diff options
| author | Marshall Dawson <marshalldawson3rd@gmail.com> | 2018-01-24 21:00:55 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2018-01-26 22:38:05 +0000 |
| commit | 50cc53d0a9189ad6c58a5160676703a7f2853ef5 (patch) | |
| tree | 321fe7a27bb58f08bccb2910a901c1e58484a0ac /src/security/vboot | |
| parent | 7539b8c3914ca949b2cb1172f3c9c539cee48d4b (diff) | |
amd/stoneyridge: Convert BiosRam access to MMIO
Change the BiosRam read/write functions to use the fixed MMIO range at
0xfed80500. This is faster than two accesses per byte when using I/O
0xcd4/0xcd5.
Note that BiosRam may only be accessed byte-by-byte. It does not decode
normally.
Change-Id: I9d8baf2bd5d9d48a87bddfb6a0b86e292a8fdf7d
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/23436
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Diffstat (limited to 'src/security/vboot')
0 files changed, 0 insertions, 0 deletions