abyss.h

来自「讲述linux的初始化过程」· C头文件 代码 · 共 59 行

/* 
 * abyss.h: Header for the abyss tms380tr module
 *
 * Authors:
 * - Adam Fritzler <[e-mail]>
 */

#ifndef __LINUX_MADGETR_H
#define __LINUX_MADGETR_H

#ifdef __KERNEL__

/*
 * For Madge Smart 16/4 PCI Mk2.  Since we increment the base address
 * to get everything correct for the TMS SIF, we do these as negatives
 * as they fall below the SIF in addressing.
 */
#define PCIBM2_INT_STATUS_REG          ((short)-15)/* 0x01 */
#define PCIBM2_INT_CONTROL_REG         ((short)-14)/* 0x02 */
#define PCIBM2_RESET_REG               ((short)-12)/* 0x04 */
#define PCIBM2_SEEPROM_REG             ((short)-9) /* 0x07 */

#define PCIBM2_INT_CONTROL_REG_SINTEN           0x02
#define PCIBM2_INT_CONTROL_REG_PCI_ERR_ENABLE   0x80
#define PCIBM2_INT_STATUS_REG_PCI_ERR           0x80

#define PCIBM2_RESET_REG_CHIP_NRES              0x01
#define PCIBM2_RESET_REG_FIFO_NRES              0x02
#define PCIBM2_RESET_REG_SIF_NRES               0x04

#define PCIBM2_FIFO_THRESHOLD   0x21
#define PCIBM2_BURST_LENGTH     0x22

/*
 * Bits in PCIBM2_SEEPROM_REG.
 */
#define AT24_ENABLE             0x04
#define AT24_DATA               0x02
#define AT24_CLOCK              0x01

/*
 * AT24 Commands.
 */
#define AT24_WRITE              0xA0
#define AT24_READ               0xA1

/*
 * Addresses in AT24 SEEPROM.
 */
#define PCIBM2_SEEPROM_BIA          0x12
#define PCIBM2_SEEPROM_RING_SPEED   0x18
#define PCIBM2_SEEPROM_RAM_SIZE     0x1A
#define PCIBM2_SEEPROM_HWF1         0x1C
#define PCIBM2_SEEPROM_HWF2         0x1E


#endif /* __KERNEL__ */
#endif /* __LINUX_MADGETR_H */