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Merge patch series "pci_auto: Downgrade prefetch if necessary"

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This series from Patrick Rudolph <patrick.rudolph@9elements.com> fixes
an issue with how we treat PCIe vs PCI in some cases and fixes the
qemu-arm-sbsa reference platform support.

Link: https://lore.kernel.org/r/20250226135647.194842-1-patrick.rudolph@9elements.com
This commit is contained in:
Tom Rini 2025-03-12 10:24:05 -06:00
commit 4c4266dab7
2 changed files with 4 additions and 1 deletions
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2
board/emulation/qemu-sbsa/Kconfig
View file

@ -33,6 +33,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
select OF_SEPARATE
select PCI
select PCIE_ECAM_GENERIC
select SYS_PCI_64BIT
select USB
select GIC_V3
select GIC_V3_ITS
@ -48,6 +49,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
imply CFI_FLASH
imply SYS_MTDPARTS_RUNTIME
imply SET_DFU_ALT_INFO
imply PCI_INIT_R
if DEBUG_UART

3
drivers/pci/pci_auto.c
View file

@ -107,7 +107,8 @@ static void dm_pciauto_setup_device(struct udevice *dev,
}
if (prefetch &&
(bar_response & PCI_BASE_ADDRESS_MEM_PREFETCH))
(bar_response & PCI_BASE_ADDRESS_MEM_PREFETCH) &&
(found_mem64 || prefetch->bus_lower < 0x100000000ULL))
bar_res = prefetch;
else
bar_res = mem;