summaryrefslogtreecommitdiff
path: root/lib_ppc/interrupts.c
diff options
context:
space:
mode:
authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:04 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:03 +0200
commitea0364f1bbfed1e3ea711147420875cf338fe77a (patch)
tree15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /lib_ppc/interrupts.c
parent89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff)
downloadu-boot-imx-ea0364f1bbfed1e3ea711147420875cf338fe77a.zip
u-boot-imx-ea0364f1bbfed1e3ea711147420875cf338fe77a.tar.gz
u-boot-imx-ea0364f1bbfed1e3ea711147420875cf338fe77a.tar.bz2
Move lib_$ARCH directories to arch/$ARCH/lib
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk This change is intended to clean up the top-level directory structure and more closely mimic Linux's directory organization. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'lib_ppc/interrupts.c')
-rw-r--r--lib_ppc/interrupts.c153
1 files changed, 0 insertions, 153 deletions
diff --git a/lib_ppc/interrupts.c b/lib_ppc/interrupts.c
deleted file mode 100644
index f603170..0000000
--- a/lib_ppc/interrupts.c
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * (C) Copyright 2000-2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2003
- * Gleb Natapov <gnatapov@mrv.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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.
- *
- * This program is distributed in the hope that 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
- */
-
-#include <common.h>
-#include <asm/processor.h>
-#include <watchdog.h>
-#ifdef CONFIG_STATUS_LED
-#include <status_led.h>
-#endif
-
-#ifdef CONFIG_SHOW_ACTIVITY
-void board_show_activity (ulong) __attribute__((weak, alias("__board_show_activity")));
-
-void __board_show_activity (ulong dummy)
-{
- return;
-}
-#endif /* CONFIG_SHOW_ACTIVITY */
-
-#ifndef CONFIG_SYS_WATCHDOG_FREQ
-#define CONFIG_SYS_WATCHDOG_FREQ (CONFIG_SYS_HZ / 2)
-#endif
-
-extern int interrupt_init_cpu (unsigned *);
-extern void timer_interrupt_cpu (struct pt_regs *);
-
-static unsigned decrementer_count; /* count value for 1e6/HZ microseconds */
-
-static __inline__ unsigned long get_msr (void)
-{
- unsigned long msr;
-
- asm volatile ("mfmsr %0":"=r" (msr):);
-
- return msr;
-}
-
-static __inline__ void set_msr (unsigned long msr)
-{
- asm volatile ("mtmsr %0"::"r" (msr));
-}
-
-static __inline__ unsigned long get_dec (void)
-{
- unsigned long val;
-
- asm volatile ("mfdec %0":"=r" (val):);
-
- return val;
-}
-
-
-static __inline__ void set_dec (unsigned long val)
-{
- if (val)
- asm volatile ("mtdec %0"::"r" (val));
-}
-
-
-void enable_interrupts (void)
-{
- set_msr (get_msr () | MSR_EE);
-}
-
-/* returns flag if MSR_EE was set before */
-int disable_interrupts (void)
-{
- ulong msr = get_msr ();
-
- set_msr (msr & ~MSR_EE);
- return ((msr & MSR_EE) != 0);
-}
-
-int interrupt_init (void)
-{
- int ret;
-
- /* call cpu specific function from $(CPU)/interrupts.c */
- ret = interrupt_init_cpu (&decrementer_count);
-
- if (ret)
- return ret;
-
- set_dec (decrementer_count);
-
- set_msr (get_msr () | MSR_EE);
-
- return (0);
-}
-
-static volatile ulong timestamp = 0;
-
-void timer_interrupt (struct pt_regs *regs)
-{
- /* call cpu specific function from $(CPU)/interrupts.c */
- timer_interrupt_cpu (regs);
-
- /* Restore Decrementer Count */
- set_dec (decrementer_count);
-
- timestamp++;
-
-#if defined(CONFIG_WATCHDOG) || defined (CONFIG_HW_WATCHDOG)
- if ((timestamp % (CONFIG_SYS_WATCHDOG_FREQ)) == 0)
- WATCHDOG_RESET ();
-#endif /* CONFIG_WATCHDOG || CONFIG_HW_WATCHDOG */
-
-#ifdef CONFIG_STATUS_LED
- status_led_tick (timestamp);
-#endif /* CONFIG_STATUS_LED */
-
-#ifdef CONFIG_SHOW_ACTIVITY
- board_show_activity (timestamp);
-#endif /* CONFIG_SHOW_ACTIVITY */
-}
-
-void reset_timer (void)
-{
- timestamp = 0;
-}
-
-ulong get_timer (ulong base)
-{
- return (timestamp - base);
-}
-
-void set_timer (ulong t)
-{
- timestamp = t;
-}