RISC-V: Add early printk support via the SBI console

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This code lives entirely within the RISC-V arch code.  I've left it
within an "#ifdef CONFIG_EARLY_PRINTK" despite always having
EARLY_PRINTK support on RISC-V just in case someone wants to remove
it.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

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Palmer Dabbelt 2017-12-08 15:10:35 -08:00

parent 758914fea2

commit 5b5c2a2c44

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arch/riscv/kernel/setup.c

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