DUART16552_XTAL_FREQ   26 arch/xtensa/platforms/xt2000/include/platform/serial.h #define BASE_BAUD ( DUART16552_XTAL_FREQ / 16 )
DUART16552_XTAL_FREQ   98 arch/xtensa/platforms/xt2000/setup.c 	.uartclk	= DUART16552_XTAL_FREQ,				\