xref: /OK3568_Linux_fs/u-boot/arch/m68k/cpu/mcf530x/interrupts.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2014  Angelo Dureghello <angelo@sysam.it>
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <asm/immap.h>
10*4882a593Smuzhiyun #include <asm/io.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #ifdef CONFIG_M5307
interrupt_init(void)13*4882a593Smuzhiyun int interrupt_init(void)
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun 	enable_interrupts();
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun 	return 0;
18*4882a593Smuzhiyun }
19*4882a593Smuzhiyun 
dtimer_intr_setup(void)20*4882a593Smuzhiyun void dtimer_intr_setup(void)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun 	intctrl_t *icr = (intctrl_t *)(MMAP_INTC);
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun 	/* clearing TIMER2 mask, so enabling the related interrupt */
25*4882a593Smuzhiyun 	out_be32(&icr->imr, in_be32(&icr->imr) & ~0x00000400);
26*4882a593Smuzhiyun 	/* set TIMER2 interrupt priority */
27*4882a593Smuzhiyun 	out_8(&icr->icr2, CONFIG_SYS_TMRINTR_PRI);
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun #endif
30