board/freescale/mx6ullevk/mx6ullevk.c

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