125 lines
3.8 KiB
ReStructuredText
125 lines
3.8 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+
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cbsysinfo
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=========
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Synopsis
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--------
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::
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cbsysinfo
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Description
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-----------
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This displays information obtained from the coreboot sysinfo table. It is only
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useful when booting U-Boot from coreboot.
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Example
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-------
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::
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=> cbsysinfo
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Coreboot table at 500, size 5c4, records 1d (dec 29), decoded to 000000007dce4520, forwarded to 000000007ff9a000
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CPU KHz : 0
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Serial I/O port: 00000000
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base : 00000000
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pointer : 000000007ff9a370
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type : 1
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base : 000003f8
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baud : 0d115200
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regwidth : 1
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input_hz : 0d1843200
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PCI addr : 00000010
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Mem ranges : 7
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id: type || base || size
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0: 10:table 0000000000000000 0000000000001000
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1: 01:ram 0000000000001000 000000000009f000
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2: 02:reserved 00000000000a0000 0000000000060000
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3: 01:ram 0000000000100000 000000007fe6d000
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4: 10:table 000000007ff6d000 0000000000093000
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5: 02:reserved 00000000fec00000 0000000000001000
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6: 02:reserved 00000000ff800000 0000000000800000
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option_table: 000000007ff9a018
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Bit Len Cfg ID Name
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0 180 r 0 reserved_memory
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180 1 e 4 boot_option 0:Fallback 1:Normal
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184 4 h 0 reboot_counter
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190 8 r 0 reserved_century
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1b8 8 r 0 reserved_ibm_ps2_century
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1c0 1 e 1 power_on_after_fail 0:Disable 1:Enable
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1c4 4 e 6 debug_level 5:Notice 6:Info 7:Debug 8:Spew
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1d0 80 r 0 vbnv
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3f0 10 h 0 check_sum
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CMOS start : 1c0
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CMOS end : 1cf
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CMOS csum loc: 3f0
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VBNV start : ffffffff
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VBNV size : ffffffff
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CB version : 4.21-5-g7e6eae9679e3-dirty
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Extra :
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Build : Thu Sep 07 14:52:41 UTC 2023
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Time : 14:52:41
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Framebuffer : 000000007ff9a410
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Phys addr : fd000000
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X res : 0d800
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X res : 0d600
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Bytes / line: c80
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Bpp : 0d32
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pos/size red 16/8, green 8/8, blue 0/8, reserved 24/8
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GPIOs : 0
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id: port polarity val name
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MACs : 0d10
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0: 12:00:00:00:28:00
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1: 00:00:00:fd:00:00
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2: 20:03:00:00:58:02
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3: 80:0c:00:00:20:10
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4: 08:00:08:18:08:00
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5: 16:00:00:00:10:00
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6: 00:d0:fd:7f:00:00
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7: 17:00:00:00:10:00
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8: 00:e0:fd:7f:00:00
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9: 37:00:00:00:10:00
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Multiboot tab: 0000000000000000
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CB header : 000000007ff9a000
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CB mainboard: 000000007ff9a344
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vendor : 0: Emulation
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part_number : 10: QEMU x86 i440fx/piix4
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vboot handoff: 0000000000000000
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size : 0
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vdat addr : 0000000000000000
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size : 0
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SMBIOS : 7ff6d000
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size : 8000
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ROM MTRR : 0
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Tstamp table: 000000007ffdd000
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CBmem cons : 000000007ffde000
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Size : 1fff8
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Cursor : 3332
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MRC cache : 0000000000000000
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ACPI GNVS : 0000000000000000
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Board ID : ffffffff
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RAM code : ffffffff
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WiFi calib : 0000000000000000
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Ramoops buff: 0
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size : 0
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SF size : 0
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SF sector : 0
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SF erase cmd: 0
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FMAP offset : 0
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CBFS offset : 200
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CBFS size : 3ffe00
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Boot media size: 400000
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MTC start : 0
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MTC size : 0
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Chrome OS VPD: 0000000000000000
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RSDP : 000000007ff75000
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Unimpl. : 10 37 40
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=>
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Note that "Unimpl." shows tags which U-Boot does not currently implement.
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