korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-16 16:54:20 +08:00
Code Issues Packages Projects Releases Wiki Activity

m68k: add machine and CPU definitions for ColdFire cores

Browse Source 
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: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Matt Waddel <mwaddel@yahoo.com>
Acked-by: Kurt Mahan <kmahan@xmission.com>
This commit is contained in:
Greg Ungerer 2011-10-14 11:32:41 +10:00
parent 2c85bd3189
commit 59dbb3b168
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
arch/m68k/include/asm/setup.h
View File

@ -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