From: Eric Miao <eric.m...@canonical.com>
A quick support for mx53 QuickStart board with MC34708.
Signed-off-by: Eric Miao <eric.m...@linaro.org>
---
board/freescale/mx53loco/mx53loco.c | 57 +++++++++++++++++++++++++++--------
include/configs/mx53loco.h | 3 +-
2 files changed, 46 insertions(+), 14 deletions(-)
diff --git a/board/freescale/mx53loco/mx53loco.c
b/board/freescale/mx53loco/mx53loco.c
index 158ec32..82048e6 100644
--- a/board/freescale/mx53loco/mx53loco.c
+++ b/board/freescale/mx53loco/mx53loco.c
@@ -353,21 +353,48 @@ static void clock_init(void)
printf("CPU: Switch DDR clock to 1GHZ failed\n");
}
+static int pmic_mc34708 = 0;
+
static void power_init(void)
{
unsigned int val;
-
- /* Set VDDA to 1.25V */
- val = DA9052_BUCKCORE_BCOREEN;
- val |= DA_BUCKCORE_VBCORE_1_250V;
- pmic_reg_write(DA9053_BUCKCORE_REG, val);
- val = pmic_reg_read(DA9053_SUPPLY_REG);
- val |= DA9052_SUPPLY_VBCOREGO;
- pmic_reg_write(DA9053_SUPPLY_REG, val);
-
- /* Set Vcc peripheral to 1.35V */
- pmic_reg_write(0x2f, 0x62);
- pmic_reg_write(0x3c, 0x62);
+ unsigned char buf[4] = { 0, 0, 0, 0 };
+
+ if (i2c_probe(0x08) == 0)
+ pmic_mc34708 = 1;
+
+ if (pmic_mc34708) {
+ i2c_read(0x8, 24, 1, &buf[0], 3);
+
+ /* increase VDDGP as 1.25V for 1GHZ on SW1 */
+ buf[2] = 0x30;
+ i2c_write(0x8, 24, 1, buf, 3);
+
+ i2c_read(0x8, 25, 1, &buf[0], 3);
+
+ /* increase VCC as 1.3V on SW2 */
+ buf[2] = 0x34;
+ i2c_write(0x8, 25, 1, buf, 3);
+
+ /*change global reset time as 4s*/
+ i2c_read(0x8, 15, 1, &buf[0], 3);
+
+ buf[1] |= 0x1;
+ buf[1] &= ~0x2;
+ i2c_write(0x8, 15, 1, buf, 3);
+ } else {
+ /* Set VDDA to 1.25V */
+ val = DA9052_BUCKCORE_BCOREEN;
+ val |= DA_BUCKCORE_VBCORE_1_250V;
+ pmic_reg_write(DA9053_BUCKCORE_REG, val);
+ val = pmic_reg_read(DA9053_SUPPLY_REG);
+ val |= DA9052_SUPPLY_VBCOREGO;
+ pmic_reg_write(DA9053_SUPPLY_REG, val);
+
+ /* Set Vcc peripheral to 1.35V */
+ pmic_reg_write(0x2f, 0x62);
+ pmic_reg_write(0x3c, 0x62);
+ }
}
int board_early_init_f(void)
@@ -393,7 +420,11 @@ int board_init(void)
int checkboard(void)
{
- puts("Board: MX53 LOCO\n");
+ puts("Board: MX53 LOCO");
+
+ if (pmic_mc34708)
+ puts(" with MC34708");
+ puts("\n");
return 0;
}
diff --git a/include/configs/mx53loco.h b/include/configs/mx53loco.h
index 644c853..04d2ee3 100644
--- a/include/configs/mx53loco.h
+++ b/include/configs/mx53loco.h
@@ -56,7 +56,8 @@
/* PMIC Configs */
#define CONFIG_DIALOG_PMIC
-#define CONFIG_SYS_DIALOG_PMIC_I2C_ADDR 0x48
+#define CONFIG_SYS_DIALOG_PMIC_I2C_ADDR 0x48
+#define CONFIG_SYS_MC34708_I2C_ADDR 0x08
/* MMC Configs */
#define CONFIG_FSL_ESDHC
--
1.7.4.1
_______________________________________________
linaro-dev mailing list
linaro-dev@lists.linaro.org
http://lists.linaro.org/mailman/listinfo/linaro-dev
