diff options
Diffstat (limited to 'board/emulation/qemu-arm/qemu-arm.c')
| -rw-r--r-- | board/emulation/qemu-arm/qemu-arm.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/board/emulation/qemu-arm/qemu-arm.c b/board/emulation/qemu-arm/qemu-arm.c index 69e8ef46f1f..f18f2ed7da3 100644 --- a/board/emulation/qemu-arm/qemu-arm.c +++ b/board/emulation/qemu-arm/qemu-arm.c @@ -4,6 +4,7 @@ */ #include <common.h> +#include <cpu_func.h> #include <dm.h> #include <fdtdec.h> #include <init.h> @@ -94,6 +95,12 @@ void *board_fdt_blob_setup(void) return (void *)CONFIG_SYS_SDRAM_BASE; } +void enable_caches(void) +{ + icache_enable(); + dcache_enable(); +} + #if defined(CONFIG_EFI_RNG_PROTOCOL) #include <efi_loader.h> #include <efi_rng.h> @@ -135,3 +142,48 @@ efi_status_t platform_get_rng_device(struct udevice **dev) return EFI_SUCCESS; } #endif /* CONFIG_EFI_RNG_PROTOCOL */ + +#ifdef CONFIG_ARM64 +#define __W "w" +#else +#define __W +#endif + +u8 flash_read8(void *addr) +{ + u8 ret; + + asm("ldrb %" __W "0, %1" : "=r"(ret) : "m"(*(u8 *)addr)); + return ret; +} + +u16 flash_read16(void *addr) +{ + u16 ret; + + asm("ldrh %" __W "0, %1" : "=r"(ret) : "m"(*(u16 *)addr)); + return ret; +} + +u32 flash_read32(void *addr) +{ + u32 ret; + + asm("ldr %" __W "0, %1" : "=r"(ret) : "m"(*(u32 *)addr)); + return ret; +} + +void flash_write8(u8 value, void *addr) +{ + asm("strb %" __W "1, %0" : "=m"(*(u8 *)addr) : "r"(value)); +} + +void flash_write16(u16 value, void *addr) +{ + asm("strh %" __W "1, %0" : "=m"(*(u16 *)addr) : "r"(value)); +} + +void flash_write32(u32 value, void *addr) +{ + asm("str %" __W "1, %0" : "=m"(*(u32 *)addr) : "r"(value)); +} |