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 <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
  28 DECLARE_GLOBAL_DATA_PTR;
  29
  30 static __maybe_unused struct ctrl_dev *cdev =
  31         (struct ctrl_dev *)CTRL_DEVICE_BASE;
  32
  33 #if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT)
  34 static 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
  40 static 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
  50 static 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
  64 static 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
  73 void set_uart_mux_conf(void)
  74 {
  75         configure_module_pin_mux(uart0_pin_mux);
  76 }
  77
  78 void set_mux_conf_regs(void)
  79 {
  80         enable_board_pin_mux();
  81 }
  82
  83 void 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  */
  92 int 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
 105 int 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