From 2386969808c1694bb633804aff010294cb7e8573 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Thu, 21 Apr 2016 14:43:19 +0900 Subject: [PATCH] ARM: uniphier: reserve the last 64 byte of SDRAM 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 --- include/configs/uniphier.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/configs/uniphier.h b/include/configs/uniphier.h index fb405a9fe4..a25ac8d924 100644 --- a/include/configs/uniphier.h +++ b/include/configs/uniphier.h @@ -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 -- 2.25.1