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alistair23-linux
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Author SHA1 Message Date
Andreas Schwab a19f74708e
tty/serial: use uart_console_write in the RISC-V SBL early console 
This enables proper NLCR processing.

Suggested-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Andreas Schwab <schwab@suse.de>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
 2019-01-23 15:41:50 -08:00
Anup Patel 27de1f541f
tty/serial: Add RISC-V SBI earlycon support 
In RISC-V, the M-mode runtime firmware provide SBI calls for
debug prints. This patch adds earlycon support using RISC-V
SBI console calls. To enable it, just pass "earlycon=sbi" in
kernel parameters.

Signed-off-by: Anup Patel <anup@brainfault.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
 2019-01-09 14:59:57 -08:00