choice
prompt "Select which UART will provide the debug UART"
depends on DEBUG_UART
+ default DEBUG_SBI_CONSOLE if RISCV_SMODE
default DEBUG_UART_NS16550
config DEBUG_UART_ALTERA_JTAGUART
config DEBUG_SBI_CONSOLE
bool "SBI"
- depends on SBI_V01
+ depends on RISCV_SMODE
help
Select this to enable a debug console which calls back to SBI to
output to the console. This can be useful for early debugging of
U-Boot when running on top of SBI (Supervisor Binary Interface).
+ This implementation of the debug UART is not available while in
+ M-mode (e.g. during SPL).
config DEBUG_UART_S5P
bool "Samsung S5P"