230 lines
9.4 KiB
C
230 lines
9.4 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 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 i2c0_pin_mux[] = {
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{OFFSET(i2c0_sda), (MODE(0) | RXACTIVE |
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PULLUDEN | PULLUP_EN | SLEWCTRL)}, /* I2C_DATA */
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{OFFSET(i2c0_scl), (MODE(0) | RXACTIVE |
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PULLUDEN | PULLUP_EN | SLEWCTRL)}, /* I2C_SCLK */
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{-1},
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};
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/* V2OK */
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static struct module_pin_mux uart0_disabled_netbird_pin_mux[] = {
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/* Leave UART0 unconfigured because we want to configure it as needed by linux (can/spi/uart/etc) */
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{OFFSET(uart0_rxd), (MODE(7) | PULLUDDIS | RXACTIVE)}, /* (E15) UART0_RXD */
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{OFFSET(uart0_txd), (MODE(7) | PULLUDDIS | RXACTIVE)}, /* (E16) UART0_TXD */
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{OFFSET(uart0_ctsn), (MODE(7) | PULLUDDIS | RXACTIVE )}, /* (E18) UART0_CTSN */
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{OFFSET(uart0_rtsn), (MODE(7) | PULLUDEN | PULLUP_EN )}, /* (E17) UART0_RTSN */
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{-1},
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};
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static struct module_pin_mux uart0_netbird_pin_mux[] = {
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/* Leave UART0 unconfigured because we want to configure it as needed by linux (can/spi/uart/etc) */
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{OFFSET(uart0_rxd), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (E15) UART0_RXD */
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{OFFSET(uart0_txd), (MODE(0) | PULLUDEN | PULLUP_EN)}, /* (E16) UART0_TXD */
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{-1},
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};
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/* V2OK */
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static struct module_pin_mux uart1_netbird_pin_mux[] = {
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{OFFSET(uart1_rxd), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (D16) uart1_rxd.uart1_rxd */
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{OFFSET(uart1_txd), (MODE(0) | PULLUDEN | PULLUP_EN)}, /* (D15) uart1_txd.uart1_txd */
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{-1},
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};
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/* V2OK */
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static struct module_pin_mux rmii1_netbird_pin_mux[] = {
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{OFFSET(mii1_crs), MODE(1) | PULLUDDIS | RXACTIVE}, /* (H17) mii1_crs.rmii1_crs */
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{OFFSET(mii1_rxerr), MODE(1) | PULLUDDIS | RXACTIVE}, /* (J15) mii1_rxerr.rmii1_rxerr */
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{OFFSET(mii1_txen), MODE(1) | PULLUDDIS }, /* (J16) mii1_txen.rmii1_txen */
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{OFFSET(mii1_txd0), MODE(1) | PULLUDDIS }, /* (K17) mii1_txd0.rmii1_txd0 */
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{OFFSET(mii1_txd1), MODE(1) | PULLUDDIS }, /* (K16) mii1_txd1.rmii1_txd1 */
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{OFFSET(mii1_rxd0), MODE(1) | PULLUDDIS | RXACTIVE }, /* (M16) mii1_rxd0.rmii1_rxd0 */
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{OFFSET(mii1_rxd1), MODE(1) | PULLUDDIS | RXACTIVE }, /* (L15) mii1_rxd1.rmii1_rxd1 */
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{OFFSET(rmii1_refclk), MODE(0) | PULLUDDIS | RXACTIVE}, /* (H18) rmii1_refclk.rmii1_refclk */
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{OFFSET(mdio_clk), MODE(0) | PULLUDDIS }, /* (M18) mdio_clk.mdio_clk */
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{OFFSET(mdio_data), MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE }, /* (M17) mido_data.mdio_data */
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{OFFSET(xdma_event_intr0), MODE(3) }, /* (A15) xdma_event_intr0.clkout1 (25 MHz clk for MDIO) */
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{-1},
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};
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static struct module_pin_mux mmc0_sdio_netbird_pin_mux[] = {
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{OFFSET(mmc0_clk), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* MMC0_CLK */
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{OFFSET(mmc0_cmd), (MODE(0) | PULLUDEN | PULLUP_EN)}, /* MMC0_CMD */
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{OFFSET(mmc0_dat0), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC0_DAT0 */
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{OFFSET(mmc0_dat1), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC0_DAT1 */
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{OFFSET(mmc0_dat2), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC0_DAT2 */
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{OFFSET(mmc0_dat3), (MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC0_DAT3 */
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{-1},
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};
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static struct module_pin_mux mmc1_emmc_netbird_pin_mux[] = {
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{OFFSET(gpmc_csn1), (MODE(2) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* MMC1_CLK */
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{OFFSET(gpmc_csn2), (MODE(2) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* MMC1_CMD */
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{OFFSET(gpmc_ad0), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT0 */
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{OFFSET(gpmc_ad1), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT1 */
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{OFFSET(gpmc_ad2), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT2 */
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{OFFSET(gpmc_ad3), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT3 */
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{OFFSET(gpmc_ad4), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT3 */
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{OFFSET(gpmc_ad5), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT3 */
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{OFFSET(gpmc_ad6), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT3 */
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{OFFSET(gpmc_ad7), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE )}, /* MMC1_DAT3 */
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{-1},
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};
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static struct module_pin_mux gpio_netbird_pin_mux[] = {
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/* Bank 0 */
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{OFFSET(spi0_sclk), (MODE(7) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (A17) spi0_sclk.gpio0[2] */ /* BUTTON */
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{OFFSET(ecap0_in_pwm0_out), (MODE(7) | PULLUDEN | PULLUP_EN)}, /* (C18) eCAP0_in_PWM0_out.gpio0[7] */ /* PWM */
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{OFFSET(mii1_txd3), (MODE(7) | PULLUDDIS)}, /* (J18) gmii1_txd3.gpio0[16] */ /* RST_PHY~ */
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{OFFSET(gpmc_ad11), (MODE(7) | PULLUDDIS)}, /* (U12) gpmc_ad11.gpio0[27] */ /* RST_EXT~ */
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/* Bank 1 */
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{OFFSET(gpmc_ad14), (MODE(7) | PULLUDDIS)}, /* (V13) gpmc_ad14.gpio1[14] */ /* LED_A */
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{OFFSET(gpmc_ad15), (MODE(7) | PULLUDDIS)}, /* (U13) gpmc_ad15.gpio1[15] */ /* LED_B */
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{OFFSET(gpmc_a11), (MODE(7) | PULLUDEN | PULLUP_EN)}, /* (V17) gpmc_a11.gpio1[27] */ /* USB_PWR_EN */
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{OFFSET(gpmc_a9), (MODE(7) | PULLUDEN | PULLUP_EN)}, /* (U16) gpmc_a9.gpio1[25] */ /* RST_GSM */
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{OFFSET(gpmc_csn3), (MODE(7) | PULLUDEN | PULLUP_EN)}, /* (U17) gpmc_csn3.gpio0[31] */ /* GSM_SUPP_EN */
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{OFFSET(gpmc_a5), (MODE(7) | PULLUDEN | PULLUP_EN)}, /* (V15) gpmc_a5.gpio1[21] */ /* GSM_PWR_EN */
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/* Bank 2 */
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{OFFSET(lcd_data3), (MODE(7) | PULLUDEN| PULLUP_EN)}, /* (V5) lcd_pclk.gpio2[9] */ /* SYSBOOT */
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{OFFSET(lcd_data4), (MODE(7) | PULLUDEN| PULLUP_EN)}, /* (V5) lcd_pclk.gpio2[10] */ /* SYSBOOT */
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/* Bank 3 */
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{OFFSET(mii1_rxdv), (MODE(7) | PULLUDDIS)}, /* (J17) gmii1_rxdv.gpio3[4] */ /* BT_EN */
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{OFFSET(mii1_rxdv), (MODE(7) | RXACTIVE)}, /* (K18) gmii1_txclk.gpio3[9] */ /* WLAN_IRQ */
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{OFFSET(mii1_rxclk), (MODE(7) | PULLUDDIS)}, /* (L18) gmii1_rxclk.gpio3[10] */ /* WLAN_EN */
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{OFFSET(mcasp0_ahclkr), (MODE(4) | PULLUDEN | PULLUP_EN)}, /* (C12) mcasp0_ahclkr.ecap2_in_pwm2_out */ /* WLAN_CLK */
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{-1},
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};
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static struct module_pin_mux usb_netbird_pin_mux[] = {
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{OFFSET(usb0_drvvbus), (MODE(0) | PULLUDDIS | PULLDOWN_EN)}, /* (F16) USB0_DRVVBUS.USB0_DRVVBUS */ /* PWM */
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{OFFSET(usb1_drvvbus), (MODE(0) | PULLUDDIS | PULLDOWN_EN)}, /* (F15) USB1_DRVVBUS.USB1_DRVVBUS */ /* RST_PHY~ */
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{-1},
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};
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static struct module_pin_mux unused_netbird_pin_mux[] = {
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{OFFSET(lcd_data6), (MODE(7) | PULLUDEN | PULLDOWN_EN)}, /* SYSBOOT6 is not used bulldown active, receiver disabled */
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{OFFSET(lcd_data7), (MODE(7) | PULLUDEN | PULLDOWN_EN)}, /* SYSBOOT7 is not used bulldown active, receiver disabled */
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{OFFSET(lcd_data10), (MODE(7) | PULLUDEN | PULLDOWN_EN)}, /* SYSBOOT10 is not used bulldown active, receiver disabled */
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{OFFSET(lcd_data11), (MODE(7) | PULLUDEN | PULLDOWN_EN)}, /* SYSBOOT11 is not used bulldown active, receiver disabled */
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{-1},
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};
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void enable_uart0_pin_mux(void)
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{
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configure_module_pin_mux(uart0_netbird_pin_mux);
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}
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void enable_uart0_disabled_pin_mux(void)
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{
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configure_module_pin_mux(uart0_disabled_netbird_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_netbird_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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void enable_board_pin_mux(void)
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{
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/* Netbird board */
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configure_module_pin_mux(gpio_netbird_pin_mux);
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configure_module_pin_mux(rmii1_netbird_pin_mux);
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configure_module_pin_mux(mmc0_sdio_netbird_pin_mux);
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configure_module_pin_mux(mmc1_emmc_netbird_pin_mux);
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configure_module_pin_mux(usb_netbird_pin_mux);
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configure_module_pin_mux(i2c0_pin_mux);
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configure_module_pin_mux(unused_netbird_pin_mux);
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}
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