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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2016-06-25 08:47:35 +1000 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2016-07-06 19:30:48 +1000 |
| commit | 7e4d14b364956b6756b62fc5e6ae4b1487e1bc3c (patch) | |
| tree | 822c2d8da19528bbb0ded69234cce0e4655b84dd /include | |
| parent | fb43f202ddd86131acf14542c34fbcb9adab45f2 (diff) | |
| download | skiboot-7e4d14b364956b6756b62fc5e6ae4b1487e1bc3c.zip skiboot-7e4d14b364956b6756b62fc5e6ae4b1487e1bc3c.tar.gz skiboot-7e4d14b364956b6756b62fc5e6ae4b1487e1bc3c.tar.bz2 | |
Timebase quirk for slow simulators like AWAN and SIMICS
This will internally pretend the timebase is running 1000 times
slower, which reduces some otherwise really terrible delays in
some simulators.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Michael Neuling <mikey@neuling.org>
[stewart@linux.vnet.ibm.com: move cfam_chipid cleanup into own patch]
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/chip.h | 1 | ||||
| -rw-r--r-- | include/timebase.h | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/include/chip.h b/include/chip.h index 0038814..4541368 100644 --- a/include/chip.h +++ b/include/chip.h @@ -127,6 +127,7 @@ enum proc_chip_quirks { QUIRK_NO_PBA = 0x00000008, QUIRK_NO_OCC_IRQ = 0x00000010, QUIRK_SIMICS = 0x00000020, + QUIRK_SLOW_SIM = 0x00000040, } proc_chip_quirks; static inline bool chip_quirk(unsigned int q) diff --git a/include/timebase.h b/include/timebase.h index 7f5afe1..7fc4748 100644 --- a/include/timebase.h +++ b/include/timebase.h @@ -52,7 +52,7 @@ static inline enum tb_cmpval tb_compare(unsigned long a, } /* Architected timebase */ -static const unsigned long tb_hz = 512000000; +extern unsigned long tb_hz; static inline unsigned long secs_to_tb(unsigned long secs) { |