diff options
Diffstat (limited to 'src/soc/amd/picasso/monotonic_timer.c')
-rw-r--r-- | src/soc/amd/picasso/monotonic_timer.c | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/src/soc/amd/picasso/monotonic_timer.c b/src/soc/amd/picasso/monotonic_timer.c deleted file mode 100644 index 7ea571f635..0000000000 --- a/src/soc/amd/picasso/monotonic_timer.c +++ /dev/null @@ -1,38 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2018 Google Inc. - * - * 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; either 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 <cpu/x86/msr.h> -#include <timer.h> -#include <timestamp.h> - -#define CU_PTSC_MSR 0xc0010280 -#define PTSC_FREQ_MHZ 100 - -void timer_monotonic_get(struct mono_time *mt) -{ - mono_time_set_usecs(mt, timestamp_get()); -} - -uint64_t timestamp_get(void) -{ - unsigned long long val; - msr_t msr; - - msr = rdmsr(CU_PTSC_MSR); - - val = ((unsigned long long)msr.hi << 32) | msr.lo; - - return val / PTSC_FREQ_MHZ; -} |