common/spl/spl_sata.c

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