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ata: ahci_mvebu: add scsi support

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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>
This commit is contained in:
Ken Ma 2018-05-25 15:49:26 +08:00 committed by Stefan Roese
parent 329dd3244f
commit 6ac8538b0b
2 changed files with 17 additions and 1 deletions
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1
drivers/ata/Kconfig
View File

@ -104,6 +104,7 @@ config AHCI_MVEBU
depends on ARCH_MVEBU
depends on AHCI
select SCSI_AHCI
select DM_SCSI
help
This option enables support for the Marvell EBU SoC's
onboard AHCI SATA.

17
drivers/ata/ahci_mvebu.c
View File

@ -16,6 +16,20 @@ __weak int board_ahci_enable(void)
return 0;
}
static int mvebu_ahci_bind(struct udevice *dev)
{
struct udevice *scsi_dev;
int ret;
ret = ahci_bind_scsi(dev, &scsi_dev);
if (ret) {
debug("%s: Failed to bind (err=%d\n)", __func__, ret);
return ret;
}
return 0;
}
static int mvebu_ahci_probe(struct udevice *dev)
{
/*
@ -24,7 +38,7 @@ static int mvebu_ahci_probe(struct udevice *dev)
*/
board_ahci_enable();
ahci_init(devfdt_get_addr_ptr(dev));
ahci_probe_scsi(dev, (ulong)devfdt_get_addr_ptr(dev));
return 0;
}
@ -39,5 +53,6 @@ U_BOOT_DRIVER(ahci_mvebu_drv) = {
.name = "ahci_mvebu",
.id = UCLASS_AHCI,
.of_match = mvebu_ahci_ids,
.bind = mvebu_ahci_bind,
.probe = mvebu_ahci_probe,
};