diff options
Diffstat (limited to 'drivers/usb/musb/musb_core.h')
| -rw-r--r-- | drivers/usb/musb/musb_core.h | 58 |
1 files changed, 57 insertions, 1 deletions
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index f9da3f0..f0f0301 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -38,9 +38,44 @@ #include <usb_defs.h> #include <asm/io.h> +#ifdef CONFIG_USB_BLACKFIN +# include "blackfin_usb.h" +#endif + #define MUSB_EP0_FIFOSIZE 64 /* This is non-configurable */ +/* EP0 */ +struct musb_ep0_regs { + u16 reserved4; + u16 csr0; + u16 reserved5; + u16 reserved6; + u16 count0; + u8 host_type0; + u8 host_naklimit0; + u8 reserved7; + u8 reserved8; + u8 reserved9; + u8 configdata; +}; + +/* EP 1-15 */ +struct musb_epN_regs { + u16 txmaxp; + u16 txcsr; + u16 rxmaxp; + u16 rxcsr; + u16 rxcount; + u8 txtype; + u8 txinterval; + u8 rxtype; + u8 rxinterval; + u8 reserved0; + u8 fifosize; +}; + /* Mentor USB core register overlay structure */ +#ifndef musb_regs struct musb_regs { /* common registers */ u8 faddr; @@ -97,7 +132,18 @@ struct musb_regs { u8 rxhubaddr; u8 rxhubport; } tar[16]; -} __attribute__((aligned(32))); + /* + * end point registers + * ep0 elements are valid when array index is 0 + * otherwise epN is valid + */ + union musb_ep_regs { + struct musb_ep0_regs ep0; + struct musb_epN_regs epN; + } ep[16]; + +} __attribute__((packed, aligned(32))); +#endif /* * MUSB Register bits @@ -307,4 +353,14 @@ extern void musb_configure_ep(struct musb_epinfo *epinfo, u8 cnt); extern void write_fifo(u8 ep, u32 length, void *fifo_data); extern void read_fifo(u8 ep, u32 length, void *fifo_data); +#if defined(CONFIG_USB_BLACKFIN) +/* Every USB register is accessed as a 16-bit even if the value itself + * is only 8-bits in size. Fun stuff. + */ +# undef readb +# define readb(addr) (u8)bfin_read16(addr) +# undef writeb +# define writeb(b, addr) bfin_write16(addr, b) +#endif + #endif /* __MUSB_HDRC_DEFS_H__ */ |