mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 10:48:51 +00:00
107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/*
|
|
* (C) Copyright 2000-2004
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
|
|
* TsiChung Liew (Tsi-Chung.Liew@freescale.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 <watchdog.h>
|
|
#include <asm/processor.h>
|
|
#include <asm/immap.h>
|
|
|
|
#ifdef CONFIG_M5272
|
|
int interrupt_init(void)
|
|
{
|
|
volatile intctrl_t *intp = (intctrl_t *) (MMAP_INTC);
|
|
|
|
/* disable all external interrupts */
|
|
intp->int_icr1 = 0x88888888;
|
|
intp->int_icr2 = 0x88888888;
|
|
intp->int_icr3 = 0x88888888;
|
|
intp->int_icr4 = 0x88888888;
|
|
intp->int_pitr = 0x00000000;
|
|
/* initialize vector register */
|
|
intp->int_pivr = 0x40;
|
|
|
|
enable_interrupts();
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_MCFTMR)
|
|
void dtimer_intr_setup(void)
|
|
{
|
|
volatile intctrl_t *intp = (intctrl_t *) (CONFIG_SYS_INTR_BASE);
|
|
|
|
intp->int_icr1 &= ~INT_ICR1_TMR3MASK;
|
|
intp->int_icr1 |= CONFIG_SYS_TMRINTR_PRI;
|
|
}
|
|
#endif /* CONFIG_MCFTMR */
|
|
#endif /* CONFIG_M5272 */
|
|
|
|
#if defined(CONFIG_M5208) || defined(CONFIG_M5282) || \
|
|
defined(CONFIG_M5271) || defined(CONFIG_M5275)
|
|
int interrupt_init(void)
|
|
{
|
|
volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
|
|
|
|
/* Make sure all interrupts are disabled */
|
|
#if defined(CONFIG_M5208)
|
|
intp->imrl0 = 0xFFFFFFFF;
|
|
intp->imrh0 = 0xFFFFFFFF;
|
|
#else
|
|
intp->imrl0 |= 0x1;
|
|
#endif
|
|
|
|
enable_interrupts();
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_MCFTMR)
|
|
void dtimer_intr_setup(void)
|
|
{
|
|
volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
|
|
|
|
intp->icr0[CONFIG_SYS_TMRINTR_NO] = CONFIG_SYS_TMRINTR_PRI;
|
|
intp->imrl0 &= 0xFFFFFFFE;
|
|
intp->imrl0 &= ~CONFIG_SYS_TMRINTR_MASK;
|
|
}
|
|
#endif /* CONFIG_MCFTMR */
|
|
#endif /* CONFIG_M5282 | CONFIG_M5271 | CONFIG_M5275 */
|
|
|
|
#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
|
|
int interrupt_init(void)
|
|
{
|
|
enable_interrupts();
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_MCFTMR)
|
|
void dtimer_intr_setup(void)
|
|
{
|
|
mbar_writeLong(MCFSIM_IMR, mbar_readLong(MCFSIM_IMR) & ~0x00000400);
|
|
mbar_writeByte(MCFSIM_TIMER2ICR, CONFIG_SYS_TMRINTR_PRI);
|
|
}
|
|
#endif /* CONFIG_MCFTMR */
|
|
#endif /* CONFIG_M5249 || CONFIG_M5253 */
|