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-rw-r--r--board/nvidia/p2371-2180/p2371-2180.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/board/nvidia/p2371-2180/p2371-2180.c b/board/nvidia/p2371-2180/p2371-2180.c
index cf2dd0b14f..57f577d85d 100644
--- a/board/nvidia/p2371-2180/p2371-2180.c
+++ b/board/nvidia/p2371-2180/p2371-2180.c
@@ -6,6 +6,7 @@
*/
#include <common.h>
+#include <netdev.h>
#include <i2c.h>
#include <asm/arch/gpio.h>
#include <asm/arch/pinmux.h>
@@ -49,3 +50,32 @@ void pinmux_init(void)
pinmux_config_drvgrp_table(p2371_2180_drvgrps,
ARRAY_SIZE(p2371_2180_drvgrps));
}
+
+#ifdef CONFIG_PCI_TEGRA
+int tegra_pcie_board_init(void)
+{
+ struct udevice *dev;
+ uchar val;
+ int ret;
+
+ /* Turn on MAX77620 LDO1 to 1.05V for PEX power */
+ debug("%s: Set LDO1 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;
+ }
+ /* 0xCA for 1.05v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
+ val = 0xCA;
+ ret = dm_i2c_write(dev, MAX77620_CNFG1_L1_REG, &val, 1);
+ if (ret)
+ printf("i2c_write 0 0x3c 0x25 failed: %d\n", ret);
+
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ return pci_eth_init(bis);
+}
+#endif /* PCI */
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