[PATCH 3/3] doc: cmd: bdinfo: document options
Quentin Schulz
foss+uboot at 0leil.net
Wed Dec 17 17:23:58 CET 2025
From: Quentin Schulz <quentin.schulz at cherry.de>
bdinfo may also have -a, -e and -m options depending on some symbols
being set. Document all this and provide an example on how to use them
and what they typically output.
Signed-off-by: Quentin Schulz <quentin.schulz at cherry.de>
---
doc/usage/cmd/bdinfo.rst | 54 +++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 53 insertions(+), 1 deletion(-)
diff --git a/doc/usage/cmd/bdinfo.rst b/doc/usage/cmd/bdinfo.rst
index 2a5873a400a..b0d636d4b01 100644
--- a/doc/usage/cmd/bdinfo.rst
+++ b/doc/usage/cmd/bdinfo.rst
@@ -13,12 +13,22 @@ Synopsis
::
bdinfo
+ bdinfo -a
+ bdinfo -e
+ bdinfo -m
Description
-----------
The *bdinfo* command prints information about the board.
+``bdinfo -a`` command is an alias of the ``bdinfo`` command and prints all
+information about the board.
+
+``bdinfo -e`` command prints network-related information about the board.
+
+``bdinfo -m`` command prints the DRAM-related information about the board.
+
Example
-------
@@ -54,7 +64,44 @@ Example
irq_sp = 0x000000013edbada0
sp start = 0x000000013edbada0
Early malloc usage: 3a8 / 2000
- =>
+ => bdinfo -a
+ boot_params = 0x0000000000000000
+ DRAM bank = 0x0000000000000000
+ -> start = 0x0000000040000000
+ -> size = 0x0000000100000000
+ flashstart = 0x0000000000000000
+ flashsize = 0x0000000004000000
+ flashoffset = 0x00000000000e87f8
+ baudrate = 115200 bps
+ relocaddr = 0x000000013fefb000
+ reloc off = 0x000000013fefb000
+ Build = 64-bit
+ current eth = virtio-net#32
+ ethaddr = 52:52:52:52:52:52
+ IP addr = 10.0.2.15
+ fdt_blob = 0x000000013edbadb0
+ new_fdt = 0x000000013edbadb0
+ fdt_size = 0x0000000000100000
+ lmb_dump_all:
+ memory.cnt = 0x1
+ memory[0] [0x40000000-0x13fffffff], 0x100000000 bytes flags: 0
+ reserved.cnt = 0x2
+ reserved[0] [0x13ddb3000-0x13fffffff], 0x0224d000 bytes flags: 0
+ reserved[1] [0x13edb6930-0x13fffffff], 0x012496d0 bytes flags: 0
+ devicetree = board
+ arch_number = 0x0000000000000000
+ TLB addr = 0x000000013fff0000
+ irq_sp = 0x000000013edbada0
+ sp start = 0x000000013edbada0
+ Early malloc usage: 3a8 / 2000
+ => bdinfo -e
+ current eth = virtio-net#32
+ ethaddr = 52:52:52:52:52:52
+ IP addr = 10.0.2.15
+ => bdinfo -m
+ DRAM bank = 0x0000000000000000
+ -> start = 0x0000000040000000
+ -> size = 0x0000000100000000
boot_params
address of the memory area for boot parameters
@@ -121,3 +168,8 @@ Configuration
-------------
The bdinfo command is available if CONFIG_CMD_BDI=y.
+
+The options to bdinfo are only available if CONFIG_GETOPT=y.
+
+The ``-e`` option is additionally only available if CONFIG_NET=y or
+CONFIG_NET_LWIP=y.
--
2.52.0
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