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/*
* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
* Copyright (C) 2013 Google Inc.
*
* 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; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "pinmux.h"
#include <arch/io.h>
#include <config.h>
static struct am335x_pinmux_regs *regs =
(struct am335x_pinmux_regs *)(uintptr_t)AM335X_PINMUX_REG_ADDR;
void am335x_pinmux_uart0(void)
{
write32(®s->uart0_rxd, MODE(0) | PULLUP_EN | RXACTIVE);
write32(®s->uart0_txd, MODE(0) | PULLUDEN);
}
void am335x_pinmux_uart1(void)
{
write32(®s->uart1_rxd, MODE(0) | PULLUP_EN | RXACTIVE);
write32(®s->uart1_txd, MODE(0) | PULLUDEN);
}
void am335x_pinmux_uart2(void)
{
// UART2_RXD
write32(®s->spi0_sclk, MODE(1) | PULLUP_EN | RXACTIVE);
// UART2_TXD
write32(®s->spi0_d0, MODE(1) | PULLUDEN);
}
void am335x_pinmux_uart3(void)
{
// UART3_RXD
write32(®s->spi0_cs1, MODE(1) | PULLUP_EN | RXACTIVE);
// UART3_TXD
write32(®s->ecap0_in_pwm0_out, MODE(1) | PULLUDEN);
}
void am335x_pinmux_uart4(void)
{
// UART4_RXD
write32(®s->gpmc_wait0, MODE(6) | PULLUP_EN | RXACTIVE);
// UART4_TXD
write32(®s->gpmc_wpn, MODE(6) | PULLUDEN);
}
void am335x_pinmux_uart5(void)
{
// UART5_RXD
write32(®s->lcd_data9, MODE(4) | PULLUP_EN | RXACTIVE);
// UART5_TXD
write32(®s->lcd_data8, MODE(4) | PULLUDEN);
}
void am335x_pinmux_mmc0(int cd, int sk_evm)
{
write32(®s->mmc0_dat0, MODE(0) | RXACTIVE | PULLUP_EN);
write32(®s->mmc0_dat1, MODE(0) | RXACTIVE | PULLUP_EN);
write32(®s->mmc0_dat2, MODE(0) | RXACTIVE | PULLUP_EN);
write32(®s->mmc0_dat3, MODE(0) | RXACTIVE | PULLUP_EN);
write32(®s->mmc0_clk, MODE(0) | RXACTIVE | PULLUP_EN);
write32(®s->mmc0_cmd, MODE(0) | RXACTIVE | PULLUP_EN);
if (!sk_evm) {
// MMC0_WP
write32(®s->mcasp0_aclkr, MODE(4) | RXACTIVE);
}
if (cd) {
// MMC0_CD
write32(®s->spi0_cs1, MODE(5) | RXACTIVE | PULLUP_EN);
}
}
void am335x_pinmux_mmc1(void)
{
// MMC1_DAT0
write32(®s->gpmc_ad0, MODE(1) | RXACTIVE | PULLUP_EN);
// MMC1_DAT1
write32(®s->gpmc_ad1, MODE(1) | RXACTIVE | PULLUP_EN);
// MMC1_DAT2
write32(®s->gpmc_ad2, MODE(1) | RXACTIVE | PULLUP_EN);
// MMC1_DAT3
write32(®s->gpmc_ad3, MODE(1) | RXACTIVE | PULLUP_EN);
// MMC1_CLK
write32(®s->gpmc_csn1, MODE(2) | RXACTIVE | PULLUP_EN);
// MMC1_CMD
write32(®s->gpmc_csn2, MODE(2) | RXACTIVE | PULLUP_EN);
// MMC1_WP
write32(®s->gpmc_csn0, MODE(7) | RXACTIVE | PULLUP_EN);
// MMC1_CD
write32(®s->gpmc_advn_ale, MODE(7) | RXACTIVE | PULLUP_EN);
}
void am335x_pinmux_i2c0(void)
{
write32(®s->i2c0_sda, MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL);
write32(®s->i2c0_scl, MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL);
}
void am335x_pinmux_i2c1(void)
{
// I2C_DATA
write32(®s->spi0_d1, MODE(2) | RXACTIVE | PULLUDEN | SLEWCTRL);
// I2C_SCLK
write32(®s->spi0_cs0, MODE(2) | RXACTIVE | PULLUDEN | SLEWCTRL);
}
void am335x_pinmux_spi0(void)
{
write32(®s->spi0_sclk, MODE(0) | RXACTIVE | PULLUDEN);
write32(®s->spi0_d0, MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN);
write32(®s->spi0_d1, MODE(0) | RXACTIVE | PULLUDEN);
write32(®s->spi0_cs0, MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN);
}
void am335x_pinmux_gpio0_7(void)
{
write32(®s->ecap0_in_pwm0_out, MODE(7) | PULLUDEN);
}
void am335x_pinmux_rgmii1(void)
{
write32(®s->mii1_txen, MODE(2));
write32(®s->mii1_rxdv, MODE(2) | RXACTIVE);
write32(®s->mii1_txd0, MODE(2));
write32(®s->mii1_txd1, MODE(2));
write32(®s->mii1_txd2, MODE(2));
write32(®s->mii1_txd3, MODE(2));
write32(®s->mii1_txclk, MODE(2));
write32(®s->mii1_rxclk, MODE(2) | RXACTIVE);
write32(®s->mii1_rxd0, MODE(2) | RXACTIVE);
write32(®s->mii1_rxd1, MODE(2) | RXACTIVE);
write32(®s->mii1_rxd2, MODE(2) | RXACTIVE);
write32(®s->mii1_rxd3, MODE(2) | RXACTIVE);
}
void am335x_pinmux_mii1(void)
{
write32(®s->mii1_rxerr, MODE(0) | RXACTIVE);
write32(®s->mii1_txen, MODE(0));
write32(®s->mii1_rxdv, MODE(0) | RXACTIVE);
write32(®s->mii1_txd0, MODE(0));
write32(®s->mii1_txd1, MODE(0));
write32(®s->mii1_txd2, MODE(0));
write32(®s->mii1_txd3, MODE(0));
write32(®s->mii1_txclk, MODE(0) | RXACTIVE);
write32(®s->mii1_rxclk, MODE(0) | RXACTIVE);
write32(®s->mii1_rxd0, MODE(0) | RXACTIVE);
write32(®s->mii1_rxd1, MODE(0) | RXACTIVE);
write32(®s->mii1_rxd2, MODE(0) | RXACTIVE);
write32(®s->mii1_rxd3, MODE(0) | RXACTIVE);
write32(®s->mdio_data, MODE(0) | RXACTIVE | PULLUP_EN);
write32(®s->mdio_clk, MODE(0) | PULLUP_EN);
}
void am335x_pinmux_nand(void)
{
write32(®s->gpmc_ad0, MODE(0) | PULLUP_EN | RXACTIVE);
write32(®s->gpmc_ad1, MODE(0) | PULLUP_EN | RXACTIVE);
write32(®s->gpmc_ad2, MODE(0) | PULLUP_EN | RXACTIVE);
write32(®s->gpmc_ad3, MODE(0) | PULLUP_EN | RXACTIVE);
write32(®s->gpmc_ad4, MODE(0) | PULLUP_EN | RXACTIVE);
write32(®s->gpmc_ad5, MODE(0) | PULLUP_EN | RXACTIVE);
write32(®s->gpmc_ad6, MODE(0) | PULLUP_EN | RXACTIVE);
write32(®s->gpmc_ad7, MODE(0) | PULLUP_EN | RXACTIVE);
write32(®s->gpmc_wait0, MODE(0) | RXACTIVE | PULLUP_EN);
write32(®s->gpmc_wpn, MODE(7) | PULLUP_EN | RXACTIVE);
write32(®s->gpmc_csn0, MODE(0) | PULLUDEN);
write32(®s->gpmc_advn_ale, MODE(0) | PULLUDEN);
write32(®s->gpmc_oen_ren, MODE(0) | PULLUDEN);
write32(®s->gpmc_wen, MODE(0) | PULLUDEN);
write32(®s->gpmc_be0n_cle, MODE(0) | PULLUDEN);
}
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