CONFIG_SYS_SDRAM_BASE points to cached memory, i.e. KSEG0, which is not suitable for detecting memory size.
Replace CONFIG_SYS_SDRAM_BASE with KSEG1, and make dram_init() always do memory size detection in any stage.
Reviewed-by: Stefan Roese sr@denx.de Signed-off-by: Weijie Gao weijie.gao@mediatek.com --- v4 changes: none v3 changes: none v2 changes: none --- arch/mips/mach-mtmips/cpu.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/mips/mach-mtmips/cpu.c b/arch/mips/mach-mtmips/cpu.c index 2ddf8cb096..ca1967055a 100644 --- a/arch/mips/mach-mtmips/cpu.c +++ b/arch/mips/mach-mtmips/cpu.c @@ -6,6 +6,7 @@ #include <common.h> #include <init.h> #include <malloc.h> +#include <asm/addrspace.h> #include <linux/bitops.h> #include <linux/io.h> #include <linux/sizes.h> @@ -14,9 +15,7 @@ DECLARE_GLOBAL_DATA_PTR;
int dram_init(void) { -#ifdef CONFIG_SKIP_LOWLEVEL_INIT - gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, SZ_256M); -#endif + gd->ram_size = get_ram_size((void *)KSEG1, SZ_256M);
return 0; }