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dm: scsi: Add a generic PCI-based AHCI driver

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This adds support for PCI-based AHCI controller based on DM SCSI.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2017-07-30 19:23:59 -07:00
parent 6461f45b71
commit a5c680fe10
3 changed files with 49 additions and 0 deletions
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6
drivers/ata/Kconfig
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@ -40,6 +40,12 @@ config DM_SCSI
menu "SATA/SCSI device support"
config AHCI_PCI
bool "Support for PCI-based AHCI controller"
depends on DM_SCSI
help
Enables support for the PCI-based AHCI controller.
config SATA_CEVA
bool "Ceva Sata controller"
depends on AHCI

1
drivers/ata/Makefile
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@ -7,6 +7,7 @@
obj-$(CONFIG_DWC_AHCI) += dwc_ahci.o
obj-$(CONFIG_AHCI) += ahci-uclass.o
obj-$(CONFIG_AHCI_PCI) += ahci-pci.o
obj-$(CONFIG_SCSI_AHCI) += ahci.o
obj-$(CONFIG_DWC_AHSATA) += dwc_ahsata.o
obj-$(CONFIG_FSL_SATA) += fsl_sata.o

42
drivers/ata/ahci-pci.c Normal file
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@ -0,0 +1,42 @@
/*
* Copyright (C) 2017, Bin Meng <bmeng.cn@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <ahci.h>
#include <dm.h>
#include <pci.h>
static int ahci_pci_bind(struct udevice *dev)
{
struct udevice *scsi_dev;
return ahci_bind_scsi(dev, &scsi_dev);
}
static int ahci_pci_probe(struct udevice *dev)
{
return ahci_probe_scsi(dev);
}
static const struct udevice_id ahci_pci_ids[] = {
{ .compatible = "ahci-pci" },
{ }
};
U_BOOT_DRIVER(ahci_pci) = {
.name = "ahci_pci",
.id = UCLASS_AHCI,
.of_match = ahci_pci_ids,
.bind = ahci_pci_bind,
.probe = ahci_pci_probe,
};
static struct pci_device_id ahci_pci_supported[] = {
{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_SATA_AHCI, ~0) },
{},
};
U_BOOT_PCI_DEVICE(ahci_pci, ahci_pci_supported);