strip the kernel version suffix from target directories, except for brcm-2.4 (the...

[openwrt.git] / target / linux / brcm63xx-2.6 / files / arch / mips / bcm963xx / time.c

diff --git a/target/linux/brcm63xx-2.6/files/arch/mips/bcm963xx/time.c b/target/linux/brcm63xx-2.6/files/arch/mips/bcm963xx/time.c
deleted file mode 100644 (file)
index 8b82ada..0000000
--- a/target/linux/brcm63xx-2.6/files/arch/mips/bcm963xx/time.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
-<:copyright-gpl
- Copyright 2004 Broadcom Corp. All Rights Reserved.
-
- This program is free software; you can distribute it and/or modify it
- under the terms of the GNU General Public License (Version 2) as
- published by the Free Software Foundation.
-
- This program is distributed in the hope it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- for more details.
-
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
-:>
-*/
-/*
- * Setup time for Broadcom 963xx MIPS boards
- */
-
-#include <linux/autoconf.h>
-#include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/sched.h>
-#include <linux/spinlock.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-#include <linux/time.h>
-#include <linux/timex.h>
-
-#include <asm/mipsregs.h>
-#include <asm/ptrace.h>
-#include <asm/div64.h>
-#include <asm/time.h>
-
-#include <6348_map_part.h>
-#include <6348_intr.h>
-#include <bcm_map_part.h>
-#include <bcm_intr.h>
-
-static unsigned long r4k_offset;       /* Amount to increment compare reg each time */
-static unsigned long r4k_cur;          /* What counter should be at next timer irq */
-
-/*  *********************************************************************
-    *  calculateCpuSpeed()
-    *      Calculate the BCM6348 CPU speed by reading the PLL strap register
-    *      and applying the following formula:
-    *      cpu_clk = (.25 * 64MHz freq) * (N1 + 1) * (N2 + 2) / (M1_CPU + 1)
-    *  Input parameters:
-    *      none
-    *  Return value:
-    *      none
-    ********************************************************************* */
-
-static inline unsigned long __init calculateCpuSpeed(void)
-{
-    u32 pllStrap = PERF->PllStrap;
-    int n1 = (pllStrap & PLL_N1_MASK) >> PLL_N1_SHFT;
-    int n2 = (pllStrap & PLL_N2_MASK) >> PLL_N2_SHFT;
-    int m1cpu = (pllStrap & PLL_M1_CPU_MASK) >> PLL_M1_CPU_SHFT;
-
-       return (16 * (n1 + 1) * (n2 + 2) / (m1cpu + 1)) * 1000000;
-}
-
-
-static inline unsigned long __init cal_r4koff(void)
-{   
-       mips_hpt_frequency = calculateCpuSpeed() / 2;
-       return (mips_hpt_frequency / HZ);
-}
-
-
-/*
- * There are a lot of conceptually broken versions of the MIPS timer interrupt
- * handler floating around.  This one is rather different, but the algorithm
- * is provably more robust.
- */
-irqreturn_t brcm_timer_interrupt(struct pt_regs *regs)
-{
-       int irq = MIPS_TIMER_INT;
-
-       irq_enter();
-       kstat_this_cpu.irqs[irq]++;
-
-       timer_interrupt(irq, regs);
-       irq_exit();
-       return IRQ_HANDLED;
-}
-
-
-void __init brcm_time_init(void)
-{
-       unsigned int est_freq, flags;
-       local_irq_save(flags);
-
-       printk("calculating r4koff... ");
-       r4k_offset = cal_r4koff();
-       printk("%08lx(%d)\n", r4k_offset, (int)r4k_offset);
-
-       est_freq = 2 * r4k_offset * HZ;
-       est_freq += 5000;   /* round */
-       est_freq -= est_freq % 10000;
-       printk("CPU frequency %d.%02d MHz\n", est_freq / 1000000,
-                  (est_freq % 1000000) * 100 / 1000000);
-       local_irq_restore(flags);
-}
-
-
-void __init plat_timer_setup(struct irqaction *irq)
-{
-       r4k_cur = (read_c0_count() + r4k_offset);
-       write_c0_compare(r4k_cur);
-       set_c0_status(IE_IRQ5);
-}