mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-24 21:54:01 +00:00
x86: Add a command to display coreboot sysinfo
This information is interesting to look at and can be important for debugging and inspection. Add a command to display it in a helpful format. Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
parent
e7bae8283f
commit
71cebf0b59
5 changed files with 430 additions and 0 deletions
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@ -2251,6 +2251,15 @@ config CMD_BEDBUG
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for some PowerPC processors. For details please see the
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documentation in doc/README.bedbug.
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config CMD_CBSYSINFO
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bool "cbsysinfo"
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depends on X86
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default y if SYS_COREBOOT
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help
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This provides information about the coreboot sysinfo table stored in
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memory by coreboot before jumping to U-Boot. It can be useful for
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debugging the beaaviour of coreboot or U-Boot.
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config CMD_DIAG
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bool "diag - Board diagnostics"
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help
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@ -1,5 +1,6 @@
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# SPDX-License-Identifier: GPL-2.0+
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obj-$(CONFIG_CMD_CBSYSINFO) += cbsysinfo.o
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obj-y += mtrr.o
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obj-$(CONFIG_CMD_EXCEPTION) += exception.o
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obj-$(CONFIG_USE_HOB) += hob.o
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394
cmd/x86/cbsysinfo.c
Normal file
394
cmd/x86/cbsysinfo.c
Normal file
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@ -0,0 +1,394 @@
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2021 Google LLC
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#include <common.h>
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#include <asm/cb_sysinfo.h>
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#include <command.h>
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#include <console.h>
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#include <asm/global_data.h>
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DECLARE_GLOBAL_DATA_PTR;
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static void cbprompt(const char *name)
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{
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for (; *name == '>'; name++)
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puts(" ");
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printf("%-12s: ", name);
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}
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static void print_dec(const char *name, int value)
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{
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cbprompt(name);
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printf(value > 9 ? "0d%d\n" : "%d\n", value);
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}
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static void print_hex(const char *name, int value)
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{
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cbprompt(name);
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printf("%x\n", value);
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}
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static void print_addr(const char *name, ulong value)
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{
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cbprompt(name);
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printf("%08lx\n", value);
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}
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static void print_addr64(const char *name, u64 value)
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{
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cbprompt(name);
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printf("%16llx\n", value);
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}
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static void print_ptr(const char *name, const void *value)
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{
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cbprompt(name);
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printf("%p\n", value);
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}
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static void print_str(const char *name, const char *value)
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{
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if (value) {
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cbprompt(name);
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printf("%s\n", value);
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}
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}
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static void print_idx(const char *name, uint idx, const u8 *strings)
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{
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const char *ptr;
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cbprompt(name);
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ptr = (char *)strings + idx;
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printf("%d: %s\n", idx, ptr ? ptr : "(unknown)");
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}
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static const char *const cb_mem_name[] = {
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NULL,
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"ram",
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"reserved",
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"acpi",
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"nvs",
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"unusable",
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"vendor",
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};
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static const char *get_mem_name(int tag)
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{
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if (tag >= CB_MEM_RAM && tag <= CB_MEM_VENDOR_RSVD)
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return cb_mem_name[tag];
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if (tag == CB_MEM_TABLE)
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return "table";
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return "(unknown)";
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}
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static const struct timestamp_id_to_name {
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uint id;
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const char *name;
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} timestamp_ids[] = {
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/* Marker to report base_time */
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{ 0, "1st timestamp" },
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{ TS_START_ROMSTAGE, "start of romstage" },
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{ TS_BEFORE_INITRAM, "before ram initialization" },
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{ TS_AFTER_INITRAM, "after ram initialization" },
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{ TS_END_ROMSTAGE, "end of romstage" },
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{ TS_START_VBOOT, "start of verified boot" },
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{ TS_END_VBOOT, "end of verified boot" },
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{ TS_START_COPYRAM, "starting to load ramstage" },
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{ TS_END_COPYRAM, "finished loading ramstage" },
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{ TS_START_RAMSTAGE, "start of ramstage" },
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{ TS_START_BOOTBLOCK, "start of bootblock" },
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{ TS_END_BOOTBLOCK, "end of bootblock" },
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{ TS_START_COPYROM, "starting to load romstage" },
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{ TS_END_COPYROM, "finished loading romstage" },
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{ TS_START_ULZMA, "starting LZMA decompress (ignore for x86)" },
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{ TS_END_ULZMA, "finished LZMA decompress (ignore for x86)" },
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{ TS_START_ULZ4F, "starting LZ4 decompress (ignore for x86)" },
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{ TS_END_ULZ4F, "finished LZ4 decompress (ignore for x86)" },
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{ TS_DEVICE_ENUMERATE, "device enumeration" },
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{ TS_DEVICE_CONFIGURE, "device configuration" },
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{ TS_DEVICE_ENABLE, "device enable" },
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{ TS_DEVICE_INITIALIZE, "device initialization" },
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{ TS_DEVICE_DONE, "device setup done" },
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{ TS_CBMEM_POST, "cbmem post" },
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{ TS_WRITE_TABLES, "write tables" },
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{ TS_FINALIZE_CHIPS, "finalize chips" },
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{ TS_LOAD_PAYLOAD, "load payload" },
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{ TS_ACPI_WAKE_JUMP, "ACPI wake jump" },
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{ TS_SELFBOOT_JUMP, "selfboot jump" },
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{ TS_START_COPYVER, "starting to load verstage" },
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{ TS_END_COPYVER, "finished loading verstage" },
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{ TS_START_TPMINIT, "starting to initialize TPM" },
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{ TS_END_TPMINIT, "finished TPM initialization" },
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{ TS_START_VERIFY_SLOT, "starting to verify keyblock/preamble (RSA)" },
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{ TS_END_VERIFY_SLOT, "finished verifying keyblock/preamble (RSA)" },
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{ TS_START_HASH_BODY, "starting to verify body (load+SHA2+RSA) " },
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{ TS_DONE_LOADING, "finished loading body (ignore for x86)" },
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{ TS_DONE_HASHING, "finished calculating body hash (SHA2)" },
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{ TS_END_HASH_BODY, "finished verifying body signature (RSA)" },
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{ TS_START_COPYVPD, "starting to load Chrome OS VPD" },
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{ TS_END_COPYVPD_RO, "finished loading Chrome OS VPD (RO)" },
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{ TS_END_COPYVPD_RW, "finished loading Chrome OS VPD (RW)" },
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{ TS_U_BOOT_INITTED, "U-Boot start" },
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{ TS_RO_PARAMS_INIT, "RO parameter init" },
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{ TS_RO_VB_INIT, "RO vboot init" },
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{ TS_RO_VB_SELECT_FIRMWARE, "RO vboot select firmware" },
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{ TS_RO_VB_SELECT_AND_LOAD_KERNEL, "RO vboot select&load kernel" },
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{ TS_RW_VB_SELECT_AND_LOAD_KERNEL, "RW vboot select&load kernel" },
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{ TS_VB_SELECT_AND_LOAD_KERNEL, "vboot select&load kernel" },
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{ TS_VB_EC_VBOOT_DONE, "finished EC verification" },
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{ TS_VB_STORAGE_INIT_DONE, "finished storage device initialization" },
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{ TS_VB_READ_KERNEL_DONE, "finished reading kernel from disk" },
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{ TS_VB_VBOOT_DONE, "finished vboot kernel verification" },
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{ TS_KERNEL_DECOMPRESSION, "starting kernel decompression/relocation" },
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{ TS_START_KERNEL, "jumping to kernel" },
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{ TS_U_BOOT_START_KERNEL, "just before jump to kernel" },
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/* Intel ME-related timestamps */
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{ TS_ME_INFORM_DRAM_WAIT, "waiting for ME acknowledgment of raminit"},
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{ TS_ME_INFORM_DRAM_DONE, "finished waiting for ME response"},
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/* FSP-related timestamps */
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{ TS_FSP_MEMORY_INIT_START, "calling FspMemoryInit" },
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{ TS_FSP_MEMORY_INIT_END, "returning from FspMemoryInit" },
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{ TS_FSP_TEMP_RAM_EXIT_START, "calling FspTempRamExit" },
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{ TS_FSP_TEMP_RAM_EXIT_END, "returning from FspTempRamExit" },
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{ TS_FSP_SILICON_INIT_START, "calling FspSiliconInit" },
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{ TS_FSP_SILICON_INIT_END, "returning from FspSiliconInit" },
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{ TS_FSP_BEFORE_ENUMERATE, "calling FspNotify(AfterPciEnumeration)" },
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{ TS_FSP_AFTER_ENUMERATE,
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"returning from FspNotify(AfterPciEnumeration)" },
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{ TS_FSP_BEFORE_FINALIZE, "calling FspNotify(ReadyToBoot)" },
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{ TS_FSP_AFTER_FINALIZE, "returning from FspNotify(ReadyToBoot)" },
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{ TS_FSP_BEFORE_END_OF_FIRMWARE, "calling FspNotify(EndOfFirmware)" },
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{ TS_FSP_AFTER_END_OF_FIRMWARE,
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"returning from FspNotify(EndOfFirmware)" },
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};
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static const char *timestamp_name(uint32_t id)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(timestamp_ids); i++) {
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if (timestamp_ids[i].id == id)
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return timestamp_ids[i].name;
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}
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return "<unknown>";
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}
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static void show_table(struct sysinfo_t *info, bool verbose)
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{
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struct cb_serial *ser = info->serial;
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int i;
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printf("Coreboot table at %lx, decoded to %p",
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gd->arch.coreboot_table, info);
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if (info->header)
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printf(", forwarded to %p\n", info->header);
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printf("\n");
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print_dec("CPU KHz", info->cpu_khz);
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print_addr("Serial I/O port", info->ser_ioport);
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print_addr(">base", info->ser_base);
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print_ptr(">pointer", ser);
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if (ser) {
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print_hex(">type", ser->type);
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print_addr(">base", ser->baseaddr);
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print_dec(">baud", ser->baud);
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print_hex(">baud", ser->regwidth);
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print_dec(">input_hz", ser->input_hertz);
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print_addr(">PCI addr", ser->uart_pci_addr);
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}
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print_dec("Mem ranges", info->n_memranges);
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printf("%12s: %-11s || base || size\n", "id", "type");
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for (i = 0; i < info->n_memranges; i++) {
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const struct memrange *mr = &info->memrange[i];
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printf("%12d: %02x:%-8s %016llx %016llx\n", i, mr->type,
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get_mem_name(mr->type), mr->base, mr->size);
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}
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print_ptr("option_table", info->option_table);
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print_hex("CMOS start", info->cmos_range_start);
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if (info->cmos_range_start) {
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print_hex(">CMOS end", info->cmos_range_end);
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print_hex(">CMOS csum loc", info->cmos_checksum_location);
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}
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print_hex("VBNV start", info->vbnv_start);
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print_hex("VBNV size", info->vbnv_size);
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print_str("CB version", info->cb_version);
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print_str(">Extra", info->extra_version);
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print_str(">Build", info->build);
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print_str(">Time", info->compile_time);
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print_str(">By", info->compile_by);
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print_str(">Host", info->compile_host);
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print_str(">Domain", info->compile_domain);
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print_str(">Compiler", info->compiler);
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print_str(">Linker", info->linker);
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print_str(">Assembler", info->assembler);
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print_ptr("Framebuffer", info->framebuffer);
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if (info->framebuffer) {
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struct cb_framebuffer *fb = info->framebuffer;
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print_addr64(">Phys addr", fb->physical_address);
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print_dec(">X res", fb->x_resolution);
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print_dec(">X res", fb->y_resolution);
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print_hex(">Bytes / line", fb->bytes_per_line);
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print_dec(">Bpp", fb->bits_per_pixel);
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printf(" %-12s red %d/%d, green %d/%d, blue %d/%d, reserved %d/%d\n",
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"pos/size", fb->red_mask_pos, fb->red_mask_size,
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fb->green_mask_pos, fb->green_mask_size,
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fb->blue_mask_pos, fb->blue_mask_size,
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fb->reserved_mask_pos, fb->reserved_mask_size);
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}
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print_dec("GPIOs", info->num_gpios);
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printf("%12s: %4s %12s %3s %s\n", "id", "port", "polarity", "val",
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"name");
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for (i = 0; i < info->num_gpios; i++) {
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const struct cb_gpio *gpio = &info->gpios[i];
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char portstr[4];
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if (gpio->port == 0xffffffff)
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strcpy(portstr, "-");
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else
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sprintf(portstr, "%x", gpio->port);
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printf("%12d: %4s %12s %3d %s\n", i, portstr,
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gpio->polarity == CB_GPIO_ACTIVE_LOW ? "active-low" :
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"active-high", gpio->value, gpio->name);
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}
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print_dec("MACs", info->num_macs);
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for (i = 0; i < info->num_macs; i++) {
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const struct mac_address *mac = &info->macs[i];
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int j;
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printf("%12d: ", i);
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for (j = 0; j < sizeof(mac->mac_addr); j++)
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printf("%s%02x", j ? ":" : "", mac->mac_addr[j]);
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printf("\n");
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}
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print_str(">Serial #", info->serialno);
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print_ptr("Multiboot tab", info->mbtable);
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print_ptr("CB header", info->header);
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print_ptr("CB mainboard", info->mainboard);
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if (info->mainboard) {
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struct cb_mainboard *mb = info->mainboard;
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print_idx(">vendor", mb->vendor_idx, mb->strings);
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print_idx(">part_number", mb->part_number_idx, mb->strings);
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}
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print_ptr("vboot handoff", info->vboot_handoff);
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print_hex(">size", info->vboot_handoff_size);
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print_ptr(">vdat addr", info->vdat_addr);
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print_hex(">size", info->vdat_size);
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print_addr64("SMBIOS", info->smbios_start);
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print_hex(">size", info->smbios_size);
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print_hex("ROM MTRR", info->x86_rom_var_mtrr_index);
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print_ptr("Tstamp table", info->tstamp_table);
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if (verbose && info->tstamp_table) {
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struct timestamp_table *ts = info->tstamp_table;
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printf("%-12s", "Base_time");
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print_grouped_ull(ts->base_time, 12);
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printf("\n");
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print_dec("Tick MHz", ts->tick_freq_mhz);
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for (i = 0; i < ts->num_entries; i++) {
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const struct timestamp_entry *tse;
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tse = &ts->entries[i];
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printf(" ");
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print_grouped_ull(tse->entry_stamp, 12);
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printf(" %s\n", timestamp_name(tse->entry_id));
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}
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}
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print_ptr("CBmem cons", info->cbmem_cons);
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if (info->cbmem_cons) {
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struct cbmem_console *cons = info->cbmem_cons;
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int i;
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print_hex("Size", cons->size);
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print_hex("Cursor", cons->cursor);
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if (verbose) {
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for (i = 0; i < cons->cursor; i++) {
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int ch = cons->body[i];
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putc(ch);
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if (ch == '\n') {
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/* check for ctrl-c to abort... */
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if (ctrlc()) {
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puts("Abort\n");
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return;
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}
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printf(" ");
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}
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}
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printf("\n");
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}
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}
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print_ptr("MRC cache", info->mrc_cache);
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print_ptr("ACPI GNVS", info->acpi_gnvs);
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print_hex("Board ID", info->board_id);
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print_hex("RAM code", info->ram_code);
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print_ptr("WiFi calib", info->wifi_calibration);
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print_addr64("Ramoops buff", info->ramoops_buffer);
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print_hex(">size", info->ramoops_buffer_size);
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print_hex("SF size", info->spi_flash.size);
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print_hex("SF sector", info->spi_flash.sector_size);
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print_hex("SF erase cmd", info->spi_flash.erase_cmd);
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print_addr64("FMAP offset", info->fmap_offset);
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print_addr64("CBFS offset", info->cbfs_offset);
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print_addr64("CBFS size", info->cbfs_size);
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print_addr64("Boot media size", info->boot_media_size);
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print_addr64("MTC start", info->mtc_start);
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print_hex("MTC size", info->mtc_size);
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print_ptr("Chrome OS VPD", info->chromeos_vpd);
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}
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static int do_cbsysinfo(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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bool verbose = false;
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if (argc > 1) {
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if (!strcmp("-v", argv[1]))
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verbose = true;
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else
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return CMD_RET_USAGE;
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}
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if (!gd->arch.coreboot_table) {
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printf("No coreboot sysinfo table found\n");
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return CMD_RET_FAILURE;
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}
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show_table(&lib_sysinfo, verbose);
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return 0;
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}
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U_BOOT_CMD(
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cbsysinfo, 2, 1, do_cbsysinfo,
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"Show coreboot sysinfo table",
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"[-v] Dumps out the contents of the sysinfo table. This only\n"
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"works if U-Boot is booted from coreboot"
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);
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|
|
@ -21,6 +21,7 @@ Shell commands
|
|||
booti
|
||||
bootmenu
|
||||
button
|
||||
x86/cbsysinfo
|
||||
conitrace
|
||||
echo
|
||||
exception
|
||||
|
|
|
|||
25
doc/usage/x86/cbsysinfo.rst
Normal file
25
doc/usage/x86/cbsysinfo.rst
Normal file
|
|
@ -0,0 +1,25 @@
|
|||
.. SPDX-License-Identifier: GPL-2.0+
|
||||
|
||||
cbsysinfo
|
||||
=========
|
||||
|
||||
Synopis
|
||||
-------
|
||||
|
||||
::
|
||||
|
||||
cbsysinfo
|
||||
|
||||
|
||||
Description
|
||||
-----------
|
||||
|
||||
This displays information obtained from the coreboot sysinfo table. It is only
|
||||
useful when booting U-Boot from coreboot.
|
||||
|
||||
Example
|
||||
-------
|
||||
|
||||
::
|
||||
|
||||
=> cbsysinfo
|
||||
Loading…
Reference in a new issue