diff options
Diffstat (limited to 'drivers/usb/usb_ohci.h')
| -rw-r--r-- | drivers/usb/usb_ohci.h | 44 |
1 files changed, 41 insertions, 3 deletions
diff --git a/drivers/usb/usb_ohci.h b/drivers/usb/usb_ohci.h index 380cb4c..a547337 100644 --- a/drivers/usb/usb_ohci.h +++ b/drivers/usb/usb_ohci.h @@ -38,6 +38,41 @@ static int cc_to_error[16] = { /* Not Access */ -1 }; +static const char *cc_to_string[16] = { + "No Error", + "CRC: Last data packet from endpoint contained a CRC error.", + "BITSTUFFING: Last data packet from endpoint contained a bit " \ + "stuffing violation", + "DATATOGGLEMISMATCH: Last packet from endpoint had data toggle PID\n" \ + "that did not match the expected value.", + "STALL: TD was moved to the Done Queue because the endpoint returned" \ + " a STALL PID", + "DEVICENOTRESPONDING: Device did not respond to token (IN) or did\n" \ + "not provide a handshake (OUT)", + "PIDCHECKFAILURE: Check bits on PID from endpoint failed on data PID\n"\ + "(IN) or handshake (OUT)", + "UNEXPECTEDPID: Receive PID was not valid when encountered or PID\n" \ + "value is not defined.", + "DATAOVERRUN: The amount of data returned by the endpoint exceeded\n" \ + "either the size of the maximum data packet allowed\n" \ + "from the endpoint (found in MaximumPacketSize field\n" \ + "of ED) or the remaining buffer size.", + "DATAUNDERRUN: The endpoint returned less than MaximumPacketSize\n" \ + "and that amount was not sufficient to fill the\n" \ + "specified buffer", + "reserved1", + "reserved2", + "BUFFEROVERRUN: During an IN, HC received data from endpoint faster\n" \ + "than it could be written to system memory", + "BUFFERUNDERRUN: During an OUT, HC could not retrieve data from\n" \ + "system memory fast enough to keep up with data USB " \ + "data rate.", + "NOT ACCESSED: This code is set by software before the TD is placed" \ + "on a list to be processed by the HC.(1)", + "NOT ACCESSED: This code is set by software before the TD is placed" \ + "on a list to be processed by the HC.(2)", +}; + /* ED States */ #define ED_NEW 0x00 @@ -155,8 +190,8 @@ struct ohci_hcca { /* * Maximum number of root hub ports. */ -#ifndef CFG_USB_OHCI_MAX_ROOT_PORTS -# error "CFG_USB_OHCI_MAX_ROOT_PORTS undefined!" +#ifndef CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS +# error "CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS undefined!" #endif /* @@ -191,10 +226,13 @@ struct ohci_regs { __u32 a; __u32 b; __u32 status; - __u32 portstatus[CFG_USB_OHCI_MAX_ROOT_PORTS]; + __u32 portstatus[CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS]; } roothub; } __attribute((aligned(32))); +/* Some EHCI controls */ +#define EHCI_USBCMD_OFF 0x20 +#define EHCI_USBCMD_HCRESET (1 << 1) /* OHCI CONTROL AND STATUS REGISTER MASKS */ |