diff options
Diffstat (limited to 'roms/u-boot/arch/powerpc/cpu/mpc83xx/interrupts.c')
-rw-r--r-- | roms/u-boot/arch/powerpc/cpu/mpc83xx/interrupts.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/roms/u-boot/arch/powerpc/cpu/mpc83xx/interrupts.c b/roms/u-boot/arch/powerpc/cpu/mpc83xx/interrupts.c new file mode 100644 index 000000000..f9486678a --- /dev/null +++ b/roms/u-boot/arch/powerpc/cpu/mpc83xx/interrupts.c @@ -0,0 +1,81 @@ +// 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 |