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Release 4.14 arch/alpha/include/asm/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; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)15100.00%2100.00%
Total15100.00%2100.00%


__EXTERN_INLINE int tsunami_is_mmio(const volatile void __iomem *xaddr) { unsigned long addr = (unsigned long) xaddr; return (addr & 0x100000000UL) == 0; }

Contributors

PersonTokensPropCommitsCommitProp
Richard Henderson1959.38%240.00%
Linus Torvalds (pre-git)1340.62%360.00%
Total32100.00%5100.00%

#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__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)99094.11%853.33%
Richard Henderson494.66%213.33%
Linus Torvalds80.76%320.00%
Jay Estabrook40.38%16.67%
Greg Kroah-Hartman10.10%16.67%
Total1052100.00%15100.00%
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