diff options
Diffstat (limited to 'drivers/usb/host/ohci-at91.c')
| -rw-r--r-- | drivers/usb/host/ohci-at91.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index da85111779..6ae6959e4d 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -24,17 +24,13 @@ int usb_cpu_init(void) while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB) ; #ifdef CONFIG_AT91SAM9N12 - writel(AT91_PMC_USBS_USB_PLLB | AT91_PMC_USB_DIV_2, &pmc->usb); + at91_usb_clk_init(AT91_PMC_USBS_USB_PLLB | AT91_PMC_USB_DIV_2); #endif #elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL) - /* Enable UPLL */ - writel(readl(&pmc->uckr) | AT91_PMC_UPLLEN | AT91_PMC_BIASEN, - &pmc->uckr); - while ((readl(&pmc->sr) & AT91_PMC_LOCKU) != AT91_PMC_LOCKU) - ; + if (at91_upll_clk_enable()) + return -1; - /* Select PLLA as input clock of OHCI */ - writel(AT91_PMC_USBS_USB_UPLL | AT91_PMC_USBDIV_10, &pmc->usb); + at91_usb_clk_init(AT91_PMC_USBS_USB_UPLL | AT91_PMC_USBDIV_10); #endif at91_periph_clk_enable(ATMEL_ID_UHP); @@ -60,17 +56,15 @@ int usb_cpu_stop(void) #ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB #ifdef CONFIG_AT91SAM9N12 - writel(0, &pmc->usb); + at91_usb_clk_init(0); #endif /* Disable PLLB */ writel(0, &pmc->pllbr); while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != 0) ; #elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL) - /* Disable UPLL */ - writel(readl(&pmc->uckr) & (~AT91_PMC_UPLLEN), &pmc->uckr); - while ((readl(&pmc->sr) & AT91_PMC_LOCKU) == AT91_PMC_LOCKU) - ; + if (at91_upll_clk_disable()) + return -1; #endif return 0; |