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| author | Patrick Georgi <patrick.georgi@coresystems.de> | 2010-09-08 10:58:02 +0000 |
|---|---|---|
| committer | Patrick Georgi <patrick.georgi@coresystems.de> | 2010-09-08 10:58:02 +0000 |
| commit | a4c0a1d6e6669736e101ada54b81d529f7c84cde (patch) | |
| tree | 14fadad764d9d21dc9aa7b65ce270d8705e5121f /src | |
| parent | 24f83a76ae2608f7df0a11d80537fdc907f1e88c (diff) | |
| download | coreboot-a4c0a1d6e6669736e101ada54b81d529f7c84cde.tar.xz | |
Make timer2 the default choice for TSC initialization.
For boards where timer2 is unusable, there's still the IO based
initialization available using the Kconfig option TSC_CALIBRATE_WITH_IO
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Kevin O'Connor <kevin@koconnor.net>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5787 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
| -rw-r--r-- | src/cpu/x86/Kconfig | 2 | ||||
| -rw-r--r-- | src/cpu/x86/tsc/delay_tsc.c | 4 | ||||
| -rw-r--r-- | src/southbridge/amd/cs5536/Kconfig | 9 |
3 files changed, 4 insertions, 11 deletions
diff --git a/src/cpu/x86/Kconfig b/src/cpu/x86/Kconfig index 325991e28e..3658ee7edc 100644 --- a/src/cpu/x86/Kconfig +++ b/src/cpu/x86/Kconfig @@ -19,7 +19,7 @@ config UDELAY_TSC bool default n -config TSC_X86RDTSC_CALIBRATE_WITH_TIMER2 +config TSC_CALIBRATE_WITH_IO bool default n diff --git a/src/cpu/x86/tsc/delay_tsc.c b/src/cpu/x86/tsc/delay_tsc.c index 1127867638..a77a61c774 100644 --- a/src/cpu/x86/tsc/delay_tsc.c +++ b/src/cpu/x86/tsc/delay_tsc.c @@ -7,7 +7,7 @@ static unsigned long clocks_per_usec; -#if (CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2 == 1) +#if !CONFIG_TSC_CALIBRATE_WITH_IO #define CLOCK_TICK_RATE 1193180U /* Underlying HZ */ /* ------ Calibrate the TSC ------- @@ -82,7 +82,7 @@ bad_ctc: return 0; } -#else /* CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2 */ +#else /* CONFIG_TSC_CALIBRATE_WITH_IO */ /* * this is the "no timer2" version. diff --git a/src/southbridge/amd/cs5536/Kconfig b/src/southbridge/amd/cs5536/Kconfig index e7caf5e27a..18e3a2c853 100644 --- a/src/southbridge/amd/cs5536/Kconfig +++ b/src/southbridge/amd/cs5536/Kconfig @@ -19,12 +19,5 @@ config SOUTHBRIDGE_AMD_CS5536 bool - select TSC_X86RDTSC_CALIBRATE_WITH_TIMER2 - -config UDELAY_TSC - bool - default y - depends on SOUTHBRIDGE_AMD_CS5536 - - + select UDELAY_TSC |