Am 23.04.2017 um 12:50 schrieb Álvaro Fernández Rojas: > From: Daniel Schwierzeck <daniel.schwierz...@gmail.com> > > All MIPS boards that support debug uart are calling debug_uart_init right at > the beginning of board_early_init_f. > Instead of doing that, let's provide a generic call to debug_uart_init right > before the call to board_init_f if debug uart is enabled. > > Signed-off-by: Daniel Schwierzeck <daniel.schwierz...@gmail.com> > Signed-off-by: Álvaro Fernández Rojas <nolt...@gmail.com> > --- > arch/mips/cpu/start.S | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/mips/cpu/start.S b/arch/mips/cpu/start.S > index 6740fdf..f7dee81 100644 > --- a/arch/mips/cpu/start.S > +++ b/arch/mips/cpu/start.S > @@ -265,6 +265,12 @@ wr_done: > setup_stack_gd > #endif > > +#ifdef CONFIG_DEBUG_UART > + PTR_LA t9, debug_uart_init > + jalr t9 > + nop > +#endif > +
I think we should move this inside the "#ifndef CONFIG_MIPS_INIT_STACK_IN_SRAM ... #endif" block and also add this in the "#ifdef CONFIG_MIPS_INIT_STACK_IN_SRAM ... #endif" block above. This way a SoC can use debug_uart also in lowlevel_init if it supports the initial stack in SRAM with option CONFIG_MIPS_INIT_STACK_IN_SRAM. > move a0, zero # a0 <-- boot_flags = 0 > PTR_LA t9, board_init_f > > -- - Daniel
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