diff options
author | Graf Yang <graf.yang@analog.com> | 2009-05-15 07:01:59 -0400 |
---|---|---|
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 | 555487bbb63f527e63fecbff48c86e2c07ce5024 (diff) |
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 @@ | |||
43 | #include <asm/processor.h> | 43 | #include <asm/processor.h> |
44 | #include <asm/ptrace.h> | 44 | #include <asm/ptrace.h> |
45 | #include <asm/cpu.h> | 45 | #include <asm/cpu.h> |
46 | #include <asm/time.h> | ||
46 | #include <linux/err.h> | 47 | #include <linux/err.h> |
47 | 48 | ||
48 | /* | 49 | /* |
@@ -356,7 +357,7 @@ int __cpuinit __cpu_up(unsigned int cpu) | |||
356 | 357 | ||
357 | static void __cpuinit setup_secondary(unsigned int cpu) | 358 | static void __cpuinit setup_secondary(unsigned int cpu) |
358 | { | 359 | { |
359 | #if !(defined(CONFIG_TICK_SOURCE_SYSTMR0) || defined(CONFIG_IPIPE)) | 360 | #if !defined(CONFIG_TICKSOURCE_GPTMR0) |
360 | struct irq_desc *timer_desc; | 361 | struct irq_desc *timer_desc; |
361 | #endif | 362 | #endif |
362 | unsigned long ilat; | 363 | unsigned long ilat; |
@@ -377,7 +378,7 @@ static void __cpuinit setup_secondary(unsigned int cpu) | |||
377 | IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 | | 378 | IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 | |
378 | IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW; | 379 | IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW; |
379 | 380 | ||
380 | #if defined(CONFIG_TICK_SOURCE_SYSTMR0) || defined(CONFIG_IPIPE) | 381 | #if defined(CONFIG_TICKSOURCE_GPTMR0) |
381 | /* Power down the core timer, just to play safe. */ | 382 | /* Power down the core timer, just to play safe. */ |
382 | bfin_write_TCNTL(0); | 383 | bfin_write_TCNTL(0); |
383 | 384 | ||