Not everyone has a 24MHz clkin to the USB, so let board porters override.
Signed-off-by: Mike Frysinger <[email protected]>
---
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);
--
1.7.4.1
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