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| author | Duncan Laurie <dlaurie@chromium.org> | 2015-02-19 16:21:10 -0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-04-18 08:52:59 +0200 |
| commit | aafdddfc3825580ecf1b73f0e423b5637e27e556 (patch) | |
| tree | 113aeda1a83236d610a1ca221051e52de5e33756 /src/soc/intel/broadwell/cpu.c | |
| parent | 2f2a5e54a7614f16169718a90c7cf059ac4165e4 (diff) | |
| download | coreboot-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')
0 files changed, 0 insertions, 0 deletions