source: SVN/rincon/u-boot/board/cm5200/cm5200.h @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 2 years ago

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Signed-off-by: Tim Harvey <tharvey@…>

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1/*
2 * (C) Copyright 2007 DENX Software Engineering
3 *
4 * Author: Bartlomiej Sieka <tur@semihalf.com>
5 * Author: Grzegorz Bernacki <gjb@semihalf.com>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 */
22
23#ifndef _CM5200_H
24#define _CM5200_H
25
26
27/*
28 * Definitions and declarations for the modules of the cm5200 platform. Mostly
29 * related to reading the hardware identification data (HW ID) from the I2C
30 * EEPROM, detection of the particular module we are executing on, and
31 * appropriate SDRAM controller initialization.
32 */
33
34
35#define CM5200_UNKNOWN_MODULE   0xffffffff
36
37enum {
38        DEVICE_NAME,            /* 0 */
39        GENERATION,             /* 1 */
40        PCB_NAME,               /* 2 */
41        FORM,                   /* 3 */
42        VERSION,                /* 4 */
43        IDENTIFICATION_NUMBER,  /* 5 */
44        MAJOR_SW_VERSION,       /* 6 */
45        MINOR_SW_VERSION,       /* 7 */
46        /* add new alements above this line */
47        HW_ID_ELEM_COUNT        /* count */
48};
49
50/*
51 * Sect. 4.1 "CM1.Q/CMU1.Q Supervisory Microcontroller Interface Definition"
52 */
53
54#define DEVICE_NAME_OFFSET              0x02
55#define GENERATION_OFFSET               0x0b
56#define PCB_NAME_OFFSET                 0x0c
57#define FORM_OFFSET                     0x15
58#define VERSION_OFFSET                  0x16
59#define IDENTIFICATION_NUMBER_OFFSET    0x19
60#define MAJOR_SW_VERSION_OFFSET         0x0480
61#define MINOR_SW_VERSION_OFFSET         0x0481
62
63
64#define DEVICE_NAME_LEN                 0x09
65#define GENERATION_LEN                  0x01
66#define PCB_NAME_LEN                    0x09
67#define FORM_LEN                        0x01
68#define VERSION_LEN                     0x03
69#define IDENTIFICATION_NUMBER_LEN       0x09
70#define MAJOR_SW_VERSION_LEN            0x01
71#define MINOR_SW_VERSION_LEN            0x01
72
73#define HW_ID_ELEM_MAXLEN               0x09    /* MAX(XXX_LEN) */
74
75/* entire HW ID in EEPROM is 64 bytes, so longer module name is unlikely */
76#define MODULE_NAME_MAXLEN              64
77
78
79/* storage for HW ID read from EEPROM */
80typedef char hw_id_t[HW_ID_ELEM_COUNT][HW_ID_ELEM_MAXLEN];
81
82
83/* HW ID layout in EEPROM */
84static struct {
85        unsigned int offset;
86        unsigned int length;
87} hw_id_format[HW_ID_ELEM_COUNT] = {
88        {DEVICE_NAME_OFFSET,            DEVICE_NAME_LEN},
89        {GENERATION_OFFSET,             GENERATION_LEN},
90        {PCB_NAME_OFFSET,               PCB_NAME_LEN},
91        {FORM_OFFSET,                   FORM_LEN},
92        {VERSION_OFFSET,                VERSION_LEN},
93        {IDENTIFICATION_NUMBER_OFFSET,  IDENTIFICATION_NUMBER_LEN},
94        {MAJOR_SW_VERSION_OFFSET,       MAJOR_SW_VERSION_LEN},
95        {MINOR_SW_VERSION_OFFSET,       MINOR_SW_VERSION_LEN},
96};
97
98
99/* HW ID data found in EEPROM on supported modules */
100static char *cm1_qa_hw_id[HW_ID_ELEM_COUNT] = {
101        "CM",           /* DEVICE_NAME */
102        "1",            /* GENERATION */
103        "CM1",          /* PCB_NAME */
104        "Q",            /* FORM */
105        "A",            /* VERSION */
106        "591881",       /* IDENTIFICATION_NUMBER */
107        "",             /* MAJOR_SW_VERSION */
108        "",             /* MINOR_SW_VERSION */
109};
110
111static char *cm11_qa_hw_id[HW_ID_ELEM_COUNT] = {
112        "CM",           /* DEVICE_NAME */
113        "1",            /* GENERATION */
114        "CM11",         /* PCB_NAME */
115        "Q",            /* FORM */
116        "A",            /* VERSION */
117        "594200",       /* IDENTIFICATION_NUMBER */
118        "",             /* MAJOR_SW_VERSION */
119        "",             /* MINOR_SW_VERSION */
120};
121
122static char *cmu1_qa_hw_id[HW_ID_ELEM_COUNT] = {
123        "CMU",          /* DEVICE_NAME */
124        "1",            /* GENERATION */
125        "CMU1",         /* PCB_NAME */
126        "Q",            /* FORM */
127        "A",            /* VERSION */
128        "594128",       /* IDENTIFICATION_NUMBER */
129        "",             /* MAJOR_SW_VERSION */
130        "",             /* MINOR_SW_VERSION */
131};
132
133
134/* list of known modules */
135static char **hw_id_list[] = {
136        cm1_qa_hw_id,
137        cm11_qa_hw_id,
138        cmu1_qa_hw_id,
139};
140
141/* indices to the above list - keep in sync */
142enum {
143        CM1_QA,
144        CM11_QA,
145        CMU1_QA,
146};
147
148
149/* identify modules based on these hw id elements */
150static int hw_id_identify[] = {
151        PCB_NAME,
152        FORM,
153        VERSION,
154};
155
156
157/* Registers' settings for SDRAM controller intialization */
158typedef struct {
159        ulong mode;
160        ulong control;
161        ulong config1;
162        ulong config2;
163} mem_conf_t;
164
165static mem_conf_t k4s561632E = {
166        0x00CD0000,      /* CASL 3, burst length 8 */
167        0x514F0000,
168        0xE2333900,
169        0x8EE70000
170};
171
172static mem_conf_t mt48lc32m16a2 = {
173        0x00CD0000,      /* CASL 3, burst length 8 */
174        0x514F0000,
175        0xD2322800,
176        0x8AD70000
177};
178
179static mem_conf_t* memory_config[] = {
180        &k4s561632E,
181        &mt48lc32m16a2
182};
183
184#endif /* _CM5200_H */
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