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doc: qemu-riscv: describe CONFIG_DEBUG_SBI_CONSOLE

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In main U-Boot the SBI DBCN extension can be used to supply a debug
console.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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Heinrich Schuchardt 2024-11-05 04:16:31 +01:00
parent 7eaff7aa06
commit b1e9a8bba4
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doc/board/emulation/qemu-riscv.rst
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@ -171,3 +171,8 @@ The following settings provide a debug UART for the virt machine::
CONFIG_DEBUG_UART_NS16550=y
CONFIG_DEBUG_UART_BASE=0x10000000
CONFIG_DEBUG_UART_CLOCK=3686400
To provide a debug UART in main U-Boot the SBI DBCN extension can be used
instead::
CONFIG_DEBUG_SBI_CONSOLE=y