Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 46 insertions, 0 deletions

diff --git a/plat/intel/soc/common/sip/socfpga_sip_ecc.c b/plat/intel/soc/common/sip/socfpga_sip_ecc.c
new file mode 100644
index 0000000..c4e06a6
--- /dev/null
+++ b/plat/intel/soc/common/sip/socfpga_sip_ecc.c
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2020-2022, ARM Limited and Contributors. All rights reserved.
+ */
+
+#include <assert.h>
+#include <common/debug.h>
+#include <common/runtime_svc.h>
+#include <lib/mmio.h>
+#include <tools_share/uuid.h>
+
+#include "socfpga_fcs.h"
+#include "socfpga_mailbox.h"
+#include "socfpga_reset_manager.h"
+#include "socfpga_sip_svc.h"
+#include "socfpga_system_manager.h"
+
+uint32_t intel_ecc_dbe_notification(uint64_t dbe_value)
+{
+	dbe_value &= WARM_RESET_WFI_FLAG;
+
+	/* Trap CPUs in WFI if warm reset flag is set */
+	if (dbe_value > 0) {
+		while (1) {
+			wfi();
+		}
+	}
+
+	return INTEL_SIP_SMC_STATUS_OK;
+}
+
+bool cold_reset_for_ecc_dbe(void)
+{
+	uint32_t dbe_int_status;
+
+	dbe_int_status = mmio_read_32(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_8));
+
+	/* Trigger cold reset only for error in critical memory (DDR/OCRAM) */
+	dbe_int_status &= SYSMGR_ECC_DBE_COLD_RST_MASK;
+
+	if (dbe_int_status > 0) {
+		return true;
+	}
+
+	return false;
+}