Hi,
This patch series adds support for big endian non-PCI UHCI HCs and
then enables the GRUSBHC HCD to make use of the added functionality.
Patch 1: Convert the uhci_{read,write}* functions to use function
pointers to register access functions. This is done in order to reduce
the amount of nested ifdefs when later adding support for big endian
mmio.
Patch 2: Add functions used for big endian mmio.
Patch 3: Add support for big endian descriptors.
Patch 4: Add detection and support for big endian to uhci-grlib.c
Patches are against usb-next.
Each patch has been compile tested on SPARC32 (LEON) and x86. Tests
have been run with the full series applied on x86 with Intel UHCI HC
(PCI), GR-LEON4-ITX (GRUSBHC, little endian) and on a custom LEON3
system with big endian GRUSBHC.
Best regards,
Jan
drivers/usb/host/Kconfig | 10 +
drivers/usb/host/uhci-debug.c | 71 +++---
drivers/usb/host/uhci-grlib.c | 30 +++
drivers/usb/host/uhci-hcd.c | 16 +-
drivers/usb/host/uhci-hcd.h | 509 ++++++++++++++++++++++++++---------------
drivers/usb/host/uhci-pci.c | 8 +
drivers/usb/host/uhci-q.c | 131 ++++++-----
7 files changed, 484 insertions(+), 291 deletions(-)
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