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1 /*
2 * (C) Copyright 2005
3 * ARM Ltd.
4 * Peter Pearse, <Peter.Pearse@arm.com>
5 * Configuration for ARM Core Modules.
6 * No standalonw port yet available
7 * - this file is included by both integratorap.h & integratorcp.h
8 *
9 * See file CREDITS for list of people who contributed to this
10 * project.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * MA 02111-1307 USA
26 */
27
28 #ifndef __ARMCOREMODULE_H
29 #define __ARMCOREMODULE_H
30
31 #define CM_BASE 0x10000000
32
33 /* CM registers common to all CMs */
34 /* Note that observed values after reboot into the ARM Boot Monitor
35 have been used as defaults, rather than the POR values */
36 #define OS_CTRL 0x0000000C
37 #define CMMASK_REMAP 0x00000005 /* set remap & led */
38 #define CMMASK_RESET 0x00000008
39 #define OS_LOCK 0x00000014
40 #define CMVAL_LOCK1 0x0000A000 /* locking value */
41 #define CMVAL_LOCK2 0x0000005F /* locking value */
42 #define CMVAL_UNLOCK 0x00000000 /* any value != CM_LOCKVAL */
43 #define OS_SDRAM 0x00000020
44 #define OS_INIT 0x00000024
45 #define CMMASK_MAP_SIMPLE 0xFFFDFFFF /* simple mapping */
46 #define CMMASK_TCRAM_DISABLE 0xFFFEFFFF /* TCRAM disabled */
47 #define CMMASK_LOWVEC 0x00000000 /* vectors @ 0x00000000 */
48 #define CMMASK_LE 0xFFFFFFF7 /* little endian */
49 #define CMMASK_CMxx6_COMMON 0x00000013 /* Common value for CMxx6 */
50 /* - observed reset value of */
51 /* CM926EJ-S */
52 /* CM1136-EJ-S */
53
54 #if defined (CONFIG_CM10200E) || defined (CONFIG_CM10220E)
55 #define CMMASK_INIT_102 0x00000300 /* see CM102xx ref manual */
56 /* - PLL test clock bypassed */
57 /* - bus clock ratio 2 */
58 /* - little endian */
59 /* - vectors at zero */
60 #endif /* CM1022xx */
61
62 /* Determine CM characteristics */
63
64 #undef CONFIG_CM_MULTIPLE_SSRAM
65 #undef CONFIG_CM_SPD_DETECT
66 #undef CONFIG_CM_REMAP
67 #undef CONFIG_CM_INIT
68 #undef CONFIG_CM_TCRAM
69
70 #if defined (CONFIG_CM946E_S) || defined (CONFIG_CM966E_S)
71 #define CONFIG_CM_MULTIPLE_SSRAM /* CM has multiple SSRAM mapping */
72 #endif
73
74 /* Excalibur core module has reduced functionality */
75 #ifndef CONFIG_CM922T_XA10
76 #define CONFIG_CM_SPD_DETECT /* CM supports SPD query */
77 #define OS_SPD 0x00000100 /* Address of SPD data */
78 #define CONFIG_CM_REMAP /* CM supports remapping */
79 #define CONFIG_CM_INIT /* CM has initialization reg */
80 #endif /* NOT EXCALIBUR */
81
82 #if defined(CONFIG_CM926EJ_S) || defined (CONFIG_CM946E_S) || \
83 defined(CONFIG_CM966E_S) || defined (CONFIG_CM1026EJ_S) || \
84 defined(CONFIG_CM1136JF_S)
85 #define CONFIG_CM_TCRAM /* CM has TCRAM */
86 #endif
87
88 #ifdef CONFIG_CM_SPD_DETECT
89 #define OS_SPD 0x00000100 /* The SDRAM SPD data is copied here */
90 #endif
91
92 #endif /* __ARMCOREMODULE_H */