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ARM: sunxi: Add earlyprintk support using R_UART (sun6i/sun8i)
authorChen-Yu Tsai <wens@csie.org>
Fri, 20 Jun 2014 14:52:51 +0000 (22:52 +0800)
committerMaxime Ripard <maxime.ripard@free-electrons.com>
Mon, 23 Jun 2014 16:01:19 +0000 (18:01 +0200)
commitc47185433ec38f38e94480bb9d731fcaa205e128
tree6bf910ab8ef9cf4e641f94f80b41061ac9619920
parentac84b79fbd97117de54531efad2c526896be7d19
ARM: sunxi: Add earlyprintk support using R_UART (sun6i/sun8i)

sun6i/sun8i have a UART in the RTC block group, which can be used
as an early console. This is most useful on sun8i as UART0 is muxed
with MMC0, which is not available if we boot from MMC.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
arch/arm/Kconfig.debug