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/*
* This file is part of the libpayload project.
*
* Copyright (C) 2008 Advanced Micro Devices, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _SYSINFO_H
#define _SYSINFO_H
/* Maximum number of memory range definitions. */
#define SYSINFO_MAX_MEM_RANGES 32
/* Allow a maximum of 8 GPIOs */
#define SYSINFO_MAX_GPIOS 8
/* Up to 10 MAC addresses */
#define SYSINFO_MAX_MACS 10
#include <coreboot_tables.h>
struct cb_serial;
/*
* All pointers in here shall be virtual.
*
* If a relocation happens after the last call to lib_get_sysinfo(),
* it is up to the user to call lib_get_sysinfo() again.
*/
struct sysinfo_t {
unsigned int cpu_khz;
struct cb_serial *serial;
unsigned short ser_ioport;
unsigned long ser_base; // for mmapped serial
int n_memranges;
struct memrange {
unsigned long long base;
unsigned long long size;
unsigned int type;
} memrange[SYSINFO_MAX_MEM_RANGES];
struct cb_cmos_option_table *option_table;
u32 cmos_range_start;
u32 cmos_range_end;
u32 cmos_checksum_location;
u32 vbnv_start;
u32 vbnv_size;
char *version;
char *extra_version;
char *build;
char *compile_time;
char *compile_by;
char *compile_host;
char *compile_domain;
char *compiler;
char *linker;
char *assembler;
char *cb_version;
struct cb_framebuffer *framebuffer;
int num_gpios;
struct cb_gpio gpios[SYSINFO_MAX_GPIOS];
int num_macs;
struct mac_address macs[SYSINFO_MAX_MACS];
char *serialno;
unsigned long *mbtable; /** Pointer to the multiboot table */
struct cb_header *header;
struct cb_mainboard *mainboard;
void *vboot_handoff;
u32 vboot_handoff_size;
#if IS_ENABLED(CONFIG_LP_ARCH_X86)
int x86_rom_var_mtrr_index;
#endif
void *tstamp_table;
void *cbmem_cons;
void *mrc_cache;
void *acpi_gnvs;
#define UNDEFINED_STRAPPING_ID (~0)
u32 board_id;
u32 ram_code;
u32 sku_id;
void *wifi_calibration;
uint64_t ramoops_buffer;
uint32_t ramoops_buffer_size;
struct {
uint32_t size;
uint32_t sector_size;
uint32_t erase_cmd;
} spi_flash;
uint64_t fmap_offset;
uint64_t cbfs_offset;
uint64_t cbfs_size;
uint64_t boot_media_size;
uint64_t mtc_start;
uint32_t mtc_size;
void *chromeos_vpd;
};
extern struct sysinfo_t lib_sysinfo;
/*
* Check if this is an architecture specific coreboot table record and process
* it, if it is. Return 1 if record type was recognized, 0 otherwise.
*/
int cb_parse_arch_specific(struct cb_record *rec, struct sysinfo_t *info);
/*
* Check if the region in range addr..addr+len contains a 16 byte aligned
* coreboot table. If it does - process the table filling up the sysinfo
* structure with information from the table. Return 0 on success and -1 on
* failure.
*/
int cb_parse_header(void *addr, int len, struct sysinfo_t *info);
#endif
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