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Staging: vme: add Universe I/II bridge driver 

Currently this code doesn't compile, so it is disabled.

That should be fixed up...

Signed-off-by: Martyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Martyn Welch 2009-07-31 09:28:17 +01:00 committed by Greg Kroah-Hartman
parent f00a86d98a
commit 60479690af
6 changed files with 2225 additions and 2 deletions
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2
drivers/staging/vme/Kconfig
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@ -10,7 +10,7 @@ menuconfig VME
if VME
#source "drivers/staging/vme/bridges/Kconfig"
source "drivers/staging/vme/bridges/Kconfig"
source "drivers/staging/vme/devices/Kconfig"

2
drivers/staging/vme/Makefile
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@ -3,5 +3,5 @@
#
obj-$(CONFIG_VME) += vme.o
#obj-y += bridges/
obj-y += bridges/
obj-y += devices/

8
drivers/staging/vme/bridges/Kconfig Normal file
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@ -0,0 +1,8 @@
comment "VME Bridge Drivers"
config VME_CA91CX42
tristate "Universe I/II"
depends on BROKEN
help
If you say Y here you get support for the Tundra CA91C042 (Universe I)
and CA91C142 (Universe II) VME bridge chips.

1
drivers/staging/vme/bridges/Makefile Normal file
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@ -0,0 +1 @@
obj-$(CONFIG_VME_CA91CX42) += vme_ca91cx42.o

1811
drivers/staging/vme/bridges/vme_ca91cx42.c Normal file
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File diff suppressed because it is too large Load Diff

403
drivers/staging/vme/bridges/vme_ca91cx42.h Normal file
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@ -0,0 +1,403 @@
/*
* ca91c042.h
*
* Support for the Tundra Universe 1 and Universe II VME bridge chips
*
* Author: Tom Armistead
* Updated and maintained by Ajit Prem
* Copyright 2004 Motorola Inc.
*
* Derived from ca91c042.h by Michael Wyrick
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#ifndef _ca91c042_h
#define _ca91c042_h
#ifndef PCI_VENDOR_ID_TUNDRA
#define PCI_VENDOR_ID_TUNDRA 0x10e3
#endif
#ifndef PCI_DEVICE_ID_TUNDRA_CA91C042
#define PCI_DEVICE_ID_TUNDRA_CA91C042 0x0000
#endif
//-----------------------------------------------------------------------------
// Public Functions
//-----------------------------------------------------------------------------
// This is the typedef for a VmeIrqHandler
typedef void (*TirqHandler) (int vmeirq, int vector, void *dev_id,
struct pt_regs * regs);
// This is the typedef for a DMA Transfer Callback function
typedef void (*TDMAcallback) (int status);
// Returns the PCI baseaddress of the Universe chip
char *Universe_BaseAddr(void);
// Returns the PCI IRQ That the universe is using
int Universe_IRQ(void);
char *mapvme(unsigned int pci, unsigned int vme, unsigned int size,
int image, int ctl);
void unmapvme(char *ptr, int image);
// Interrupt Stuff
void enable_vmeirq(unsigned int irq);
void disable_vmeirq(unsigned int irq);
int request_vmeirq(unsigned int irq, TirqHandler);
void free_vmeirq(unsigned int irq);
// DMA Stuff
int VME_Bus_Error(void);
int uni_procinfo(char *);
#define IRQ_VOWN 0x0001
#define IRQ_VIRQ1 0x0002
#define IRQ_VIRQ2 0x0004
#define IRQ_VIRQ3 0x0008
#define IRQ_VIRQ4 0x0010
#define IRQ_VIRQ5 0x0020
#define IRQ_VIRQ6 0x0040
#define IRQ_VIRQ7 0x0080
#define IRQ_DMA 0x0100
#define IRQ_LERR 0x0200
#define IRQ_VERR 0x0400
#define IRQ_res 0x0800
#define IRQ_IACK 0x1000
#define IRQ_SWINT 0x2000
#define IRQ_SYSFAIL 0x4000
#define IRQ_ACFAIL 0x8000
// See Page 2-77 in the Universe User Manual
typedef struct {
unsigned int dctl; // DMA Control
unsigned int dtbc; // Transfer Byte Count
unsigned int dlv; // PCI Address
unsigned int res1; // Reserved
unsigned int dva; // Vme Address
unsigned int res2; // Reserved
unsigned int dcpp; // Pointer to Numed Cmd Packet with rPN
unsigned int res3; // Reserved
} TDMA_Cmd_Packet;
/*
* Below here is normaly not used by a user module
*/
#define DMATIMEOUT 2*HZ;
// Define for the Universe
#define SEEK_SET 0
#define SEEK_CUR 1
#define CONFIG_REG_SPACE 0xA0000000
/* Universe Register Offsets */
/* general PCI configuration registers */
#define UNIV_PCI_ID 0x000
#define UNIV_PCI_CSR 0x004
#define UNIV_PCI_CLASS 0x008
#define UNIV_BM_PCI_CLASS_BASE 0xFF000000
#define UNIV_OF_PCI_CLASS_BASE 24
#define UNIV_BM_PCI_CLASS_SUB 0x00FF0000
#define UNIV_OF_PCI_CLASS_SUB 16
#define UNIV_BM_PCI_CLASS_PROG 0x0000FF00
#define UNIV_OF_PCI_CLASS_PROG 8
#define UNIV_BM_PCI_CLASS_RID 0x000000FF
#define UNIV_OF_PCI_CLASS_RID 0
#define UNIV_OF_PCI_CLASS_RID_UNIVERSE_I 0
#define UNIV_OF_PCI_CLASS_RID_UNIVERSE_II 1
#define UNIV_PCI_MISC0 0x00C
#define UNIV_BM_PCI_MISC0_BISTC 0x80000000
#define UNIV_BM_PCI_MISC0_SBIST 0x60000000
#define UNIV_BM_PCI_MISC0_CCODE 0x0F000000
#define UNIV_BM_PCI_MISC0_MFUNCT 0x00800000
#define UNIV_BM_PCI_MISC0_LAYOUT 0x007F0000
#define UNIV_BM_PCI_MISC0_LTIMER 0x0000FF00
#define UNIV_OF_PCI_MISC0_LTIMER 8
#define UNIV_PCI_BS 0x010
#define UNIV_PCI_MISC1 0x03C
#define UNIV_BM_LSI_CTL_EN 0x80000000
#define UNIV_BM_LSI_CTL_PWEN 0x40000000
#define UNIV_BM_LSI_CTL_VDW 0x00C00000
#define UNIV_OF_LSI_CTL_VDW 22
#define UNIV_BM_LSI_CTL_VAS 0x00070000
#define UNIV_OF_LSI_CTL_VAS 16
#define UNIV_BM_LSI_CTL_PGM 0x0000C000
#define UNIV_OF_LSI_CTL_PGM 14
#define UNIV_BM_LSI_CTL_SUPER 0x00003000
#define UNIV_OF_LSI_CTL_SUPER 12
#define UNIV_BM_LSI_CTL_VCT 0x00000100
#define UNIV_BM_LSI_CTL_LAS 0x00000003
#define UNIV_OF_LSI_CTL_LAS 0
#define UNIV_BM_LSI_CTL_RESERVED (~ (UNIV_BM_LSI_CTL_EN | UNIV_BM_LSI_CTL_PWEN | UNIV_BM_LSI_CTL_VDW | UNIV_BM_LSI_CTL_VAS | UNIV_BM_LSI_CTL_PGM | UNIV_BM_LSI_CTL_SUPER | UNIV_BM_LSI_CTL_VCT | UNIV_BM_LSI_CTL_LAS))
#define PCI_SIZE_8 0x0001
#define PCI_SIZE_16 0x0002
#define PCI_SIZE_32 0x0003
#define IOCTL_SET_CTL 0xF001
#define IOCTL_SET_BS 0xF002
#define IOCTL_SET_BD 0xF003
#define IOCTL_SET_TO 0xF004
#define IOCTL_PCI_SIZE 0xF005
#define IOCTL_SET_MODE 0xF006
#define IOCTL_SET_WINT 0xF007 // Wait for interrupt before read
#define LSI0_CTL 0x0100
#define LSI0_BS 0x0104
#define LSI0_BD 0x0108
#define LSI0_TO 0x010C
#define LSI1_CTL 0x0114
#define LSI1_BS 0x0118
#define LSI1_BD 0x011C
#define LSI1_TO 0x0120
#define LSI2_CTL 0x0128
#define LSI2_BS 0x012C
#define LSI2_BD 0x0130
#define LSI2_TO 0x0134
#define LSI3_CTL 0x013C
#define LSI3_BS 0x0140
#define LSI3_BD 0x0144
#define LSI3_TO 0x0148
#define LSI4_CTL 0x01A0
#define LSI4_BS 0x01A4
#define LSI4_BD 0x01A8
#define LSI4_TO 0x01AC
#define LSI5_CTL 0x01B4
#define LSI5_BS 0x01B8
#define LSI5_BD 0x01BC
#define LSI5_TO 0x01C0
#define LSI6_CTL 0x01C8
#define LSI6_BS 0x01CC
#define LSI6_BD 0x01D0
#define LSI6_TO 0x01D4
#define LSI7_CTL 0x01DC
#define LSI7_BS 0x01E0
#define LSI7_BD 0x01E4
#define LSI7_TO 0x01E8
#define SCYC_CTL 0x0170
#define SCYC_ADDR 0x0174
#define SCYC_EN 0x0178
#define SCYC_CMP 0x017C
#define SCYC_SWP 0x0180
#define LMISC 0x0184
#define UNIV_BM_LMISC_CRT 0xF0000000
#define UNIV_OF_LMISC_CRT 28
#define UNIV_BM_LMISC_CWT 0x0F000000
#define UNIV_OF_LMISC_CWT 24
#define SLSI 0x0188
#define UNIV_BM_SLSI_EN 0x80000000
#define UNIV_BM_SLSI_PWEN 0x40000000
#define UNIV_BM_SLSI_VDW 0x00F00000
#define UNIV_OF_SLSI_VDW 20
#define UNIV_BM_SLSI_PGM 0x0000F000
#define UNIV_OF_SLSI_PGM 12
#define UNIV_BM_SLSI_SUPER 0x00000F00
#define UNIV_OF_SLSI_SUPER 8
#define UNIV_BM_SLSI_BS 0x000000F6
#define UNIV_OF_SLSI_BS 2
#define UNIV_BM_SLSI_LAS 0x00000003
#define UNIV_OF_SLSI_LAS 0
#define UNIV_BM_SLSI_RESERVED 0x3F0F0000
#define L_CMDERR 0x018C
#define LAERR 0x0190
#define DCTL 0x0200
#define DTBC 0x0204
#define DLA 0x0208
#define DVA 0x0210
#define DCPP 0x0218
#define DGCS 0x0220
#define D_LLUE 0x0224
#define LINT_EN 0x0300
#define UNIV_BM_LINT_ACFAIL 0x00008000
#define UNIV_BM_LINT_SYSFAIL 0x00004000
#define UNIV_BM_LINT_SW_INT 0x00002000
#define UNIV_BM_LINT_SW_IACK 0x00001000
#define UNIV_BM_LINT_VERR 0x00000400
#define UNIV_BM_LINT_LERR 0x00000200
#define UNIV_BM_LINT_DMA 0x00000100
#define UNIV_BM_LINT_LM 0x00F00000
#define UNIV_BM_LINT_MBOX 0x000F0000
#define UNIV_BM_LINT_VIRQ 0x000000FE
#define UNIV_BM_LINT_VIRQ7 0x00000080
#define UNIV_BM_LINT_VIRQ6 0x00000040
#define UNIV_BM_LINT_VIRQ5 0x00000020
#define UNIV_BM_LINT_VIRQ4 0x00000010
#define UNIV_BM_LINT_VIRQ3 0x00000008
#define UNIV_BM_LINT_VIRQ2 0x00000004
#define UNIV_BM_LINT_VIRQ1 0x00000002
#define UNIV_BM_LINT_VOWN 0x00000001
#define LINT_STAT 0x0304
#define LINT_MAP0 0x0308
#define LINT_MAP1 0x030C
#define VINT_EN 0x0310
#define VINT_STAT 0x0314
#define VINT_MAP0 0x0318
#define VINT_MAP1 0x031C
#define STATID 0x0320
#define V1_STATID 0x0324
#define V2_STATID 0x0328
#define V3_STATID 0x032C
#define V4_STATID 0x0330
#define V5_STATID 0x0334
#define V6_STATID 0x0338
#define V7_STATID 0x033C
#define LINT_MAP2 0x0340
#define VINT_MAP2 0x0344
#define MBOX0 0x0348
#define MBOX1 0x034C
#define MBOX2 0x0350
#define MBOX3 0x0354
#define SEMA0 0x0358
#define SEMA1 0x035C
#define MAST_CTL 0x0400
#define UNIV_BM_MAST_CTL_MAXRTRY 0xF0000000
#define UNIV_OF_MAST_CTL_MAXRTRY 28
#define UNIV_BM_MAST_CTL_PWON 0x0F000000
#define UNIV_OF_MAST_CTL_PWON 24
#define UNIV_BM_MAST_CTL_VRL 0x00C00000
#define UNIV_OF_MAST_CTL_VRL 22
#define UNIV_BM_MAST_CTL_VRM 0x00200000
#define UNIV_BM_MAST_CTL_VREL 0x00100000
#define UNIV_BM_MAST_CTL_VOWN 0x00080000
#define UNIV_BM_MAST_CTL_VOWN_ACK 0x00040000
#define UNIV_BM_MAST_CTL_PABS 0x00001000
#define UNIV_BM_MAST_CTL_BUS_NO 0x0000000F
#define UNIV_OF_MAST_CTL_BUS_NO 0
#define MISC_CTL 0x0404
#define UNIV_BM_MISC_CTL_VBTO 0xF0000000
#define UNIV_OF_MISC_CTL_VBTO 28
#define UNIV_BM_MISC_CTL_VARB 0x04000000
#define UNIV_BM_MISC_CTL_VARBTO 0x03000000
#define UNIV_OF_MISC_CTL_VARBTO 24
#define UNIV_BM_MISC_CTL_SW_LRST 0x00800000
#define UNIV_BM_MISC_CTL_SW_SRST 0x00400000
#define UNIV_BM_MISC_CTL_BI 0x00100000
#define UNIV_BM_MISC_CTL_ENGBI 0x00080000
#define UNIV_BM_MISC_CTL_RESCIND 0x00040000
#define UNIV_BM_MISC_CTL_SYSCON 0x00020000
#define UNIV_BM_MISC_CTL_V64AUTO 0x00010000
#define UNIV_BM_MISC_CTL_RESERVED 0x0820FFFF
#define MISC_STAT 0x0408
#define UNIV_BM_MISC_STAT_ENDIAN 0x80000000
#define UNIV_BM_MISC_STAT_LCLSIZE 0x40000000
#define UNIV_BM_MISC_STAT_DY4AUTO 0x08000000
#define UNIV_BM_MISC_STAT_MYBBSY 0x00200000
#define UNIV_BM_MISC_STAT_DY4DONE 0x00080000
#define UNIV_BM_MISC_STAT_TXFE 0x00040000
#define UNIV_BM_MISC_STAT_RXFE 0x00020000
#define UNIV_BM_MISC_STAT_DY4AUTOID 0x0000FF00
#define UNIV_OF_MISC_STAT_DY4AUTOID 8
#define USER_AM 0x040C
#define VSI0_CTL 0x0F00
#define VSI0_BS 0x0F04
#define VSI0_BD 0x0F08
#define VSI0_TO 0x0F0C
#define VSI1_CTL 0x0F14
#define VSI1_BS 0x0F18
#define VSI1_BD 0x0F1C
#define VSI1_TO 0x0F20
#define VSI2_CTL 0x0F28
#define VSI2_BS 0x0F2C
#define VSI2_BD 0x0F30
#define VSI2_TO 0x0F34
#define VSI3_CTL 0x0F3C
#define VSI3_BS 0x0F40
#define VSI3_BD 0x0F44
#define VSI3_TO 0x0F48
#define LM_CTL 0x0F64
#define LM_BS 0x0F68
#define VRAI_CTL 0x0F70
#define UNIV_BM_VRAI_CTL_EN 0x80000000
#define UNIV_BM_VRAI_CTL_PGM 0x00C00000
#define UNIV_OF_VRAI_CTL_PGM 22
#define UNIV_BM_VRAI_CTL_SUPER 0x00300000
#define UNIV_OF_VRAI_CTL_SUPER 20
#define UNIV_BM_VRAI_CTL_VAS 0x00030000
#define UNIV_OF_VRAI_CTL_VAS 16
#define VRAI_BS 0x0F74
#define VCSR_CTL 0x0F80
#define VCSR_TO 0x0F84
#define V_AMERR 0x0F88
#define VAERR 0x0F8C
#define VSI4_CTL 0x0F90
#define VSI4_BS 0x0F94
#define VSI4_BD 0x0F98
#define VSI4_TO 0x0F9C
#define VSI5_CTL 0x0FA4
#define VSI5_BS 0x0FA8
#define VSI5_BD 0x0FAC
#define VSI5_TO 0x0FB0
#define VSI6_CTL 0x0FB8
#define VSI6_BS 0x0FBC
#define VSI6_BD 0x0FC0
#define VSI6_TO 0x0FC4
#define VSI7_CTL 0x0FCC
#define VSI7_BS 0x0FD0
#define VSI7_BD 0x0FD4
#define VSI7_TO 0x0FD8
#define VCSR_CLR 0x0FF4
#define VCSR_SET 0x0FF8
#define VCSR_BS 0x0FFC
// DMA General Control/Status Register DGCS (0x220)
// 32-24 || GO | STOPR | HALTR | 0 || CHAIN | 0 | 0 | 0 ||
// 23-16 || VON || VOFF ||
// 15-08 || ACT | STOP | HALT | 0 || DONE | LERR | VERR | P_ERR ||
// 07-00 || 0 | INT_S | INT_H | 0 || I_DNE | I_LER | I_VER | I_PER ||
// VON - Length Per DMA VMEBus Transfer
// 0000 = None
// 0001 = 256 Bytes
// 0010 = 512
// 0011 = 1024
// 0100 = 2048
// 0101 = 4096
// 0110 = 8192
// 0111 = 16384
// VOFF - wait between DMA tenures
// 0000 = 0 us
// 0001 = 16
// 0010 = 32
// 0011 = 64
// 0100 = 128
// 0101 = 256
// 0110 = 512
// 0111 = 1024
#endif /* _ca91c042_h */