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authorDuncan Laurie <dlaurie@chromium.org>2015-02-19 16:21:10 -0800
committerPatrick Georgi <pgeorgi@google.com>2015-04-18 08:52:59 +0200
commitaafdddfc3825580ecf1b73f0e423b5637e27e556 (patch)
tree113aeda1a83236d610a1ca221051e52de5e33756 /src/soc/intel/broadwell/cpu.c
parent2f2a5e54a7614f16169718a90c7cf059ac4165e4 (diff)
downloadcoreboot-aafdddfc3825580ecf1b73f0e423b5637e27e556.tar.xz
broadwell: Disable XHCI compliance mode entry
To avoid entries with Type-C alternate mode devices disable compliance mode entry. This needs to be set on both boot and resume. BUG=chrome-os-partner:35320 BRANCH=samus TEST=manual: 1) boot on samus with USB keyboard plugged in -> controller in D0 at boot 2) iotools mmio_read32 0xe12080ec == 0x18010c01 3) suspend and resume 4) iotools mmio_read32 0xe12080ec == 0x18010c01 5) remove USB keyboard -> controller in D3 6) iotools mmio_read32 0xe12080ec == 0xffffffff 7) plug in USB keyboard -> controller in D0 8) iotools mmio_read32 0xe12080ec == 0x18010c01 9) boot with no external USB devices -> controller in D3 at boot 10) iotools mmio_read32 0xe12080ec == 0xffffffff 11) plug in USB keyboard -> controller in D0 12) iotools mmio_read32 0xe12080ec == 0x18010c01 Change-Id: I4d566112b3c188bafdf9a4bbd92944c89500e3e8 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: db8c8ab8ff25f6a39cd50dcc91b5ba9fd7d05059 Original-Change-Id: I8b68ba75e254a7e236c869f4470207eb5290053d Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/251361 Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-on: http://review.coreboot.org/9782 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/soc/intel/broadwell/cpu.c')
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