vexpress64: Add MMU tables
There's no good excuse for running with caches disabled on AArch64,
so let's just move the vexpress64 target to enable the MMU and run
with caches on.
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/board/armltd/vexpress64/vexpress64.c b/board/armltd/vexpress64/vexpress64.c
index 6efc8c1..973b579 100644
--- a/board/armltd/vexpress64/vexpress64.c
+++ b/board/armltd/vexpress64/vexpress64.c
@@ -14,6 +14,7 @@
#include <dm/platdata.h>
#include <dm/platform_data/serial_pl01x.h>
#include "pcie.h"
+#include <asm/armv8/mmu.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -28,6 +29,26 @@
.platdata = &serial_platdata,
};
+static struct mm_region vexpress64_mem_map[] = {
+ {
+ .base = 0x0UL,
+ .size = 0x80000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ .base = 0x80000000UL,
+ .size = 0xff80000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_INNER_SHARE
+ }, {
+ /* List terminator */
+ 0,
+ }
+};
+
+struct mm_region *mem_map = vexpress64_mem_map;
+
/* This function gets replaced by platforms supporting PCIe.
* The replacement function, eg. on Juno, initialises the PCIe bus.
*/
diff --git a/include/configs/vexpress_aemv8a.h b/include/configs/vexpress_aemv8a.h
index 269053e..e398bdb 100644
--- a/include/configs/vexpress_aemv8a.h
+++ b/include/configs/vexpress_aemv8a.h
@@ -19,9 +19,9 @@
#define CONFIG_SUPPORT_RAW_INITRD
-/* Cache Definitions */
-#define CONFIG_SYS_DCACHE_OFF
-#define CONFIG_SYS_ICACHE_OFF
+/* MMU Definitions */
+#define CONFIG_SYS_CACHELINE_SIZE 64
+#define CONFIG_SYS_FULL_VA
#define CONFIG_IDENT_STRING " vexpress_aemv8a"
#define CONFIG_BOOTP_VCI_STRING "U-Boot.armv8.vexpress_aemv8a"