mirror of
https://github.com/AsahiLinux/u-boot
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c5c7a7c32d
NOR requires that s_init be within the first 4KiB of the image so that we can perform the rest of the required pinmuxing to talk with the rest of NOR that we are found on. When NOR_BOOT is set we save our environment in NOR at 512KiB and a redundant copy at 768KiB. We avoid using SPL for this case and u-boot.bin is written directly to the start of NOR. We enclose the DMM-related parts of arch/arm/cpu/armv7/am33xx/emif4.c with TI81xx checks as at this time U-Boot does not discard unused sections in the main build and this code relies on functions specific to (and only provided in) ti81xx-related code. Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Signed-off-by: Steve Kipisz <s-kipisz2@ti.com> Signed-off-by: Tom Rini <trini@ti.com>
366 lines
14 KiB
C
366 lines
14 KiB
C
/*
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* mux.c
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*
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* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation version 2.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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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 uart1_pin_mux[] = {
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{OFFSET(uart1_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* UART1_RXD */
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{OFFSET(uart1_txd), (MODE(0) | PULLUDEN)}, /* UART1_TXD */
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{-1},
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};
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static struct module_pin_mux uart2_pin_mux[] = {
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{OFFSET(spi0_sclk), (MODE(1) | PULLUP_EN | RXACTIVE)}, /* UART2_RXD */
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{OFFSET(spi0_d0), (MODE(1) | PULLUDEN)}, /* UART2_TXD */
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{-1},
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};
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static struct module_pin_mux uart3_pin_mux[] = {
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{OFFSET(spi0_cs1), (MODE(1) | PULLUP_EN | RXACTIVE)}, /* UART3_RXD */
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{OFFSET(ecap0_in_pwm0_out), (MODE(1) | PULLUDEN)}, /* UART3_TXD */
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{-1},
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};
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static struct module_pin_mux uart4_pin_mux[] = {
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{OFFSET(gpmc_wait0), (MODE(6) | PULLUP_EN | RXACTIVE)}, /* UART4_RXD */
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{OFFSET(gpmc_wpn), (MODE(6) | PULLUDEN)}, /* UART4_TXD */
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{-1},
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};
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static struct module_pin_mux uart5_pin_mux[] = {
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{OFFSET(lcd_data9), (MODE(4) | PULLUP_EN | RXACTIVE)}, /* UART5_RXD */
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{OFFSET(lcd_data8), (MODE(4) | PULLUDEN)}, /* UART5_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(mcasp0_aclkr), (MODE(4) | RXACTIVE)}, /* MMC0_WP */
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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 mmc0_no_cd_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(mcasp0_aclkr), (MODE(4) | RXACTIVE)}, /* MMC0_WP */
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{-1},
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};
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static struct module_pin_mux mmc0_pin_mux_sk_evm[] = {
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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 mmc1_pin_mux[] = {
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{OFFSET(gpmc_ad3), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT3 */
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{OFFSET(gpmc_ad2), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT2 */
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{OFFSET(gpmc_ad1), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT1 */
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{OFFSET(gpmc_ad0), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT0 */
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{OFFSET(gpmc_csn1), (MODE(2) | RXACTIVE | PULLUP_EN)}, /* MMC1_CLK */
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{OFFSET(gpmc_csn2), (MODE(2) | RXACTIVE | PULLUP_EN)}, /* MMC1_CMD */
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{OFFSET(gpmc_csn0), (MODE(7) | RXACTIVE | PULLUP_EN)}, /* MMC1_WP */
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{OFFSET(gpmc_advn_ale), (MODE(7) | RXACTIVE | PULLUP_EN)}, /* MMC1_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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{OFFSET(i2c0_sda), (MODE(0) | RXACTIVE |
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PULLUDEN | SLEWCTRL)}, /* I2C_DATA */
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{OFFSET(i2c0_scl), (MODE(0) | RXACTIVE |
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PULLUDEN | SLEWCTRL)}, /* I2C_SCLK */
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{-1},
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};
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static struct module_pin_mux i2c1_pin_mux[] = {
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{OFFSET(spi0_d1), (MODE(2) | RXACTIVE |
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PULLUDEN | SLEWCTRL)}, /* I2C_DATA */
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{OFFSET(spi0_cs0), (MODE(2) | RXACTIVE |
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PULLUDEN | SLEWCTRL)}, /* I2C_SCLK */
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{-1},
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};
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static struct module_pin_mux spi0_pin_mux[] = {
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{OFFSET(spi0_sclk), (MODE(0) | RXACTIVE | PULLUDEN)}, /* SPI0_SCLK */
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{OFFSET(spi0_d0), (MODE(0) | RXACTIVE |
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PULLUDEN | PULLUP_EN)}, /* SPI0_D0 */
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{OFFSET(spi0_d1), (MODE(0) | RXACTIVE | PULLUDEN)}, /* SPI0_D1 */
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{OFFSET(spi0_cs0), (MODE(0) | RXACTIVE |
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PULLUDEN | PULLUP_EN)}, /* SPI0_CS0 */
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{-1},
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};
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static struct module_pin_mux gpio0_7_pin_mux[] = {
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{OFFSET(ecap0_in_pwm0_out), (MODE(7) | PULLUDEN)}, /* GPIO0_7 */
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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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{-1},
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};
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static struct module_pin_mux mii1_pin_mux[] = {
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{OFFSET(mii1_rxerr), MODE(0) | RXACTIVE}, /* MII1_RXERR */
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{OFFSET(mii1_txen), MODE(0)}, /* MII1_TXEN */
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{OFFSET(mii1_rxdv), MODE(0) | RXACTIVE}, /* MII1_RXDV */
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{OFFSET(mii1_txd3), MODE(0)}, /* MII1_TXD3 */
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{OFFSET(mii1_txd2), MODE(0)}, /* MII1_TXD2 */
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{OFFSET(mii1_txd1), MODE(0)}, /* MII1_TXD1 */
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{OFFSET(mii1_txd0), MODE(0)}, /* MII1_TXD0 */
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{OFFSET(mii1_txclk), MODE(0) | RXACTIVE}, /* MII1_TXCLK */
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{OFFSET(mii1_rxclk), MODE(0) | RXACTIVE}, /* MII1_RXCLK */
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{OFFSET(mii1_rxd3), MODE(0) | RXACTIVE}, /* MII1_RXD3 */
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{OFFSET(mii1_rxd2), MODE(0) | RXACTIVE}, /* MII1_RXD2 */
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{OFFSET(mii1_rxd1), MODE(0) | RXACTIVE}, /* MII1_RXD1 */
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{OFFSET(mii1_rxd0), MODE(0) | RXACTIVE}, /* MII1_RXD0 */
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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 nand_pin_mux[] = {
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{OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD0 */
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{OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD1 */
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{OFFSET(gpmc_ad2), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD2 */
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{OFFSET(gpmc_ad3), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD3 */
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{OFFSET(gpmc_ad4), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD4 */
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{OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD5 */
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{OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD6 */
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{OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD7 */
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{OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* NAND WAIT */
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{OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)}, /* NAND_WPN */
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{OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)}, /* NAND_CS0 */
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{OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)}, /* NAND_ADV_ALE */
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{OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN)}, /* NAND_OE */
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{OFFSET(gpmc_wen), (MODE(0) | PULLUDEN)}, /* NAND_WEN */
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{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN)}, /* NAND_BE_CLE */
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{-1},
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};
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#if defined(CONFIG_NOR) && !defined(CONFIG_NOR_BOOT)
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static struct module_pin_mux bone_norcape_pin_mux[] = {
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{OFFSET(lcd_data0), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A0 */
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{OFFSET(lcd_data1), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A1 */
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{OFFSET(lcd_data2), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A2 */
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{OFFSET(lcd_data3), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A3 */
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{OFFSET(lcd_data4), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A4 */
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{OFFSET(lcd_data5), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A5 */
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{OFFSET(lcd_data6), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A6 */
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{OFFSET(lcd_data7), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A7 */
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{OFFSET(lcd_vsync), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A8 */
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{OFFSET(lcd_hsync), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A9 */
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{OFFSET(lcd_pclk), MODE(1)| PULLUDEN | RXACTIVE}, /* NOR_A10 */
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{OFFSET(lcd_ac_bias_en), MODE(1)| PULLUDEN | RXACTIVE}, /* NOR_A11 */
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{OFFSET(lcd_data8), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A12 */
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{OFFSET(lcd_data9), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A13 */
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{OFFSET(lcd_data10), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A14 */
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{OFFSET(lcd_data11), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A15 */
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{OFFSET(lcd_data12), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A16 */
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{OFFSET(lcd_data13), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A17 */
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{OFFSET(lcd_data14), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A18 */
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{OFFSET(lcd_data15), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A19 */
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{OFFSET(gpmc_ad0), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD0 */
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{OFFSET(gpmc_ad1), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD1 */
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{OFFSET(gpmc_ad2), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD2 */
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{OFFSET(gpmc_ad3), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD3 */
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{OFFSET(gpmc_ad4), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD4 */
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{OFFSET(gpmc_ad5), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD5 */
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{OFFSET(gpmc_ad6), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD6 */
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{OFFSET(gpmc_ad7), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD7 */
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{OFFSET(gpmc_ad8), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD8 */
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{OFFSET(gpmc_ad9), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD9 */
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{OFFSET(gpmc_ad10), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD10 */
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{OFFSET(gpmc_ad11), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD11 */
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{OFFSET(gpmc_ad12), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD12 */
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{OFFSET(gpmc_ad13), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD13 */
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{OFFSET(gpmc_ad14), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD14 */
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{OFFSET(gpmc_ad15), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD15 */
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{OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN) | RXACTIVE}, /* NOR_CE */
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{OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN) | RXACTIVE}, /* NOR_ADVN_ALE */
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{OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN | RXACTIVE)},/* NOR_OE */
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{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN | RXACTIVE)},/* NOR_BE0N_CLE */
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{OFFSET(gpmc_wen), (MODE(0) | PULLUDEN | RXACTIVE)}, /* NOR_WEN */
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{OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUDEN)}, /* NOR WAIT */
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{-1},
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};
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#endif
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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_uart1_pin_mux(void)
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{
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configure_module_pin_mux(uart1_pin_mux);
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}
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void enable_uart2_pin_mux(void)
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{
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configure_module_pin_mux(uart2_pin_mux);
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}
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void enable_uart3_pin_mux(void)
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{
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configure_module_pin_mux(uart3_pin_mux);
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}
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void enable_uart4_pin_mux(void)
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{
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configure_module_pin_mux(uart4_pin_mux);
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}
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void enable_uart5_pin_mux(void)
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{
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configure_module_pin_mux(uart5_pin_mux);
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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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/*
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* The AM335x GP EVM, if daughter card(s) are connected, can have 8
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* different profiles. These profiles determine what peripherals are
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* valid and need pinmux to be configured.
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*/
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#define PROFILE_NONE 0x0
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#define PROFILE_0 (1 << 0)
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#define PROFILE_1 (1 << 1)
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#define PROFILE_2 (1 << 2)
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#define PROFILE_3 (1 << 3)
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#define PROFILE_4 (1 << 4)
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#define PROFILE_5 (1 << 5)
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#define PROFILE_6 (1 << 6)
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#define PROFILE_7 (1 << 7)
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#define PROFILE_MASK 0x7
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#define PROFILE_ALL 0xFF
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/* CPLD registers */
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#define I2C_CPLD_ADDR 0x35
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#define CFG_REG 0x10
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static unsigned short detect_daughter_board_profile(void)
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{
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unsigned short val;
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if (i2c_probe(I2C_CPLD_ADDR))
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return PROFILE_NONE;
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if (i2c_read(I2C_CPLD_ADDR, CFG_REG, 1, (unsigned char *)(&val), 2))
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return PROFILE_NONE;
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return (1 << (val & PROFILE_MASK));
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}
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void enable_board_pin_mux(struct am335x_baseboard_id *header)
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{
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/* Do board-specific muxes. */
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if (board_is_bone(header)) {
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/* Beaglebone pinmux */
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configure_module_pin_mux(i2c1_pin_mux);
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configure_module_pin_mux(mii1_pin_mux);
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configure_module_pin_mux(mmc0_pin_mux);
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#ifndef CONFIG_NOR
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configure_module_pin_mux(mmc1_pin_mux);
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#endif
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#if defined(CONFIG_NOR) && !defined(CONFIG_NOR_BOOT)
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configure_module_pin_mux(bone_norcape_pin_mux);
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#endif
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} else if (board_is_gp_evm(header)) {
|
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/* General Purpose EVM */
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|
unsigned short profile = detect_daughter_board_profile();
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configure_module_pin_mux(rgmii1_pin_mux);
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|
configure_module_pin_mux(mmc0_pin_mux);
|
|
/* In profile #2 i2c1 and spi0 conflict. */
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|
if (profile & ~PROFILE_2)
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|
configure_module_pin_mux(i2c1_pin_mux);
|
|
/* Profiles 2 & 3 don't have NAND */
|
|
if (profile & ~(PROFILE_2 | PROFILE_3))
|
|
configure_module_pin_mux(nand_pin_mux);
|
|
else if (profile == PROFILE_2) {
|
|
configure_module_pin_mux(mmc1_pin_mux);
|
|
configure_module_pin_mux(spi0_pin_mux);
|
|
}
|
|
} else if (board_is_idk(header)) {
|
|
/*
|
|
* Industrial Motor Control (IDK)
|
|
* note: IDK console is on UART3 by default.
|
|
* So u-boot mus be build with CONFIG_SERIAL4 and
|
|
* CONFIG_CONS_INDEX=4
|
|
*/
|
|
configure_module_pin_mux(mii1_pin_mux);
|
|
configure_module_pin_mux(mmc0_no_cd_pin_mux);
|
|
} else if (board_is_evm_sk(header)) {
|
|
/* Starter Kit EVM */
|
|
configure_module_pin_mux(i2c1_pin_mux);
|
|
configure_module_pin_mux(gpio0_7_pin_mux);
|
|
configure_module_pin_mux(rgmii1_pin_mux);
|
|
configure_module_pin_mux(mmc0_pin_mux_sk_evm);
|
|
} else if (board_is_bone_lt(header)) {
|
|
/* Beaglebone LT pinmux */
|
|
configure_module_pin_mux(i2c1_pin_mux);
|
|
configure_module_pin_mux(mii1_pin_mux);
|
|
configure_module_pin_mux(mmc0_pin_mux);
|
|
configure_module_pin_mux(mmc1_pin_mux);
|
|
} else {
|
|
puts("Unknown board, cannot configure pinmux.");
|
|
hang();
|
|
}
|
|
}
|