15 files changed, 371 insertions, 453 deletions

diff --git a/arch/arm/mach-mx2/Makefile b/arch/arm/mach-mx2/Makefile
index e8910903b24f..e3254faac828 100644
--- a/arch/arm/mach-mx2/Makefile
+++ b/arch/arm/mach-mx2/Makefile
@@ -4,14 +4,12 @@
 
 # Object file lists.
 
-obj-y	:=  generic.o devices.o serial.o
-CFLAGS_generic.o = -DIMX_NEEDS_DEPRECATED_SYMBOLS
-CFLAGS_devices.o = -DIMX_NEEDS_DEPRECATED_SYMBOLS
+obj-y	:=  devices.o serial.o
 
-obj-$(CONFIG_MACH_MX21) += clock_imx21.o
+obj-$(CONFIG_MACH_MX21) += clock_imx21.o mm-imx21.o
 
 obj-$(CONFIG_MACH_MX27) += cpu_imx27.o
-obj-$(CONFIG_MACH_MX27) += clock_imx27.o
+obj-$(CONFIG_MACH_MX27) += clock_imx27.o mm-imx27.o
 
 obj-$(CONFIG_MACH_MX21ADS) += mach-mx21ads.o
 obj-$(CONFIG_MACH_MX27ADS) += mach-mx27ads.o
diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c
index 3d398ce09b31..a4b809b82fa3 100644
--- a/arch/arm/mach-mx2/devices.c
+++ b/arch/arm/mach-mx2/devices.c
@@ -46,65 +46,31 @@
  * - i.MX21: 2 channel
  * - i.MX27: 3 channel
  */
-static struct resource mxc_spi_resources0[] = {
-	{
-	       .start = CSPI1_BASE_ADDR,
-	       .end = CSPI1_BASE_ADDR + SZ_4K - 1,
-	       .flags = IORESOURCE_MEM,
-	}, {
-	       .start = MXC_INT_CSPI1,
-	       .end = MXC_INT_CSPI1,
-	       .flags = IORESOURCE_IRQ,
-	},
-};
-
-static struct resource mxc_spi_resources1[] = {
-	{
-		.start = CSPI2_BASE_ADDR,
-		.end = CSPI2_BASE_ADDR + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = MXC_INT_CSPI2,
-		.end = MXC_INT_CSPI2,
-		.flags = IORESOURCE_IRQ,
-	},
-};
-
-#ifdef CONFIG_MACH_MX27
-static struct resource mxc_spi_resources2[] = {
-	{
-		.start = CSPI3_BASE_ADDR,
-		.end = CSPI3_BASE_ADDR + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = MXC_INT_CSPI3,
-		.end = MXC_INT_CSPI3,
-		.flags = IORESOURCE_IRQ,
-	},
-};
-#endif
-
-struct platform_device mxc_spi_device0 = {
-	.name = "spi_imx",
-	.id = 0,
-	.num_resources = ARRAY_SIZE(mxc_spi_resources0),
-	.resource = mxc_spi_resources0,
-};
+#define DEFINE_IMX_SPI_DEVICE(n, baseaddr, irq)					\
+	static struct resource mxc_spi_resources ## n[] = {			\
+		{								\
+			.start = baseaddr,					\
+			.end = baseaddr + SZ_4K - 1,				\
+			.flags = IORESOURCE_MEM,				\
+		}, {								\
+			.start = irq,						\
+			.end = irq,						\
+			.flags = IORESOURCE_IRQ,				\
+		},								\
+	};									\
+										\
+	struct platform_device mxc_spi_device ## n = {				\
+		.name = "spi_imx",						\
+		.id = n,							\
+		.num_resources = ARRAY_SIZE(mxc_spi_resources ## n),		\
+		.resource = mxc_spi_resources ## n,				\
+	}
 
-struct platform_device mxc_spi_device1 = {
-	.name = "spi_imx",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(mxc_spi_resources1),
-	.resource = mxc_spi_resources1,
-};
+DEFINE_IMX_SPI_DEVICE(0, MX2x_CSPI1_BASE_ADDR, MX2x_INT_CSPI1);
+DEFINE_IMX_SPI_DEVICE(1, MX2x_CSPI2_BASE_ADDR, MX2x_INT_CSPI2);
 
 #ifdef CONFIG_MACH_MX27
-struct platform_device mxc_spi_device2 = {
-	.name = "spi_imx",
-	.id = 2,
-	.num_resources = ARRAY_SIZE(mxc_spi_resources2),
-	.resource = mxc_spi_resources2,
-};
+DEFINE_IMX_SPI_DEVICE(2, MX27_CSPI3_BASE_ADDR, MX27_INT_CSPI3);
 #endif
 
 /*
@@ -112,104 +78,34 @@ struct platform_device mxc_spi_device2 = {
  * - i.MX21: 3 timers
  * - i.MX27: 6 timers
  */
-
-/* We use gpt0 as system timer, so do not add a device for this one */
-
-static struct resource timer1_resources[] = {
-	{
-		.start	= GPT2_BASE_ADDR,
-		.end	= GPT2_BASE_ADDR + 0x17,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start   = MXC_INT_GPT2,
-		.end     = MXC_INT_GPT2,
-		.flags   = IORESOURCE_IRQ,
+#define DEFINE_IMX_GPT_DEVICE(n, baseaddr, irq)				\
+	static struct resource timer ## n ##_resources[] = {		\
+		{							\
+			.start = baseaddr,				\
+			.end = baseaddr + SZ_4K - 1,			\
+			.flags = IORESOURCE_MEM,			\
+		}, {							\
+			.start = irq,					\
+			.end = irq,					\
+			.flags = IORESOURCE_IRQ,			\
+		}							\
+	};								\
+									\
+	struct platform_device mxc_gpt ## n = {				\
+		.name = "imx_gpt",					\
+		.id = n,						\
+		.num_resources = ARRAY_SIZE(timer ## n ## _resources),	\
+		.resource = timer ## n ## _resources,			\
 	}
-};
-
-struct platform_device mxc_gpt1 = {
-	.name = "imx_gpt",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(timer1_resources),
-	.resource = timer1_resources,
-};
 
-static struct resource timer2_resources[] = {
-	{
-		.start	= GPT3_BASE_ADDR,
-		.end	= GPT3_BASE_ADDR + 0x17,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start   = MXC_INT_GPT3,
-		.end     = MXC_INT_GPT3,
-		.flags   = IORESOURCE_IRQ,
-	}
-};
-
-struct platform_device mxc_gpt2 = {
-	.name = "imx_gpt",
-	.id = 2,
-	.num_resources = ARRAY_SIZE(timer2_resources),
-	.resource = timer2_resources,
-};
+/* We use gpt1 as system timer, so do not add a device for this one */
+DEFINE_IMX_GPT_DEVICE(1, MX2x_GPT2_BASE_ADDR, MX2x_INT_GPT2);
+DEFINE_IMX_GPT_DEVICE(2, MX2x_GPT3_BASE_ADDR, MX2x_INT_GPT3);
 
 #ifdef CONFIG_MACH_MX27
-static struct resource timer3_resources[] = {
-	{
-		.start	= GPT4_BASE_ADDR,
-		.end	= GPT4_BASE_ADDR + 0x17,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start   = MXC_INT_GPT4,
-		.end     = MXC_INT_GPT4,
-		.flags   = IORESOURCE_IRQ,
-	}
-};
-
-struct platform_device mxc_gpt3 = {
-	.name = "imx_gpt",
-	.id = 3,
-	.num_resources = ARRAY_SIZE(timer3_resources),
-	.resource = timer3_resources,
-};
-
-static struct resource timer4_resources[] = {
-	{
-		.start	= GPT5_BASE_ADDR,
-		.end	= GPT5_BASE_ADDR + 0x17,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start   = MXC_INT_GPT5,
-		.end     = MXC_INT_GPT5,
-		.flags   = IORESOURCE_IRQ,
-	}
-};
-
-struct platform_device mxc_gpt4 = {
-	.name = "imx_gpt",
-	.id = 4,
-	.num_resources = ARRAY_SIZE(timer4_resources),
-	.resource = timer4_resources,
-};
-
-static struct resource timer5_resources[] = {
-	{
-		.start	= GPT6_BASE_ADDR,
-		.end	= GPT6_BASE_ADDR + 0x17,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start   = MXC_INT_GPT6,
-		.end     = MXC_INT_GPT6,
-		.flags   = IORESOURCE_IRQ,
-	}
-};
-
-struct platform_device mxc_gpt5 = {
-	.name = "imx_gpt",
-	.id = 5,
-	.num_resources = ARRAY_SIZE(timer5_resources),
-	.resource = timer5_resources,
-};
+DEFINE_IMX_GPT_DEVICE(3, MX27_GPT4_BASE_ADDR, MX27_INT_GPT4);
+DEFINE_IMX_GPT_DEVICE(4, MX27_GPT5_BASE_ADDR, MX27_INT_GPT5);
+DEFINE_IMX_GPT_DEVICE(5, MX27_GPT6_BASE_ADDR, MX27_INT_GPT6);
 #endif
 
 /*
@@ -220,9 +116,9 @@ struct platform_device mxc_gpt5 = {
  */
 static struct resource mxc_wdt_resources[] = {
 	{
-		.start	= WDOG_BASE_ADDR,
-		.end	= WDOG_BASE_ADDR + 0x30,
-		.flags	= IORESOURCE_MEM,
+		.start = MX2x_WDOG_BASE_ADDR,
+		.end = MX2x_WDOG_BASE_ADDR + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
 	},
 };
 
@@ -235,8 +131,8 @@ struct platform_device mxc_wdt = {
 
 static struct resource mxc_w1_master_resources[] = {
 	{
-		.start = OWIRE_BASE_ADDR,
-		.end   = OWIRE_BASE_ADDR + SZ_4K - 1,
+		.start = MX2x_OWIRE_BASE_ADDR,
+		.end = MX2x_OWIRE_BASE_ADDR + SZ_4K - 1,
 		.flags = IORESOURCE_MEM,
 	},
 };
@@ -248,24 +144,33 @@ struct platform_device mxc_w1_master_device = {
 	.resource = mxc_w1_master_resources,
 };
 
-static struct resource mxc_nand_resources[] = {
-	{
-		.start	= NFC_BASE_ADDR,
-		.end	= NFC_BASE_ADDR + 0xfff,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start	= MXC_INT_NANDFC,
-		.end	= MXC_INT_NANDFC,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
+#define DEFINE_MXC_NAND_DEVICE(pfx, baseaddr, irq)			\
+	static struct resource pfx ## _nand_resources[] = {		\
+		{							\
+			.start = baseaddr,				\
+			.end = baseaddr + SZ_4K - 1,			\
+			.flags = IORESOURCE_MEM,			\
+		}, {							\
+			.start = irq,					\
+			.end = irq,					\
+			.flags = IORESOURCE_IRQ,			\
+		},							\
+	};								\
+									\
+	struct platform_device pfx ## _nand_device = {			\
+		.name = "mxc_nand",					\
+		.id = 0,						\
+		.num_resources = ARRAY_SIZE(pfx ## _nand_resources),	\
+		.resource = pfx ## _nand_resources,			\
+	}
 
-struct platform_device mxc_nand_device = {
-	.name = "mxc_nand",
-	.id = 0,
-	.num_resources = ARRAY_SIZE(mxc_nand_resources),
-	.resource = mxc_nand_resources,
-};
+#ifdef CONFIG_MACH_MX21
+DEFINE_MXC_NAND_DEVICE(imx21, MX21_NFC_BASE_ADDR, MX21_INT_NANDFC);
+#endif
+
+#ifdef CONFIG_MACH_MX27
+DEFINE_MXC_NAND_DEVICE(imx27, MX27_NFC_BASE_ADDR, MX27_INT_NANDFC);
+#endif
 
 /*
  * lcdc:
@@ -275,12 +180,12 @@ struct platform_device mxc_nand_device = {
  */
 static struct resource mxc_fb[] = {
 	{
-		.start = LCDC_BASE_ADDR,
-		.end   = LCDC_BASE_ADDR + 0xFFF,
+		.start = MX2x_LCDC_BASE_ADDR,
+		.end = MX2x_LCDC_BASE_ADDR + SZ_4K - 1,
 		.flags = IORESOURCE_MEM,
 	}, {
-		.start = MXC_INT_LCDC,
-		.end   = MXC_INT_LCDC,
+		.start = MX2x_INT_LCDC,
+		.end = MX2x_INT_LCDC,
 		.flags = IORESOURCE_IRQ,
 	}
 };
@@ -299,13 +204,13 @@ struct platform_device mxc_fb_device = {
 #ifdef CONFIG_MACH_MX27
 static struct resource mxc_fec_resources[] = {
 	{
-		.start	= FEC_BASE_ADDR,
-		.end	= FEC_BASE_ADDR + 0xfff,
-		.flags	= IORESOURCE_MEM,
+		.start = MX27_FEC_BASE_ADDR,
+		.end = MX27_FEC_BASE_ADDR + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
 	}, {
-		.start	= MXC_INT_FEC,
-		.end	= MXC_INT_FEC,
-		.flags	= IORESOURCE_IRQ,
+		.start = MX27_INT_FEC,
+		.end = MX27_INT_FEC,
+		.flags = IORESOURCE_IRQ,
 	},
 };
 
@@ -317,55 +222,41 @@ struct platform_device mxc_fec_device = {
 };
 #endif
 
-static struct resource mxc_i2c_1_resources[] = {
-	{
-		.start	= I2C_BASE_ADDR,
-		.end	= I2C_BASE_ADDR + 0x0fff,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start	= MXC_INT_I2C,
-		.end	= MXC_INT_I2C,
-		.flags	= IORESOURCE_IRQ,
+#define DEFINE_IMX_I2C_DEVICE(n, baseaddr, irq)				\
+	static struct resource mxc_i2c_resources ## n[] = {		\
+		{							\
+			.start = baseaddr,				\
+			.end = baseaddr + SZ_4K - 1,			\
+			.flags = IORESOURCE_MEM,			\
+		}, {							\
+			.start = irq,					\
+			.end = irq,					\
+			.flags = IORESOURCE_IRQ,			\
+		}							\
+	};								\
+									\
+	struct platform_device mxc_i2c_device ## n = {			\
+		.name = "imx-i2c",					\
+		.id = n,						\
+		.num_resources = ARRAY_SIZE(mxc_i2c_resources ## n),	\
+		.resource = mxc_i2c_resources ## n,			\
 	}
-};
 
-struct platform_device mxc_i2c_device0 = {
-	.name = "imx-i2c",
-	.id = 0,
-	.num_resources = ARRAY_SIZE(mxc_i2c_1_resources),
-	.resource = mxc_i2c_1_resources,
-};
+DEFINE_IMX_I2C_DEVICE(0, MX2x_I2C_BASE_ADDR, MX2x_INT_I2C);
 
 #ifdef CONFIG_MACH_MX27
-static struct resource mxc_i2c_2_resources[] = {
-	{
-		.start	= I2C2_BASE_ADDR,
-		.end	= I2C2_BASE_ADDR + 0x0fff,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start	= MXC_INT_I2C2,
-		.end	= MXC_INT_I2C2,
-		.flags	= IORESOURCE_IRQ,
-	}
-};
-
-struct platform_device mxc_i2c_device1 = {
-	.name = "imx-i2c",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(mxc_i2c_2_resources),
-	.resource = mxc_i2c_2_resources,
-};
+DEFINE_IMX_I2C_DEVICE(1, MX27_I2C2_BASE_ADDR, MX27_INT_I2C2);
 #endif
 
 static struct resource mxc_pwm_resources[] = {
 	{
-		.start	= PWM_BASE_ADDR,
-		.end	= PWM_BASE_ADDR + 0x0fff,
-		.flags	= IORESOURCE_MEM,
+		.start = MX2x_PWM_BASE_ADDR,
+		.end = MX2x_PWM_BASE_ADDR + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
 	}, {
-		.start   = MXC_INT_PWM,
-		.end     = MXC_INT_PWM,
-		.flags   = IORESOURCE_IRQ,
+		.start = MX2x_INT_PWM,
+		.end = MX2x_INT_PWM,
+		.flags = IORESOURCE_IRQ,
 	}
 };
 
@@ -379,74 +270,49 @@ struct platform_device mxc_pwm_device = {
 /*
  * Resource definition for the MXC SDHC
  */
-static struct resource mxc_sdhc1_resources[] = {
-	{
-		.start = SDHC1_BASE_ADDR,
-		.end   = SDHC1_BASE_ADDR + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = MXC_INT_SDHC1,
-		.end   = MXC_INT_SDHC1,
-		.flags = IORESOURCE_IRQ,
-	}, {
-		.start  = DMA_REQ_SDHC1,
-		.end    = DMA_REQ_SDHC1,
-		.flags  = IORESOURCE_DMA,
-	},
-};
-
-static u64 mxc_sdhc1_dmamask = 0xffffffffUL;
-
-struct platform_device mxc_sdhc_device0 = {
-       .name           = "mxc-mmc",
-       .id             = 0,
-       .dev            = {
-               .dma_mask = &mxc_sdhc1_dmamask,
-               .coherent_dma_mask = 0xffffffff,
-       },
-       .num_resources  = ARRAY_SIZE(mxc_sdhc1_resources),
-       .resource       = mxc_sdhc1_resources,
-};
-
-static struct resource mxc_sdhc2_resources[] = {
-	{
-		.start = SDHC2_BASE_ADDR,
-		.end   = SDHC2_BASE_ADDR + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = MXC_INT_SDHC2,
-		.end   = MXC_INT_SDHC2,
-		.flags = IORESOURCE_IRQ,
-	}, {
-		.start  = DMA_REQ_SDHC2,
-		.end    = DMA_REQ_SDHC2,
-		.flags  = IORESOURCE_DMA,
-	},
-};
+#define DEFINE_MXC_MMC_DEVICE(n, baseaddr, irq, dmareq)			\
+	static struct resource mxc_sdhc_resources ## n[] = {		\
+		{							\
+			.start = baseaddr,				\
+			.end = baseaddr + SZ_4K - 1,			\
+			.flags = IORESOURCE_MEM,			\
+		}, {							\
+			.start = irq,					\
+			.end = irq,					\
+			.flags = IORESOURCE_IRQ,			\
+		}, {							\
+			.start = dmareq,				\
+			.end = dmareq,					\
+			.flags = IORESOURCE_DMA,			\
+		},							\
+	};								\
+									\
+	static u64 mxc_sdhc ## n ## _dmamask = 0xffffffffUL;		\
+									\
+	struct platform_device mxc_sdhc_device ## n = {			\
+		.name = "mxc-mmc",					\
+		.id = n,						\
+		.dev = {						\
+			.dma_mask = &mxc_sdhc ## n ## _dmamask,		\
+			.coherent_dma_mask = 0xffffffff,		\
+		},							\
+		.num_resources = ARRAY_SIZE(mxc_sdhc_resources ## n),	\
+		.resource = mxc_sdhc_resources ## n,		\
+	}
 
-static u64 mxc_sdhc2_dmamask = 0xffffffffUL;
-
-struct platform_device mxc_sdhc_device1 = {
-       .name           = "mxc-mmc",
-       .id             = 1,
-       .dev            = {
-               .dma_mask = &mxc_sdhc2_dmamask,
-               .coherent_dma_mask = 0xffffffff,
-       },
-       .num_resources  = ARRAY_SIZE(mxc_sdhc2_resources),
-       .resource       = mxc_sdhc2_resources,
-};
+DEFINE_MXC_MMC_DEVICE(0, MX2x_SDHC1_BASE_ADDR, MX2x_INT_SDHC1, MX2x_DMA_REQ_SDHC1);
+DEFINE_MXC_MMC_DEVICE(1, MX2x_SDHC2_BASE_ADDR, MX2x_INT_SDHC2, MX2x_DMA_REQ_SDHC2);
 
 #ifdef CONFIG_MACH_MX27
 static struct resource otg_resources[] = {
 	{
-		.start	= OTG_BASE_ADDR,
-		.end	= OTG_BASE_ADDR + 0x1ff,
-		.flags	= IORESOURCE_MEM,
+		.start = MX27_USBOTG_BASE_ADDR,
+		.end = MX27_USBOTG_BASE_ADDR + 0x1ff,
+		.flags = IORESOURCE_MEM,
 	}, {
-		.start	= MXC_INT_USB3,
-		.end	= MXC_INT_USB3,
-		.flags	= IORESOURCE_IRQ,
+		.start = MX27_INT_USB3,
+		.end = MX27_INT_USB3,
+		.flags = IORESOURCE_IRQ,
 	},
 };
 
@@ -454,14 +320,14 @@ static u64 otg_dmamask = 0xffffffffUL;
 
 /* OTG gadget device */
 struct platform_device mxc_otg_udc_device = {
-	.name		= "fsl-usb2-udc",
-	.id		= -1,
-	.dev		= {
-		.dma_mask		= &otg_dmamask,
-		.coherent_dma_mask	= 0xffffffffUL,
+	.name = "fsl-usb2-udc",
+	.id = -1,
+	.dev = {
+		.dma_mask = &otg_dmamask,
+		.coherent_dma_mask = 0xffffffffUL,
 	},
-	.resource	= otg_resources,
-	.num_resources	= ARRAY_SIZE(otg_resources),
+	.resource = otg_resources,
+	.num_resources = ARRAY_SIZE(otg_resources),
 };
 
 /* OTG host */
@@ -482,12 +348,12 @@ static u64 usbh1_dmamask = 0xffffffffUL;
 
 static struct resource mxc_usbh1_resources[] = {
 	{
-		.start = OTG_BASE_ADDR + 0x200,
-		.end = OTG_BASE_ADDR + 0x3ff,
+		.start = MX27_USBOTG_BASE_ADDR + 0x200,
+		.end = MX27_USBOTG_BASE_ADDR + 0x3ff,
 		.flags = IORESOURCE_MEM,
 	}, {
-		.start = MXC_INT_USB1,
-		.end = MXC_INT_USB1,
+		.start = MX27_INT_USB1,
+		.end = MX27_INT_USB1,
 		.flags = IORESOURCE_IRQ,
 	},
 };
@@ -508,12 +374,12 @@ static u64 usbh2_dmamask = 0xffffffffUL;
 
 static struct resource mxc_usbh2_resources[] = {
 	{
-		.start = OTG_BASE_ADDR + 0x400,
-		.end = OTG_BASE_ADDR + 0x5ff,
+		.start = MX27_USBOTG_BASE_ADDR + 0x400,
+		.end = MX27_USBOTG_BASE_ADDR + 0x5ff,
 		.flags = IORESOURCE_MEM,
 	}, {
-		.start = MXC_INT_USB2,
-		.end = MXC_INT_USB2,
+		.start = MX27_INT_USB2,
+		.end = MX27_INT_USB2,
 		.flags = IORESOURCE_IRQ,
 	},
 };
@@ -530,115 +396,88 @@ struct platform_device mxc_usbh2 = {
 };
 #endif
 
-static struct resource imx_ssi_resources0[] = {
-	{
-		.start	= SSI1_BASE_ADDR,
-		.end	= SSI1_BASE_ADDR + 0x6F,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start	= MXC_INT_SSI1,
-		.end	= MXC_INT_SSI1,
-		.flags	= IORESOURCE_IRQ,
-	}, {
-		.name	= "tx0",
-		.start	= DMA_REQ_SSI1_TX0,
-		.end	= DMA_REQ_SSI1_TX0,
-		.flags	= IORESOURCE_DMA,
-	}, {
-		.name	= "rx0",
-		.start	= DMA_REQ_SSI1_RX0,
-		.end	= DMA_REQ_SSI1_RX0,
-		.flags	= IORESOURCE_DMA,
-	}, {
-		.name	= "tx1",
-		.start	= DMA_REQ_SSI1_TX1,
-		.end	= DMA_REQ_SSI1_TX1,
-		.flags	= IORESOURCE_DMA,
-	}, {
-		.name	= "rx1",
-		.start	= DMA_REQ_SSI1_RX1,
-		.end	= DMA_REQ_SSI1_RX1,
-		.flags	= IORESOURCE_DMA,
-	},
-};
-
-static struct resource imx_ssi_resources1[] = {
-	{
-		.start	= SSI2_BASE_ADDR,
-		.end	= SSI2_BASE_ADDR + 0x6F,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start	= MXC_INT_SSI2,
-		.end	= MXC_INT_SSI2,
-		.flags	= IORESOURCE_IRQ,
-	}, {
-		.name	= "tx0",
-		.start	= DMA_REQ_SSI2_TX0,
-		.end	= DMA_REQ_SSI2_TX0,
-		.flags	= IORESOURCE_DMA,
-	}, {
-		.name	= "rx0",
-		.start	= DMA_REQ_SSI2_RX0,
-		.end	= DMA_REQ_SSI2_RX0,
-		.flags	= IORESOURCE_DMA,
-	}, {
-		.name	= "tx1",
-		.start	= DMA_REQ_SSI2_TX1,
-		.end	= DMA_REQ_SSI2_TX1,
-		.flags	= IORESOURCE_DMA,
-	}, {
-		.name	= "rx1",
-		.start	= DMA_REQ_SSI2_RX1,
-		.end	= DMA_REQ_SSI2_RX1,
-		.flags	= IORESOURCE_DMA,
-	},
-};
+#define DEFINE_IMX_SSI_DMARES(_name, ssin, suffix)			\
+	{								\
+		.name = _name,						\
+		.start = MX2x_DMA_REQ_SSI ## ssin ## _ ## suffix,	\
+		.end = MX2x_DMA_REQ_SSI ## ssin ## _ ## suffix,		\
+		.flags = IORESOURCE_DMA,				\
+	}
 
-struct platform_device imx_ssi_device0 = {
-	.name = "imx-ssi",
-	.id = 0,
-	.num_resources = ARRAY_SIZE(imx_ssi_resources0),
-	.resource = imx_ssi_resources0,
-};
+#define DEFINE_IMX_SSI_DEVICE(n, ssin, baseaddr, irq)			\
+	static struct resource imx_ssi_resources ## n[] = {		\
+		{							\
+			.start = MX2x_SSI ## ssin ## _BASE_ADDR,	\
+			.end = MX2x_SSI ## ssin ## _BASE_ADDR + 0x6f,	\
+			.flags = IORESOURCE_MEM,			\
+		}, {							\
+			.start = MX2x_INT_SSI1,				\
+			.end = MX2x_INT_SSI1,				\
+			.flags = IORESOURCE_IRQ,			\
+		},							\
+		DEFINE_IMX_SSI_DMARES("tx0", ssin, TX0),		\
+		DEFINE_IMX_SSI_DMARES("rx0", ssin, RX0),		\
+		DEFINE_IMX_SSI_DMARES("tx1", ssin, TX1),		\
+		DEFINE_IMX_SSI_DMARES("rx1", ssin, RX1),		\
+	};								\
+									\
+	struct platform_device imx_ssi_device ## n = {			\
+		.name = "imx-ssi",					\
+		.id = n,						\
+		.num_resources = ARRAY_SIZE(imx_ssi_resources ## n),	\
+		.resource = imx_ssi_resources ## n,			\
+	}
 
-struct platform_device imx_ssi_device1 = {
-	.name = "imx-ssi",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(imx_ssi_resources1),
-	.resource = imx_ssi_resources1,
-};
+DEFINE_IMX_SSI_DEVICE(0, 1, MX2x_SSI1_BASE_ADDR, MX2x_INT_SSI1);
+DEFINE_IMX_SSI_DEVICE(1, 2, MX2x_SSI1_BASE_ADDR, MX2x_INT_SSI1);
 
 /* GPIO port description */
-static struct mxc_gpio_port imx_gpio_ports[] = {
-	{
-		.chip.label = "gpio-0",
-		.irq = MXC_INT_GPIO,
-		.base = IO_ADDRESS(GPIO_BASE_ADDR),
-		.virtual_irq_start = MXC_GPIO_IRQ_START,
-	}, {
-		.chip.label = "gpio-1",
-		.base = IO_ADDRESS(GPIO_BASE_ADDR + 0x100),
-		.virtual_irq_start = MXC_GPIO_IRQ_START + 32,
-	}, {
-		.chip.label = "gpio-2",
-		.base = IO_ADDRESS(GPIO_BASE_ADDR + 0x200),
-		.virtual_irq_start = MXC_GPIO_IRQ_START + 64,
-	}, {
-		.chip.label = "gpio-3",
-		.base = IO_ADDRESS(GPIO_BASE_ADDR + 0x300),
-		.virtual_irq_start = MXC_GPIO_IRQ_START + 96,
-	}, {
-		.chip.label = "gpio-4",
-		.base = IO_ADDRESS(GPIO_BASE_ADDR + 0x400),
-		.virtual_irq_start = MXC_GPIO_IRQ_START + 128,
-	}, {
-		.chip.label = "gpio-5",
-		.base = IO_ADDRESS(GPIO_BASE_ADDR + 0x500),
-		.virtual_irq_start = MXC_GPIO_IRQ_START + 160,
+#define DEFINE_MXC_GPIO_PORT_IRQ(SOC, n, _irq)				\
+	{								\
+		.chip.label = "gpio-" #n,				\
+		.irq = _irq,						\
+		.base = SOC ## _IO_ADDRESS(MX2x_GPIO_BASE_ADDR +	\
+				n * 0x100),				\
+		.virtual_irq_start = MXC_GPIO_IRQ_START + n * 32,	\
 	}
-};
+
+#define DEFINE_MXC_GPIO_PORT(SOC, n)					\
+	{								\
+		.chip.label = "gpio-" #n,				\
+		.base = SOC ## _IO_ADDRESS(MX2x_GPIO_BASE_ADDR +	\
+				n * 0x100),				\
+		.virtual_irq_start = MXC_GPIO_IRQ_START + n * 32,	\
+	}
+
+#define DEFINE_MXC_GPIO_PORTS(SOC, pfx)					\
+	static struct mxc_gpio_port pfx ## _gpio_ports[] = {		\
+		DEFINE_MXC_GPIO_PORT_IRQ(SOC, 0, SOC ## _INT_GPIO),	\
+		DEFINE_MXC_GPIO_PORT(SOC, 1),				\
+		DEFINE_MXC_GPIO_PORT(SOC, 2),				\
+		DEFINE_MXC_GPIO_PORT(SOC, 3),				\
+		DEFINE_MXC_GPIO_PORT(SOC, 4),				\
+		DEFINE_MXC_GPIO_PORT(SOC, 5),				\
+	}
+
+#ifdef CONFIG_MACH_MX21
+DEFINE_MXC_GPIO_PORTS(MX21, imx21);
+#endif
+
+#ifdef CONFIG_MACH_MX27
+DEFINE_MXC_GPIO_PORTS(MX27, imx27);
+#endif
 
 int __init mxc_register_gpios(void)
 {
-	return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
+#ifdef CONFIG_MACH_MX21
+	if (cpu_is_mx21())
+		return mxc_gpio_init(imx21_gpio_ports, ARRAY_SIZE(imx21_gpio_ports));
+	else
+#endif
+#ifdef CONFIG_MACH_MX27
+	if (cpu_is_mx27())
+		return mxc_gpio_init(imx27_gpio_ports, ARRAY_SIZE(imx27_gpio_ports));
+	else
+#endif
+		return 0;
 }
diff --git a/arch/arm/mach-mx2/devices.h b/arch/arm/mach-mx2/devices.h
index 97306aa18f1c..f15df2aaae4d 100644
--- a/arch/arm/mach-mx2/devices.h
+++ b/arch/arm/mach-mx2/devices.h
@@ -1,8 +1,10 @@
 extern struct platform_device mxc_gpt1;
 extern struct platform_device mxc_gpt2;
+#ifdef CONFIG_MACH_MX27
 extern struct platform_device mxc_gpt3;
 extern struct platform_device mxc_gpt4;
 extern struct platform_device mxc_gpt5;
+#endif
 extern struct platform_device mxc_wdt;
 extern struct platform_device mxc_uart_device0;
 extern struct platform_device mxc_uart_device1;
@@ -11,12 +13,19 @@ extern struct platform_device mxc_uart_device3;
 extern struct platform_device mxc_uart_device4;
 extern struct platform_device mxc_uart_device5;
 extern struct platform_device mxc_w1_master_device;
-extern struct platform_device mxc_nand_device;
+#ifdef CONFIG_MACH_MX21
+extern struct platform_device imx21_nand_device;
+#endif
+#ifdef CONFIG_MACH_MX27
+extern struct platform_device imx27_nand_device;
+#endif
 extern struct platform_device mxc_fb_device;
 extern struct platform_device mxc_fec_device;
 extern struct platform_device mxc_pwm_device;
 extern struct platform_device mxc_i2c_device0;
+#ifdef CONFIG_MACH_MX27
 extern struct platform_device mxc_i2c_device1;
+#endif
 extern struct platform_device mxc_sdhc_device0;
 extern struct platform_device mxc_sdhc_device1;
 extern struct platform_device mxc_otg_udc_device;
@@ -25,6 +34,8 @@ extern struct platform_device mxc_usbh1;
 extern struct platform_device mxc_usbh2;
 extern struct platform_device mxc_spi_device0;
 extern struct platform_device mxc_spi_device1;
+#ifdef CONFIG_MACH_MX27
 extern struct platform_device mxc_spi_device2;
+#endif
 extern struct platform_device imx_ssi_device0;
 extern struct platform_device imx_ssi_device1;
diff --git a/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c b/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c
index 7382b6d27ee1..f3b169d5245f 100644
--- a/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c
+++ b/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c
@@ -28,7 +28,7 @@
 #include <asm/mach/arch.h>
 
 #include <mach/common.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/imxfb.h>
 #include <mach/hardware.h>
 #include <mach/mmc.h>
diff --git a/arch/arm/mach-mx2/mach-cpuimx27.c b/arch/arm/mach-mx2/mach-cpuimx27.c
index 92fd1bf7a638..1f616dcaabc9 100644
--- a/arch/arm/mach-mx2/mach-cpuimx27.c
+++ b/arch/arm/mach-mx2/mach-cpuimx27.c
@@ -36,7 +36,7 @@
 #include <mach/common.h>
 #include <mach/hardware.h>
 #include <mach/i2c.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/imx-uart.h>
 #include <mach/mxc_nand.h>
 
@@ -189,7 +189,8 @@ static void __init eukrea_cpuimx27_init(void)
 
 	mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
 
-	mxc_register_device(&mxc_nand_device, &eukrea_cpuimx27_nand_board_info);
+	mxc_register_device(&imx27_nand_device,
+			&eukrea_cpuimx27_nand_board_info);
 
 	i2c_register_board_info(0, eukrea_cpuimx27_i2c_devices,
 				ARRAY_SIZE(eukrea_cpuimx27_i2c_devices));
diff --git a/arch/arm/mach-mx2/mach-imx27lite.c b/arch/arm/mach-mx2/mach-imx27lite.c
index 621c2c1046ea..b5710bf18b96 100644
--- a/arch/arm/mach-mx2/mach-imx27lite.c
+++ b/arch/arm/mach-mx2/mach-imx27lite.c
@@ -27,7 +27,7 @@
 #include <mach/hardware.h>
 #include <mach/common.h>
 #include <mach/imx-uart.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/board-mx27lite.h>
 
 #include "devices.h"
diff --git a/arch/arm/mach-mx2/mach-mx21ads.c b/arch/arm/mach-mx2/mach-mx21ads.c
index d5eb8065df3e..113e58d7cb40 100644
--- a/arch/arm/mach-mx2/mach-mx21ads.c
+++ b/arch/arm/mach-mx2/mach-mx21ads.c
@@ -30,7 +30,7 @@
 #include <asm/mach/map.h>
 #include <mach/imx-uart.h>
 #include <mach/imxfb.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx21.h>
 #include <mach/mxc_nand.h>
 #include <mach/mmc.h>
 #include <mach/board-mx21ads.h>
@@ -268,7 +268,7 @@ static void __init mx21ads_board_init(void)
 	mxc_register_device(&mxc_uart_device3, &uart_pdata);
 	mxc_register_device(&mxc_fb_device, &mx21ads_fb_data);
 	mxc_register_device(&mxc_sdhc_device0, &mx21ads_sdhc_pdata);
-	mxc_register_device(&mxc_nand_device, &mx21ads_nand_board_info);
+	mxc_register_device(&imx21_nand_device, &mx21ads_nand_board_info);
 
 	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 }
diff --git a/arch/arm/mach-mx2/mach-mx27_3ds.c b/arch/arm/mach-mx2/mach-mx27_3ds.c
index 8c975f6514ad..b2f4e0db3fb3 100644
--- a/arch/arm/mach-mx2/mach-mx27_3ds.c
+++ b/arch/arm/mach-mx2/mach-mx27_3ds.c
@@ -26,7 +26,7 @@
 #include <mach/hardware.h>
 #include <mach/common.h>
 #include <mach/imx-uart.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/board-mx27pdk.h>
 
 #include "devices.h"
diff --git a/arch/arm/mach-mx2/mach-mx27ads.c b/arch/arm/mach-mx2/mach-mx27ads.c
index 808ca271a829..6ce323669e58 100644
--- a/arch/arm/mach-mx2/mach-mx27ads.c
+++ b/arch/arm/mach-mx2/mach-mx27ads.c
@@ -33,7 +33,7 @@
 #include <asm/mach/map.h>
 #include <mach/gpio.h>
 #include <mach/imx-uart.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/board-mx27ads.h>
 #include <mach/mxc_nand.h>
 #include <mach/i2c.h>
@@ -290,7 +290,7 @@ static void __init mx27ads_board_init(void)
 	mxc_register_device(&mxc_uart_device3, &uart_pdata[3]);
 	mxc_register_device(&mxc_uart_device4, &uart_pdata[4]);
 	mxc_register_device(&mxc_uart_device5, &uart_pdata[5]);
-	mxc_register_device(&mxc_nand_device, &mx27ads_nand_board_info);
+	mxc_register_device(&imx27_nand_device, &mx27ads_nand_board_info);
 
 	/* only the i2c master 1 is used on this CPU card */
 	i2c_register_board_info(1, mx27ads_i2c_devices,
diff --git a/arch/arm/mach-mx2/mach-mxt_td60.c b/arch/arm/mach-mx2/mach-mxt_td60.c
index df954d879cc3..bc3855992677 100644
--- a/arch/arm/mach-mx2/mach-mxt_td60.c
+++ b/arch/arm/mach-mx2/mach-mxt_td60.c
@@ -33,7 +33,7 @@
 #include <asm/mach/map.h>
 #include <linux/gpio.h>
 #include <mach/imx-uart.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/mxc_nand.h>
 #include <mach/i2c.h>
 #include <linux/i2c/pca953x.h>
@@ -257,7 +257,7 @@ static void __init mxt_td60_board_init(void)
 	mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
 	mxc_register_device(&mxc_uart_device1, &uart_pdata[1]);
 	mxc_register_device(&mxc_uart_device2, &uart_pdata[2]);
-	mxc_register_device(&mxc_nand_device, &mxt_td60_nand_board_info);
+	mxc_register_device(&imx27_nand_device, &mxt_td60_nand_board_info);
 
 	i2c_register_board_info(0, mxt_td60_i2c_devices,
 				ARRAY_SIZE(mxt_td60_i2c_devices));
diff --git a/arch/arm/mach-mx2/mach-pca100.c b/arch/arm/mach-mx2/mach-pca100.c
index d12bdb1fcabb..778fff230918 100644
--- a/arch/arm/mach-mx2/mach-pca100.c
+++ b/arch/arm/mach-mx2/mach-pca100.c
@@ -35,7 +35,7 @@
 #include <asm/mach-types.h>
 #include <mach/common.h>
 #include <mach/hardware.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/i2c.h>
 #include <asm/mach/time.h>
 #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
@@ -324,7 +324,7 @@ static void __init pca100_init(void)
 	mxc_gpio_mode(GPIO_PORTC | 29 | GPIO_GPIO | GPIO_IN);
 	mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata);
 
-	mxc_register_device(&mxc_nand_device, &pca100_nand_board_info);
+	mxc_register_device(&imx27_nand_device, &pca100_nand_board_info);
 
 	/* only the i2c master 1 is used on this CPU card */
 	i2c_register_board_info(1, pca100_i2c_devices,
diff --git a/arch/arm/mach-mx2/mach-pcm038.c b/arch/arm/mach-mx2/mach-pcm038.c
index 5a0169cff20f..035fbe046ec0 100644
--- a/arch/arm/mach-mx2/mach-pcm038.c
+++ b/arch/arm/mach-mx2/mach-pcm038.c
@@ -36,7 +36,7 @@
 #include <mach/common.h>
 #include <mach/hardware.h>
 #include <mach/i2c.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/imx-uart.h>
 #include <mach/mxc_nand.h>
 #include <mach/spi.h>
@@ -309,7 +309,7 @@ static void __init pcm038_init(void)
 	mxc_register_device(&mxc_uart_device2, &uart_pdata[2]);
 
 	mxc_gpio_mode(PE16_AF_OWIRE);
-	mxc_register_device(&mxc_nand_device, &pcm038_nand_board_info);
+	mxc_register_device(&imx27_nand_device, &pcm038_nand_board_info);
 
 	/* only the i2c master 1 is used on this CPU card */
 	i2c_register_board_info(1, pcm038_i2c_devices,
diff --git a/arch/arm/mach-mx2/mm-imx21.c b/arch/arm/mach-mx2/mm-imx21.c
new file mode 100644
index 000000000000..64134314d012
--- /dev/null
+++ b/arch/arm/mach-mx2/mm-imx21.c
@@ -0,0 +1,83 @@
+/*
+ * arch/arm/mach-mx2/mm-imx21.c
+ *
+ * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <asm/pgtable.h>
+#include <asm/mach/map.h>
+
+/* MX21 memory map definition */
+static struct map_desc imx21_io_desc[] __initdata = {
+	/*
+	 * this fixed mapping covers:
+	 * - AIPI1
+	 * - AIPI2
+	 * - AITC
+	 * - ROM Patch
+	 * - and some reserved space
+	 */
+	{
+		.virtual = MX21_AIPI_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX21_AIPI_BASE_ADDR),
+		.length = MX21_AIPI_SIZE,
+		.type = MT_DEVICE
+	},
+	/*
+	 * this fixed mapping covers:
+	 * - CSI
+	 * - ATA
+	 */
+	{
+		.virtual = MX21_SAHB1_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX21_SAHB1_BASE_ADDR),
+		.length = MX21_SAHB1_SIZE,
+		.type = MT_DEVICE
+	},
+	/*
+	 * this fixed mapping covers:
+	 * - EMI
+	 */
+	{
+		.virtual = MX21_X_MEMC_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX21_X_MEMC_BASE_ADDR),
+		.length = MX21_X_MEMC_SIZE,
+		.type = MT_DEVICE
+	},
+};
+
+/*
+ * Initialize the memory map. It is called during the
+ * system startup to create static physical to virtual
+ * memory map for the IO modules.
+ */
+void __init mx21_map_io(void)
+{
+	mxc_set_cpu_type(MXC_CPU_MX21);
+	mxc_arch_reset_init(MX21_IO_ADDRESS(MX21_WDOG_BASE_ADDR));
+
+	iotable_init(imx21_io_desc, ARRAY_SIZE(imx21_io_desc));
+}
+
+void __init mx21_init_irq(void)
+{
+	mxc_init_irq(MX21_IO_ADDRESS(MX21_AVIC_BASE_ADDR));
+}
diff --git a/arch/arm/mach-mx2/generic.c b/arch/arm/mach-mx2/mm-imx27.c
index ae8f759134d1..3366ed44cfd5 100644
--- a/arch/arm/mach-mx2/generic.c
+++ b/arch/arm/mach-mx2/mm-imx27.c
@@ -1,5 +1,5 @@
 /*
- * generic.c
+ * arch/arm/mach-mx2/mm-imx27.c
  *
  * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
  *
@@ -26,7 +26,7 @@
 #include <asm/mach/map.h>
 
 /* MX27 memory map definition */
-static struct map_desc mxc_io_desc[] __initdata = {
+static struct map_desc imx27_io_desc[] __initdata = {
 	/*
 	 * this fixed mapping covers:
 	 * - AIPI1
@@ -36,9 +36,9 @@ static struct map_desc mxc_io_desc[] __initdata = {
 	 * - and some reserved space
 	 */
 	{
-		.virtual = AIPI_BASE_ADDR_VIRT,
-		.pfn = __phys_to_pfn(AIPI_BASE_ADDR),
-		.length = AIPI_SIZE,
+		.virtual = MX27_AIPI_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX27_AIPI_BASE_ADDR),
+		.length = MX27_AIPI_SIZE,
 		.type = MT_DEVICE
 	},
 	/*
@@ -47,9 +47,9 @@ static struct map_desc mxc_io_desc[] __initdata = {
 	 * - ATA
 	 */
 	{
-		.virtual = SAHB1_BASE_ADDR_VIRT,
-		.pfn = __phys_to_pfn(SAHB1_BASE_ADDR),
-		.length = SAHB1_SIZE,
+		.virtual = MX27_SAHB1_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX27_SAHB1_BASE_ADDR),
+		.length = MX27_SAHB1_SIZE,
 		.type = MT_DEVICE
 	},
 	/*
@@ -57,11 +57,11 @@ static struct map_desc mxc_io_desc[] __initdata = {
 	 * - EMI
 	 */
 	{
-		.virtual = X_MEMC_BASE_ADDR_VIRT,
-		.pfn = __phys_to_pfn(X_MEMC_BASE_ADDR),
-		.length = X_MEMC_SIZE,
+		.virtual = MX27_X_MEMC_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX27_X_MEMC_BASE_ADDR),
+		.length = MX27_X_MEMC_SIZE,
 		.type = MT_DEVICE
-	}
+	},
 };
 
 /*
@@ -69,29 +69,15 @@ static struct map_desc mxc_io_desc[] __initdata = {
  * system startup to create static physical to virtual
  * memory map for the IO modules.
  */
-void __init mx21_map_io(void)
-{
-	mxc_set_cpu_type(MXC_CPU_MX21);
-	mxc_arch_reset_init(IO_ADDRESS(WDOG_BASE_ADDR));
-
-	iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
-}
-
 void __init mx27_map_io(void)
 {
 	mxc_set_cpu_type(MXC_CPU_MX27);
-	mxc_arch_reset_init(IO_ADDRESS(WDOG_BASE_ADDR));
+	mxc_arch_reset_init(MX27_IO_ADDRESS(MX27_WDOG_BASE_ADDR));
 
-	iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
+	iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc));
 }
 
 void __init mx27_init_irq(void)
 {
-	mxc_init_irq(IO_ADDRESS(AVIC_BASE_ADDR));
+	mxc_init_irq(MX27_IO_ADDRESS(MX27_AVIC_BASE_ADDR));
 }
-
-void __init mx21_init_irq(void)
-{
-	mx27_init_irq();
-}
-
diff --git a/arch/arm/mach-mx2/pcm970-baseboard.c b/arch/arm/mach-mx2/pcm970-baseboard.c
index 60d54465ada1..4aafd5b8b85b 100644
--- a/arch/arm/mach-mx2/pcm970-baseboard.c
+++ b/arch/arm/mach-mx2/pcm970-baseboard.c
@@ -24,7 +24,7 @@
 #include <asm/mach/arch.h>
 
 #include <mach/common.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/imxfb.h>
 #include <mach/hardware.h>
 #include <mach/mmc.h>