#ifndef __ALPHA_TSUNAMI__H__ #define __ALPHA_TSUNAMI__H__ #include #include /* * TSUNAMI/TYPHOON are the internal names for the core logic chipset which * provides memory controller and PCI access for the 21264 based systems. * * This file is based on: * * Tsunami System Programmers Manual * Preliminary, Chapters 2-5 * */ /* XXX: Do we need to conditionalize on this? */ #ifdef USE_48_BIT_KSEG #define TS_BIAS 0x80000000000UL #else #define TS_BIAS 0x10000000000UL #endif /* * CChip, DChip, and PChip registers */ typedef struct { volatile unsigned long csr __attribute__((aligned(64))); } tsunami_64; typedef struct { tsunami_64 csc; tsunami_64 mtr; tsunami_64 misc; tsunami_64 mpd; tsunami_64 aar0; tsunami_64 aar1; tsunami_64 aar2; tsunami_64 aar3; tsunami_64 dim0; tsunami_64 dim1; tsunami_64 dir0; tsunami_64 dir1; tsunami_64 drir; tsunami_64 prben; tsunami_64 iic; /* a.k.a. iic0 */ tsunami_64 wdr; /* a.k.a. iic1 */ tsunami_64 mpr0; tsunami_64 mpr1; tsunami_64 mpr2; tsunami_64 mpr3; tsunami_64 mctl; tsunami_64 __pad1; tsunami_64 ttr; tsunami_64 tdr; tsunami_64 dim2; tsunami_64 dim3; tsunami_64 dir2; tsunami_64 dir3; tsunami_64 iic2; tsunami_64 iic3; } tsunami_cchip; typedef struct { tsunami_64 dsc; tsunami_64 str; tsunami_64 drev; } tsunami_dchip; typedef struct { tsunami_64 wsba[4]; tsunami_64 wsm[4]; tsunami_64 tba[4]; tsunami_64 pctl; tsunami_64 plat; tsunami_64 reserved; tsunami_64 perror; tsunami_64 perrmask; tsunami_64 perrset; tsunami_64 tlbiv; tsunami_64 tlbia; tsunami_64 pmonctl; tsunami_64 pmoncnt; } tsunami_pchip; #define TSUNAMI_cchip ((tsunami_cchip *)(IDENT_ADDR+TS_BIAS+0x1A0000000UL)) #define TSUNAMI_dchip ((tsunami_dchip *)(IDENT_ADDR+TS_BIAS+0x1B0000800UL)) #define TSUNAMI_pchip0 ((tsunami_pchip *)(IDENT_ADDR+TS_BIAS+0x180000000UL)) #define TSUNAMI_pchip1 ((tsunami_pchip *)(IDENT_ADDR+TS_BIAS+0x380000000UL)) extern int TSUNAMI_bootcpu; /* * TSUNAMI Pchip Error register. */ #define perror_m_lost 0x1 #define perror_m_serr 0x2 #define perror_m_perr 0x4 #define perror_m_dcrto 0x8 #define perror_m_sge 0x10 #define perror_m_ape 0x20 #define perror_m_ta 0x40 #define perror_m_rdpe 0x80 #define perror_m_nds 0x100 #define perror_m_rto 0x200 #define perror_m_uecc 0x400 #define perror_m_cre 0x800 #define perror_m_addrl 0xFFFFFFFF0000UL #define perror_m_addrh 0x7000000000000UL #define perror_m_cmd 0xF0000000000000UL #define perror_m_syn 0xFF00000000000000UL union TPchipPERROR { struct { unsigned int perror_v_lost : 1; unsigned perror_v_serr : 1; unsigned perror_v_perr : 1; unsigned perror_v_dcrto : 1; unsigned perror_v_sge : 1; unsigned perror_v_ape : 1; unsigned perror_v_ta : 1; unsigned perror_v_rdpe : 1; unsigned perror_v_nds : 1; unsigned perror_v_rto : 1; unsigned perror_v_uecc : 1; unsigned perror_v_cre : 1; unsigned perror_v_rsvd1 : 4; unsigned perror_v_addrl : 32; unsigned perror_v_addrh : 3; unsigned perror_v_rsvd2 : 1; unsigned perror_v_cmd : 4; unsigned perror_v_syn : 8; } perror_r_bits; int perror_q_whole [2]; }; /* * TSUNAMI Pchip Window Space Base Address register. */ #define wsba_m_ena 0x1 #define wsba_m_sg 0x2 #define wsba_m_ptp 0x4 #define wsba_m_addr 0xFFF00000 #define wmask_k_sz1gb 0x3FF00000 union TPchipWSBA { struct { unsigned wsba_v_ena : 1; unsigned wsba_v_sg : 1; unsigned wsba_v_ptp : 1; unsigned wsba_v_rsvd1 : 17; unsigned wsba_v_addr : 12; unsigned wsba_v_rsvd2 : 32; } wsba_r_bits; int wsba_q_whole [2]; }; /* * TSUNAMI Pchip Control Register */ #define pctl_m_fdsc 0x1 #define pctl_m_fbtb 0x2 #define pctl_m_thdis 0x4 #define pctl_m_chaindis 0x8 #define pctl_m_tgtlat 0x10 #define pctl_m_hole 0x20 #define pctl_m_mwin 0x40 #define pctl_m_arbena 0x80 #define pctl_m_prigrp 0x7F00 #define pctl_m_ppri 0x8000 #define pctl_m_rsvd1 0x30000 #define pctl_m_eccen 0x40000 #define pctl_m_padm 0x80000 #define pctl_m_cdqmax 0xF00000 #define pctl_m_rev 0xFF000000 #define pctl_m_crqmax 0xF00000000UL #define pctl_m_ptpmax 0xF000000000UL #define pctl_m_pclkx 0x30000000000UL #define pctl_m_fdsdis 0x40000000000UL #define pctl_m_fdwdis 0x80000000000UL #define pctl_m_ptevrfy 0x100000000000UL #define pctl_m_rpp 0x200000000000UL #define pctl_m_pid 0xC00000000000UL #define pctl_m_rsvd2 0xFFFF000000000000UL union TPchipPCTL { struct { unsigned pctl_v_fdsc : 1; unsigned pctl_v_fbtb : 1; unsigned pctl_v_thdis : 1; unsigned pctl_v_chaindis : 1; unsigned pctl_v_tgtlat : 1; unsigned pctl_v_hole : 1; unsigned pctl_v_mwin : 1; unsigned pctl_v_arbena : 1; unsigned pctl_v_prigrp : 7; unsigned pctl_v_ppri : 1; unsigned pctl_v_rsvd1 : 2; unsigned pctl_v_eccen : 1; unsigned pctl_v_padm : 1; unsigned pctl_v_cdqmax : 4; unsigned pctl_v_rev : 8; unsigned pctl_v_crqmax : 4; unsigned pctl_v_ptpmax : 4; unsigned pctl_v_pclkx : 2; unsigned pctl_v_fdsdis : 1; unsigned pctl_v_fdwdis : 1; unsigned pctl_v_ptevrfy : 1; unsigned pctl_v_rpp : 1; unsigned pctl_v_pid : 2; unsigned pctl_v_rsvd2 : 16; } pctl_r_bits; int pctl_q_whole [2]; }; /* * TSUNAMI Pchip Error Mask Register. */ #define perrmask_m_lost 0x1 #define perrmask_m_serr 0x2 #define perrmask_m_perr 0x4 #define perrmask_m_dcrto 0x8 #define perrmask_m_sge 0x10 #define perrmask_m_ape 0x20 #define perrmask_m_ta 0x40 #define perrmask_m_rdpe 0x80 #define perrmask_m_nds 0x100 #define perrmask_m_rto 0x200 #define perrmask_m_uecc 0x400 #define perrmask_m_cre 0x800 #define perrmask_m_rsvd 0xFFFFFFFFFFFFF000UL union TPchipPERRMASK { struct { unsigned int perrmask_v_lost : 1; unsigned perrmask_v_serr : 1; unsigned perrmask_v_perr : 1; unsigned perrmask_v_dcrto : 1; unsigned perrmask_v_sge : 1; unsigned perrmask_v_ape : 1; unsigned perrmask_v_ta : 1; unsigned perrmask_v_rdpe : 1; unsigned perrmask_v_nds : 1; unsigned perrmask_v_rto : 1; unsigned perrmask_v_uecc : 1; unsigned perrmask_v_cre : 1; unsigned perrmask_v_rsvd1 : 20; unsigned perrmask_v_rsvd2 : 32; } perrmask_r_bits; int perrmask_q_whole [2]; }; /* * Memory spaces: */ #define TSUNAMI_HOSE(h) (((unsigned long)(h)) << 33) #define TSUNAMI_BASE (IDENT_ADDR + TS_BIAS) #define TSUNAMI_MEM(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x000000000UL) #define _TSUNAMI_IACK_SC(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1F8000000UL) #define TSUNAMI_IO(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1FC000000UL) #define TSUNAMI_CONF(h) (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1FE000000UL) #define TSUNAMI_IACK_SC _TSUNAMI_IACK_SC(0) /* hack! */ /* * The canonical non-remaped I/O and MEM addresses have these values * subtracted out. This is arranged so that folks manipulating ISA * devices can use their familiar numbers and have them map to bus 0. */ #define TSUNAMI_IO_BIAS TSUNAMI_IO(0) #define TSUNAMI_MEM_BIAS TSUNAMI_MEM(0) /* The IO address space is larger than 0xffff */ #define TSUNAMI_IO_SPACE (TSUNAMI_CONF(0) - TSUNAMI_IO(0)) /* Offset between ram physical addresses and pci64 DAC bus addresses. */ #define TSUNAMI_DAC_OFFSET (1UL << 40) /* * Data structure for handling TSUNAMI machine checks: */ struct el_TSUNAMI_sysdata_mcheck { }; #ifdef __KERNEL__ #ifndef __EXTERN_INLINE #define __EXTERN_INLINE extern inline #define __IO_EXTERN_INLINE #endif /* * I/O functions: * * TSUNAMI, the 21??? PCI/memory support chipset for the EV6 (21264) * can only use linear accesses to get at PCI memory and I/O spaces. */ #define vucp volatile unsigned char * #define vusp volatile unsigned short * #define vuip volatile unsigned int * #define vulp volatile unsigned long * __EXTERN_INLINE u8 tsunami_inb(unsigned long addr) { /* ??? I wish I could get rid of this. But there's no ioremap equivalent for I/O space. PCI I/O can be forced into the correct hose's I/O region, but that doesn't take care of legacy ISA crap. */ addr += TSUNAMI_IO_BIAS; return __kernel_ldbu(*(vucp)addr); } __EXTERN_INLINE void tsunami_outb(u8 b, unsigned long addr) { addr += TSUNAMI_IO_BIAS; __kernel_stb(b, *(vucp)addr); mb(); } __EXTERN_INLINE u16 tsunami_inw(unsigned long addr) { addr += TSUNAMI_IO_BIAS; return __kernel_ldwu(*(vusp)addr); } __EXTERN_INLINE void tsunami_outw(u16 b, unsigned long addr) { addr += TSUNAMI_IO_BIAS; __kernel_stw(b, *(vusp)addr); mb(); } __EXTERN_INLINE u32 tsunami_inl(unsigned long addr) { addr += TSUNAMI_IO_BIAS; return *(vuip)addr; } __EXTERN_INLINE void tsunami_outl(u32 b, unsigned long addr) { addr += TSUNAMI_IO_BIAS; *(vuip)addr = b; mb(); } /* * Memory functions. all accesses are done through linear space. */ __EXTERN_INLINE unsigned long tsunami_ioremap(unsigned long addr, unsigned long size __attribute__((unused))) { return addr + TSUNAMI_MEM_BIAS; } __EXTERN_INLINE void tsunami_iounmap(unsigned long addr) { return; } __EXTERN_INLINE int tsunami_is_ioaddr(unsigned long addr) { return addr >= TSUNAMI_BASE; } __EXTERN_INLINE u8 tsunami_readb(unsigned long addr) { return __kernel_ldbu(*(vucp)addr); } __EXTERN_INLINE u16 tsunami_readw(unsigned long addr) { return __kernel_ldwu(*(vusp)addr); } __EXTERN_INLINE u32 tsunami_readl(unsigned long addr) { return *(vuip)addr; } __EXTERN_INLINE u64 tsunami_readq(unsigned long addr) { return *(vulp)addr; } __EXTERN_INLINE void tsunami_writeb(u8 b, unsigned long addr) { __kernel_stb(b, *(vucp)addr); } __EXTERN_INLINE void tsunami_writew(u16 b, unsigned long addr) { __kernel_stw(b, *(vusp)addr); } __EXTERN_INLINE void tsunami_writel(u32 b, unsigned long addr) { *(vuip)addr = b; } __EXTERN_INLINE void tsunami_writeq(u64 b, unsigned long addr) { *(vulp)addr = b; } #undef vucp #undef vusp #undef vuip #undef vulp #ifdef __WANT_IO_DEF #define __inb(p) tsunami_inb((unsigned long)(p)) #define __inw(p) tsunami_inw((unsigned long)(p)) #define __inl(p) tsunami_inl((unsigned long)(p)) #define __outb(x,p) tsunami_outb((x),(unsigned long)(p)) #define __outw(x,p) tsunami_outw((x),(unsigned long)(p)) #define __outl(x,p) tsunami_outl((x),(unsigned long)(p)) #define __readb(a) tsunami_readb((unsigned long)(a)) #define __readw(a) tsunami_readw((unsigned long)(a)) #define __readl(a) tsunami_readl((unsigned long)(a)) #define __readq(a) tsunami_readq((unsigned long)(a)) #define __writeb(x,a) tsunami_writeb((x),(unsigned long)(a)) #define __writew(x,a) tsunami_writew((x),(unsigned long)(a)) #define __writel(x,a) tsunami_writel((x),(unsigned long)(a)) #define __writeq(x,a) tsunami_writeq((x),(unsigned long)(a)) #define __ioremap(a,s) tsunami_ioremap((unsigned long)(a),(s)) #define __iounmap(a) tsunami_iounmap((unsigned long)(a)) #define __is_ioaddr(a) tsunami_is_ioaddr((unsigned long)(a)) #define inb(p) __inb(p) #define inw(p) __inw(p) #define inl(p) __inl(p) #define outb(x,p) __outb((x),(p)) #define outw(x,p) __outw((x),(p)) #define outl(x,p) __outl((x),(p)) #define __raw_readb(a) __readb(a) #define __raw_readw(a) __readw(a) #define __raw_readl(a) __readl(a) #define __raw_readq(a) __readq(a) #define __raw_writeb(v,a) __writeb((v),(a)) #define __raw_writew(v,a) __writew((v),(a)) #define __raw_writel(v,a) __writel((v),(a)) #define __raw_writeq(v,a) __writeq((v),(a)) #endif /* __WANT_IO_DEF */ #ifdef __IO_EXTERN_INLINE #undef __EXTERN_INLINE #undef __IO_EXTERN_INLINE #endif #endif /* __KERNEL__ */ #endif /* __ALPHA_TSUNAMI__H__ */