[U-Boot] [PATCH v4 10/13] 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 yamada.masahiro@socionext.com ---

Changes in v4: None Changes in v3: None Changes in v2: None

include/configs/uniphier.h | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/include/configs/uniphier.h b/include/configs/uniphier.h index fb405a9..a25ac8d 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