[U-Boot] [PATCH v2 4/6] sunxi: map DRAM part with 3G size

Icenowy Zheng icenowy at aosc.io
Thu Oct 25 09:23:05 UTC 2018


All Allwinner 64-bit SoCs now are known to be able to access 3GiB of
external DRAM, however the size of DRAM part in the MMU translation
table is still 2GiB.

Change the size of DRAM part in MMU table to 3GiB.

Signed-off-by: Icenowy Zheng <icenowy at aosc.io>
---
This used to be in another patchset targeting 3GiB support.

No changes in v2.

 arch/arm/mach-sunxi/board.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c
index d22a84ea6b..b74eaf2a0e 100644
--- a/arch/arm/mach-sunxi/board.c
+++ b/arch/arm/mach-sunxi/board.c
@@ -52,7 +52,7 @@ static struct mm_region sunxi_mem_map[] = {
 		/* RAM */
 		.virt = 0x40000000UL,
 		.phys = 0x40000000UL,
-		.size = 0x80000000UL,
+		.size = 0xC0000000UL,
 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
 			 PTE_BLOCK_INNER_SHARE
 	}, {
-- 
2.18.1



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