| /* | |
| * Copyright (C) 2006 Atmel Corporation | |
| * | |
| * SPDX-License-Identifier: GPL-2.0+ | |
| */ | |
| #include <common.h> | |
| #include <asm/sysreg.h> | |
| int interrupt_init(void) | |
| { | |
| return 0; | |
| } | |
| void enable_interrupts(void) | |
| { | |
| asm volatile("csrf %0" : : "n"(SYSREG_GM_OFFSET)); | |
| } | |
| int disable_interrupts(void) | |
| { | |
| unsigned long sr; | |
| sr = sysreg_read(SR); | |
| asm volatile("ssrf %0" : : "n"(SYSREG_GM_OFFSET)); | |
| #ifdef CONFIG_AT32UC3A0xxx | |
| /* Two NOPs are required after masking interrupts on the | |
| * AT32UC3A0512ES. See errata 41.4.5.5. */ | |
| asm("nop"); | |
| asm("nop"); | |
| #endif | |
| return !SYSREG_BFEXT(GM, sr); | |
| } |