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