blob: dda3173a26c49b4ceded5e261a0015ada791d47c [file] [log] [blame]
/*
* 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 address);
void coreboot_table_setup(void *base);
#endif /* COREBOOT_H */