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>
diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index 187c79e..b669595 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 @@
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 @@
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);