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authorGanesan Ramalingam <ganesanr@broadcom.com>2014-04-29 18:37:51 +0400
committerRalf Baechle <ralf@linux-mips.org>2014-05-30 18:49:41 +0400
commitc065909e47aea3575e51304e7411b46df22b20ca (patch)
tree37329d173c186f0b14d27f3f311692c92af6a929 /arch/mips/netlogic/common/time.c
parent77bef0e4b532341d2d21e4ef28111de7c239432e (diff)
downloadlinux-c065909e47aea3575e51304e7411b46df22b20ca.tar.xz
MIPS: Netlogic: PIC freq calculation for XLP 9XX/2XX
Update PIC frequency calculation for XLP9XX and 2XX processors using the correct PLL registers. This should work for all possible board configurations. Signed-off-by: Ganesan Ramalingam <ganesanr@broadcom.com> Signed-off-by: Jayachandran C <jchandra@broadcom.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6876/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/netlogic/common/time.c')
-rw-r--r--arch/mips/netlogic/common/time.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/mips/netlogic/common/time.c b/arch/mips/netlogic/common/time.c
index 13391b8a6031..0c0a1a606f73 100644
--- a/arch/mips/netlogic/common/time.c
+++ b/arch/mips/netlogic/common/time.c
@@ -82,6 +82,7 @@ static struct clocksource csrc_pic = {
static void nlm_init_pic_timer(void)
{
uint64_t picbase = nlm_get_node(0)->picbase;
+ u32 picfreq;
nlm_pic_set_timer(picbase, PIC_CLOCK_TIMER, ~0ULL, 0, 0);
if (current_cpu_data.cputype == CPU_XLR) {
@@ -92,7 +93,9 @@ static void nlm_init_pic_timer(void)
csrc_pic.read = nlm_get_pic_timer;
}
csrc_pic.rating = 1000;
- clocksource_register_hz(&csrc_pic, pic_timer_freq());
+ picfreq = pic_timer_freq();
+ clocksource_register_hz(&csrc_pic, picfreq);
+ pr_info("PIC clock source added, frequency %d\n", picfreq);
}
void __init plat_time_init(void)