board/toradex/apalis-imx8/apalis-imx8.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright 2019 Toradex
   4  */
   5
   6 #include <common.h>
   7
   8 #include <asm/arch/clock.h>
   9 #include <asm/arch/imx8-pins.h>
  10 #include <asm/arch/iomux.h>
  11 #include <asm/arch/sci/sci.h>
  12 #include <asm/arch/sys_proto.h>
  13 #include <asm/gpio.h>
  14 #include <asm/io.h>
  15 #include <env.h>
  16 #include <environment.h>
  17 #include <errno.h>
  18 #include <linux/libfdt.h>
  19
  20 #include "../common/tdx-cfg-block.h"
  21
  22 DECLARE_GLOBAL_DATA_PTR;
  23
  24 #define UART_PAD_CTRL   ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
  25                          (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
  26                          (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
  27                          (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
  28
  29 static iomux_cfg_t uart1_pads[] = {
  30         SC_P_UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
  31         SC_P_UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
  32 };
  33
  34 static void setup_iomux_uart(void)
  35 {
  36         imx8_iomux_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
  37 }
  38
  39 int board_early_init_f(void)
  40 {
  41         sc_pm_clock_rate_t rate = SC_80MHZ;
  42         sc_err_t err = 0;
  43
  44         /* Set UART1 clock root to 80 MHz and enable it */
  45         err = sc_pm_setup_uart(SC_R_UART_1, rate);
  46         if (err != SC_ERR_NONE)
  47                 return 0;
  48
  49         setup_iomux_uart();
  50
  51         return 0;
  52 }
  53
  54 #if IS_ENABLED(CONFIG_DM_GPIO)
  55 static void board_gpio_init(void)
  56 {
  57         /* TODO */
  58 }
  59 #else
  60 static inline void board_gpio_init(void) {}
  61 #endif
  62
  63 #if IS_ENABLED(CONFIG_FEC_MXC)
  64 #include <miiphy.h>
  65
  66 int board_phy_config(struct phy_device *phydev)
  67 {
  68         if (phydev->drv->config)
  69                 phydev->drv->config(phydev);
  70
  71         return 0;
  72 }
  73 #endif
  74
  75 int checkboard(void)
  76 {
  77         puts("Model: Toradex Apalis iMX8\n");
  78
  79         build_info();
  80         print_bootinfo();
  81
  82         return 0;
  83 }
  84
  85 int board_init(void)
  86 {
  87         board_gpio_init();
  88
  89         return 0;
  90 }
  91
  92 void detail_board_ddr_info(void)
  93 {
  94         puts("\nDDR    ");
  95 }
  96
  97 /*
  98  * Board specific reset that is system reset.
  99  */
 100 void reset_cpu(ulong addr)
 101 {
 102         /* TODO */
 103 }
 104
 105 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
 106 int ft_board_setup(void *blob, bd_t *bd)
 107 {
 108         return ft_common_board_setup(blob, bd);
 109 }
 110 #endif
 111
 112 int board_mmc_get_env_dev(int devno)
 113 {
 114         return devno;
 115 }
 116
 117 int board_late_init(void)
 118 {
 119 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 120 /* TODO move to common */
 121         env_set("board_name", "Apalis iMX8QM");
 122         env_set("board_rev", "v1.0");
 123 #endif
 124
 125         return 0;
 126 }