The hikey runs with dcache disabled today. There really should be no reason not to use caches on AArch64, so let's add MMU definitions and enable the dcache.
Signed-off-by: Alexander Graf agraf@suse.de
---
v1 -> v2:
- Move tables to .c file --- board/hisilicon/hikey/hikey.c | 21 +++++++++++++++++++++ include/configs/hikey.h | 5 +++-- 2 files changed, 24 insertions(+), 2 deletions(-)
diff --git a/board/hisilicon/hikey/hikey.c b/board/hisilicon/hikey/hikey.c index c4ae40b..1edc807 100644 --- a/board/hisilicon/hikey/hikey.c +++ b/board/hisilicon/hikey/hikey.c @@ -19,6 +19,7 @@ #include <asm/arch/periph.h> #include <asm/arch/pinmux.h> #include <asm/arch/hi6220.h> +#include <asm/armv8/mmu.h>
/*TODO drop this table in favour of device tree */ static const struct hikey_gpio_platdata hi6220_gpio[] = { @@ -87,6 +88,26 @@ U_BOOT_DEVICE(hikey_seriala) = { .platdata = &serial_platdata, };
+static struct mm_region hikey_mem_map[] = { + { + .base = 0x0UL, + .size = 0x80000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + .base = 0x80000000UL, + .size = 0x80000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + /* List terminator */ + 0, + } +}; + +struct mm_region *mem_map = hikey_mem_map; + #ifdef CONFIG_BOARD_EARLY_INIT_F int board_uart_init(void) { diff --git a/include/configs/hikey.h b/include/configs/hikey.h index 796861e..d33dcef 100644 --- a/include/configs/hikey.h +++ b/include/configs/hikey.h @@ -21,8 +21,9 @@
#define CONFIG_SUPPORT_RAW_INITRD
-/* Cache Definitions */ -#define CONFIG_SYS_DCACHE_OFF +/* MMU Definitions */ +#define CONFIG_SYS_CACHELINE_SIZE 64 +#define CONFIG_SYS_FULL_VA
#define CONFIG_IDENT_STRING "hikey"