diff options
Diffstat (limited to 'payloads/libpayload/drivers/timer/armada38x.c')
-rw-r--r-- | payloads/libpayload/drivers/timer/armada38x.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/payloads/libpayload/drivers/timer/armada38x.c b/payloads/libpayload/drivers/timer/armada38x.c deleted file mode 100644 index 2a060bb848..0000000000 --- a/payloads/libpayload/drivers/timer/armada38x.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Copyright 2015 Google Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <libpayload.h> -#include <libpayload-config.h> - -uint64_t timer_hz(void) -{ - return CONFIG_LP_ARMADA38X_TIMER_FREQ; -} - -uint64_t timer_raw_value(void) -{ - static uint64_t total_ticks = 0; - uint64_t overflow = 0; - uint32_t current_ticks = - 0xffffffff - readl((void *)CONFIG_LP_ARMADA38X_TIMER_REG); - - /* It assumes only one overflow happened since the last call */ - if (current_ticks <= (uint32_t)total_ticks) - overflow = 1ULL << 32; - /* The least significant part(32 bits) of total_ticks will always - * become equal to current ticks */ - total_ticks = (((total_ticks + overflow) >> 32) << 32) + current_ticks; - return total_ticks; -} |