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authorFurquan Shaikh <furquan@google.com>2020-09-21 22:44:27 +0000
committerSubrata Banik <subrata.banik@intel.com>2020-09-22 05:13:39 +0000
commitb13bd1efcf568bb220500ca94e4de097f3bed9ec (patch)
tree498a45a955bbd97da0995a966e9356ae6236ce94 /src/soc/intel/skylake/me.c
parent5bd4adf542abea433c98c72f7423762109412d4d (diff)
Revert "soc/intel: Refactor do_global_reset() function"
This reverts commit 77cc3267fc970c710299a164ecbc471f9287d719. Reason for revert: Breaks quark and also needs breaking down into multiple CLs as commented by Nico on CB:45541 Change-Id: Idf4ca74158df15483856754ee24cc4472a8e09b0 Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/44997 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Diffstat (limited to 'src/soc/intel/skylake/me.c')
-rw-r--r--src/soc/intel/skylake/me.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/me.c b/src/soc/intel/skylake/me.c
index 1b222f313c..c37f6925c3 100644
--- a/src/soc/intel/skylake/me.c
+++ b/src/soc/intel/skylake/me.c
@@ -338,6 +338,25 @@ void intel_me_status(void)
}
}
+int send_global_reset(void)
+{
+ int status = -1;
+ union me_hfsts1 hfs1;
+
+ if (!is_cse_enabled())
+ goto ret;
+
+ /* Check ME operating mode */
+ hfs1.data = me_read_config32(PCI_ME_HFSTS1);
+ if (hfs1.fields.operation_mode)
+ goto ret;
+
+ /* ME should be in Normal Mode for this command */
+ status = cse_request_global_reset();
+ret:
+ return status;
+}
+
/*
* This can't be put in intel_me_status because by the time control
* reaches there, ME doesn't respond to GET_FW_VERSION command.