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author | wdenk <wdenk> | 2004-02-12 00:47:09 +0000 |
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committer | wdenk <wdenk> | 2004-02-12 00:47:09 +0000 |
commit | bf9e3b38f77c2eac620263dd60437c6ec47a27bf (patch) | |
tree | d03891090553d167f3eb08d7f9c3f2532e43fcc2 /cpu/coldfire/interrupts.c | |
parent | a2d18bb7d31e7b971386fef505ff0218f3b6e893 (diff) | |
download | bootable_bootloader_goldelico_gta04-bf9e3b38f77c2eac620263dd60437c6ec47a27bf.zip bootable_bootloader_goldelico_gta04-bf9e3b38f77c2eac620263dd60437c6ec47a27bf.tar.gz bootable_bootloader_goldelico_gta04-bf9e3b38f77c2eac620263dd60437c6ec47a27bf.tar.bz2 |
* Some code cleanup
* Patch by Josef Baumgartner, 10 Feb 2004:
Fixes for Coldfire port
* Patch by Brad Kemp, 11 Feb 2004:
Fix CFI flash driver problems
Diffstat (limited to 'cpu/coldfire/interrupts.c')
-rw-r--r-- | cpu/coldfire/interrupts.c | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/cpu/coldfire/interrupts.c b/cpu/coldfire/interrupts.c deleted file mode 100644 index 3861ff1..0000000 --- a/cpu/coldfire/interrupts.c +++ /dev/null @@ -1,127 +0,0 @@ -/* - * (C) Copyright 2000-2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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 <watchdog.h> -#ifdef CONFIG_M5272 -#include <asm/m5272.h> -#endif -#ifdef CONFIG_M5282 -#include <asm/m5282.h> -#endif -#include <asm/mcftimer.h> -#include <asm/processor.h> -#include <commproc.h> - -static ulong timestamp; -static unsigned short lastinc; - -void coldfire_timer_init (void) -{ - volatile unsigned short *timerp; - - timerp = (volatile unsigned short *) (MCF_MBAR + MCFTIMER_BASE4); - timestamp = 0; - -#ifdef CONFIG_M5272 - /* Set up TIMER 4 as poll clock */ - timerp[MCFTIMER_TMR] = MCFTIMER_TMR_DISABLE; - timerp[MCFTIMER_TRR] = lastinc = 0; - timerp[MCFTIMER_TMR] = (65 << 8) | MCFTIMER_TMR_CLK1 | - MCFTIMER_TMR_FREERUN | MCFTIMER_TMR_ENABLE; -#endif - -#ifdef CONFIG_M5282 - /* Set up TIMER 4 as poll clock */ - timerp[MCFTIMER_PCSR] = MCFTIMER_PCSR_OVW; - timerp[MCFTIMER_PMR] = lastinc = 0; - timerp[MCFTIMER_PCSR] = - (5 << 8) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW; -#endif -} - - -void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg) -{ -} -void irq_free_handler (int vec) -{ -} - -int interrupt_init (void) -{ - coldfire_timer_init (); - return 0; -} - -void enable_interrupts () -{ -} -int disable_interrupts () -{ - return 0; -} - -void set_timer (ulong t) -{ - volatile unsigned short *timerp; - - timerp = (volatile unsigned short *) (MCF_MBAR + MCFTIMER_BASE4); - timestamp = 0; - -#ifdef CONFIG_M5272 - timerp[MCFTIMER_TRR] = lastinc = 0; -#endif - -#ifdef CONFIG_M5282 - timerp[MCFTIMER_PMR] = lastinc = 0; -#endif -} - -ulong get_timer (ulong base) -{ - unsigned short now, diff; - volatile unsigned short *timerp; - - timerp = (volatile unsigned short *) (MCF_MBAR + MCFTIMER_BASE4); - -#ifdef CONFIG_M5272 - now = timerp[MCFTIMER_TCN]; - diff = (now - lastinc); -#endif - -#ifdef CONFIG_M5282 - now = timerp[MCFTIMER_PCNTR]; - diff = -(now - lastinc); -#endif - - timestamp += diff; - lastinc = now; - return timestamp - base; -} - -void wait_ticks (unsigned long ticks) -{ - set_timer (0); - while (get_timer (0) < ticks); -} |