core_tsunami.h
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上传日期:2013-04-10
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- #ifndef __ALPHA_TSUNAMI__H__
- #define __ALPHA_TSUNAMI__H__
- #include <linux/types.h>
- #include <asm/compiler.h>
- /*
- * 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 static 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__ */