This adds support for PCI-based AHCI controller based on DM SCSI.
Signed-off-by: Bin Meng <bmeng...@gmail.com>
Reviewed-by: Simon Glass <s...@chromium.org>
Tested-by: Simon Glass <s...@chromium.org>
---
Changes in v2:
- Fix unmet direct dependencies on BLK
drivers/ata/Kconfig | 6 ++++++
drivers/ata/Makefile | 1 +
drivers/ata/ahci-pci.c | 42 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 49 insertions(+)
create mode 100644 drivers/ata/ahci-pci.c
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 6427f1b..db05160 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -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
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index c48184c..4e2de93 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -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
diff --git a/drivers/ata/ahci-pci.c b/drivers/ata/ahci-pci.c
new file mode 100644
index 0000000..f46fad8
--- /dev/null
+++ b/drivers/ata/ahci-pci.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2017, Bin Meng <bmeng...@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);
--
2.9.2
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