,6 @@ void __init u8500_map_io(void) iotable_init(u8500v1_io_desc, ARRAY_SIZE(u8500v1_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 */ @@ -185,18 +160,3 @@ static void __init u8500_timer_init(void) struct sys_timer u8500_timer = { .init = u8500_timer_init, }; - -#ifdef CONFIG_CACHE_L2X0 -static int u8500_l2x0_init(void) -{ - void __iomem *l2x0_base; - - l2x0_base = __io_address(U8500_L2CC_BASE); - - /* 64KB way size, 8 way associativity, force WA */ - l2x0_init(l2x0_base, 0x3e060000, 0xc0000fff); - - return 0; -} -early_initcall(u8500_l2x0_init); -#endif diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c new file mode 100644 index 000000000000..e6a8058cd735 --- /dev/null +++ b/arch/arm/mach-ux500/cpu.c @@ -0,0 +1,68 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson + * License terms: GNU General Public License (GPL) version 2 + */ + +#include <linux/platform_device.h> +#include <linux/amba/bus.h> +#include <linux/io.h> +#include <linux/clk.h> + +#include <asm/hardware/cache-l2x0.h> +#include <asm/hardware/gic.h> +#include <asm/mach/map.h> + +#include <mach/hardware.h> +#include <mach/setup.h> + +#include "clock.h" + +static struct map_desc ux500_io_desc[] __initdata = { + __IO_DEV_DESC(UX500_UART0_BASE, SZ_4K), + __IO_DEV_DESC(UX500_UART2_BASE, SZ_4K), + + __IO_DEV_DESC(UX500_GIC_CPU_BASE, SZ_4K), + __IO_DEV_DESC(UX500_GIC_DIST_BASE, SZ_4K), + __IO_DEV_DESC(UX500_L2CC_BASE, SZ_4K), + __IO_DEV_DESC(UX500_TWD_BASE, SZ_4K), + __IO_DEV_DESC(UX500_SCU_BASE, SZ_4K), + + __IO_DEV_DESC(UX500_CLKRST1_BASE, SZ_4K), + __IO_DEV_DESC(UX500_CLKRST2_BASE, SZ_4K), + __IO_DEV_DESC(UX500_CLKRST3_BASE, SZ_4K), + __IO_DEV_DESC(UX500_CLKRST5_BASE, SZ_4K), + __IO_DEV_DESC(UX500_CLKRST6_BASE, SZ_4K), + + __IO_DEV_DESC(UX500_MTU0_BASE, SZ_4K), + __IO_DEV_DESC(UX500_MTU1_BASE, SZ_4K), + + __IO_DEV_DESC(UX500_BACKUPRAM0_BASE, SZ_8K), +}; + +void __init ux500_map_io(void) +{ + iotable_init(ux500_io_desc, ARRAY_SIZE(ux500_io_desc)); +} + +void __init ux500_init_irq(void) +{ + gic_dist_init(0, __io_address(UX500_GIC_DIST_BASE), 29); + gic_cpu_init(0, __io_address(UX500_GIC_CPU_BASE)); +} + +#ifdef CONFIG_CACHE_L2X0 +static int ux500_l2x0_init(void) +{ + void __iomem *l2x0_base; + + l2x0_base = __io_address(UX500_L2CC_BASE); + + /* 64KB way size, 8 way associativity, force WA */ + l2x0_init(l2x0_base, 0x3e060000, 0xc0000fff); + + return 0; +} +early_initcall(ux500_l2x0_init); +#endif diff --git a/arch/arm/mach-ux500/include/mach/setup.h b/arch/arm/mach-ux500/include/mach/setup.h index 65112bfd7a0c..6c4c348fbdbb 100644 --- a/arch/arm/mach-ux500/include/mach/setup.h +++ b/arch/arm/mach-ux500/include/mach/setup.h @@ -14,13 +14,22 @@ #include <asm/mach/time.h> #include <linux/init.h> -extern void u8500_map_io(void); +extern void __init ux500_map_io(void); +extern void __init u8500_map_io(void); + extern void u8500_init_devices(void); -extern void u8500_init_irq(void); +extern void __init ux500_init_irq(void); /* We re-use nomadik_timer for this platform */ extern void nmdk_timer_init(void); struct sys_timer; extern struct sys_timer u8500_timer; +#define __IO_DEV_DESC(x, sz) { \ + .virtual = IO_ADDRESS(x), \ + .pfn = __phys_to_pfn(x), \ + .length = sz, \ + .type = MT_DEVICE, \ +} + #endif /* __ASM_ARCH_SETUP_H */ |
