| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * (C) Copyright 2000-2002 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * Copyright 2004 Freescale Semiconductor, Inc. |
| */ |
| |
| #include <common.h> |
| #include <command.h> |
| #include <irq_func.h> |
| #include <mpc83xx.h> |
| #include <asm/global_data.h> |
| #include <asm/processor.h> |
| #include <asm/ptrace.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| struct irq_action { |
| interrupt_handler_t *handler; |
| void *arg; |
| ulong count; |
| }; |
| |
| void 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; |
| } |
| |
| |
| /* |
| * 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(struct cmd_tbl *cmdtp, struct bd_info *bd, int flag, int argc, |
| char *const argv[]) |
| { |
| } |
| |
| #endif |