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d04c23f1c5
Update the cbsysinfo command to show the contents of the CMOS option table. While we are here, add some example output for this command, along with mention of what the unimplemented tags are. Signed-off-by: Simon Glass <sjg@chromium.org>
124 lines
3.8 KiB
ReStructuredText
124 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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