s5pc210: universal: Add MMC comments for eMMC booting board

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c
index ce9f6ed..18972f4 100644 (file)
--- a/board/samsung/universal_c210/universal.c
+++ b/board/samsung/universal_c210/universal.c
@@ -617,7 +617,8 @@ int usb_board_init(void)
 }
 #endif
 
-void mmc_clk_set()
+#ifdef CONFIG_GENERIC_MMC
+static void mmc_clk_set(void)
 {
        struct s5pc210_clock *clk =
                (struct s5pc210_clock *)samsung_get_base_clock();
@@ -629,7 +630,6 @@ void mmc_clk_set()
        writel(cfg, &clk->div_fsys1);
 }
 
-#ifdef CONFIG_GENERIC_MMC
 int s5p_no_mmc_support(void)
 {
        return 0;
@@ -639,7 +639,11 @@ int board_mmc_init(bd_t *bis)
 {
        int i;
 
-       /* Workaround: set the low to enable LDO_EN */
+       /*
+        * Set the low to enable LDO_EN
+        * But when you use the test board for eMMC booting
+        * you should set it HIGH since it removes the inverter
+        */
        /* MASSMEMORY_EN: XMDMDATA_6: GPE3[6] */
        gpio_direction_output(&gpio1->gpio_e3, 6, 0);