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| author |   Graf Yang <graf.yang@analog.com> | 2009-05-15 11:01:59 +0000 |
|---|---|---|
| committer |   Mike Frysinger <vapier@gentoo.org> | 2009-06-12 06:11:37 -0400 |
| commit | 1fa9be72b558c39459f98835eb86dbb4ef4da30b (patch) | |
| tree | f0b71c7b7a3639285c64e3f3cbc449c3ff9eee3b /arch/blackfin/mach-common/smp.c | |
| parent | Blackfin: annotate anomaly 05000120 (diff) | |
| download | linux-dev-1fa9be72b558c39459f98835eb86dbb4ef4da30b.tar.xz linux-dev-1fa9be72b558c39459f98835eb86dbb4ef4da30b.zip | |
Blackfin: add support for gptimer0 as a tick source
For systems where the core cycles are not a usable tick source (like SMP
or cycles gets updated), enable gptimer0 as an alternative.
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/mach-common/smp.c')
| -rw-r--r-- | arch/blackfin/mach-common/smp.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c index 187c79e585a1..b6695957b065 100644 --- a/arch/blackfin/mach-common/smp.c +++ b/arch/blackfin/mach-common/smp.c @@ -43,6 +43,7 @@ #include <asm/processor.h> #include <asm/ptrace.h> #include <asm/cpu.h> +#include <asm/time.h> #include <linux/err.h> /* @@ -356,7 +357,7 @@ int __cpuinit __cpu_up(unsigned int cpu) static void __cpuinit setup_secondary(unsigned int cpu) { -#if !(defined(CONFIG_TICK_SOURCE_SYSTMR0) || defined(CONFIG_IPIPE)) +#if !defined(CONFIG_TICKSOURCE_GPTMR0) struct irq_desc *timer_desc; #endif unsigned long ilat; @@ -377,7 +378,7 @@ static void __cpuinit setup_secondary(unsigned int cpu) IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 | IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW; -#if defined(CONFIG_TICK_SOURCE_SYSTMR0) || defined(CONFIG_IPIPE) +#if defined(CONFIG_TICKSOURCE_GPTMR0) /* Power down the core timer, just to play safe. */ bfin_write_TCNTL(0); |