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| author | Bjorn Helgaas <bhelgaas@google.com> | 2022-10-06 01:32:54 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2022-10-06 01:32:54 +0300 |
| commit | ec6daf2535083fad917e1c621a59d90b942d52f2 (patch) | |
| tree | 6ea6c9f64ca2d95cc8b9104a357a7034ccf75a44 /drivers/pci | |
| parent | 99e2c73df882096d8139323f9827195718b50fcb (diff) | |
| parent | a080f9ad604598a4d32ea36fbf96437c92ccacb4 (diff) | |
| download | linux-ec6daf2535083fad917e1c621a59d90b942d52f2.tar.xz | |
Merge branch 'remotes/lorenzo/pci/aardvark'
- Emulate the PCI Bridge Subsystem Vendor ID (Pali Rohár)
* remotes/lorenzo/pci/aardvark:
PCI: aardvark: Add support for PCI Bridge Subsystem Vendor ID on emulated bridge
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/controller/pci-aardvark.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c index 966c8b48bd96..7cc51cfb8a13 100644 --- a/drivers/pci/controller/pci-aardvark.c +++ b/drivers/pci/controller/pci-aardvark.c @@ -33,6 +33,7 @@ #define PCIE_CORE_DEV_ID_REG 0x0 #define PCIE_CORE_CMD_STATUS_REG 0x4 #define PCIE_CORE_DEV_REV_REG 0x8 +#define PCIE_CORE_SSDEV_ID_REG 0x2c #define PCIE_CORE_PCIEXP_CAP 0xc0 #define PCIE_CORE_PCIERR_CAP 0x100 #define PCIE_CORE_ERR_CAPCTL_REG 0x118 @@ -1077,6 +1078,8 @@ static int advk_sw_pci_bridge_init(struct advk_pcie *pcie) /* Indicates supports for Completion Retry Status */ bridge->pcie_conf.rootcap = cpu_to_le16(PCI_EXP_RTCAP_CRSVIS); + bridge->subsystem_vendor_id = advk_readl(pcie, PCIE_CORE_SSDEV_ID_REG) & 0xffff; + bridge->subsystem_id = advk_readl(pcie, PCIE_CORE_SSDEV_ID_REG) >> 16; bridge->has_pcie = true; bridge->data = pcie; bridge->ops = &advk_pci_bridge_emul_ops; |