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

/*
 * Copyright(c) 2015 EZchip Technologies.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * The full GNU General Public License is included in this distribution in
 * the file called "COPYING".
 */

#ifndef _PLAT_EZNPS_MTM_H
#define _PLAT_EZNPS_MTM_H

#include <plat/ctop.h>

static inline void *nps_mtm_reg_addr(u32 cpu, u32 reg)
{
	struct global_id gid;
	u32 core, blkid;

	gid.value = cpu;
	core = gid.core;
	blkid = (((core & 0x0C) << 2) | (core & 0x03));

	return nps_host_reg(cpu, blkid, reg);
}

#ifdef CONFIG_EZNPS_MTM_EXT
#define NPS_CPU_TO_THREAD_NUM(cpu) \
	({ struct global_id gid; gid.value = cpu; gid.thread; })

/* MTM registers */
#define MTM_CFG(cpu)			nps_mtm_reg_addr(cpu, 0x81)
#define MTM_THR_INIT(cpu)		nps_mtm_reg_addr(cpu, 0x92)
#define MTM_THR_INIT_STS(cpu)		nps_mtm_reg_addr(cpu, 0x93)

#define get_thread(map) map.thread
#define eznps_max_cpus 4096
#define eznps_cpus_per_cluster	256

void mtm_enable_core(unsigned int cpu);
int mtm_enable_thread(int cpu);
#else /* !CONFIG_EZNPS_MTM_EXT */

#define get_thread(map) 0
#define eznps_max_cpus 256
#define eznps_cpus_per_cluster	16
#define mtm_enable_core(cpu)
#define mtm_enable_thread(cpu) 1
#define NPS_CPU_TO_THREAD_NUM(cpu) 0

#endif /* CONFIG_EZNPS_MTM_EXT */

#endif /* _PLAT_EZNPS_MTM_H */