diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:21:38 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:21:38 +0000 |
| commit | 9351405e44641037ccff29c0d88d92c0617b5088 (patch) | |
| tree | dfee90e28394ae31df1033696f8656add6c4fc26 /arch/powerpc/sysdev/fsl_pci.c | |
| parent | Releasing progress-linux version 4.19.249-2progress5u1. (diff) | |
| download | linux-9351405e44641037ccff29c0d88d92c0617b5088.tar.xz linux-9351405e44641037ccff29c0d88d92c0617b5088.zip | |
Merging upstream version 4.19.260.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_pci.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 918be816b..6d41aa4db 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -523,6 +523,7 @@ int fsl_add_bridge(struct platform_device *pdev, int is_primary) struct resource rsrc; const int *bus_range; u8 hdr_type, progif; + u32 class_code; struct device_node *dev; struct ccsr_pci __iomem *pci; u16 temp; @@ -596,6 +597,13 @@ int fsl_add_bridge(struct platform_device *pdev, int is_primary) PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS; if (fsl_pcie_check_link(hose)) hose->indirect_type |= PPC_INDIRECT_TYPE_NO_PCIE_LINK; + /* Fix Class Code to PCI_CLASS_BRIDGE_PCI_NORMAL for pre-3.0 controller */ + if (in_be32(&pci->block_rev1) < PCIE_IP_REV_3_0) { + early_read_config_dword(hose, 0, 0, PCIE_FSL_CSR_CLASSCODE, &class_code); + class_code &= 0xff; + class_code |= PCI_CLASS_BRIDGE_PCI_NORMAL << 8; + early_write_config_dword(hose, 0, 0, PCIE_FSL_CSR_CLASSCODE, class_code); + } } else { /* * Set PBFR(PCI Bus Function Register)[10] = 1 to |