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Mvebu AHCI is AHCI driver which uses SCSI under the hood. This patch adjusts AHCI setup to support SCSI by creating a SCSI device as a child. Since the functions of creating SCSI device need the kconfig option DM_SCSI, so let AHCI_MVEBU select DM_SCSI. Signed-off-by: Ken Ma <make@marvell.com> Reviewed-by: Stefan Roese <sr@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Stefan Roese <sr@denx.de>
58 lines
1.1 KiB
C
58 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2016 Stefan Roese <sr@denx.de>
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*/
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#include <common.h>
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#include <ahci.h>
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#include <dm.h>
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/*
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* Dummy implementation that can be overwritten by a board
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* specific function
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*/
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__weak int board_ahci_enable(void)
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{
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return 0;
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}
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static int mvebu_ahci_bind(struct udevice *dev)
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{
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struct udevice *scsi_dev;
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int ret;
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ret = ahci_bind_scsi(dev, &scsi_dev);
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if (ret) {
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debug("%s: Failed to bind (err=%d\n)", __func__, ret);
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return ret;
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}
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return 0;
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}
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static int mvebu_ahci_probe(struct udevice *dev)
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{
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/*
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* Board specific SATA / AHCI enable code, e.g. enable the
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* AHCI power or deassert reset
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*/
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board_ahci_enable();
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ahci_probe_scsi(dev, (ulong)devfdt_get_addr_ptr(dev));
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return 0;
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}
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static const struct udevice_id mvebu_ahci_ids[] = {
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{ .compatible = "marvell,armada-3700-ahci" },
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{ .compatible = "marvell,armada-8k-ahci" },
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{ }
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};
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U_BOOT_DRIVER(ahci_mvebu_drv) = {
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.name = "ahci_mvebu",
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.id = UCLASS_AHCI,
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.of_match = mvebu_ahci_ids,
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.bind = mvebu_ahci_bind,
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.probe = mvebu_ahci_probe,
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};
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