Add BL2 support for Broadcom stingray platform
Change-Id: I5daa3f2b4b9d85cb857547a588571a9aa8ad05c2
Signed-off-by: Sheetal Tigadoli <sheetal.tigadoli@broadcom.com>
diff --git a/plat/brcm/board/common/sbl_util.c b/plat/brcm/board/common/sbl_util.c
new file mode 100644
index 0000000..06e5b33
--- /dev/null
+++ b/plat/brcm/board/common/sbl_util.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2015 - 2020, Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdint.h>
+
+#include <common/debug.h>
+
+#include <platform_def.h>
+#include <sbl_util.h>
+#include <sotp.h>
+
+#pragma weak plat_sbl_status
+
+int plat_sbl_status(uint64_t sbl_status)
+{
+ return sbl_status ? 1:0;
+}
+
+int sbl_status(void)
+{
+ uint64_t sbl_sotp = 0;
+ int ret = SBL_DISABLED;
+
+ sbl_sotp = sotp_mem_read(SOTP_ATF_CFG_ROW_ID, SOTP_ROW_NO_ECC);
+
+ if (sbl_sotp != SOTP_ECC_ERR_DETECT) {
+
+ sbl_sotp &= SOTP_SBL_MASK;
+
+ if (plat_sbl_status(sbl_sotp))
+ ret = SBL_ENABLED;
+ }
+
+ VERBOSE("SBL status: %d\n", ret);
+
+ return ret;
+}