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