arch/arm/mach-stm32mp/spl.c

   1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
   2 /*
   3  * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
   4  */
   5
   6 #include <common.h>
   7 #include <dm.h>
   8 #include <spl.h>
   9 #include <asm/io.h>
  10
  11 u32 spl_boot_device(void)
  12 {
  13         u32 boot_mode;
  14
  15         boot_mode = get_bootmode();
  16
  17         switch (boot_mode) {
  18         case BOOT_FLASH_SD_1:
  19         case BOOT_FLASH_EMMC_1:
  20                 return BOOT_DEVICE_MMC1;
  21         case BOOT_FLASH_SD_2:
  22         case BOOT_FLASH_EMMC_2:
  23                 return BOOT_DEVICE_MMC2;
  24         case BOOT_SERIAL_UART_1:
  25         case BOOT_SERIAL_UART_2:
  26         case BOOT_SERIAL_UART_3:
  27         case BOOT_SERIAL_UART_4:
  28         case BOOT_SERIAL_UART_5:
  29         case BOOT_SERIAL_UART_6:
  30         case BOOT_SERIAL_UART_7:
  31         case BOOT_SERIAL_UART_8:
  32                 return BOOT_DEVICE_UART;
  33         case BOOT_SERIAL_USB_OTG:
  34                 return BOOT_DEVICE_USB;
  35         case BOOT_FLASH_NAND_FMC:
  36                 return BOOT_DEVICE_NAND;
  37         case BOOT_FLASH_NOR_QSPI:
  38                 return BOOT_DEVICE_SPI;
  39         }
  40
  41         return BOOT_DEVICE_MMC1;
  42 }
  43
  44 u32 spl_boot_mode(const u32 boot_device)
  45 {
  46         return MMCSD_MODE_RAW;
  47 }
  48
  49 int spl_boot_partition(const u32 boot_device)
  50 {
  51         switch (boot_device) {
  52         case BOOT_DEVICE_MMC1:
  53                 return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION;
  54         case BOOT_DEVICE_MMC2:
  55                 return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_MMC2;
  56         default:
  57                 return -EINVAL;
  58         }
  59 }
  60
  61 void board_init_f(ulong dummy)
  62 {
  63         struct udevice *dev;
  64         int ret;
  65
  66         arch_cpu_init();
  67
  68         ret = spl_early_init();
  69         if (ret) {
  70                 debug("spl_early_init() failed: %d\n", ret);
  71                 hang();
  72         }
  73
  74         ret = uclass_get_device(UCLASS_CLK, 0, &dev);
  75         if (ret) {
  76                 debug("Clock init failed: %d\n", ret);
  77                 return;
  78         }
  79
  80         ret = uclass_get_device(UCLASS_RESET, 0, &dev);
  81         if (ret) {
  82                 debug("Reset init failed: %d\n", ret);
  83                 return;
  84         }
  85
  86         ret = uclass_get_device(UCLASS_PINCTRL, 0, &dev);
  87         if (ret) {
  88                 debug("%s: Cannot find pinctrl device\n", __func__);
  89                 return;
  90         }
  91
  92         /* enable console uart printing */
  93         preloader_console_init();
  94
  95         ret = uclass_get_device(UCLASS_RAM, 0, &dev);
  96         if (ret) {
  97                 debug("DRAM init failed: %d\n", ret);
  98                 return;
  99         }
 100 }