2024-09-09 08:52:07 +00:00
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/*
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* include/asm-mips/txx9/tx4927pcic.h
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* TX4927 PCI controller definitions.
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#ifndef __ASM_TXX9_TX4927PCIC_H
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#define __ASM_TXX9_TX4927PCIC_H
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#include <linux/pci.h>
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#include <linux/irqreturn.h>
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struct tx4927_pcic_reg {
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u32 pciid;
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u32 pcistatus;
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u32 pciccrev;
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u32 pcicfg1;
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u32 p2gm0plbase; /* +10 */
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u32 p2gm0pubase;
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u32 p2gm1plbase;
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u32 p2gm1pubase;
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u32 p2gm2pbase; /* +20 */
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u32 p2giopbase;
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u32 unused0;
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u32 pcisid;
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u32 unused1; /* +30 */
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u32 pcicapptr;
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u32 unused2;
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u32 pcicfg2;
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u32 g2ptocnt; /* +40 */
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u32 unused3[15];
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u32 g2pstatus; /* +80 */
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u32 g2pmask;
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u32 pcisstatus;
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u32 pcimask;
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u32 p2gcfg; /* +90 */
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u32 p2gstatus;
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u32 p2gmask;
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u32 p2gccmd;
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u32 unused4[24]; /* +a0 */
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u32 pbareqport; /* +100 */
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u32 pbacfg;
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u32 pbastatus;
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u32 pbamask;
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u32 pbabm; /* +110 */
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u32 pbacreq;
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u32 pbacgnt;
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u32 pbacstate;
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u64 g2pmgbase[3]; /* +120 */
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u64 g2piogbase;
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u32 g2pmmask[3]; /* +140 */
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u32 g2piomask;
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u64 g2pmpbase[3]; /* +150 */
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u64 g2piopbase;
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u32 pciccfg; /* +170 */
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u32 pcicstatus;
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u32 pcicmask;
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u32 unused5;
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u64 p2gmgbase[3]; /* +180 */
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u64 p2giogbase;
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u32 g2pcfgadrs; /* +1a0 */
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u32 g2pcfgdata;
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u32 unused6[8];
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u32 g2pintack;
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u32 g2pspc;
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u32 unused7[12]; /* +1d0 */
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u64 pdmca; /* +200 */
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u64 pdmga;
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u64 pdmpa;
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u64 pdmctr;
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u64 pdmcfg; /* +220 */
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u64 pdmsts;
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};
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/* bits for PCICMD */
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/* see PCI_COMMAND_XXX in linux/pci_regs.h */
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/* bits for PCISTAT */
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/* see PCI_STATUS_XXX in linux/pci_regs.h */
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/* bits for IOBA/MBA */
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/* see PCI_BASE_ADDRESS_XXX in linux/pci_regs.h */
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/* bits for G2PSTATUS/G2PMASK */
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#define TX4927_PCIC_G2PSTATUS_ALL 0x00000003
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#define TX4927_PCIC_G2PSTATUS_TTOE 0x00000002
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#define TX4927_PCIC_G2PSTATUS_RTOE 0x00000001
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/* bits for PCIMASK (see also PCI_STATUS_XXX in linux/pci_regs.h */
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#define TX4927_PCIC_PCISTATUS_ALL 0x0000f900
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/* bits for PBACFG */
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#define TX4927_PCIC_PBACFG_FIXPA 0x00000008
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#define TX4927_PCIC_PBACFG_RPBA 0x00000004
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#define TX4927_PCIC_PBACFG_PBAEN 0x00000002
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#define TX4927_PCIC_PBACFG_BMCEN 0x00000001
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/* bits for PBASTATUS/PBAMASK */
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#define TX4927_PCIC_PBASTATUS_ALL 0x00000001
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#define TX4927_PCIC_PBASTATUS_BM 0x00000001
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/* bits for G2PMnGBASE */
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#define TX4927_PCIC_G2PMnGBASE_BSDIS 0x0000002000000000ULL
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#define TX4927_PCIC_G2PMnGBASE_ECHG 0x0000001000000000ULL
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/* bits for G2PIOGBASE */
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#define TX4927_PCIC_G2PIOGBASE_BSDIS 0x0000002000000000ULL
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#define TX4927_PCIC_G2PIOGBASE_ECHG 0x0000001000000000ULL
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/* bits for PCICSTATUS/PCICMASK */
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#define TX4927_PCIC_PCICSTATUS_ALL 0x000007b8
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#define TX4927_PCIC_PCICSTATUS_PME 0x00000400
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#define TX4927_PCIC_PCICSTATUS_TLB 0x00000200
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#define TX4927_PCIC_PCICSTATUS_NIB 0x00000100
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#define TX4927_PCIC_PCICSTATUS_ZIB 0x00000080
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#define TX4927_PCIC_PCICSTATUS_PERR 0x00000020
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#define TX4927_PCIC_PCICSTATUS_SERR 0x00000010
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#define TX4927_PCIC_PCICSTATUS_GBE 0x00000008
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#define TX4927_PCIC_PCICSTATUS_IWB 0x00000002
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#define TX4927_PCIC_PCICSTATUS_E2PDONE 0x00000001
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/* bits for PCICCFG */
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#define TX4927_PCIC_PCICCFG_GBWC_MASK 0x0fff0000
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#define TX4927_PCIC_PCICCFG_HRST 0x00000800
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#define TX4927_PCIC_PCICCFG_SRST 0x00000400
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#define TX4927_PCIC_PCICCFG_IRBER 0x00000200
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#define TX4927_PCIC_PCICCFG_G2PMEN(ch) (0x00000100>>(ch))
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#define TX4927_PCIC_PCICCFG_G2PM0EN 0x00000100
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#define TX4927_PCIC_PCICCFG_G2PM1EN 0x00000080
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#define TX4927_PCIC_PCICCFG_G2PM2EN 0x00000040
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#define TX4927_PCIC_PCICCFG_G2PIOEN 0x00000020
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#define TX4927_PCIC_PCICCFG_TCAR 0x00000010
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#define TX4927_PCIC_PCICCFG_ICAEN 0x00000008
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/* bits for P2GMnGBASE */
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#define TX4927_PCIC_P2GMnGBASE_TMEMEN 0x0000004000000000ULL
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#define TX4927_PCIC_P2GMnGBASE_TBSDIS 0x0000002000000000ULL
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#define TX4927_PCIC_P2GMnGBASE_TECHG 0x0000001000000000ULL
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/* bits for P2GIOGBASE */
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#define TX4927_PCIC_P2GIOGBASE_TIOEN 0x0000004000000000ULL
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#define TX4927_PCIC_P2GIOGBASE_TBSDIS 0x0000002000000000ULL
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#define TX4927_PCIC_P2GIOGBASE_TECHG 0x0000001000000000ULL
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#define TX4927_PCIC_IDSEL_AD_TO_SLOT(ad) ((ad) - 11)
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#define TX4927_PCIC_MAX_DEVNU TX4927_PCIC_IDSEL_AD_TO_SLOT(32)
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/* bits for PDMCFG */
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#define TX4927_PCIC_PDMCFG_RSTFIFO 0x00200000
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#define TX4927_PCIC_PDMCFG_EXFER 0x00100000
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#define TX4927_PCIC_PDMCFG_REQDLY_MASK 0x00003800
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#define TX4927_PCIC_PDMCFG_REQDLY_NONE (0 << 11)
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#define TX4927_PCIC_PDMCFG_REQDLY_16 (1 << 11)
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#define TX4927_PCIC_PDMCFG_REQDLY_32 (2 << 11)
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#define TX4927_PCIC_PDMCFG_REQDLY_64 (3 << 11)
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#define TX4927_PCIC_PDMCFG_REQDLY_128 (4 << 11)
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#define TX4927_PCIC_PDMCFG_REQDLY_256 (5 << 11)
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#define TX4927_PCIC_PDMCFG_REQDLY_512 (6 << 11)
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#define TX4927_PCIC_PDMCFG_REQDLY_1024 (7 << 11)
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#define TX4927_PCIC_PDMCFG_ERRIE 0x00000400
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#define TX4927_PCIC_PDMCFG_NCCMPIE 0x00000200
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#define TX4927_PCIC_PDMCFG_NTCMPIE 0x00000100
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#define TX4927_PCIC_PDMCFG_CHNEN 0x00000080
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#define TX4927_PCIC_PDMCFG_XFRACT 0x00000040
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#define TX4927_PCIC_PDMCFG_BSWAP 0x00000020
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#define TX4927_PCIC_PDMCFG_XFRSIZE_MASK 0x0000000c
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#define TX4927_PCIC_PDMCFG_XFRSIZE_1DW 0x00000000
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#define TX4927_PCIC_PDMCFG_XFRSIZE_1QW 0x00000004
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#define TX4927_PCIC_PDMCFG_XFRSIZE_4QW 0x00000008
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#define TX4927_PCIC_PDMCFG_XFRDIRC 0x00000002
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#define TX4927_PCIC_PDMCFG_CHRST 0x00000001
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/* bits for PDMSTS */
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#define TX4927_PCIC_PDMSTS_REQCNT_MASK 0x3f000000
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#define TX4927_PCIC_PDMSTS_FIFOCNT_MASK 0x00f00000
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#define TX4927_PCIC_PDMSTS_FIFOWP_MASK 0x000c0000
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#define TX4927_PCIC_PDMSTS_FIFORP_MASK 0x00030000
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#define TX4927_PCIC_PDMSTS_ERRINT 0x00000800
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#define TX4927_PCIC_PDMSTS_DONEINT 0x00000400
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#define TX4927_PCIC_PDMSTS_CHNEN 0x00000200
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#define TX4927_PCIC_PDMSTS_XFRACT 0x00000100
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#define TX4927_PCIC_PDMSTS_ACCMP 0x00000080
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#define TX4927_PCIC_PDMSTS_NCCMP 0x00000040
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#define TX4927_PCIC_PDMSTS_NTCMP 0x00000020
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#define TX4927_PCIC_PDMSTS_CFGERR 0x00000008
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#define TX4927_PCIC_PDMSTS_PCIERR 0x00000004
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#define TX4927_PCIC_PDMSTS_CHNERR 0x00000002
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#define TX4927_PCIC_PDMSTS_DATAERR 0x00000001
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#define TX4927_PCIC_PDMSTS_ALL_CMP 0x000000e0
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#define TX4927_PCIC_PDMSTS_ALL_ERR 0x0000000f
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struct tx4927_pcic_reg __iomem *get_tx4927_pcicptr(
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struct pci_controller *channel);
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void tx4927_pcic_setup(struct tx4927_pcic_reg __iomem *pcicptr,
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struct pci_controller *channel, int extarb);
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void tx4927_report_pcic_status(void);
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char *tx4927_pcibios_setup(char *str);
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void tx4927_dump_pcic_settings(void);
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irqreturn_t tx4927_pcierr_interrupt(int irq, void *dev_id);
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#endif /* __ASM_TXX9_TX4927PCIC_H */
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