| /* |
| * Copyright (C) 2006 Atmel Corporation |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| #include <common.h> |
| |
| #include <asm/sysreg.h> |
| |
| 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); |
| } |
