GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/trusted-firmware/trusted-firmware-a-2.8/plat/amlogic/common/aml_efuse.c

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdint.h>
+
+#include "aml_private.h"
+
+#define EFUSE_BASE	0x140
+#define EFUSE_SIZE	0xC0
+
+uint64_t aml_efuse_read(void *dst, uint32_t offset, uint32_t size)
+{
+	if ((uint64_t)(offset + size) > (uint64_t)EFUSE_SIZE)
+		return 0;
+
+	return aml_scpi_efuse_read(dst, offset + EFUSE_BASE, size);
+}
+
+uint64_t aml_efuse_user_max(void)
+{
+	return EFUSE_SIZE;
+}