diff options
| -rw-r--r-- | arch/arm/mach-realview/Kconfig | 10 | ||||
| -rw-r--r-- | arch/arm/mach-realview/realview_eb.c | 4 | ||||
| -rw-r--r-- | arch/arm/mm/proc-v6.S | 8 | ||||
| -rw-r--r-- | include/asm-arm/arch-realview/hardware.h | 2 | ||||
| -rw-r--r-- | include/asm-arm/arch-realview/platform.h | 10 | ||||
| -rw-r--r-- | include/asm-arm/arch-realview/scu.h | 8 | ||||
| -rw-r--r-- | include/asm-arm/hardware/arm_scu.h | 2 |
7 files changed, 38 insertions, 6 deletions
diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig index 17f5f4439fe..68bc6b226ec 100644 --- a/arch/arm/mach-realview/Kconfig +++ b/arch/arm/mach-realview/Kconfig @@ -16,4 +16,14 @@ config REALVIEW_MPCORE kernel built with this option enabled is not compatible with other tiles. +config REALVIEW_MPCORE_REVB + bool "Support MPcore RevB tile" + depends on REALVIEW_MPCORE + default n + help + Enable support for the MPCore RevB tile on the Realview platform. + Since there are device address differences, a + kernel built with this option enabled is not compatible with + other tiles. + endmenu diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c index 00139143dcc..effe243454e 100644 --- a/arch/arm/mach-realview/realview_eb.c +++ b/arch/arm/mach-realview/realview_eb.c @@ -152,9 +152,9 @@ static void __init gic_init_irq(void) #ifdef CONFIG_REALVIEW_MPCORE unsigned int pldctrl; writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK)); - pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + 0xd8); + pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + REALVIEW_MPCORE_SYS_PLD_CTRL1); pldctrl |= 0x00800000; /* New irq mode */ - writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + 0xd8); + writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + REALVIEW_MPCORE_SYS_PLD_CTRL1); writel(0x00000000, __io_address(REALVIEW_SYS_LOCK)); #endif gic_dist_init(0, __io_address(REALVIEW_GIC_DIST_BASE), 29); diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index 7b1843befb9..f27d9eb6480 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -14,10 +14,13 @@ #include <asm/assembler.h> #include <asm/asm-offsets.h> #include <asm/elf.h> -#include <asm/hardware/arm_scu.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> +#ifdef CONFIG_SMP +#include <asm/hardware/arm_scu.h> +#endif + #include "proc-macros.S" #define D_CACHE_LINE_SIZE 32 @@ -183,8 +186,7 @@ __v6_setup: /* Set up the SCU on core 0 only */ mrc p15, 0, r0, c0, c0, 5 @ CPU core number ands r0, r0, #15 - moveq r0, #0x10000000 @ SCU_BASE - orreq r0, r0, #0x00100000 + ldreq r0, =SCU_BASE ldreq r5, [r0, #SCU_CTRL] orreq r5, r5, #1 streq r5, [r0, #SCU_CTRL] diff --git a/include/asm-arm/arch-realview/hardware.h b/include/asm-arm/arch-realview/hardware.h index 9ca76dc3a7a..aa78fe087ab 100644 --- a/include/asm-arm/arch-realview/hardware.h +++ b/include/asm-arm/arch-realview/hardware.h @@ -26,7 +26,7 @@ #include <asm/arch/platform.h> /* macro to get at IO space when running virtually */ -#define IO_ADDRESS(x) (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000) +#define IO_ADDRESS(x) ((((x) & 0x0effffff) | (((x) >> 4) & 0x0f000000)) + 0xf0000000) #define __io_address(n) __io(IO_ADDRESS(n)) #endif diff --git a/include/asm-arm/arch-realview/platform.h b/include/asm-arm/arch-realview/platform.h index bf52ca752a7..87acd9c191e 100644 --- a/include/asm-arm/arch-realview/platform.h +++ b/include/asm-arm/arch-realview/platform.h @@ -207,11 +207,21 @@ #define REALVIEW_GIC_CPU_BASE 0x10040000 /* Generic interrupt controller CPU interface */ #define REALVIEW_GIC_DIST_BASE 0x10041000 /* Generic interrupt controller distributor */ #else +#ifdef CONFIG_REALVIEW_MPCORE_REVB #define REALVIEW_MPCORE_SCU_BASE 0x10100000 /* SCU registers */ #define REALVIEW_GIC_CPU_BASE 0x10100100 /* Generic interrupt controller CPU interface */ #define REALVIEW_TWD_BASE 0x10100700 #define REALVIEW_TWD_SIZE 0x00000100 #define REALVIEW_GIC_DIST_BASE 0x10101000 /* Generic interrupt controller distributor */ +#define REALVIEW_MPCORE_SYS_PLD_CTRL1 0xD8 /* Register offset for MPCore sysctl */ +#else +#define REALVIEW_MPCORE_SCU_BASE 0x1F000000 /* SCU registers */ +#define REALVIEW_GIC_CPU_BASE 0x1F000100 /* Generic interrupt controller CPU interface */ +#define REALVIEW_TWD_BASE 0x1F000700 +#define REALVIEW_TWD_SIZE 0x00000100 +#define REALVIEW_GIC_DIST_BASE 0x1F001000 /* Generic interrupt controller distributor */ +#define REALVIEW_MPCORE_SYS_PLD_CTRL1 0x74 /* Register offset for MPCore sysctl */ +#endif #define REALVIEW_GIC1_CPU_BASE 0x10040000 /* Generic interrupt controller CPU interface */ #define REALVIEW_GIC1_DIST_BASE 0x10041000 /* Generic interrupt controller distributor */ #endif diff --git a/include/asm-arm/arch-realview/scu.h b/include/asm-arm/arch-realview/scu.h new file mode 100644 index 00000000000..cc293640178 --- /dev/null +++ b/include/asm-arm/arch-realview/scu.h @@ -0,0 +1,8 @@ +#ifndef __ASMARM_ARCH_SCU_H +#define __ASMARM_ARCH_SCU_H + +#include <asm/arch/platform.h> + +#define SCU_BASE REALVIEW_MPCORE_SCU_BASE + +#endif diff --git a/include/asm-arm/hardware/arm_scu.h b/include/asm-arm/hardware/arm_scu.h index 9903f60c84b..7d28eb5a175 100644 --- a/include/asm-arm/hardware/arm_scu.h +++ b/include/asm-arm/hardware/arm_scu.h @@ -1,6 +1,8 @@ #ifndef ASMARM_HARDWARE_ARM_SCU_H #define ASMARM_HARDWARE_ARM_SCU_H +#include <asm/arch/scu.h> + /* * SCU registers */ |