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/*
*
* 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
#include <pci/pci.h>
#include <stdint.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
/* Maximum of 2 MMAP windows for decoding SPI flash. */
#define SYSINFO_MAX_MMAP_WINDOWS 2
#include <coreboot_tables.h>
/*
* This is a collection of information and pointers gathered
* mostly from the coreboot table.
*
* We do not store virtual pointers in here to avoid problems
* with self-relocating payloads.
*/
struct sysinfo_t {
unsigned int cpu_khz;
uintptr_t cb_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];
uintptr_t cmos_option_table;
u32 cmos_range_start;
u32 cmos_range_end;
u32 cmos_checksum_location;
u32 vbnv_start;
u32 vbnv_size;
uintptr_t version;
uintptr_t extra_version;
uintptr_t build;
uintptr_t compile_time;
uintptr_t compile_by;
uintptr_t compile_host;
uintptr_t compile_domain;
uintptr_t compiler;
uintptr_t linker;
uintptr_t assembler;
uintptr_t 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];
uintptr_t serialno;
unsigned long *mbtable; /** Pointer to the multiboot table */
uintptr_t cb_header;
uintptr_t cb_mainboard;
uintptr_t vboot_workbuf;
#if CONFIG(LP_ARCH_X86)
int x86_rom_var_mtrr_index;
#endif
uintptr_t tstamp_table;
uintptr_t cbmem_cons;
uintptr_t mrc_cache;
uintptr_t acpi_gnvs;
#define UNDEFINED_STRAPPING_ID (~0)
#define UNDEFINED_FW_CONFIG ~((uint64_t)0)
u32 board_id;
u32 ram_code;
u32 sku_id;
/*
* A payload using this field is responsible for ensuring it checks its
* value against UNDEFINED_FW_CONFIG before using it.
*/
u64 fw_config;
uintptr_t wifi_calibration;
uint64_t ramoops_buffer;
uint32_t ramoops_buffer_size;
struct {
uint32_t size;
uint32_t sector_size;
uint32_t erase_cmd;
uint32_t mmap_window_count;
struct flash_mmap_window mmap_table[SYSINFO_MAX_MMAP_WINDOWS];
} 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;
uintptr_t chromeos_vpd;
int mmc_early_wake_status;
/* Pointer to FMAP cache in CBMEM */
uintptr_t fmap_cache;
#if CONFIG(LP_PCI)
struct pci_access pacc;
#endif
};
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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