redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

usb: musb: Populate new IO functions for blackfin 

Populate new IO functions for blackfin

Cc: Bryan Wu <cooloney@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
hifive-unleashed-5.1
Tony Lindgren 2014-11-24 11:05:01 -08:00 committed by Felipe Balbi
parent 9d506fc6d2
commit cc92f6818f
1 changed files with 43 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
drivers/usb/musb/blackfin.c
View File

@ -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,