arch/arc/plat-eznps/include/plat/mtm.h

   1 /*
   2  * Copyright(c) 2015 EZchip Technologies.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * The full GNU General Public License is included in this distribution in
  14  * the file called "COPYING".
  15  */
  16
  17 #ifndef _PLAT_EZNPS_MTM_H
  18 #define _PLAT_EZNPS_MTM_H
  19
  20 #include <plat/ctop.h>
  21
  22 static inline void *nps_mtm_reg_addr(u32 cpu, u32 reg)
  23 {
  24         struct global_id gid;
  25         u32 core, blkid;
  26
  27         gid.value = cpu;
  28         core = gid.core;
  29         blkid = (((core & 0x0C) << 2) | (core & 0x03));
  30
  31         return nps_host_reg(cpu, blkid, reg);
  32 }
  33
  34 #ifdef CONFIG_EZNPS_MTM_EXT
  35 #define NPS_CPU_TO_THREAD_NUM(cpu) \
  36         ({ struct global_id gid; gid.value = cpu; gid.thread; })
  37
  38 /* MTM registers */
  39 #define MTM_CFG(cpu)                    nps_mtm_reg_addr(cpu, 0x81)
  40 #define MTM_THR_INIT(cpu)               nps_mtm_reg_addr(cpu, 0x92)
  41 #define MTM_THR_INIT_STS(cpu)           nps_mtm_reg_addr(cpu, 0x93)
  42
  43 #define get_thread(map) map.thread
  44 #define eznps_max_cpus 4096
  45 #define eznps_cpus_per_cluster  256
  46
  47 void mtm_enable_core(unsigned int cpu);
  48 int mtm_enable_thread(int cpu);
  49 #else /* !CONFIG_EZNPS_MTM_EXT */
  50
  51 #define get_thread(map) 0
  52 #define eznps_max_cpus 256
  53 #define eznps_cpus_per_cluster  16
  54 #define mtm_enable_core(cpu)
  55 #define mtm_enable_thread(cpu) 1
  56 #define NPS_CPU_TO_THREAD_NUM(cpu) 0
  57
  58 #endif /* CONFIG_EZNPS_MTM_EXT */
  59
  60 #endif /* _PLAT_EZNPS_MTM_H */