| /* |
| * |
| * 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; |
| uintptr_t acpi_cnvs; |
| |
| #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 |
| /* USB Type-C Port Configuration Info */ |
| uintptr_t type_c_info; |
| |
| /* CBFS RW/RO Metadata Cache */ |
| uintptr_t cbfs_ro_mcache_offset; |
| uint32_t cbfs_ro_mcache_size; |
| uintptr_t cbfs_rw_mcache_offset; |
| uint32_t cbfs_rw_mcache_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 |