uboot/board/ti/am335x/mux.c
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   1/*
   2 * mux.c
   3 *
   4 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License as
   8 * published by the Free Software Foundation version 2.
   9 *
  10 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
  11 * kind, whether express or implied; without even the implied warranty
  12 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 * GNU General Public License for more details.
  14 */
  15
  16#include <common.h>
  17#include <asm/arch/sys_proto.h>
  18#include <asm/arch/hardware.h>
  19#include <asm/arch/mux.h>
  20#include <asm/io.h>
  21#include <i2c.h>
  22#include "../common/board_detect.h"
  23#include "board.h"
  24
  25static struct module_pin_mux uart0_pin_mux[] = {
  26        {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},  /* UART0_RXD */
  27        {OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},              /* UART0_TXD */
  28        {-1},
  29};
  30
  31static struct module_pin_mux uart1_pin_mux[] = {
  32        {OFFSET(uart1_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},  /* UART1_RXD */
  33        {OFFSET(uart1_txd), (MODE(0) | PULLUDEN)},              /* UART1_TXD */
  34        {-1},
  35};
  36
  37static struct module_pin_mux uart2_pin_mux[] = {
  38        {OFFSET(spi0_sclk), (MODE(1) | PULLUP_EN | RXACTIVE)},  /* UART2_RXD */
  39        {OFFSET(spi0_d0), (MODE(1) | PULLUDEN)},                /* UART2_TXD */
  40        {-1},
  41};
  42
  43static struct module_pin_mux uart3_pin_mux[] = {
  44        {OFFSET(spi0_cs1), (MODE(1) | PULLUP_EN | RXACTIVE)},   /* UART3_RXD */
  45        {OFFSET(ecap0_in_pwm0_out), (MODE(1) | PULLUDEN)},      /* UART3_TXD */
  46        {-1},
  47};
  48
  49static struct module_pin_mux uart4_pin_mux[] = {
  50        {OFFSET(gpmc_wait0), (MODE(6) | PULLUP_EN | RXACTIVE)}, /* UART4_RXD */
  51        {OFFSET(gpmc_wpn), (MODE(6) | PULLUDEN)},               /* UART4_TXD */
  52        {-1},
  53};
  54
  55static struct module_pin_mux uart5_pin_mux[] = {
  56        {OFFSET(lcd_data9), (MODE(4) | PULLUP_EN | RXACTIVE)},  /* UART5_RXD */
  57        {OFFSET(lcd_data8), (MODE(4) | PULLUDEN)},              /* UART5_TXD */
  58        {-1},
  59};
  60
  61static struct module_pin_mux mmc0_pin_mux[] = {
  62        {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT3 */
  63        {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT2 */
  64        {OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT1 */
  65        {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT0 */
  66        {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)},   /* MMC0_CLK */
  67        {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)},   /* MMC0_CMD */
  68        {OFFSET(mcasp0_aclkr), (MODE(4) | RXACTIVE)},           /* MMC0_WP */
  69        {OFFSET(spi0_cs1), (MODE(7) | RXACTIVE | PULLUP_EN)},   /* GPIO0_6 */
  70        {-1},
  71};
  72
  73static struct module_pin_mux mmc0_no_cd_pin_mux[] = {
  74        {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT3 */
  75        {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT2 */
  76        {OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT1 */
  77        {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT0 */
  78        {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)},   /* MMC0_CLK */
  79        {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)},   /* MMC0_CMD */
  80        {OFFSET(mcasp0_aclkr), (MODE(4) | RXACTIVE)},           /* MMC0_WP */
  81        {-1},
  82};
  83
  84static struct module_pin_mux mmc0_pin_mux_sk_evm[] = {
  85        {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT3 */
  86        {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT2 */
  87        {OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT1 */
  88        {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT0 */
  89        {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)},   /* MMC0_CLK */
  90        {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)},   /* MMC0_CMD */
  91        {OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)},   /* MMC0_CD */
  92        {-1},
  93};
  94
  95static struct module_pin_mux mmc1_pin_mux[] = {
  96        {OFFSET(gpmc_ad7), (MODE(1) | RXACTIVE | PULLUP_EN)},   /* MMC1_DAT7 */
  97        {OFFSET(gpmc_ad6), (MODE(1) | RXACTIVE | PULLUP_EN)},   /* MMC1_DAT6 */
  98        {OFFSET(gpmc_ad5), (MODE(1) | RXACTIVE | PULLUP_EN)},   /* MMC1_DAT5 */
  99        {OFFSET(gpmc_ad4), (MODE(1) | RXACTIVE | PULLUP_EN)},   /* MMC1_DAT4 */
 100        {OFFSET(gpmc_ad3), (MODE(1) | RXACTIVE | PULLUP_EN)},   /* MMC1_DAT3 */
 101        {OFFSET(gpmc_ad2), (MODE(1) | RXACTIVE | PULLUP_EN)},   /* MMC1_DAT2 */
 102        {OFFSET(gpmc_ad1), (MODE(1) | RXACTIVE | PULLUP_EN)},   /* MMC1_DAT1 */
 103        {OFFSET(gpmc_ad0), (MODE(1) | RXACTIVE | PULLUP_EN)},   /* MMC1_DAT0 */
 104        {OFFSET(gpmc_csn1), (MODE(2) | RXACTIVE | PULLUP_EN)},  /* MMC1_CLK */
 105        {OFFSET(gpmc_csn2), (MODE(2) | RXACTIVE | PULLUP_EN)},  /* MMC1_CMD */
 106        {OFFSET(gpmc_csn0), (MODE(7) | RXACTIVE | PULLUP_EN)},  /* MMC1_WP */
 107        {OFFSET(gpmc_advn_ale), (MODE(7) | RXACTIVE | PULLUP_EN)},      /* MMC1_CD */
 108        {-1},
 109};
 110
 111static struct module_pin_mux i2c0_pin_mux[] = {
 112        {OFFSET(i2c0_sda), (MODE(0) | RXACTIVE |
 113                        PULLUDEN | SLEWCTRL)}, /* I2C_DATA */
 114        {OFFSET(i2c0_scl), (MODE(0) | RXACTIVE |
 115                        PULLUDEN | SLEWCTRL)}, /* I2C_SCLK */
 116        {-1},
 117};
 118
 119static struct module_pin_mux i2c1_pin_mux[] = {
 120        {OFFSET(spi0_d1), (MODE(2) | RXACTIVE |
 121                        PULLUDEN | SLEWCTRL)},  /* I2C_DATA */
 122        {OFFSET(spi0_cs0), (MODE(2) | RXACTIVE |
 123                        PULLUDEN | SLEWCTRL)},  /* I2C_SCLK */
 124        {-1},
 125};
 126
 127static struct module_pin_mux i2c2_pin_mux[] = {
 128        {OFFSET(uart1_ctsn), (MODE(3) | RXACTIVE |
 129                        PULLUDEN | PULLUP_EN | SLEWCTRL)},      /* I2C_DATA */
 130        {OFFSET(uart1_rtsn), (MODE(3) | RXACTIVE |
 131                        PULLUDEN | PULLUP_EN | SLEWCTRL)},      /* I2C_SCLK */
 132        {-1},
 133};
 134
 135static struct module_pin_mux spi0_pin_mux[] = {
 136        {OFFSET(spi0_sclk), (MODE(0) | RXACTIVE | PULLUDEN)},   /* SPI0_SCLK */
 137        {OFFSET(spi0_d0), (MODE(0) | RXACTIVE |
 138                        PULLUDEN | PULLUP_EN)},                 /* SPI0_D0 */
 139        {OFFSET(spi0_d1), (MODE(0) | RXACTIVE | PULLUDEN)},     /* SPI0_D1 */
 140        {OFFSET(spi0_cs0), (MODE(0) | RXACTIVE |
 141                        PULLUDEN | PULLUP_EN)},                 /* SPI0_CS0 */
 142        {-1},
 143};
 144
 145static struct module_pin_mux gpio0_7_pin_mux[] = {
 146        {OFFSET(ecap0_in_pwm0_out), (MODE(7) | PULLUDEN)},      /* GPIO0_7 */
 147        {-1},
 148};
 149
 150static struct module_pin_mux gpio0_18_pin_mux[] = {
 151        {OFFSET(usb0_drvvbus), (MODE(7) | PULLUDEN)},   /* GPIO0_18 */
 152        {-1},
 153};
 154
 155static struct module_pin_mux rgmii1_pin_mux[] = {
 156        {OFFSET(mii1_txen), MODE(2)},                   /* RGMII1_TCTL */
 157        {OFFSET(mii1_rxdv), MODE(2) | RXACTIVE},        /* RGMII1_RCTL */
 158        {OFFSET(mii1_txd3), MODE(2)},                   /* RGMII1_TD3 */
 159        {OFFSET(mii1_txd2), MODE(2)},                   /* RGMII1_TD2 */
 160        {OFFSET(mii1_txd1), MODE(2)},                   /* RGMII1_TD1 */
 161        {OFFSET(mii1_txd0), MODE(2)},                   /* RGMII1_TD0 */
 162        {OFFSET(mii1_txclk), MODE(2)},                  /* RGMII1_TCLK */
 163        {OFFSET(mii1_rxclk), MODE(2) | RXACTIVE},       /* RGMII1_RCLK */
 164        {OFFSET(mii1_rxd3), MODE(2) | RXACTIVE},        /* RGMII1_RD3 */
 165        {OFFSET(mii1_rxd2), MODE(2) | RXACTIVE},        /* RGMII1_RD2 */
 166        {OFFSET(mii1_rxd1), MODE(2) | RXACTIVE},        /* RGMII1_RD1 */
 167        {OFFSET(mii1_rxd0), MODE(2) | RXACTIVE},        /* RGMII1_RD0 */
 168        {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},/* MDIO_DATA */
 169        {OFFSET(mdio_clk), MODE(0) | PULLUP_EN},        /* MDIO_CLK */
 170        {-1},
 171};
 172
 173static struct module_pin_mux mii1_pin_mux[] = {
 174        {OFFSET(mii1_rxerr), MODE(0) | RXACTIVE},       /* MII1_RXERR */
 175        {OFFSET(mii1_txen), MODE(0)},                   /* MII1_TXEN */
 176        {OFFSET(mii1_rxdv), MODE(0) | RXACTIVE},        /* MII1_RXDV */
 177        {OFFSET(mii1_txd3), MODE(0)},                   /* MII1_TXD3 */
 178        {OFFSET(mii1_txd2), MODE(0)},                   /* MII1_TXD2 */
 179        {OFFSET(mii1_txd1), MODE(0)},                   /* MII1_TXD1 */
 180        {OFFSET(mii1_txd0), MODE(0)},                   /* MII1_TXD0 */
 181        {OFFSET(mii1_txclk), MODE(0) | RXACTIVE},       /* MII1_TXCLK */
 182        {OFFSET(mii1_rxclk), MODE(0) | RXACTIVE},       /* MII1_RXCLK */
 183        {OFFSET(mii1_rxd3), MODE(0) | RXACTIVE},        /* MII1_RXD3 */
 184        {OFFSET(mii1_rxd2), MODE(0) | RXACTIVE},        /* MII1_RXD2 */
 185        {OFFSET(mii1_rxd1), MODE(0) | RXACTIVE},        /* MII1_RXD1 */
 186        {OFFSET(mii1_rxd0), MODE(0) | RXACTIVE},        /* MII1_RXD0 */
 187        {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN}, /* MDIO_DATA */
 188        {OFFSET(mdio_clk), MODE(0) | PULLUP_EN},        /* MDIO_CLK */
 189        {-1},
 190};
 191
 192static struct module_pin_mux rmii1_pin_mux[] = {
 193        {OFFSET(mdio_clk), MODE(0) | PULLUP_EN},        /* MDIO_CLK */
 194        {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN}, /* MDIO_DATA */
 195        {OFFSET(mii1_crs), MODE(1) | RXACTIVE},         /* MII1_CRS */
 196        {OFFSET(mii1_rxerr), MODE(1) | RXACTIVE},       /* MII1_RXERR */
 197        {OFFSET(mii1_txen), MODE(1)},                   /* MII1_TXEN */
 198        {OFFSET(mii1_txd1), MODE(1)},                   /* MII1_TXD1 */
 199        {OFFSET(mii1_txd0), MODE(1)},                   /* MII1_TXD0 */
 200        {OFFSET(mii1_rxd1), MODE(1) | RXACTIVE},        /* MII1_RXD1 */
 201        {OFFSET(mii1_rxd0), MODE(1) | RXACTIVE},        /* MII1_RXD0 */
 202        {OFFSET(rmii1_refclk), MODE(0) | RXACTIVE},     /* RMII1_REFCLK */
 203        {-1},
 204};
 205
 206#ifdef CONFIG_MTD_RAW_NAND
 207static struct module_pin_mux nand_pin_mux[] = {
 208        {OFFSET(gpmc_ad0),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD0  */
 209        {OFFSET(gpmc_ad1),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD1  */
 210        {OFFSET(gpmc_ad2),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD2  */
 211        {OFFSET(gpmc_ad3),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD3  */
 212        {OFFSET(gpmc_ad4),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD4  */
 213        {OFFSET(gpmc_ad5),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD5  */
 214        {OFFSET(gpmc_ad6),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD6  */
 215        {OFFSET(gpmc_ad7),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD7  */
 216#ifdef CONFIG_SYS_NAND_BUSWIDTH_16BIT
 217        {OFFSET(gpmc_ad8),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD8  */
 218        {OFFSET(gpmc_ad9),      (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD9  */
 219        {OFFSET(gpmc_ad10),     (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD10 */
 220        {OFFSET(gpmc_ad11),     (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD11 */
 221        {OFFSET(gpmc_ad12),     (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD12 */
 222        {OFFSET(gpmc_ad13),     (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD13 */
 223        {OFFSET(gpmc_ad14),     (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD14 */
 224        {OFFSET(gpmc_ad15),     (MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD15 */
 225#endif
 226        {OFFSET(gpmc_wait0),    (MODE(0) | PULLUP_EN | RXACTIVE)}, /* nWAIT */
 227        {OFFSET(gpmc_wpn),      (MODE(7) | PULLUP_EN)},            /* nWP */
 228        {OFFSET(gpmc_csn0),     (MODE(0) | PULLUP_EN)},            /* nCS */
 229        {OFFSET(gpmc_wen),      (MODE(0) | PULLDOWN_EN)},          /* WEN */
 230        {OFFSET(gpmc_oen_ren),  (MODE(0) | PULLDOWN_EN)},          /* OE */
 231        {OFFSET(gpmc_advn_ale), (MODE(0) | PULLDOWN_EN)},          /* ADV_ALE */
 232        {OFFSET(gpmc_be0n_cle), (MODE(0) | PULLDOWN_EN)},          /* BE_CLE */
 233        {-1},
 234};
 235#elif defined(CONFIG_NOR)
 236static struct module_pin_mux bone_norcape_pin_mux[] = {
 237        {OFFSET(gpmc_a0), MODE(0) | PULLUDDIS},                 /* NOR_A0 */
 238        {OFFSET(gpmc_a1), MODE(0) | PULLUDDIS},                 /* NOR_A1 */
 239        {OFFSET(gpmc_a2), MODE(0) | PULLUDDIS},                 /* NOR_A2 */
 240        {OFFSET(gpmc_a3), MODE(0) | PULLUDDIS},                 /* NOR_A3 */
 241        {OFFSET(gpmc_a4), MODE(0) | PULLUDDIS},                 /* NOR_A4 */
 242        {OFFSET(gpmc_a5), MODE(0) | PULLUDDIS},                 /* NOR_A5 */
 243        {OFFSET(gpmc_a6), MODE(0) | PULLUDDIS},                 /* NOR_A6 */
 244        {OFFSET(gpmc_a7), MODE(0) | PULLUDDIS},                 /* NOR_A7 */
 245        {OFFSET(gpmc_ad0), MODE(0) | PULLUDDIS | RXACTIVE},     /* NOR_AD0 */
 246        {OFFSET(gpmc_ad1), MODE(0) | PULLUDDIS | RXACTIVE},     /* NOR_AD1 */
 247        {OFFSET(gpmc_ad2), MODE(0) | PULLUDDIS | RXACTIVE},     /* NOR_AD2 */
 248        {OFFSET(gpmc_ad3), MODE(0) | PULLUDDIS | RXACTIVE},     /* NOR_AD3 */
 249        {OFFSET(gpmc_ad4), MODE(0) | PULLUDDIS | RXACTIVE},     /* NOR_AD4 */
 250        {OFFSET(gpmc_ad5), MODE(0) | PULLUDDIS | RXACTIVE},     /* NOR_AD5 */
 251        {OFFSET(gpmc_ad6), MODE(0) | PULLUDDIS | RXACTIVE},     /* NOR_AD6 */
 252        {OFFSET(gpmc_ad7), MODE(0) | PULLUDDIS | RXACTIVE},     /* NOR_AD7 */
 253        {OFFSET(gpmc_ad8), MODE(0) | PULLUDDIS | RXACTIVE},     /* NOR_AD8 */
 254        {OFFSET(gpmc_ad9), MODE(0) | PULLUDDIS | RXACTIVE},     /* NOR_AD9 */
 255        {OFFSET(gpmc_ad10), MODE(0) | PULLUDDIS | RXACTIVE},    /* NOR_AD10 */
 256        {OFFSET(gpmc_ad11), MODE(0) | PULLUDDIS | RXACTIVE},    /* NOR_AD11 */
 257        {OFFSET(gpmc_ad12), MODE(0) | PULLUDDIS | RXACTIVE},    /* NOR_AD12 */
 258        {OFFSET(gpmc_ad13), MODE(0) | PULLUDDIS | RXACTIVE},    /* NOR_AD13 */
 259        {OFFSET(gpmc_ad14), MODE(0) | PULLUDDIS | RXACTIVE},    /* NOR_AD14 */
 260        {OFFSET(gpmc_ad15), MODE(0) | PULLUDDIS | RXACTIVE},    /* NOR_AD15 */
 261        {OFFSET(gpmc_csn0), MODE(0) | PULLUDEN | PULLUP_EN},     /* CE */
 262        {OFFSET(gpmc_advn_ale), MODE(0) | PULLUDEN | PULLDOWN_EN}, /* ALE */
 263        {OFFSET(gpmc_oen_ren), MODE(0) | PULLUDEN | PULLDOWN_EN},/* OEn_REN */
 264        {OFFSET(gpmc_be0n_cle), MODE(0) | PULLUDEN | PULLDOWN_EN},/* unused */
 265        {OFFSET(gpmc_wen), MODE(0) | PULLUDEN | PULLDOWN_EN},    /* WEN */
 266        {OFFSET(gpmc_wait0), MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE},/*WAIT*/
 267        {-1},
 268};
 269#endif
 270
 271static struct module_pin_mux uart3_icev2_pin_mux[] = {
 272        {OFFSET(mii1_rxd3), (MODE(1) | PULLUP_EN | RXACTIVE)},  /* UART3_RXD */
 273        {OFFSET(mii1_rxd2), MODE(1) | PULLUDEN},                /* UART3_TXD */
 274        {-1},
 275};
 276
 277#if defined(CONFIG_NOR_BOOT)
 278void enable_norboot_pin_mux(void)
 279{
 280        configure_module_pin_mux(bone_norcape_pin_mux);
 281}
 282#endif
 283
 284void enable_uart0_pin_mux(void)
 285{
 286        configure_module_pin_mux(uart0_pin_mux);
 287}
 288
 289void enable_uart1_pin_mux(void)
 290{
 291        configure_module_pin_mux(uart1_pin_mux);
 292}
 293
 294void enable_uart2_pin_mux(void)
 295{
 296        configure_module_pin_mux(uart2_pin_mux);
 297}
 298
 299void enable_uart3_pin_mux(void)
 300{
 301        configure_module_pin_mux(uart3_pin_mux);
 302}
 303
 304void enable_uart4_pin_mux(void)
 305{
 306        configure_module_pin_mux(uart4_pin_mux);
 307}
 308
 309void enable_uart5_pin_mux(void)
 310{
 311        configure_module_pin_mux(uart5_pin_mux);
 312}
 313
 314void enable_i2c0_pin_mux(void)
 315{
 316        configure_module_pin_mux(i2c0_pin_mux);
 317}
 318
 319void enable_i2c2_pin_mux(void)
 320{
 321        configure_module_pin_mux(i2c2_pin_mux);
 322}
 323
 324/*
 325 * The AM335x GP EVM, if daughter card(s) are connected, can have 8
 326 * different profiles.  These profiles determine what peripherals are
 327 * valid and need pinmux to be configured.
 328 */
 329#define PROFILE_NONE    0x0
 330#define PROFILE_0       (1 << 0)
 331#define PROFILE_1       (1 << 1)
 332#define PROFILE_2       (1 << 2)
 333#define PROFILE_3       (1 << 3)
 334#define PROFILE_4       (1 << 4)
 335#define PROFILE_5       (1 << 5)
 336#define PROFILE_6       (1 << 6)
 337#define PROFILE_7       (1 << 7)
 338#define PROFILE_MASK    0x7
 339#define PROFILE_ALL     0xFF
 340
 341/* CPLD registers */
 342#define I2C_CPLD_ADDR   0x35
 343#define CFG_REG         0x10
 344
 345static unsigned short detect_daughter_board_profile(void)
 346{
 347        unsigned short val;
 348        struct udevice *dev = NULL;
 349        int rc;
 350
 351        rc = i2c_get_chip_for_busnum(0, I2C_CPLD_ADDR, 1, &dev);
 352        if (rc)
 353                return PROFILE_NONE;
 354        rc = dm_i2c_read(dev, CFG_REG, (unsigned char *)(&val), 2);
 355        if (rc)
 356                return PROFILE_NONE;
 357        return (1 << (val & PROFILE_MASK));
 358}
 359
 360void enable_board_pin_mux(void)
 361{
 362        /* Do board-specific muxes. */
 363        if (board_is_bone()) {
 364                /* Beaglebone pinmux */
 365                configure_module_pin_mux(mii1_pin_mux);
 366                configure_module_pin_mux(mmc0_pin_mux);
 367#if defined(CONFIG_MTD_RAW_NAND)
 368                configure_module_pin_mux(nand_pin_mux);
 369#elif defined(CONFIG_NOR)
 370                configure_module_pin_mux(bone_norcape_pin_mux);
 371#else
 372                configure_module_pin_mux(mmc1_pin_mux);
 373#endif
 374                configure_module_pin_mux(i2c2_pin_mux);
 375        } else if (board_is_gp_evm()) {
 376                /* General Purpose EVM */
 377                unsigned short profile = detect_daughter_board_profile();
 378                configure_module_pin_mux(rgmii1_pin_mux);
 379                configure_module_pin_mux(mmc0_pin_mux);
 380                /* In profile #2 i2c1 and spi0 conflict. */
 381                if (profile & ~PROFILE_2)
 382                        configure_module_pin_mux(i2c1_pin_mux);
 383                /* Profiles 2 & 3 don't have NAND */
 384#ifdef CONFIG_MTD_RAW_NAND
 385                if (profile & ~(PROFILE_2 | PROFILE_3))
 386                        configure_module_pin_mux(nand_pin_mux);
 387#endif
 388                else if (profile == PROFILE_2) {
 389                        configure_module_pin_mux(mmc1_pin_mux);
 390                        configure_module_pin_mux(spi0_pin_mux);
 391                }
 392        } else if (board_is_idk()) {
 393                /* Industrial Motor Control (IDK) */
 394                configure_module_pin_mux(mii1_pin_mux);
 395                configure_module_pin_mux(mmc0_no_cd_pin_mux);
 396        } else if (board_is_evm_sk()) {
 397                /* Starter Kit EVM */
 398                configure_module_pin_mux(i2c1_pin_mux);
 399                configure_module_pin_mux(gpio0_7_pin_mux);
 400                configure_module_pin_mux(rgmii1_pin_mux);
 401                configure_module_pin_mux(mmc0_pin_mux_sk_evm);
 402        } else if (board_is_bone_lt()) {
 403                if (board_is_bben()) {
 404                        /* SanCloud Beaglebone LT Enhanced pinmux */
 405                        configure_module_pin_mux(rgmii1_pin_mux);
 406                } else {
 407                        /* Beaglebone LT pinmux */
 408                        configure_module_pin_mux(mii1_pin_mux);
 409                }
 410                /* Beaglebone LT pinmux */
 411                configure_module_pin_mux(mmc0_pin_mux);
 412#if defined(CONFIG_MTD_RAW_NAND) && defined(CONFIG_EMMC_BOOT)
 413                configure_module_pin_mux(nand_pin_mux);
 414#elif defined(CONFIG_NOR) && defined(CONFIG_EMMC_BOOT)
 415                configure_module_pin_mux(bone_norcape_pin_mux);
 416#else
 417                configure_module_pin_mux(mmc1_pin_mux);
 418#endif
 419                configure_module_pin_mux(i2c2_pin_mux);
 420        } else if (board_is_pb()) {
 421                configure_module_pin_mux(mii1_pin_mux);
 422                configure_module_pin_mux(mmc0_pin_mux);
 423        } else if (board_is_icev2()) {
 424                configure_module_pin_mux(mmc0_pin_mux);
 425                configure_module_pin_mux(gpio0_18_pin_mux);
 426                configure_module_pin_mux(uart3_icev2_pin_mux);
 427                configure_module_pin_mux(rmii1_pin_mux);
 428                configure_module_pin_mux(spi0_pin_mux);
 429        } else {
 430                /* Unknown board. We might still be able to boot. */
 431                puts("Bad EEPROM or unknown board, cannot configure pinmux.");
 432        }
 433}
 434