Unified codebase for TX28, TX48, TX51, TX53

[karo-tx-uboot.git] / board / samsung / universal_c210 / universal.c

diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c
index d0ff8341f648f3496cc14927338d0349ec134634..90fff5cf5e181af64cfd56b53937d64daac916bd 100644 (file)
--- a/board/samsung/universal_c210/universal.c
+++ b/board/samsung/universal_c210/universal.c
@@ -58,13 +58,13 @@ int board_init(void)
        gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210;
        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 
-       check_hw_revision();
-       printf("HW Revision:\t0x%x\n", board_rev);
-
 #if defined(CONFIG_PMIC)
        pmic_init();
 #endif
 
+       check_hw_revision();
+       printf("HW Revision:\t0x%x\n", board_rev);
+
        return 0;
 }
 
@@ -109,10 +109,27 @@ static unsigned short get_adc_value(int channel)
        return ret;
 }
 
+static int adc_power_control(int on)
+{
+       int ret;
+       struct pmic *p = get_pmic();
+
+       if (pmic_probe(p))
+               return -1;
+
+       ret = pmic_set_output(p,
+                             MAX8998_REG_ONOFF1,
+                             MAX8998_LDO4, !!on);
+
+       return ret;
+}
+
 static unsigned int get_hw_revision(void)
 {
        int hwrev, mode0, mode1;
 
+       adc_power_control(1);
+
        mode0 = get_adc_value(1);               /* HWREV_MODE0 */
        mode1 = get_adc_value(2);               /* HWREV_MODE1 */
 
@@ -135,6 +152,8 @@ static unsigned int get_hw_revision(void)
 
        debug("mode0: %d, mode1: %d, hwrev 0x%x\n", mode0, mode1, hwrev);
 
+       adc_power_control(0);
+
        return hwrev;
 }