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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-06-26 16:50:48 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-06-26 16:50:48 -0700 |
| commit | 6cd236e0057704d1f5c77908374079e021c83928 (patch) | |
| tree | 302e002d62dcd4663aef7e9a98ca4b019e3e5c98 /arch/mips/kernel/cpu-probe.c | |
| parent | 2c9dbda360d96819456f845ea92e20e4e9d0ed36 (diff) | |
| parent | 8e15a0e35fdaf19e1aeb7923571e928bd6123cfd (diff) | |
| download | op-kernel-dev-6cd236e0057704d1f5c77908374079e021c83928.zip op-kernel-dev-6cd236e0057704d1f5c77908374079e021c83928.tar.gz | |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Count timer interrupts correctly.
[MIPS] SMTC and non-SMTC kernel and modules are incompatible
[MIPS] EMMA2RH: Disable GEN_RTC, it can't possibly work.
[MIPS] Remove a duplicated local variable in test_and_clear_bit()
[MIPS] use compat_siginfo in rt_sigframe_n32
[MIPS] 20K: Handle WAIT related bugs according to errata information
[MIPS] AP/SP requires shadow registers, auto enable support.
[MIPS] Fix pb1500 reg B access
[MIPS] Alchemy: Fix wrong cast
[MIPS] remove "support for" from system type entry
[MIPS] add io_map_base to pci_controller on Cobalt
[MIPS] __ucmpdi2 arguments are unsigned long long.
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index ab755ea..0fc90ba 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -137,7 +137,6 @@ static inline void check_wait(void) case CPU_4KEC: case CPU_4KSC: case CPU_5KC: -/* case CPU_20KC:*/ case CPU_24K: case CPU_25KF: case CPU_34K: @@ -156,6 +155,17 @@ static inline void check_wait(void) if (allow_au1k_wait) cpu_wait = au1k_wait; break; + case CPU_20KC: + /* + * WAIT on Rev1.0 has E1, E2, E3 and E16. + * WAIT on Rev2.0 and Rev3.0 has E16. + * Rev3.1 WAIT is nop, why bother + */ + if ((c->processor_id & 0xff) <= 0x64) + break; + + cpu_wait = r4k_wait; + break; case CPU_RM9000: if ((c->processor_id & 0x00ff) >= 0x40) cpu_wait = r4k_wait; |
