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chipset_enable.c: Use PCI_ACCESS_ECAM to access pci register

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In the latest pciutils(v3.13.0), it supports accessing pci registers
by ecam. This patch uses libpci version check to decide whether
flashrom calls libpci and use 0xcf8/0xcfc or ecam to access pci
registers.

BUG=b:359813524
TEST=with libpci >= 3.13.0, flashrom is working with ECAM access

Change-Id: I4549f87c8b01da0a1d3d8ce0b3b75c1f5fa2cbab
Signed-off-by: Kane Chen <kane.chen@intel.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/83896
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hsuan-ting Chen <roccochen@google.com>
Reviewed-by: Peter Marheine <pmarheine@chromium.org>
This commit is contained in:
Kane Chen
2024-08-13 16:40:08 +08:00
committed by Peter Marheine
parent 33dda3387c
commit 1197f0832d
3 changed files with 22 additions and 1 deletions
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7
meson.build
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@@ -165,6 +165,13 @@ libusb1 = dependency('libusb-1.0', required : group_usb)
libftdi1 = dependency('libftdi1', required : group_ftdi)
libjaylink = dependency('libjaylink', required : group_jlink, version : '>=0.3.0')
# ECAM is supported in libpci after 3.13.0
if libpci.version().version_compare('>=3.13.0')
add_project_arguments('-DCONFIG_USE_LIBPCI_ECAM=1', language: 'c')
else
add_project_arguments('-DCONFIG_USE_LIBPCI_ECAM=0', language: 'c')
endif
if host_machine.system() == 'windows'
# Specifying an include_path that doesn't exist is an error,
# but we only use this if the library is found in the same directory.