115 	unsigned freq, mckr;  in at91_clock_init()  local
155 	mckr = readl(&pmc->mckr);  in at91_clock_init()
159 	gd->arch.plla_rate_hz /= (1 << ((mckr & 1 << 12) >> 12));  in at91_clock_init()
161 	gd->arch.mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK);  in at91_clock_init()
166 	freq /= (1 << ((mckr & AT91_PMC_MCKR_PRES_MASK) >> 4));  in at91_clock_init()
168 	freq /= (1 << ((mckr & AT91_PMC_MCKR_PRES_MASK) >> 2));	/* prescale */  in at91_clock_init()
173 	gd->arch.mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) ?  in at91_clock_init()
174 		freq / ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 7) : freq;  in at91_clock_init()
175 	if (mckr & AT91_PMC_MCKR_MDIV_MASK)  in at91_clock_init()
185 	gd->arch.mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) ==  in at91_clock_init()
188 		: freq / (1 << ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8));  in at91_clock_init()
191 			(1 << ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8));  in at91_clock_init()
219 void at91_mck_init(u32 mckr)  in at91_mck_init()  argument
224 	tmp = readl(&pmc->mckr);  in at91_mck_init()
226 	tmp |= mckr & AT91_PMC_MCKR_PRES_MASK;  in at91_mck_init()
227 	writel(tmp, &pmc->mckr);  in at91_mck_init()
231 	tmp = readl(&pmc->mckr);  in at91_mck_init()
233 	tmp |= mckr & AT91_PMC_MCKR_MDIV_MASK;  in at91_mck_init()
234 	writel(tmp, &pmc->mckr);  in at91_mck_init()
238 	tmp = readl(&pmc->mckr);  in at91_mck_init()
240 	tmp |= mckr & AT91_PMC_MCKR_PLLADIV_MASK;  in at91_mck_init()
241 	writel(tmp, &pmc->mckr);  in at91_mck_init()
245 	tmp = readl(&pmc->mckr);  in at91_mck_init()
247 	tmp |= mckr & AT91_PMC_MCKR_CSS_MASK;  in at91_mck_init()
248 	writel(tmp, &pmc->mckr);  in at91_mck_init()