These powerrails are currently needed for kernel boot. This will be move to a pmic-specific driver (or even better moved to the kernel) at a later date.
Signed-off-by: Tom Warren twarren@nvidia.com Change-Id: Id1654e6338b11cb22715fa3caba644cfe6e2410b --- arch/arm/include/asm/arch-tegra/board.h | 3 + board/nvidia/common/board.c | 4 + board/nvidia/dalmore/dalmore.c | 154 +++++++++++++++++++++++++++----- include/configs/dalmore.h | 3 + 4 files changed, 140 insertions(+), 24 deletions(-)
diff --git a/arch/arm/include/asm/arch-tegra/board.h b/arch/arm/include/asm/arch-tegra/board.h index 0e69864..b148b25 100644 --- a/arch/arm/include/asm/arch-tegra/board.h +++ b/arch/arm/include/asm/arch-tegra/board.h @@ -29,4 +29,7 @@ void pin_mux_spi(void); /* overrideable SPI pinmux setup */ void pin_mux_nand(void); /* overrideable NAND pinmux setup */ void pin_mux_display(void); /* overrideable DISPLAY pinmux setup */
+/* Enable needed power rails */ +void board_vreg_init(void); + #endif diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c index 126e56e..c479958 100644 --- a/board/nvidia/common/board.c +++ b/board/nvidia/common/board.c @@ -151,6 +151,10 @@ int board_init(void) # endif /* CONFIG_TEGRA_PMU */ #endif /* CONFIG_SYS_I2C_TEGRA */
+#ifdef CONFIG_TEGRA114 + /* Enable needed power rails. TBD: Move to kernel or driver init. */ + board_vreg_init(); +#endif #ifdef CONFIG_USB_EHCI_TEGRA pin_mux_usb(); board_usb_init(gd->fdt_blob); diff --git a/board/nvidia/dalmore/dalmore.c b/board/nvidia/dalmore/dalmore.c index 2c23a29..27f9ab2 100644 --- a/board/nvidia/dalmore/dalmore.c +++ b/board/nvidia/dalmore/dalmore.c @@ -15,8 +15,10 @@ */
#include <common.h> -#include <asm/arch/pinmux.h> +#include <asm-generic/gpio.h> +#include <asm/arch/gpio.h> #include <asm/arch/gp_padctrl.h> +#include <asm/arch/pinmux.h> #include "pinmux-config-dalmore.h" #include <i2c.h>
@@ -42,6 +44,20 @@ void pinmux_init(void) padgrp_config_table(dalmore_padctrl, ARRAY_SIZE(dalmore_padctrl)); }
+/* Writes val to reg @ chip address pmu */ +void i2c_write_pmic(uchar pmu, uchar reg, uchar val) +{ + uchar data_buffer[1]; + int ret; + + data_buffer[0] = val; + + ret = i2c_write(pmu, reg, 1, data_buffer, 1); + if (ret) + printf("%s: PMU i2c_write %02X<-%02X returned %d\n", + __func__, reg, data_buffer[0], ret); +} + #if defined(CONFIG_TEGRA_MMC) /* * Do I2C/PMU writes to bring up SD card bus power @@ -49,39 +65,129 @@ void pinmux_init(void) */ void board_sdmmc_voltage_init(void) { - uchar reg, data_buffer[1]; - int ret; - - ret = i2c_set_bus_num(0);/* PMU is on bus 0 */ + int ret = i2c_set_bus_num(0); /* PMU is on bus 0 */ if (ret) printf("%s: i2c_set_bus_num returned %d\n", __func__, ret);
/* TPS65913: LDO9_VOLTAGE = 3.3V */ - data_buffer[0] = 0x31; - reg = 0x61; - - ret = i2c_write(PMU_I2C_ADDRESS, reg, 1, data_buffer, 1); - if (ret) - printf("%s: PMU i2c_write %02X<-%02X returned %d\n", - __func__, reg, data_buffer[0], ret); + i2c_write_pmic(PMU_I2C_ADDRESS, 0x61, 0x31);
/* TPS65913: LDO9_CTRL = Active */ - data_buffer[0] = 0x01; - reg = 0x60; - - ret = i2c_write(PMU_I2C_ADDRESS, reg, 1, data_buffer, 1); - if (ret) - printf("%s: PMU i2c_write %02X<-%02X returned %d\n", - __func__, reg, data_buffer[0], ret); + i2c_write_pmic(PMU_I2C_ADDRESS, 0x60, 0x01);
/* TPS65090: FET6_CTRL = enable output auto discharge, enable FET6 */ - data_buffer[0] = 0x03; - reg = 0x14; + i2c_write_pmic(PMU_I2C_ADDRESS, 0x14, 0x03); +}
- ret = i2c_write(BAT_I2C_ADDRESS, reg, 1, data_buffer, 1); +void board_vreg_init(void) +{ + int ret = i2c_set_bus_num(0); /* PMU is on bus 0 */ if (ret) - printf("%s: BAT i2c_write %02X<-%02X returned %d\n", - __func__, reg, data_buffer[0], ret); + printf("%s: i2c_set_bus_num returned %d\n", __func__, ret); + + /* + * Enable USB voltage: AVDD_USB_HDMI for AVDD_USB_AP + * and AVDD_HDMI_AP + * LDOUSB_VOLTAGE = 3.3v + * LDOUSB_CTRL = Active + */ + i2c_write_pmic(PMU_I2C_ADDRESS, 0x65, 0x31); + i2c_write_pmic(PMU_I2C_ADDRESS, 0x64, 0x01); + + /* + * Enable HVDD_USB3 voltage: HVDD_USB3_AP + * LDOLN_VOLTAGE = 3.3v + * LDOLN_CTRL = Active + */ + i2c_write_pmic(PMU_I2C_ADDRESS, 0x63, 0x31); + i2c_write_pmic(PMU_I2C_ADDRESS, 0x62, 0x01); + + /* + * Enable additional VDD_1V1_CORE + * + * SMPS7_CTRL: enable active: auto + * + * VDD_CORE is provided by SMPS4_SW, 5 and 7 where + * 4 and 5 are enabled after power on. + */ + i2c_write_pmic(PMU_I2C_ADDRESS, 0x30, 0x05); + + /* + * Set and enable AVDD_2V8_CAM1 + * LDO1_VOLTAGE = 2.8v + * LDO1_CTRL = Active + */ + i2c_write_pmic(PMU_I2C_ADDRESS, 0x51, 0x27); + i2c_write_pmic(PMU_I2C_ADDRESS, 0x50, 0x01); + + /* + * Set and enable AVDD_2V8_CAM2 + * LDO2_VOLTAGE = 2.8v + * LDO2_CTRL = Active + */ + i2c_write_pmic(PMU_I2C_ADDRESS, 0x53, 0x27); + i2c_write_pmic(PMU_I2C_ADDRESS, 0x52, 0x01); + + /* + * Set and enable AVDD_1V2 for VDDIO_HSIC_AP and AVDD_DSI_CSI_AP + * LDO3_VOLTAGE = 1.2v + * LDO3_CTRL = Active + */ + i2c_write_pmic(PMU_I2C_ADDRESS, 0x55, 0x07); + i2c_write_pmic(PMU_I2C_ADDRESS, 0x54, 0x01); + + /* + * Set and enable VPP_FUSE_APP + * LDO4_VOLTAGE = 1.8v + * LDO4_CTRL = Active + */ + i2c_write_pmic(PMU_I2C_ADDRESS, 0x57, 0x13); + i2c_write_pmic(PMU_I2C_ADDRESS, 0x56, 0x01); + + /* + * Set and enable VDD_1V2_LCD + * LDO5_VOLTAGE = 1.2v (TPS65913) + * LDO5_CTRL = Active + * + * Enable VDD_LCD_BL + * VOUT1 (FET1) (TPS65090): auto discharge and enable + * + * Enable AVDD_LCD + * VOUT4 (FET4) (TPS65090): auto discharge and enable + * + * Enable VDD_LVDS + * VOUT5 (FET5) (TPS65090): auto discharge and enable + */ + i2c_write_pmic(PMU_I2C_ADDRESS, 0x59, 0x07); /* LDO5_VOLTAGE */ + i2c_write_pmic(PMU_I2C_ADDRESS, 0x58, 0x01); /* LD05_CTRL */ + i2c_write_pmic(BAT_I2C_ADDRESS, 0x0F, 0x03); /* VOUT1 (FET1) */ + i2c_write_pmic(BAT_I2C_ADDRESS, 0x12, 0x03); /* VOUT4 (FET4) */ + i2c_write_pmic(BAT_I2C_ADDRESS, 0x13, 0x03); /* VOUT5 (FET5) */ + + /* + * Set and enable VDD_SENSOR + * LDO6_VOLTAGE = 2.85v + * LDO6_CTRL = Active + */ + i2c_write_pmic(PMU_I2C_ADDRESS, 0x5B, 0x28); + i2c_write_pmic(PMU_I2C_ADDRESS, 0x5A, 0x01); + + /* + * Set and enable AVDD_2V8_CAM_AF1 + * LDO7_VOLTAGE = 2.8v + * LDO7_CTRL = Active + */ + i2c_write_pmic(PMU_I2C_ADDRESS, 0x5D, 0x27); + i2c_write_pmic(PMU_I2C_ADDRESS, 0x5C, 0x01); + + /* + * Enable VDD_3V3_COM + * VOUT7 (FET7) (TPS65090): auto discharge and enable + */ + i2c_write_pmic(BAT_I2C_ADDRESS, 0x15, 0x03); + + /* Enable LCD backlight */ + gpio_direction_output(DSI_PANEL_BL_EN_GPIO, 1); }
/* diff --git a/include/configs/dalmore.h b/include/configs/dalmore.h index bdf012b..ec285b0 100644 --- a/include/configs/dalmore.h +++ b/include/configs/dalmore.h @@ -87,6 +87,9 @@ #define CONFIG_CMD_NET #define CONFIG_CMD_DHCP
+/* Backlight enable GPIO. TBD - move to DT when LCD driver added */ +#define DSI_PANEL_BL_EN_GPIO GPIO_PH2 + #include "tegra-common-post.h"
#endif /* __CONFIG_H */