Commit 59dbb3b1 authored by Greg Ungerer's avatar Greg Ungerer
Browse files

m68k: add machine and CPU definitions for ColdFire cores 



Create machine and CPU definitions to support the ColdFire CPU family
members that have a virtual memory management unit.

The ColdFire V4e core contains an MMU, and it is quite different to
any other 68k family members.

Signed-off-by: default avatarGreg Ungerer <gerg@uclinux.org>
Acked-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Acked-by: default avatarMatt Waddel <mwaddel@yahoo.com>
Acked-by: default avatarKurt Mahan <kmahan@xmission.com>
parent 2c85bd31

arch/m68k/include/asm/setup.h

+14 −0
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ 
#define MACH_HP300    9

#define MACH_Q40     10

#define MACH_SUN3X   11

#define MACH_M54XX   12



#define COMMAND_LINE_SIZE 256
@@ -211,23 +212,27 @@ extern unsigned long m68k_machtype; 
#define CPUB_68030     1

#define CPUB_68040     2

#define CPUB_68060     3

#define CPUB_COLDFIRE  4



#define CPU_68020      (1<<CPUB_68020)

#define CPU_68030      (1<<CPUB_68030)

#define CPU_68040      (1<<CPUB_68040)

#define CPU_68060      (1<<CPUB_68060)

#define CPU_COLDFIRE   (1<<CPUB_COLDFIRE)



#define FPUB_68881     0

#define FPUB_68882     1

#define FPUB_68040     2                       /* Internal FPU */

#define FPUB_68060     3                       /* Internal FPU */

#define FPUB_SUNFPA    4                       /* Sun-3 FPA */

#define FPUB_COLDFIRE  5                       /* ColdFire FPU */



#define FPU_68881      (1<<FPUB_68881)

#define FPU_68882      (1<<FPUB_68882)

#define FPU_68040      (1<<FPUB_68040)

#define FPU_68060      (1<<FPUB_68060)

#define FPU_SUNFPA     (1<<FPUB_SUNFPA)

#define FPU_COLDFIRE   (1<<FPUB_COLDFIRE)



#define MMUB_68851     0

#define MMUB_68030     1                       /* Internal MMU */
@@ -235,6 +240,7 @@ extern unsigned long m68k_machtype; 
#define MMUB_68060     3                       /* Internal MMU */

#define MMUB_APOLLO    4                       /* Custom Apollo */

#define MMUB_SUN3      5                       /* Custom Sun-3 */

#define MMUB_COLDFIRE  6                       /* Internal MMU */



#define MMU_68851      (1<<MMUB_68851)

#define MMU_68030      (1<<MMUB_68030)
@@ -242,6 +248,7 @@ extern unsigned long m68k_machtype; 
#define MMU_68060      (1<<MMUB_68060)

#define MMU_SUN3       (1<<MMUB_SUN3)

#define MMU_APOLLO     (1<<MMUB_APOLLO)

#define MMU_COLDFIRE   (1<<MMUB_COLDFIRE)



#ifdef __KERNEL__
@@ -341,6 +348,13 @@ extern int m68k_is040or060; 
#  endif

#endif



#if !defined(CONFIG_COLDFIRE)

#  define CPU_IS_COLDFIRE (0)

#else

#  define CPU_IS_COLDFIRE (1)

#  define MMU_IS_COLDFIRE (1)

#endif



#define CPU_TYPE (m68k_cputype)



#ifdef CONFIG_M68KFPU_EMU

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