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 | |