commit e5083a63b6a8546c5fe1e571fe529e3939787ec2
author Johannes Weiner <jw@emlix.com> Wed Mar 04 16:21:31 2009 +0100
committer Chris Zankel <chris@zankel.net> Thu Apr 02 23:41:50 2009 -0700
tree 5c11db5b0a924f8bcfc404c202630d37ccfd7c3c
parent 7789f89af9e8e426d7a7f173cf465a4fcadba7dd

xtensa: nommu support

Add support for !CONFIG_MMU setups.

Signed-off-by: Johannes Weiner <jw@emlix.com>
Signed-off-by: Chris Zankel <chris@zankel.net>

arch/xtensa/include/asm/processor.h

diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h
index fba8b7e..0ea4937 100644
--- a/arch/xtensa/include/asm/processor.h
+++ b/arch/xtensa/include/asm/processor.h
@@ -13,6 +13,7 @@
 
 #include <variant/core.h>
 #include <asm/coprocessor.h>
+#include <platform/hardware.h>
 
 #include <linux/compiler.h>
 #include <asm/ptrace.h>
@@ -35,7 +36,12 @@
  * the 1 GB requirement applies to the stack as well.
  */
 
+#ifdef CONFIG_MMU
 #define TASK_SIZE	__XTENSA_UL_CONST(0x40000000)
+#else
+#define TASK_SIZE	(PLATFORM_DEFAULT_MEM_START + PLATFORM_DEFAULT_MEM_SIZE)
+#endif
+
 #define STACK_TOP	TASK_SIZE
 #define STACK_TOP_MAX	STACK_TOP