arch/mips/loongson64/smp.h

   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