uboot/board/ti/am43xx/mux.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * mux.c
   4 *
   5 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
   6 */
   7
   8#include <common.h>
   9#include <asm/arch/sys_proto.h>
  10#include <asm/arch/mux.h>
  11#include "../common/board_detect.h"
  12#include "board.h"
  13
  14static struct module_pin_mux rmii1_pin_mux[] = {
  15        {OFFSET(mii1_txen), MODE(1)},                   /* RMII1_TXEN */
  16        {OFFSET(mii1_txd1), MODE(1)},                   /* RMII1_TD1 */
  17        {OFFSET(mii1_txd0), MODE(1)},                   /* RMII1_TD0 */
  18        {OFFSET(mii1_rxd1), MODE(1) | RXACTIVE},        /* RMII1_RD1 */
  19        {OFFSET(mii1_rxd0), MODE(1) | RXACTIVE},        /* RMII1_RD0 */
  20        {OFFSET(mii1_rxdv), MODE(1) | RXACTIVE},        /* RMII1_RXDV */
  21        {OFFSET(mii1_crs), MODE(1) | RXACTIVE},         /* RMII1_CRS_DV */
  22        {OFFSET(mii1_rxerr), MODE(1) | RXACTIVE},       /* RMII1_RXERR */
  23        {OFFSET(rmii1_refclk), MODE(0) | RXACTIVE},     /* RMII1_refclk */
  24        {-1},
  25};
  26
  27static struct module_pin_mux rgmii1_pin_mux[] = {
  28        {OFFSET(mii1_txen), MODE(2)},                   /* RGMII1_TCTL */
  29        {OFFSET(mii1_rxdv), MODE(2) | RXACTIVE},        /* RGMII1_RCTL */
  30        {OFFSET(mii1_txd3), MODE(2)},                   /* RGMII1_TD3 */
  31        {OFFSET(mii1_txd2), MODE(2)},                   /* RGMII1_TD2 */
  32        {OFFSET(mii1_txd1), MODE(2)},                   /* RGMII1_TD1 */
  33        {OFFSET(mii1_txd0), MODE(2)},                   /* RGMII1_TD0 */
  34        {OFFSET(mii1_txclk), MODE(2)},                  /* RGMII1_TCLK */
  35        {OFFSET(mii1_rxclk), MODE(2) | RXACTIVE},       /* RGMII1_RCLK */
  36        {OFFSET(mii1_rxd3), MODE(2) | RXACTIVE},        /* RGMII1_RD3 */
  37        {OFFSET(mii1_rxd2), MODE(2) | RXACTIVE},        /* RGMII1_RD2 */
  38        {OFFSET(mii1_rxd1), MODE(2) | RXACTIVE},        /* RGMII1_RD1 */
  39        {OFFSET(mii1_rxd0), MODE(2) | RXACTIVE},        /* RGMII1_RD0 */
  40        {-1},
  41};
  42
  43static struct module_pin_mux mdio_pin_mux[] = {
  44        {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},/* MDIO_DATA */
  45        {OFFSET(mdio_clk), MODE(0) | PULLUP_EN},        /* MDIO_CLK */
  46        {-1},
  47};
  48
  49static struct module_pin_mux uart0_pin_mux[] = {
  50        {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
  51        {OFFSET(uart0_txd), (MODE(0) | PULLUDDIS | PULLUP_EN | SLEWCTRL)},
  52        {-1},
  53};
  54
  55static struct module_pin_mux mmc0_pin_mux[] = {
  56        {OFFSET(mmc0_clk), (MODE(0) | PULLUDDIS | RXACTIVE)},  /* MMC0_CLK */
  57        {OFFSET(mmc0_cmd), (MODE(0) | PULLUP_EN | RXACTIVE)},  /* MMC0_CMD */
  58        {OFFSET(mmc0_dat0), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* MMC0_DAT0 */
  59        {OFFSET(mmc0_dat1), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* MMC0_DAT1 */
  60        {OFFSET(mmc0_dat2), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* MMC0_DAT2 */
  61        {OFFSET(mmc0_dat3), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* MMC0_DAT3 */
  62        {-1},
  63};
  64
  65static struct module_pin_mux i2c0_pin_mux[] = {
  66        {OFFSET(i2c0_sda), (MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
  67        {OFFSET(i2c0_scl), (MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
  68        {-1},
  69};
  70
  71static struct module_pin_mux gpio5_7_pin_mux[] = {
  72        {OFFSET(spi0_cs0), (MODE(7) | PULLUP_EN)},      /* GPIO5_7 */
  73        {-1},
  74};
  75
  76#ifdef CONFIG_MTD_RAW_NAND
  77static struct module_pin_mux nand_pin_mux[] = {
  78        {OFFSET(gpmc_ad0),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD0 */
  79        {OFFSET(gpmc_ad1),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD1 */
  80        {OFFSET(gpmc_ad2),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD2 */
  81        {OFFSET(gpmc_ad3),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD3 */
  82        {OFFSET(gpmc_ad4),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD4 */
  83        {OFFSET(gpmc_ad5),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD5 */
  84        {OFFSET(gpmc_ad6),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD6 */
  85        {OFFSET(gpmc_ad7),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD7 */
  86#ifdef CONFIG_SYS_NAND_BUSWIDTH_16BIT
  87        {OFFSET(gpmc_ad8),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD8  */
  88        {OFFSET(gpmc_ad9),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD9  */
  89        {OFFSET(gpmc_ad10),     (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD10 */
  90        {OFFSET(gpmc_ad11),     (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD11 */
  91        {OFFSET(gpmc_ad12),     (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD12 */
  92        {OFFSET(gpmc_ad13),     (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD13 */
  93        {OFFSET(gpmc_ad14),     (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD14 */
  94        {OFFSET(gpmc_ad15),     (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD15 */
  95#endif
  96        {OFFSET(gpmc_wait0),    (MODE(0) | RXACTIVE | PULLUP_EN)}, /* Wait */
  97        {OFFSET(gpmc_wpn),      (MODE(7) | PULLUP_EN)}, /* Write Protect */
  98        {OFFSET(gpmc_csn0),     (MODE(0) | PULLUP_EN)}, /* Chip-Select */
  99        {OFFSET(gpmc_wen),      (MODE(0) | PULLDOWN_EN)}, /* Write Enable */
 100        {OFFSET(gpmc_oen_ren),  (MODE(0) | PULLDOWN_EN)}, /* Read Enable */
 101        {OFFSET(gpmc_advn_ale), (MODE(0) | PULLDOWN_EN)}, /* Addr Latch Enable*/
 102        {OFFSET(gpmc_be0n_cle), (MODE(0) | PULLDOWN_EN)}, /* Byte Enable */
 103        {-1},
 104};
 105#endif
 106
 107static __maybe_unused struct module_pin_mux qspi_pin_mux[] = {
 108        {OFFSET(gpmc_csn0), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_CS0 */
 109        {OFFSET(gpmc_csn3), (MODE(2) | PULLUP_EN | RXACTIVE)}, /* QSPI_CLK */
 110        {OFFSET(gpmc_advn_ale), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_D0 */
 111        {OFFSET(gpmc_oen_ren), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_D1 */
 112        {OFFSET(gpmc_wen), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_D2 */
 113        {OFFSET(gpmc_be0n_cle), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_D3 */
 114        {-1},
 115};
 116
 117void enable_uart0_pin_mux(void)
 118{
 119        configure_module_pin_mux(uart0_pin_mux);
 120}
 121
 122void enable_board_pin_mux(void)
 123{
 124        configure_module_pin_mux(mmc0_pin_mux);
 125        configure_module_pin_mux(i2c0_pin_mux);
 126        configure_module_pin_mux(mdio_pin_mux);
 127
 128        if (board_is_evm()) {
 129                configure_module_pin_mux(gpio5_7_pin_mux);
 130                configure_module_pin_mux(rgmii1_pin_mux);
 131#if defined(CONFIG_MTD_RAW_NAND)
 132                configure_module_pin_mux(nand_pin_mux);
 133#endif
 134        } else if (board_is_sk() || board_is_idk()) {
 135                configure_module_pin_mux(rgmii1_pin_mux);
 136#if defined(CONFIG_MTD_RAW_NAND)
 137                printf("Error: NAND flash not present on this board\n");
 138#endif
 139                configure_module_pin_mux(qspi_pin_mux);
 140        } else if (board_is_eposevm()) {
 141                configure_module_pin_mux(rmii1_pin_mux);
 142#if defined(CONFIG_MTD_RAW_NAND)
 143                configure_module_pin_mux(nand_pin_mux);
 144#else
 145                configure_module_pin_mux(qspi_pin_mux);
 146#endif
 147        }
 148}
 149
 150void enable_i2c0_pin_mux(void)
 151{
 152        configure_module_pin_mux(i2c0_pin_mux);
 153}
 154