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path: root/drivers/usb/host/ohci-at91.c
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Diffstat (limited to 'drivers/usb/host/ohci-at91.c')
-rw-r--r--drivers/usb/host/ohci-at91.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index b2e03bc..64fde68 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -41,6 +41,15 @@ int usb_cpu_init(void)
writel(get_pllb_init(), &pmc->pllbr);
while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
;
+#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45)
+ /* Enable UPLL */
+ writel(readl(&pmc->uckr) | AT91_PMC_UPLLEN | AT91_PMC_BIASEN,
+ &pmc->uckr);
+ while ((readl(&pmc->sr) & AT91_PMC_LOCKU) != AT91_PMC_LOCKU)
+ ;
+
+ /* Select PLLA as input clock of OHCI */
+ writel(AT91_PMC_USBS_USB_UPLL | AT91_PMC_USBDIV_10, &pmc->usb);
#endif
/* Enable USB host clock. */
@@ -72,6 +81,11 @@ int usb_cpu_stop(void)
writel(0, &pmc->pllbr);
while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != 0)
;
+#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45)
+ /* Disable UPLL */
+ writel(readl(&pmc->uckr) & (~AT91_PMC_UPLLEN), &pmc->uckr);
+ while ((readl(&pmc->sr) & AT91_PMC_LOCKU) == AT91_PMC_LOCKU)
+ ;
#endif
return 0;