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authorKapil Porwal <kapilporwal@google.com>2024-05-26 16:23:17 +0000
committerMartin L Roth <gaumless@gmail.com>2024-06-07 22:30:57 +0000
commit83cd6f9f89eb473522a9a6536601acb64dd2863c (patch)
treeab8f5e25210dab5e8ea9e0c328761f3cbd4b66c4
parent9a5cc9558616def2054d71f6ce82a7350b24e4b9 (diff)
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soc/intel/cmn/cse: Support CSE sync from payload
Skip CSE sync in coreboot when payload is doing it. BUG=b:305898363 TEST=Verify CSE sync from depthcharge on Screebo Change-Id: Ifa942576c803b8ec9e1e59c61917a14154fb94b2 Signed-off-by: Kapil Porwal <kapilporwal@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/82660 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Subrata Banik <subratabanik@google.com> Reviewed-by: Dinesh Gehlot <digehlot@google.com>
-rw-r--r--src/soc/intel/common/block/cse/Kconfig10
-rw-r--r--src/soc/intel/common/block/cse/cse_lite.c6
2 files changed, 16 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/cse/Kconfig b/src/soc/intel/common/block/cse/Kconfig
index b0524ea4f808..edc7e23d1b3b 100644
--- a/src/soc/intel/common/block/cse/Kconfig
+++ b/src/soc/intel/common/block/cse/Kconfig
@@ -150,6 +150,16 @@ config SOC_INTEL_CSE_SEND_EOP_BY_PAYLOAD
In this case, the HECI interface needs to stay visible and the payload must support
sending commands to CSE.
+config SOC_INTEL_CSE_LITE_SYNC_BY_PAYLOAD
+ bool
+ depends on SOC_INTEL_COMMON_BLOCK_CSE
+ help
+ Use this config to specify that the payload will update the CSE RW partition instead
+ of coreboot.
+
+ In this case, CSE shall not switch to RW partition and the payload must support
+ CSE RW update.
+
config SOC_INTEL_CSE_LITE_SKU
bool
default n
diff --git a/src/soc/intel/common/block/cse/cse_lite.c b/src/soc/intel/common/block/cse/cse_lite.c
index 3579bcea78dd..6e5b451c1249 100644
--- a/src/soc/intel/common/block/cse/cse_lite.c
+++ b/src/soc/intel/common/block/cse/cse_lite.c
@@ -923,6 +923,9 @@ static bool is_cse_fw_update_enabled(void)
if (!CONFIG(SOC_INTEL_CSE_RW_UPDATE))
return false;
+ if (CONFIG(SOC_INTEL_CSE_LITE_SYNC_BY_PAYLOAD))
+ return false;
+
if (CONFIG(SOC_INTEL_COMMON_BASECODE_DEBUG_FEATURE))
return !is_debug_cse_fw_update_disable();
@@ -1499,6 +1502,9 @@ static void do_cse_fw_sync(void)
void cse_fw_sync(void)
{
+ if (CONFIG(SOC_INTEL_CSE_LITE_SYNC_BY_PAYLOAD))
+ return;
+
timestamp_add_now(TS_CSE_FW_SYNC_START);
do_cse_fw_sync();
timestamp_add_now(TS_CSE_FW_SYNC_END);