Skip to content

Commit

Permalink
PCI: loongson: Add more devices that need MRRS quirk
Browse files Browse the repository at this point in the history 
Loongson-2K SOC and LS7A2000 chipset add new PCI IDs that need MRRS
quirk.  Add them.

Link: https://lore.kernel.org/r/20230211023321.3530080-1-chenhuacai@loongson.cn
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
  • Loading branch information
Huacai Chen authored and Bjorn Helgaas committed Feb 13, 2023
1 parent 8b3517f commit c768f8c
Showing 1 changed file with 24 additions and 9 deletions.
33 changes: 24 additions & 9 deletions drivers/pci/controller/pci-loongson.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -15,9 +15,14 @@
#include "../pci.h"

/* Device IDs */
#define DEV_PCIE_PORT_0 0x7a09
#define DEV_PCIE_PORT_1 0x7a19
#define DEV_PCIE_PORT_2 0x7a29
#define DEV_LS2K_PCIE_PORT0 0x1a05
#define DEV_LS7A_PCIE_PORT0 0x7a09
#define DEV_LS7A_PCIE_PORT1 0x7a19
#define DEV_LS7A_PCIE_PORT2 0x7a29
#define DEV_LS7A_PCIE_PORT3 0x7a39
#define DEV_LS7A_PCIE_PORT4 0x7a49
#define DEV_LS7A_PCIE_PORT5 0x7a59
#define DEV_LS7A_PCIE_PORT6 0x7a69

#define DEV_LS2K_APB 0x7a02
#define DEV_LS7A_GMAC 0x7a03
Expand Down Expand Up @@ -53,11 +58,11 @@ static void bridge_class_quirk(struct pci_dev *dev)
dev->class = PCI_CLASS_BRIDGE_PCI_NORMAL;
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_PCIE_PORT_0, bridge_class_quirk);
DEV_LS7A_PCIE_PORT0, bridge_class_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_PCIE_PORT_1, bridge_class_quirk);
DEV_LS7A_PCIE_PORT1, bridge_class_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_PCIE_PORT_2, bridge_class_quirk);
DEV_LS7A_PCIE_PORT2, bridge_class_quirk);

static void system_bus_quirk(struct pci_dev *pdev)
{
Expand Down Expand Up @@ -87,11 +92,21 @@ static void loongson_mrrs_quirk(struct pci_dev *pdev)
bridge->no_inc_mrrs = 1;
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_PCIE_PORT_0, loongson_mrrs_quirk);
DEV_LS2K_PCIE_PORT0, loongson_mrrs_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_PCIE_PORT_1, loongson_mrrs_quirk);
DEV_LS7A_PCIE_PORT0, loongson_mrrs_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_PCIE_PORT_2, loongson_mrrs_quirk);
DEV_LS7A_PCIE_PORT1, loongson_mrrs_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_LS7A_PCIE_PORT2, loongson_mrrs_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_LS7A_PCIE_PORT3, loongson_mrrs_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_LS7A_PCIE_PORT4, loongson_mrrs_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_LS7A_PCIE_PORT5, loongson_mrrs_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_LS7A_PCIE_PORT6, loongson_mrrs_quirk);

static void loongson_pci_pin_quirk(struct pci_dev *pdev)
{
Expand Down

0 comments on commit c768f8c

Please sign in to comment.