/*
* Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights
* reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the NetLogic
* license below:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _NETLOGIC_COMMON_H_
#define _NETLOGIC_COMMON_H_

/*
* Common SMP definitions
*/
#define RESET_VEC_PHYS 0x1fc00000
#define RESET_VEC_SIZE 8192 /* 8KB reset code and data */
#define RESET_DATA_PHYS (RESET_VEC_PHYS + (1<<10))

/* Offsets of parameters in the RESET_DATA_PHYS area */
#define BOOT_THREAD_MODE 0
#define BOOT_NMI_LOCK 4
#define BOOT_NMI_HANDLER 8

/* CPU ready flags for each CPU */
#define BOOT_CPU_READY 2048

#ifndef __ASSEMBLY__
#include <linux/cpumask.h>
#include <linux/spinlock.h>
#include <asm/irq.h>
#include <asm/mach-netlogic/multi-node.h>

struct irq_desc;
void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc);
void nlm_smp_resched_ipi_handler(unsigned int irq, struct irq_desc *desc);
void nlm_smp_irq_init(int hwcpuid);
void nlm_boot_secondary_cpus(void);
int nlm_wakeup_secondary_cpus(void);
void nlm_rmiboot_preboot(void);
void nlm_percpu_init(int hwcpuid);

static inline void *
nlm_get_boot_data(int offset)
{
return (void *)(CKSEG1ADDR(RESET_DATA_PHYS) + offset);
}

static inline void
nlm_set_nmi_handler(void *handler)
{
void *nmih = nlm_get_boot_data(BOOT_NMI_HANDLER);

*(int64_t *)nmih = (long)handler;
}

/*
* Misc.
*/
void nlm_init_boot_cpu(void);
unsigned int nlm_get_cpu_frequency(void);
void nlm_node_init(int node);
extern struct plat_smp_ops nlm_smp_ops;
extern char nlm_reset_entry[], nlm_reset_entry_end[];

/* SWIOTLB */
extern struct dma_map_ops nlm_swiotlb_dma_ops;

extern unsigned int nlm_threads_per_core;
extern cpumask_t nlm_cpumask;

struct nlm_soc_info {
unsigned long coremask; /* cores enabled on the soc */
unsigned long ebase;
uint64_t irqmask;
uint64_t sysbase; /* only for XLP */
uint64_t picbase;
spinlock_t piclock;
};

#define nlm_get_node(i) (&nlm_nodes[i])
#ifdef CONFIG_CPU_XLR
#define nlm_current_node() (&nlm_nodes[0])
#else
#define nlm_current_node() (&nlm_nodes[nlm_nodeid()])
#endif

struct irq_data;
uint64_t nlm_pci_irqmask(int node);
void nlm_set_pic_extra_ack(int node, int irq, void (*xack)(struct irq_data *));

/*
* The NR_IRQs is divided between nodes, each of them has a separate irq space
*/
static inline int nlm_irq_to_xirq(int node, int irq)
{
return node * NR_IRQS / NLM_NR_NODES + irq;
}

extern struct nlm_soc_info nlm_nodes[NLM_NR_NODES];
extern int nlm_cpu_ready[];
#endif
#endif /* _NETLOGIC_COMMON_H_ */