USB: musb: add Blackfin specific configuration to MUSB
Some config registers are not avaiable in Blackfin, we have to comment them out.
v1-v2:
- remove Blackfin specific header file
- add Blackfin register version to musb_regs.h header file
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/musb/musb_regs.h b/drivers/usb/musb/musb_regs.h
index 9c22866..de3b2f1 100644
--- a/drivers/usb/musb/musb_regs.h
+++ b/drivers/usb/musb/musb_regs.h
@@ -38,97 +38,6 @@
#define MUSB_EP0_FIFOSIZE 64 /* This is non-configurable */
/*
- * Common USB registers
- */
-
-#define MUSB_FADDR 0x00 /* 8-bit */
-#define MUSB_POWER 0x01 /* 8-bit */
-
-#define MUSB_INTRTX 0x02 /* 16-bit */
-#define MUSB_INTRRX 0x04
-#define MUSB_INTRTXE 0x06
-#define MUSB_INTRRXE 0x08
-#define MUSB_INTRUSB 0x0A /* 8 bit */
-#define MUSB_INTRUSBE 0x0B /* 8 bit */
-#define MUSB_FRAME 0x0C
-#define MUSB_INDEX 0x0E /* 8 bit */
-#define MUSB_TESTMODE 0x0F /* 8 bit */
-
-/* Get offset for a given FIFO from musb->mregs */
-#ifdef CONFIG_USB_TUSB6010
-#define MUSB_FIFO_OFFSET(epnum) (0x200 + ((epnum) * 0x20))
-#else
-#define MUSB_FIFO_OFFSET(epnum) (0x20 + ((epnum) * 4))
-#endif
-
-/*
- * Additional Control Registers
- */
-
-#define MUSB_DEVCTL 0x60 /* 8 bit */
-
-/* These are always controlled through the INDEX register */
-#define MUSB_TXFIFOSZ 0x62 /* 8-bit (see masks) */
-#define MUSB_RXFIFOSZ 0x63 /* 8-bit (see masks) */
-#define MUSB_TXFIFOADD 0x64 /* 16-bit offset shifted right 3 */
-#define MUSB_RXFIFOADD 0x66 /* 16-bit offset shifted right 3 */
-
-/* REVISIT: vctrl/vstatus: optional vendor utmi+phy register at 0x68 */
-#define MUSB_HWVERS 0x6C /* 8 bit */
-
-#define MUSB_EPINFO 0x78 /* 8 bit */
-#define MUSB_RAMINFO 0x79 /* 8 bit */
-#define MUSB_LINKINFO 0x7a /* 8 bit */
-#define MUSB_VPLEN 0x7b /* 8 bit */
-#define MUSB_HS_EOF1 0x7c /* 8 bit */
-#define MUSB_FS_EOF1 0x7d /* 8 bit */
-#define MUSB_LS_EOF1 0x7e /* 8 bit */
-
-/* Offsets to endpoint registers */
-#define MUSB_TXMAXP 0x00
-#define MUSB_TXCSR 0x02
-#define MUSB_CSR0 MUSB_TXCSR /* Re-used for EP0 */
-#define MUSB_RXMAXP 0x04
-#define MUSB_RXCSR 0x06
-#define MUSB_RXCOUNT 0x08
-#define MUSB_COUNT0 MUSB_RXCOUNT /* Re-used for EP0 */
-#define MUSB_TXTYPE 0x0A
-#define MUSB_TYPE0 MUSB_TXTYPE /* Re-used for EP0 */
-#define MUSB_TXINTERVAL 0x0B
-#define MUSB_NAKLIMIT0 MUSB_TXINTERVAL /* Re-used for EP0 */
-#define MUSB_RXTYPE 0x0C
-#define MUSB_RXINTERVAL 0x0D
-#define MUSB_FIFOSIZE 0x0F
-#define MUSB_CONFIGDATA MUSB_FIFOSIZE /* Re-used for EP0 */
-
-/* Offsets to endpoint registers in indexed model (using INDEX register) */
-#define MUSB_INDEXED_OFFSET(_epnum, _offset) \
- (0x10 + (_offset))
-
-/* Offsets to endpoint registers in flat models */
-#define MUSB_FLAT_OFFSET(_epnum, _offset) \
- (0x100 + (0x10*(_epnum)) + (_offset))
-
-#ifdef CONFIG_USB_TUSB6010
-/* TUSB6010 EP0 configuration register is special */
-#define MUSB_TUSB_OFFSET(_epnum, _offset) \
- (0x10 + _offset)
-#include "tusb6010.h" /* Needed "only" for TUSB_EP0_CONF */
-#endif
-
-/* "bus control"/target registers, for host side multipoint (external hubs) */
-#define MUSB_TXFUNCADDR 0x00
-#define MUSB_TXHUBADDR 0x02
-#define MUSB_TXHUBPORT 0x03
-
-#define MUSB_RXFUNCADDR 0x04
-#define MUSB_RXHUBADDR 0x06
-#define MUSB_RXHUBPORT 0x07
-
-#define MUSB_BUSCTL_OFFSET(_epnum, _offset) \
- (0x80 + (8*(_epnum)) + (_offset))
-
-/*
* MUSB Register bits
*/
@@ -228,7 +137,6 @@
/* TXCSR in Peripheral and Host mode */
#define MUSB_TXCSR_AUTOSET 0x8000
-#define MUSB_TXCSR_MODE 0x2000
#define MUSB_TXCSR_DMAENAB 0x1000
#define MUSB_TXCSR_FRCDATATOG 0x0800
#define MUSB_TXCSR_DMAMODE 0x0400
@@ -297,4 +205,309 @@
/* HUBADDR */
#define MUSB_HUBADDR_MULTI_TT 0x80
+
+#ifndef CONFIG_BLACKFIN
+
+/*
+ * Common USB registers
+ */
+
+#define MUSB_FADDR 0x00 /* 8-bit */
+#define MUSB_POWER 0x01 /* 8-bit */
+
+#define MUSB_INTRTX 0x02 /* 16-bit */
+#define MUSB_INTRRX 0x04
+#define MUSB_INTRTXE 0x06
+#define MUSB_INTRRXE 0x08
+#define MUSB_INTRUSB 0x0A /* 8 bit */
+#define MUSB_INTRUSBE 0x0B /* 8 bit */
+#define MUSB_FRAME 0x0C
+#define MUSB_INDEX 0x0E /* 8 bit */
+#define MUSB_TESTMODE 0x0F /* 8 bit */
+
+/* Get offset for a given FIFO from musb->mregs */
+#ifdef CONFIG_USB_TUSB6010
+#define MUSB_FIFO_OFFSET(epnum) (0x200 + ((epnum) * 0x20))
+#else
+#define MUSB_FIFO_OFFSET(epnum) (0x20 + ((epnum) * 4))
+#endif
+
+/*
+ * Additional Control Registers
+ */
+
+#define MUSB_DEVCTL 0x60 /* 8 bit */
+
+/* These are always controlled through the INDEX register */
+#define MUSB_TXFIFOSZ 0x62 /* 8-bit (see masks) */
+#define MUSB_RXFIFOSZ 0x63 /* 8-bit (see masks) */
+#define MUSB_TXFIFOADD 0x64 /* 16-bit offset shifted right 3 */
+#define MUSB_RXFIFOADD 0x66 /* 16-bit offset shifted right 3 */
+
+/* REVISIT: vctrl/vstatus: optional vendor utmi+phy register at 0x68 */
+#define MUSB_HWVERS 0x6C /* 8 bit */
+
+#define MUSB_EPINFO 0x78 /* 8 bit */
+#define MUSB_RAMINFO 0x79 /* 8 bit */
+#define MUSB_LINKINFO 0x7a /* 8 bit */
+#define MUSB_VPLEN 0x7b /* 8 bit */
+#define MUSB_HS_EOF1 0x7c /* 8 bit */
+#define MUSB_FS_EOF1 0x7d /* 8 bit */
+#define MUSB_LS_EOF1 0x7e /* 8 bit */
+
+/* Offsets to endpoint registers */
+#define MUSB_TXMAXP 0x00
+#define MUSB_TXCSR 0x02
+#define MUSB_CSR0 MUSB_TXCSR /* Re-used for EP0 */
+#define MUSB_RXMAXP 0x04
+#define MUSB_RXCSR 0x06
+#define MUSB_RXCOUNT 0x08
+#define MUSB_COUNT0 MUSB_RXCOUNT /* Re-used for EP0 */
+#define MUSB_TXTYPE 0x0A
+#define MUSB_TYPE0 MUSB_TXTYPE /* Re-used for EP0 */
+#define MUSB_TXINTERVAL 0x0B
+#define MUSB_NAKLIMIT0 MUSB_TXINTERVAL /* Re-used for EP0 */
+#define MUSB_RXTYPE 0x0C
+#define MUSB_RXINTERVAL 0x0D
+#define MUSB_FIFOSIZE 0x0F
+#define MUSB_CONFIGDATA MUSB_FIFOSIZE /* Re-used for EP0 */
+
+/* Offsets to endpoint registers in indexed model (using INDEX register) */
+#define MUSB_INDEXED_OFFSET(_epnum, _offset) \
+ (0x10 + (_offset))
+
+/* Offsets to endpoint registers in flat models */
+#define MUSB_FLAT_OFFSET(_epnum, _offset) \
+ (0x100 + (0x10*(_epnum)) + (_offset))
+
+#ifdef CONFIG_USB_TUSB6010
+/* TUSB6010 EP0 configuration register is special */
+#define MUSB_TUSB_OFFSET(_epnum, _offset) \
+ (0x10 + _offset)
+#include "tusb6010.h" /* Needed "only" for TUSB_EP0_CONF */
+#endif
+
+#define MUSB_TXCSR_MODE 0x2000
+
+/* "bus control"/target registers, for host side multipoint (external hubs) */
+#define MUSB_TXFUNCADDR 0x00
+#define MUSB_TXHUBADDR 0x02
+#define MUSB_TXHUBPORT 0x03
+
+#define MUSB_RXFUNCADDR 0x04
+#define MUSB_RXHUBADDR 0x06
+#define MUSB_RXHUBPORT 0x07
+
+#define MUSB_BUSCTL_OFFSET(_epnum, _offset) \
+ (0x80 + (8*(_epnum)) + (_offset))
+
+static inline void musb_write_txfifosz(void __iomem *mbase, u8 c_size)
+{
+ musb_writeb(mbase, MUSB_TXFIFOSZ, c_size);
+}
+
+static inline void musb_write_txfifoadd(void __iomem *mbase, u16 c_off)
+{
+ musb_writew(mbase, MUSB_TXFIFOADD, c_off);
+}
+
+static inline void musb_write_rxfifosz(void __iomem *mbase, u8 c_size)
+{
+ musb_writeb(mbase, MUSB_RXFIFOSZ, c_size);
+}
+
+static inline void musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
+{
+ musb_writew(mbase, MUSB_RXFIFOADD, c_off);
+}
+
+static inline u8 musb_read_configdata(void __iomem *mbase)
+{
+ return musb_readb(mbase, 0x10 + MUSB_CONFIGDATA);
+}
+
+static inline u16 musb_read_hwvers(void __iomem *mbase)
+{
+ return musb_readw(mbase, MUSB_HWVERS);
+}
+
+static inline void __iomem *musb_read_target_reg_base(u8 i, void __iomem *mbase)
+{
+ return (MUSB_BUSCTL_OFFSET(i, 0) + mbase);
+}
+
+static inline void musb_write_rxfunaddr(void __iomem *ep_target_regs,
+ u8 qh_addr_reg)
+{
+ musb_writeb(ep_target_regs, MUSB_RXFUNCADDR, qh_addr_reg);
+}
+
+static inline void musb_write_rxhubaddr(void __iomem *ep_target_regs,
+ u8 qh_h_addr_reg)
+{
+ musb_writeb(ep_target_regs, MUSB_RXHUBADDR, qh_h_addr_reg);
+}
+
+static inline void musb_write_rxhubport(void __iomem *ep_target_regs,
+ u8 qh_h_port_reg)
+{
+ musb_writeb(ep_target_regs, MUSB_RXHUBPORT, qh_h_port_reg);
+}
+
+static inline void musb_write_txfunaddr(void __iomem *mbase, u8 epnum,
+ u8 qh_addr_reg)
+{
+ musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXFUNCADDR),
+ qh_addr_reg);
+}
+
+static inline void musb_write_txhubaddr(void __iomem *mbase, u8 epnum,
+ u8 qh_addr_reg)
+{
+ musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBADDR),
+ qh_addr_reg);
+}
+
+static inline void musb_write_txhubport(void __iomem *mbase, u8 epnum,
+ u8 qh_h_port_reg)
+{
+ musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBPORT),
+ qh_h_port_reg);
+}
+
+#else /* CONFIG_BLACKFIN */
+
+#define USB_BASE USB_FADDR
+#define USB_OFFSET(reg) (reg - USB_BASE)
+
+/*
+ * Common USB registers
+ */
+#define MUSB_FADDR USB_OFFSET(USB_FADDR) /* 8-bit */
+#define MUSB_POWER USB_OFFSET(USB_POWER) /* 8-bit */
+#define MUSB_INTRTX USB_OFFSET(USB_INTRTX) /* 16-bit */
+#define MUSB_INTRRX USB_OFFSET(USB_INTRRX)
+#define MUSB_INTRTXE USB_OFFSET(USB_INTRTXE)
+#define MUSB_INTRRXE USB_OFFSET(USB_INTRRXE)
+#define MUSB_INTRUSB USB_OFFSET(USB_INTRUSB) /* 8 bit */
+#define MUSB_INTRUSBE USB_OFFSET(USB_INTRUSBE)/* 8 bit */
+#define MUSB_FRAME USB_OFFSET(USB_FRAME)
+#define MUSB_INDEX USB_OFFSET(USB_INDEX) /* 8 bit */
+#define MUSB_TESTMODE USB_OFFSET(USB_TESTMODE)/* 8 bit */
+
+/* Get offset for a given FIFO from musb->mregs */
+#define MUSB_FIFO_OFFSET(epnum) \
+ (USB_OFFSET(USB_EP0_FIFO) + ((epnum) * 8))
+
+/*
+ * Additional Control Registers
+ */
+
+#define MUSB_DEVCTL USB_OFFSET(USB_OTG_DEV_CTL) /* 8 bit */
+
+#define MUSB_LINKINFO USB_OFFSET(USB_LINKINFO)/* 8 bit */
+#define MUSB_VPLEN USB_OFFSET(USB_VPLEN) /* 8 bit */
+#define MUSB_HS_EOF1 USB_OFFSET(USB_HS_EOF1) /* 8 bit */
+#define MUSB_FS_EOF1 USB_OFFSET(USB_FS_EOF1) /* 8 bit */
+#define MUSB_LS_EOF1 USB_OFFSET(USB_LS_EOF1) /* 8 bit */
+
+/* Offsets to endpoint registers */
+#define MUSB_TXMAXP 0x00
+#define MUSB_TXCSR 0x04
+#define MUSB_CSR0 MUSB_TXCSR /* Re-used for EP0 */
+#define MUSB_RXMAXP 0x08
+#define MUSB_RXCSR 0x0C
+#define MUSB_RXCOUNT 0x10
+#define MUSB_COUNT0 MUSB_RXCOUNT /* Re-used for EP0 */
+#define MUSB_TXTYPE 0x14
+#define MUSB_TYPE0 MUSB_TXTYPE /* Re-used for EP0 */
+#define MUSB_TXINTERVAL 0x18
+#define MUSB_NAKLIMIT0 MUSB_TXINTERVAL /* Re-used for EP0 */
+#define MUSB_RXTYPE 0x1C
+#define MUSB_RXINTERVAL 0x20
+#define MUSB_TXCOUNT 0x28
+
+/* Offsets to endpoint registers in indexed model (using INDEX register) */
+#define MUSB_INDEXED_OFFSET(_epnum, _offset) \
+ (0x40 + (_offset))
+
+/* Offsets to endpoint registers in flat models */
+#define MUSB_FLAT_OFFSET(_epnum, _offset) \
+ (USB_OFFSET(USB_EP_NI0_TXMAXP) + (0x40 * (_epnum)) + (_offset))
+
+/* Not implemented - HW has seperate Tx/Rx FIFO */
+#define MUSB_TXCSR_MODE 0x0000
+
+/*
+ * Dummy stub for clk framework, it will be removed
+ * until Blackfin supports clk framework
+ */
+#define clk_get(dev, id) NULL
+#define clk_put(clock) do {} while (0)
+#define clk_enable(clock) do {} while (0)
+#define clk_disable(clock) do {} while (0)
+
+static inline void musb_write_txfifosz(void __iomem *mbase, u8 c_size)
+{
+}
+
+static inline void musb_write_txfifoadd(void __iomem *mbase, u16 c_off)
+{
+}
+
+static inline void musb_write_rxfifosz(void __iomem *mbase, u8 c_size)
+{
+}
+
+static inline void musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
+{
+}
+
+static inline u8 musb_read_configdata(void __iomem *mbase)
+{
+ return 0;
+}
+
+static inline u16 musb_read_hwvers(void __iomem *mbase)
+{
+ return 0;
+}
+
+static inline u16 musb_read_target_reg_base(u8 i, void __iomem *mbase)
+{
+ return 0;
+}
+
+static inline void musb_write_rxfunaddr(void __iomem *ep_target_regs,
+ u8 qh_addr_req)
+{
+}
+
+static inline void musb_write_rxhubaddr(void __iomem *ep_target_regs,
+ u8 qh_h_addr_reg)
+{
+}
+
+static inline void musb_write_rxhubport(void __iomem *ep_target_regs,
+ u8 qh_h_port_reg)
+{
+}
+
+static inline void musb_write_txfunaddr(void __iomem *mbase, u8 epnum,
+ u8 qh_addr_reg)
+{
+}
+
+static inline void musb_write_txhubaddr(void __iomem *mbase, u8 epnum,
+ u8 qh_addr_reg)
+{
+}
+
+static inline void musb_write_txhubport(void __iomem *mbase, u8 epnum,
+ u8 qh_h_port_reg)
+{
+}
+
+#endif /* CONFIG_BLACKFIN */
+
#endif /* __MUSB_REGS_H__ */