OMAP2/3: use different addresses for dump capture kernel

PATCH New Mika Westerberg 1 participant 1 message Apr 20, 2010

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Arm (32-bit) Arm sub-architectures OMAP2+ support

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Mika Westerberg

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2010-04-20 11:12 UTC #0 lore raw

PATCH 1/1 OMAP2/3: use different addresses for dump capture kernel

Dump capture kernels must be loaded into different address than the primary kernel hence we load them into physical address 0x84000000.

Signed-off-by Mika Westerberg <[email protected]>

---
 arch/arm/mach-omap2/Makefile.boot        |    7 ++++++-
 arch/arm/plat-omap/include/plat/memory.h |    8 ++++++++
 2 files changed, 14 insertions(+), 1 deletions(-)

arch/arm/mach-omap2/Makefile.boot +6 -1

index 565aff7..b958007 100644
@@ -1,3 +1,8 @@
-  zreladdr-y		:= 0x80008000
+ifeq ($(CONFIG_CRASH_DUMP),y)
+zreladdr-y		:= 0x84008000
+params_phys-y		:= 0x84000100
+else
+zreladdr-y		:= 0x80008000
 params_phys-y		:= 0x80000100
+endif
 initrd_phys-y		:= 0x80800000

arch/arm/plat-omap/include/plat/memory.h +8 -0

index d5306be..561ab32 100644
@@ -39,7 +39,15 @@
 #if defined(CONFIG_ARCH_OMAP1)
 #define PHYS_OFFSET		UL(0x10000000)
 #else
+/*
+ * We want crashdump kernels to be in different physical address than
+ * the primary kernel.
+ */
+#ifdef CONFIG_CRASH_DUMP
+#define PHYS_OFFSET		UL(0x84000000)
+#else
 #define PHYS_OFFSET		UL(0x80000000)
+#endif /* CONFIG_CRASH_DUMP */
 #endif
 
 /*

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