mirror of https://gitee.com/openkylin/linux.git
108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
|
/*
|
||
|
|
** asm-m68k/amigayle.h -- This header defines the registers of the gayle chip
|
||
|
|
** found on the Amiga 1200
|
||
|
|
** This information was found by disassembling card.resource,
|
||
|
|
** so the definitions may not be 100% correct
|
||
|
|
** anyone has an official doc ?
|
||
|
|
**
|
||
|
|
** Copyright 1997 by Alain Malek
|
||
|
|
**
|
||
|
|
** This file is subject to the terms and conditions of the GNU General Public
|
||
|
|
** License. See the file COPYING in the main directory of this archive
|
||
|
|
** for more details.
|
||
|
|
**
|
||
|
|
** Created: 11/28/97 by Alain Malek
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _M68K_AMIGAYLE_H_
|
||
|
|
#define _M68K_AMIGAYLE_H_
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <asm/amigahw.h>
|
||
|
|
|
||
|
|
/* memory layout */
|
||
|
|
|
||
|
|
#define GAYLE_RAM (0x600000+zTwoBase)
|
||
|
|
#define GAYLE_RAMSIZE (0x400000)
|
||
|
|
#define GAYLE_ATTRIBUTE (0xa00000+zTwoBase)
|
||
|
|
#define GAYLE_ATTRIBUTESIZE (0x020000)
|
||
|
|
#define GAYLE_IO (0xa20000+zTwoBase) /* 16bit and even 8bit registers */
|
||
|
|
#define GAYLE_IOSIZE (0x010000)
|
||
|
|
#define GAYLE_IO_8BITODD (0xa30000+zTwoBase) /* odd 8bit registers */
|
||
|
|
|
||
|
|
/* offset for accessing odd IO registers */
|
||
|
|
#define GAYLE_ODD (GAYLE_IO_8BITODD-GAYLE_IO-1)
|
||
|
|
|
||
|
|
/* GAYLE registers */
|
||
|
|
|
||
|
|
struct GAYLE {
|
||
|
|
u_char cardstatus;
|
||
|
|
u_char pad0[0x1000-1];
|
||
|
|
|
||
|
|
u_char intreq;
|
||
|
|
u_char pad1[0x1000-1];
|
||
|
|
|
||
|
|
u_char inten;
|
||
|
|
u_char pad2[0x1000-1];
|
||
|
|
|
||
|
|
u_char config;
|
||
|
|
u_char pad3[0x1000-1];
|
||
|
|
};
|
||
|
|
|
||
|
|
#define GAYLE_ADDRESS (0xda8000) /* gayle main registers base address */
|
||
|
|
|
||
|
|
#define GAYLE_RESET (0xa40000) /* write 0x00 to start reset,
|
||
|
|
read 1 byte to stop reset */
|
||
|
|
|
||
|
|
#define gayle (*(volatile struct GAYLE *)(zTwoBase+GAYLE_ADDRESS))
|
||
|
|
#define gayle_reset (*(volatile u_char *)(zTwoBase+GAYLE_RESET))
|
||
|
|
|
||
|
|
#define gayle_attribute ((volatile u_char *)(GAYLE_ATTRIBUTE))
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
#define gayle_inb(a) readb( GAYLE_IO+(a)+(((a)&1)*GAYLE_ODD) )
|
||
|
|
#define gayle_outb(v,a) writeb( v, GAYLE_IO+(a)+(((a)&1)*GAYLE_ODD) )
|
||
|
|
|
||
|
|
#define gayle_inw(a) readw( GAYLE_IO+(a) )
|
||
|
|
#define gayle_outw(v,a) writew( v, GAYLE_IO+(a) )
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* GAYLE_CARDSTATUS bit def */
|
||
|
|
|
||
|
|
#define GAYLE_CS_CCDET 0x40 /* credit card detect */
|
||
|
|
#define GAYLE_CS_BVD1 0x20 /* battery voltage detect 1 */
|
||
|
|
#define GAYLE_CS_SC 0x20 /* credit card status change */
|
||
|
|
#define GAYLE_CS_BVD2 0x10 /* battery voltage detect 2 */
|
||
|
|
#define GAYLE_CS_DA 0x10 /* digital audio */
|
||
|
|
#define GAYLE_CS_WR 0x08 /* write enable (1 == enabled) */
|
||
|
|
#define GAYLE_CS_BSY 0x04 /* credit card busy */
|
||
|
|
#define GAYLE_CS_IRQ 0x04 /* interrupt request */
|
||
|
|
|
||
|
|
/* GAYLE_IRQ bit def */
|
||
|
|
|
||
|
|
#define GAYLE_IRQ_IDE 0x80
|
||
|
|
#define GAYLE_IRQ_CCDET 0x40
|
||
|
|
#define GAYLE_IRQ_BVD1 0x20
|
||
|
|
#define GAYLE_IRQ_SC 0x20
|
||
|
|
#define GAYLE_IRQ_BVD2 0x10
|
||
|
|
#define GAYLE_IRQ_DA 0x10
|
||
|
|
#define GAYLE_IRQ_WR 0x08
|
||
|
|
#define GAYLE_IRQ_BSY 0x04
|
||
|
|
#define GAYLE_IRQ_IRQ 0x04
|
||
|
|
#define GAYLE_IRQ_IDEACK1 0x02
|
||
|
|
#define GAYLE_IRQ_IDEACK0 0x01
|
||
|
|
|
||
|
|
/* GAYLE_CONFIG bit def
|
||
|
|
(bit 0-1 for program voltage, bit 2-3 for access speed */
|
||
|
|
|
||
|
|
#define GAYLE_CFG_0V 0x00
|
||
|
|
#define GAYLE_CFG_5V 0x01
|
||
|
|
#define GAYLE_CFG_12V 0x02
|
||
|
|
|
||
|
|
#define GAYLE_CFG_100NS 0x08
|
||
|
|
#define GAYLE_CFG_150NS 0x04
|
||
|
|
#define GAYLE_CFG_250NS 0x00
|
||
|
|
#define GAYLE_CFG_720NS 0x0c
|
||
|
|
|
||
|
|
#endif /* asm-m68k/amigayle.h */
|