pcifpga.h

em86xx 完整启动程序,支持网络下载与串通下载

/*****************************************
 Copyright (c) 2003-2004
 Sigma Designs, Inc. All Rights Reserved
 Proprietary and Confidential
 *****************************************/

/* This file is part of the EM86XX boot loader */

/*
 * pcifpga.c
 *
 * PCI through specially designed FPGA
 *
 * by Ho Lee 07/14/2003
 */

#ifndef __BOOTLOADER_PCIFPGA_H
#define __BOOTLOADER_PCIFPGA_H

#include "pcicommon.h"

//
// PCI FPGA specific
// 

#define PCIFPGA_IDSEL_FIRST         0x00
#define PCIFPGA_IDSEL_MAX           0x04

#define PCIFPGA_BASE                MEMORY_BASE_HOST_PB3

// Registers
#define PCIFPGA_ISR                 0x00
#define PCIFPGA_READADDR            0x04
#define PCIFPGA_READLEN             0x08
#define PCIFPGA_WRITEADDR           0x0c
#define PCIFPGA_WRITELEN            0x10
#define PCIFPGA_SCRATCH             0x14
#define PCIFPGA_VERSION             0x18
#define PCIFPGA_BYTEENABLE          0x1c
#define PCIFPGA_MEMORYBASE          0x20
#define PCIFPGA_MEMORYMASK          0x24
#define PCIFPGA_IOBASE              0x28
#define PCIFPGA_IOMASK              0x2c
#define PCIFPGA_WRITEDWORDDATA      0x30
#define PCIFPGA_WRITEDWORDCMD       0x34
#define PCIFPGA_WRITEDWORDADDR      0x38

#define PCIFPGA_IDEREADDATA         0x0100
#define PCIFPGA_PCIREADRESPONSEDATA 0x0200
#define PCIFPGA_PCIWRITEDATA        0x0300

#define PCIFPGA_CONFIG_BASE_0       0x00001000
#define PCIFPGA_CONFIG_BASE_1       0x00002000
#define PCIFPGA_CONFIG_BASE_2       0x00003000
#define PCIFPGA_CONFIG_BASE_3       0x00004000
#define PCIFPGA_CONFIG_END          0x00005000

#define PCIFPGA_IOBASE_ADDR         0x00080000
#define PCIFPGA_IOBASE_VALID        0x01080000
#define PCIFPGA_IOBASE_MASK         0x00f80000
#define PCIFPGA_IOBASE_SIZE         0x00080000

#define PCIFPGA_MEMORYBASE_ADDR     0x00200000
#define PCIFPGA_MEMORYBASE_VALID    0x01200000
#define PCIFPGA_MEMORYBASE_MASK     0x00f00000
#define PCIFPGA_MEMORYBASE_SIZE     0x00300000

#define PCIFPGA_IO_BASE             (0xef000000 + PCIFPGA_IOBASE_ADDR)
#define PCIFPGA_IO_END              (PCIFPGA_IO_BASE + PCIFPGA_IOBASE_SIZE)
#define PCIFPGA_MEMORY_BASE         (0xef000000 + PCIFPGA_MEMORYBASE_ADDR)
#define PCIFPGA_MEMORY_END          (PCIFPGA_MEMORY_BASE + PCIFPGA_MEMORYBASE_SIZE)

// PCIFPGA_ISR
#define PCIFPGA_ISR_WRREQ           0x0001
#define PCIFPGA_ISR_RDREQ           0x0002
#define PCIFPGA_ISR_RDRESP          0x0004
#define PCIFPGA_ISR_INTA            0x0008
#define PCIFPGA_ISR_INTB            0x0010
#define PCIFPGA_ISR_INTC            0x0020
#define PCIFPGA_ISR_INTD            0x0040
#define PCIFPGA_ISR_INTMASK         0x0078
#define PCIFPGA_ISR_ERROR           0x0080
#define PCIFPGA_ISR_MASTERABORT     0x0100

//
// global variables
//

struct my_pci_op g_pcifpga_op;

//
// function prototypes
//

// pci bus initialization
int pcifpga_init(int verbose);
int pcifpga_probe(void);

// basic functions
int pcifpga_info(void);
unsigned int pcifpga_pciio_base(int idsel);
unsigned int pcifpga_pcimemory_base(int idsel);
unsigned int pcifpga_select(int idsel);
int pcifpga_wait_isr(int wait);

// primitive PCI Config Access
unsigned int pcifpga_select(int idsel);
int pcifpga_read_config_byte(unsigned int addr, unsigned char *data);
int pcifpga_read_config_word(unsigned int addr, unsigned short *data);
int pcifpga_read_config_dword(unsigned int addr, unsigned int *data);
int pcifpga_write_config_byte(unsigned int data, unsigned int addr);
int pcifpga_write_config_word(unsigned int data, unsigned int addr);
int pcifpga_write_config_dword(unsigned int data, unsigned int addr);

// primitive PCI I/O Access
unsigned char pcifpga_in_byte(unsigned int addr);
unsigned short pcifpga_in_word(unsigned int addr);
unsigned int pcifpga_in_dword(unsigned int addr);
void pcifpga_out_byte(unsigned int data, unsigned int addr);
void pcifpga_out_word(unsigned int data, unsigned int addr);
void pcifpga_out_dword(unsigned int data, unsigned int addr);

// primitive PCI Memory Access
unsigned char pcifpga_read_byte(unsigned int addr);
unsigned short pcifpga_read_word(unsigned int addr);
unsigned int pcifpga_read_dword(unsigned int addr);
void pcifpga_write_byte(unsigned int data, unsigned int addr);
void pcifpga_write_word(unsigned int data, unsigned int addr);
void pcifpga_write_dword(unsigned int data, unsigned int addr);

// pci bus test
int pcifpga_test(int argc, char *argv[]);

#endif