From e5083a63b6a8546c5fe1e571fe529e3939787ec2 Mon Sep 17 00:00:00 2001
From: Johannes Weiner <jw@emlix.com>
Date: Wed, 4 Mar 2009 16:21:31 +0100
Subject: 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 | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'arch/xtensa/include/asm/processor.h')

diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h
index fba8b7e44a2..0ea4937c0b6 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
 
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