diff options
Diffstat (limited to 'cpu/arm920t')
-rw-r--r-- | cpu/arm920t/usb_ohci.c | 136 | ||||
-rw-r--r-- | cpu/arm920t/usb_ohci.h | 1 |
2 files changed, 68 insertions, 69 deletions
diff --git a/cpu/arm920t/usb_ohci.c b/cpu/arm920t/usb_ohci.c index bd7e6ca..a040c13 100644 --- a/cpu/arm920t/usb_ohci.c +++ b/cpu/arm920t/usb_ohci.c @@ -157,14 +157,14 @@ static void pkt_print (struct usb_device * dev, unsigned long pipe, void * buffe dbg("%s URB:[%4x] dev:%2d,ep:%2d-%c,type:%s,len:%d/%d stat:%#lx", str, - sohci_get_current_frame_number (dev), - usb_pipedevice (pipe), - usb_pipeendpoint (pipe), - usb_pipeout (pipe)? 'O': 'I', - usb_pipetype (pipe) < 2? (usb_pipeint (pipe)? "INTR": "ISOC"): - (usb_pipecontrol (pipe)? "CTRL": "BULK"), - purb->actual_length, - transfer_len, dev->status); + sohci_get_current_frame_number (dev), + usb_pipedevice (pipe), + usb_pipeendpoint (pipe), + usb_pipeout (pipe)? 'O': 'I', + usb_pipetype (pipe) < 2? (usb_pipeint (pipe)? "INTR": "ISOC"): + (usb_pipecontrol (pipe)? "CTRL": "BULK"), + purb->actual_length, + transfer_len, dev->status); #ifdef OHCI_VERBOSE_DEBUG if (!small) { int i, len; @@ -585,7 +585,7 @@ static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe) if (ed->state == ED_NEW) { ed->hwINFO = m32_swap (OHCI_ED_SKIP); /* skip ed */ - /* dummy td; end of td list for ed */ + /* dummy td; end of td list for ed */ td = td_alloc (usb_dev); ed->hwTailP = m32_swap (td); ed->hwHeadP = ed->hwTailP; @@ -669,13 +669,13 @@ static void td_submit_job (struct usb_device *dev, unsigned long pipe, void *buf void *data; int cnt = 0; __u32 info = 0; - unsigned int toggle = 0; + unsigned int toggle = 0; /* OHCI handles the DATA-toggles itself, we just use the USB-toggle bits for reseting */ - if(usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe))) { - toggle = TD_T_TOGGLE; + if(usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe))) { + toggle = TD_T_TOGGLE; } else { - toggle = TD_T_DATA0; + toggle = TD_T_DATA0; usb_settoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe), 1); } urb->td_cnt = 0; @@ -731,11 +731,11 @@ static void td_submit_job (struct usb_device *dev, unsigned long pipe, void *buf static void dl_transfer_length(td_t * td) { __u32 tdINFO, tdBE, tdCBP; - urb_priv_t *lurb_priv = &urb_priv; + urb_priv_t *lurb_priv = &urb_priv; tdINFO = m32_swap (td->hwINFO); - tdBE = m32_swap (td->hwBE); - tdCBP = m32_swap (td->hwCBP); + tdBE = m32_swap (td->hwBE); + tdCBP = m32_swap (td->hwCBP); if (!(usb_pipetype (lurb_priv->pipe) == PIPE_CONTROL && @@ -759,7 +759,7 @@ static td_t * dl_reverse_done_list (ohci_t *ohci) __u32 td_list_hc; td_t *td_rev = NULL; td_t *td_list = NULL; - urb_priv_t *lurb_priv = NULL; + urb_priv_t *lurb_priv = NULL; td_list_hc = m32_swap (ohci->hcca->done_head) & 0xfffffff0; ohci->hcca->done_head = 0; @@ -794,42 +794,42 @@ static td_t * dl_reverse_done_list (ohci_t *ohci) /* td done list */ static int dl_done_list (ohci_t *ohci, td_t *td_list) { - td_t *td_list_next = NULL; + td_t *td_list_next = NULL; ed_t *ed; int cc = 0; int stat = 0; /* urb_t *urb; */ urb_priv_t *lurb_priv; - __u32 tdINFO, edHeadP, edTailP; + __u32 tdINFO, edHeadP, edTailP; - while (td_list) { - td_list_next = td_list->next_dl_td; + while (td_list) { + td_list_next = td_list->next_dl_td; - lurb_priv = &urb_priv; - tdINFO = m32_swap (td_list->hwINFO); + lurb_priv = &urb_priv; + tdINFO = m32_swap (td_list->hwINFO); - ed = td_list->ed; + ed = td_list->ed; - dl_transfer_length(td_list); + dl_transfer_length(td_list); - /* error code of transfer */ - cc = TD_CC_GET (tdINFO); + /* error code of transfer */ + cc = TD_CC_GET (tdINFO); if (cc != 0) { dbg("ConditionCode %#x", cc); stat = cc_to_error[cc]; } - if (ed->state != ED_NEW) { - edHeadP = m32_swap (ed->hwHeadP) & 0xfffffff0; - edTailP = m32_swap (ed->hwTailP); + if (ed->state != ED_NEW) { + edHeadP = m32_swap (ed->hwHeadP) & 0xfffffff0; + edTailP = m32_swap (ed->hwTailP); /* unlink eds if they are not busy */ - if ((edHeadP == edTailP) && (ed->state == ED_OPER)) - ep_unlink (ohci, ed); - } + if ((edHeadP == edTailP) && (ed->state == ED_OPER)) + ep_unlink (ohci, ed); + } - td_list = td_list_next; - } + td_list = td_list_next; + } return stat; } @@ -851,9 +851,9 @@ static __u8 root_hub_dev_des[] = 0x00, /* __u16 idVendor; */ 0x00, 0x00, /* __u16 idProduct; */ - 0x00, + 0x00, 0x00, /* __u16 bcdDevice; */ - 0x00, + 0x00, 0x00, /* __u8 iManufacturer; */ 0x01, /* __u8 iProduct; */ 0x00, /* __u8 iSerialNumber; */ @@ -872,7 +872,7 @@ static __u8 root_hub_config_des[] = 0x01, /* __u8 bConfigurationValue; */ 0x00, /* __u8 iConfiguration; */ 0x40, /* __u8 bmAttributes; - Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 4..0: resvd */ + Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 4..0: resvd */ 0x00, /* __u8 MaxPower; */ /* interface */ @@ -890,9 +890,9 @@ static __u8 root_hub_config_des[] = 0x07, /* __u8 ep_bLength; */ 0x05, /* __u8 ep_bDescriptorType; Endpoint */ 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */ - 0x03, /* __u8 ep_bmAttributes; Interrupt */ - 0x02, /* __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */ - 0x00, + 0x03, /* __u8 ep_bmAttributes; Interrupt */ + 0x02, /* __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */ + 0x00, 0xff /* __u8 ep_bInterval; 255 ms */ }; @@ -984,7 +984,7 @@ static int ohci_submit_rh_msg(struct usb_device *dev, unsigned long pipe, int stat = 0; __u32 datab[4]; __u8 *data_buf = (__u8 *)datab; - __u16 bmRType_bReq; + __u16 bmRType_bReq; __u16 wValue; __u16 wIndex; __u16 wLength; @@ -1176,7 +1176,7 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); len = min_t(int, len, leni); if (data != data_buf) memcpy (data, data_buf, len); - dev->act_len = len; + dev->act_len = len; dev->status = stat; #ifdef DEBUG @@ -1226,7 +1226,7 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, wait_ms(10); /* ohci_dump_status(&gohci); */ - + /* allow more time for a BULK device to react - some are slow */ #define BULK_TO 5000 /* timeout in milliseconds */ if (usb_pipetype (pipe) == PIPE_BULK) @@ -1277,7 +1277,7 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, } dev->status = stat; - dev->act_len = transfer_len; + dev->act_len = transfer_len; #ifdef DEBUG pkt_print(dev, pipe, buffer, transfer_len, setup, "RET(ctlr)", usb_pipein(pipe)); @@ -1362,7 +1362,7 @@ static int hc_reset (ohci_t *ohci) ohci->slot_name, readl (&ohci->regs->control)); - /* Reset USB (needed by some controllers) */ + /* Reset USB (needed by some controllers) */ writel (0, &ohci->regs->control); /* HC Reset requires max 10 us delay */ @@ -1385,8 +1385,8 @@ static int hc_reset (ohci_t *ohci) static int hc_start (ohci_t * ohci) { - __u32 mask; - unsigned int fminterval; + __u32 mask; + unsigned int fminterval; ohci->disabled = 1; @@ -1398,16 +1398,16 @@ static int hc_start (ohci_t * ohci) writel ((__u32)ohci->hcca, &ohci->regs->hcca); /* a reset clears this */ - fminterval = 0x2edf; + fminterval = 0x2edf; writel ((fminterval * 9) / 10, &ohci->regs->periodicstart); fminterval |= ((((fminterval - 210) * 6) / 7) << 16); writel (fminterval, &ohci->regs->fminterval); writel (0x628, &ohci->regs->lsthresh); - /* start controller operations */ - ohci->hc_control = OHCI_CONTROL_INIT | OHCI_USB_OPER; + /* start controller operations */ + ohci->hc_control = OHCI_CONTROL_INIT | OHCI_USB_OPER; ohci->disabled = 0; - writel (ohci->hc_control, &ohci->regs->control); + writel (ohci->hc_control, &ohci->regs->control); /* disable all interrupts */ mask = (OHCI_INTR_SO | OHCI_INTR_WDH | OHCI_INTR_SF | OHCI_INTR_RD | @@ -1447,7 +1447,7 @@ hc_interrupt (void) { ohci_t *ohci = &gohci; struct ohci_regs *regs = ohci->regs; - int ints; + int ints; int stat = -1; if ((ohci->hcca->done_head != 0) && !(m32_swap (ohci->hcca->done_head) & 0x01)) { @@ -1534,17 +1534,17 @@ int usb_lowlevel_init(void) S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER(); S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO(); - /* - * Set the 48 MHz UPLL clocking. Values are taken from - * "PLL value selection guide", 6-23, s3c2400_UM.pdf. - */ - clk_power->UPLLCON = ((40 << 12) + (1 << 4) + 2); - gpio->MISCCR |= 0x8; /* 1 = use pads related USB for USB host */ + /* + * Set the 48 MHz UPLL clocking. Values are taken from + * "PLL value selection guide", 6-23, s3c2400_UM.pdf. + */ + clk_power->UPLLCON = ((40 << 12) + (1 << 4) + 2); + gpio->MISCCR |= 0x8; /* 1 = use pads related USB for USB host */ - /* - * Enable USB host clock. - */ - clk_power->CLKCON |= (1 << 4); + /* + * Enable USB host clock. + */ + clk_power->CLKCON |= (1 << 4); memset (&gohci, 0, sizeof (ohci_t)); memset (&urb_priv, 0, sizeof (urb_priv_t)); @@ -1568,7 +1568,7 @@ int usb_lowlevel_init(void) } ptd = gtd; gohci.hcca = phcca; - memset (phcca, 0, sizeof (struct ohci_hcca)); + memset (phcca, 0, sizeof (struct ohci_hcca)); gohci.disabled = 1; gohci.sleeping = 0; @@ -1580,8 +1580,8 @@ int usb_lowlevel_init(void) if (hc_reset (&gohci) < 0) { hc_release_ohci (&gohci); - /* Initialization failed */ - clk_power->CLKCON &= ~(1 << 4); + /* Initialization failed */ + clk_power->CLKCON &= ~(1 << 4); return -1; } @@ -1592,8 +1592,8 @@ int usb_lowlevel_init(void) if (hc_start (&gohci) < 0) { err ("can't start usb-%s", gohci.slot_name); hc_release_ohci (&gohci); - /* Initialization failed */ - clk_power->CLKCON &= ~(1 << 4); + /* Initialization failed */ + clk_power->CLKCON &= ~(1 << 4); return -1; } diff --git a/cpu/arm920t/usb_ohci.h b/cpu/arm920t/usb_ohci.h index 26b84e6..fab0e65 100644 --- a/cpu/arm920t/usb_ohci.h +++ b/cpu/arm920t/usb_ohci.h @@ -224,7 +224,6 @@ struct ohci_regs { #define OHCI_INTR_MIE (1 << 31) /* master interrupt enable */ - /* Virtual Root HUB */ struct virt_root_hub { int devnum; /* Address of Root Hub endpoint */ |