linux/include/asm-mips/tx4927/tx4927.h

/*
 * Author: MontaVista Software, Inc.
 *         source@mvista.com
 *
 * Copyright 2001-2006 MontaVista Software Inc.
 *
 *  This program is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License as published by the
 *  Free Software Foundation; either version 2 of the License, or (at your
 *  option) any later version.
 *
 *  THIS SOFTWARE IS PROVIDED ``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 THE AUTHOR 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.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */
#ifndef __ASM_TX4927_TX4927_H
#define __ASM_TX4927_TX4927_H

#include <asm/txx9irq.h>

#define TX4927_IRQ_CP0_BEG  MIPS_CPU_IRQ_BASE
#define TX4927_IRQ_CP0_END  (MIPS_CPU_IRQ_BASE + 8 - 1)

#define TX4927_IRQ_PIC_BEG  TXX9_IRQ_BASE
#define TX4927_IRQ_PIC_END  (TXX9_IRQ_BASE + TXx9_MAX_IR - 1)


#define TX4927_IRQ_USER0	    (TX4927_IRQ_CP0_BEG+0)
#define TX4927_IRQ_USER1	    (TX4927_IRQ_CP0_BEG+1)
#define TX4927_IRQ_NEST_PIC_ON_CP0  (TX4927_IRQ_CP0_BEG+2)
#define TX4927_IRQ_CPU_TIMER	    (TX4927_IRQ_CP0_BEG+7)

#define TX4927_IRQ_NEST_EXT_ON_PIC  (TX4927_IRQ_PIC_BEG+3)

#define TX4927_CCFG_TOE 0x00004000
#define TX4927_CCFG_WR	0x00008000
#define TX4927_CCFG_TINTDIS	0x01000000

#define TX4927_PCIMEM	   0x08000000
#define TX4927_PCIMEM_SIZE 0x08000000
#define TX4927_PCIIO	   0x16000000
#define TX4927_PCIIO_SIZE  0x01000000

#define TX4927_SDRAMC_REG	0xff1f8000
#define TX4927_EBUSC_REG	0xff1f9000
#define TX4927_PCIC_REG		0xff1fd000
#define TX4927_CCFG_REG		0xff1fe000
#define TX4927_IRC_REG		0xff1ff600
#define TX4927_NR_TMR	3
#define TX4927_TMR_REG(ch)	(0xff1ff000 + (ch) * 0x100)

/* bits for ISTAT3/IMASK3/IMSTAT3 */
#define TX4927_INT3B_PCID	0
#define TX4927_INT3B_PCIC	1
#define TX4927_INT3B_PCIB	2
#define TX4927_INT3B_PCIA	3
#define TX4927_INT3F_PCID	(1 << TX4927_INT3B_PCID)
#define TX4927_INT3F_PCIC	(1 << TX4927_INT3B_PCIC)
#define TX4927_INT3F_PCIB	(1 << TX4927_INT3B_PCIB)
#define TX4927_INT3F_PCIA	(1 << TX4927_INT3B_PCIA)

#define TX4927_NR_IRQ_LOCAL	TX4927_IRQ_PIC_BEG
#define TX4927_NR_IRQ_IRC	32	/* On-Chip IRC */

#define TX4927_IR_PCIC		16
#define TX4927_IR_PCIERR	22
#define TX4927_IR_PCIPMA	23
#define TX4927_IRQ_IRC_PCIC	(TX4927_NR_IRQ_LOCAL + TX4927_IR_PCIC)
#define TX4927_IRQ_IRC_PCIERR	(TX4927_NR_IRQ_LOCAL + TX4927_IR_PCIERR)
#define TX4927_IRQ_IOC1		(TX4927_NR_IRQ_LOCAL + TX4927_NR_IRQ_IRC)
#define TX4927_IRQ_IOC_PCID	(TX4927_IRQ_IOC1 + TX4927_INT3B_PCID)
#define TX4927_IRQ_IOC_PCIC	(TX4927_IRQ_IOC1 + TX4927_INT3B_PCIC)
#define TX4927_IRQ_IOC_PCIB	(TX4927_IRQ_IOC1 + TX4927_INT3B_PCIB)
#define TX4927_IRQ_IOC_PCIA	(TX4927_IRQ_IOC1 + TX4927_INT3B_PCIA)

#ifdef _LANGUAGE_ASSEMBLY
#define _CONST64(c)	c
#else
#define _CONST64(c)	c##ull

#include <asm/byteorder.h>

struct tx4927_sdramc_reg {
	volatile unsigned long long cr[4];
	volatile unsigned long long unused0[4];
	volatile unsigned long long tr;
	volatile unsigned long long unused1[2];
	volatile unsigned long long cmd;
};

struct tx4927_ebusc_reg {
	volatile unsigned long long cr[8];
};

struct tx4927_ccfg_reg {
	volatile unsigned long long ccfg;
	volatile unsigned long long crir;
	volatile unsigned long long pcfg;
	volatile unsigned long long tear;
	volatile unsigned long long clkctr;
	volatile unsigned long long unused0;
	volatile unsigned long long garbc;
	volatile unsigned long long unused1;
	volatile unsigned long long unused2;
	volatile unsigned long long ramp;
};

struct tx4927_pcic_reg {
	volatile unsigned long pciid;
	volatile unsigned long pcistatus;
	volatile unsigned long pciccrev;
	volatile unsigned long pcicfg1;
	volatile unsigned long p2gm0plbase;		/* +10 */
	volatile unsigned long p2gm0pubase;
	volatile unsigned long p2gm1plbase;
	volatile unsigned long p2gm1pubase;
	volatile unsigned long p2gm2pbase;		/* +20 */
	volatile unsigned long p2giopbase;
	volatile unsigned long unused0;
	volatile unsigned long pcisid;
	volatile unsigned long unused1;		/* +30 */
	volatile unsigned long pcicapptr;
	volatile unsigned long unused2;
	volatile unsigned long pcicfg2;
	volatile unsigned long g2ptocnt;		/* +40 */
	volatile unsigned long unused3[15];
	volatile unsigned long g2pstatus;		/* +80 */
	volatile unsigned long g2pmask;
	volatile unsigned long pcisstatus;
	volatile unsigned long pcimask;
	volatile unsigned long p2gcfg;		/* +90 */
	volatile unsigned long p2gstatus;
	volatile unsigned long p2gmask;
	volatile unsigned long p2gccmd;
	volatile unsigned long unused4[24];		/* +a0 */
	volatile unsigned long pbareqport;		/* +100 */
	volatile unsigned long pbacfg;
	volatile unsigned long pbastatus;
	volatile unsigned long pbamask;
	volatile unsigned long pbabm;		/* +110 */
	volatile unsigned long pbacreq;
	volatile unsigned long pbacgnt;
	volatile unsigned long pbacstate;
	volatile unsigned long long g2pmgbase[3];		/* +120 */
	volatile unsigned long long g2piogbase;
	volatile unsigned long g2pmmask[3];		/* +140 */
	volatile unsigned long g2piomask;
	volatile unsigned long long g2pmpbase[3];		/* +150 */
	volatile unsigned long long g2piopbase;
	volatile unsigned long pciccfg;		/* +170 */
	volatile unsigned long pcicstatus;
	volatile unsigned long pcicmask;
	volatile unsigned long unused5;
	volatile unsigned long long p2gmgbase[3];		/* +180 */
	volatile unsigned long long p2giogbase;
	volatile unsigned long g2pcfgadrs;		/* +1a0 */
	volatile unsigned long g2pcfgdata;
	volatile unsigned long unused6[8];
	volatile unsigned long g2pintack;
	volatile unsigned long g2pspc;
	volatile unsigned long unused7[12];		/* +1d0 */
	volatile unsigned long long pdmca;		/* +200 */
	volatile unsigned long long pdmga;
	volatile unsigned long long pdmpa;
	volatile unsigned long long pdmcut;
	volatile unsigned long long pdmcnt;		/* +220 */
	volatile unsigned long long pdmsts;
	volatile unsigned long long unused8[2];
	volatile unsigned long long pdmdb[4];		/* +240 */
	volatile unsigned long long pdmtdh;		/* +260 */
	volatile unsigned long long pdmdms;
};

#endif /* _LANGUAGE_ASSEMBLY */

/*
 * PCIC
 */

/* bits for G2PSTATUS/G2PMASK */
#define TX4927_PCIC_G2PSTATUS_ALL	0x00000003
#define TX4927_PCIC_G2PSTATUS_TTOE	0x00000002
#define TX4927_PCIC_G2PSTATUS_RTOE	0x00000001

/* bits for PCIMASK (see also PCI_STATUS_XXX in linux/pci.h */
#define TX4927_PCIC_PCISTATUS_ALL	0x0000f900

/* bits for PBACFG */
#define TX4927_PCIC_PBACFG_RPBA 0x00000004
#define TX4927_PCIC_PBACFG_PBAEN	0x00000002
#define TX4927_PCIC_PBACFG_BMCEN	0x00000001

/* bits for G2PMnGBASE */
#define TX4927_PCIC_G2PMnGBASE_BSDIS	_CONST64(0x0000002000000000)
#define TX4927_PCIC_G2PMnGBASE_ECHG	_CONST64(0x0000001000000000)

/* bits for G2PIOGBASE */
#define TX4927_PCIC_G2PIOGBASE_BSDIS	_CONST64(0x0000002000000000)
#define TX4927_PCIC_G2PIOGBASE_ECHG	_CONST64(0x0000001000000000)

/* bits for PCICSTATUS/PCICMASK */
#define TX4927_PCIC_PCICSTATUS_ALL	0x000007dc

/* bits for PCICCFG */
#define TX4927_PCIC_PCICCFG_LBWC_MASK	0x0fff0000
#define TX4927_PCIC_PCICCFG_HRST	0x00000800
#define TX4927_PCIC_PCICCFG_SRST	0x00000400
#define TX4927_PCIC_PCICCFG_IRBER	0x00000200
#define TX4927_PCIC_PCICCFG_IMSE0	0x00000100
#define TX4927_PCIC_PCICCFG_IMSE1	0x00000080
#define TX4927_PCIC_PCICCFG_IMSE2	0x00000040
#define TX4927_PCIC_PCICCFG_IISE	0x00000020
#define TX4927_PCIC_PCICCFG_ATR 0x00000010
#define TX4927_PCIC_PCICCFG_ICAE	0x00000008

/* bits for P2GMnGBASE */
#define TX4927_PCIC_P2GMnGBASE_TMEMEN	_CONST64(0x0000004000000000)
#define TX4927_PCIC_P2GMnGBASE_TBSDIS	_CONST64(0x0000002000000000)
#define TX4927_PCIC_P2GMnGBASE_TECHG	_CONST64(0x0000001000000000)

/* bits for P2GIOGBASE */
#define TX4927_PCIC_P2GIOGBASE_TIOEN	_CONST64(0x0000004000000000)
#define TX4927_PCIC_P2GIOGBASE_TBSDIS	_CONST64(0x0000002000000000)
#define TX4927_PCIC_P2GIOGBASE_TECHG	_CONST64(0x0000001000000000)

#define TX4927_PCIC_IDSEL_AD_TO_SLOT(ad)	((ad) - 11)
#define TX4927_PCIC_MAX_DEVNU	TX4927_PCIC_IDSEL_AD_TO_SLOT(32)

/*
 * CCFG
 */
/* CCFG : Chip Configuration */
#define TX4927_CCFG_PCI66	0x00800000
#define TX4927_CCFG_PCIMIDE	0x00400000
#define TX4927_CCFG_PCIXARB	0x00002000
#define TX4927_CCFG_PCIDIVMODE_MASK	0x00001800
#define TX4927_CCFG_PCIDIVMODE_2_5	0x00000000
#define TX4927_CCFG_PCIDIVMODE_3	0x00000800
#define TX4927_CCFG_PCIDIVMODE_5	0x00001000
#define TX4927_CCFG_PCIDIVMODE_6	0x00001800

#define TX4937_CCFG_PCIDIVMODE_MASK	0x00001c00
#define TX4937_CCFG_PCIDIVMODE_8	0x00000000
#define TX4937_CCFG_PCIDIVMODE_4	0x00000400
#define TX4937_CCFG_PCIDIVMODE_9	0x00000800
#define TX4937_CCFG_PCIDIVMODE_4_5	0x00000c00
#define TX4937_CCFG_PCIDIVMODE_10	0x00001000
#define TX4937_CCFG_PCIDIVMODE_5	0x00001400
#define TX4937_CCFG_PCIDIVMODE_11	0x00001800
#define TX4937_CCFG_PCIDIVMODE_5_5	0x00001c00

/* PCFG : Pin Configuration */
#define TX4927_PCFG_PCICLKEN_ALL	0x003f0000
#define TX4927_PCFG_PCICLKEN(ch)	(0x00010000<<(ch))

/* CLKCTR : Clock Control */
#define TX4927_CLKCTR_PCICKD	0x00400000
#define TX4927_CLKCTR_PCIRST	0x00000040

#ifndef _LANGUAGE_ASSEMBLY

#define tx4927_sdramcptr	((struct tx4927_sdramc_reg *)TX4927_SDRAMC_REG)
#define tx4927_pcicptr		((struct tx4927_pcic_reg *)TX4927_PCIC_REG)
#define tx4927_ccfgptr		((struct tx4927_ccfg_reg *)TX4927_CCFG_REG)
#define tx4927_ebuscptr		((struct tx4927_ebusc_reg *)TX4927_EBUSC_REG)

#endif /* _LANGUAGE_ASSEMBLY */

#endif /* __ASM_TX4927_TX4927_H */