s5pc1xx: aquila: work around for rev 0.4 (rev 0.3 + CP ES3.1)

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

diff --git a/board/samsung/universal/universal.c b/board/samsung/universal/universal.c
index 94491c1..d8582eb 100644 (file)
--- a/board/samsung/universal/universal.c
+++ b/board/samsung/universal/universal.c
@@ -289,8 +289,14 @@ static unsigned int get_hw_revision(struct s5pc1xx_gpio_bank *bank)
         * Workaround for Rev 0.3 + CP Ver ES 3.1
         * it's Rev 0.4
         */
-       if (rev == 0)
-               rev = 0x4;
+       if (rev == 0) {
+               udelay(2000);
+
+               if (gpio_get_value(bank, 2) &&
+                       gpio_get_value(bank, 3) &&
+                       gpio_get_value(bank, 4))
+                       rev = 0x4;
+       }
 
        return rev;
 }