diff options
Diffstat (limited to 'payloads/libpayload/drivers')
-rw-r--r-- | payloads/libpayload/drivers/timer/img_pistachio.c | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/payloads/libpayload/drivers/timer/img_pistachio.c b/payloads/libpayload/drivers/timer/img_pistachio.c deleted file mode 100644 index d11c3ff283..0000000000 --- a/payloads/libpayload/drivers/timer/img_pistachio.c +++ /dev/null @@ -1,38 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2014 Imagination Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <libpayload.h> -#include <arch/cpu.h> - -uint64_t timer_hz(void) -{ - return (uint64_t)lib_sysinfo.cpu_khz * 1000; -} - -uint64_t timer_raw_value(void) -{ - static uint64_t total_ticks = 0; - uint8_t overflow = 0; - uint32_t current_ticks = read_c0_count() * 2; - - /* It assumes only one overflow happened since the last call */ - if (current_ticks <= (uint32_t)total_ticks) - overflow = 1; - /* The least significant part(32 bits) of total_ticks will always - * become equal to current ticks */ - total_ticks = (((total_ticks >> 32) + overflow) << 32) + - current_ticks; - return total_ticks; -} |