mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-08 22:24:32 +00:00
c05ed00afb
Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
132 lines
2.6 KiB
C
132 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2010-2013
|
|
* NVIDIA Corporation <www.nvidia.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <log.h>
|
|
#include <asm/arch/pinmux.h>
|
|
#include <asm/arch/gp_padctrl.h>
|
|
#include <asm/arch/gpio.h>
|
|
#include <asm/gpio.h>
|
|
#include <linux/delay.h>
|
|
#include "pinmux-config-cardhu.h"
|
|
#include <i2c.h>
|
|
|
|
#define PMU_I2C_ADDRESS 0x2D
|
|
#define MAX_I2C_RETRY 3
|
|
|
|
/*
|
|
* Routine: pinmux_init
|
|
* Description: Do individual peripheral pinmux configs
|
|
*/
|
|
void pinmux_init(void)
|
|
{
|
|
pinmux_config_pingrp_table(tegra3_pinmux_common,
|
|
ARRAY_SIZE(tegra3_pinmux_common));
|
|
|
|
pinmux_config_pingrp_table(unused_pins_lowpower,
|
|
ARRAY_SIZE(unused_pins_lowpower));
|
|
|
|
/* 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;
|
|
}
|
|
#endif /* PCI */
|