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timestamps: Switch from tsc_t to uint64_t

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Cherry-pick from chromium and adjusted for added boards
and changed directory layout for arch/arm.

Timestamp implementation for ARMv7

Abstract the use of rdtsc() and make the timestamps
uint64_t in the generic code.

The ARM implementation uses the monotonic timer.

Original-Signed-off-by: Stefan Reinauer <reinauer@google.com>

BRANCH=none
BUG=chrome-os-partner:18637
TEST=See cbmem print timestamps

Original-Change-Id: Id377ba570094c44e6895ae75f8d6578c8865ea62
Original-Reviewed-on: https://gerrit.chromium.org/gerrit/63793
(cherry-picked from commit cc1a75e059020a39146e25b9198b0d58aa03924c)

Change-Id: Ic51fb78ddd05ba81906d9c3b35043fa14fbbed75
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8020
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
This commit is contained in:
Stefan Reinauer
2013-08-01 13:31:44 -07:00
committed by Kyösti Mälkki
parent 83405a1241
commit 3a6550d989
22 changed files with 137 additions and 124 deletions
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2
src/lib/hardwaremain.c
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@ -452,7 +452,7 @@ static void boot_state_schedule_static_entries(void)
void main(void)
{
/* Record current time, try to locate timestamps in CBMEM. */
timestamp_init(rdtsc());
timestamp_init(timestamp_get());
timestamp_add_now(TS_START_RAMSTAGE);
post_code(POST_ENTRY_RAMSTAGE);