isa.h

u-boot 源代码

/*
 * (C) Copyright 2001
 * Denis Peter, MPL AG Switzerland, [e-mail]
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef _ISA_H_
#define _ISA_H_
/* Super IO */
#define SIO_CFG_PORT	0x3F0	/* Config Port Address */

#if defined(CONFIG_PIP405)
/* table fore SIO initialization */
typedef struct {
	const uchar index;
	const uchar val;
} SIO_LOGDEV_TABLE;

typedef struct {
	const uchar ldev;
	const SIO_LOGDEV_TABLE *ldev_table;
} SIO_TABLE;


unsigned char open_cfg_super_IO(int address);
unsigned char read_cfg_super_IO(int address, unsigned char function, unsigned char regaddr);
void write_cfg_super_IO(int address, unsigned char function, unsigned char regaddr, unsigned char data);
void close_cfg_super_IO(int address);
void isa_sio_setup(void);
#endif

void isa_irq_install_handler(int vec, interrupt_handler_t *handler, void *arg);
void isa_irq_free_handler(int vec);
int handle_isa_int(void);
void isa_init_irq_contr(void);
void isa_show_irq(void);
int isa_irq_get_count(int vec);


#endif