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
  23 DECLARE_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
  29 int dram_init(void)
  30 {
  31         gd->ram_size = imx_ddr_size();
  32
  33         return 0;
  34 }
  35
  36 static 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
  41 static void setup_iomux_uart(void)
  42 {
  43         imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
  44 }
  45
  46 int board_mmc_get_env_dev(int devno)
  47 {
  48         return devno;
  49 }
  50
  51 int mmc_map_to_kernel_blk(int devno)
  52 {
  53         return devno;
  54 }
  55
  56 int board_early_init_f(void)
  57 {
  58         setup_iomux_uart();
  59
  60         return 0;
  61 }
  62
  63 int 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
  72 static 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
  81 int 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
  98 int 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 }