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authorSimon Glass <sjg@chromium.org>2015-08-02 18:07:21 -0600
committerSimon Glass <sjg@chromium.org>2015-08-06 07:44:30 -0600
commitbbbe55f6f25e686ad799c2a70aa941eeb276adb6 (patch)
tree7051f4e1c1b12a348722b1ad945a140c0e178720 /arch/arm/dts/exynos4412-trats2.dts
parent74356d7fb1715db41dcf5530108cc0db82f278d7 (diff)
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x86: Enable debug UART for Minnowmax
Enable the debug UART and emit a single 'a' early in the init sequence to show that it is working. Unfortunately the debug UART implementation needs a stack to work. I cannot seem to remove this limitation as the absolute 'jmp %eax' instruction goes off into the weeds. So this means that the character output cannot be any earlier than car_init_ret, where memory is available for a stack. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
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