michaelh/zephyr
1
0
Fork 0
Code Releases Activity

soc: lpc55xxx: Fix system hw clock cycle rate

Browse source 
Commit c6e3bac4f changed the core clock frequency of LPC55XXX series.
That clock is used by the cortex-m systick timer, which is the
default timer used for system time in zephyr on this series.
The bug is that the config SYS_CLOCK_HW_CYCLES_PER_SEC default was not
updated on the affected platforms to account for this change, so system
time is currently recorded as 150% of reality. Fix this by changing the
kconfig to be set automatically at SOC level and remove board defaults.

Signed-off-by: Declan Snyder <declan.snyder@nxp.com>
This commit is contained in:
Declan Snyder 2023-11-03 09:57:25 -05:00 • committed by Carles Cufí
commit 4d654250a5
8 changed files with 4 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

1
boards/arm/lpcxpresso55s06/lpcxpresso55s06_defconfig
View file

@ -13,7 +13,6 @@ CONFIG_SERIAL=y
CONFIG_UART_INTERRUPT_DRIVEN=y CONFIG_UART_INTERRUPT_DRIVEN=y
CONFIG_GPIO=y CONFIG_GPIO=y
CONFIG_PINCTRL=y CONFIG_PINCTRL=y
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000
CONFIG_ARM_MPU=y CONFIG_ARM_MPU=y
CONFIG_RUNTIME_NMI=y CONFIG_RUNTIME_NMI=y

1
boards/arm/lpcxpresso55s16/lpcxpresso55s16_defconfig
View file

@ -13,7 +13,6 @@ CONFIG_SERIAL=y
CONFIG_UART_INTERRUPT_DRIVEN=y CONFIG_UART_INTERRUPT_DRIVEN=y
CONFIG_GPIO=y CONFIG_GPIO=y
CONFIG_PINCTRL=y CONFIG_PINCTRL=y
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000
CONFIG_ARM_MPU=y CONFIG_ARM_MPU=y
CONFIG_RUNTIME_NMI=y CONFIG_RUNTIME_NMI=y

1
boards/arm/lpcxpresso55s28/lpcxpresso55s28_defconfig
View file

@ -13,7 +13,6 @@ CONFIG_SERIAL=y
CONFIG_UART_INTERRUPT_DRIVEN=y CONFIG_UART_INTERRUPT_DRIVEN=y
CONFIG_GPIO=y CONFIG_GPIO=y
CONFIG_PINCTRL=y CONFIG_PINCTRL=y
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000
CONFIG_ARM_MPU=y CONFIG_ARM_MPU=y
CONFIG_HW_STACK_PROTECTION=y CONFIG_HW_STACK_PROTECTION=y

1
boards/arm/lpcxpresso55s36/lpcxpresso55s36_defconfig
View file

@ -13,7 +13,6 @@ CONFIG_SERIAL=y
CONFIG_UART_INTERRUPT_DRIVEN=y CONFIG_UART_INTERRUPT_DRIVEN=y
CONFIG_GPIO=y CONFIG_GPIO=y
CONFIG_PINCTRL=y CONFIG_PINCTRL=y
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000
CONFIG_ARM_MPU=y CONFIG_ARM_MPU=y
CONFIG_RUNTIME_NMI=y CONFIG_RUNTIME_NMI=y

1
boards/arm/lpcxpresso55s69/lpcxpresso55s69_cpu0_defconfig
View file

@ -12,7 +12,6 @@ CONFIG_UART_CONSOLE=y
CONFIG_SERIAL=y CONFIG_SERIAL=y
CONFIG_UART_INTERRUPT_DRIVEN=y CONFIG_UART_INTERRUPT_DRIVEN=y
CONFIG_GPIO=y CONFIG_GPIO=y
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000
CONFIG_ARM_MPU=y CONFIG_ARM_MPU=y
CONFIG_HW_STACK_PROTECTION=y CONFIG_HW_STACK_PROTECTION=y
CONFIG_PINCTRL=y CONFIG_PINCTRL=y

1
boards/arm/lpcxpresso55s69/lpcxpresso55s69_cpu1_defconfig
View file

@ -8,7 +8,6 @@ CONFIG_SOC_SERIES_LPC55XXX=y
CONFIG_SOC_LPC55S69_CPU1=y CONFIG_SOC_LPC55S69_CPU1=y
CONFIG_BOARD_LPCXPRESSO55S69_CPU1=y CONFIG_BOARD_LPCXPRESSO55S69_CPU1=y
CONFIG_GPIO=y CONFIG_GPIO=y
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000
CONFIG_PINCTRL=y CONFIG_PINCTRL=y
CONFIG_RUNTIME_NMI=y CONFIG_RUNTIME_NMI=y

1
boards/arm/lpcxpresso55s69/lpcxpresso55s69_ns_defconfig
View file

@ -12,7 +12,6 @@ CONFIG_UART_CONSOLE=y
CONFIG_SERIAL=y CONFIG_SERIAL=y
CONFIG_UART_INTERRUPT_DRIVEN=y CONFIG_UART_INTERRUPT_DRIVEN=y
CONFIG_GPIO=y CONFIG_GPIO=y
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000
CONFIG_PINCTRL=y CONFIG_PINCTRL=y
# TFM sets up MPU_NS, can't correctly change this configuration yet # TFM sets up MPU_NS, can't correctly change this configuration yet

4
soc/arm/nxp_lpc/lpc55xxx/Kconfig.soc
View file

@ -130,6 +130,10 @@ config INIT_PLL1
Note that flash programming operations are limited to 100MHz, and Note that flash programming operations are limited to 100MHz, and
this PLL should not be used as the core clock in those cases. this PLL should not be used as the core clock in those cases.
config SYS_CLOCK_HW_CYCLES_PER_SEC
default 144000000 if INIT_PLL1
default 96000000
config SECOND_CORE_MCUX config SECOND_CORE_MCUX
bool "LPC55xxx's second core" bool "LPC55xxx's second core"
depends on HAS_MCUX depends on HAS_MCUX