gen5200/ata/pcmcia_ide.h

0001 /*
0002  * RTEMS generic MPC5200 BSP
0003  *
0004  * RTEMS MPC5x00 PCMCIA IDE harddisk header file
0005  * This file contains declarations for the PCMCIA IDE Interface.
0006  */
0007
0008 /*
0009  * Copyright (c) 2003 IPR Engineering
0010  * Copyright (c) 2005 embedded brains GmbH & Co. KG
0011  *
0012  * The license and distribution terms for this file may be
0013  * found in the file LICENSE in this distribution or at
0014  * http://www.rtems.org/license/LICENSE.
0015  */
0016
0017 #ifndef __PCMCIA_IDE_h
0018 #define __PCMCIA_IDE_h
0019
0020 #include <bsp.h>
0021
0022 #define GPIOPCR_ATA_CS_4_5                           (1 << 24)
0023
0024 /*#define DEBUG_OUT*/
0025 #define GET_UP_BYTE_OF_MPC5200_ATA_DRIVE_REG(val32)  ((uint16_t)((val32) >> 24))
0026 #define SET_UP_BYTE_OF_MPC5200_ATA_DRIVE_REG(val8)   ((uint32_t)((val8)  << 24))
0027 #define GET_UP_WORD_OF_MPC5200_ATA_DRIVE_REG(val32)  ((uint16_t)((val32) >> 16))
0028 #define SET_UP_WORD_OF_MPC5200_ATA_DRIVE_REG(val16)  ((uint32_t)((val16) << 16))
0029
0030 #define ATA_HCFG_SMR                                 (1 << 31)
0031 #define ATA_HCFG_FR                                  (1 << 30)
0032 #define ATA_HCFG_IORDY                               (1 << 24)
0033 #define ATA_HCFG_IE                                  (1 << 25)
0034
0035 #define COUNT_VAL(nsec)                              (((nsec) * (IPB_CLOCK / 1000000) + 999) / 1000)
0036
0037 #define PIO_3                                        0
0038 #define PIO_4                                        1
0039
0040 #define T0                                           0
0041 #define T2_8                                         1
0042 #define T2_16                                        2
0043 #define T4                                           3
0044 #define T1                                           4
0045 #define TA                                           5
0046
0047 #define ATA_PIO_TIMING_1(t0,t2_8,t2_16)              (((COUNT_VAL(t0)) << 24) | ((COUNT_VAL(t2_8)) << 16) | ((COUNT_VAL(t2_16)) << 8))
0048 #define ATA_PIO_TIMING_2(t4,t1,ta)                   (((COUNT_VAL(t4)) << 24) | ((COUNT_VAL(t1)) << 16) | ((COUNT_VAL(ta)) << 8))
0049
0050 #endif