xref: /openbmc/u-boot/include/armcoremodule.h (revision c6af2e7d)
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 */
93