LXR uboot/board/grinn/chiliboard/board.c

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