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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2014-07-11 15:00:37 +0400
committerOlof Johansson <olof@lixom.net>2014-07-12 20:51:40 +0400
commitb10f1c836c4e8c2372d14953a17aa5b9744eb55c (patch)
treedcce5fa976ccef53bb62fcdcbe81cc7e07082763 /arch/arm/mach-pxa/pxa25x.c
parent0e32986c0f51d585b4980a0f01c269627f51b78b (diff)
downloadlinux-b10f1c836c4e8c2372d14953a17aa5b9744eb55c.tar.xz
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>
Diffstat (limited to 'arch/arm/mach-pxa/pxa25x.c')
-rw-r--r--arch/arm/mach-pxa/pxa25x.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index 926c506f99bc..66e4a2b6316e 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/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
},
};