common/spl/spl_sata.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2013
   4  * Texas Instruments, <www.ti.com>
   5  *
   6  * Dan Murphy <dmurphy@ti.com>
   7  *
   8  * Derived work from spl_usb.c
   9  */
  10
  11 #include <common.h>
  12 #include <spl.h>
  13 #include <asm/u-boot.h>
  14 #include <sata.h>
  15 #include <scsi.h>
  16 #include <errno.h>
  17 #include <fat.h>
  18 #include <image.h>
  19
  20 #ifndef CONFIG_SYS_SATA_FAT_BOOT_PARTITION
  21 #define CONFIG_SYS_SATA_FAT_BOOT_PARTITION      1
  22 #endif
  23
  24 #ifndef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
  25 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
  26 #endif
  27
  28 static int spl_sata_load_image(struct spl_image_info *spl_image,
  29                                struct spl_boot_device *bootdev)
  30 {
  31         int err = 0;
  32         struct blk_desc *stor_dev;
  33
  34 #if !defined(CONFIG_DM_SCSI) && !defined(CONFIG_AHCI)
  35         err = init_sata(CONFIG_SPL_SATA_BOOT_DEVICE);
  36 #endif
  37         if (err) {
  38 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
  39                 printf("spl: sata init failed: err - %d\n", err);
  40 #endif
  41                 return err;
  42         } else {
  43                 /* try to recognize storage devices immediately */
  44                 scsi_scan(false);
  45                 stor_dev = blk_get_devnum_by_type(IF_TYPE_SCSI, 0);
  46                 if (!stor_dev)
  47                         return -ENODEV;
  48         }
  49
  50 #ifdef CONFIG_SPL_OS_BOOT
  51         if (spl_start_uboot() ||
  52             spl_load_image_fat_os(spl_image, stor_dev,
  53                                   CONFIG_SYS_SATA_FAT_BOOT_PARTITION))
  54 #endif
  55         {
  56                 err = -ENOSYS;
  57
  58                 if (IS_ENABLED(CONFIG_SPL_FS_FAT)) {
  59                         err = spl_load_image_fat(spl_image, stor_dev,
  60                                         CONFIG_SYS_SATA_FAT_BOOT_PARTITION,
  61                                         CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
  62                 }
  63         }
  64         if (err) {
  65                 puts("Error loading sata device\n");
  66                 return err;
  67         }
  68
  69         return 0;
  70 }
  71 SPL_LOAD_IMAGE_METHOD("SATA", 0, BOOT_DEVICE_SATA, spl_sata_load_image);