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| author | Tom Rini <[email protected]> | 2026-04-14 13:25:32 -0600 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2026-04-14 13:25:32 -0600 |
| commit | 8f6a5932aaec6f3fbe5fad1b28aa2322374a42f6 (patch) | |
| tree | ef5f6df9d910d6f00a464b08d5bba4a15675a801 /doc | |
| parent | 5a998ab00758a0cc757d39335d515694c60e7062 (diff) | |
| parent | c15a08b730e3399c26622c8cb083bf521039606a (diff) | |
Merge patch series "serial: goldfish: Add debug uart support"
This series from Daniel Palmer <[email protected]> improves debug UART
support on QEMU on M68K by adding debug uart support to the serial
driver.
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/board/emulation/qemu-m68k.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/board/emulation/qemu-m68k.rst b/doc/board/emulation/qemu-m68k.rst index 6c4de54cf6a..2f2e6bd6444 100644 --- a/doc/board/emulation/qemu-m68k.rst +++ b/doc/board/emulation/qemu-m68k.rst @@ -31,6 +31,16 @@ The minimal QEMU command line to get U-Boot up and running is: Note that the `-nographic` option is used to redirect the console to stdio, which connects to the emulated Goldfish TTY device. +Debugging U-Boot +---------------- + +If you need early debugging output enable `CONFIG_DEBUG_UART_GOLDFISH`. +The base address for the UART can be found by activating the QEMU monitor, +running `info qtree`, and then looking for the goldfish tty device and +taking the mmio address. + +Baud rate doesn't matter. + Hardware Support ---------------- The following QEMU virt peripherals are supported in U-Boot: |