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 <irq_func.h>
12 #include <watchdog.h>
13 #include <asm/processor.h>
14 #include <asm/immap.h>
15 #include <asm/io.h>
16
17 #ifdef CONFIG_M5272
interrupt_init(void)18 int interrupt_init(void)
19 {
20 intctrl_t *intp = (intctrl_t *) (MMAP_INTC);
21
22 /* disable all external interrupts */
23 out_be32(&intp->int_icr1, 0x88888888);
24 out_be32(&intp->int_icr2, 0x88888888);
25 out_be32(&intp->int_icr3, 0x88888888);
26 out_be32(&intp->int_icr4, 0x88888888);
27 out_be32(&intp->int_pitr, 0x00000000);
28
29 /* initialize vector register */
30 out_8(&intp->int_pivr, 0x40);
31
32 enable_interrupts();
33
34 return 0;
35 }
36
37 #if defined(CONFIG_MCFTMR)
dtimer_intr_setup(void)38 void dtimer_intr_setup(void)
39 {
40 intctrl_t *intp = (intctrl_t *) (CONFIG_SYS_INTR_BASE);
41
42 clrbits_be32(&intp->int_icr1, INT_ICR1_TMR3MASK);
43 setbits_be32(&intp->int_icr1, CONFIG_SYS_TMRINTR_PRI);
44 }
45 #endif /* CONFIG_MCFTMR */
46 #endif /* CONFIG_M5272 */
47
48 #if defined(CONFIG_M5208) || defined(CONFIG_M5282) || \
49 defined(CONFIG_M5271) || defined(CONFIG_M5275)
interrupt_init(void)50 int interrupt_init(void)
51 {
52 int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
53
54 /* Make sure all interrupts are disabled */
55 #if defined(CONFIG_M5208)
56 out_be32(&intp->imrl0, 0xffffffff);
57 out_be32(&intp->imrh0, 0xffffffff);
58 #else
59 setbits_be32(&intp->imrl0, 0x1);
60 #endif
61
62 enable_interrupts();
63 return 0;
64 }
65
66 #if defined(CONFIG_MCFTMR)
dtimer_intr_setup(void)67 void dtimer_intr_setup(void)
68 {
69 int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
70
71 out_8(&intp->icr0[CONFIG_SYS_TMRINTR_NO], CONFIG_SYS_TMRINTR_PRI);
72 clrbits_be32(&intp->imrl0, 0x00000001);
73 clrbits_be32(&intp->imrl0, CONFIG_SYS_TMRINTR_MASK);
74 }
75 #endif /* CONFIG_MCFTMR */
76 #endif /* CONFIG_M5282 | CONFIG_M5271 | CONFIG_M5275 */
77
78 #if defined(CONFIG_M5249) || defined(CONFIG_M5253)
interrupt_init(void)79 int interrupt_init(void)
80 {
81 enable_interrupts();
82
83 return 0;
84 }
85
86 #if defined(CONFIG_MCFTMR)
dtimer_intr_setup(void)87 void dtimer_intr_setup(void)
88 {
89 mbar_writeLong(MCFSIM_IMR, mbar_readLong(MCFSIM_IMR) & ~0x00000400);
90 mbar_writeByte(MCFSIM_TIMER2ICR, CONFIG_SYS_TMRINTR_PRI);
91 }
92 #endif /* CONFIG_MCFTMR */
93 #endif /* CONFIG_M5249 || CONFIG_M5253 */
94