170 lines
4.6 KiB
C
170 lines
4.6 KiB
C
/*
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*
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* Copyright (C) 2008 Advanced Micro Devices, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _SYSINFO_H
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#define _SYSINFO_H
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#include <pci/pci.h>
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#include <stdint.h>
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/* Maximum number of memory range definitions. */
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#define SYSINFO_MAX_MEM_RANGES 32
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/* Allow a maximum of 8 GPIOs */
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#define SYSINFO_MAX_GPIOS 8
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/* Up to 10 MAC addresses */
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#define SYSINFO_MAX_MACS 10
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/* Maximum of 2 MMAP windows for decoding SPI flash. */
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#define SYSINFO_MAX_MMAP_WINDOWS 2
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#include <coreboot_tables.h>
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/*
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* This is a collection of information and pointers gathered
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* mostly from the coreboot table.
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*
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* We do not store virtual pointers in here to avoid problems
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* with self-relocating payloads.
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*/
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struct sysinfo_t {
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unsigned int cpu_khz;
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uintptr_t cb_serial;
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unsigned short ser_ioport;
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unsigned long ser_base; // for mmapped serial
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int n_memranges;
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struct memrange {
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unsigned long long base;
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unsigned long long size;
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unsigned int type;
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} memrange[SYSINFO_MAX_MEM_RANGES];
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uintptr_t cmos_option_table;
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u32 cmos_range_start;
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u32 cmos_range_end;
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u32 cmos_checksum_location;
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u32 vbnv_start;
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u32 vbnv_size;
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uintptr_t version;
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uintptr_t extra_version;
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uintptr_t build;
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uintptr_t compile_time;
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uintptr_t compile_by;
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uintptr_t compile_host;
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uintptr_t compile_domain;
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uintptr_t compiler;
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uintptr_t linker;
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uintptr_t assembler;
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uintptr_t cb_version;
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struct cb_framebuffer framebuffer;
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int num_gpios;
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struct cb_gpio gpios[SYSINFO_MAX_GPIOS];
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int num_macs;
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struct mac_address macs[SYSINFO_MAX_MACS];
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uintptr_t serialno;
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unsigned long *mbtable; /** Pointer to the multiboot table */
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uintptr_t cb_header;
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uintptr_t cb_mainboard;
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uintptr_t vboot_workbuf;
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#if CONFIG(LP_ARCH_X86)
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int x86_rom_var_mtrr_index;
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#endif
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uintptr_t tstamp_table;
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uintptr_t cbmem_cons;
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uintptr_t mrc_cache;
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uintptr_t acpi_gnvs;
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uintptr_t acpi_cnvs;
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#define UNDEFINED_STRAPPING_ID (~0)
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#define UNDEFINED_FW_CONFIG ~((uint64_t)0)
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u32 board_id;
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u32 ram_code;
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u32 sku_id;
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/*
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* A payload using this field is responsible for ensuring it checks its
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* value against UNDEFINED_FW_CONFIG before using it.
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*/
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u64 fw_config;
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uintptr_t wifi_calibration;
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uint64_t ramoops_buffer;
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uint32_t ramoops_buffer_size;
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struct {
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uint32_t size;
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uint32_t sector_size;
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uint32_t erase_cmd;
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uint32_t mmap_window_count;
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struct flash_mmap_window mmap_table[SYSINFO_MAX_MMAP_WINDOWS];
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} spi_flash;
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uint64_t fmap_offset;
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uint64_t cbfs_offset;
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uint64_t cbfs_size;
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uint64_t boot_media_size;
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uint64_t mtc_start;
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uint32_t mtc_size;
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uintptr_t chromeos_vpd;
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int mmc_early_wake_status;
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/* Pointer to FMAP cache in CBMEM */
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uintptr_t fmap_cache;
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#if CONFIG(LP_PCI)
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struct pci_access pacc;
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#endif
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};
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extern struct sysinfo_t lib_sysinfo;
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/*
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* Check if this is an architecture specific coreboot table record and process
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* it, if it is. Return 1 if record type was recognized, 0 otherwise.
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*/
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int cb_parse_arch_specific(struct cb_record *rec, struct sysinfo_t *info);
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/*
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* Check if the region in range addr..addr+len contains a 16 byte aligned
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* coreboot table. If it does - process the table filling up the sysinfo
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* structure with information from the table. Return 0 on success and -1 on
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* failure.
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*/
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int cb_parse_header(void *addr, int len, struct sysinfo_t *info);
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#endif
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