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author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:04 -0500 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:03 +0200 |
commit | ea0364f1bbfed1e3ea711147420875cf338fe77a (patch) | |
tree | 15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /lib_ppc/interrupts.c | |
parent | 89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff) | |
download | u-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.c | 153 |
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; -} |