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openrisc: Add support for liteuart emergency printing
authorStafford Horne <shorne@gmail.com>
Sun, 15 May 2022 04:33:14 +0000 (13:33 +0900)
committerStafford Horne <shorne@gmail.com>
Mon, 23 May 2022 08:15:49 +0000 (17:15 +0900)
commitb2b49492cade57f78f8be822c96438a61f9cfb90
tree31e3282531fa595c92ce910b2db3f918b355f490tree | snapshot
parent0e0c8fd45c0a2d1d7a0336d4de7e2a9b4a02e8a7commit | diff
openrisc: Add support for liteuart emergency printing

This patch adds support for sending emergency print output, such as
unhandled exception details, to a liteuart serial device.  This is the
default device available on litex platforms.

If a developer want to use this they should update UART_BASE_ADD
to the address of liteuart.

Signed-off-by: Stafford Horne <shorne@gmail.com>
arch/openrisc/kernel/head.S diff | blob | history
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