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

2026-09-06 03:52:57 +08:00
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+/*
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef COREBOOT_H
+#define COREBOOT_H
+
+#include <stdint.h>
+
+typedef struct {
+	uint32_t type;			/* always 2 (memory-mapped) on ARM */
+	uint32_t baseaddr;
+	uint32_t baud;
+	uint32_t regwidth;		/* in bytes, i.e. usually 4 */
+	uint32_t input_hertz;
+	uint32_t uart_pci_addr;		/* unused on current ARM systems */
+} coreboot_serial_t;
+extern coreboot_serial_t coreboot_serial;
+
+#define COREBOOT_MAX_MEMRANGES	32	/* libpayload also uses this limit */
+
+typedef struct __packed {
+	uint64_t start;
+	uint64_t size;
+	uint32_t type;
+} coreboot_memrange_t;
+extern coreboot_memrange_t coreboot_memranges[COREBOOT_MAX_MEMRANGES];
+
+typedef enum {
+	CB_MEM_NONE		= 0,	/* coreboot will never report this */
+	CB_MEM_RAM		= 1,
+	CB_MEM_RESERVED		= 2,
+	CB_MEM_ACPI		= 3,
+	CB_MEM_NVS		= 4,
+	CB_MEM_UNUSABLE		= 5,
+	CB_MEM_VENDOR_RSVD	= 6,
+	CB_MEM_TABLE		= 16,
+} coreboot_memory_t;
+
+coreboot_memory_t coreboot_get_memory_type(uintptr_t start, size_t size);
+void coreboot_table_setup(void *base);
+
+#endif /* COREBOOT_H */