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| author | Stefano Babic <sbabic@denx.de> | 2015-03-05 16:05:10 +0100 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2015-03-05 16:05:10 +0100 |
| commit | 9b5b60a05cb8bba2d135439419b2030764e359bd (patch) | |
| tree | 15e249ac39e9c547668327218e63a0faf54a3283 /drivers/usb/musb-new/omap2430.c | |
| parent | 32df39c741788e8637cffe6633d73594b26d70fb (diff) | |
| parent | 7ae8350f67eea861280a4cbd2d067777a0e87153 (diff) | |
Merge branch 'master' of git://git.denx.de/u-boot
Diffstat (limited to 'drivers/usb/musb-new/omap2430.c')
| -rw-r--r-- | drivers/usb/musb-new/omap2430.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/musb-new/omap2430.c b/drivers/usb/musb-new/omap2430.c index 98f4830912..31a280edba 100644 --- a/drivers/usb/musb-new/omap2430.c +++ b/drivers/usb/musb-new/omap2430.c @@ -321,6 +321,7 @@ static int omap2430_musb_init(struct musb *musb) { u32 l; int status = 0; + unsigned long int start; #ifndef __UBOOT__ struct device *dev = musb->controller; struct omap2430_glue *glue = dev_get_drvdata(dev->parent); @@ -331,6 +332,21 @@ static int omap2430_musb_init(struct musb *musb) (struct omap_musb_board_data *)musb->controller; #endif + /* Reset the controller */ + musb_writel(musb->mregs, OTG_SYSCONFIG, SOFTRST); + + start = get_timer(0); + + while (1) { + l = musb_readl(musb->mregs, OTG_SYSCONFIG); + if ((l & SOFTRST) == 0) + break; + + if (get_timer(start) > (CONFIG_SYS_HZ / 1000)) { + dev_err(musb->controller, "MUSB reset is taking too long\n"); + return -ENODEV; + } + } #ifndef __UBOOT__ /* We require some kind of external transceiver, hooked |