ARM: pxa: Move UNCACHED_PHYS_0 mapping from generic.c to pxa2[57]x.c

The UNCACHED_PHYS_0 mapping is only needed on PXA25x and PXA27x
platforms. Move it to pxa25x.c and pxa27x.c to avoid wasting vmalloc
space on PXA3xx.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/mach-pxa/generic.c

@@ -83,11 +83,6 @@ static struct map_desc common_io_desc[] __initdata = {
 		.pfn		= __phys_to_pfn(PERIPH_PHYS),
 		.length		= PERIPH_SIZE,
 		.type		= MT_DEVICE
-	}, {	/* UNCACHED_PHYS_0 */
-		.virtual	= UNCACHED_PHYS_0,
-		.pfn		= __phys_to_pfn(0x00000000),
-		.length		= UNCACHED_PHYS_0_SIZE,
-		.type		= MT_DEVICE
 	}
 };
 

arch/arm/mach-pxa/pxa25x.c

@@ -333,6 +333,11 @@ static struct map_desc pxa25x_io_desc[] __initdata = {
 		.pfn		= __phys_to_pfn(PXA2XX_SMEMC_BASE),
 		.length		= SMEMC_SIZE,
 		.type		= MT_DEVICE
+	}, {	/* UNCACHED_PHYS_0 */
+		.virtual	= UNCACHED_PHYS_0,
+		.pfn		= __phys_to_pfn(0x00000000),
+		.length		= UNCACHED_PHYS_0_SIZE,
+		.type		= MT_DEVICE
 	},
 };
 

arch/arm/mach-pxa/pxa27x.c

@@ -409,6 +409,11 @@ static struct map_desc pxa27x_io_desc[] __initdata = {
 		.pfn		= __phys_to_pfn(IMEMC_PHYS),
 		.length		= IMEMC_SIZE,
 		.type		= MT_DEVICE
+	}, {	/* UNCACHED_PHYS_0 */
+		.virtual	= UNCACHED_PHYS_0,
+		.pfn		= __phys_to_pfn(0x00000000),
+		.length		= UNCACHED_PHYS_0_SIZE,
+		.type		= MT_DEVICE
 	},
 };