[PATCH 03/13] pci: Enable PCI_MAP_SYSTEM_MEMORY when ARCH_MAP_SYSMEM is not set

Jiaxun Yang jiaxun.yang at flygoat.com
Mon May 13 20:13:00 CEST 2024


For MIPS we are always looking gd->dram in virtual address so
PCI_MAP_SYSTEM_MEMORY should always be enabled.

If in future we ever want to make it physical we have to set
ARCH_MAP_SYSMEM.

Signed-off-by: Jiaxun Yang <jiaxun.yang at flygoat.com>
---
 drivers/pci/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 289d1deb38b6..14f6067fa29b 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -67,6 +67,7 @@ config PCI_CONFIG_HOST_BRIDGE
 config PCI_MAP_SYSTEM_MEMORY
 	bool "Map local system memory from a virtual base address"
 	depends on MIPS
+	default y if !ARCH_MAP_SYSMEM
 	help
 	  Say Y if base address of system memory is being used as a virtual address
 	  instead of a physical address (e.g. on MIPS). The PCI core will then remap

-- 
2.34.1



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