1 files changed, 50 insertions, 0 deletions
diff --git a/src/soc/cavium/cn81xx/bootblock.c b/src/soc/cavium/cn81xx/bootblock.c
new file mode 100644
index 0000000000..8517467de1
--- /dev/null
+++ b/src/soc/cavium/cn81xx/bootblock.c
@@ -0,0 +1,50 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018       Facebook, Inc.
+ * Copyright 2003-2017  Cavium Inc.  <support@cavium.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Derived from Cavium's BSD-3 Clause OCTEONTX-SDK-6.2.0.
+ */
+
+#include <arch/io.h>
+#include <commonlib/helpers.h>
+#include <soc/bootblock.h>
+#include <soc/sysreg.h>
+#include <soc/timer.h>
+#include <libbdk-arch/bdk-asm.h>
+
+static void init_sysreg(void)
+{
+	/* The defaults for write buffer timeouts are poor */
+	u64 cvmmemctl0;
+	BDK_MRS(s3_0_c11_c0_4, cvmmemctl0);
+	cvmmemctl0 |= AP_CVMMEMCTL0_EL1_WBFTONSHENA |
+		AP_CVMMEMCTL0_EL1_WBFTOMRGCLRENA;
+	BDK_MSR(s3_0_c11_c0_4, cvmmemctl0);
+}
+
+void bootblock_soc_early_init(void)
+{
+}
+
+void bootblock_soc_init(void)
+{
+	/* initialize system registers */
+	init_sysreg();
+
+	/* Set watchdog to 5 seconds timeout */
+	watchdog_set(0, 5000);
+	watchdog_poke(0);
+
+	/* TODO: additional clock init? */
+}