nxp: platform files for bl2 and bl31 setup
For NXP platforms:
- Setup files for BL2 and BL31
- Other supporting files.
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: I36a1183a0652701bdede9e02d41eb976accbb017
diff --git a/plat/nxp/common/setup/ls_err.c b/plat/nxp/common/setup/ls_err.c
new file mode 100644
index 0000000..845cd15
--- /dev/null
+++ b/plat/nxp/common/setup/ls_err.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <errno.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include <arch_helpers.h>
+#include <common/debug.h>
+
+#if TRUSTED_BOARD_BOOT
+#include <dcfg.h>
+#include <snvs.h>
+#endif
+
+#include "plat_common.h"
+
+/*
+ * Error handler
+ */
+void plat_error_handler(int err)
+{
+#if TRUSTED_BOARD_BOOT
+ uint32_t mode;
+ bool sb = check_boot_mode_secure(&mode);
+#endif
+
+ switch (err) {
+ case -ENOENT:
+ case -EAUTH:
+ printf("Authentication failure\n");
+#if TRUSTED_BOARD_BOOT
+ /* For SB production mode i.e ITS = 1 */
+ if (sb == true) {
+ if (mode == 1U) {
+ transition_snvs_soft_fail();
+ } else {
+ transition_snvs_non_secure();
+ }
+ }
+#endif
+ break;
+ default:
+ /* Unexpected error */
+ break;
+ }
+
+ /* Loop until the watchdog resets the system */
+ for (;;)
+ wfi();
+}