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| author | Karthikeyan Ramasubramanian <kramasub@google.com> | 2021-09-10 12:03:30 -0600 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-09-27 13:40:03 +0000 |
| commit | c2f6f35b3a23a8c598dc0f13f7248f3567d8aaa2 (patch) | |
| tree | 9d3745fa31e40500027703bacc2e4dc104f4dfb9 /src/soc/amd/common/psp_verstage/Kconfig | |
| parent | f0d9c1212c784158ee4e06e85feb19544e82cd65 (diff) | |
| download | coreboot-c2f6f35b3a23a8c598dc0f13f7248f3567d8aaa2.tar.gz coreboot-c2f6f35b3a23a8c598dc0f13f7248f3567d8aaa2.tar.bz2 coreboot-c2f6f35b3a23a8c598dc0f13f7248f3567d8aaa2.zip | |
soc/amd/common/psp_verstage: Introduce boot device driver
PSP verstage can access the boot device either in Programmed I/O mode or
DMA mode. Introduce a boot device driver and use the appropriate mode
based on the SoC support.
BUG=b:194990811
TEST=Build and boot to OS in Guybrush.
Change-Id: I8ca5290156199548916852e48f4e11de7cb886fb
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57563
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd/common/psp_verstage/Kconfig')
| -rw-r--r-- | src/soc/amd/common/psp_verstage/Kconfig | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/soc/amd/common/psp_verstage/Kconfig b/src/soc/amd/common/psp_verstage/Kconfig new file mode 100644 index 000000000000..834abaaa5ffb --- /dev/null +++ b/src/soc/amd/common/psp_verstage/Kconfig @@ -0,0 +1,7 @@ +config PSP_VERSTAGE_CCP_DMA + bool + default n + help + Configure PSP Verstage to use Crypto Co-processor (CCP) DMA while + accessing the boot device. Select it on platforms which supports + using CCP DMA to access the boot device. |