xref: /kernel/linux/linux-5.10/arch/mips/include/asm/mips-boards/msc01_pci.h

/*
 * PCI Register definitions for the MIPS System Controller.
 *
 * Copyright (C) 2002, 2005  MIPS Technologies, Inc.  All rights reserved.
 *	Authors: Carsten Langgaard <carstenl@mips.com>
 *		 Maciej W. Rozycki <macro@mips.com>
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#ifndef __ASM_MIPS_BOARDS_MSC01_PCI_H
#define __ASM_MIPS_BOARDS_MSC01_PCI_H

/*
 * Register offset addresses
 */

#define MSC01_PCI_ID_OFS		0x0000
#define MSC01_PCI_SC2PMBASL_OFS		0x0208
#define MSC01_PCI_SC2PMMSKL_OFS		0x0218
#define MSC01_PCI_SC2PMMAPL_OFS		0x0228
#define MSC01_PCI_SC2PIOBASL_OFS	0x0248
#define MSC01_PCI_SC2PIOMSKL_OFS	0x0258
#define MSC01_PCI_SC2PIOMAPL_OFS	0x0268
#define MSC01_PCI_P2SCMSKL_OFS		0x0308
#define MSC01_PCI_P2SCMAPL_OFS		0x0318
#define MSC01_PCI_INTCFG_OFS		0x0600
#define MSC01_PCI_INTSTAT_OFS		0x0608
#define MSC01_PCI_CFGADDR_OFS		0x0610
#define MSC01_PCI_CFGDATA_OFS		0x0618
#define MSC01_PCI_IACK_OFS		0x0620
#define MSC01_PCI_HEAD0_OFS		0x2000	/* DevID, VendorID */
#define MSC01_PCI_HEAD1_OFS		0x2008	/* Status, Command */
#define MSC01_PCI_HEAD2_OFS		0x2010	/* Class code, RevID */
#define MSC01_PCI_HEAD3_OFS		0x2018	/* bist, header, latency */
#define MSC01_PCI_HEAD4_OFS		0x2020	/* BAR 0 */
#define MSC01_PCI_HEAD5_OFS		0x2028	/* BAR 1 */
#define MSC01_PCI_HEAD6_OFS		0x2030	/* BAR 2 */
#define MSC01_PCI_HEAD7_OFS		0x2038	/* BAR 3 */
#define MSC01_PCI_HEAD8_OFS		0x2040	/* BAR 4 */
#define MSC01_PCI_HEAD9_OFS		0x2048	/* BAR 5 */
#define MSC01_PCI_HEAD10_OFS		0x2050	/* CardBus CIS Ptr */
#define MSC01_PCI_HEAD11_OFS		0x2058	/* SubSystem ID, -VendorID */
#define MSC01_PCI_HEAD12_OFS		0x2060	/* ROM BAR */
#define MSC01_PCI_HEAD13_OFS		0x2068	/* Capabilities ptr */
#define MSC01_PCI_HEAD14_OFS		0x2070	/* reserved */
#define MSC01_PCI_HEAD15_OFS		0x2078	/* Maxl, ming, intpin, int */
#define MSC01_PCI_BAR0_OFS		0x2220
#define MSC01_PCI_CFG_OFS		0x2380
#define MSC01_PCI_SWAP_OFS		0x2388


/*****************************************************************************
 * Register encodings
 ****************************************************************************/

#define MSC01_PCI_ID_ID_SHF		16
#define MSC01_PCI_ID_ID_MSK		0x00ff0000
#define MSC01_PCI_ID_ID_HOSTBRIDGE	82
#define MSC01_PCI_ID_MAR_SHF		8
#define MSC01_PCI_ID_MAR_MSK		0x0000ff00
#define MSC01_PCI_ID_MIR_SHF		0
#define MSC01_PCI_ID_MIR_MSK		0x000000ff

#define MSC01_PCI_SC2PMBASL_BAS_SHF	24
#define MSC01_PCI_SC2PMBASL_BAS_MSK	0xff000000

#define MSC01_PCI_SC2PMMSKL_MSK_SHF	24
#define MSC01_PCI_SC2PMMSKL_MSK_MSK	0xff000000

#define MSC01_PCI_SC2PMMAPL_MAP_SHF	24
#define MSC01_PCI_SC2PMMAPL_MAP_MSK	0xff000000

#define MSC01_PCI_SC2PIOBASL_BAS_SHF	24
#define MSC01_PCI_SC2PIOBASL_BAS_MSK	0xff000000

#define MSC01_PCI_SC2PIOMSKL_MSK_SHF	24
#define MSC01_PCI_SC2PIOMSKL_MSK_MSK	0xff000000

#define MSC01_PCI_SC2PIOMAPL_MAP_SHF	24
#define MSC01_PCI_SC2PIOMAPL_MAP_MSK	0xff000000

#define MSC01_PCI_P2SCMSKL_MSK_SHF	24
#define MSC01_PCI_P2SCMSKL_MSK_MSK	0xff000000

#define MSC01_PCI_P2SCMAPL_MAP_SHF	24
#define MSC01_PCI_P2SCMAPL_MAP_MSK	0xff000000

#define MSC01_PCI_INTCFG_RST_SHF	10
#define MSC01_PCI_INTCFG_RST_MSK	0x00000400
#define MSC01_PCI_INTCFG_RST_BIT	0x00000400
#define MSC01_PCI_INTCFG_MWE_SHF	9
#define MSC01_PCI_INTCFG_MWE_MSK	0x00000200
#define MSC01_PCI_INTCFG_MWE_BIT	0x00000200
#define MSC01_PCI_INTCFG_DTO_SHF	8
#define MSC01_PCI_INTCFG_DTO_MSK	0x00000100
#define MSC01_PCI_INTCFG_DTO_BIT	0x00000100
#define MSC01_PCI_INTCFG_MA_SHF		7
#define MSC01_PCI_INTCFG_MA_MSK		0x00000080
#define MSC01_PCI_INTCFG_MA_BIT		0x00000080
#define MSC01_PCI_INTCFG_TA_SHF		6
#define MSC01_PCI_INTCFG_TA_MSK		0x00000040
#define MSC01_PCI_INTCFG_TA_BIT		0x00000040
#define MSC01_PCI_INTCFG_RTY_SHF	5
#define MSC01_PCI_INTCFG_RTY_MSK	0x00000020
#define MSC01_PCI_INTCFG_RTY_BIT	0x00000020
#define MSC01_PCI_INTCFG_MWP_SHF	4
#define MSC01_PCI_INTCFG_MWP_MSK	0x00000010
#define MSC01_PCI_INTCFG_MWP_BIT	0x00000010
#define MSC01_PCI_INTCFG_MRP_SHF	3
#define MSC01_PCI_INTCFG_MRP_MSK	0x00000008
#define MSC01_PCI_INTCFG_MRP_BIT	0x00000008
#define MSC01_PCI_INTCFG_SWP_SHF	2
#define MSC01_PCI_INTCFG_SWP_MSK	0x00000004
#define MSC01_PCI_INTCFG_SWP_BIT	0x00000004
#define MSC01_PCI_INTCFG_SRP_SHF	1
#define MSC01_PCI_INTCFG_SRP_MSK	0x00000002
#define MSC01_PCI_INTCFG_SRP_BIT	0x00000002
#define MSC01_PCI_INTCFG_SE_SHF		0
#define MSC01_PCI_INTCFG_SE_MSK		0x00000001
#define MSC01_PCI_INTCFG_SE_BIT		0x00000001

#define MSC01_PCI_INTSTAT_RST_SHF	10
#define MSC01_PCI_INTSTAT_RST_MSK	0x00000400
#define MSC01_PCI_INTSTAT_RST_BIT	0x00000400
#define MSC01_PCI_INTSTAT_MWE_SHF	9
#define MSC01_PCI_INTSTAT_MWE_MSK	0x00000200
#define MSC01_PCI_INTSTAT_MWE_BIT	0x00000200
#define MSC01_PCI_INTSTAT_DTO_SHF	8
#define MSC01_PCI_INTSTAT_DTO_MSK	0x00000100
#define MSC01_PCI_INTSTAT_DTO_BIT	0x00000100
#define MSC01_PCI_INTSTAT_MA_SHF	7
#define MSC01_PCI_INTSTAT_MA_MSK	0x00000080
#define MSC01_PCI_INTSTAT_MA_BIT	0x00000080
#define MSC01_PCI_INTSTAT_TA_SHF	6
#define MSC01_PCI_INTSTAT_TA_MSK	0x00000040
#define MSC01_PCI_INTSTAT_TA_BIT	0x00000040
#define MSC01_PCI_INTSTAT_RTY_SHF	5
#define MSC01_PCI_INTSTAT_RTY_MSK	0x00000020
#define MSC01_PCI_INTSTAT_RTY_BIT	0x00000020
#define MSC01_PCI_INTSTAT_MWP_SHF	4
#define MSC01_PCI_INTSTAT_MWP_MSK	0x00000010
#define MSC01_PCI_INTSTAT_MWP_BIT	0x00000010
#define MSC01_PCI_INTSTAT_MRP_SHF	3
#define MSC01_PCI_INTSTAT_MRP_MSK	0x00000008
#define MSC01_PCI_INTSTAT_MRP_BIT	0x00000008
#define MSC01_PCI_INTSTAT_SWP_SHF	2
#define MSC01_PCI_INTSTAT_SWP_MSK	0x00000004
#define MSC01_PCI_INTSTAT_SWP_BIT	0x00000004
#define MSC01_PCI_INTSTAT_SRP_SHF	1
#define MSC01_PCI_INTSTAT_SRP_MSK	0x00000002
#define MSC01_PCI_INTSTAT_SRP_BIT	0x00000002
#define MSC01_PCI_INTSTAT_SE_SHF	0
#define MSC01_PCI_INTSTAT_SE_MSK	0x00000001
#define MSC01_PCI_INTSTAT_SE_BIT	0x00000001

#define MSC01_PCI_CFGADDR_BNUM_SHF	16
#define MSC01_PCI_CFGADDR_BNUM_MSK	0x00ff0000
#define MSC01_PCI_CFGADDR_DNUM_SHF	11
#define MSC01_PCI_CFGADDR_DNUM_MSK	0x0000f800
#define MSC01_PCI_CFGADDR_FNUM_SHF	8
#define MSC01_PCI_CFGADDR_FNUM_MSK	0x00000700
#define MSC01_PCI_CFGADDR_RNUM_SHF	2
#define MSC01_PCI_CFGADDR_RNUM_MSK	0x000000fc

#define MSC01_PCI_CFGDATA_DATA_SHF	0
#define MSC01_PCI_CFGDATA_DATA_MSK	0xffffffff

/* The defines below are ONLY valid for a MEM bar! */
#define MSC01_PCI_BAR0_SIZE_SHF		4
#define MSC01_PCI_BAR0_SIZE_MSK		0xfffffff0
#define MSC01_PCI_BAR0_P_SHF		3
#define MSC01_PCI_BAR0_P_MSK		0x00000008
#define MSC01_PCI_BAR0_P_BIT		MSC01_PCI_BAR0_P_MSK
#define MSC01_PCI_BAR0_D_SHF		1
#define MSC01_PCI_BAR0_D_MSK		0x00000006
#define MSC01_PCI_BAR0_T_SHF		0
#define MSC01_PCI_BAR0_T_MSK		0x00000001
#define MSC01_PCI_BAR0_T_BIT		MSC01_PCI_BAR0_T_MSK


#define MSC01_PCI_CFG_RA_SHF		17
#define MSC01_PCI_CFG_RA_MSK		0x00020000
#define MSC01_PCI_CFG_RA_BIT		MSC01_PCI_CFG_RA_MSK
#define MSC01_PCI_CFG_G_SHF		16
#define MSC01_PCI_CFG_G_MSK		0x00010000
#define MSC01_PCI_CFG_G_BIT		MSC01_PCI_CFG_G_MSK
#define MSC01_PCI_CFG_EN_SHF		15
#define MSC01_PCI_CFG_EN_MSK		0x00008000
#define MSC01_PCI_CFG_EN_BIT		MSC01_PCI_CFG_EN_MSK
#define MSC01_PCI_CFG_MAXRTRY_SHF	0
#define MSC01_PCI_CFG_MAXRTRY_MSK	0x00000fff

#define MSC01_PCI_SWAP_IO_SHF		18
#define MSC01_PCI_SWAP_IO_MSK		0x000c0000
#define MSC01_PCI_SWAP_MEM_SHF		16
#define MSC01_PCI_SWAP_MEM_MSK		0x00030000
#define MSC01_PCI_SWAP_BAR0_SHF		0
#define MSC01_PCI_SWAP_BAR0_MSK		0x00000003
#define MSC01_PCI_SWAP_NOSWAP		0
#define MSC01_PCI_SWAP_BYTESWAP		1

/*
 * MIPS System controller PCI register base.
 *
 * FIXME - are these macros specific to Malta and co or to the MSC?  If the
 * latter, they should be moved elsewhere.
 */
#define MIPS_MSC01_PCI_REG_BASE		0x1bd00000
#define MIPS_SOCITSC_PCI_REG_BASE	0x1ff10000

extern unsigned long _pcictrl_msc;

#define MSC01_PCI_REG_BASE	_pcictrl_msc

#define MSC_WRITE(reg, data)	do { *(volatile u32 *)(reg) = data; } while (0)
#define MSC_READ(reg, data)	do { data = *(volatile u32 *)(reg); } while (0)

/*
 * Registers absolute addresses
 */

#define MSC01_PCI_ID		(MSC01_PCI_REG_BASE + MSC01_PCI_ID_OFS)
#define MSC01_PCI_SC2PMBASL	(MSC01_PCI_REG_BASE + MSC01_PCI_SC2PMBASL_OFS)
#define MSC01_PCI_SC2PMMSKL	(MSC01_PCI_REG_BASE + MSC01_PCI_SC2PMMSKL_OFS)
#define MSC01_PCI_SC2PMMAPL	(MSC01_PCI_REG_BASE + MSC01_PCI_SC2PMMAPL_OFS)
#define MSC01_PCI_SC2PIOBASL	(MSC01_PCI_REG_BASE + MSC01_PCI_SC2PIOBASL_OFS)
#define MSC01_PCI_SC2PIOMSKL	(MSC01_PCI_REG_BASE + MSC01_PCI_SC2PIOMSKL_OFS)
#define MSC01_PCI_SC2PIOMAPL	(MSC01_PCI_REG_BASE + MSC01_PCI_SC2PIOMAPL_OFS)
#define MSC01_PCI_P2SCMSKL	(MSC01_PCI_REG_BASE + MSC01_PCI_P2SCMSKL_OFS)
#define MSC01_PCI_P2SCMAPL	(MSC01_PCI_REG_BASE + MSC01_PCI_P2SCMAPL_OFS)
#define MSC01_PCI_INTCFG	(MSC01_PCI_REG_BASE + MSC01_PCI_INTCFG_OFS)
#define MSC01_PCI_INTSTAT	(MSC01_PCI_REG_BASE + MSC01_PCI_INTSTAT_OFS)
#define MSC01_PCI_CFGADDR	(MSC01_PCI_REG_BASE + MSC01_PCI_CFGADDR_OFS)
#define MSC01_PCI_CFGDATA	(MSC01_PCI_REG_BASE + MSC01_PCI_CFGDATA_OFS)
#define MSC01_PCI_IACK		(MSC01_PCI_REG_BASE + MSC01_PCI_IACK_OFS)
#define MSC01_PCI_HEAD0		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD0_OFS)
#define MSC01_PCI_HEAD1		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD1_OFS)
#define MSC01_PCI_HEAD2		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD2_OFS)
#define MSC01_PCI_HEAD3		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD3_OFS)
#define MSC01_PCI_HEAD4		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD4_OFS)
#define MSC01_PCI_HEAD5		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD5_OFS)
#define MSC01_PCI_HEAD6		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD6_OFS)
#define MSC01_PCI_HEAD7		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD7_OFS)
#define MSC01_PCI_HEAD8		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD8_OFS)
#define MSC01_PCI_HEAD9		(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD9_OFS)
#define MSC01_PCI_HEAD10	(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD10_OFS)
#define MSC01_PCI_HEAD11	(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
#define MSC01_PCI_HEAD12	(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
#define MSC01_PCI_HEAD13	(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
#define MSC01_PCI_HEAD14	(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
#define MSC01_PCI_HEAD15	(MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
#define MSC01_PCI_BAR0		(MSC01_PCI_REG_BASE + MSC01_PCI_BAR0_OFS)
#define MSC01_PCI_CFG		(MSC01_PCI_REG_BASE + MSC01_PCI_CFG_OFS)
#define MSC01_PCI_SWAP		(MSC01_PCI_REG_BASE + MSC01_PCI_SWAP_OFS)

#endif /* __ASM_MIPS_BOARDS_MSC01_PCI_H */