150 lines
5.4 KiB
C
150 lines
5.4 KiB
C
/*
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* mux.c
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*
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* Copyright (C) 2018-2019 NetModule AG - http://www.netmodule.com/
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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 "board.h"
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static struct module_pin_mux gpio_pin_mux[] = {
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/*
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* CPU GPIOs
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*
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* (A17) GPIO0_2: RST_GNSS~
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* (A16) GPIO0_5: EXTINT_GNSS
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* (C15) GPIO0_6: TIMEPULSE, see note [1]
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* (J18) GPIO0_16: RST_PHY~
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*
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* [1] No PU/PD allowed as TIMEPULSE is internally connected with SAFEBOOT_N.
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* SAFEBOOT_N must be left open/floating.
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*/
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/* Bank 0 */
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{OFFSET(spi0_sclk), (MODE(7) | PULLUDDIS)}, /* (A17) gpio0[2] */ /* RST_GNSS */
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{OFFSET(spi0_cs0), (MODE(7) | PULLUDEN | PULLDOWN_EN)}, /* (A16) gpio0[5] */ /* EXTINT_GNSS */
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{OFFSET(spi0_cs1), (MODE(7) | PULLUDDIS | RXACTIVE)}, /* (C15) gpio0[6] */ /* TIMEPULSE */
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{OFFSET(mii1_txd3), (MODE(7) | PULLUDDIS)}, /* (J18) gpio0[16] */ /* RST_PHY~ */
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{OFFSET(mii1_txd2), (MODE(7) | PULLUDDIS | RXACTIVE)}, /* (K15) gpio0[17] */ /* PMIC_FAULT */
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{-1}
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};
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/* I2C0 PMIC */
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static struct module_pin_mux i2c0_pin_mux[] = {
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{OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN | SLEWCTRL)}, /* (C17) I2C0_SDA */
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{OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDEN | PULLUP_EN | SLEWCTRL)}, /* (C16) I2C0_SCL */
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{-1}
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};
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/* I2C2 System */
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static struct module_pin_mux i2c2_pin_mux[] = {
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{OFFSET(uart1_rtsn), (MODE(3) | RXACTIVE | PULLUDEN | PULLUP_EN | SLEWCTRL)}, /* (D17) I2C2_SCL */
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{OFFSET(uart1_ctsn), (MODE(3) | RXACTIVE | PULLUDEN | PULLUP_EN | SLEWCTRL)}, /* (D18) I2C2_SDA */
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{-1},
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};
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/* RMII1: Ethernet */
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static struct module_pin_mux rmii1_pin_mux[] = {
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/* RMII */
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{OFFSET(mii1_crs), MODE(1) | PULLUDDIS | RXACTIVE}, /* (H17) rmii1_crs */
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{OFFSET(mii1_rxerr), MODE(7) | PULLUDEN | PULLDOWN_EN | RXACTIVE}, /* (J15) gpio */
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{OFFSET(mii1_rxd0), MODE(1) | PULLUDDIS | RXACTIVE}, /* (M16) rmii1_rxd0 */
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{OFFSET(mii1_rxd1), MODE(1) | PULLUDDIS | RXACTIVE}, /* (L15) rmii1_rxd1 */
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{OFFSET(mii1_txen), MODE(1) | PULLUDDIS}, /* (J16) rmii1_txen */
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{OFFSET(mii1_txd0), MODE(1) | PULLUDDIS}, /* (K17) rmii1_txd0 */
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{OFFSET(mii1_txd1), MODE(1) | PULLUDDIS}, /* (K16) rmii1_txd1 */
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{OFFSET(rmii1_refclk), MODE(0) | PULLUDDIS | RXACTIVE}, /* (H18) rmii1_refclk */
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/* SMI */
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{OFFSET(mdio_clk), MODE(0) | PULLUDDIS}, /* (M18) mdio_clk */
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{OFFSET(mdio_data), MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE}, /* (M17) mdio_data */
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/* 25MHz Clock Output */
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{OFFSET(xdma_event_intr0), MODE(3)}, /* (A15) clkout1 (25 MHz clk for PHY) */
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{-1}
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};
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/* MMC1: eMMC */
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static struct module_pin_mux mmc1_emmc_pin_mux[] = {
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{OFFSET(gpmc_csn1), (MODE(2) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (U9) MMC1_CLK */
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{OFFSET(gpmc_csn2), (MODE(2) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (V9) MMC1_CMD */
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{OFFSET(gpmc_ad0), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (U7) MMC1_DAT0 */
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{OFFSET(gpmc_ad1), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (V7) MMC1_DAT1 */
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{OFFSET(gpmc_ad2), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (R8) MMC1_DAT2 */
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{OFFSET(gpmc_ad3), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (T8) MMC1_DAT3 */
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{OFFSET(gpmc_ad4), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (U8) MMC1_DAT4 */
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{OFFSET(gpmc_ad5), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (V8) MMC1_DAT5 */
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{OFFSET(gpmc_ad6), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (R9) MMC1_DAT6 */
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{OFFSET(gpmc_ad7), (MODE(1) | PULLUDEN | PULLUP_EN | RXACTIVE)}, /* (T9) MMC1_DAT7 */
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{-1}
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};
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/* UART0: RS232 console */
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static struct module_pin_mux uart0_pin_mux[] = {
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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 | SLEWCTRL)}, /* (E16) UART0_TXD */
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{-1},
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};
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/* UART1: GNSS */
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static struct module_pin_mux uart1_pin_mux[] = {
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{OFFSET(uart1_rxd), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* (D16) uart1_rxd */
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{OFFSET(uart1_txd), (MODE(0) | PULLUDDIS | SLEWCTRL)}, /* (D15) uart1_txd */
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{-1},
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};
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static struct module_pin_mux unused_pin_mux[] = {
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/* SYSBOOT6, 7, 10, 11: Not used pulldown active, receiver disabled */
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{OFFSET(lcd_data6), (MODE(7) | PULLUDEN | PULLDOWN_EN)},
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{OFFSET(lcd_data7), (MODE(7) | PULLUDEN | PULLDOWN_EN)},
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{OFFSET(lcd_data10), (MODE(7) | PULLUDEN | PULLDOWN_EN)},
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{OFFSET(lcd_data11), (MODE(7) | PULLUDEN | PULLDOWN_EN)},
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/* TODO: GPMCA1..3, A6..8 */
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{-1}
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};
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void enable_board_pin_mux(void)
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{
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configure_module_pin_mux(gpio_pin_mux);
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configure_module_pin_mux(rmii1_pin_mux);
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configure_module_pin_mux(mmc1_emmc_pin_mux);
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configure_module_pin_mux(i2c0_pin_mux);
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configure_module_pin_mux(i2c2_pin_mux);
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configure_module_pin_mux(uart0_pin_mux);
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configure_module_pin_mux(uart1_pin_mux);
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configure_module_pin_mux(unused_pin_mux);
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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_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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