+
+ /* Initialize any non-default pad configs (APB_MISC_GP regs) */
+ pinmux_config_drvgrp_table(cardhu_padctrl, ARRAY_SIZE(cardhu_padctrl));
+}
+
+#if defined(CONFIG_MMC_SDHCI_TEGRA)
+/*
+ * Do I2C/PMU writes to bring up SD card bus power
+ *
+ */
+void board_sdmmc_voltage_init(void)
+{
+ struct udevice *dev;
+ uchar reg, data_buffer[1];
+ int ret;
+ int i;
+
+ ret = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, 1, &dev);
+ if (ret) {
+ debug("%s: Cannot find PMIC I2C chip\n", __func__);
+ return;
+ }
+
+ /* TPS659110: LDO5_REG = 3.3v, ACTIVE to SDMMC1 */
+ data_buffer[0] = 0x65;
+ reg = 0x32;
+
+ for (i = 0; i < MAX_I2C_RETRY; ++i) {
+ if (dm_i2c_write(dev, reg, data_buffer, 1))
+ udelay(100);
+ }
+
+ /* TPS659110: GPIO7_REG = PDEN, output a 1 to EN_3V3_SYS */
+ data_buffer[0] = 0x09;
+ reg = 0x67;
+
+ for (i = 0; i < MAX_I2C_RETRY; ++i) {
+ if (dm_i2c_write(dev, reg, data_buffer, 1))
+ udelay(100);
+ }
+}
+
+/*
+ * Routine: pin_mux_mmc
+ * Description: setup the MMC muxes, power rails, etc.
+ */
+void pin_mux_mmc(void)
+{
+ /*
+ * NOTE: We don't do mmc-specific pin muxes here.
+ * They were done globally in pinmux_init().
+ */
+
+ /* Bring up the SDIO1 power rail */
+ board_sdmmc_voltage_init();
+}
+#endif /* MMC */
+
+#ifdef CONFIG_PCI_TEGRA
+int tegra_pcie_board_init(void)
+{
+ struct udevice *dev;
+ u8 addr, data[1];
+ int err;
+
+ err = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, 1, &dev);
+ if (err) {
+ debug("failed to find PMU bus\n");
+ return err;
+ }
+
+ /* TPS659110: LDO1_REG = 1.05V, ACTIVE */
+ data[0] = 0x15;
+ addr = 0x30;
+
+ err = dm_i2c_write(dev, addr, data, 1);
+ if (err) {
+ debug("failed to set VDD supply\n");
+ return err;
+ }
+
+ /* GPIO: PEX = 3.3V */
+ err = gpio_request(TEGRA_GPIO(L, 7), "PEX");
+ if (err < 0)
+ return err;
+
+ gpio_direction_output(TEGRA_GPIO(L, 7), 1);
+
+ /* TPS659110: LDO2_REG = 1.05V, ACTIVE */
+ data[0] = 0x15;
+ addr = 0x31;
+
+ err = dm_i2c_write(dev, addr, data, 1);
+ if (err) {
+ debug("failed to set AVDD supply\n");
+ return err;
+ }
+
+ return 0;