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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 */