diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2005-11-07 14:27:33 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-11-08 11:17:34 +1100 |
| commit | 4350147a816b9c5b40fa59e4fa23f17490630b79 (patch) | |
| tree | c333986047de60aa90809d669895726610c0c3e5 /include/asm-powerpc/reg.h | |
| parent | a82765b6eee3d1267ded3320ca67b39fe1844599 (diff) | |
| download | linux-4350147a816b9c5b40fa59e4fa23f17490630b79.tar.gz linux-4350147a816b9c5b40fa59e4fa23f17490630b79.tar.bz2 linux-4350147a816b9c5b40fa59e4fa23f17490630b79.zip | |
[PATCH] ppc64: SMU based macs cpufreq support
CPU freq support using 970FX powertune facility for iMac G5 and SMU
based single CPU desktop.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc/reg.h')
| -rw-r--r-- | include/asm-powerpc/reg.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h index da848412f11b..489cf4c99c21 100644 --- a/include/asm-powerpc/reg.h +++ b/include/asm-powerpc/reg.h @@ -396,6 +396,9 @@ #define SPRN_VRSAVE 0x100 /* Vector Register Save Register */ #define SPRN_XER 0x001 /* Fixed Point Exception Register */ +#define SPRN_SCOMC 0x114 /* SCOM Access Control */ +#define SPRN_SCOMD 0x115 /* SCOM Access DATA */ + /* Performance monitor SPRs */ #ifdef CONFIG_PPC64 #define SPRN_MMCR0 795 @@ -594,7 +597,11 @@ static inline void ppc64_runlatch_off(void) mtspr(SPRN_CTRLT, ctrl); } } -#endif + +extern unsigned long scom970_read(unsigned int address); +extern void scom970_write(unsigned int address, unsigned long value); + +#endif /* CONFIG_PPC64 */ #define __get_SP() ({unsigned long sp; \ asm volatile("mr %0,1": "=r" (sp)); sp;}) |