2012-12-11 13:34:18 +00:00
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/*
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2013-03-06 23:16:22 +00:00
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* (C) Copyright 2010-2013
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2012-12-11 13:34:18 +00:00
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* NVIDIA Corporation <www.nvidia.com>
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*
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2013-07-08 07:37:19 +00:00
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* SPDX-License-Identifier: GPL-2.0+
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2012-12-11 13:34:18 +00:00
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*/
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#include <common.h>
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2014-12-10 15:55:57 +00:00
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#include <dm.h>
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2012-12-11 13:34:18 +00:00
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#include <asm/arch/pinmux.h>
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2013-03-06 23:16:22 +00:00
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#include <asm/arch/gp_padctrl.h>
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2014-12-10 05:25:17 +00:00
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#include <asm/arch/gpio.h>
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#include <asm/gpio.h>
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2012-12-11 13:34:18 +00:00
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#include "pinmux-config-cardhu.h"
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2013-02-26 19:26:55 +00:00
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#include <i2c.h>
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2014-12-10 05:25:17 +00:00
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#include <netdev.h>
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2013-02-26 19:26:55 +00:00
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#define PMU_I2C_ADDRESS 0x2D
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#define MAX_I2C_RETRY 3
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2012-12-11 13:34:18 +00:00
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/*
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* Routine: pinmux_init
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* Description: Do individual peripheral pinmux configs
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*/
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void pinmux_init(void)
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{
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2014-03-21 18:28:56 +00:00
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pinmux_config_pingrp_table(tegra3_pinmux_common,
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2012-12-11 13:34:18 +00:00
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ARRAY_SIZE(tegra3_pinmux_common));
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2014-03-21 18:28:56 +00:00
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pinmux_config_pingrp_table(unused_pins_lowpower,
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2012-12-11 13:34:18 +00:00
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ARRAY_SIZE(unused_pins_lowpower));
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2013-03-06 23:16:22 +00:00
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/* Initialize any non-default pad configs (APB_MISC_GP regs) */
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2014-03-21 18:28:56 +00:00
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pinmux_config_drvgrp_table(cardhu_padctrl, ARRAY_SIZE(cardhu_padctrl));
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2012-12-11 13:34:18 +00:00
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}
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2013-02-26 19:26:55 +00:00
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#if defined(CONFIG_TEGRA_MMC)
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/*
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* Do I2C/PMU writes to bring up SD card bus power
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*
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*/
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void board_sdmmc_voltage_init(void)
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{
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2014-12-10 15:55:57 +00:00
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struct udevice *dev;
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2013-02-26 19:26:55 +00:00
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uchar reg, data_buffer[1];
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2014-12-10 15:55:57 +00:00
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int ret;
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2013-02-26 19:26:55 +00:00
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int i;
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2014-12-10 15:55:57 +00:00
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ret = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, &dev);
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if (ret) {
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debug("%s: Cannot find PMIC I2C chip\n", __func__);
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return;
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}
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2013-02-26 19:26:55 +00:00
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/* TPS659110: LDO5_REG = 3.3v, ACTIVE to SDMMC1 */
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data_buffer[0] = 0x65;
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reg = 0x32;
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for (i = 0; i < MAX_I2C_RETRY; ++i) {
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2014-12-10 15:55:57 +00:00
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if (i2c_write(dev, reg, data_buffer, 1))
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2013-02-26 19:26:55 +00:00
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udelay(100);
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}
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/* TPS659110: GPIO7_REG = PDEN, output a 1 to EN_3V3_SYS */
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data_buffer[0] = 0x09;
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reg = 0x67;
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for (i = 0; i < MAX_I2C_RETRY; ++i) {
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2014-12-10 15:55:57 +00:00
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if (i2c_write(dev, reg, data_buffer, 1))
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2013-02-26 19:26:55 +00:00
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udelay(100);
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}
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}
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/*
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* Routine: pin_mux_mmc
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* Description: setup the MMC muxes, power rails, etc.
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*/
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void pin_mux_mmc(void)
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{
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/*
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* NOTE: We don't do mmc-specific pin muxes here.
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* They were done globally in pinmux_init().
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*/
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/* Bring up the SDIO1 power rail */
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board_sdmmc_voltage_init();
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}
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#endif /* MMC */
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2014-12-10 05:25:17 +00:00
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#ifdef CONFIG_PCI_TEGRA
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int tegra_pcie_board_init(void)
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{
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struct udevice *dev;
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u8 addr, data[1];
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int err;
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err = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, &dev);
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if (err) {
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debug("failed to find PMU bus\n");
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return err;
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}
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/* TPS659110: LDO1_REG = 1.05V, ACTIVE */
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data[0] = 0x15;
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addr = 0x30;
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err = i2c_write(dev, addr, data, 1);
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if (err) {
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debug("failed to set VDD supply\n");
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return err;
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}
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/* GPIO: PEX = 3.3V */
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err = gpio_request(GPIO_PL7, "PEX");
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if (err < 0)
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return err;
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gpio_direction_output(GPIO_PL7, 1);
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/* TPS659110: LDO2_REG = 1.05V, ACTIVE */
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data[0] = 0x15;
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addr = 0x31;
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err = i2c_write(dev, addr, data, 1);
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if (err) {
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debug("failed to set AVDD supply\n");
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return err;
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}
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return 0;
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}
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int board_eth_init(bd_t *bis)
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{
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return pci_eth_init(bis);
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}
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#endif /* PCI */
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