RTEMS 5.2
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pcmcia_ide.h
1/*===============================================================*\
2| Project: RTEMS generic MPC5200 BSP |
3+-----------------------------------------------------------------+
4| Partially based on the code references which are named below. |
5| Adaptions, modifications, enhancements and any recent parts of |
6| the code are: |
7| Copyright (c) 2005 |
8| Embedded Brains GmbH |
9| Obere Lagerstr. 30 |
10| D-82178 Puchheim |
11| Germany |
12| rtems@embedded-brains.de |
13+-----------------------------------------------------------------+
14| The license and distribution terms for this file may be |
15| found in the file LICENSE in this distribution or at |
16| |
17| http://www.rtems.org/license/LICENSE. |
18| |
19+-----------------------------------------------------------------+
20| this file contains declarations for the PCMCIA IDE Interface |
21\*===============================================================*/
22/***********************************************************************/
23/* */
24/* Module: pcmcia_ide.h */
25/* Date: 17/07/2003 */
26/* Purpose: RTEMS MPC5x00 PCMCIA IDE harddisk header file */
27/* */
28/*---------------------------------------------------------------------*/
29/* */
30/* Description: */
31/* */
32/*---------------------------------------------------------------------*/
33/* */
34/* Code */
35/* References: none */
36/* Module: */
37/* Project: */
38/* Version */
39/* Date: */
40/* */
41/* Author(s) / Copyright(s): */
42/* */
43/*---------------------------------------------------------------------*/
44/* */
45/* Partially based on the code references which are named above. */
46/* Adaptions, modifications, enhancements and any recent parts of */
47/* the code are under the right of */
48/* */
49/* IPR Engineering, Dachauer Straße 38, D-80335 München */
50/* Copyright(C) 2003 */
51/* */
52/*---------------------------------------------------------------------*/
53/* */
54/* IPR Engineering makes no representation or warranties with */
55/* respect to the performance of this computer program, and */
56/* specifically disclaims any responsibility for any damages, */
57/* special or consequential, connected with the use of this program. */
58/* */
59/*---------------------------------------------------------------------*/
60/* */
61/* Version history: 1.0 */
62/* */
63/***********************************************************************/
64
65#ifndef __PCMCIA_IDE_h
66#define __PCMCIA_IDE_h
67
68#include <bsp.h>
69
70#define GPIOPCR_ATA_CS_4_5 (1 << 24)
71
72/*#define DEBUG_OUT*/
73#define GET_UP_BYTE_OF_MPC5200_ATA_DRIVE_REG(val32) ((uint16_t)((val32) >> 24))
74#define SET_UP_BYTE_OF_MPC5200_ATA_DRIVE_REG(val8) ((uint32_t)((val8) << 24))
75#define GET_UP_WORD_OF_MPC5200_ATA_DRIVE_REG(val32) ((uint16_t)((val32) >> 16))
76#define SET_UP_WORD_OF_MPC5200_ATA_DRIVE_REG(val16) ((uint32_t)((val16) << 16))
77
78#define ATA_HCFG_SMR (1 << 31)
79#define ATA_HCFG_FR (1 << 30)
80#define ATA_HCFG_IORDY (1 << 24)
81#define ATA_HCFG_IE (1 << 25)
82
83#define COUNT_VAL(nsec) (((nsec) * (IPB_CLOCK / 1000000) + 999) / 1000)
84
85#define PIO_3 0
86#define PIO_4 1
87
88#define T0 0
89#define T2_8 1
90#define T2_16 2
91#define T4 3
92#define T1 4
93#define TA 5
94
95#define ATA_PIO_TIMING_1(t0,t2_8,t2_16) (((COUNT_VAL(t0)) << 24) | ((COUNT_VAL(t2_8)) << 16) | ((COUNT_VAL(t2_16)) << 8))
96#define ATA_PIO_TIMING_2(t4,t1,ta) (((COUNT_VAL(t4)) << 24) | ((COUNT_VAL(t1)) << 16) | ((COUNT_VAL(ta)) << 8))
97
98#endif
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