arch/arm/mach-mvebu/armada3700/sata.c

   1 /*
   2  * Copyright (C) 2016 Stefan Roese <sr@denx.de>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <ahci.h>
   9 #include <dm.h>
  10
  11 DECLARE_GLOBAL_DATA_PTR;
  12
  13 /*
  14  * Dummy implementation that can be overwritten by a board
  15  * specific function
  16  */
  17 __weak int board_ahci_enable(void)
  18 {
  19         return 0;
  20 }
  21
  22 static int mvebu_ahci_probe(struct udevice *dev)
  23 {
  24         /*
  25          * Board specific SATA / AHCI enable code, e.g. enable the
  26          * AHCI power or deassert reset
  27          */
  28         board_ahci_enable();
  29
  30         ahci_init(dev_get_addr_ptr(dev));
  31
  32         return 0;
  33 }
  34
  35 static const struct udevice_id mvebu_ahci_ids[] = {
  36         { .compatible = "marvell,armada-3700-ahci" },
  37         { }
  38 };
  39
  40 U_BOOT_DRIVER(ahci_mvebu_drv) = {
  41         .name           = "ahci_mvebu",
  42         .id             = UCLASS_AHCI,
  43         .of_match       = mvebu_ahci_ids,
  44         .probe          = mvebu_ahci_probe,
  45 };