From 2c9b82adb5ea65745d5d73d97bb0e1cc16cba4a0 Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Fri, 14 Oct 2011 14:36:41 +1000 Subject: m68k: add TASK definitions for ColdFires running with MMU Add appropriate TASK_SIZE and TASK_UNMAPPED_BASE definitions for running on ColdFire V4e cores with MMU enabled. Signed-off-by: Greg Ungerer Acked-by: Geert Uytterhoeven Acked-by: Matt Waddel Acked-by: Kurt Mahan --- arch/m68k/include/asm/processor.h | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) (limited to 'arch/m68k/include/asm') diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h index 7ec06096a6fb..46460fa15d5c 100644 --- a/arch/m68k/include/asm/processor.h +++ b/arch/m68k/include/asm/processor.h @@ -48,10 +48,12 @@ static inline void wrusp(unsigned long usp) * so don't change it unless you know what you are doing. */ #ifdef CONFIG_MMU -#ifndef CONFIG_SUN3 -#define TASK_SIZE (0xF0000000UL) -#else +#if defined(CONFIG_COLDFIRE) +#define TASK_SIZE (0xC0000000UL) +#elif defined(CONFIG_SUN3) #define TASK_SIZE (0x0E000000UL) +#else +#define TASK_SIZE (0xF0000000UL) #endif #else #define TASK_SIZE (0xFFFFFFFFUL) @@ -66,10 +68,12 @@ static inline void wrusp(unsigned long usp) * space during mmap's. */ #ifdef CONFIG_MMU -#ifndef CONFIG_SUN3 -#define TASK_UNMAPPED_BASE 0xC0000000UL -#else +#if defined(CONFIG_COLDFIRE) +#define TASK_UNMAPPED_BASE 0x60000000UL +#elif defined(CONFIG_SUN3) #define TASK_UNMAPPED_BASE 0x0A000000UL +#else +#define TASK_UNMAPPED_BASE 0xC0000000UL #endif #define TASK_UNMAPPED_ALIGN(addr, off) PAGE_ALIGN(addr) #else -- cgit v1.2.3