this make it possiable pass a0 as divisor to calculate uart baudrate in run time on boot.
Signed-off-by: Du Huanpeng <[email protected]> --- arch/mips/include/asm/debug_ll_ns16550.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/mips/include/asm/debug_ll_ns16550.h b/arch/mips/include/asm/debug_ll_ns16550.h index df58c4c..a33587a 100644 --- a/arch/mips/include/asm/debug_ll_ns16550.h +++ b/arch/mips/include/asm/debug_ll_ns16550.h @@ -66,6 +66,9 @@ static inline void PUTC_LL(char ch) sb t1, UART_LCR(t0) /* Write it out */ li t1, DEBUG_LL_UART_DIVISOR +#if DEBUG_LL_UART_DIVISOR == 0 + move t1, a0 +#endif sb t1, UART_DLL(t0) /* write low order byte */ srl t1, t1, 8 sb t1, UART_DLM(t0) /* write high order byte */ -- 2.7.4 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
