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Diffstat (limited to 'arch/mips/jz4740/setup.c')
-rw-r--r--arch/mips/jz4740/setup.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/arch/mips/jz4740/setup.c b/arch/mips/jz4740/setup.c
index 6d0152321819..afb40f8bce96 100644
--- a/arch/mips/jz4740/setup.c
+++ b/arch/mips/jz4740/setup.c
@@ -53,6 +53,16 @@ static void __init jz4740_detect_mem(void)
add_memory_region(0, size, BOOT_MEM_RAM);
}
+static unsigned long __init get_board_mach_type(const void *fdt)
+{
+ if (!fdt_node_check_compatible(fdt, 0, "ingenic,jz4780"))
+ return MACH_INGENIC_JZ4780;
+ if (!fdt_node_check_compatible(fdt, 0, "ingenic,jz4770"))
+ return MACH_INGENIC_JZ4770;
+
+ return MACH_INGENIC_JZ4740;
+}
+
void __init plat_mem_setup(void)
{
int offset;
@@ -63,6 +73,8 @@ void __init plat_mem_setup(void)
offset = fdt_path_offset(__dtb_start, "/memory");
if (offset < 0)
jz4740_detect_mem();
+
+ mips_machtype = get_board_mach_type(__dtb_start);
}
void __init device_tree_init(void)
@@ -75,10 +87,14 @@ void __init device_tree_init(void)
const char *get_system_type(void)
{
- if (IS_ENABLED(CONFIG_MACH_JZ4780))
+ switch (mips_machtype) {
+ case MACH_INGENIC_JZ4780:
return "JZ4780";
-
- return "JZ4740";
+ case MACH_INGENIC_JZ4770:
+ return "JZ4770";
+ default:
+ return "JZ4740";
+ }
}
void __init arch_init_irq(void)