diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs/at91/clock.c')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/at91/clock.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/arch/arm/cpu/arm926ejs/at91/clock.c b/arch/arm/cpu/arm926ejs/at91/clock.c index dc5c6c4b0b..f825388ae9 100644 --- a/arch/arm/cpu/arm926ejs/at91/clock.c +++ b/arch/arm/cpu/arm926ejs/at91/clock.c @@ -29,11 +29,11 @@ static unsigned long at91_css_to_rate(unsigned long css) case AT91_PMC_MCKR_CSS_SLOW: return CONFIG_SYS_AT91_SLOW_CLOCK; case AT91_PMC_MCKR_CSS_MAIN: - return gd->main_clk_rate_hz; + return gd->arch.main_clk_rate_hz; case AT91_PMC_MCKR_CSS_PLLA: - return gd->plla_rate_hz; + return gd->arch.plla_rate_hz; case AT91_PMC_MCKR_CSS_PLLB: - return gd->pllb_rate_hz; + return gd->arch.pllb_rate_hz; } return 0; @@ -132,10 +132,10 @@ int at91_clock_init(unsigned long main_clock) main_clock = tmp * (CONFIG_SYS_AT91_SLOW_CLOCK / 16); } #endif - gd->main_clk_rate_hz = main_clock; + gd->arch.main_clk_rate_hz = main_clock; /* report if PLLA is more than mildly overclocked */ - gd->plla_rate_hz = at91_pll_rate(main_clock, readl(&pmc->pllar)); + gd->arch.plla_rate_hz = at91_pll_rate(main_clock, readl(&pmc->pllar)); #ifdef CONFIG_USB_ATMEL /* @@ -144,9 +144,10 @@ int at91_clock_init(unsigned long main_clock) * * REVISIT: assumes MCK doesn't derive from PLLB! */ - gd->at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) | + gd->arch.at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) | AT91_PMC_PLLBR_USBDIV_2; - gd->pllb_rate_hz = at91_pll_rate(main_clock, gd->at91_pllb_usb_init); + gd->arch.pllb_rate_hz = at91_pll_rate(main_clock, + gd->arch.at91_pllb_usb_init); #endif /* @@ -157,15 +158,15 @@ int at91_clock_init(unsigned long main_clock) #if defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \ || defined(CONFIG_AT91SAM9X5) /* plla divisor by 2 */ - gd->plla_rate_hz /= (1 << ((mckr & 1 << 12) >> 12)); + gd->arch.plla_rate_hz /= (1 << ((mckr & 1 << 12) >> 12)); #endif - gd->mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK); - freq = gd->mck_rate_hz; + gd->arch.mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK); + freq = gd->arch.mck_rate_hz; freq /= (1 << ((mckr & AT91_PMC_MCKR_PRES_MASK) >> 2)); /* prescale */ #if defined(CONFIG_AT91SAM9G20) /* mdiv ; (x >> 7) = ((x >> 8) * 2) */ - gd->mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) ? + gd->arch.mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) ? freq / ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 7) : freq; if (mckr & AT91_PMC_MCKR_MDIV_MASK) freq /= 2; /* processor clock division */ @@ -177,14 +178,15 @@ int at91_clock_init(unsigned long main_clock) * 2 <==> 4 * 3 <==> 3 */ - gd->mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) == + gd->arch.mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) == (AT91_PMC_MCKR_MDIV_2 | AT91_PMC_MCKR_MDIV_4) ? freq / 3 : freq / (1 << ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8)); #else - gd->mck_rate_hz = freq / (1 << ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8)); + gd->arch.mck_rate_hz = freq / + (1 << ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8)); #endif - gd->cpu_clk_rate_hz = freq; + gd->arch.cpu_clk_rate_hz = freq; return 0; } |