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Diffstat (limited to 'arch/mips/jz4740/setup.c')
-rw-r--r--arch/mips/jz4740/setup.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/mips/jz4740/setup.c b/arch/mips/jz4740/setup.c
index afb40f8bce96..7e63c54eb8d2 100644
--- a/arch/mips/jz4740/setup.c
+++ b/arch/mips/jz4740/setup.c
@@ -31,7 +31,6 @@
#define JZ4740_EMC_SDRAM_CTRL 0x80
-
static void __init jz4740_detect_mem(void)
{
void __iomem *jz_emc_base;
@@ -66,15 +65,22 @@ static unsigned long __init get_board_mach_type(const void *fdt)
void __init plat_mem_setup(void)
{
int offset;
+ void *dtb;
jz4740_reset_init();
- __dt_setup_arch(__dtb_start);
- offset = fdt_path_offset(__dtb_start, "/memory");
+ if (__dtb_start != __dtb_end)
+ dtb = __dtb_start;
+ else
+ dtb = (void *)fw_passed_dtb;
+
+ __dt_setup_arch(dtb);
+
+ offset = fdt_path_offset(dtb, "/memory");
if (offset < 0)
jz4740_detect_mem();
- mips_machtype = get_board_mach_type(__dtb_start);
+ mips_machtype = get_board_mach_type(dtb);
}
void __init device_tree_init(void)