1 /* 2 * Copyright (C) 2021 HiSilicon (Shanghai) Technologies CO., LIMITED. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 2 7 * of the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 17 */ 18 19 #ifndef __ASM_ARM_IO_H 20 #define __ASM_ARM_IO_H 21 22 #include <types.h> 23 #include <barriers.h> 24 25 #define __arch_getl(a) (*(volatile unsigned int *)(a)) 26 #define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v)) 27 28 #define mb() dsb() 29 #define __iormb() dmb() 30 #define __iowmb() dmb() 31 32 #define writel(v,c) ({ u32 __v = v; __iowmb(); __arch_putl(__v,c); __v; }) 33 #define readl(c) ({ u32 __v = __arch_getl(c); __iormb(); __v; }) 34 35 #endif /* __ASM_ARM_IO_H */ 36