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author | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2023-01-15 14:45:44 +0300 |
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committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2023-01-20 18:38:52 +0300 |
commit | b1315ad33391e83736907265db3b3b15682c0109 (patch) | |
tree | 30a39c9f0edce52eeaefffd54f3ff617dc26fce2 /doc | |
parent | 389be395c69782f3faf3d27efe92133954dc9c07 (diff) | |
download | u-boot-b1315ad33391e83736907265db3b3b15682c0109.tar.xz |
doc: man-page for bdinfo
Provide a man-page for the bdinfo command
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'doc')
-rw-r--r-- | doc/usage/cmd/bdinfo.rst | 119 | ||||
-rw-r--r-- | doc/usage/index.rst | 1 |
2 files changed, 120 insertions, 0 deletions
diff --git a/doc/usage/cmd/bdinfo.rst b/doc/usage/cmd/bdinfo.rst new file mode 100644 index 0000000000..6b3cde2ccb --- /dev/null +++ b/doc/usage/cmd/bdinfo.rst @@ -0,0 +1,119 @@ +.. SPDX-License-Identifier: GPL-2.0+ +.. Copyright 2023, Heinrich Schuchardt <heinrich.schuchardt@canonical.com> + +bdinfo command +============== + +Synopsis +-------- + +:: + + bdinfo + +Description +----------- + +The *bdinfo* command prints information about the board. + +Example +======= + +:: + + => bdinfo + 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 + => + +boot_params + address of the memory area for boot parameters + +DRAM bank + index, start address and end address of a memory bank + +baudrate + baud rate of the serial console + +relocaddr + address to which U-Boot has relocated itself + +reloc off + relocation offset, difference between *relocaddr* and the text base + +Build + bitness of the system + +current eth + name of the active network device + +IP addr + network address, value of the environment variable *ipaddr* + +fdt_blob + address of U-Boot's own device tree, NULL if none + +new_fdt + location of the relocated device tree + +fdt_size + space reserved for relocated device space + +lmb_dump_all + available memory and memory reservations + +devicetree + source of the device-tree + +arch_number + unique id for the board + +TLB addr + address of the translation lookaside buffer + +irq_sp + address of the IRQ stack pointer + +sp start + initial stack pointer address + +Early malloc usage + amount of memory used in the early malloc memory and its maximum size + as defined by CONFIGSYS_MALLOC_F_LEN + +Configuration +------------- + +The bdinfo command is available if CONFIG_CMD_BDI=y. + +Return code +----------- + +The return code $? is 0 (true). diff --git a/doc/usage/index.rst b/doc/usage/index.rst index 9284d159d7..7d4a1cbc10 100644 --- a/doc/usage/index.rst +++ b/doc/usage/index.rst @@ -23,6 +23,7 @@ Shell commands cmd/addrmap cmd/askenv cmd/base + cmd/bdinfo cmd/blkcache cmd/bootd cmd/bootdev |