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ufs: Allow mmio registers on the PCI bus

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Check if the UFS controller is on the PCI bus, and get its register
base address accordingly.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Neha Malcom Francis <n-francis@ti.com>
This commit is contained in:
Bin Meng 2023-10-11 21:15:49 +08:00 committed by Tom Rini
parent 07a64f0a34
commit e5c19ce47c
1 changed files with 9 additions and 1 deletions
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10
drivers/ufs/ufs.c
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@ -1914,6 +1914,7 @@ int ufshcd_probe(struct udevice *ufs_dev, struct ufs_hba_ops *hba_ops)
struct ufs_hba *hba = dev_get_uclass_priv(ufs_dev);
struct scsi_plat *scsi_plat;
struct udevice *scsi_dev;
void __iomem *mmio_base;
int err;
device_find_first_child(ufs_dev, &scsi_dev);
@ -1927,7 +1928,14 @@ int ufshcd_probe(struct udevice *ufs_dev, struct ufs_hba_ops *hba_ops)
hba->dev = ufs_dev;
hba->ops = hba_ops;
hba->mmio_base = dev_read_addr_ptr(ufs_dev);
if (device_is_on_pci_bus(ufs_dev)) {
mmio_base = dm_pci_map_bar(ufs_dev, PCI_BASE_ADDRESS_0, 0, 0,
PCI_REGION_TYPE, PCI_REGION_MEM);
} else {
mmio_base = dev_read_addr_ptr(ufs_dev);
}
hba->mmio_base = mmio_base;
/* Set descriptor lengths to specification defaults */
ufshcd_def_desc_sizes(hba);