Merge changes I0d17ba6c,I540741d2,I9e6475ad,Ifd769320,I12c04a85, ... into integration

* changes:
  plat/mediatek/mt81*: Use new bl31_params_parse() helper
  plat/rockchip: Use new bl31_params_parse_helper()
  Add helper to parse BL31 parameters (both versions)
  Factor out cross-BL API into export headers suitable for 3rd party code
  Use explicit-width data types in AAPCS parameter structs
  plat/rockchip: Switch to use new common BL aux parameter library
  Introduce lightweight BL platform parameter library

1 files changed, 33 insertions, 0 deletions

diff --git a/lib/bl_aux_params/bl_aux_params.c b/lib/bl_aux_params/bl_aux_params.c
new file mode 100644
index 00000000..7a8115c6
--- /dev/null
+++ b/lib/bl_aux_params/bl_aux_params.c
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/debug.h>
+#include <lib/coreboot.h>
+#include <lib/bl_aux_params/bl_aux_params.h>
+
+void bl_aux_params_parse(u_register_t head,
+			 bl_aux_param_handler_t handler)
+{
+	struct bl_aux_param_header *p;
+
+	for (p = (void *)head; p; p = (void *)(uintptr_t)p->next) {
+		if (handler && handler(p))
+			continue;
+
+		switch (p->type) {
+#if COREBOOT
+		case BL_AUX_PARAM_COREBOOT_TABLE:
+			coreboot_table_setup((void *)(uintptr_t)
+				((struct bl_aux_param_uint64 *)p)->value);
+			break;
+#endif
+		default:
+			ERROR("Ignoring unknown BL aux parameter: 0x%llx",
+			      p->type);
+			break;
+		}
+	}
+}