| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * (C) Copyright 2010,2011 |
| 3 | * NVIDIA Corporation <www.nvidia.com> |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <asm/io.h> |
| 10 | #include <asm/arch/tegra.h> |
| 11 | #include <asm/arch/clock.h> |
| 12 | #include <asm/arch/funcmux.h> |
| 13 | #include <asm/arch/gpio.h> |
| 14 | #include <asm/arch/pinmux.h> |
| 15 | #include <asm/gpio.h> |
| 16 | |
| 17 | /* TODO: Remove this code when the SPI switch is working */ |
| 18 | #if (CONFIG_MACH_TYPE != MACH_TYPE_VENTANA) |
| 19 | void gpio_early_init_uart(void) |
| 20 | { |
| 21 | /* Enable UART via GPIO_PI3 (port 8, bit 3) so serial console works */ |
| 22 | #ifndef CONFIG_SPL_BUILD |
| 23 | gpio_request(GPIO_PI3, NULL); |
| 24 | #endif |
| 25 | gpio_direction_output(GPIO_PI3, 0); |
| 26 | } |
| 27 | #endif |
| 28 | |
| 29 | #ifdef CONFIG_TEGRA_MMC |
| 30 | /* |
| 31 | * Routine: pin_mux_mmc |
| 32 | * Description: setup the pin muxes/tristate values for the SDMMC(s) |
| 33 | */ |
| 34 | void pin_mux_mmc(void) |
| 35 | { |
| 36 | funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT); |
| 37 | funcmux_select(PERIPH_ID_SDMMC3, FUNCMUX_SDMMC3_SDB_4BIT); |
| 38 | |
| 39 | /* For power GPIO PI6 */ |
| 40 | pinmux_tristate_disable(PINGRP_ATA); |
| 41 | /* For CD GPIO PI5 */ |
| 42 | pinmux_tristate_disable(PINGRP_ATC); |
| 43 | } |
| 44 | #endif |
| 45 | |
| 46 | void pin_mux_usb(void) |
| 47 | { |
| 48 | /* For USB's GPIO PD0. For now, since we have no pinmux in fdt */ |
| 49 | pinmux_tristate_disable(PINGRP_SLXK); |
| 50 | } |