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xtensa: xtfpga: fix hardware lockup caused by LCD driver
authorMax Filippov <jcmvbkbc@gmail.com>
Fri, 27 Feb 2015 03:28:00 +0000 (06:28 +0300)
committerMax Filippov <jcmvbkbc@gmail.com>
Fri, 27 Feb 2015 04:55:29 +0000 (07:55 +0300)
commit4949009eb8d40a441dcddcd96e101e77d31cf1b2
tree8ce5900ef60e24168c654174cefaf47b02837fbetree | snapshot
parentbfa76d49576599a4b9f9b7a71f23d73d6dcff735commit | diff
xtensa: xtfpga: fix hardware lockup caused by LCD driver

LCD driver is always built for the XTFPGA platform, but its base address
is not configurable, and is wrong for ML605/KC705. Its initialization
locks up KC705 board hardware.

Make the whole driver optional, and its base address and bus width
configurable. Implement 4-bit bus access method.

Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
arch/xtensa/Kconfig diff | blob | history
arch/xtensa/platforms/xtfpga/Makefile diff | blob | history
arch/xtensa/platforms/xtfpga/include/platform/hardware.h diff | blob | history
arch/xtensa/platforms/xtfpga/include/platform/lcd.h diff | blob | history
arch/xtensa/platforms/xtfpga/lcd.c diff | blob | history
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