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-rw-r--r--firmware/lib/ec_sync_all.c32
-rw-r--r--tests/ec_sync_tests.c9
2 files changed, 26 insertions, 15 deletions
diff --git a/firmware/lib/ec_sync_all.c b/firmware/lib/ec_sync_all.c
index 96e0d83c..e38dafb8 100644
--- a/firmware/lib/ec_sync_all.c
+++ b/firmware/lib/ec_sync_all.c
@@ -64,7 +64,7 @@ VbError_t ec_sync_all(struct vb2_context *ctx)
struct vb2_shared_data *sd = vb2_get_sd(ctx);
VbSharedDataHeader *shared = sd->vbsd;
VbAuxFwUpdateSeverity_t fw_update = VB_AUX_FW_NO_UPDATE;
- VbError_t rv;
+ VbError_t rv, update_aux_fw_rv = VBERROR_SUCCESS;
/* Phase 1; this determines if we need an update */
VbError_t phase1_rv = ec_sync_phase1(ctx);
@@ -107,19 +107,29 @@ VbError_t ec_sync_all(struct vb2_context *ctx)
display_wait_screen(ctx, "AUX FW");
}
- /*
- * Do Aux FW software sync and protect devices tunneled through the EC.
- * Aux FW update may request RO reboot to force EC cold reset so also
- * unload the option ROM if needed to prevent a second reboot.
- */
- rv = ec_sync_update_aux_fw(ctx);
- if (rv) {
- ec_sync_unload_oprom(ctx, shared, need_wait_screen);
- return rv;
+ /* Do Aux FW software sync */
+ if (fw_update > VB_AUX_FW_NO_UPDATE) {
+ update_aux_fw_rv = ec_sync_update_aux_fw(ctx);
+ /*
+ * If requesting EC reboot to RO (because some tunnels are
+ * protected), do not disable the display to avoid reboot
+ * during display re-init.
+ */
+ if (update_aux_fw_rv == VBERROR_EC_REBOOT_TO_RO_REQUIRED)
+ return update_aux_fw_rv;
}
- /* Reboot to unload VGA Option ROM if needed */
+ /* Reboot to unload VGA Option ROM for both slow EC & AUX FW updates */
rv = ec_sync_unload_oprom(ctx, shared, need_wait_screen);
+ /* Something went wrong during AUX FW update */
+ if (update_aux_fw_rv)
+ return update_aux_fw_rv;
+ /*
+ * AUX FW Update is applied successfully. Request EC reboot to RO,
+ * so that the chips that had FW update gets reset to a clean state.
+ */
+ if (fw_update > VB_AUX_FW_NO_UPDATE)
+ return VBERROR_EC_REBOOT_TO_RO_REQUIRED;
if (rv)
return rv;
diff --git a/tests/ec_sync_tests.c b/tests/ec_sync_tests.c
index 1822fd75..3a820de0 100644
--- a/tests/ec_sync_tests.c
+++ b/tests/ec_sync_tests.c
@@ -431,23 +431,24 @@ static void VbSoftwareSyncTest(void)
ResetMocks();
ec_aux_fw_mock_severity = VB_AUX_FW_FAST_UPDATE;
- test_ssync(VBERROR_SUCCESS, 0,
+ test_ssync(VBERROR_EC_REBOOT_TO_RO_REQUIRED, 0,
"Fast auxiliary FW update needed");
TEST_EQ(screens_count, 0,
" wait screen skipped");
TEST_EQ(ec_aux_fw_update_req, 1, " aux fw update requested");
- TEST_EQ(ec_aux_fw_protected, 1, " aux fw protected");
+ TEST_EQ(ec_aux_fw_protected, 0, " aux fw protected");
ResetMocks();
ec_aux_fw_mock_severity = VB_AUX_FW_SLOW_UPDATE;
- test_ssync(VBERROR_SUCCESS, 0,
+ test_ssync(VBERROR_EC_REBOOT_TO_RO_REQUIRED, 0,
"Slow auxiliary FW update needed");
TEST_EQ(ec_aux_fw_update_req, 1, " aux fw update requested");
- TEST_EQ(ec_aux_fw_protected, 1, " aux fw protected");
+ TEST_EQ(ec_aux_fw_protected, 0, " aux fw protected");
TEST_EQ(screens_displayed[0], VB_SCREEN_WAIT,
" wait screen forced");
ResetMocks();
+ ec_aux_fw_mock_severity = VB_AUX_FW_FAST_UPDATE;
ec_aux_fw_retval = VBERROR_UNKNOWN;
test_ssync(VBERROR_UNKNOWN, VB2_RECOVERY_AUX_FW_UPDATE,
"Error updating AUX firmware");