1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __LOONGSON_SMP_H_ 3 #define __LOONGSON_SMP_H_ 4 5 /* for Loongson-3 smp support */ 6 extern 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