This adds a wrapper for data cache clean (without invalidate)
by set/way.
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Old-Change-Id: I09ee1563890350a6c1d04f1b96ac5d0c042e2af2
Reviewed-on: https://gerrit.chromium.org/gerrit/66118
Commit-Queue: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Ronald G. Minnich <rminnich@chromium.org>
(cherry picked from commit 05bc4f8564c547eacb9cc840a03b916b3c1c6001)
armv7: clean but do not invalidate caches between stages
This cleans the caches without invalidating them between stages. The
dcache content should still be valid when the next stage begins, so
we should see a small performance gain.
(thanks to gabeblack for pointing this out)
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Old-Change-Id: Ie18d163f3a78e2786e9fbc7479c8bd896b8ac3aa
Reviewed-on: https://gerrit.chromium.org/gerrit/66119
Commit-Queue: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Ronald G. Minnich <rminnich@chromium.org>
(cherry picked from commit 619bfe4cf9b93847e38d03d7076beb78fbfa1d1d)
armv7: Make coreboot and libpayload cache files the same
This merges the difference between the ARM version of cache.c and
cache.h for libpayload and coreboot.
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Old-Change-Id: I246d2ec98385100304266f4bb15337a8fcf8df93
Reviewed-on: https://gerrit.chromium.org/gerrit/66120
Commit-Queue: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Ronald G. Minnich <rminnich@chromium.org>
(cherry picked from commit 0c92f694034f1e94a8aa7811251738c9dc3db2c6)
ARM: Fix cache cleaning operation.
There was no behavior defined for OP_DCCSW in dcache_op_set_way, so it
silently did nothing. Since we started using that to clean the cache between
stages and I have a change that enables caches earlier on, this was preventing
booting on pit.
Old-Change-Id: I3615b6569bf8de195d19d26b62f02932322b7601
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/66234
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
(cherry picked from commit 99241468cb9dcc86fcca9266ffe72baa88a1f79f)
libpayload: Fix data cache cleaning on ARM.
A similar fix was made to coreboot where OP_DCCSW was silently not doing
anything in dcache_op_set_way.
Old-Change-Id: Ia0798aef0cd02da7d1a14b7affa05038a002ab3b
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/66236
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
(cherry picked from commit 6f6596a182a6780a2e997ac320733722697990c5)
Squashed five related commits.
Change-Id: I763d42bd5dd9f58734e1e21eb7c8ce3ce2ea56ee
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6418
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This adds inline wrappers to read the L2 cache auxiliary control
register (L2ACTLR).
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Change-Id: Iec603d7c738426232f7ce3a4a474d01c85fa3f2f
Reviewed-on: https://gerrit.chromium.org/gerrit/64861
Commit-Queue: David Hendricks <dhendrix@chromium.org>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/4437
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
The cache.h header uses standard int types but doesn't include stdint.h itself.
Change-Id: If470978164b0cd1f05c27c2c8eda365133cc47ff
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/63190
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
Reviewed-on: http://review.coreboot.org/4387
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
When dealing with DMA, we need a function to invalidate cache without corrupting
contents on main memory (clean).
Change-Id: I28e632ae57a7b7ed1accee74e76045b92f92a699
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/61078
Reviewed-by: Gabe Black <gabeblack@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
Reviewed-on: http://review.coreboot.org/4345
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This imports the cache/MMU code from coreboot as of 1877cee.
Change-Id: I97ec8b9640921a94a4b27d89e4ae6185e9f96f18
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/48288
Commit-Queue: Stefan Reinauer <reinauer@google.com>
Tested-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/4134
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This imports the newest cache and MMU code from coreboot. This
time it's so new that it hasn't even been checked in to coreboot.
However, this version at least allows DMA to work properly for the
MSHC driver. So even if we rebase a few more times, this version is
at least a step in the right direction.
Note: This omits the stuff that sets up dcache policy since
libpayload should not need to worry about that and it depends
on cbmem stuff.
Change-Id: Idd42b083e8019634aaaa44d5bf5b51db6c3912f5
Signed-off-by: David Hendricks <dhendrix@google.com>
Reviewed-on: http://review.coreboot.org/2975
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Tested-by: build bot (Jenkins)
This imports the new cache maintenance API from coreboot at
commit bba8090. This is a BSD-licensed implementation which
exposes cache maintenance opertaions necessary for payloads
for things such as DMA transfers.
Change-Id: I554676db89517bebc6edae4f7ab7e5882e6f986d
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2974
Tested-by: build bot (Jenkins)
David Hendricks