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>
This commit is contained in:
Ganesan Ramalingam
2014-04-29 20:07:51 +05:30
committed by Ralf Baechle
parent 77bef0e4b5
commit c065909e47
4 changed files with 114 additions and 34 deletions

View File

@ -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)