hikey: Add MMU tables

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>

diff --git a/board/hisilicon/hikey/hikey.c b/board/hisilicon/hikey/hikey.c
index c4ae40bfb4eec974b34491b29f0426ca32dd2610..1edc807bd397055ffdec8e0c0bcb8580d5d918f5 100644 (file)
--- 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 993b8b1b9fb5a59babbafd2e62a2b94d0c2e915d..263c562915a3c0e7e29fce425bf925c0e39819ee 100644 (file)
--- 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"