1a47a12beSStefan Roese /*
2a47a12beSStefan Roese * (C) Copyright 2000-2002
3a47a12beSStefan Roese * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4a47a12beSStefan Roese *
5a47a12beSStefan Roese * Copyright 2004 Freescale Semiconductor, Inc.
6a47a12beSStefan Roese *
71a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+
8a47a12beSStefan Roese */
9a47a12beSStefan Roese
10a47a12beSStefan Roese #include <common.h>
11a47a12beSStefan Roese #include <command.h>
12a47a12beSStefan Roese #include <mpc83xx.h>
13a47a12beSStefan Roese #include <asm/processor.h>
14a47a12beSStefan Roese
15a47a12beSStefan Roese DECLARE_GLOBAL_DATA_PTR;
16a47a12beSStefan Roese
17a47a12beSStefan Roese struct irq_action {
18a47a12beSStefan Roese interrupt_handler_t *handler;
19a47a12beSStefan Roese void *arg;
20a47a12beSStefan Roese ulong count;
21a47a12beSStefan Roese };
22a47a12beSStefan Roese
interrupt_init_cpu(unsigned * decrementer_count)23*deff9b1dSTom Rini void interrupt_init_cpu (unsigned *decrementer_count)
24a47a12beSStefan Roese {
25a47a12beSStefan Roese volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
26a47a12beSStefan Roese
27a47a12beSStefan Roese *decrementer_count = (gd->bus_clk / 4) / CONFIG_SYS_HZ;
28a47a12beSStefan Roese
29a47a12beSStefan Roese /* Enable e300 time base */
30a47a12beSStefan Roese
31a47a12beSStefan Roese immr->sysconf.spcr |= 0x00400000;
32a47a12beSStefan Roese }
33a47a12beSStefan Roese
34a47a12beSStefan Roese
35a47a12beSStefan Roese /*
36a47a12beSStefan Roese * Handle external interrupts
37a47a12beSStefan Roese */
38a47a12beSStefan Roese
external_interrupt(struct pt_regs * regs)39a47a12beSStefan Roese void external_interrupt (struct pt_regs *regs)
40a47a12beSStefan Roese {
41a47a12beSStefan Roese }
42a47a12beSStefan Roese
43a47a12beSStefan Roese
44a47a12beSStefan Roese /*
45a47a12beSStefan Roese * Install and free an interrupt handler.
46a47a12beSStefan Roese */
47a47a12beSStefan Roese
48a47a12beSStefan Roese void
irq_install_handler(int irq,interrupt_handler_t * handler,void * arg)49a47a12beSStefan Roese irq_install_handler (int irq, interrupt_handler_t * handler, void *arg)
50a47a12beSStefan Roese {
51a47a12beSStefan Roese }
52a47a12beSStefan Roese
53a47a12beSStefan Roese
irq_free_handler(int irq)54a47a12beSStefan Roese void irq_free_handler (int irq)
55a47a12beSStefan Roese {
56a47a12beSStefan Roese }
57a47a12beSStefan Roese
58a47a12beSStefan Roese
timer_interrupt_cpu(struct pt_regs * regs)59a47a12beSStefan Roese void timer_interrupt_cpu (struct pt_regs *regs)
60a47a12beSStefan Roese {
61a47a12beSStefan Roese /* nothing to do here */
62a47a12beSStefan Roese return;
63a47a12beSStefan Roese }
64a47a12beSStefan Roese
65a47a12beSStefan Roese
66a47a12beSStefan Roese #if defined(CONFIG_CMD_IRQ)
67a47a12beSStefan Roese
68a47a12beSStefan Roese /* ripped this out of ppc4xx/interrupts.c */
69a47a12beSStefan Roese
70a47a12beSStefan Roese /*
71a47a12beSStefan Roese * irqinfo - print information about PCI devices
72a47a12beSStefan Roese */
73a47a12beSStefan Roese
74a47a12beSStefan Roese void
do_irqinfo(cmd_tbl_t * cmdtp,bd_t * bd,int flag,int argc,char * const argv[])7554841ab5SWolfgang Denk do_irqinfo(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char * const argv[])
76a47a12beSStefan Roese {
77a47a12beSStefan Roese }
78a47a12beSStefan Roese
79a47a12beSStefan Roese #endif
80