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authorMatt DeVillier <matt.devillier@gmail.com>2017-06-27 13:07:43 -0500
committerPatrick Rudolph <siro@das-labor.org>2017-10-13 05:17:45 +0000
commit53e41956256bdf52bb5823838c62674e0e838861 (patch)
tree7b76ccfa8293d7caee4d38185810a2347af1509b /src/northbridge
parent74145f7615b67acae77fdf45c3e7f3f373b9b2c7 (diff)
drv/intel/gma/opregion: Add common init_idg_opregion()
Add a new common method to initialize ACPI OpRegion. * Try to locate vbt.bin in CBFS. * Try to locate VBIOS in CBFS. * Keep existing code to probe at 0xc0000. Tested on Lenovo T430 (sandybridge) using vbt.bin, tested using buggy VBIOS with wrong vbt_offset, tested with fake vbt written by NGI at 0xc0000. Tested with https://review.coreboot.org/#/c/21766/ on i945 (using fake vbt at 0xc0000), x4x (using vbt.bin) and gm45 (using vendor VBIOS). In all cases linux was successfully provided with VBT from ACPI opregion. Change-Id: I8ee50ea9900537bd9e3ca5ab0cd3f48d2acec970 Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Signed-off-by: Patrick Rudolph <siro@das-labor.org> Reviewed-on: https://review.coreboot.org/20969 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
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