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Diffstat (limited to 'board/asus/transformer-t30/transformer-t30.c')
| -rw-r--r-- | board/asus/transformer-t30/transformer-t30.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/board/asus/transformer-t30/transformer-t30.c b/board/asus/transformer-t30/transformer-t30.c new file mode 100644 index 0000000..b6fd19d --- /dev/null +++ b/board/asus/transformer-t30/transformer-t30.c @@ -0,0 +1,201 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2010-2013 + * NVIDIA Corporation <www.nvidia.com> + * + * (C) Copyright 2021 + * Svyatoslav Ryhel <clamor95@gmail.com> + */ + +/* T30 Transformers derive from Cardhu board */ + +#include <common.h> +#include <dm.h> +#include <env.h> +#include <fdt_support.h> +#include <i2c.h> +#include <log.h> +#include <asm/arch/pinmux.h> +#include <asm/arch/gp_padctrl.h> +#include <asm/arch/gpio.h> +#include <asm/arch-tegra/fuse.h> +#include <asm/gpio.h> +#include <linux/delay.h> +#include "pinmux-config-transformer.h" + +#define TPS65911_I2C_ADDRESS 0x2D + +#define TPS65911_VDD1 0x21 +#define TPS65911_VDD1_OP 0x22 +#define TPS65911_LDO1 0x30 +#define TPS65911_LDO2 0x31 +#define TPS65911_LDO3 0x37 +#define TPS65911_LDO5 0x32 +#define TPS65911_LDO6 0x35 + +#define TPS65911_GPIO0 0x60 +#define TPS65911_GPIO6 0x66 +#define TPS65911_GPIO7 0x67 +#define TPS65911_GPIO8 0x68 + +#define TPS65911_DEVCTRL 0x3F +#define DEVCTRL_PWR_OFF_MASK BIT(7) +#define DEVCTRL_DEV_ON_MASK BIT(2) +#define DEVCTRL_DEV_OFF_MASK BIT(0) + +#ifdef CONFIG_CMD_POWEROFF +int do_poweroff(struct cmd_tbl *cmdtp, int flag, + int argc, char *const argv[]) +{ + struct udevice *dev; + uchar data_buffer[1]; + int ret; + + ret = i2c_get_chip_for_busnum(0, TPS65911_I2C_ADDRESS, 1, &dev); + if (ret) { + log_debug("cannot find PMIC I2C chip\n"); + return 0; + } + + ret = dm_i2c_read(dev, TPS65911_DEVCTRL, data_buffer, 1); + if (ret) + return ret; + + data_buffer[0] |= DEVCTRL_PWR_OFF_MASK; + + ret = dm_i2c_write(dev, TPS65911_DEVCTRL, data_buffer, 1); + if (ret) + return ret; + + data_buffer[0] |= DEVCTRL_DEV_OFF_MASK; + data_buffer[0] &= ~DEVCTRL_DEV_ON_MASK; + + ret = dm_i2c_write(dev, TPS65911_DEVCTRL, data_buffer, 1); + if (ret) + return ret; + + // wait some time and then print error + mdelay(5000); + printf("Failed to power off!!!\n"); + return 1; +} +#endif + +/* + * Routine: pinmux_init + * Description: Do individual peripheral pinmux configs + */ +void pinmux_init(void) +{ + pinmux_config_pingrp_table(transformer_pinmux_common, + ARRAY_SIZE(transformer_pinmux_common)); + + pinmux_config_drvgrp_table(transformer_padctrl, + ARRAY_SIZE(transformer_padctrl)); + + if (of_machine_is_compatible("asus,tf700t")) { + pinmux_config_pingrp_table(tf700t_mipi_pinmux, + ARRAY_SIZE(tf700t_mipi_pinmux)); + } +} + +#ifdef CONFIG_MMC_SDHCI_TEGRA +static void tps65911_voltage_init(void) +{ + struct udevice *dev; + int ret; + + ret = i2c_get_chip_for_busnum(0, TPS65911_I2C_ADDRESS, 1, &dev); + if (ret) { + log_debug("cannot find PMIC I2C chip\n"); + return; + } + + /* TPS659110: LDO1_REG = 3.3v, ACTIVE to SDMMC4 */ + ret = dm_i2c_reg_write(dev, TPS65911_LDO1, 0xc9); + if (ret) + log_debug("vcore_emmc set failed: %d\n", ret); + + if (of_machine_is_compatible("asus,tf600t")) { + /* TPS659110: VDD1_REG = 1.2v, ACTIVE to backlight */ + ret = dm_i2c_reg_write(dev, TPS65911_VDD1_OP, 0x33); + if (ret) + log_debug("vdd_bl set failed: %d\n", ret); + + ret = dm_i2c_reg_write(dev, TPS65911_VDD1, 0x0d); + if (ret) + log_debug("vdd_bl enable failed: %d\n", ret); + + /* TPS659110: LDO5_REG = 3.3v, ACTIVE to SDMMC1 VIO */ + ret = dm_i2c_reg_write(dev, TPS65911_LDO5, 0x65); + if (ret) + log_debug("vdd_usd set failed: %d\n", ret); + + /* TPS659110: LDO6_REG = 1.2v, ACTIVE to MIPI */ + ret = dm_i2c_reg_write(dev, TPS65911_LDO6, 0x11); + if (ret) + log_debug("vdd_mipi set failed: %d\n", ret); + } else { + /* TPS659110: LDO2_REG = 3.1v, ACTIVE to SDMMC1 */ + ret = dm_i2c_reg_write(dev, TPS65911_LDO2, 0xb9); + if (ret) + log_debug("vdd_usd set failed: %d\n", ret); + + /* TPS659110: LDO3_REG = 3.1v, ACTIVE to SDMMC1 VIO */ + ret = dm_i2c_reg_write(dev, TPS65911_LDO3, 0x5d); + if (ret) + log_debug("vddio_usd set failed: %d\n", ret); + } + + /* TPS659110: GPIO0_REG output high to VDD_5V0_SBY */ + ret = dm_i2c_reg_write(dev, TPS65911_GPIO0, 0x07); + if (ret) + log_debug("vdd_5v0_sby set failed: %d\n", ret); + + /* TPS659110: GPIO6_REG output high to VDD_3V3_SYS */ + ret = dm_i2c_reg_write(dev, TPS65911_GPIO6, 0x07); + if (ret) + log_debug("vdd_3v3_sys set failed: %d\n", ret); + + /* TPS659110: GPIO7_REG output high to VDD_1V5_DDR */ + ret = dm_i2c_reg_write(dev, TPS65911_GPIO7, 0x07); + if (ret) + log_debug("vdd_1v5_ddr set failed: %d\n", ret); + + /* TPS659110: GPIO8_REG pull_down output high to VDD_5V0_SYS */ + ret = dm_i2c_reg_write(dev, TPS65911_GPIO8, 0x0f); + if (ret) + log_debug("vdd_5v0_sys set failed: %d\n", ret); +} + +/* + * Routine: pin_mux_mmc + * Description: setup the MMC muxes, power rails, etc. + */ +void pin_mux_mmc(void) +{ + /* Bring up uSD and eMMC power */ + tps65911_voltage_init(); +} +#endif /* MMC */ + +#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) +int ft_board_setup(void *blob, struct bd_info *bd) +{ + /* Remove TrustZone nodes */ + fdt_del_node_and_alias(blob, "/firmware"); + fdt_del_node_and_alias(blob, "/reserved-memory/trustzone@bfe00000"); + + return 0; +} +#endif + +void nvidia_board_late_init(void) +{ + char serialno_str[17]; + + /* Set chip id as serialno */ + sprintf(serialno_str, "%016llx", tegra_chip_uid()); + env_set("serial#", serialno_str); + env_set("platform", "Tegra 3 T30"); +} |