diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/musb/blackfin.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c index f23ce40b4d64..ed1524a40642 100644 --- a/drivers/usb/musb/blackfin.c +++ b/drivers/usb/musb/blackfin.c @@ -33,6 +33,41 @@ struct bfin_glue { }; #define glue_to_musb(g) platform_get_drvdata(g->musb) +static u32 bfin_fifo_offset(u8 epnum) +{ + return USB_OFFSET(USB_EP0_FIFO) + (epnum * 8); +} + +static u8 bfin_readb(const void __iomem *addr, unsigned offset) +{ + return (u8)(bfin_read16(addr + offset)); +} + +static u16 bfin_readw(const void __iomem *addr, unsigned offset) +{ + return bfin_read16(addr + offset); +} + +static u32 bfin_readl(const void __iomem *addr, unsigned offset) +{ + return (u32)(bfin_read16(addr + offset)); +} + +static void bfin_writeb(void __iomem *addr, unsigned offset, u8 data) +{ + bfin_write16(addr + offset, (u16)data); +} + +static void bfin_writew(void __iomem *addr, unsigned offset, u16 data) +{ + bfin_write16(addr + offset, data); +} + +static void binf_writel(void __iomem *addr, unsigned offset, u32 data) +{ + bfin_write16(addr + offset, (u16)data); +} + /* * Load an endpoint's FIFO */ @@ -433,6 +468,14 @@ static const struct musb_platform_ops bfin_ops = { .init = bfin_musb_init, .exit = bfin_musb_exit, + .readb = bfin_readb, + .writeb = bfin_writeb, + .readw = bfin_readw, + .writew = bfin_writew, + .readl = bfin_readl, + .writel = bfin_writel, + .read_fifo = musb_read_fifo, + .write_fifo = musb_write_fifo, .enable = bfin_musb_enable, .disable = bfin_musb_disable, |