diff options
Diffstat (limited to 'board/nvidia/p2571/p2571.c')
-rw-r--r-- | board/nvidia/p2571/p2571.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/board/nvidia/p2571/p2571.c b/board/nvidia/p2571/p2571.c index fc710c1750..d33e4d12b2 100644 --- a/board/nvidia/p2571/p2571.c +++ b/board/nvidia/p2571/p2571.c @@ -6,10 +6,34 @@ */ #include <common.h> +#include <i2c.h> #include <asm/arch/gpio.h> #include <asm/arch/pinmux.h> +#include <asm/gpio.h> +#include "max77620_init.h" +#include <asm/arch-tegra/gpu.h> #include "pinmux-config-p2571.h" +void pin_mux_mmc(void) +{ + struct udevice *dev; + uchar val; + int ret; + + /* Turn on MAX77620 LDO2 to 3.3V for SD card power */ + debug("%s: Set LDO2 for VDDIO_SDMMC_AP power to 3.3V\n", __func__); + ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev); + if (ret) { + printf("%s: Cannot find MAX77620 I2C chip\n", __func__); + return; + } + /* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */ + val = 0xF2; + ret = dm_i2c_write(dev, MAX77620_CNFG1_L2_REG, &val, 1); + if (ret) + printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret); +} + /* * Routine: pinmux_init * Description: Do individual peripheral pinmux configs @@ -27,3 +51,20 @@ void pinmux_init(void) pinmux_config_drvgrp_table(p2571_drvgrps, ARRAY_SIZE(p2571_drvgrps)); } + +/* + * Routine: start_cpu_fan + * Description: Enable/start PWM CPU fan on P2571 + */ +void start_cpu_fan(void) +{ + /* GPIO_PE4 is PS_VDD_FAN_ENABLE */ + gpio_request(GPIO_PE4, "FAN_VDD"); + gpio_direction_output(GPIO_PE4, 1); +} + +int ft_board_setup(void *blob, bd_t *bd) +{ + gpu_enable_node(blob, "/gpu@0,57000000"); + return 0; +} |