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[POWERPC] pasemi: SMP timebase sync

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Timebase update is simple on PA6T, since global updates can be done from
one core by writing to an SPR.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Olof Johansson
2007-02-04 16:36:53 -06:00
committed by Paul Mackerras
parent f620be99e9
commit c388cfebbf
2 changed files with 31 additions and 2 deletions
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6
include/asm-powerpc/reg.h
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@@ -392,6 +392,12 @@
#define SPRN_HSRR0 0x13A /* Save/Restore Register 0 */
#define SPRN_HSRR1 0x13B /* Save/Restore Register 1 */
#define SPRN_TBCTL 0x35f /* PA6T Timebase control register */
#define TBCTL_FREEZE 0x0000000000000000ull /* Freeze all tbs */
#define TBCTL_RESTART 0x0000000100000000ull /* Restart all tbs */
#define TBCTL_UPDATE_UPPER 0x0000000200000000ull /* Set upper 32 bits */
#define TBCTL_UPDATE_LOWER 0x0000000300000000ull /* Set lower 32 bits */
#ifndef SPRN_SVR
#define SPRN_SVR 0x11E /* System Version Register */
#endif