mux.c 3.39 KB
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/*
 * Copyright (C) 2013, ISEE 2007 SL - http://www.isee.biz/
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation version 2.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 */

#include <common.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/hardware.h>
#include <asm/arch/mux.h>
#include <asm/io.h>
#include <i2c.h>
#include "board.h"

static struct module_pin_mux uart0_pin_mux[] = {
	{OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* UART0_RXD */
	{OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},		/* UART0_TXD */
	{-1},
};

static struct module_pin_mux mmc0_pin_mux[] = {
	{OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT3 */
	{OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT2 */
	{OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT1 */
	{OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT0 */
	{OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CLK */
	{OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CMD */
	{OFFSET(mcasp0_aclkx), (MODE(4) | RXACTIVE)},		/* MMC0_CD */
	{-1},
};

static struct module_pin_mux nand_pin_mux[] = {
	{OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD0 */
	{OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD1 */
	{OFFSET(gpmc_ad2), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD2 */
	{OFFSET(gpmc_ad3), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD3 */
	{OFFSET(gpmc_ad4), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD4 */
	{OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD5 */
	{OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD6 */
	{OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD7 */
	{OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* NAND WAIT */
	{OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)},	/* NAND_WPN */
	{OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)},		/* NAND_CS0 */
	{OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)},	/* NAND_ADV_ALE */
	{OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN)},	/* NAND_OE */
	{OFFSET(gpmc_wen), (MODE(0) | PULLUDEN)},	/* NAND_WEN */
	{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN)},	/* NAND_BE_CLE */
	{-1},
};

static struct module_pin_mux rmii1_pin_mux[] = {
	{OFFSET(mii1_txen), MODE(1)},			/* RMII1_TXEN */
	{OFFSET(mii1_rxerr), MODE(1) | RXACTIVE},	/* RMII1_RXERR */
	{OFFSET(mii1_crs), MODE(1) | RXACTIVE},		/* RMII1_CRS_DV */
	{OFFSET(mii1_rxd0), MODE(1) | RXACTIVE},	/* RMII1_RXD0 */
	{OFFSET(mii1_rxd1), MODE(1) | RXACTIVE},	/* RMII1_RXD1 */
	{OFFSET(mii1_txd0), MODE(1)},			/* RMII1_TXD0 */
	{OFFSET(mii1_txd1), MODE(1)},			/* RMII1_TXD1 */
	{OFFSET(rmii1_refclk), MODE(0) | RXACTIVE},	/* RMII1_REF_CLK */
	{OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},	/* MDIO_DATA */
	{OFFSET(mdio_clk), MODE(0) | PULLUP_EN},	/* MDIO_CLK */
	{-1},
};

void enable_uart0_pin_mux(void)
{
	configure_module_pin_mux(uart0_pin_mux);
}

/*
 * Do board-specific muxes.
 */
void enable_board_pin_mux(void)
{
	/* NAND Flash */
	configure_module_pin_mux(nand_pin_mux);
	/* SD Card */
	configure_module_pin_mux(mmc0_pin_mux);
	/* Ethernet pinmux. */
	configure_module_pin_mux(rmii1_pin_mux);
}