summaryrefslogtreecommitdiff
path: root/drivers/usb/musb/musb_core.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/musb/musb_core.h')
-rw-r--r--drivers/usb/musb/musb_core.h30
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 9a1fb4f..4771876 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -112,7 +112,10 @@ struct musb_regs {
u16 rxfifoadd;
u32 vcontrol;
u16 hwvers;
- u16 reserved2[5];
+ u16 reserved2a[1];
+ u8 ulpi_busctl;
+ u8 reserved2b[1];
+ u16 reserved2[3];
u8 epinfo;
u8 raminfo;
u8 linkinfo;
@@ -181,6 +184,10 @@ struct musb_regs {
#define MUSB_DEVCTL_HR 0x02
#define MUSB_DEVCTL_SESSION 0x01
+/* ULPI VBUSCONTROL */
+#define ULPI_USE_EXTVBUS 0x01
+#define ULPI_USE_EXTVBUSIND 0x02
+
/* TESTMODE */
#define MUSB_TEST_FORCE_HOST 0x80
#define MUSB_TEST_FIFO_ACCESS 0x40
@@ -341,6 +348,7 @@ struct musb_config {
struct musb_regs *regs;
u32 timeout;
u8 musb_speed;
+ u8 extvbus;
};
/* externally defined data */
@@ -361,6 +369,26 @@ extern void read_fifo(u8 ep, u32 length, void *fifo_data);
# define readb(addr) (u8)bfin_read16(addr)
# undef writeb
# define writeb(b, addr) bfin_write16(addr, b)
+/*
+ * The USB PHY on current Blackfin processors is a UTMI+ level 2 PHY.
+ * However, it has no ULPI support - so there are no registers at all.
+ * That means accesses to ULPI_BUSCONTROL have to be abstracted away.
+ */
+static inline u8 musb_read_ulpi_buscontrol(struct musb_regs *musbr)
+{
+ return 0;
+}
+static inline void musb_write_ulpi_buscontrol(struct musb_regs *musbr, u8 val)
+{}
+#else
+static inline u8 musb_read_ulpi_buscontrol(struct musb_regs *musbr)
+{
+ return readb(&musbr->ulpi_busctl);
+}
+static inline void musb_write_ulpi_buscontrol(struct musb_regs *musbr, u8 val)
+{
+ writeb(val, &musbr->ulpi_busctl);
+}
#endif
#endif /* __MUSB_HDRC_DEFS_H__ */