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MIPS: Netlogic: XLP2XX CPU and PIC frequency

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Add code to calculate the CPU and PIC frequency for XLP2XX SoCs.

Since the PIC frequency on XLP2XX can be configured, add a new macro
pic_timer_freq() to be used in netlogic/common/time.c.

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Cc: Ganesan Ramalingam <ganesanr@broadcom.com>
Patchwork: http://patchwork.linux-mips.org/patch/5701/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ganesan Ramalingam
2013-08-11 14:43:56 +05:30
committed by Ralf Baechle
parent 5b6ff35d33
commit 57ceb4b020
5 changed files with 152 additions and 10 deletions
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3
arch/mips/netlogic/common/time.c
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@@ -45,6 +45,7 @@
#if defined(CONFIG_CPU_XLP)
#include <asm/netlogic/xlp-hal/iomap.h>
#include <asm/netlogic/xlp-hal/xlp.h>
#include <asm/netlogic/xlp-hal/sys.h>
#include <asm/netlogic/xlp-hal/pic.h>
#elif defined(CONFIG_CPU_XLR)
#include <asm/netlogic/xlr/iomap.h>
@@ -91,7 +92,7 @@ static void nlm_init_pic_timer(void)
csrc_pic.read = nlm_get_pic_timer;
}
csrc_pic.rating = 1000;
clocksource_register_hz(&csrc_pic, PIC_CLK_HZ);
clocksource_register_hz(&csrc_pic, pic_timer_freq());
}
void __init plat_time_init(void)