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authorAaron Durbin <adurbin@chromium.org>2017-04-26 15:02:51 -0500
committerAaron Durbin <adurbin@chromium.org>2017-04-28 15:58:35 +0200
commit9c86aafe5a18068edb824faf4d2e44f0fefc6411 (patch)
treecad07a6388a956016704d6b798307b06d0933f85 /src/soc/intel/apollolake/include
parenta3d13fbd699e82781b436c88941c6d8d83133400 (diff)
soc/intel/apollolake: work around full retrain constraints on warm reset
It's come to attention that apollolake doesn't support a full retrain on warm reset. Therefore force a cold reset when a full retrain is requested in the non-S5 path. BUG=b:37687843 Change-Id: If9a3de1fa8760e7bb2f06eef93a0deb9dbd3f047 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/19483 Tested-by: build bot (Jenkins) Reviewed-by: Andrey Petrov <andrey.petrov@intel.com> Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/soc/intel/apollolake/include')
-rw-r--r--src/soc/intel/apollolake/include/soc/pm.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/include/soc/pm.h b/src/soc/intel/apollolake/include/soc/pm.h
index f754541bc2..7db63f6bdc 100644
--- a/src/soc/intel/apollolake/include/soc/pm.h
+++ b/src/soc/intel/apollolake/include/soc/pm.h
@@ -143,6 +143,9 @@
/* Memory mapped IO registers behind PMC_BASE_ADDRESS */
#define PRSTS 0x1000
#define GEN_PMCON1 0x1020
+#define COLD_BOOT_STS (1 << 27)
+#define COLD_RESET_STS (1 << 26)
+#define WARM_RESET_STS (1 << 25)
#define SRS (1 << 20)
#define RPS (1 << 2)
#define GEN_PMCON2 0x1024