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https://github.com/AsahiLinux/u-boot
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403edbb94f
AM437x Starter Kit has a qspi flash and gbit ethernet support. By muxing those signals, we can use those interfaces from u-boot. Signed-off-by: Felipe Balbi <balbi@ti.com>
112 lines
3.8 KiB
C
112 lines
3.8 KiB
C
/*
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* mux.c
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*
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* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.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/mux.h>
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#include "board.h"
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static struct module_pin_mux rmii1_pin_mux[] = {
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{OFFSET(mii1_txen), MODE(1)}, /* RMII1_TXEN */
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{OFFSET(mii1_txd1), MODE(1)}, /* RMII1_TD1 */
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{OFFSET(mii1_txd0), MODE(1)}, /* RMII1_TD0 */
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{OFFSET(mii1_rxd1), MODE(1) | RXACTIVE}, /* RMII1_RD1 */
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{OFFSET(mii1_rxd0), MODE(1) | RXACTIVE}, /* RMII1_RD0 */
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{OFFSET(mii1_rxdv), MODE(1) | RXACTIVE}, /* RMII1_RXDV */
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{OFFSET(mii1_crs), MODE(1) | RXACTIVE}, /* RMII1_CRS_DV */
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{OFFSET(mii1_rxerr), MODE(1) | RXACTIVE}, /* RMII1_RXERR */
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{OFFSET(rmii1_refclk), MODE(0) | RXACTIVE}, /* RMII1_refclk */
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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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{-1},
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};
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static struct module_pin_mux mdio_pin_mux[] = {
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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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{-1},
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};
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static struct module_pin_mux uart0_pin_mux[] = {
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{OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
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{OFFSET(uart0_txd), (MODE(0) | PULLUDDIS | PULLUP_EN | SLEWCTRL)},
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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_clk), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* MMC0_CLK */
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{OFFSET(mmc0_cmd), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* MMC0_CMD */
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{OFFSET(mmc0_dat0), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* MMC0_DAT0 */
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{OFFSET(mmc0_dat1), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* MMC0_DAT1 */
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{OFFSET(mmc0_dat2), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* MMC0_DAT2 */
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{OFFSET(mmc0_dat3), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* MMC0_DAT3 */
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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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{OFFSET(i2c0_sda), (MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
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{OFFSET(i2c0_scl), (MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
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{-1},
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};
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static struct module_pin_mux gpio5_7_pin_mux[] = {
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{OFFSET(spi0_cs0), (MODE(7) | PULLUP_EN)}, /* GPIO5_7 */
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{-1},
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};
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static struct module_pin_mux qspi_pin_mux[] = {
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{OFFSET(gpmc_csn0), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_CS0 */
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{OFFSET(gpmc_csn3), (MODE(2) | PULLUP_EN | RXACTIVE)}, /* QSPI_CLK */
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{OFFSET(gpmc_advn_ale), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_D0 */
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{OFFSET(gpmc_oen_ren), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_D1 */
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{OFFSET(gpmc_wen), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_D2 */
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{OFFSET(gpmc_be0n_cle), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_D3 */
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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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void enable_board_pin_mux(void)
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{
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configure_module_pin_mux(mmc0_pin_mux);
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configure_module_pin_mux(i2c0_pin_mux);
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configure_module_pin_mux(mdio_pin_mux);
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if (board_is_gpevm()) {
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configure_module_pin_mux(gpio5_7_pin_mux);
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configure_module_pin_mux(rgmii1_pin_mux);
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} else if (board_is_sk()) {
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configure_module_pin_mux(rgmii1_pin_mux);
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configure_module_pin_mux(qspi_pin_mux);
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} else if (board_is_eposevm()) {
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configure_module_pin_mux(rmii1_pin_mux);
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configure_module_pin_mux(qspi_pin_mux);
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}
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}
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void enable_i2c0_pin_mux(void)
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{
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configure_module_pin_mux(i2c0_pin_mux);
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}
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