On Mon, Mar 14, 2016 at 12:18 PM, Bin Meng <bmeng...@gmail.com> wrote: > On Sat, Mar 12, 2016 at 1:06 PM, Simon Glass <s...@chromium.org> wrote: >> At present on x86 machines with use cache-as-RAM, the memory goes away just >> before board_init_r() is called. This means that serial drivers are >> no-longer unavailable, until initr_dm() it called, etc. >> >> Any attempt to use printf() within this period will cause a hang. >> >> To fix this, mark the serial devices as 'unavailable' when it is no-longer >> available. Bring it back when serial_initialize() is called. This means that >> the debug UART will be used instead for this period. >> >> Signed-off-by: Simon Glass <s...@chromium.org> >> --- >> >> Changes in v2: >> - Simplify the code in serial_initialize() >> >> common/board_f.c | 7 +++++++ >> drivers/serial/serial-uclass.c | 2 +- >> 2 files changed, 8 insertions(+), 1 deletion(-) >> > > Reviewed-by: Bin Meng <bmeng...@gmail.com>
applied to u-boot-x86/next, thanks! _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
