From: Bryan Wu Date: Tue, 2 Dec 2008 19:33:48 +0000 (+0200) Subject: USB: musb: add Blackfin specific configuration to MUSB X-Git-Tag: v2.6.29-rc1~182^2~54 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=c6cf8b003e5a37f8193c2883876c5942adcd7284;p=linux-2.6-omap-h63xx.git 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 Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 83720f61fdb..6c7faacfb53 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -148,7 +148,8 @@ static inline struct musb *dev_to_musb(struct device *dev) /*-------------------------------------------------------------------------*/ -#ifndef CONFIG_USB_TUSB6010 +#if !defined(CONFIG_USB_TUSB6010) && !defined(CONFIG_BLACKFIN) + /* * Load an endpoint's FIFO */ @@ -1124,25 +1125,25 @@ fifo_setup(struct musb *musb, struct musb_hw_ep *hw_ep, #endif switch (cfg->style) { case FIFO_TX: - musb_writeb(mbase, MUSB_TXFIFOSZ, c_size); - musb_writew(mbase, MUSB_TXFIFOADD, c_off); + musb_write_txfifosz(mbase, c_size); + musb_write_txfifoadd(mbase, c_off); hw_ep->tx_double_buffered = !!(c_size & MUSB_FIFOSZ_DPB); hw_ep->max_packet_sz_tx = maxpacket; break; case FIFO_RX: - musb_writeb(mbase, MUSB_RXFIFOSZ, c_size); - musb_writew(mbase, MUSB_RXFIFOADD, c_off); + musb_write_rxfifosz(mbase, c_size); + musb_write_rxfifoadd(mbase, c_off); hw_ep->rx_double_buffered = !!(c_size & MUSB_FIFOSZ_DPB); hw_ep->max_packet_sz_rx = maxpacket; break; case FIFO_RXTX: - musb_writeb(mbase, MUSB_TXFIFOSZ, c_size); - musb_writew(mbase, MUSB_TXFIFOADD, c_off); + musb_write_txfifosz(mbase, c_size); + musb_write_txfifoadd(mbase, c_off); hw_ep->rx_double_buffered = !!(c_size & MUSB_FIFOSZ_DPB); hw_ep->max_packet_sz_rx = maxpacket; - musb_writeb(mbase, MUSB_RXFIFOSZ, c_size); - musb_writew(mbase, MUSB_RXFIFOADD, c_off); + musb_write_rxfifosz(mbase, c_size); + musb_write_rxfifoadd(mbase, c_off); hw_ep->tx_double_buffered = hw_ep->rx_double_buffered; hw_ep->max_packet_sz_tx = maxpacket; @@ -1246,9 +1247,10 @@ static int __init ep_config_from_table(struct musb *musb) */ static int __init ep_config_from_hw(struct musb *musb) { - u8 epnum = 0, reg; + u8 epnum = 0; struct musb_hw_ep *hw_ep; void *mbase = musb->mregs; + int ret = 0; DBG(2, "<== static silicon ep config\n"); @@ -1258,26 +1260,9 @@ static int __init ep_config_from_hw(struct musb *musb) musb_ep_select(mbase, epnum); hw_ep = musb->endpoints + epnum; - /* read from core using indexed model */ - reg = musb_readb(hw_ep->regs, 0x10 + MUSB_FIFOSIZE); - if (!reg) { - /* 0's returned when no more endpoints */ + ret = musb_read_fifosize(musb, hw_ep, epnum); + if (ret < 0) break; - } - musb->nr_endpoints++; - musb->epmask |= (1 << epnum); - - hw_ep->max_packet_sz_tx = 1 << (reg & 0x0f); - - /* shared TX/RX FIFO? */ - if ((reg & 0xf0) == 0xf0) { - hw_ep->max_packet_sz_rx = hw_ep->max_packet_sz_tx; - hw_ep->is_shared_fifo = true; - continue; - } else { - hw_ep->max_packet_sz_rx = 1 << ((reg & 0xf0) >> 4); - hw_ep->is_shared_fifo = false; - } /* FIXME set up hw_ep->{rx,tx}_double_buffered */ @@ -1326,7 +1311,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb) /* log core options (read using indexed model) */ musb_ep_select(mbase, 0); - reg = musb_readb(mbase, 0x10 + MUSB_CONFIGDATA); + reg = musb_read_configdata(mbase); strcpy(aInfo, (reg & MUSB_CONFIGDATA_UTMIDW) ? "UTMI-16" : "UTMI-8"); if (reg & MUSB_CONFIGDATA_DYNFIFO) @@ -1391,7 +1376,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb) } /* log release info */ - hwvers = musb_readw(mbase, MUSB_HWVERS); + hwvers = musb_read_hwvers(mbase); rev_major = (hwvers >> 10) & 0x1f; rev_minor = hwvers & 0x3ff; snprintf(aRevision, 32, "%d.%d%s", rev_major, @@ -1400,8 +1385,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb) musb_driver_name, type, aRevision, aDate); /* configure ep0 */ - musb->endpoints[0].max_packet_sz_tx = MUSB_EP0_FIFOSIZE; - musb->endpoints[0].max_packet_sz_rx = MUSB_EP0_FIFOSIZE; + musb_configure_ep0(musb); /* discover endpoint configuration */ musb->nr_endpoints = 1; @@ -1445,7 +1429,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb) hw_ep->regs = MUSB_EP_OFFSET(i, 0) + mbase; #ifdef CONFIG_USB_MUSB_HDRC_HCD - hw_ep->target_regs = MUSB_BUSCTL_OFFSET(i, 0) + mbase; + hw_ep->target_regs = musb_read_target_reg_base(i, mbase); hw_ep->rx_reinit = 1; hw_ep->tx_reinit = 1; #endif diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index d45d258e63f..630946a2d9f 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -191,7 +191,7 @@ enum musb_g_ep0_state { */ #if defined(CONFIG_ARCH_DAVINCI) || defined(CONFIG_ARCH_OMAP2430) \ - || defined(CONFIG_ARCH_OMAP3430) + || defined(CONFIG_ARCH_OMAP3430) || defined(CONFIG_BLACKFIN) /* REVISIT indexed access seemed to * misbehave (on DaVinci) for at least peripheral IN ... */ @@ -448,6 +448,70 @@ static inline struct musb *gadget_to_musb(struct usb_gadget *g) } #endif +#ifdef CONFIG_BLACKFIN +static inline int musb_read_fifosize(struct musb *musb, + struct musb_hw_ep *hw_ep, u8 epnum) +{ + musb->nr_endpoints++; + musb->epmask |= (1 << epnum); + + if (epnum < 5) { + hw_ep->max_packet_sz_tx = 128; + hw_ep->max_packet_sz_rx = 128; + } else { + hw_ep->max_packet_sz_tx = 1024; + hw_ep->max_packet_sz_rx = 1024; + } + hw_ep->is_shared_fifo = false; + + return 0; +} + +static inline void musb_configure_ep0(struct musb *musb) +{ + musb->endpoints[0].max_packet_sz_tx = MUSB_EP0_FIFOSIZE; + musb->endpoints[0].max_packet_sz_rx = MUSB_EP0_FIFOSIZE; + musb->endpoints[0].is_shared_fifo = true; +} + +#else + +static inline int musb_read_fifosize(struct musb *musb, + struct musb_hw_ep *hw_ep, u8 epnum) +{ + u8 reg = 0; + + /* read from core using indexed model */ + reg = musb_readb(hw_ep->regs, 0x10 + MUSB_FIFOSIZE); + /* 0's returned when no more endpoints */ + if (!reg) + return -ENODEV; + + musb->nr_endpoints++; + musb->epmask |= (1 << epnum); + + hw_ep->max_packet_sz_tx = 1 << (reg & 0x0f); + + /* shared TX/RX FIFO? */ + if ((reg & 0xf0) == 0xf0) { + hw_ep->max_packet_sz_rx = hw_ep->max_packet_sz_tx; + hw_ep->is_shared_fifo = true; + return 0; + } else { + hw_ep->max_packet_sz_rx = 1 << ((reg & 0xf0) >> 4); + hw_ep->is_shared_fifo = false; + } + + return 0; +} + +static inline void musb_configure_ep0(struct musb *musb) +{ + musb->endpoints[0].max_packet_sz_tx = MUSB_EP0_FIFOSIZE; + musb->endpoints[0].max_packet_sz_rx = MUSB_EP0_FIFOSIZE; +} +#endif /* CONFIG_BLACKFIN */ + /***************************** Glue it together *****************************/ @@ -470,14 +534,14 @@ extern void musb_hnp_stop(struct musb *musb); extern int musb_platform_set_mode(struct musb *musb, u8 musb_mode); -#if defined(CONFIG_USB_TUSB6010) || \ +#if defined(CONFIG_USB_TUSB6010) || defined(CONFIG_BLACKFIN) || \ defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX) extern void musb_platform_try_idle(struct musb *musb, unsigned long timeout); #else #define musb_platform_try_idle(x, y) do {} while (0) #endif -#ifdef CONFIG_USB_TUSB6010 +#if defined(CONFIG_USB_TUSB6010) || defined(CONFIG_BLACKFIN) extern int musb_platform_get_vbus_status(struct musb *musb); #else #define musb_platform_get_vbus_status(x) 0 diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index bf25ef4cc15..99fa6123487 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -596,12 +596,10 @@ musb_rx_reinit(struct musb *musb, struct musb_qh *qh, struct musb_hw_ep *ep) /* target addr and (for multipoint) hub addr/port */ if (musb->is_multipoint) { - musb_writeb(ep->target_regs, MUSB_RXFUNCADDR, - qh->addr_reg); - musb_writeb(ep->target_regs, MUSB_RXHUBADDR, - qh->h_addr_reg); - musb_writeb(ep->target_regs, MUSB_RXHUBPORT, - qh->h_port_reg); + musb_write_rxfunaddr(ep->target_regs, qh->addr_reg); + musb_write_rxhubaddr(ep->target_regs, qh->h_addr_reg); + musb_write_rxhubport(ep->target_regs, qh->h_port_reg); + } else musb_writeb(musb->mregs, MUSB_FADDR, qh->addr_reg); @@ -715,15 +713,9 @@ static void musb_ep_program(struct musb *musb, u8 epnum, /* target addr and (for multipoint) hub addr/port */ if (musb->is_multipoint) { - musb_writeb(mbase, - MUSB_BUSCTL_OFFSET(epnum, MUSB_TXFUNCADDR), - qh->addr_reg); - musb_writeb(mbase, - MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBADDR), - qh->h_addr_reg); - musb_writeb(mbase, - MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBPORT), - qh->h_port_reg); + musb_write_txfunaddr(mbase, epnum, qh->addr_reg); + musb_write_txhubaddr(mbase, epnum, qh->h_addr_reg); + musb_write_txhubport(mbase, epnum, qh->h_port_reg); /* FIXME if !epnum, do the same for RX ... */ } else musb_writeb(mbase, MUSB_FADDR, qh->addr_reg); diff --git a/drivers/usb/musb/musb_regs.h b/drivers/usb/musb/musb_regs.h index 9c228661aa5..de3b2f18db4 100644 --- a/drivers/usb/musb/musb_regs.h +++ b/drivers/usb/musb/musb_regs.h @@ -37,97 +37,6 @@ #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__ */