Commit graph

7 commits

Author SHA1 Message Date
Kishon Vijay Abraham I
8d488f3e16 usb: dwc3: Add chained TRB support for ep0
dwc3 can do only max packet aligned transfers. So in case request length
is not max packet aligned and is bigger than DWC3_EP0_BOUNCE_SIZE
two chained TRBs is required to handle the transfer.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
2015-04-14 05:48:10 +02:00
Kishon Vijay Abraham I
1f78f8feda usb: dwc3: ep0: preparation for implementing chained TRB
No functional change. Modified few things so that there are no
code duplication while implementing chained TRB.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
2015-04-14 05:48:10 +02:00
Kishon Vijay Abraham I
526a50f8ec dwc3: flush the buffers before using it
In the linux kernel, non cacheable buffers are used. However in uboot
since there are no APIs to allocate non cacheable memory, all
the buffers should be flushed before using it.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-04-14 05:48:10 +02:00
Kishon Vijay Abraham I
b6d959acaa usb: dwc3: ep0: make dwc3 ep0 build in uboot
*) Changed the included header files to that used in u-boot.
*) added dwc3_ep_event_string() used in ep0.c
*) Fixed other misc warnings

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
2015-04-14 05:48:09 +02:00
Kishon Vijay Abraham I
9de1115de7 usb: dwc3: remove trace_* APIs from dwc3 driver
Removed most of the trace_* APIs from dwc3 driver since tracepoints are not
supported in u-boot. Replaced some of the trace_* API with dev_dbg/dev/vdbg.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Review-by: Lukasz Majewski <l.majewski@samsung.com>
2015-04-14 05:48:09 +02:00
Kishon Vijay Abraham I
30c31d5897 usb: dwc3: Modify the file headers to u-boot format
Modified the file header to the format that is used in u-boot. Also
included in the header, the commit in linux kernel from which each of
these files are added.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
2015-04-14 05:48:08 +02:00
Kishon Vijay Abraham I
85d5e7075f usb: dwc3: add dwc3 folder from linux kernel to u-boot
Added dwc3 folder from linux kernel 3.19-rc1 (97bf6af1f9)
to u-boot. This will be adapted to work with u-boot in the
following patches.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
2015-04-14 05:48:08 +02:00