/* * 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 "board.h" 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 i2c0_pin_mux[] = { {OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN | SLEWCTRL)}, /* I2C_DATA */ {OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN | SLEWCTRL)}, /* I2C_SCLK */ {-1}, }; /* V2OK */ static struct module_pin_mux uart0_disabled_netbird_pin_mux[] = { /* Leave UART0 unconfigured because we want to configure it as needed by linux (can/spi/uart/etc) */ {OFFSET(uart0_rxd), (MODE(7) | PULLUDDIS | RXACTIVE)}, /* (E15) UART0_RXD */ {OFFSET(uart0_txd), (MODE(7) | PULLUDDIS | RXACTIVE)}, /* (E16) UART0_TXD */ {OFFSET(uart0_ctsn), (MODE(7) | PULLUDDIS | RXACTIVE )}, /* (E18) UART0_CTSN */ {OFFSET(uart0_rtsn), (MODE(7) | PULLUDEN | PULLUP_EN )}, /* (E17) UART0_RTSN */ {-1}, }; static struct module_pin_mux uart0_netbird_pin_mux[] = { /* Leave UART0 unconfigured because we want to configure it as needed by linux (can/spi/uart/etc) */ {OFFSET(uart0_rxd), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (E15) UART0_RXD */ {OFFSET(uart0_txd), (MODE(0) | PULLUDEN | PULLUP_EN)}, /* (E16) UART0_TXD */ {-1}, }; /* V2OK */ static struct module_pin_mux uart1_netbird_pin_mux[] = { {OFFSET(uart1_rxd), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (D16) uart1_rxd.uart1_rxd */ {OFFSET(uart1_txd), (MODE(0) | PULLUDEN | PULLUP_EN)}, /* (D15) uart1_txd.uart1_txd */ {-1}, }; /* V2OK */ static struct module_pin_mux rmii1_netbird_pin_mux[] = { {OFFSET(mii1_crs), MODE(1) | PULLUDDIS | RXACTIVE}, /* (H17) mii1_crs.rmii1_crs */ {OFFSET(mii1_rxerr), MODE(1) | PULLUDDIS | RXACTIVE}, /* (J15) mii1_rxerr.rmii1_rxerr */ {OFFSET(mii1_txen), MODE(1) | PULLUDDIS }, /* (J16) mii1_txen.rmii1_txen */ {OFFSET(mii1_txd0), MODE(1) | PULLUDDIS }, /* (K17) mii1_txd0.rmii1_txd0 */ {OFFSET(mii1_txd1), MODE(1) | PULLUDDIS }, /* (K16) mii1_txd1.rmii1_txd1 */ {OFFSET(mii1_rxd0), MODE(1) | PULLUDDIS | RXACTIVE }, /* (M16) mii1_rxd0.rmii1_rxd0 */ {OFFSET(mii1_rxd1), MODE(1) | PULLUDDIS | RXACTIVE }, /* (L15) mii1_rxd1.rmii1_rxd1 */ {OFFSET(rmii1_refclk), MODE(0) | PULLUDDIS | RXACTIVE}, /* (H18) rmii1_refclk.rmii1_refclk */ {OFFSET(mdio_clk), MODE(0) | PULLUDDIS }, /* (M18) mdio_clk.mdio_clk */ {OFFSET(mdio_data), MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE }, /* (M17) mido_data.mdio_data */ {OFFSET(xdma_event_intr0), MODE(3) }, /* (A15) xdma_event_intr0.clkout1 (25 MHz clk for MDIO) */ {-1}, }; static struct module_pin_mux mmc0_sdio_netbird_pin_mux[] = { {OFFSET(mmc0_clk), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* MMC0_CLK */ {OFFSET(mmc0_cmd), (MODE(0) | PULLUDEN | PULLUP_EN)}, /* MMC0_CMD */ {OFFSET(mmc0_dat0), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC0_DAT0 */ {OFFSET(mmc0_dat1), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC0_DAT1 */ {OFFSET(mmc0_dat2), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC0_DAT2 */ {OFFSET(mmc0_dat3), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC0_DAT3 */ {-1}, }; static struct module_pin_mux mmc1_emmc_netbird_pin_mux[] = { {OFFSET(gpmc_csn1), (MODE(2) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* MMC1_CLK */ {OFFSET(gpmc_csn2), (MODE(2) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* MMC1_CMD */ {OFFSET(gpmc_ad0), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT0 */ {OFFSET(gpmc_ad1), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT1 */ {OFFSET(gpmc_ad2), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT2 */ {OFFSET(gpmc_ad3), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT3 */ {OFFSET(gpmc_ad4), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT3 */ {OFFSET(gpmc_ad5), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT3 */ {OFFSET(gpmc_ad6), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT3 */ {OFFSET(gpmc_ad7), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT3 */ {-1}, }; static struct module_pin_mux gpio_netbird_pin_mux[] = { /* Bank 0 */ {OFFSET(spi0_sclk), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (A17) spi0_sclk.gpio0[2] */ /* BUTTON */ {OFFSET(ecap0_in_pwm0_out), (MODE(7) | PULLUDEN | PULLUP_EN)}, /* (C18) eCAP0_in_PWM0_out.gpio0[7] */ /* PWM */ {OFFSET(mii1_txd3), (MODE(7) | PULLUDDIS)}, /* (J18) gmii1_txd3.gpio0[16] */ /* RST_PHY~ */ {OFFSET(gpmc_ad11), (MODE(7) | PULLUDDIS)}, /* (U12) gpmc_ad11.gpio0[27] */ /* RST_EXT~ */ /* Bank 1 */ {OFFSET(gpmc_ad14), (MODE(7) | PULLUDDIS)}, /* (V13) gpmc_ad14.gpio1[14] */ /* LED_A */ {OFFSET(gpmc_ad15), (MODE(7) | PULLUDDIS)}, /* (U13) gpmc_ad15.gpio1[15] */ /* LED_B */ {OFFSET(gpmc_a11), (MODE(7) | PULLUDEN | PULLUP_EN)}, /* (V17) gpmc_a11.gpio1[27] */ /* USB_PWR_EN */ {OFFSET(gpmc_a9), (MODE(7) | PULLUDEN | PULLUP_EN)}, /* (U16) gpmc_a9.gpio1[25] */ /* RST_GSM */ {OFFSET(gpmc_csn3), (MODE(7) | PULLUDEN | PULLUP_EN)}, /* (U17) gpmc_csn3.gpio0[31] */ /* GSM_SUPP_EN */ {OFFSET(gpmc_a5), (MODE(7) | PULLUDEN | PULLUP_EN)}, /* (V15) gpmc_a5.gpio1[21] */ /* GSM_PWR_EN */ /* Bank 2 */ {OFFSET(lcd_data3), (MODE(7) | PULLUDEN| PULLUP_EN)}, /* (V5) lcd_pclk.gpio2[9] */ /* SYSBOOT */ {OFFSET(lcd_data4), (MODE(7) | PULLUDEN| PULLUP_EN)}, /* (V5) lcd_pclk.gpio2[10] */ /* SYSBOOT */ /* Bank 3 */ {OFFSET(mii1_rxdv), (MODE(7) | PULLUDDIS)}, /* (J17) gmii1_rxdv.gpio3[4] */ /* BT_EN */ {OFFSET(mii1_rxdv), (MODE(7) | RXACTIVE)}, /* (K18) gmii1_txclk.gpio3[9] */ /* WLAN_IRQ */ {OFFSET(mii1_rxclk), (MODE(7) | PULLUDDIS)}, /* (L18) gmii1_rxclk.gpio3[10] */ /* WLAN_EN */ {OFFSET(mcasp0_ahclkr), (MODE(4) | PULLUDEN | PULLUP_EN)}, /* (C12) mcasp0_ahclkr.ecap2_in_pwm2_out */ /* WLAN_CLK */ {-1}, }; static struct module_pin_mux usb_netbird_pin_mux[] = { {OFFSET(usb0_drvvbus), (MODE(0) | PULLUDDIS | PULLDOWN_EN)}, /* (F16) USB0_DRVVBUS.USB0_DRVVBUS */ /* PWM */ {OFFSET(usb1_drvvbus), (MODE(0) | PULLUDDIS | PULLDOWN_EN)}, /* (F15) USB1_DRVVBUS.USB1_DRVVBUS */ /* RST_PHY~ */ {-1}, }; static struct module_pin_mux unused_netbird_pin_mux[] = { {OFFSET(lcd_data6), (MODE(7) | PULLUDEN | PULLDOWN_EN)}, /* SYSBOOT6 is not used bulldown active, receiver disabled */ {OFFSET(lcd_data7), (MODE(7) | PULLUDEN | PULLDOWN_EN)}, /* SYSBOOT7 is not used bulldown active, receiver disabled */ {OFFSET(lcd_data10), (MODE(7) | PULLUDEN | PULLDOWN_EN)}, /* SYSBOOT10 is not used bulldown active, receiver disabled */ {OFFSET(lcd_data11), (MODE(7) | PULLUDEN | PULLDOWN_EN)}, /* SYSBOOT11 is not used bulldown active, receiver disabled */ {-1}, }; void enable_uart0_pin_mux(void) { configure_module_pin_mux(uart0_netbird_pin_mux); } void enable_uart0_disabled_pin_mux(void) { configure_module_pin_mux(uart0_disabled_netbird_pin_mux); } void enable_uart1_pin_mux(void) { configure_module_pin_mux(uart1_netbird_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 void enable_board_pin_mux(void) { /* Netbird board */ configure_module_pin_mux(gpio_netbird_pin_mux); configure_module_pin_mux(rmii1_netbird_pin_mux); configure_module_pin_mux(mmc0_sdio_netbird_pin_mux); configure_module_pin_mux(mmc1_emmc_netbird_pin_mux); configure_module_pin_mux(usb_netbird_pin_mux); configure_module_pin_mux(i2c0_pin_mux); configure_module_pin_mux(unused_netbird_pin_mux); }