soc/amd/cezanne: Enable CCP DMA
Enable CCP DMA use in PSP verstage. This helps to reduce the boot time.
BUG=b:194990811
TEST=Build and boot to OS in Guybrush. Observed a 35 - 40 ms improvement
in the boot time.
Before CCP DMA:
508:finished loading body 898,286 (287,576)
Total Time: 2,146,182
After CCP DMA:
508:finished loading body 853,627 (240,061)
Total Time: 2,110,117
Cq-Depend: chrome-internal:4116566
Change-Id: I6e4f081622a2ec78763adf56548204efc1bccf39
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57564
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
diff --git a/src/soc/amd/cezanne/Kconfig b/src/soc/amd/cezanne/Kconfig
index 46e6017..487b9f5 100644
--- a/src/soc/amd/cezanne/Kconfig
+++ b/src/soc/amd/cezanne/Kconfig
@@ -32,6 +32,7 @@
select PARALLEL_MP_AP_WORK
select PLATFORM_USES_FSP2_0
select PROVIDES_ROM_SHARING
+ select PSP_VERSTAGE_CCP_DMA if VBOOT_STARTS_BEFORE_BOOTBLOCK
select RESET_VECTOR_IN_RAM
select RTC
select SOC_AMD_COMMON