uboot/board/grinn/chiliboard/board.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
   4 * Copyright (C) 2017, Grinn - http://grinn-global.com/
   5 */
   6
   7#include <common.h>
   8#include <init.h>
   9#include <net.h>
  10#include <asm/arch/chilisom.h>
  11#include <asm/arch/cpu.h>
  12#include <asm/arch/hardware.h>
  13#include <asm/arch/omap.h>
  14#include <asm/arch/mem.h>
  15#include <asm/arch/mmc_host_def.h>
  16#include <asm/arch/mux.h>
  17#include <asm/arch/sys_proto.h>
  18#include <asm/emif.h>
  19#include <asm/global_data.h>
  20#include <asm/io.h>
  21#include <cpsw.h>
  22#include <env.h>
  23#include <errno.h>
  24#include <miiphy.h>
  25#include <spl.h>
  26#include <watchdog.h>
  27
  28DECLARE_GLOBAL_DATA_PTR;
  29
  30static __maybe_unused struct ctrl_dev *cdev =
  31        (struct ctrl_dev *)CTRL_DEVICE_BASE;
  32
  33#if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT)
  34static struct module_pin_mux uart0_pin_mux[] = {
  35        {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},  /* UART0_RXD */
  36        {OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},              /* UART0_TXD */
  37        {-1},
  38};
  39
  40static struct module_pin_mux mmc0_pin_mux[] = {
  41        {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT3 */
  42        {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT2 */
  43        {OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT1 */
  44        {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)},  /* MMC0_DAT0 */
  45        {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)},   /* MMC0_CLK */
  46        {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)},   /* MMC0_CMD */
  47        {-1},
  48};
  49
  50static struct module_pin_mux rmii1_pin_mux[] = {
  51        {OFFSET(mii1_crs), MODE(1) | RXACTIVE},         /* RMII1_CRS */
  52        {OFFSET(mii1_rxerr), MODE(1) | RXACTIVE},       /* RMII1_RXERR */
  53        {OFFSET(mii1_txen), MODE(1)},                   /* RMII1_TXEN */
  54        {OFFSET(mii1_txd1), MODE(1)},                   /* RMII1_TXD1 */
  55        {OFFSET(mii1_txd0), MODE(1)},                   /* RMII1_TXD0 */
  56        {OFFSET(mii1_rxd1), MODE(1) | RXACTIVE},        /* RMII1_RXD1 */
  57        {OFFSET(mii1_rxd0), MODE(1) | RXACTIVE},        /* RMII1_RXD0 */
  58        {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN}, /* MDIO_DATA */
  59        {OFFSET(mdio_clk), MODE(0) | PULLUP_EN},        /* MDIO_CLK */
  60        {OFFSET(rmii1_refclk), MODE(0) | RXACTIVE},     /* RMII1_REFCLK */
  61        {-1},
  62};
  63
  64static void enable_board_pin_mux(void)
  65{
  66        chilisom_enable_pin_mux();
  67
  68        /* chiliboard pinmux */
  69        configure_module_pin_mux(rmii1_pin_mux);
  70        configure_module_pin_mux(mmc0_pin_mux);
  71}
  72
  73void set_uart_mux_conf(void)
  74{
  75        configure_module_pin_mux(uart0_pin_mux);
  76}
  77
  78void set_mux_conf_regs(void)
  79{
  80        enable_board_pin_mux();
  81}
  82
  83void am33xx_spl_board_init(void)
  84{
  85        chilisom_spl_board_init();
  86}
  87#endif /* CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT) */
  88
  89/*
  90 * Basic board specific setup.  Pinmux has been handled already.
  91 */
  92int board_init(void)
  93{
  94#if defined(CONFIG_HW_WATCHDOG)
  95        hw_watchdog_init();
  96#endif
  97
  98        gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
  99        gpmc_init();
 100
 101        return 0;
 102}
 103
 104#ifdef CONFIG_BOARD_LATE_INIT
 105int board_late_init(void)
 106{
 107#if !defined(CONFIG_SPL_BUILD)
 108        uint8_t mac_addr[6];
 109        uint32_t mac_hi, mac_lo;
 110
 111        /* try reading mac address from efuse */
 112        mac_lo = readl(&cdev->macid0l);
 113        mac_hi = readl(&cdev->macid0h);
 114        mac_addr[0] = mac_hi & 0xFF;
 115        mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 116        mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 117        mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 118        mac_addr[4] = mac_lo & 0xFF;
 119        mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 120
 121        if (!env_get("ethaddr")) {
 122                printf("<ethaddr> not set. Validating first E-fuse MAC\n");
 123
 124                if (is_valid_ethaddr(mac_addr))
 125                        eth_env_set_enetaddr("ethaddr", mac_addr);
 126        }
 127
 128        mac_lo = readl(&cdev->macid1l);
 129        mac_hi = readl(&cdev->macid1h);
 130        mac_addr[0] = mac_hi & 0xFF;
 131        mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 132        mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 133        mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 134        mac_addr[4] = mac_lo & 0xFF;
 135        mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 136
 137        if (!env_get("eth1addr")) {
 138                if (is_valid_ethaddr(mac_addr))
 139                        eth_env_set_enetaddr("eth1addr", mac_addr);
 140        }
 141#endif
 142
 143        return 0;
 144}
 145#endif
 146