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authorVineet Gupta <vgupta@synopsys.com>2013-11-07 14:57:16 +0530
committerVineet Gupta <vgupta@synopsys.com>2015-06-22 14:06:56 +0530
commitaa93e8ef98471277cfedacd68604bb28b5a35aa7 (patch)
tree40b78e1eb7d72320e33638bb6850d90fc57c02c2 /arch/arc/kernel/setup.c
parentb3210d141f5ec32d3b29d0cf4f33d922a739602f (diff)
downloadop-kernel-dev-aa93e8ef98471277cfedacd68604bb28b5a35aa7.zip
op-kernel-dev-aa93e8ef98471277cfedacd68604bb28b5a35aa7.tar.gz
ARCv2: clocksource: Introduce 64bit local RTC counter
Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/kernel/setup.c')
-rw-r--r--arch/arc/kernel/setup.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index ca71cef..a3d1862 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -200,9 +200,11 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len)
(unsigned int)(arc_get_core_freq() / 1000000),
(unsigned int)(arc_get_core_freq() / 10000) % 100);
- n += scnprintf(buf + n, len - n, "Timers\t\t: %s%s\nISA Extn\t: ",
+ n += scnprintf(buf + n, len - n, "Timers\t\t: %s%s%s%s\nISA Extn\t: ",
IS_AVAIL1(cpu->timers.t0, "Timer0 "),
- IS_AVAIL1(cpu->timers.t1, "Timer1 "));
+ IS_AVAIL1(cpu->timers.t1, "Timer1 "),
+ IS_AVAIL2(cpu->timers.rtc, "64-bit RTC ",
+ CONFIG_ARC_HAS_RTC));
n += i = scnprintf(buf + n, len - n, "%s%s%s%s%s",
IS_AVAIL2(atomic, "atomic ", CONFIG_ARC_HAS_LLSC),
@@ -290,6 +292,9 @@ static void arc_chk_core_config(void)
if (!cpu->timers.t1)
panic("Timer1 is not present!\n");
+ if (IS_ENABLED(CONFIG_ARC_HAS_RTC) && !cpu->timers.rtc)
+ panic("RTC is not present\n");
+
#ifdef CONFIG_ARC_HAS_DCCM
/*
* DCCM can be arbit placed in hardware.
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