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[U-Boot,5/9] vexpress64: Add MMU tables

Message ID 1456106232-233210-6-git-send-email-agraf@suse.de
State Superseded
Headers show

Commit Message

Alexander Graf Feb. 22, 2016, 1:57 a.m. UTC 
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>
---
 include/configs/vexpress_aemv8a.h | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)
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Patch

diff --git a/include/configs/vexpress_aemv8a.h b/include/configs/vexpress_aemv8a.h
index 133041b..9689231 100644
--- a/include/configs/vexpress_aemv8a.h
+++ b/include/configs/vexpress_aemv8a.h
@@ -19,9 +19,23 @@ 
 
 #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_SYS_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				\
+	},								\
+	}
 
 #define CONFIG_IDENT_STRING		" vexpress_aemv8a"
 #define CONFIG_BOOTP_VCI_STRING		"U-Boot.armv8.vexpress_aemv8a"