diff options
Diffstat (limited to 'arch/arm/mach-highbank')
-rw-r--r-- | arch/arm/mach-highbank/Kconfig | 6 | ||||
-rw-r--r-- | arch/arm/mach-highbank/highbank.c | 20 |
2 files changed, 15 insertions, 11 deletions
diff --git a/arch/arm/mach-highbank/Kconfig b/arch/arm/mach-highbank/Kconfig index cd9fcb1cd7ab..b9dd13ae3dca 100644 --- a/arch/arm/mach-highbank/Kconfig +++ b/arch/arm/mach-highbank/Kconfig @@ -1,9 +1,14 @@ config ARCH_HIGHBANK bool "Calxeda ECX-1000/2000 (Highbank/Midway)" if ARCH_MULTI_V7 + select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE select ARCH_HAS_CPUFREQ + select ARCH_HAS_HOLES_MEMORYMODEL select ARCH_HAS_OPP select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_AMBA + select ARM_ERRATA_764369 + select ARM_ERRATA_775420 + select ARM_ERRATA_798181 select ARM_GIC select ARM_TIMER_SP804 select CACHE_L2X0 @@ -18,3 +23,4 @@ config ARCH_HIGHBANK select PL320_MBOX select SPARSE_IRQ select USE_OF + select ZONE_DMA if ARM_LPAE diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index 88815795fe26..8e63ccdb0de3 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -18,14 +18,11 @@ #include <linux/clocksource.h> #include <linux/dma-mapping.h> #include <linux/io.h> -#include <linux/irq.h> #include <linux/irqchip.h> -#include <linux/irqdomain.h> #include <linux/of.h> #include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/of_address.h> -#include <linux/smp.h> #include <linux/amba/bus.h> #include <linux/clk-provider.h> @@ -35,7 +32,6 @@ #include <asm/hardware/cache-l2x0.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <asm/mach/time.h> #include "core.h" #include "sysregs.h" @@ -65,13 +61,11 @@ void highbank_set_cpu_jump(int cpu, void *jump_addr) HB_JUMP_TABLE_PHYS(cpu) + 15); } -#ifdef CONFIG_CACHE_L2X0 static void highbank_l2x0_disable(void) { /* Disable PL310 L2 Cache controller */ highbank_smc1(0x102, 0x0); } -#endif static void __init highbank_init_irq(void) { @@ -80,12 +74,13 @@ static void __init highbank_init_irq(void) if (of_find_compatible_node(NULL, NULL, "arm,cortex-a9")) highbank_scu_map_io(); -#ifdef CONFIG_CACHE_L2X0 /* Enable PL310 L2 Cache controller */ - highbank_smc1(0x102, 0x1); - l2x0_of_init(0, ~0UL); - outer_cache.disable = highbank_l2x0_disable; -#endif + if (IS_ENABLED(CONFIG_CACHE_L2X0) && + of_find_compatible_node(NULL, NULL, "arm,pl310-cache")) { + highbank_smc1(0x102, 0x1); + l2x0_of_init(0, ~0UL); + outer_cache.disable = highbank_l2x0_disable; + } } static void __init highbank_timer_init(void) @@ -176,6 +171,9 @@ static const char *highbank_match[] __initconst = { }; DT_MACHINE_START(HIGHBANK, "Highbank") +#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) + .dma_zone_size = (4ULL * SZ_1G), +#endif .smp = smp_ops(highbank_smp_ops), .init_irq = highbank_init_irq, .init_time = highbank_timer_init, |