diff options
Diffstat (limited to 'arch/arm/mach-keystone')
| -rw-r--r-- | arch/arm/mach-keystone/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-keystone/keystone.c | 25 | ||||
| -rw-r--r-- | arch/arm/mach-keystone/memory.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-keystone/platsmp.c | 2 |
4 files changed, 15 insertions, 16 deletions
diff --git a/arch/arm/mach-keystone/Kconfig b/arch/arm/mach-keystone/Kconfig index cfd39f729f8e..de69cc2dd483 100644 --- a/arch/arm/mach-keystone/Kconfig +++ b/arch/arm/mach-keystone/Kconfig @@ -8,7 +8,6 @@ config ARCH_KEYSTONE select ARCH_HAS_RESET_CONTROLLER select ARM_ERRATA_798181 if SMP select COMMON_CLK_KEYSTONE - select ARCH_SUPPORTS_BIG_ENDIAN select ZONE_DMA if ARM_LPAE select PINCTRL select PM_GENERIC_DOMAINS if PM diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c index 638808c4e122..2c647bdf8d25 100644 --- a/arch/arm/mach-keystone/keystone.c +++ b/arch/arm/mach-keystone/keystone.c @@ -8,6 +8,7 @@ */ #include <linux/io.h> #include <linux/of.h> +#include <linux/dma-map-ops.h> #include <linux/init.h> #include <linux/of_platform.h> #include <linux/of_address.h> @@ -24,8 +25,7 @@ #include "keystone.h" -static unsigned long keystone_dma_pfn_offset __read_mostly; - +#ifdef CONFIG_ARM_LPAE static int keystone_platform_notifier(struct notifier_block *nb, unsigned long event, void *data) { @@ -38,9 +38,12 @@ static int keystone_platform_notifier(struct notifier_block *nb, return NOTIFY_BAD; if (!dev->of_node) { - dev->dma_pfn_offset = keystone_dma_pfn_offset; - dev_err(dev, "set dma_pfn_offset%08lx\n", - dev->dma_pfn_offset); + int ret = dma_direct_set_offset(dev, KEYSTONE_HIGH_PHYS_START, + KEYSTONE_LOW_PHYS_START, + KEYSTONE_HIGH_PHYS_SIZE); + dev_err(dev, "set dma_offset%08llx%s\n", + KEYSTONE_HIGH_PHYS_START - KEYSTONE_LOW_PHYS_START, + ret ? " failed" : ""); } return NOTIFY_OK; } @@ -48,21 +51,21 @@ static int keystone_platform_notifier(struct notifier_block *nb, static struct notifier_block platform_nb = { .notifier_call = keystone_platform_notifier, }; +#endif /* CONFIG_ARM_LPAE */ static void __init keystone_init(void) { - if (PHYS_OFFSET >= KEYSTONE_HIGH_PHYS_START) { - keystone_dma_pfn_offset = PFN_DOWN(KEYSTONE_HIGH_PHYS_START - - KEYSTONE_LOW_PHYS_START); +#ifdef CONFIG_ARM_LPAE + if (PHYS_OFFSET >= KEYSTONE_HIGH_PHYS_START) bus_register_notifier(&platform_bus_type, &platform_nb); - } +#endif keystone_pm_runtime_init(); } static long long __init keystone_pv_fixup(void) { long long offset; - phys_addr_t mem_start, mem_end; + u64 mem_start, mem_end; mem_start = memblock_start_of_DRAM(); mem_end = memblock_end_of_DRAM(); @@ -75,7 +78,7 @@ static long long __init keystone_pv_fixup(void) if (mem_start < KEYSTONE_HIGH_PHYS_START || mem_end > KEYSTONE_HIGH_PHYS_END) { pr_crit("Invalid address space for memory (%08llx-%08llx)\n", - (u64)mem_start, (u64)mem_end); + mem_start, mem_end); return 0; } diff --git a/arch/arm/mach-keystone/memory.h b/arch/arm/mach-keystone/memory.h index 9147565d0581..1b9ed1271e05 100644 --- a/arch/arm/mach-keystone/memory.h +++ b/arch/arm/mach-keystone/memory.h @@ -6,9 +6,6 @@ #ifndef __MEMORY_H #define __MEMORY_H -#define MAX_PHYSMEM_BITS 36 -#define SECTION_SIZE_BITS 34 - #define KEYSTONE_LOW_PHYS_START 0x80000000ULL #define KEYSTONE_LOW_PHYS_SIZE 0x80000000ULL /* 2G */ #define KEYSTONE_LOW_PHYS_END (KEYSTONE_LOW_PHYS_START + \ diff --git a/arch/arm/mach-keystone/platsmp.c b/arch/arm/mach-keystone/platsmp.c index c810e23a8fa0..673fcf3b34b1 100644 --- a/arch/arm/mach-keystone/platsmp.c +++ b/arch/arm/mach-keystone/platsmp.c @@ -12,11 +12,11 @@ #include <linux/init.h> #include <linux/smp.h> #include <linux/io.h> +#include <linux/pgtable.h> #include <asm/smp_plat.h> #include <asm/prom.h> #include <asm/tlbflush.h> -#include <asm/pgtable.h> #include "keystone.h" |