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broadwell: Factor out PIRQ routing from devicetree

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All boards disable PIRQs, except purism/librem_bdw. Since IRQ0 is
invalid and modern OSes don't use PIRQ routing, disable the PIRQs.

Change-Id: I93b074474c3c6d4329903cab928dc41e1d3a3fb3
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43868
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Angel Pons
2020-07-25 15:11:15 +02:00
parent 9f78127b61
commit 4a6c0a368e
5 changed files with 11 additions and 56 deletions
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9
src/mainboard/google/jecht/devicetree.cb
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@@ -9,15 +9,6 @@ chip soc/intel/broadwell
# Enable HDMI Hotplug with 6ms pulse
register "gpu_dp_b_hotplug" = "0x06"
register "pirqa_routing" = "0x80"
register "pirqb_routing" = "0x80"
register "pirqc_routing" = "0x80"
register "pirqd_routing" = "0x80"
register "pirqe_routing" = "0x80"
register "pirqf_routing" = "0x80"
register "pirqg_routing" = "0x80"
register "pirqh_routing" = "0x80"
# SuperIO range is 0x700-0x73f
register "gen2_dec" = "0x003c0701"