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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
This commit is contained in:
Bjorn Helgaas 2022-10-05 17:32:54 -05:00
parent 99e2c73df8 a080f9ad60
commit ec6daf2535
1 changed files with 3 additions and 0 deletions
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3
drivers/pci/controller/pci-aardvark.c
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@ -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;