LXR uboot/board/freescale/mx6ullevk/mx6ullevk.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (C) 2016 Freescale Semiconductor, Inc.
   4 */
   5
   6#include <init.h>
   7#include <asm/arch/clock.h>
   8#include <asm/arch/iomux.h>
   9#include <asm/arch/imx-regs.h>
  10#include <asm/arch/crm_regs.h>
  11#include <asm/arch/mx6-pins.h>
  12#include <asm/arch/sys_proto.h>
  13#include <asm/gpio.h>
  14#include <asm/mach-imx/iomux-v3.h>
  15#include <asm/mach-imx/boot_mode.h>
  16#include <asm/io.h>
  17#include <common.h>
  18#include <env.h>
  19#include <fsl_esdhc_imx.h>
  20#include <linux/sizes.h>
  21#include <mmc.h>
  22
  23DECLARE_GLOBAL_DATA_PTR;
  24
  25#define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |             \
  26        PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |               \
  27        PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
  28
  29int dram_init(void)
  30{
  31        gd->ram_size = imx_ddr_size();
  32
  33        return 0;
  34}
  35
  36static iomux_v3_cfg_t const uart1_pads[] = {
  37        MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
  38        MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
  39};
  40
  41static void setup_iomux_uart(void)
  42{
  43        imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
  44}
  45
  46int board_mmc_get_env_dev(int devno)
  47{
  48        return devno;
  49}
  50
  51int mmc_map_to_kernel_blk(int devno)
  52{
  53        return devno;
  54}
  55
  56int board_early_init_f(void)
  57{
  58        setup_iomux_uart();
  59
  60        return 0;
  61}
  62
  63int board_init(void)
  64{
  65        /* Address of boot parameters */
  66        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
  67
  68        return 0;
  69}
  70
  71#ifdef CONFIG_CMD_BMODE
  72static const struct boot_mode board_boot_modes[] = {
  73        /* 4 bit bus width */
  74        {"sd1", MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)},
  75        {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
  76        {"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
  77        {NULL,   0},
  78};
  79#endif
  80
  81int board_late_init(void)
  82{
  83#ifdef CONFIG_CMD_BMODE
  84        add_board_boot_modes(board_boot_modes);
  85#endif
  86
  87#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
  88        if (is_cpu_type(MXC_CPU_MX6ULZ))
  89                env_set("board_name", "ULZ-EVK");
  90        else
  91                env_set("board_name", "EVK");
  92        env_set("board_rev", "14X14");
  93#endif
  94
  95        return 0;
  96}
  97
  98int checkboard(void)
  99{
 100        if (is_cpu_type(MXC_CPU_MX6ULZ))
 101                puts("Board: MX6ULZ 14x14 EVK\n");
 102        else
 103                puts("Board: MX6ULL 14x14 EVK\n");
 104
 105        return 0;
 106}
 107