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ARM: uniphier: parse device tree to determine DRAM base and size

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Device tree specifies the available memory ranges in its "/memory"
node.  Use it to simplify the CONFIG defines.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada
2015-09-11 20:17:49 +09:00
parent 9628afa7f5
commit cf88affab6
3 changed files with 48 additions and 26 deletions
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11
include/configs/uniphier.h
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@@ -295,17 +295,8 @@
/* Open Firmware flat tree */
#define CONFIG_OF_LIBFDT
/* Memory Size & Mapping */
#define CONFIG_SYS_SDRAM_BASE CONFIG_SDRAM0_BASE
#if CONFIG_SDRAM0_BASE + CONFIG_SDRAM0_SIZE >= CONFIG_SDRAM1_BASE
/* Thre is no memory hole */
#define CONFIG_NR_DRAM_BANKS 1
#define CONFIG_SYS_SDRAM_SIZE (CONFIG_SDRAM0_SIZE + CONFIG_SDRAM1_SIZE)
#else
#define CONFIG_SYS_SDRAM_BASE 0x80000000
#define CONFIG_NR_DRAM_BANKS 2
#define CONFIG_SYS_SDRAM_SIZE (CONFIG_SDRAM0_SIZE)
#endif
#if defined(CONFIG_MACH_PH1_SLD3) || defined(CONFIG_MACH_PH1_LD4) || \
defined(CONFIG_MACH_PH1_SLD8)