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[U-Boot,2/2] sunxi: Move the SPL stack top to 0x1A000 on Allwinner A64/A80

Message ID 1464648486-3717-3-git-send-email-siarhei.siamashka@gmail.com
State Accepted
Commit 1a83fb4a17d959d7b037999ab7ed7e62429abe34
Delegated to: Hans de Goede
Headers show

Commit Message

Siarhei Siamashka May 30, 2016, 10:48 p.m. UTC 
Since the SRAM C corruption issue is now resolved on Allwinner
A64, it is possible to move the stack top to the address 0x1A000
on both A64 and A80. The boot ROM can load SPL binaries with
up to 32 KiB size on A64 (the 24 KiB SPL size limitation only
affects A10/A20), and this patch also ensures the availability
of 8 KiB stack.

Signed-off-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>
---
 include/configs/sunxi-common.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
index b33cfb8..94275a7 100644
--- a/include/configs/sunxi-common.h
+++ b/include/configs/sunxi-common.h
@@ -100,7 +100,7 @@ 
  * the 1 actually activates the mapping of the first 32 KiB to 0x00000000.
  */
 #define CONFIG_SYS_INIT_RAM_ADDR	0x10000
-#define CONFIG_SYS_INIT_RAM_SIZE	0x08000	/* FIXME: 40 KiB ? */
+#define CONFIG_SYS_INIT_RAM_SIZE	0xA000	/* 40 KiB */
 #else
 #define CONFIG_SYS_INIT_RAM_ADDR	0x0
 #define CONFIG_SYS_INIT_RAM_SIZE	0x8000	/* 32 KiB */
@@ -213,8 +213,7 @@ 
 #define CONFIG_SPL_PAD_TO		32768		/* decimal for 'dd' */
 
 #if defined(CONFIG_MACH_SUN9I) || defined(CONFIG_MACH_SUN50I)
-/* FIXME: 40 KiB instead of 32 KiB ? */
-#define LOW_LEVEL_SRAM_STACK		0x00018000
+#define LOW_LEVEL_SRAM_STACK		0x0001A000
 #define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK
 #else
 /* end of 32 KiB in sram */