3 files changed, 63 insertions, 2 deletions
diff --git a/board/nvidia/p2771-0000/p2771-0000.c b/board/nvidia/p2771-0000/p2771-0000.c
index 4ba8ebc..529ed9d 100644
--- a/board/nvidia/p2771-0000/p2771-0000.c
+++ b/board/nvidia/p2771-0000/p2771-0000.c
@@ -5,3 +5,51 @@
  */
 
 #include <common.h>
+#include <i2c.h>
+#include "../p2571/max77620_init.h"
+
+int tegra_board_init(void)
+{
+	struct udevice *dev;
+	uchar val;
+	int ret;
+
+	/* Turn on MAX77620 LDO3 to 3.3V for SD card power */
+	debug("%s: Set LDO3 for VDDIO_SDMMC_AP power to 3.3V\n", __func__);
+	ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
+	if (ret) {
+		printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
+		return ret;
+	}
+	/* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
+	val = 0xF2;
+	ret = dm_i2c_write(dev, MAX77620_CNFG1_L3_REG, &val, 1);
+	if (ret) {
+		printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+int tegra_pcie_board_init(void)
+{
+	struct udevice *dev;
+	uchar val;
+	int ret;
+
+	/* Turn on MAX77620 LDO7 to 1.05V for PEX power */
+	debug("%s: Set LDO7 for PEX power to 1.05V\n", __func__);
+	ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
+	if (ret) {
+		printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
+		return -1;
+	}
+	/* 0xC5 for 1.05v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
+	val = 0xC5;
+	ret = dm_i2c_write(dev, MAX77620_CNFG1_L7_REG, &val, 1);
+	if (ret)
+		printf("i2c_write 0 0x3c 0x31 failed: %d\n", ret);
+
+	return 0;
+}
diff --git a/board/nvidia/venice2/as3722_init.c b/board/nvidia/venice2/as3722_init.c
index 960fea7..1770ec2 100644
--- a/board/nvidia/venice2/as3722_init.c
+++ b/board/nvidia/venice2/as3722_init.c
@@ -32,7 +32,18 @@ void pmic_enable_cpu_vdd(void)
 {
 	debug("%s entry\n", __func__);
 
-	/* Don't need to set up VDD_CORE - already done - by OTP */
+#ifdef AS3722_SD1VOLTAGE_DATA
+	/* Set up VDD_CORE, for boards where OTP is incorrect*/
+	debug("%s: Setting VDD_CORE via AS3722 reg 1\n", __func__);
+	/* Configure VDD_CORE via the AS3722 PMIC on the PWR I2C bus */
+	tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2);
+	tegra_i2c_ll_write_data(AS3722_SD1VOLTAGE_DATA, I2C_SEND_2_BYTES);
+	/*
+	 * Don't write SDCONTROL - it's already 0x7F, i.e. all SDs enabled.
+	 * tegra_i2c_ll_write_data(AS3722_SD1CONTROL_DATA, I2C_SEND_2_BYTES);
+	 */
+	udelay(10 * 1000);
+#endif
 
 	debug("%s: Setting VDD_CPU to 1.0V via AS3722 reg 0/4D\n", __func__);
 	/*
diff --git a/board/nvidia/venice2/as3722_init.h b/board/nvidia/venice2/as3722_init.h
index 992b11f..c6b1247 100644
--- a/board/nvidia/venice2/as3722_init.h
+++ b/board/nvidia/venice2/as3722_init.h
@@ -25,8 +25,10 @@
 #endif
 #define AS3722_SD0CONTROL_DATA	(0x0100 | AS3722_SDCONTROL_REG)
 
-#define AS3722_SD1VOLTAGE_DATA	(0x3200 | AS3722_SD1VOLTAGE_REG)
+#ifdef CONFIG_TARGET_JETSON_TK1
+#define AS3722_SD1VOLTAGE_DATA	(0x2800 | AS3722_SD1VOLTAGE_REG)
 #define AS3722_SD1CONTROL_DATA	(0x0200 | AS3722_SDCONTROL_REG)
+#endif
 
 #define AS3722_SD6CONTROL_DATA	(0x4000 | AS3722_SDCONTROL_REG)
 #define AS3722_SD6VOLTAGE_DATA	(0x2800 | AS3722_SD6VOLTAGE_REG)