From 4911c3e352527c19e0bd7a724a4d20b7091a59ad Mon Sep 17 00:00:00 2001
From: Felix Held <felix-coreboot@felixheld.de>
Date: Tue, 8 Dec 2020 17:39:26 +0100
Subject: soc/amd/cezanne: call bootblock_main_with_basetime in
 bootblock_c_entry

Change-Id: Iaac661fcb7581236ace4b5bf057b3e70289f1c8b
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48473
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
---
 src/soc/amd/cezanne/bootblock.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/soc')

diff --git a/src/soc/amd/cezanne/bootblock.c b/src/soc/amd/cezanne/bootblock.c
index 3fd567720e..7fe9f81e28 100644
--- a/src/soc/amd/cezanne/bootblock.c
+++ b/src/soc/amd/cezanne/bootblock.c
@@ -2,11 +2,20 @@
 
 #include <amdblocks/amd_pci_mmconf.h>
 #include <bootblock_common.h>
+#include <cpu/x86/tsc.h>
 #include <stdint.h>
 
 asmlinkage void bootblock_c_entry(uint64_t base_timestamp)
 {
 	enable_pci_mmconf();
+
+	/*
+	 * base_timestamp is raw tsc value. We need to divide by tsc_freq_mhz
+	 * to get micro-seconds granularity.
+	 */
+	base_timestamp /= tsc_freq_mhz();
+
+	bootblock_main_with_basetime(base_timestamp);
 }
 
 void bootblock_soc_early_init(void)
-- 
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