This patchseries is very preliminary and has several issues:
* USBMODE_BE bit set does not work on AR9331
see the 'usb: ehci: add big-endian registers support' patch
* tested on USB-flash; I have to test E100 USB Ethernet too;
* the 'usb: ehci-hcd: add OF bindings' patch is not taken into account;
see http://lists.infradead.org/pipermail/barebox/2015-August/024545.html
Antony Pavlov (9):
WIP: make ehci-hcd.c happy on big-endian MIPS
WIP: fix drivers/usb/core/usb.c
MIPS: add virt_to_phys() and phys_to_virt()
MIPS: add trivial dma support
ehci-hcd.c: make it works on mips
usb: ehci: drop unusable CONFIG_EHCI_MMIO_BIG_ENDIAN condition
usb: ehci: add big-endian registers support
MIPS: tplink-mr3020: select big-endian EHCI support
MIPS: tplink-mr3020_defconfig: enable usb stuff
arch/mips/Kconfig | 1 +
arch/mips/boards/tplink-mr3020/board.c | 55 +++++++++++
arch/mips/configs/tplink-mr3020_defconfig | 49 ++++++----
arch/mips/include/asm/dma-mapping.h | 1 +
arch/mips/include/asm/dma.h | 5 +
arch/mips/include/asm/io.h | 35 +++++++
arch/mips/lib/Makefile | 1 +
arch/mips/lib/dma-default.c | 28 ++++++
arch/mips/mach-ath79/Kconfig | 4 +
drivers/usb/core/usb.c | 2 +-
drivers/usb/host/Kconfig | 3 +
drivers/usb/host/ehci-hcd.c | 153 +++++++++++++++---------------
drivers/usb/host/ehci.h | 55 ++++++++---
include/linux/byteorder/big_endian.h | 2 +-
include/usb/ehci.h | 1 +
15 files changed, 286 insertions(+), 109 deletions(-)
create mode 100644 arch/mips/lib/dma-default.c
--
2.5.0
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