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2d92ba8440
This adds the Gumstix Pepper[1] single-board computer based on the TI AM335x processor. Schematics are available [2]. [1] https://store.gumstix.com/index.php/products/344/ [2] https://pubs.gumstix.com/boards/PEPPER/ Signed-off-by: Ash Charles <ash@gumstix.com> [trini: Move 'cdev' in board.c down to under #ifdef's where it's used] Signed-off-by: Tom Rini <trini@ti.com>
79 lines
2.8 KiB
C
79 lines
2.8 KiB
C
/*
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* Muxing for Gumstix Pepper and AM335x-based boards
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*
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* Copyright (C) 2014, Gumstix, Incorporated - http://www.gumstix.com/
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/mux.h>
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#include <asm/io.h>
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#include <i2c.h>
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#include "board.h"
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static struct module_pin_mux uart0_pin_mux[] = {
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{OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* UART0_RXD */
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{OFFSET(uart0_txd), (MODE(0) | PULLUDEN)}, /* UART0_TXD */
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{-1},
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};
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static struct module_pin_mux mmc0_pin_mux[] = {
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{OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT3 */
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{OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT2 */
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{OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT1 */
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{OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT0 */
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{OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CLK */
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{OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CMD */
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{OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)}, /* MMC0_CD */
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{-1},
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};
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static struct module_pin_mux i2c0_pin_mux[] = {
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/* I2C_DATA */
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{OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
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/* I2C_SCLK */
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{OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
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{-1},
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};
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static struct module_pin_mux rgmii1_pin_mux[] = {
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{OFFSET(mii1_txen), MODE(2)}, /* RGMII1_TCTL */
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{OFFSET(mii1_rxdv), MODE(2) | RXACTIVE}, /* RGMII1_RCTL */
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{OFFSET(mii1_txd3), MODE(2)}, /* RGMII1_TD3 */
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{OFFSET(mii1_txd2), MODE(2)}, /* RGMII1_TD2 */
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{OFFSET(mii1_txd1), MODE(2)}, /* RGMII1_TD1 */
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{OFFSET(mii1_txd0), MODE(2)}, /* RGMII1_TD0 */
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{OFFSET(mii1_txclk), MODE(2)}, /* RGMII1_TCLK */
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{OFFSET(mii1_rxclk), MODE(2) | RXACTIVE}, /* RGMII1_RCLK */
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{OFFSET(mii1_rxd3), MODE(2) | RXACTIVE}, /* RGMII1_RD3 */
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{OFFSET(mii1_rxd2), MODE(2) | RXACTIVE}, /* RGMII1_RD2 */
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{OFFSET(mii1_rxd1), MODE(2) | RXACTIVE}, /* RGMII1_RD1 */
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{OFFSET(mii1_rxd0), MODE(2) | RXACTIVE}, /* RGMII1_RD0 */
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{OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},/* MDIO_DATA */
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{OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /* MDIO_CLK */
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{OFFSET(rmii1_refclk), MODE(7) | RXACTIVE}, /* ETH_INT */
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{OFFSET(mii1_col), MODE(7) | PULLUP_EN}, /* PHY_NRESET */
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{OFFSET(xdma_event_intr1), MODE(3)},
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{-1},
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};
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void enable_uart0_pin_mux(void)
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{
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configure_module_pin_mux(uart0_pin_mux);
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}
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/*
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* Do board-specific muxes.
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*/
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void enable_board_pin_mux(void)
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{
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/* I2C0 */
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configure_module_pin_mux(i2c0_pin_mux);
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/* SD Card */
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configure_module_pin_mux(mmc0_pin_mux);
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/* Ethernet pinmux. */
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configure_module_pin_mux(rgmii1_pin_mux);
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}
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