/*
 * This file is subject to the terms and conditions of the
 * Open Software License. 
 * See http://www.opensource.org/licenses/osl-2.0.php for more details.
 *
 * Copyright (C) 2011 Elvees, Inc.
 */

#ifndef _MULTICORE_H
#define _MULTICORE_H

#include <irq.h>

#if defined(CONFIG_NVCOM01) || defined(CONFIG_NVCOM02) || \
		defined(CONFIG_MCT03P) || defined(CONFIG_MC30SF6) || defined(CONFIG_MCT04) || defined(CONFIG_MCT06) || defined(CONFIG_MC0428)
	#define MC_QUARTZ_CLOCK_FREQ ((CONFIG_MULTICORE_CLOCKFREQ * 1000000) / 2)
#else
	#define MC_QUARTZ_CLOCK_FREQ (CONFIG_MULTICORE_CLOCKFREQ * 1000000)
#endif
#define MC_MEMSIZE	     (1048576 * CONFIG_MULTICORE_MEMORY)

#include <linux/types.h>

#ifdef CONFIG_NVCOM01
#	include "io-nvcom01.h"
#endif

#ifdef CONFIG_NVCOM02
#	include "io-nvcom02.h"
#endif

#ifdef CONFIG_MC24
#	include "io-mc24.h"
#endif

#ifdef CONFIG_MC24R2
#	include "io-mc24r2.h"
#endif

#ifdef CONFIG_MC24M
#	include "io-mc24m.h"
#endif

#if defined(CONFIG_MCT02R) || defined(CONFIG_MCT03P)
#	include "io-mct02.h"
#endif

#if defined(CONFIG_MC30SF6)
#	include "io-mc30sf6.h"
#endif

#if defined(CONFIG_MCT04)
#	include "io-mct04.h"
#endif

#if defined(CONFIG_MCT06)
#	include "io-mct06.h"
#endif

#if defined(CONFIG_MC0428)
#	include "io-mc0428.h"
#endif


#include "io-elvees.h"

#if defined(CONFIG_NVCOM01) || defined(CONFIG_NVCOM02)
#	define CSR_CLKMASK	0xff
#	define CSR_CLKSHIFT	0x0
#elif defined(CONFIG_MC24M)
#	define CSR_CLKMASK	0x7f
#	define CSR_CLKSHIFT	0x0
#elif defined(CONFIG_MC24R2)
#	define CSR_CLKMASK	0x1f
#	define CSR_CLKSHIFT	0x0
#elif defined(CONFIG_MCT02R)
#	define CSR_CLKMASK	0x1f
#	define CSR_CLKSHIFT	0x0
#elif defined(CONFIG_MCT03P)
#	define CSR_CLKMASK	0x3f
#	define CSR_CLKSHIFT	0x0
#elif defined(CONFIG_MC30SF6) || defined(CONFIG_MCT04) || defined(CONFIG_MCT06) || defined(CONFIG_MC0428)
#	define CSR_CLKMASK	0x7f
#	define CSR_CLKSHIFT	0x0
#else
#	define CSR_CLKMASK	0x1f0
#	define CSR_CLKSHIFT	4
#endif

#define mc_frequency_multiplier() ((MC_CRPLL & CSR_CLKMASK) >> CSR_CLKSHIFT)

#if defined(CONFIG_NVCOM01) || defined(CONFIG_NVCOM02)
#	define CR_PLL_MPORTMASK		0x0000ff00
#	define CR_PLL_MPORTSHIFT	8
#elif defined(CONFIG_MC24M)
#	define CR_PLL_MPORTMASK		0x00007f00
#	define CR_PLL_MPORTSHIFT	8
#elif defined(CONFIG_MC24R2)
#	define CR_PLL_MPORTMASK		0x00001f00
#	define CR_PLL_MPORTSHIFT	8
#elif defined(CONFIG_MCT02R)
#	define CR_PLL_MPORTMASK		0x00001f00
#	define CR_PLL_MPORTSHIFT	8
#elif defined(CONFIG_MCT03P) || defined(CONFIG_MC30SF6) || defined(CONFIG_MCT06) || defined(CONFIG_MC0428)
#	define CR_PLL_MPORTMASK		0x00007f00
#	define CR_PLL_MPORTSHIFT	8
#elif defined(CONFIG_MCT04)
#	define CR_PLL_MPORTMASK		0x00000000
#	define CR_PLL_MPORTSHIFT	0
#else
#	define CR_PLL_MPORTMASK		0x0000ff00
#	define CR_PLL_MPORTSHIFT	8
#endif

#define mc_frequency_mport_multiplier() ((MC_CRPLL & CR_PLL_MPORTMASK) >> CR_PLL_MPORTSHIFT)

/* Debug messaging */
#undef PDEBUG
#ifdef MULTICORE_DEBUG
#	define PDEBUG(fmt, args...) printk(KERN_ALERT "elvees: " fmt, ##args)
#else
#	define PDEBUG(fmt, args...) /* not debugging: nothing */
#endif

#undef PDEBUGG
#define PDEBUGG(fmt, args...) /* nothing: it's a placeholder */


extern struct bus_type mcbus;
extern u64 mcbus_dma_mask;

/*
 * Map virtual address to physical address.
 */
static inline unsigned mips_virt_to_phys (unsigned virtaddr)
{
	switch (virtaddr >> 28 & 0xE) {
	default:  return virtaddr + 0x40000000;		/* kuseg */
	case 0x8: return virtaddr - 0x80000000;		/* kseg0 */
	case 0xA: return virtaddr - 0xA0000000;		/* kseg1 */
	case 0xC: return virtaddr;			/* kseg2 */
	case 0xE: return virtaddr;			/* kseg3 */
	}
}



#endif /* _MULTICORE_H */