MIPS: PNX8550: Move code one directory level up.
[pandora-kernel.git] / arch / mips / nxp / pnx8550 / common / time.c
diff --git a/arch/mips/nxp/pnx8550/common/time.c b/arch/mips/nxp/pnx8550/common/time.c
deleted file mode 100644 (file)
index 8836c62..0000000
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * Copyright 2001, 2002, 2003 MontaVista Software Inc.
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
- *
- * Common time service routines for MIPS machines. See
- * Documents/MIPS/README.txt.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/param.h>
-#include <linux/time.h>
-#include <linux/timer.h>
-#include <linux/smp.h>
-#include <linux/kernel_stat.h>
-#include <linux/spinlock.h>
-#include <linux/interrupt.h>
-
-#include <asm/bootinfo.h>
-#include <asm/cpu.h>
-#include <asm/time.h>
-#include <asm/hardirq.h>
-#include <asm/div64.h>
-#include <asm/debug.h>
-
-#include <int.h>
-#include <cm.h>
-
-static unsigned long cpj;
-
-static cycle_t hpt_read(struct clocksource *cs)
-{
-       return read_c0_count2();
-}
-
-static struct clocksource pnx_clocksource = {
-       .name           = "pnx8xxx",
-       .rating         = 200,
-       .read           = hpt_read,
-       .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
-static irqreturn_t pnx8xxx_timer_interrupt(int irq, void *dev_id)
-{
-       struct clock_event_device *c = dev_id;
-
-       /* clear MATCH, signal the event */
-       c->event_handler(c);
-
-       return IRQ_HANDLED;
-}
-
-static struct irqaction pnx8xxx_timer_irq = {
-       .handler        = pnx8xxx_timer_interrupt,
-       .flags          = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER,
-       .name           = "pnx8xxx_timer",
-};
-
-static irqreturn_t monotonic_interrupt(int irq, void *dev_id)
-{
-       /* Timer 2 clear interrupt */
-       write_c0_compare2(-1);
-       return IRQ_HANDLED;
-}
-
-static struct irqaction monotonic_irqaction = {
-       .handler = monotonic_interrupt,
-       .flags = IRQF_DISABLED | IRQF_TIMER,
-       .name = "Monotonic timer",
-};
-
-static int pnx8xxx_set_next_event(unsigned long delta,
-                               struct clock_event_device *evt)
-{
-       write_c0_compare(delta);
-       return 0;
-}
-
-static struct clock_event_device pnx8xxx_clockevent = {
-       .name           = "pnx8xxx_clockevent",
-       .features       = CLOCK_EVT_FEAT_ONESHOT,
-       .set_next_event = pnx8xxx_set_next_event,
-};
-
-static inline void timer_ack(void)
-{
-       write_c0_compare(cpj);
-}
-
-__init void plat_time_init(void)
-{
-       unsigned int configPR;
-       unsigned int n;
-       unsigned int m;
-       unsigned int p;
-       unsigned int pow2p;
-
-       pnx8xxx_clockevent.cpumask = cpu_none_mask;
-       clockevents_register_device(&pnx8xxx_clockevent);
-       clocksource_register(&pnx_clocksource);
-
-       /* Timer 1 start */
-       configPR = read_c0_config7();
-       configPR &= ~0x00000008;
-       write_c0_config7(configPR);
-
-       /* Timer 2 start */
-       configPR = read_c0_config7();
-       configPR &= ~0x00000010;
-       write_c0_config7(configPR);
-
-       /* Timer 3 stop */
-       configPR = read_c0_config7();
-       configPR |= 0x00000020;
-       write_c0_config7(configPR);
-
-
-        /* PLL0 sets MIPS clock (PLL1 <=> TM1, PLL6 <=> TM2, PLL5 <=> mem) */
-        /* (but only if CLK_MIPS_CTL select value [bits 3:1] is 1:  FIXME) */
-
-        n = (PNX8550_CM_PLL0_CTL & PNX8550_CM_PLL_N_MASK) >> 16;
-        m = (PNX8550_CM_PLL0_CTL & PNX8550_CM_PLL_M_MASK) >> 8;
-        p = (PNX8550_CM_PLL0_CTL & PNX8550_CM_PLL_P_MASK) >> 2;
-       pow2p = (1 << p);
-
-       db_assert(m != 0 && pow2p != 0);
-
-        /*
-        * Compute the frequency as in the PNX8550 User Manual 1.0, p.186
-        * (a.k.a. 8-10).  Divide by HZ for a timer offset that results in
-        * HZ timer interrupts per second.
-        */
-       mips_hpt_frequency = 27UL * ((1000000UL * n)/(m * pow2p));
-       cpj = DIV_ROUND_CLOSEST(mips_hpt_frequency, HZ);
-       write_c0_count(0);
-       timer_ack();
-
-       /* Setup Timer 2 */
-       write_c0_count2(0);
-       write_c0_compare2(0xffffffff);
-
-       setup_irq(PNX8550_INT_TIMER1, &pnx8xxx_timer_irq);
-       setup_irq(PNX8550_INT_TIMER2, &monotonic_irqaction);
-}