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ARM: uniphier: reserve the last 64 byte of SDRAM

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The last 64 byte of each DDR channel of PH1-LD20 is periodically
used as a scratch area for the DDR PHY training.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2016-04-21 14:43:19 +09:00
parent 9d0c2ceb35
commit 2386969808
1 changed files with 2 additions and 0 deletions
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2
include/configs/uniphier.h
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@ -259,6 +259,8 @@
#define CONFIG_SYS_SDRAM_BASE 0x80000000
#define CONFIG_NR_DRAM_BANKS 2
/* for LD20; the last 64 byte is used for dynamic DDR PHY training */
#define CONFIG_SYS_MEM_TOP_HIDE 64
#if defined(CONFIG_ARM64)
#define CONFIG_SPL_TEXT_BASE 0x30000000