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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>
This commit is contained in:
Laurent Pinchart 2014-07-11 13:00:37 +02:00 committed by Olof Johansson
parent 0e32986c0f
commit b10f1c836c
3 changed files with 10 additions and 5 deletions
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5
arch/arm/mach-pxa/generic.c
View File

@ -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
}
};

5
arch/arm/mach-pxa/pxa25x.c
View File

@ -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
},
};

5
arch/arm/mach-pxa/pxa27x.c
View File

@ -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
},
};