diff options
| author | Ruibin Chang <Ruibin.Chang@ite.com.tw> | 2021-05-11 17:41:02 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-05-19 07:40:21 +0000 |
| commit | 5f6de0d0c112038efcf8e2e9755ac4c9b77686cc (patch) | |
| tree | cf52ef0cf4bd053dad51b5400e992a6f89997ab1 | |
| parent | 7275ced0eadbf0adfe307f2e3c49f830e488f89a (diff) | |
| download | chrome-ec-5f6de0d0c112038efcf8e2e9755ac4c9b77686cc.tar.gz | |
zephyr: modify timer for more precision
Change CONFIG_SYS_CLOCK_TICKS_PER_SEC to match our timer3 frequency
for more precise timing (1 tick ~= 30.5us).
BUG=none
BRANCH=none
TEST=on hayato, console cmd "gettime" twice
and compare to my timer time
Signed-off-by: Ruibin Chang <Ruibin.Chang@ite.com.tw>
Change-Id: I1fbd2b0674a591c57548250bc1b3ce60d8e0405c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2887025
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Reviewed-by: Keith Short <keithshort@chromium.org>
| -rw-r--r-- | zephyr/projects/asurada/boards/riscv/asurada/asurada_defconfig | 2 | ||||
| -rw-r--r-- | zephyr/projects/it8xxx2_evb/boards/riscv/it8xxx2_evb/it8xxx2_evb_defconfig | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/zephyr/projects/asurada/boards/riscv/asurada/asurada_defconfig b/zephyr/projects/asurada/boards/riscv/asurada/asurada_defconfig index 7c7c732e71..55ad884dbe 100644 --- a/zephyr/projects/asurada/boards/riscv/asurada/asurada_defconfig +++ b/zephyr/projects/asurada/boards/riscv/asurada/asurada_defconfig @@ -31,7 +31,7 @@ CONFIG_CLOCK_CONTROL=y CONFIG_ITE_IT8XXX2_TIMER=y CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=32768 -CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000 +CONFIG_SYS_CLOCK_TICKS_PER_SEC=32768 # Code RAM base for IT8XXX2 CONFIG_CROS_EC_PROGRAM_MEMORY_BASE=0x80000000 diff --git a/zephyr/projects/it8xxx2_evb/boards/riscv/it8xxx2_evb/it8xxx2_evb_defconfig b/zephyr/projects/it8xxx2_evb/boards/riscv/it8xxx2_evb/it8xxx2_evb_defconfig index cde997421a..5e6a7677f9 100644 --- a/zephyr/projects/it8xxx2_evb/boards/riscv/it8xxx2_evb/it8xxx2_evb_defconfig +++ b/zephyr/projects/it8xxx2_evb/boards/riscv/it8xxx2_evb/it8xxx2_evb_defconfig @@ -43,7 +43,7 @@ CONFIG_ADC_ITE_IT8XXX2=y CONFIG_PLATFORM_EC_ADC_RESOLUTION=10 CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=32768 -CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000 +CONFIG_SYS_CLOCK_TICKS_PER_SEC=32768 # Code RAM base for IT8XXX2 CONFIG_CROS_EC_PROGRAM_MEMORY_BASE=0x80000000 |