diff options
Diffstat (limited to 'drivers/ata/ahci.c')
| -rw-r--r-- | drivers/ata/ahci.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 3528a1f3da..6da412d178 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -19,10 +19,13 @@ #include <asm/io.h> #include <malloc.h> #include <memalign.h> +#include <pci.h> #include <scsi.h> #include <libata.h> #include <linux/ctype.h> #include <ahci.h> +#include <dm/device-internal.h> +#include <dm/lists.h> static int ata_io_flush(struct ahci_uc_priv *uc_priv, u8 port); @@ -1142,10 +1145,64 @@ static int ahci_scsi_bus_reset(struct udevice *dev) } #ifdef CONFIG_DM_SCSI +int ahci_bind_scsi(struct udevice *ahci_dev, struct udevice **devp) +{ + struct udevice *dev; + int ret; + + ret = device_bind_driver(ahci_dev, "ahci_scsi", "ahci_scsi", &dev); + if (ret) + return ret; + *devp = dev; + + return 0; +} + +int ahci_probe_scsi(struct udevice *ahci_dev) +{ +#ifdef CONFIG_SCSI_AHCI_PLAT + return -ENOSYS; /* TODO(sjg@chromium.org): Support non-PCI AHCI */ +#else + struct ahci_uc_priv *uc_priv; + struct scsi_platdata *uc_plat; + struct udevice *dev; + int ret; + + device_find_first_child(ahci_dev, &dev); + if (!dev) + return -ENODEV; + uc_plat = dev_get_uclass_platdata(dev); + uc_plat->base = (ulong)dm_pci_map_bar(ahci_dev, PCI_BASE_ADDRESS_5, + PCI_REGION_MEM); + uc_plat->max_lun = 1; + uc_plat->max_id = 2; + uc_priv = dev_get_uclass_priv(dev); + ret = ahci_init_one(uc_priv, dev); + if (ret) + return ret; + ret = ahci_start_ports(uc_priv); + if (ret) + return ret; + + debug("Scanning %s\n", dev->name); + ret = scsi_scan_dev(dev, true); + if (ret) + return ret; +#endif + + return 0; +} + struct scsi_ops scsi_ops = { .exec = ahci_scsi_exec, .bus_reset = ahci_scsi_bus_reset, }; + +U_BOOT_DRIVER(ahci_scsi) = { + .name = "ahci_scsi", + .id = UCLASS_SCSI, + .ops = &scsi_ops, +}; #else int scsi_exec(struct udevice *dev, struct scsi_cmd *pccb) { |