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| author | Sean Anderson <sean.anderson@seco.com> | 2022-03-22 16:59:12 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-04-01 15:03:13 -0400 |
| commit | e5e982c69bc6c90c62e5c080d1746bf6cdcc56c8 (patch) | |
| tree | 4ba4fdaf1bfefba73439886fad93a43fb9a83442 /doc | |
| parent | b5ec417b56bfbd6685247f58a26592052ab0f42e (diff) | |
| download | u-boot-e5e982c69bc6c90c62e5c080d1746bf6cdcc56c8.tar.gz u-boot-e5e982c69bc6c90c62e5c080d1746bf6cdcc56c8.tar.bz2 u-boot-e5e982c69bc6c90c62e5c080d1746bf6cdcc56c8.zip | |
doc: ls1046ardb: Document debug uart
This adds some instructions for enabling the debug uart, including the
correct address and clock rate.
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/board/nxp/ls1046ardb.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/board/nxp/ls1046ardb.rst b/doc/board/nxp/ls1046ardb.rst index c73516c070..e4499a13fb 100644 --- a/doc/board/nxp/ls1046ardb.rst +++ b/doc/board/nxp/ls1046ardb.rst @@ -109,3 +109,12 @@ SD boot and eMMC boot ``{ SW5[0:8], SW4[0] }`` should be ``0010_0000_0``. eMMC is selected only if there is no SD card in the slot. + +Debug UART +---------- + +To enable the debug UART, enable the following config options:: + + CONFIG_DEBUG_UART_NS16550=y + CONFIG_DEBUG_UART_BASE=0x21c0500 + CONFIG_DEBUG_UART_CLOCK=300000000 |