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author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2014-10-27 14:07:28 +0200 |
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committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2014-11-23 20:35:51 +0100 |
commit | 46249be26753319877d67b2958c5070f179b5937 (patch) | |
tree | c05cf8c54383d3e54ff9e284080a787a3a720a2a /src/drivers/usb/usb_ch9.h | |
parent | 83fe6d7fd270aeca7b703dbd0f7e23902144840b (diff) | |
download | coreboot-46249be26753319877d67b2958c5070f179b5937.tar.xz |
usbdebug: Refactor descriptor probing of dongle
Organized such that it is easy to support devices that do not
export special Debug Descriptor. Some of these can still work
in a fixed configuration and/or require additional initialisation
for UART clocks etc.
Change-Id: Id07fd6b69007332d67d9e9a456f58fdbca1999cd
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/7209
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/drivers/usb/usb_ch9.h')
-rw-r--r-- | src/drivers/usb/usb_ch9.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/drivers/usb/usb_ch9.h b/src/drivers/usb/usb_ch9.h index a609bdb207..a4a3722ee8 100644 --- a/src/drivers/usb/usb_ch9.h +++ b/src/drivers/usb/usb_ch9.h @@ -81,6 +81,34 @@ #define USB_DEVICE_DEBUG_MODE 6 /* (special devices only) */ +/* + * USB Packet IDs (PIDs) + */ + +/* token */ +#define USB_PID_OUT 0xe1 +#define USB_PID_IN 0x69 +#define USB_PID_SOF 0xa5 +#define USB_PID_SETUP 0x2d +/* handshake */ +#define USB_PID_ACK 0xd2 +#define USB_PID_NAK 0x5a +#define USB_PID_STALL 0x1e +#define USB_PID_NYET 0x96 +/* data */ +#define USB_PID_DATA0 0xc3 +#define USB_PID_DATA1 0x4b +#define USB_PID_DATA2 0x87 +#define USB_PID_MDATA 0x0f +/* Special */ +#define USB_PID_PREAMBLE 0x3c +#define USB_PID_ERR 0x3c +#define USB_PID_SPLIT 0x78 +#define USB_PID_PING 0xb4 +#define USB_PID_UNDEF_0 0xf0 + +#define USB_PID_DATA_TOGGLE 0x88 + struct usb_ctrlrequest { u8 bRequestType; u8 bRequest; |