diff options
| -rw-r--r-- | drivers/usb/host/r8a66597-hcd.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/r8a66597.h | 38 | ||||
| -rw-r--r-- | include/linux/usb/r8a66597.h | 3 |
3 files changed, 25 insertions, 18 deletions
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index db6f8b9c19b6..cc8ba3c220b5 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -1438,7 +1438,7 @@ static void packet_write(struct r8a66597 *r8a66597, u16 pipenum) if (pipenum > 0) r8a66597_write(r8a66597, ~(1 << pipenum), BEMPSTS); if (urb->transfer_buffer) { - r8a66597_write_fifo(r8a66597, td->pipe->fifoaddr, buf, size); + r8a66597_write_fifo(r8a66597, td->pipe, buf, size); if (!usb_pipebulk(urb->pipe) || td->maxpacket != size) r8a66597_write(r8a66597, BVAL, td->pipe->fifoctr); } diff --git a/drivers/usb/host/r8a66597.h b/drivers/usb/host/r8a66597.h index 25563e9a90bc..f28782d20eef 100644 --- a/drivers/usb/host/r8a66597.h +++ b/drivers/usb/host/r8a66597.h @@ -201,11 +201,26 @@ static inline void r8a66597_write(struct r8a66597 *r8a66597, u16 val, iowrite16(val, r8a66597->reg + offset); } +static inline void r8a66597_mdfy(struct r8a66597 *r8a66597, + u16 val, u16 pat, unsigned long offset) +{ + u16 tmp; + tmp = r8a66597_read(r8a66597, offset); + tmp = tmp & (~pat); + tmp = tmp | val; + r8a66597_write(r8a66597, tmp, offset); +} + +#define r8a66597_bclr(r8a66597, val, offset) \ + r8a66597_mdfy(r8a66597, 0, val, offset) +#define r8a66597_bset(r8a66597, val, offset) \ + r8a66597_mdfy(r8a66597, val, 0, offset) + static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597, - unsigned long offset, u16 *buf, + struct r8a66597_pipe *pipe, u16 *buf, int len) { - void __iomem *fifoaddr = r8a66597->reg + offset; + void __iomem *fifoaddr = r8a66597->reg + pipe->fifoaddr; unsigned long count; unsigned char *pb; int i; @@ -230,26 +245,15 @@ static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597, iowrite16_rep(fifoaddr, buf, len); if (unlikely(odd)) { buf = &buf[len]; + if (r8a66597->pdata->wr0_shorted_to_wr1) + r8a66597_bclr(r8a66597, MBW_16, pipe->fifosel); iowrite8((unsigned char)*buf, fifoaddr); + if (r8a66597->pdata->wr0_shorted_to_wr1) + r8a66597_bset(r8a66597, MBW_16, pipe->fifosel); } } } -static inline void r8a66597_mdfy(struct r8a66597 *r8a66597, - u16 val, u16 pat, unsigned long offset) -{ - u16 tmp; - tmp = r8a66597_read(r8a66597, offset); - tmp = tmp & (~pat); - tmp = tmp | val; - r8a66597_write(r8a66597, tmp, offset); -} - -#define r8a66597_bclr(r8a66597, val, offset) \ - r8a66597_mdfy(r8a66597, 0, val, offset) -#define r8a66597_bset(r8a66597, val, offset) \ - r8a66597_mdfy(r8a66597, val, 0, offset) - static inline unsigned long get_syscfg_reg(int port) { return port == 0 ? SYSCFG0 : SYSCFG1; diff --git a/include/linux/usb/r8a66597.h b/include/linux/usb/r8a66597.h index 26d216734057..30e171683a85 100644 --- a/include/linux/usb/r8a66597.h +++ b/include/linux/usb/r8a66597.h @@ -42,6 +42,9 @@ struct r8a66597_platdata { /* set one = big endian, set zero = little endian */ unsigned endian:1; + + /* (external controller only) set one = WR0_N shorted to WR1_N */ + unsigned wr0_shorted_to_wr1:1; }; /* Register definitions */ |