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diff --git a/arch/arm/mach-imx/mx3/Kconfig b/arch/arm/mach-imx/mx3/Kconfig
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+if ARCH_MX31
+
+config MX31
+ bool
+ default y
+choice
+ prompt "MX31 board select"
+ optional
+
+config TARGET_MX31PDK
+ bool "Support the i.MX31 PDK board from Freescale/NXP"
+ select BOARD_LATE_INIT
+ select SUPPORT_SPL
+ select BOARD_EARLY_INIT_F
+
+endchoice
+
+config MX31_HCLK_FREQ
+ int "i.MX31 HCLK frequency"
+ default 26000000
+ help
+ Frequency in Hz of the high frequency input clock. Typically
+ 26000000 Hz.
+
+config MX31_CLK32
+ int "i.MX31 CLK32 Frequency"
+ default 32768
+ help
+ Frequency in Hz of the low frequency input clock. Typically
+ 32768 or 32000 Hz.
+
+source "board/freescale/mx31pdk/Kconfig"
+
+endif