x86: qemu: Extract getting memory size to a separate routine
This extracts getting memory size logic in dram_init() to a separate
routine qemu_get_low_memory_size(). No functional changes.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Aiden Park <aiden.park@intel.com>
diff --git a/arch/x86/cpu/qemu/dram.c b/arch/x86/cpu/qemu/dram.c
index 736c4c3..c29b073 100644
--- a/arch/x86/cpu/qemu/dram.c
+++ b/arch/x86/cpu/qemu/dram.c
@@ -9,7 +9,7 @@
DECLARE_GLOBAL_DATA_PTR;
-int dram_init(void)
+u32 qemu_get_low_memory_size(void)
{
u32 ram;
@@ -19,7 +19,12 @@
ram |= ((u32)inb(CMOS_DATA_PORT)) << 6;
ram += 16 * 1024;
+ return ram * 1024;
+}
+
- gd->ram_size = ram * 1024;
+int dram_init(void)
+{
+ gd->ram_size = qemu_get_low_memory_size();
post_code(POST_DRAM);
return 0;