diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/musb/musb_core.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 22f3dba..7766069 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -50,6 +50,16 @@ void musb_start(void) #endif } +#ifdef MUSB_NO_DYNAMIC_FIFO +# define config_fifo(dir, idx, addr) +#else +# define config_fifo(dir, idx, addr) \ + do { \ + writeb(idx, &musbr->dir##fifosz); \ + writew(fifoaddr >> 3, &musbr->dir##fifoadd); \ + } while (0) +#endif + /* * This function configures the endpoint configuration. The musb hcd or musb * device implementation can use this function to configure the endpoints @@ -74,8 +84,7 @@ void musb_configure_ep(struct musb_epinfo *epinfo, u8 cnt) writeb(epinfo->epnum, &musbr->index); if (epinfo->epdir) { /* Configure fifo size and fifo base address */ - writeb(idx, &musbr->txfifosz); - writew(fifoaddr >> 3, &musbr->txfifoadd); + config_fifo(tx, idx, fifoaddr); csr = readw(&musbr->txcsr); #if defined(CONFIG_MUSB_HCD) @@ -88,8 +97,7 @@ void musb_configure_ep(struct musb_epinfo *epinfo, u8 cnt) &musbr->txcsr); } else { /* Configure fifo size and fifo base address */ - writeb(idx, &musbr->rxfifosz); - writew(fifoaddr >> 3, &musbr->rxfifoadd); + config_fifo(rx, idx, fifoaddr); csr = readw(&musbr->rxcsr); #if defined(CONFIG_MUSB_HCD) @@ -113,6 +121,7 @@ void musb_configure_ep(struct musb_epinfo *epinfo, u8 cnt) * length - number of bytes to write to FIFO * fifo_data - Pointer to data buffer that contains the data to write */ +__attribute__((weak)) void write_fifo(u8 ep, u32 length, void *fifo_data) { u8 *data = (u8 *)fifo_data; @@ -132,6 +141,7 @@ void write_fifo(u8 ep, u32 length, void *fifo_data) * length - number of bytes to read from FIFO * fifo_data - pointer to data buffer into which data is read */ +__attribute__((weak)) void read_fifo(u8 ep, u32 length, void *fifo_data) { u8 *data = (u8 *)fifo_data; |