imx: iomux-v3: Add iomux-mx25.h

Allow usage of the imx-common/iomux-v3.h framework by including pad settings for
the i.MX25. The content of the file is taken from Linux kernel at commit
267dd34, plus the required changes to make it work in U-Boot.
Signed-off-by: NBenoît Thébaudeau <benoit.thebaudeau@advansee.com>

arch/arm/imx-common/Makefile

@@ -27,8 +27,11 @@ include $(TOPDIR)/config.mk
 
 LIB     = $(obj)libimx-common.o
 
+ifeq ($(SOC),$(filter $(SOC),mx25 mx5 mx6))
+COBJS-y	= iomux-v3.o
+endif
 ifeq ($(SOC),$(filter $(SOC),mx5 mx6))
-COBJS-y	= iomux-v3.o timer.o cpu.o speed.o
+COBJS-y	+= timer.o cpu.o speed.o
 COBJS-$(CONFIG_I2C_MXC) += i2c-mxv7.o
 endif
 ifeq ($(SOC),$(filter $(SOC),mx6 mxs))

arch/arm/include/asm/arch-mx25/imx-regs.h

@@ -200,6 +200,7 @@ struct aips_regs {
 #define IMX_CSPI1_BASE		(0x43FA4000)
 #define IMX_KPP_BASE		(0x43FA8000)
 #define IMX_IOPADMUX_BASE	(0x43FAC000)
+#define IOMUXC_BASE_ADDR	IMX_IOPADMUX_BASE
 #define IMX_IOPADCTL_BASE	(0x43FAC22C)
 #define IMX_IOPADGRPCTL_BASE	(0x43FAC418)
 #define IMX_IOPADINPUTSEL_BASE	(0x43FAC460)