mirror of
				https://github.com/smaeul/u-boot.git
				synced 2025-10-31 20:18:18 +00:00 
			
		
		
		
	Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
		
			
				
	
	
		
			82 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * (C) Copyright 2000-2002
 | |
|  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 | |
|  *
 | |
|  * Copyright 2004 Freescale Semiconductor, Inc.
 | |
|  *
 | |
|  * SPDX-License-Identifier:	GPL-2.0+
 | |
|  */
 | |
| 
 | |
| #include <common.h>
 | |
| #include <command.h>
 | |
| #include <mpc83xx.h>
 | |
| #include <asm/processor.h>
 | |
| 
 | |
| DECLARE_GLOBAL_DATA_PTR;
 | |
| 
 | |
| struct irq_action {
 | |
| 	interrupt_handler_t *handler;
 | |
| 	void *arg;
 | |
| 	ulong count;
 | |
| };
 | |
| 
 | |
| int interrupt_init_cpu (unsigned *decrementer_count)
 | |
| {
 | |
| 	volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
 | |
| 
 | |
| 	*decrementer_count = (gd->bus_clk / 4) / CONFIG_SYS_HZ;
 | |
| 
 | |
| 	/* Enable e300 time base */
 | |
| 
 | |
| 	immr->sysconf.spcr |= 0x00400000;
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * Handle external interrupts
 | |
|  */
 | |
| 
 | |
| void external_interrupt (struct pt_regs *regs)
 | |
| {
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * Install and free an interrupt handler.
 | |
|  */
 | |
| 
 | |
| void
 | |
| irq_install_handler (int irq, interrupt_handler_t * handler, void *arg)
 | |
| {
 | |
| }
 | |
| 
 | |
| 
 | |
| void irq_free_handler (int irq)
 | |
| {
 | |
| }
 | |
| 
 | |
| 
 | |
| void timer_interrupt_cpu (struct pt_regs *regs)
 | |
| {
 | |
| 	/* nothing to do here */
 | |
| 	return;
 | |
| }
 | |
| 
 | |
| 
 | |
| #if defined(CONFIG_CMD_IRQ)
 | |
| 
 | |
| /* ripped this out of ppc4xx/interrupts.c */
 | |
| 
 | |
| /*
 | |
|  * irqinfo - print information about PCI devices
 | |
|  */
 | |
| 
 | |
| void
 | |
| do_irqinfo(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char * const argv[])
 | |
| {
 | |
| }
 | |
| 
 | |
| #endif
 |