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authorDavid S. Miller <davem@davemloft.net>2010-06-26 10:27:00 -0700
committerDavid S. Miller <davem@davemloft.net>2010-06-26 10:27:00 -0700
commitc67dda14389205f0a223c5089307495290939b3b (patch)
treefad0bb26b28703d02a22ebdd44d94eabac4a2ade /arch/powerpc/include/asm/kexec.h
parent43bc2db47292a824152145253b1dd2847e7312a3 (diff)
parent7e27d6e778cd87b6f2415515d7127eba53fe5d02 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'arch/powerpc/include/asm/kexec.h')
-rw-r--r--arch/powerpc/include/asm/kexec.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h
index a6ca6da1430b..2a9cd74a841e 100644
--- a/arch/powerpc/include/asm/kexec.h
+++ b/arch/powerpc/include/asm/kexec.h
@@ -2,6 +2,18 @@
#define _ASM_POWERPC_KEXEC_H
#ifdef __KERNEL__
+#ifdef CONFIG_FSL_BOOKE
+
+/*
+ * On FSL-BookE we setup a 1:1 mapping which covers the first 2GiB of memory
+ * and therefore we can only deal with memory within this range
+ */
+#define KEXEC_SOURCE_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL)
+#define KEXEC_DESTINATION_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL)
+#define KEXEC_CONTROL_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL)
+
+#else
+
/*
* Maximum page that is mapped directly into kernel memory.
* XXX: Since we copy virt we can use any page we allocate
@@ -21,6 +33,7 @@
/* TASK_SIZE, probably left over from use_mm ?? */
#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
#endif
+#endif
#define KEXEC_CONTROL_PAGE_SIZE 4096