[U-Boot] [PATCH 01/13] ARM: uniphier: change stack pointer address for SPL

Masahiro Yamada yamada.masahiro at socionext.com
Tue Feb 2 13:11:28 CET 2016


No special reason for the current stack address 0x0ff08000.
Change it to 0x00100000 to simplify the init_page_table.

There are two types of SoCs in terms of the load address of SPL.

 [1] PH1-sLD3, PH1-LD4, PH1-sLD8
   SPL is loaded at 0x00040000-0x0004ffff
 [2] PH1-Pro4, PH1-Pro5, ProXstream2, PH1-LD6b
   SPL is loaded at 0x00100000-0x0010ffff

The new stack area (0x000f8000-0x00100000) should be safe for all the
cases.

Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
---

 arch/arm/mach-uniphier/init_page_table.S | 5 +----
 include/configs/uniphier.h               | 2 +-
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-uniphier/init_page_table.S b/arch/arm/mach-uniphier/init_page_table.S
index 2d3ad15..4ed2656 100644
--- a/arch/arm/mach-uniphier/init_page_table.S
+++ b/arch/arm/mach-uniphier/init_page_table.S
@@ -13,15 +13,12 @@
 #define DEVICE	0x00002002 /* Non-shareable Device */
 #define NORMAL	0x0000000e /* Normal Memory Write-Back, No Write-Allocate */
 
-#define TEXT_SECTION	((CONFIG_SPL_TEXT_BASE) >> (SECTION_SHIFT))
-#define STACK_SECTION	((CONFIG_SPL_STACK) >> (SECTION_SHIFT))
-
 	.section ".rodata"
 	.align 14
 ENTRY(init_page_table)
 	section = 0
 	.rept NR_SECTIONS
-	.if section == 0 || section == 1 || section == STACK_SECTION
+	.if section == 0 || section == 1
 	attr = NORMAL
 	.else
 	attr = DEVICE
diff --git a/include/configs/uniphier.h b/include/configs/uniphier.h
index 8856044..93e1919 100644
--- a/include/configs/uniphier.h
+++ b/include/configs/uniphier.h
@@ -252,7 +252,7 @@
 #define CONFIG_SPL_TEXT_BASE		0x00100000
 #endif
 
-#define CONFIG_SPL_STACK		(0x0ff08000)
+#define CONFIG_SPL_STACK		(0x00100000)
 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_TEXT_BASE)
 
 #define CONFIG_PANIC_HANG
-- 
1.9.1



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