1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * (C) Copyright 2000-2004 4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 5 * 6 * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. 7 * TsiChung Liew (Tsi-Chung.Liew@freescale.com) 8 */ 9 10 #include <common.h> 11 #include <watchdog.h> 12 #include <asm/processor.h> 13 #include <asm/immap.h> 14 #include <asm/io.h> 15 16 #ifdef CONFIG_M5272 17 int interrupt_init(void) 18 { 19 intctrl_t *intp = (intctrl_t *) (MMAP_INTC); 20 21 /* disable all external interrupts */ 22 out_be32(&intp->int_icr1, 0x88888888); 23 out_be32(&intp->int_icr2, 0x88888888); 24 out_be32(&intp->int_icr3, 0x88888888); 25 out_be32(&intp->int_icr4, 0x88888888); 26 out_be32(&intp->int_pitr, 0x00000000); 27 28 /* initialize vector register */ 29 out_8(&intp->int_pivr, 0x40); 30 31 enable_interrupts(); 32 33 return 0; 34 } 35 36 #if defined(CONFIG_MCFTMR) 37 void dtimer_intr_setup(void) 38 { 39 intctrl_t *intp = (intctrl_t *) (CONFIG_SYS_INTR_BASE); 40 41 clrbits_be32(&intp->int_icr1, INT_ICR1_TMR3MASK); 42 setbits_be32(&intp->int_icr1, CONFIG_SYS_TMRINTR_PRI); 43 } 44 #endif /* CONFIG_MCFTMR */ 45 #endif /* CONFIG_M5272 */ 46 47 #if defined(CONFIG_M5208) || defined(CONFIG_M5282) || \ 48 defined(CONFIG_M5271) || defined(CONFIG_M5275) 49 int interrupt_init(void) 50 { 51 int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); 52 53 /* Make sure all interrupts are disabled */ 54 #if defined(CONFIG_M5208) 55 out_be32(&intp->imrl0, 0xffffffff); 56 out_be32(&intp->imrh0, 0xffffffff); 57 #else 58 setbits_be32(&intp->imrl0, 0x1); 59 #endif 60 61 enable_interrupts(); 62 return 0; 63 } 64 65 #if defined(CONFIG_MCFTMR) 66 void dtimer_intr_setup(void) 67 { 68 int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); 69 70 out_8(&intp->icr0[CONFIG_SYS_TMRINTR_NO], CONFIG_SYS_TMRINTR_PRI); 71 clrbits_be32(&intp->imrl0, 0x00000001); 72 clrbits_be32(&intp->imrl0, CONFIG_SYS_TMRINTR_MASK); 73 } 74 #endif /* CONFIG_MCFTMR */ 75 #endif /* CONFIG_M5282 | CONFIG_M5271 | CONFIG_M5275 */ 76 77 #if defined(CONFIG_M5249) || defined(CONFIG_M5253) 78 int interrupt_init(void) 79 { 80 enable_interrupts(); 81 82 return 0; 83 } 84 85 #if defined(CONFIG_MCFTMR) 86 void dtimer_intr_setup(void) 87 { 88 mbar_writeLong(MCFSIM_IMR, mbar_readLong(MCFSIM_IMR) & ~0x00000400); 89 mbar_writeByte(MCFSIM_TIMER2ICR, CONFIG_SYS_TMRINTR_PRI); 90 } 91 #endif /* CONFIG_MCFTMR */ 92 #endif /* CONFIG_M5249 || CONFIG_M5253 */ 93