diff options
| author | Simon Glass <sjg@chromium.org> | 2015-03-25 12:23:01 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-04-18 11:11:29 -0600 |
| commit | 7caced5aae9f1e573effa65c799212017b2124b5 (patch) | |
| tree | 30c5963beb3e810f6b679cd0817425bdeee84b7c | |
| parent | 8e2b6619c58cbf3b797d13548fceb5d9d4c34ac3 (diff) | |
| download | u-boot-7caced5aae9f1e573effa65c799212017b2124b5.tar.gz | |
dm: usb: Tidy up pipe value decoding
Add a few more shifts/masks to make it easier to decode a pipe value (rather
than just building it). We need this for USB device emulation.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Vasut <marex@denx.de>
| -rw-r--r-- | include/usb_defs.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/include/usb_defs.h b/include/usb_defs.h index 27ddc4711d..8214ba9bf5 100644 --- a/include/usb_defs.h +++ b/include/usb_defs.h @@ -165,12 +165,14 @@ #define USB_TEST_MODE_FORCE_ENABLE 0x05 -/* "pipe" definitions */ - -#define PIPE_ISOCHRONOUS 0 -#define PIPE_INTERRUPT 1 -#define PIPE_CONTROL 2 -#define PIPE_BULK 3 +/* + * "pipe" definitions, use unsigned so we can compare reliably, since this + * value is shifted up to bits 30/31. + */ +#define PIPE_ISOCHRONOUS 0U +#define PIPE_INTERRUPT 1U +#define PIPE_CONTROL 2U +#define PIPE_BULK 3U #define PIPE_DEVEP_MASK 0x0007ff00 #define USB_ISOCHRONOUS 0 @@ -178,6 +180,15 @@ #define USB_CONTROL 2 #define USB_BULK 3 +#define USB_PIPE_TYPE_SHIFT 30 +#define USB_PIPE_TYPE_MASK (3 << USB_PIPE_TYPE_SHIFT) + +#define USB_PIPE_DEV_SHIFT 8 +#define USB_PIPE_DEV_MASK (0x7f << USB_PIPE_DEV_SHIFT) + +#define USB_PIPE_EP_SHIFT 15 +#define USB_PIPE_EP_MASK (0xf << USB_PIPE_EP_SHIFT) + /* USB-status codes: */ #define USB_ST_ACTIVE 0x1 /* TD is active */ #define USB_ST_STALLED 0x2 /* TD is stalled */ |