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-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/Kconfig77
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index 7572f19..92e8fa6 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -163,6 +163,83 @@ config SYS_HAS_SERDES
endmenu
+menu "Layerscape clock tree configuration"
+ depends on FSL_LSCH2 || FSL_LSCH3
+
+config SYS_FSL_CLK
+ bool "Enable clock tree initialization"
+ default y
+
+config CLUSTER_CLK_FREQ
+ int "Reference clock of core cluster"
+ depends on ARCH_LS1012A
+ default 100000000
+ help
+ This number is the reference clock frequency of core PLL.
+ For most platforms, the core PLL and Platform PLL have the same
+ reference clock, but for some platforms, LS1012A for instance,
+ they are provided sepatately.
+
+config SYS_FSL_PCLK_DIV
+ int "Platform clock divider"
+ default 1 if ARCH_LS1043A
+ default 1 if ARCH_LS1046A
+ default 2
+ help
+ This is the divider that is used to derive Platform clock from
+ Platform PLL, in another word:
+ Platform_clk = Platform_PLL_freq / this_divider
+
+config SYS_FSL_DSPI_CLK_DIV
+ int "DSPI clock divider"
+ default 1 if ARCH_LS1043A
+ default 2
+ help
+ This is the divider that is used to derive DSPI clock from Platform
+ PLL, in another word DSPI_clk = Platform_PLL_freq / this_divider.
+
+config SYS_FSL_DUART_CLK_DIV
+ int "DUART clock divider"
+ default 1 if ARCH_LS1043A
+ default 2
+ help
+ This is the divider that is used to derive DUART clock from Platform
+ clock, in another word DUART_clk = Platform_clk / this_divider.
+
+config SYS_FSL_I2C_CLK_DIV
+ int "I2C clock divider"
+ default 1 if ARCH_LS1043A
+ default 2
+ help
+ This is the divider that is used to derive I2C clock from Platform
+ clock, in another word I2C_clk = Platform_clk / this_divider.
+
+config SYS_FSL_IFC_CLK_DIV
+ int "IFC clock divider"
+ default 1 if ARCH_LS1043A
+ default 2
+ help
+ This is the divider that is used to derive IFC clock from Platform
+ clock, in another word IFC_clk = Platform_clk / this_divider.
+
+config SYS_FSL_LPUART_CLK_DIV
+ int "LPUART clock divider"
+ default 1 if ARCH_LS1043A
+ default 2
+ help
+ This is the divider that is used to derive LPUART clock from Platform
+ clock, in another word LPUART_clk = Platform_clk / this_divider.
+
+config SYS_FSL_SDHC_CLK_DIV
+ int "SDHC clock divider"
+ default 1 if ARCH_LS1043A
+ default 1 if ARCH_LS1012A
+ default 2
+ help
+ This is the divider that is used to derive SDHC clock from Platform
+ clock, in another word SDHC_clk = Platform_clk / this_divider.
+endmenu
+
config SYS_FSL_ERRATUM_A008336
bool