1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __LOONGSON_SMP_H_ 3#define __LOONGSON_SMP_H_ 4 5/* for Loongson-3 smp support */ 6extern unsigned long long smp_group[4]; 7 8/* 4 groups(nodes) in maximum in numa case */ 9#define SMP_CORE_GROUP0_BASE (smp_group[0]) 10#define SMP_CORE_GROUP1_BASE (smp_group[1]) 11#define SMP_CORE_GROUP2_BASE (smp_group[2]) 12#define SMP_CORE_GROUP3_BASE (smp_group[3]) 13 14/* 4 cores in each group(node) */ 15#define SMP_CORE0_OFFSET 0x000 16#define SMP_CORE1_OFFSET 0x100 17#define SMP_CORE2_OFFSET 0x200 18#define SMP_CORE3_OFFSET 0x300 19 20/* ipi registers offsets */ 21#define STATUS0 0x00 22#define EN0 0x04 23#define SET0 0x08 24#define CLEAR0 0x0c 25#define STATUS1 0x10 26#define MASK1 0x14 27#define SET1 0x18 28#define CLEAR1 0x1c 29#define BUF 0x20 30 31#endif 32