armv8/fsl-lsch2: refactor the clock system initialization

[u-boot] / arch / arm / cpu / armv8 / fsl-layerscape / Kconfig

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index de0b580e964391af2d3ff471b2a49582ecf4f65c..92e8fa65e438366a9ca3248da881979125f18156 100644 (file)
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -1,5 +1,6 @@
 config ARCH_LS1012A
        bool
+       select ARMV8_SET_SMPEN
        select FSL_LSCH2
        select SYS_FSL_DDR_BE
        select SYS_FSL_MMDC
@@ -7,6 +8,7 @@ config ARCH_LS1012A
 
 config ARCH_LS1043A
        bool
+       select ARMV8_SET_SMPEN
        select FSL_LSCH2
        select SYS_FSL_DDR
        select SYS_FSL_DDR_BE
@@ -23,6 +25,7 @@ config ARCH_LS1043A
 
 config ARCH_LS1046A
        bool
+       select ARMV8_SET_SMPEN
        select FSL_LSCH2
        select SYS_FSL_DDR
        select SYS_FSL_DDR_BE
@@ -38,6 +41,7 @@ config ARCH_LS1046A
 
 config ARCH_LS2080A
        bool
+       select ARMV8_SET_SMPEN
        select FSL_LSCH3
        select SYS_FSL_DDR
        select SYS_FSL_DDR_LE
@@ -75,6 +79,17 @@ config FSL_LSCH3
 menu "Layerscape architecture"
        depends on FSL_LSCH2 || FSL_LSCH3
 
+config FSL_PCIE_COMPAT
+       string "PCIe compatible of Kernel DT"
+       depends on PCIE_LAYERSCAPE
+       default "fsl,ls1012a-pcie" if ARCH_LS1012A
+       default "fsl,ls1043a-pcie" if ARCH_LS1043A
+       default "fsl,ls1046a-pcie" if ARCH_LS1046A
+       default "fsl,ls2080a-pcie" if ARCH_LS2080A
+       help
+         This compatible is used to find pci controller node in Kernel DT
+         to complete fixup.
+
 menu "Layerscape PPA"
 config FSL_LS_PPA
        bool "FSL Layerscape PPA firmware support"
@@ -148,6 +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