/* * 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; #if IS_ENABLED(CONFIG_LP_CHROMEOS) u32 vbnv_start; u32 vbnv_size; #endif 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; #if IS_ENABLED(CONFIG_LP_CHROMEOS) int num_gpios; struct cb_gpio gpios[SYSINFO_MAX_GPIOS]; int num_macs; struct mac_address macs[SYSINFO_MAX_MACS]; char *serialno; #endif unsigned long *mbtable; /** Pointer to the multiboot table */ struct cb_header *header; struct cb_mainboard *mainboard; #if IS_ENABLED(CONFIG_LP_CHROMEOS) void *vboot_handoff; u32 vboot_handoff_size; void *vdat_addr; u32 vdat_size; #endif #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; u32 board_id; u32 ram_code; 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; }; 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