diff options
| -rw-r--r-- | src/cpu/x86/tsc/delay_tsc.c | 4 | ||||
| -rw-r--r-- | src/mainboard/eaglelion/5bcm/Options.lb | 7 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/cpu/x86/tsc/delay_tsc.c b/src/cpu/x86/tsc/delay_tsc.c index c7c431baac..31c5bf80eb 100644 --- a/src/cpu/x86/tsc/delay_tsc.c +++ b/src/cpu/x86/tsc/delay_tsc.c @@ -159,7 +159,11 @@ void udelay(unsigned us) count = rdtscll(); stop = clocks + count; while(stop > count) { +#ifdef CONFIG_SMP +#if CONFIG_SMP == 1 cpu_relax(); +#endif +#endif count = rdtscll(); } } diff --git a/src/mainboard/eaglelion/5bcm/Options.lb b/src/mainboard/eaglelion/5bcm/Options.lb index 1c87e9f244..df3d1bdfb6 100644 --- a/src/mainboard/eaglelion/5bcm/Options.lb +++ b/src/mainboard/eaglelion/5bcm/Options.lb @@ -37,6 +37,8 @@ uses CONFIG_CONSOLE_SERIAL8250 uses TTYS0_BAUD uses TTYS0_BASE uses TTYS0_LCS +uses CONFIG_UDELAY_TSC +uses CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2 ## ROM_SIZE is the size of boot ROM that this board will use. default ROM_SIZE = 256*1024 @@ -60,6 +62,11 @@ default HAVE_MP_TABLE=0 ## default HAVE_HARD_RESET=0 +## Delay timer options +## +default CONFIG_UDELAY_TSC=1 +default CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2=1 + ## ## Build code to export a programmable irq routing table ## |