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this is not only for speed but also preventing the cpu from crashing.
the cpu is not happy when cache is cleaned without mmu turned on.
BUG=chrome-os-partner:36691
BRANCH=broadcom-firmware
TEST=boot purin to romstage.
Change-Id: I2445dcc2729798c4fc56fa191cbc8471ef708d08
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 9e35c925b75213e1d35bf191f22c39aaf1726eeb
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Change-Id: Icaf8c506df258edb99413949e6e3089a2b1a91af
Original-Reviewed-on: https://chrome-internal-review.googlesource.com/199388
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Commit-Queue: Daisuke Nojiri <dnojiri@google.com>
Original-Tested-by: Daisuke Nojiri <dnojiri@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/251306
Reviewed-on: http://review.coreboot.org/9768
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <edward.ocallaghan@koparo.com>
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we also pick no RETURN_FROM_VERSTAGE.
BUG=none
BRANCH=broadcom-firmware
TEST=booted b0 board
Change-Id: Iddd95f233a614187ae6b26f351a289c23f25742f
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 243598925333982b40297adad878c461990d7d70
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Change-Id: I6ab96628cecb84e061777cc85d6d572823f6d63c
Original-Reviewed-on: https://chromium-review.googlesource.com/251303
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/9767
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <edward.ocallaghan@koparo.com>
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this implements udelay.
BUG=chrome-os-partner:36011
BRANCH=broadcom-firmware
TEST=measured 10 sec of delay by stopwatch
Change-Id: I833b71fac98a871bff71478221a55e1ca15c13df
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 137456e63931052f80247b72f98f958afdba8a27
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Change-Id: Ib5e33a19421eae900800fce94e9fd51bc2c665c4
Original-Reviewed-on: https://chromium-review.googlesource.com/251302
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/9766
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <edward.ocallaghan@koparo.com>
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This commit covers bootblock and romstage.
BUG=none
BRANCH=tot
TEST=ran emerge-purin coreboot
Change-Id: I88e2dffb9e46ba5b066190e844a6a7302adcfdc7
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: b3af6343a74263f086fe82c600559e8204e7dec0
Original-Change-Id: I447ed5f6ed181cfc9d5521b8c57e5fe0036a3f71
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/242854
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9750
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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