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authorPaul Mackerras <paulus@samba.org>2007-02-08 15:03:11 +1100
committerPaul Mackerras <paulus@samba.org>2007-02-08 15:03:11 +1100
commitd5112a4f31a361409d3c57dc9d58dd69f8014bef (patch)
tree64771300b2191cb94d9aaf60355661a01c2ccd1a /arch/arm/kernel/head.S
parent12e86f92fcfe4f0bcab0ad7fa4088a64c60d9b38 (diff)
parent5fad293bcbd48d9a2370020cf60e4b4a42559b12 (diff)
downloadop-kernel-dev-d5112a4f31a361409d3c57dc9d58dd69f8014bef.zip
op-kernel-dev-d5112a4f31a361409d3c57dc9d58dd69f8014bef.tar.gz
Merge branch 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into for-2.6.21
Diffstat (limited to 'arch/arm/kernel/head.S')
-rw-r--r--arch/arm/kernel/head.S7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index d994561..cf495a30 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -22,6 +22,10 @@
#include <asm/thread_info.h>
#include <asm/system.h>
+#if (PHYS_OFFSET & 0x001fffff)
+#error "PHYS_OFFSET must be at an even 2MiB boundary!"
+#endif
+
#define KERNEL_RAM_VADDR (PAGE_OFFSET + TEXT_OFFSET)
#define KERNEL_RAM_PADDR (PHYS_OFFSET + TEXT_OFFSET)
@@ -251,7 +255,8 @@ __create_page_tables:
* Then map first 1MB of ram in case it contains our boot params.
*/
add r0, r4, #PAGE_OFFSET >> 18
- orr r6, r7, #PHYS_OFFSET
+ orr r6, r7, #(PHYS_OFFSET & 0xff000000)
+ orr r6, r6, #(PHYS_OFFSET & 0x00e00000)
str r6, [r0]
#ifdef CONFIG_XIP_KERNEL
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