rk2928: add ddr_freq param

diff --git a/arch/arm/mach-rk2928/common.c b/arch/arm/mach-rk2928/common.c
index 5968a7557eb5f147ce43a8f1a71c4f1784da5c1a..a5f8c904e6c657a3267235cf3ac29eca7a506472 100755 (executable)
--- a/arch/arm/mach-rk2928/common.c
+++ b/arch/arm/mach-rk2928/common.c
@@ -114,6 +114,14 @@ void __init rk2928_init_irq(void)
 extern void __init rk2928_map_common_io(void);
 extern int __init clk_disable_unused(void);
 
+static unsigned int __initdata ddr_freq = DDR_FREQ;
+static int __init ddr_freq_setup(char *str)
+{
+       get_option(&str, &ddr_freq);
+       return 0;
+}
+early_param("ddr_freq", ddr_freq_setup);
+
 void __init rk2928_map_io(void)
 {
        rk2928_map_common_io();
@@ -135,7 +143,7 @@ void __init rk2928_map_io(void)
        rk29_sram_init();
        board_clock_init();
        rk2928_l2_cache_init();
-       ddr_init(DDR_TYPE, DDR_FREQ);
+       ddr_init(DDR_TYPE, ddr_freq);
 //     clk_disable_unused();
        rk2928_iomux_init();
        rk2928_boot_mode_init();