diff options
Diffstat (limited to 'arch/arm/mach-realview')
| -rw-r--r-- | arch/arm/mach-realview/platsmp.c | 12 | ||||
| -rw-r--r-- | arch/arm/mach-realview/realview_eb.c | 93 |
2 files changed, 61 insertions, 44 deletions
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c index 0186c80c904..de2b7159557 100644 --- a/arch/arm/mach-realview/platsmp.c +++ b/arch/arm/mach-realview/platsmp.c @@ -18,6 +18,7 @@ #include <asm/hardware/arm_scu.h> #include <asm/hardware.h> #include <asm/io.h> +#include <asm/mach-types.h> extern void realview_secondary_startup(void); @@ -31,9 +32,13 @@ static unsigned int __init get_core_count(void) { unsigned int ncores; - ncores = __raw_readl(__io_address(REALVIEW_EB11MP_SCU_BASE) + SCU_CONFIG); + if (machine_is_realview_eb() && core_tile_eb11mp()) { + ncores = __raw_readl(__io_address(REALVIEW_EB11MP_SCU_BASE) + SCU_CONFIG); + ncores = (ncores & 0x03) + 1; + } else + ncores = 1; - return (ncores & 0x03) + 1; + return ncores; } static DEFINE_SPINLOCK(boot_lock); @@ -193,7 +198,8 @@ void __init smp_prepare_cpus(unsigned int max_cpus) * dummy (!CONFIG_LOCAL_TIMERS), it was already registers in * realview_timer_init */ - local_timer_setup(cpu); + if (machine_is_realview_eb() && core_tile_eb11mp()) + local_timer_setup(cpu); #endif /* diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c index afcf27ceac5..e42ac56e4db 100644 --- a/arch/arm/mach-realview/realview_eb.c +++ b/arch/arm/mach-realview/realview_eb.c @@ -59,26 +59,7 @@ static struct map_desc realview_eb_io_desc[] __initdata = { .pfn = __phys_to_pfn(REALVIEW_GIC_DIST_BASE), .length = SZ_4K, .type = MT_DEVICE, - }, -#ifdef CONFIG_REALVIEW_MPCORE - { - .virtual = IO_ADDRESS(REALVIEW_GIC1_CPU_BASE), - .pfn = __phys_to_pfn(REALVIEW_GIC1_CPU_BASE), - .length = SZ_4K, - .type = MT_DEVICE, }, { - .virtual = IO_ADDRESS(REALVIEW_GIC1_DIST_BASE), - .pfn = __phys_to_pfn(REALVIEW_GIC1_DIST_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_MPCORE_L220_BASE), - .pfn = __phys_to_pfn(REALVIEW_MPCORE_L220_BASE), - .length = SZ_8K, - .type = MT_DEVICE, - }, -#endif - { .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE), .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE), .length = SZ_4K, @@ -104,9 +85,30 @@ static struct map_desc realview_eb_io_desc[] __initdata = { #endif }; +static struct map_desc realview_eb11mp_io_desc[] __initdata = { + { + .virtual = IO_ADDRESS(REALVIEW_EB11MP_GIC_CPU_BASE), + .pfn = __phys_to_pfn(REALVIEW_EB11MP_GIC_CPU_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = IO_ADDRESS(REALVIEW_EB11MP_GIC_DIST_BASE), + .pfn = __phys_to_pfn(REALVIEW_EB11MP_GIC_DIST_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = IO_ADDRESS(REALVIEW_EB11MP_L220_BASE), + .pfn = __phys_to_pfn(REALVIEW_EB11MP_L220_BASE), + .length = SZ_8K, + .type = MT_DEVICE, + } +}; + static void __init realview_eb_map_io(void) { iotable_init(realview_eb_io_desc, ARRAY_SIZE(realview_eb_io_desc)); + if (core_tile_eb11mp()) + iotable_init(realview_eb11mp_io_desc, ARRAY_SIZE(realview_eb11mp_io_desc)); } /* @@ -243,24 +245,33 @@ static struct platform_device realview_eb_smc91x_device = { 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) + REALVIEW_MPCORE_SYS_PLD_CTRL1); - pldctrl |= 0x00800000; /* New irq mode */ - 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); - gic_cpu_init(0, __io_address(REALVIEW_GIC_CPU_BASE)); -#if defined(CONFIG_REALVIEW_MPCORE) && !defined(CONFIG_REALVIEW_MPCORE_REVB) - gic_dist_init(1, __io_address(REALVIEW_GIC1_DIST_BASE), 64); - gic_cpu_init(1, __io_address(REALVIEW_GIC1_CPU_BASE)); - gic_cascade_irq(1, IRQ_EB_IRQ1); + if (core_tile_eb11mp()) { + unsigned int pldctrl; + + /* new irq mode */ + writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK)); + pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + REALVIEW_EB11MP_SYS_PLD_CTRL1); + pldctrl |= 0x00800000; + writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + REALVIEW_EB11MP_SYS_PLD_CTRL1); + writel(0x00000000, __io_address(REALVIEW_SYS_LOCK)); + + /* core tile GIC, primary */ + gic_dist_init(0, __io_address(REALVIEW_EB11MP_GIC_DIST_BASE), 29); + gic_cpu_init(0, __io_address(REALVIEW_EB11MP_GIC_CPU_BASE)); + +#ifndef CONFIG_REALVIEW_MPCORE_REVB + /* board GIC, secondary */ + gic_dist_init(1, __io_address(REALVIEW_GIC_DIST_BASE), 64); + gic_cpu_init(1, __io_address(REALVIEW_GIC_CPU_BASE)); + gic_cascade_irq(1, IRQ_EB11MP_EB_IRQ1); #endif + } else { + /* board GIC, primary */ + gic_dist_init(0, __io_address(REALVIEW_GIC_DIST_BASE), 29); + gic_cpu_init(0, __io_address(REALVIEW_GIC_CPU_BASE)); + } } -#ifdef CONFIG_REALVIEW_MPCORE /* * Fix up the IRQ numbers for the RealView EB/ARM11MPCore tile */ @@ -290,19 +301,19 @@ static void realview_eb11mp_fixup(void) realview_eb_smc91x_resources[1].start = IRQ_EB11MP_ETH; realview_eb_smc91x_resources[1].end = IRQ_EB11MP_ETH; } -#endif static void __init realview_eb_init(void) { int i; -#ifdef CONFIG_REALVIEW_MPCORE - realview_eb11mp_fixup(); + if (core_tile_eb11mp()) { + realview_eb11mp_fixup(); + + /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled + * Bits: .... ...0 0111 1001 0000 .... .... .... */ + l2x0_init(__io_address(REALVIEW_EB11MP_L220_BASE), 0x00790000, 0xfe000fff); + } - /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled - * Bits: .... ...0 0111 1001 0000 .... .... .... */ - l2x0_init(__io_address(REALVIEW_MPCORE_L220_BASE), 0x00790000, 0xfe000fff); -#endif clk_register(&realview_clcd_clk); platform_device_register(&realview_flash_device); |