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stm32mp1: change STGEN clock source to HSE

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No more use static frequency HSI = 64MHz for STGEN clock
but HSE (with higher accurency) by default.

Need to remove CONFIG_SYS_HZ_CLOCK as arch timer frequency
is provided at boot by BootRom and cp15 cntfrq and modified
during clock tree initialization if needed.

When HSI is no more used by any device, this internal
oscillator can be switched off to reduce consumption.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Patrick Delaunay 2018-03-20 11:41:26 +01:00 committed by Tom Rini
parent 938e0e3f6e
commit b90f0e7c37
2 changed files with 1 additions and 1 deletions
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1
arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi
View file

@ -76,6 +76,7 @@
st,pkcs = <
CLK_CKPER_DISABLED
CLK_SDMMC12_PLL3R
CLK_STGEN_HSE
CLK_I2C46_PCLK5
CLK_I2C12_PCLK1
CLK_SDMMC3_PLL3R

1
include/configs/stm32mp1.h
View file

@ -18,7 +18,6 @@
*/
#define CONFIG_SYS_HZ 1000
#define CONFIG_SYS_ARCH_TIMER
#define CONFIG_SYS_HZ_CLOCK 64000000
/*
* malloc() pool size