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authorLinus Walleij <linus.walleij@stericsson.com>2010-07-12 16:50:59 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-07-18 15:29:47 -0400
commitcb9d7707cd9be57830f31616233f6a872ca8416d (patch)
tree6b380a5fc3c0f8efcc97455ee85a08da1d6ce4f9 /arch/arm/kernel/tcm.c
parentf159f4ed55bb0fa5470800641e03a13a7e0eae6e (diff)
ARM: 6222/1: add memory types for the TCMs
The earlier TCM memory regions were mapped as MT_MEMORY_UNCACHED which doesn't really work on platforms supporting the new v6 features like the NX bit. Add unique MT_MEMORY_[I|D]TCM types instead. Cc: Nicolas Pitre <nico@fluxnic.net> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/tcm.c')
-rw-r--r--arch/arm/kernel/tcm.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/arm/kernel/tcm.c b/arch/arm/kernel/tcm.c
index e50303868f1b..0c62aa2c86ea 100644
--- a/arch/arm/kernel/tcm.c
+++ b/arch/arm/kernel/tcm.c
@@ -13,7 +13,6 @@
13#include <linux/ioport.h> 13#include <linux/ioport.h>
14#include <linux/genalloc.h> 14#include <linux/genalloc.h>
15#include <linux/string.h> /* memcpy */ 15#include <linux/string.h> /* memcpy */
16#include <asm/page.h> /* PAGE_SHIFT */
17#include <asm/cputype.h> 16#include <asm/cputype.h>
18#include <asm/mach/map.h> 17#include <asm/mach/map.h>
19#include <mach/memory.h> 18#include <mach/memory.h>
@@ -53,7 +52,7 @@ static struct map_desc dtcm_iomap[] __initdata = {
53 .virtual = DTCM_OFFSET, 52 .virtual = DTCM_OFFSET,
54 .pfn = __phys_to_pfn(DTCM_OFFSET), 53 .pfn = __phys_to_pfn(DTCM_OFFSET),
55 .length = (DTCM_END - DTCM_OFFSET + 1), 54 .length = (DTCM_END - DTCM_OFFSET + 1),
56 .type = MT_UNCACHED 55 .type = MT_MEMORY_DTCM
57 } 56 }
58}; 57};
59 58
@@ -62,7 +61,7 @@ static struct map_desc itcm_iomap[] __initdata = {
62 .virtual = ITCM_OFFSET, 61 .virtual = ITCM_OFFSET,
63 .pfn = __phys_to_pfn(ITCM_OFFSET), 62 .pfn = __phys_to_pfn(ITCM_OFFSET),
64 .length = (ITCM_END - ITCM_OFFSET + 1), 63 .length = (ITCM_END - ITCM_OFFSET + 1),
65 .type = MT_UNCACHED 64 .type = MT_MEMORY_ITCM
66 } 65 }
67}; 66};
68 67