diff options
| author | Raul E Rangel <rrangel@chromium.org> | 2021-06-25 11:24:38 -0600 |
|---|---|---|
| committer | Raul Rangel <rrangel@chromium.org> | 2021-07-18 15:17:30 +0000 |
| commit | 61f44127f0c06688343fdfa3f518a58b4efe170c (patch) | |
| tree | 869a1413ce1c155ef489dfe6a6bd643b777f75b7 /src/mainboard/intel/kblrvp/mainboard.c | |
| parent | fca58334c8e08427ff9f87e5d121f487d7f45484 (diff) | |
soc/amd/cezanne: Start loading APOB asynchronously
This enables COOP_MULTITASKING (i.e., multiple stacks single CPU). This
will allow the APOB to start loading while FSP-S executes.
BUG=b:179699789
TEST=Boot guybrush and verify APOB read timestamp has dropped from 10ms
to a few uS.
Starting APOB preload
APOB thread running
spi_dma_readat_dma: start: dest: 0xcb7aa640, offset: 0x0, size: 65536
took 0 us to acquire mutex
start_spi_dma_transaction: dest: 0xcb7aa640, offset: 0x0, remaining: 65536
<ramstage doing work>
spi_dma_readat_dma: end: dest: 0xcb7aa640, offset: 0x0, size: 65536, remaining: 0
<more work..>
waiting for thread
took 0 us
APOB valid copy is already in flash
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I4b5c1ef4cad571d1cbca33b1aff017a3cedc1bea
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56234
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/intel/kblrvp/mainboard.c')
0 files changed, 0 insertions, 0 deletions