LXR uboot/drivers/ata/ahci

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (C) 2016 Stefan Roese <sr@denx.de>
   4 */
   5
   6#include <common.h>
   7#include <ahci.h>
   8#include <dm.h>
   9#include <log.h>
  10
  11/*
  12 * Dummy implementation that can be overwritten by a board
  13 * specific function
  14 */
  15__weak int board_ahci_enable(void)
  16{
  17        return 0;
  18}
  19
  20static int mvebu_ahci_bind(struct udevice *dev)
  21{
  22        struct udevice *scsi_dev;
  23        int ret;
  24
  25        ret = ahci_bind_scsi(dev, &scsi_dev);
  26        if (ret) {
  27                debug("%s: Failed to bind (err=%d\n)", __func__, ret);
  28                return ret;
  29        }
  30
  31        return 0;
  32}
  33
  34static int mvebu_ahci_probe(struct udevice *dev)
  35{
  36        /*
  37         * Board specific SATA / AHCI enable code, e.g. enable the
  38         * AHCI power or deassert reset
  39         */
  40        board_ahci_enable();
  41
  42        ahci_probe_scsi(dev, (ulong)dev_remap_addr(dev));
  43
  44        return 0;
  45}
  46
  47static const struct udevice_id mvebu_ahci_ids[] = {
  48        { .compatible = "marvell,armada-380-ahci" },
  49        { .compatible = "marvell,armada-3700-ahci" },
  50        { .compatible = "marvell,armada-8k-ahci" },
  51        { .compatible = "cavium,octeon-7130-ahci" },
  52        { }
  53};
  54
  55U_BOOT_DRIVER(ahci_mvebu_drv) = {
  56        .name           = "ahci_mvebu",
  57        .id             = UCLASS_AHCI,
  58        .of_match       = mvebu_ahci_ids,
  59        .bind           = mvebu_ahci_bind,
  60        .probe          = mvebu_ahci_probe,
  61};
  62