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usr
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src
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linux-headers-6.8.0-36
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arch
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alpha
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include
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asm
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core_tsunami.h
/* SPDX-License-Identifier: GPL-2.0 */ #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 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. */ /* * Memory functions. all accesses are done through linear space. */ extern void __iomem *tsunami_ioportmap(unsigned long addr); extern void __iomem *tsunami_ioremap(unsigned long addr, unsigned long size); __EXTERN_INLINE int tsunami_is_ioaddr(unsigned long addr) { return addr >= TSUNAMI_BASE; } __EXTERN_INLINE int tsunami_is_mmio(const volatile void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; return (addr & 0x100000000UL) == 0; } #undef __IO_PREFIX #define __IO_PREFIX tsunami #define tsunami_trivial_rw_bw 1 #define tsunami_trivial_rw_lq 1 #define tsunami_trivial_io_bw 1 #define tsunami_trivial_io_lq 1 #define tsunami_trivial_iounmap 1 #include <asm/io_trivial.h> #ifdef __IO_EXTERN_INLINE #undef __EXTERN_INLINE #undef __IO_EXTERN_INLINE #endif #endif /* __KERNEL__ */ #endif /* __ALPHA_TSUNAMI__H__ */
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