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ata: dwc_ahsata: Add ahci driver model support

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Disable this support for cm_fx6 to avoid breakage.

Signed-off-by: Soeren Moch <smoch@web.de>
This commit is contained in:
Soeren Moch 2019-03-01 13:10:59 +01:00 committed by Stefano Babic
parent d5326dfa7a
commit 046a69b848
3 changed files with 33 additions and 0 deletions
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1
configs/cm_fx6_defconfig
View file

@ -51,6 +51,7 @@ CONFIG_DEFAULT_DEVICE_TREE="imx6q-cm-fx6"
CONFIG_ENV_IS_IN_SPI_FLASH=y
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
CONFIG_DWC_AHSATA=y
# CONFIG_DWC_AHSATA_AHCI is not set
CONFIG_DM_KEYBOARD=y
CONFIG_DM_MMC=y
CONFIG_FSL_ESDHC=y

8
drivers/ata/Kconfig
View file

@ -66,6 +66,14 @@ config DWC_AHSATA
Enable this driver to support the DWC AHSATA SATA controller found
in i.MX5 and i.MX6 SoCs.
config DWC_AHSATA_AHCI
bool "Enable DWC AHSATA AHCI driver support"
depends on DWC_AHSATA
depends on AHCI
default y
help
Enable this option unless you need your private ahci implementation
config FSL_SATA
bool "Enable Freescale SATA controller driver support"
select LIBATA

24
drivers/ata/dwc_ahsata.c
View file

@ -16,6 +16,7 @@
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-imx/sata.h>
#include <linux/bitops.h>
#include <linux/ctype.h>
#include <linux/errno.h>
@ -1020,6 +1021,9 @@ int dwc_ahsata_probe(struct udevice *dev)
struct ahci_uc_priv *uc_priv = dev_get_uclass_priv(dev);
int ret;
#if defined(CONFIG_MX6)
setup_sata();
#endif
uc_priv->host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | ATA_FLAG_NO_ATAPI;
uc_priv->mmio_base = (void __iomem *)dev_read_addr(dev);
@ -1067,4 +1071,24 @@ U_BOOT_DRIVER(dwc_ahsata_blk) = {
.ops = &dwc_ahsata_blk_ops,
};
#if CONFIG_IS_ENABLED(DWC_AHSATA_AHCI)
struct ahci_ops dwc_ahsata_ahci_ops = {
.port_status = dwc_ahsata_port_status,
.reset = dwc_ahsata_bus_reset,
.scan = dwc_ahsata_scan,
};
static const struct udevice_id dwc_ahsata_ahci_ids[] = {
{ .compatible = "fsl,imx6q-ahci" },
{ }
};
U_BOOT_DRIVER(dwc_ahsata_ahci) = {
.name = "dwc_ahsata_ahci",
.id = UCLASS_AHCI,
.of_match = dwc_ahsata_ahci_ids,
.ops = &dwc_ahsata_ahci_ops,
.probe = dwc_ahsata_probe,
};
#endif
#endif