1 /*
2  * (C) Copyright 2000-2002
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * Copyright 2004 Freescale Semiconductor, Inc.
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #include <common.h>
11 #include <command.h>
12 #include <mpc83xx.h>
13 #include <asm/processor.h>
14 
15 DECLARE_GLOBAL_DATA_PTR;
16 
17 struct irq_action {
18 	interrupt_handler_t *handler;
19 	void *arg;
20 	ulong count;
21 };
22 
23 void interrupt_init_cpu (unsigned *decrementer_count)
24 {
25 	volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
26 
27 	*decrementer_count = (gd->bus_clk / 4) / CONFIG_SYS_HZ;
28 
29 	/* Enable e300 time base */
30 
31 	immr->sysconf.spcr |= 0x00400000;
32 }
33 
34 
35 /*
36  * Handle external interrupts
37  */
38 
39 void external_interrupt (struct pt_regs *regs)
40 {
41 }
42 
43 
44 /*
45  * Install and free an interrupt handler.
46  */
47 
48 void
49 irq_install_handler (int irq, interrupt_handler_t * handler, void *arg)
50 {
51 }
52 
53 
54 void irq_free_handler (int irq)
55 {
56 }
57 
58 
59 void timer_interrupt_cpu (struct pt_regs *regs)
60 {
61 	/* nothing to do here */
62 	return;
63 }
64 
65 
66 #if defined(CONFIG_CMD_IRQ)
67 
68 /* ripped this out of ppc4xx/interrupts.c */
69 
70 /*
71  * irqinfo - print information about PCI devices
72  */
73 
74 void
75 do_irqinfo(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char * const argv[])
76 {
77 }
78 
79 #endif
80