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1 | /* |
2 | * Copyright (C) 2003 ETC s.r.o. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License as | |
6 | * published by the Free Software Foundation; either version 2 of | |
7 | * the License, or (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
17 | * MA 02111-1307 USA | |
18 | * | |
19 | * Written by Peter Figuli <peposh@etc.sk>, 2003. | |
20 | * | |
21 | */ | |
22 | ||
23 | #ifndef __CONFIG_H | |
24 | #define __CONFIG_H | |
25 | ||
26 | #define CONFIG_PXA250 1 /* this is an PXA250 CPU */ | |
27 | #define CONFIG_WEPEP250 1 /* config for wepep250 board */ | |
28 | #undef CONFIG_USE_IRQ /* don't need use IRQ/FIQ */ | |
29 | ||
30 | ||
31 | /* | |
32 | * Select serial console configuration | |
33 | */ | |
34 | #define CONFIG_BTUART 1 /* BTUART is default on WEP dev board */ | |
35 | #define CONFIG_BAUDRATE 115200 | |
36 | ||
37 | ||
38 | /* | |
39 | * Definition of u-boot build in commands. Check out CONFIG_CMD_DFL if | |
40 | * neccessary in include/cmd_confdefs.h file. (Un)comment for getting | |
41 | * functionality or size of u-boot code. | |
42 | */ | |
43 | #define CONFIG_COMMANDS (CONFIG_CMD_DFL \ | |
44 | & ~CFG_CMD_NET \ | |
45 | & ~CFG_CMD_LOADS \ | |
46 | & ~CFG_CMD_CONSOLE \ | |
47 | & ~CFG_CMD_AUTOSCRIPT \ | |
48 | /* | CFG_CMD_JFFS2 */ \ | |
49 | ) | |
50 | #include <cmd_confdefs.h> | |
51 | ||
52 | /* | |
53 | * Boot options. Setting delay to -1 stops autostart count down. | |
54 | * NOTE: Sending parameters to kernel depends on kernel version and | |
55 | * 2.4.19-rmk6-pxa1 patch used while my u-boot coding didn't accept | |
56 | * parameters at all! Do not get confused by them so. | |
57 | */ | |
58 | #define CONFIG_BOOTDELAY -1 | |
59 | #define CONFIG_BOOTARGS "root=/dev/mtdblock2 mem=32m console=ttyS01,115200n8" | |
60 | #define CONFIG_BOOTCOMMAND "bootm 40000" | |
61 | ||
62 | ||
63 | /* | |
64 | * General options for u-boot. Modify to save memory foot print | |
65 | */ | |
66 | #define CFG_LONGHELP /* undef saves memory */ | |
67 | #define CFG_PROMPT "WEP> " /* prompt string */ | |
68 | #define CFG_CBSIZE 256 /* console I/O buffer */ | |
69 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* print buffer size */ | |
70 | #define CFG_MAXARGS 16 /* max command args */ | |
71 | #define CFG_BARGSIZE CFG_CBSIZE /* boot args buf size */ | |
72 | ||
73 | #define CFG_MEMTEST_START 0xa0400000 /* memtest test area */ | |
74 | #define CFG_MEMTEST_END 0xa0800000 | |
75 | ||
76 | #undef CFG_CLKS_IN_HZ /* use HZ for freq. display */ | |
77 | ||
78 | #define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */ | |
79 | #define CFG_CPUSPEED 0x141 /* core clock - register value */ | |
80 | ||
81 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
82 | ||
83 | /* | |
84 | * Definitions related to passing arguments to kernel. | |
85 | */ | |
86 | #define CONFIG_CMDLINE_TAG 1 /* send commandline to Kernel */ | |
87 | #define CONFIG_SETUP_MEMORY_TAGS 1 /* send memory definition to kernel */ | |
88 | #undef CONFIG_INITRD_TAG /* do not send initrd params */ | |
89 | #undef CONFIG_VFD /* do not send framebuffer setup */ | |
90 | ||
91 | ||
92 | /* | |
93 | * Malloc pool need to host env + 128 Kb reserve for other allocations. | |
94 | */ | |
95 | #define CFG_MALLOC_LEN (CFG_ENV_SIZE + (128<<10) ) | |
96 | ||
97 | #define CONFIG_STACKSIZE (120<<10) /* stack size */ | |
98 | ||
99 | #ifdef CONFIG_USE_IRQ | |
100 | #define CONFIG_STACKSIZE_IRQ (4<<10) /* IRQ stack */ | |
101 | #define CONFIG_STACKSIZE_FIQ (4<<10) /* FIQ stack */ | |
102 | #endif | |
103 | ||
104 | /* | |
105 | * SDRAM Memory Map | |
106 | */ | |
107 | #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of SDRAM */ | |
108 | #define WEP_SDRAM_1 0xa0000000 /* SDRAM bank #1 */ | |
109 | #define WEP_SDRAM_1_SIZE 0x02000000 /* 32 MB ( 2 chip ) */ | |
110 | #define WEP_SDRAM_2 0xa2000000 /* SDRAM bank #2 */ | |
111 | #define WEP_SDRAM_2_SIZE 0x00000000 /* 0 MB */ | |
112 | #define WEP_SDRAM_3 0xa8000000 /* SDRAM bank #3 */ | |
113 | #define WEP_SDRAM_3_SIZE 0x00000000 /* 0 MB */ | |
114 | #define WEP_SDRAM_4 0xac000000 /* SDRAM bank #4 */ | |
115 | #define WEP_SDRAM_4_SIZE 0x00000000 /* 0 MB */ | |
116 | ||
117 | #define CFG_DRAM_BASE 0xa0000000 | |
118 | #define CFG_DRAM_SIZE 0x02000000 | |
119 | ||
120 | /* Uncomment used SDRAM chip */ | |
121 | #define WEP_SDRAM_K4S281633 | |
122 | /*#define WEP_SDRAM_K4S561633*/ | |
123 | ||
124 | ||
125 | /* | |
126 | * Configuration for FLASH memory | |
127 | */ | |
128 | #define CFG_MAX_FLASH_BANKS 1 /* FLASH banks count (not chip count)*/ | |
129 | #define CFG_MAX_FLASH_SECT 128 /* number of sector in FLASH bank */ | |
130 | #define WEP_FLASH_BUS_WIDTH 4 /* we use 32 bit FLASH memory... */ | |
131 | #define WEP_FLASH_INTERLEAVE 2 /* ... made of 2 chips */ | |
132 | #define WEP_FLASH_BANK_SIZE 0x2000000 /* size of one flash bank*/ | |
133 | #define WEP_FLASH_SECT_SIZE 0x0040000 /* size of erase sector */ | |
134 | #define WEP_FLASH_BASE 0x0000000 /* location of flash memory */ | |
135 | #define WEP_FLASH_UNLOCK 1 /* perform hw unlock first */ | |
136 | ||
137 | ||
138 | /* This should be defined if CFI FLASH device is present. Actually benefit | |
139 | is not so clear to me. In other words we can provide more informations | |
140 | to user, but this expects more complex flash handling we do not provide | |
141 | now.*/ | |
142 | #undef CFG_FLASH_CFI | |
143 | ||
144 | #define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* timeout for Erase operation */ | |
145 | #define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* timeout for Write operation */ | |
146 | ||
147 | #define CFG_FLASH_BASE WEP_FLASH_BASE | |
148 | ||
149 | /* | |
150 | * This is setting for JFFS2 support in u-boot. | |
151 | * Right now there is no gain for user, but later on booting kernel might be | |
152 | * possible. Consider using XIP kernel running from flash to save RAM | |
153 | * footprint. | |
154 | * NOTE: Enable CFG_CMD_JFFS2 for JFFS2 support. | |
155 | */ | |
156 | #define CFG_JFFS2_FIRST_BANK 0 | |
157 | #define CFG_JFFS2_FIRST_SECTOR 5 | |
158 | #define CFG_JFFS2_NUM_BANKS 1 | |
159 | ||
160 | /* | |
161 | * Environment setup. Definitions of monitor location and size with | |
162 | * definition of environment setup ends up in 2 possibilities. | |
163 | * 1. Embeded environment - in u-boot code is space for environment | |
164 | * 2. Environment is read from predefined sector of flash | |
165 | * Right now we support 2. possiblity, but expecting no env placed | |
166 | * on mentioned address right now. This also needs to provide whole | |
167 | * sector for it - for us 256Kb is really waste of memory. U-boot uses | |
168 | * default env. and until kernel parameters could be sent to kernel | |
169 | * env. has no sense to us. | |
170 | */ | |
171 | ||
172 | #define CFG_MONITOR_BASE PHYS_FLASH_1 | |
173 | #define CFG_MONITOR_LEN 0x20000 /* 128kb ( 1 flash sector ) */ | |
174 | #define CFG_ENV_IS_IN_FLASH 1 | |
175 | #define CFG_ENV_ADDR 0x20000 /* absolute address for now */ | |
176 | #define CFG_ENV_SIZE 0x2000 | |
177 | ||
178 | #undef CONFIG_ENV_OVERWRITE /* env is not writable now */ | |
179 | ||
180 | /* | |
181 | * Well this has to be defined, but on the other hand it is used differently | |
182 | * one may expect. For instance loadb command do not cares :-) | |
183 | * So advice is - do not relay on this... | |
184 | */ | |
185 | #define CFG_LOAD_ADDR 0x40000 | |
186 | ||
187 | #endif /* __CONFIG_H */ | |
188 |