/* * mux.c * * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ * * 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 #include #include #include #include #include #include "../common/board_detect.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 uart1_pin_mux[] = { {OFFSET(uart1_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* UART1_RXD */ {OFFSET(uart1_txd), (MODE(0) | PULLUDEN)}, /* UART1_TXD */ {-1}, }; static struct module_pin_mux uart2_pin_mux[] = { {OFFSET(spi0_sclk), (MODE(1) | PULLUP_EN | RXACTIVE)}, /* UART2_RXD */ {OFFSET(spi0_d0), (MODE(1) | PULLUDEN)}, /* UART2_TXD */ {-1}, }; static struct module_pin_mux uart3_pin_mux[] = { {OFFSET(spi0_cs1), (MODE(1) | PULLUP_EN | RXACTIVE)}, /* UART3_RXD */ {OFFSET(ecap0_in_pwm0_out), (MODE(1) | PULLUDEN)}, /* UART3_TXD */ {-1}, }; static struct module_pin_mux uart4_pin_mux[] = { {OFFSET(gpmc_wait0), (MODE(6) | PULLUP_EN | RXACTIVE)}, /* UART4_RXD */ {OFFSET(gpmc_wpn), (MODE(6) | PULLUDEN)}, /* UART4_TXD */ {-1}, }; static struct module_pin_mux uart5_pin_mux[] = { {OFFSET(lcd_data9), (MODE(4) | PULLUP_EN | RXACTIVE)}, /* UART5_RXD */ {OFFSET(lcd_data8), (MODE(4) | PULLUDEN)}, /* UART5_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_aclkr), (MODE(4) | RXACTIVE)}, /* MMC0_WP */ {OFFSET(spi0_cs1), (MODE(7) | RXACTIVE | PULLUP_EN)}, /* GPIO0_6 */ {-1}, }; static struct module_pin_mux mmc0_no_cd_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_aclkr), (MODE(4) | RXACTIVE)}, /* MMC0_WP */ {-1}, }; static struct module_pin_mux mmc0_pin_mux_sk_evm[] = { {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(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)}, /* MMC0_CD */ {-1}, }; static struct module_pin_mux mmc1_pin_mux[] = { {OFFSET(gpmc_ad3), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT3 */ {OFFSET(gpmc_ad2), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT2 */ {OFFSET(gpmc_ad1), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT1 */ {OFFSET(gpmc_ad0), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT0 */ {OFFSET(gpmc_csn1), (MODE(2) | RXACTIVE | PULLUP_EN)}, /* MMC1_CLK */ {OFFSET(gpmc_csn2), (MODE(2) | RXACTIVE | PULLUP_EN)}, /* MMC1_CMD */ {OFFSET(gpmc_csn0), (MODE(7) | RXACTIVE | PULLUP_EN)}, /* MMC1_WP */ {OFFSET(gpmc_advn_ale), (MODE(7) | RXACTIVE | PULLUP_EN)}, /* MMC1_CD */ {-1}, }; static struct module_pin_mux i2c0_pin_mux[] = { {OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)}, /* I2C_DATA */ {OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)}, /* I2C_SCLK */ {-1}, }; static struct module_pin_mux i2c1_pin_mux[] = { {OFFSET(spi0_d1), (MODE(2) | RXACTIVE | PULLUDEN | SLEWCTRL)}, /* I2C_DATA */ {OFFSET(spi0_cs0), (MODE(2) | RXACTIVE | PULLUDEN | SLEWCTRL)}, /* I2C_SCLK */ {-1}, }; static struct module_pin_mux spi0_pin_mux[] = { {OFFSET(spi0_sclk), (MODE(0) | RXACTIVE | PULLUDEN)}, /* SPI0_SCLK */ {OFFSET(spi0_d0), (MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN)}, /* SPI0_D0 */ {OFFSET(spi0_d1), (MODE(0) | RXACTIVE | PULLUDEN)}, /* SPI0_D1 */ {OFFSET(spi0_cs0), (MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN)}, /* SPI0_CS0 */ {-1}, }; static struct module_pin_mux gpio0_7_pin_mux[] = { {OFFSET(ecap0_in_pwm0_out), (MODE(7) | PULLUDEN)}, /* GPIO0_7 */ {-1}, }; //Nikhil experiment gpio2[2] static struct module_pin_mux gpio2_2_pin_mux[] = { {OFFSET(gpmc_wen), (MODE(7) | PULLUDEN)}, {-1}, }; // static struct module_pin_mux gpio0_18_pin_mux[] = { {OFFSET(usb0_drvvbus), (MODE(7) | PULLUDEN)}, /* GPIO0_18 */ {-1}, }; static struct module_pin_mux rgmii1_pin_mux[] = { {OFFSET(mii1_txen), MODE(2)}, /* RGMII1_TCTL */ {OFFSET(mii1_rxdv), MODE(2) | RXACTIVE}, /* RGMII1_RCTL */ {OFFSET(mii1_txd3), MODE(2)}, /* RGMII1_TD3 */ {OFFSET(mii1_txd2), MODE(2)}, /* RGMII1_TD2 */ {OFFSET(mii1_txd1), MODE(2)}, /* RGMII1_TD1 */ {OFFSET(mii1_txd0), MODE(2)}, /* RGMII1_TD0 */ {OFFSET(mii1_txclk), MODE(2)}, /* RGMII1_TCLK */ {OFFSET(mii1_rxclk), MODE(2) | RXACTIVE}, /* RGMII1_RCLK */ {OFFSET(mii1_rxd3), MODE(2) | RXACTIVE}, /* RGMII1_RD3 */ {OFFSET(mii1_rxd2), MODE(2) | RXACTIVE}, /* RGMII1_RD2 */ {OFFSET(mii1_rxd1), MODE(2) | RXACTIVE}, /* RGMII1_RD1 */ {OFFSET(mii1_rxd0), MODE(2) | RXACTIVE}, /* RGMII1_RD0 */ {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},/* MDIO_DATA */ {OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /* MDIO_CLK */ {-1}, }; static struct module_pin_mux mii1_pin_mux[] = { {OFFSET(mii1_rxerr), MODE(0) | RXACTIVE}, /* MII1_RXERR */ {OFFSET(mii1_txen), MODE(0)}, /* MII1_TXEN */ {OFFSET(mii1_rxdv), MODE(0) | RXACTIVE}, /* MII1_RXDV */ {OFFSET(mii1_txd3), MODE(0)}, /* MII1_TXD3 */ {OFFSET(mii1_txd2), MODE(0)}, /* MII1_TXD2 */ {OFFSET(mii1_txd1), MODE(0)}, /* MII1_TXD1 */ {OFFSET(mii1_txd0), MODE(0)}, /* MII1_TXD0 */ {OFFSET(mii1_txclk), MODE(0) | RXACTIVE}, /* MII1_TXCLK */ {OFFSET(mii1_rxclk), MODE(0) | RXACTIVE}, /* MII1_RXCLK */ {OFFSET(mii1_rxd3), MODE(0) | RXACTIVE}, /* MII1_RXD3 */ {OFFSET(mii1_rxd2), MODE(0) | RXACTIVE}, /* MII1_RXD2 */ {OFFSET(mii1_rxd1), MODE(0) | RXACTIVE}, /* MII1_RXD1 */ {OFFSET(mii1_rxd0), MODE(0) | RXACTIVE}, /* MII1_RXD0 */ {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN}, /* MDIO_DATA */ {OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /* MDIO_CLK */ {-1}, }; static struct module_pin_mux rmii1_pin_mux[] = { {OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /* MDIO_CLK */ {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN}, /* MDIO_DATA */ {OFFSET(mii1_crs), MODE(1) | RXACTIVE}, /* MII1_CRS */ {OFFSET(mii1_rxerr), MODE(1) | RXACTIVE}, /* MII1_RXERR */ {OFFSET(mii1_txen), MODE(1)}, /* MII1_TXEN */ {OFFSET(mii1_txd1), MODE(1)}, /* MII1_TXD1 */ {OFFSET(mii1_txd0), MODE(1)}, /* MII1_TXD0 */ {OFFSET(mii1_rxd1), MODE(1) | RXACTIVE}, /* MII1_RXD1 */ {OFFSET(mii1_rxd0), MODE(1) | RXACTIVE}, /* MII1_RXD0 */ {OFFSET(rmii1_refclk), MODE(0) | RXACTIVE}, /* RMII1_REFCLK */ {-1}, }; #ifdef CONFIG_NAND static struct module_pin_mux nand_pin_mux[] = { {OFFSET(gpmc_ad0), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD0 */ {OFFSET(gpmc_ad1), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD1 */ {OFFSET(gpmc_ad2), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD2 */ {OFFSET(gpmc_ad3), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD3 */ {OFFSET(gpmc_ad4), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD4 */ {OFFSET(gpmc_ad5), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD5 */ {OFFSET(gpmc_ad6), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD6 */ {OFFSET(gpmc_ad7), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD7 */ #ifdef CONFIG_SYS_NAND_BUSWIDTH_16BIT {OFFSET(gpmc_ad8), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD8 */ {OFFSET(gpmc_ad9), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD9 */ {OFFSET(gpmc_ad10), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD10 */ {OFFSET(gpmc_ad11), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD11 */ {OFFSET(gpmc_ad12), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD12 */ {OFFSET(gpmc_ad13), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD13 */ {OFFSET(gpmc_ad14), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD14 */ {OFFSET(gpmc_ad15), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD15 */ #endif {OFFSET(gpmc_wait0), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* nWAIT */ {OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN)}, /* nWP */ {OFFSET(gpmc_csn0), (MODE(0) | PULLUP_EN)}, /* nCS */ {OFFSET(gpmc_wen), (MODE(0) | PULLDOWN_EN)}, /* WEN */ {OFFSET(gpmc_oen_ren), (MODE(0) | PULLDOWN_EN)}, /* OE */ {OFFSET(gpmc_advn_ale), (MODE(0) | PULLDOWN_EN)}, /* ADV_ALE */ {OFFSET(gpmc_be0n_cle), (MODE(0) | PULLDOWN_EN)}, /* BE_CLE */ {-1}, }; #elif defined(CONFIG_NOR) static struct module_pin_mux bone_norcape_pin_mux[] = { {OFFSET(gpmc_a0), MODE(0) | PULLUDDIS}, /* NOR_A0 */ {OFFSET(gpmc_a1), MODE(0) | PULLUDDIS}, /* NOR_A1 */ {OFFSET(gpmc_a2), MODE(0) | PULLUDDIS}, /* NOR_A2 */ {OFFSET(gpmc_a3), MODE(0) | PULLUDDIS}, /* NOR_A3 */ {OFFSET(gpmc_a4), MODE(0) | PULLUDDIS}, /* NOR_A4 */ {OFFSET(gpmc_a5), MODE(0) | PULLUDDIS}, /* NOR_A5 */ {OFFSET(gpmc_a6), MODE(0) | PULLUDDIS}, /* NOR_A6 */ {OFFSET(gpmc_a7), MODE(0) | PULLUDDIS}, /* NOR_A7 */ {OFFSET(gpmc_ad0), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD0 */ {OFFSET(gpmc_ad1), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD1 */ {OFFSET(gpmc_ad2), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD2 */ {OFFSET(gpmc_ad3), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD3 */ {OFFSET(gpmc_ad4), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD4 */ {OFFSET(gpmc_ad5), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD5 */ {OFFSET(gpmc_ad6), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD6 */ {OFFSET(gpmc_ad7), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD7 */ {OFFSET(gpmc_ad8), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD8 */ {OFFSET(gpmc_ad9), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD9 */ {OFFSET(gpmc_ad10), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD10 */ {OFFSET(gpmc_ad11), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD11 */ {OFFSET(gpmc_ad12), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD12 */ {OFFSET(gpmc_ad13), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD13 */ {OFFSET(gpmc_ad14), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD14 */ {OFFSET(gpmc_ad15), MODE(0) | PULLUDDIS | RXACTIVE}, /* NOR_AD15 */ {OFFSET(gpmc_csn0), MODE(0) | PULLUDEN | PULLUP_EN}, /* CE */ {OFFSET(gpmc_advn_ale), MODE(0) | PULLUDEN | PULLDOWN_EN}, /* ALE */ {OFFSET(gpmc_oen_ren), MODE(0) | PULLUDEN | PULLDOWN_EN},/* OEn_REN */ {OFFSET(gpmc_be0n_cle), MODE(0) | PULLUDEN | PULLDOWN_EN},/* unused */ {OFFSET(gpmc_wen), MODE(0) | PULLUDEN | PULLDOWN_EN}, /* WEN */ {OFFSET(gpmc_wait0), MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE},/*WAIT*/ {-1}, }; #endif static struct module_pin_mux uart3_icev2_pin_mux[] = { {OFFSET(mii1_rxd3), (MODE(1) | PULLUP_EN | RXACTIVE)}, /* UART3_RXD */ {OFFSET(mii1_rxd2), MODE(1) | PULLUDEN}, /* UART3_TXD */ {-1}, }; #if defined(CONFIG_NOR_BOOT) void enable_norboot_pin_mux(void) { configure_module_pin_mux(bone_norcape_pin_mux); } #endif void enable_uart0_pin_mux(void) { configure_module_pin_mux(uart0_pin_mux); configure_module_pin_mux(gpio2_2_pin_mux); //hang(); } void enable_uart1_pin_mux(void) { configure_module_pin_mux(uart1_pin_mux); } void enable_uart2_pin_mux(void) { configure_module_pin_mux(uart2_pin_mux); } void enable_uart3_pin_mux(void) { configure_module_pin_mux(uart3_pin_mux); } void enable_uart4_pin_mux(void) { configure_module_pin_mux(uart4_pin_mux); } void enable_uart5_pin_mux(void) { configure_module_pin_mux(uart5_pin_mux); } void enable_i2c0_pin_mux(void) { configure_module_pin_mux(i2c0_pin_mux); } /* * The AM335x GP EVM, if daughter card(s) are connected, can have 8 * different profiles. These profiles determine what peripherals are * valid and need pinmux to be configured. */ #define PROFILE_NONE 0x0 #define PROFILE_0 (1 << 0) #define PROFILE_1 (1 << 1) #define PROFILE_2 (1 << 2) #define PROFILE_3 (1 << 3) #define PROFILE_4 (1 << 4) #define PROFILE_5 (1 << 5) #define PROFILE_6 (1 << 6) #define PROFILE_7 (1 << 7) #define PROFILE_MASK 0x7 #define PROFILE_ALL 0xFF /* CPLD registers */ #define I2C_CPLD_ADDR 0x35 #define CFG_REG 0x10 static unsigned short detect_daughter_board_profile(void) { unsigned short val; if (i2c_probe(I2C_CPLD_ADDR)) return PROFILE_NONE; if (i2c_read(I2C_CPLD_ADDR, CFG_REG, 1, (unsigned char *)(&val), 2)) return PROFILE_NONE; return (1 << (val & PROFILE_MASK)); } void enable_board_pin_mux(void) { /* Do board-specific muxes. */ if (board_is_bone()) { /* Beaglebone pinmux */ printf("here \n"); configure_module_pin_mux(mii1_pin_mux);//goes to arch/arm/cpu/armv7/am33xx mux.c configure_module_pin_mux(mmc0_pin_mux); configure_module_pin_mux(gpio2_2_pin_mux);//added this to test muxing of gpio2_2 on P8 header #if defined(CONFIG_NAND) configure_module_pin_mux(nand_pin_mux); #elif defined(CONFIG_NOR) configure_module_pin_mux(bone_norcape_pin_mux); #else configure_module_pin_mux(mmc1_pin_mux); #endif } else if (board_is_gp_evm()) { /* General Purpose EVM */ unsigned short profile = detect_daughter_board_profile(); configure_module_pin_mux(rgmii1_pin_mux); configure_module_pin_mux(mmc0_pin_mux); /* In profile #2 i2c1 and spi0 conflict. */ if (profile & ~PROFILE_2) configure_module_pin_mux(i2c1_pin_mux); /* Profiles 2 & 3 don't have NAND */ #ifdef CONFIG_NAND if (profile & ~(PROFILE_2 | PROFILE_3)) configure_module_pin_mux(nand_pin_mux); #endif else if (profile == PROFILE_2) { configure_module_pin_mux(mmc1_pin_mux); configure_module_pin_mux(spi0_pin_mux); } } else if (board_is_idk()) { /* Industrial Motor Control (IDK) */ configure_module_pin_mux(mii1_pin_mux); configure_module_pin_mux(mmc0_no_cd_pin_mux); } else if (board_is_evm_sk()) { /* 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()) { /* Beaglebone LT pinmux */ configure_module_pin_mux(mii1_pin_mux); configure_module_pin_mux(mmc0_pin_mux); #if defined(CONFIG_NAND) && defined(CONFIG_EMMC_BOOT) configure_module_pin_mux(nand_pin_mux); #elif defined(CONFIG_NOR) && defined(CONFIG_EMMC_BOOT) configure_module_pin_mux(bone_norcape_pin_mux); #else configure_module_pin_mux(mmc1_pin_mux); #endif } else if (board_is_icev2()) { configure_module_pin_mux(mmc0_pin_mux); configure_module_pin_mux(gpio0_18_pin_mux); configure_module_pin_mux(uart3_icev2_pin_mux); configure_module_pin_mux(rmii1_pin_mux); configure_module_pin_mux(spi0_pin_mux); } else { puts("Unknown board, cannot configure pinmux."); hang(); } }