diff options
Diffstat (limited to 'arch/m68k/cpu/mcf52x2/interrupts.c')
| -rw-r--r-- | arch/m68k/cpu/mcf52x2/interrupts.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/arch/m68k/cpu/mcf52x2/interrupts.c b/arch/m68k/cpu/mcf52x2/interrupts.c index dff8c6aa8..915eb7023 100644 --- a/arch/m68k/cpu/mcf52x2/interrupts.c +++ b/arch/m68k/cpu/mcf52x2/interrupts.c @@ -2,7 +2,7 @@ * (C) Copyright 2000-2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this @@ -28,20 +28,22 @@ #include <watchdog.h> #include <asm/processor.h> #include <asm/immap.h> +#include <asm/io.h> #ifdef CONFIG_M5272 int interrupt_init(void) { - volatile intctrl_t *intp = (intctrl_t *) (MMAP_INTC); + 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; + out_be32(&intp->int_icr1, 0x88888888); + out_be32(&intp->int_icr2, 0x88888888); + out_be32(&intp->int_icr3, 0x88888888); + out_be32(&intp->int_icr4, 0x88888888); + out_be32(&intp->int_pitr, 0x00000000); + /* initialize vector register */ - intp->int_pivr = 0x40; + out_8(&intp->int_pivr, 0x40); enable_interrupts(); @@ -51,10 +53,10 @@ int interrupt_init(void) #if defined(CONFIG_MCFTMR) void dtimer_intr_setup(void) { - volatile intctrl_t *intp = (intctrl_t *) (CONFIG_SYS_INTR_BASE); + intctrl_t *intp = (intctrl_t *) (CONFIG_SYS_INTR_BASE); - intp->int_icr1 &= ~INT_ICR1_TMR3MASK; - intp->int_icr1 |= CONFIG_SYS_TMRINTR_PRI; + clrbits_be32(&intp->int_icr1, INT_ICR1_TMR3MASK); + setbits_be32(&intp->int_icr1, CONFIG_SYS_TMRINTR_PRI); } #endif /* CONFIG_MCFTMR */ #endif /* CONFIG_M5272 */ @@ -63,14 +65,14 @@ void dtimer_intr_setup(void) defined(CONFIG_M5271) || defined(CONFIG_M5275) int interrupt_init(void) { - volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); + 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; + out_be32(&intp->imrl0, 0xffffffff); + out_be32(&intp->imrh0, 0xffffffff); #else - intp->imrl0 |= 0x1; + setbits_be32(&intp->imrl0, 0x1); #endif enable_interrupts(); @@ -80,11 +82,11 @@ int interrupt_init(void) #if defined(CONFIG_MCFTMR) void dtimer_intr_setup(void) { - volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); + 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; + out_8(&intp->icr0[CONFIG_SYS_TMRINTR_NO], CONFIG_SYS_TMRINTR_PRI); + clrbits_be32(&intp->imrl0, 0x00000001); + clrbits_be32(&intp->imrl0, CONFIG_SYS_TMRINTR_MASK); } #endif /* CONFIG_MCFTMR */ #endif /* CONFIG_M5282 | CONFIG_M5271 | CONFIG_M5275 */ |