> + u32 reg; > + u32 pclk_ratio = get_PCLK() / gd->baudrate; > + int i; > + IMHO it's still obscur > + /* PCLK / (16 * baudrate) - 1 */ > + reg = pclk_ratio / 16 - 1; > + /* i = pclk_ratio % 16 */ > + i = pclk_ratio - (reg + 1) * 16; > + > + uart->UBRDIV = reg; > + uart->UDIVSLOT = udivslot[i]; > + > + for (i = 0; i < 100; i++) > + barrier(); > +}
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