diff options
Diffstat (limited to 'board/toradex/colibri_t20/colibri_t20.c')
| -rw-r--r-- | board/toradex/colibri_t20/colibri_t20.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/board/toradex/colibri_t20/colibri_t20.c b/board/toradex/colibri_t20/colibri_t20.c new file mode 100644 index 0000000000..8ae9ccf538 --- /dev/null +++ b/board/toradex/colibri_t20/colibri_t20.c @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2012 Lucas Stach + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/clock.h> +#include <asm/arch/funcmux.h> +#include <asm/arch/pinmux.h> +#include <asm/arch-tegra/board.h> +#include <asm/gpio.h> + +#ifdef CONFIG_TEGRA_MMC +/* + * Routine: pin_mux_mmc + * Description: setup the pin muxes/tristate values for the SDMMC(s) + */ +void pin_mux_mmc(void) +{ + funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_4_BIT); + pinmux_tristate_disable(PMUX_PINGRP_GMB); +} +#endif + +#ifdef CONFIG_TEGRA_NAND +void pin_mux_nand(void) +{ + funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_NDFLASH_KBC_8_BIT); + + /* + * configure pingroup ATC to something unrelated to + * avoid ATC overriding KBC + */ + pinmux_set_func(PMUX_PINGRP_ATC, PMUX_FUNC_GMI); +} +#endif + +#ifdef CONFIG_USB_EHCI_TEGRA +void pin_mux_usb(void) +{ + /* module internal USB bus to connect ethernet chipset */ + funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI); + + /* ULPI reference clock output */ + pinmux_set_func(PMUX_PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4); + pinmux_tristate_disable(PMUX_PINGRP_CDEV2); + + /* PHY reset GPIO */ + pinmux_tristate_disable(PMUX_PINGRP_UAC); + + /* VBus GPIO */ + pinmux_tristate_disable(PMUX_PINGRP_DTE); + + /* Reset ASIX using LAN_RESET */ + gpio_request(GPIO_PV4, "LAN_RESET"); + gpio_direction_output(GPIO_PV4, 0); + pinmux_tristate_disable(PMUX_PINGRP_GPV); + udelay(5); + gpio_set_value(GPIO_PV4, 1); + + /* USBH_PEN: USB 1 aka Tegra USB port 3 VBus */ + pinmux_tristate_disable(PMUX_PINGRP_SPIG); +} +#endif |