Not everyone has a 24MHz clkin to the USB, so let board porters override.
Signed-off-by: Mike Frysinger vapier@gentoo.org --- drivers/usb/musb/blackfin_usb.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/musb/blackfin_usb.c b/drivers/usb/musb/blackfin_usb.c index 38aceb2..0eb19a0 100644 --- a/drivers/usb/musb/blackfin_usb.c +++ b/drivers/usb/musb/blackfin_usb.c @@ -15,6 +15,10 @@
#include "musb_core.h"
+#ifndef CONFIG_USB_BLACKFIN_CLKIN +#define CONFIG_USB_BLACKFIN_CLKIN 24 +#endif + /* MUSB platform configuration */ struct musb_config musb_cfg = { .regs = (struct musb_regs *)USB_FADDR, @@ -109,7 +113,8 @@ int musb_platform_init(void) }
/* Configure PLL oscillator register */ - bfin_write_USB_PLLOSC_CTRL(0x30a8); + bfin_write_USB_PLLOSC_CTRL(0x3080 | + ((480 / CONFIG_USB_BLACKFIN_CLKIN) << 1)); SSYNC();
bfin_write_USB_SRP_CLKDIV((get_sclk()/1000) / 32 - 1);