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c609719b WD |
1 | /* |
2 | * (C) Copyright 2002 | |
3 | * Gary Jennejohn <[email protected]> | |
4 | * | |
5 | * Configuation settings for the TRAB board. | |
6 | * | |
7 | * See file CREDITS for list of people who contributed to this | |
8 | * project. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU General Public License as | |
12 | * published by the Free Software Foundation; either version 2 of | |
13 | * the License, or (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
23 | * MA 02111-1307 USA | |
24 | */ | |
25 | ||
26 | #ifndef __CONFIG_H | |
27 | #define __CONFIG_H | |
28 | ||
29 | /* | |
30 | * If we are developing, we might want to start armboot from ram | |
31 | * so we MUST NOT initialize critical regs like mem-timing ... | |
32 | */ | |
33 | #define CONFIG_INIT_CRITICAL /* undef for developing */ | |
34 | ||
35 | /* | |
36 | * High Level Configuration Options | |
37 | * (easy to change) | |
38 | */ | |
39 | #define CONFIG_ARM920T 1 /* This is an arm920t CPU */ | |
40 | #define CONFIG_S3C2400 1 /* in a SAMSUNG S3C2400 SoC */ | |
41 | #define CONFIG_TRAB 1 /* on a TRAB Board */ | |
42 | #undef CONFIG_TRAB_50MHZ /* run the CPU at 50 MHz */ | |
43 | ||
44 | /* input clock of PLL */ | |
7f6c2cbc | 45 | #define CONFIG_SYS_CLK_FREQ 12000000 /* TRAB has 12 MHz input clock */ |
c609719b WD |
46 | |
47 | #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ | |
48 | ||
49 | #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ | |
50 | #define CONFIG_SETUP_MEMORY_TAGS 1 | |
51 | #define CONFIG_INITRD_TAG 1 | |
52 | ||
53 | /* | |
54 | * Size of malloc() pool | |
55 | */ | |
699b13a6 | 56 | #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024) |
c609719b WD |
57 | |
58 | /* | |
59 | * Hardware drivers | |
60 | */ | |
61 | #define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */ | |
62 | #define CS8900_BASE 0x07000300 /* agrees with WIN CE PA */ | |
63 | #define CS8900_BUS16 1 /* the Linux driver does accesses as shorts */ | |
64 | ||
65 | #define CONFIG_VFD 1 /* VFD linear frame buffer driver */ | |
66 | #define VFD_TEST_LOGO 1 /* output a test logo to the VFDs */ | |
67 | ||
68 | /* | |
69 | * select serial console configuration | |
70 | */ | |
71 | #define CONFIG_SERIAL1 1 /* we use SERIAL 1 on TRAB */ | |
72 | ||
73 | #define CONFIG_HWFLOW /* include RTS/CTS flow control support */ | |
74 | ||
75 | #define CONFIG_MODEM_SUPPORT 1 /* enable modem initialization stuff */ | |
76 | ||
77 | #define CONFIG_MODEM_KEY_MAGIC "23" /* hold down these keys to enable modem */ | |
78 | ||
79 | /* | |
80 | * The following enables modem debugging stuff. The dbg() and | |
81 | * 'char screen[1024]' are used for debug printfs. Unfortunately, | |
82 | * it is usable only from BDI | |
83 | */ | |
84 | #undef CONFIG_MODEM_SUPPORT_DEBUG | |
85 | ||
86 | /* allow to overwrite serial and ethaddr */ | |
87 | #define CONFIG_ENV_OVERWRITE | |
88 | ||
89 | #define CONFIG_BAUDRATE 115200 | |
90 | ||
91 | #define CONFIG_TIMESTAMP 1 /* Print timestamp info for images */ | |
92 | ||
48b42616 WD |
93 | /* Use s3c2400's RTC */ |
94 | #define CONFIG_RTC_S3C24X0 1 | |
95 | ||
c609719b WD |
96 | #ifdef CONFIG_HWFLOW |
97 | #define CONFIG_COMMANDS_ADD_HWFLOW CFG_CMD_HWFLOW | |
98 | #else | |
99 | #define CONFIG_COMMANDS_ADD_HWFLOW 0 | |
100 | #endif | |
101 | ||
102 | #ifdef CONFIG_VFD | |
103 | #define CONFIG_COMMANDS_ADD_VFD CFG_CMD_VFD | |
104 | #else | |
105 | #define CONFIG_COMMANDS_ADD_VFD 0 | |
106 | #endif | |
107 | ||
108 | #ifndef USE_920T_MMU | |
109 | #define CONFIG_COMMANDS ((CONFIG_CMD_DFL & ~CFG_CMD_CACHE) | \ | |
110 | CFG_CMD_BSP | \ | |
48b42616 | 111 | CFG_CMD_DATE | \ |
c609719b WD |
112 | CONFIG_COMMANDS_ADD_HWFLOW | \ |
113 | CONFIG_COMMANDS_ADD_VFD ) | |
114 | #else | |
115 | #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ | |
116 | CFG_CMD_BSP | \ | |
48b42616 | 117 | CFG_CMD_DATE | \ |
c609719b WD |
118 | CONFIG_COMMANDS_ADD_HWFLOW | \ |
119 | CONFIG_COMMANDS_ADD_VFD ) | |
120 | #endif | |
121 | ||
122 | /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ | |
123 | #include <cmd_confdefs.h> | |
124 | ||
c609719b | 125 | #define CONFIG_BOOTDELAY 5 |
c8c3a8be | 126 | #define CONFIG_ZERO_BOOTDELAY_CHECK /* allow to break in always */ |
c609719b WD |
127 | #define CONFIG_PREBOOT "echo;echo *** booting ***;echo" |
128 | #define CONFIG_BOOTARGS "console=ttyS0" | |
6069ff26 WD |
129 | #define CONFIG_NETMASK 255.255.0.0 |
130 | #define CONFIG_IPADDR 192.168.3.68 | |
43d9616c | 131 | #define CONFIG_HOSTNAME trab |
c609719b WD |
132 | #define CONFIG_SERVERIP 192.168.3.1 |
133 | #define CONFIG_BOOTCOMMAND "run flash_nfs" | |
47cd00fa WD |
134 | |
135 | #ifndef CONFIG_BIG_FLASH | |
c609719b WD |
136 | #define CONFIG_EXTRA_ENV_SETTINGS \ |
137 | "nfs_args=setenv bootargs root=/dev/nfs rw " \ | |
138 | "nfsroot=$(serverip):$(rootpath)\0" \ | |
139 | "rootpath=/opt/eldk/arm_920TDI\0" \ | |
140 | "ram_args=setenv bootargs root=/dev/ram rw\0" \ | |
141 | "add_net=setenv bootargs $(bootargs) ethaddr=$(ethaddr) " \ | |
142 | "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off\0" \ | |
143 | "add_misc=setenv bootargs $(bootargs) console=ttyS0 panic=1\0" \ | |
144 | "load=tftp 0xC100000 /tftpboot/TRAB/u-boot.bin\0" \ | |
e95b61cf | 145 | "update=protect off 1:0-8;era 1:0-8;cp.b 0xc100000 0 $(filesize);" \ |
c609719b | 146 | "setenv filesize;saveenv\0" \ |
47cd00fa | 147 | "loadfile=/tftpboot/TRAB/uImage\0" \ |
c609719b WD |
148 | "loadaddr=c400000\0" \ |
149 | "net_load=tftpboot $(loadaddr) $(loadfile)\0" \ | |
150 | "net_nfs=run net_load nfs_args add_net add_misc;bootm\0" \ | |
151 | "kernel_addr=00040000\0" \ | |
152 | "flash_nfs=run nfs_args add_net add_misc;bootm $(kernel_addr)\0" \ | |
153 | "mdm_init1=ATZ\0" \ | |
154 | "mdm_init2=ATS0=1\0" \ | |
155 | "mdm_flow_control=rts/cts\0" | |
47cd00fa WD |
156 | #else /* CONFIG_BIG_FLASH */ |
157 | #define CONFIG_EXTRA_ENV_SETTINGS \ | |
158 | "nfs_args=setenv bootargs root=/dev/nfs rw " \ | |
159 | "nfsroot=$(serverip):$(rootpath)\0" \ | |
160 | "rootpath=/opt/eldk/arm_920TDI\0" \ | |
161 | "ram_args=setenv bootargs root=/dev/ram rw\0" \ | |
162 | "add_net=setenv bootargs $(bootargs) ethaddr=$(ethaddr) " \ | |
163 | "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off\0" \ | |
164 | "add_misc=setenv bootargs $(bootargs) console=ttyS0 panic=1\0" \ | |
165 | "load=tftp 0xC100000 /tftpboot/TRAB/u-boot.bin\0" \ | |
166 | "update=protect off 1:0;era 1:0;cp.b 0xc100000 0 $(filesize)\0" \ | |
167 | "loadfile=/tftpboot/TRAB/uImage\0" \ | |
168 | "loadaddr=c400000\0" \ | |
169 | "net_load=tftpboot $(loadaddr) $(loadfile)\0" \ | |
170 | "net_nfs=run net_load nfs_args add_net add_misc;bootm\0" \ | |
171 | "kernel_addr=00040000\0" \ | |
172 | "flash_nfs=run nfs_args add_net add_misc;bootm $(kernel_addr)\0" \ | |
173 | "mdm_init1=ATZ\0" \ | |
174 | "mdm_init2=ATS0=1\0" \ | |
175 | "mdm_flow_control=rts/cts\0" | |
176 | #endif /* CONFIG_BIG_FLASH */ | |
c609719b WD |
177 | |
178 | #if 0 /* disabled for development */ | |
179 | #define CONFIG_AUTOBOOT_KEYED /* Enable password protection */ | |
180 | #define CONFIG_AUTOBOOT_PROMPT "\nEnter password - autoboot in %d sec...\n" | |
181 | #define CONFIG_AUTOBOOT_DELAY_STR "system" /* 1st password */ | |
182 | #endif | |
183 | ||
184 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) | |
185 | #define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port */ | |
186 | /* what's this ? it's not used anywhere */ | |
187 | #define CONFIG_KGDB_SER_INDEX 1 /* which serial port to use */ | |
188 | #endif | |
189 | ||
190 | /* | |
191 | * Miscellaneous configurable options | |
192 | */ | |
193 | #define CFG_LONGHELP /* undef to save memory */ | |
194 | #define CFG_PROMPT "TRAB # " /* Monitor Command Prompt */ | |
195 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
196 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ | |
197 | #define CFG_MAXARGS 16 /* max number of command args */ | |
198 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
199 | ||
200 | #define CFG_MEMTEST_START 0x0c000000 /* memtest works on */ | |
201 | #define CFG_MEMTEST_END 0x0d000000 /* 16 MB in DRAM */ | |
202 | ||
203 | #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ | |
204 | ||
205 | #define CFG_LOAD_ADDR 0x0cf00000 /* default load address */ | |
206 | ||
207 | #ifdef CONFIG_TRAB_50MHZ | |
208 | /* the PWM TImer 4 uses a counter of 15625 for 10 ms, so we need */ | |
209 | /* it to wrap 100 times (total 1562500) to get 1 sec. */ | |
210 | /* this should _really_ be calculated !! */ | |
211 | #define CFG_HZ 1562500 | |
212 | #else | |
213 | /* the PWM TImer 4 uses a counter of 10390 for 10 ms, so we need */ | |
214 | /* it to wrap 100 times (total 1039000) to get 1 sec. */ | |
215 | /* this should _really_ be calculated !! */ | |
216 | #define CFG_HZ 1039000 | |
217 | #endif | |
218 | ||
219 | /* valid baudrates */ | |
220 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
221 | ||
222 | #define CONFIG_MISC_INIT_R /* have misc_init_r() function */ | |
223 | ||
224 | /*----------------------------------------------------------------------- | |
225 | * Stack sizes | |
226 | * | |
227 | * The stack sizes are set up in start.S using the settings below | |
228 | */ | |
229 | #define CONFIG_STACKSIZE (128*1024) /* regular stack */ | |
230 | #ifdef CONFIG_USE_IRQ | |
231 | #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ | |
232 | #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ | |
233 | #endif | |
234 | ||
235 | /*----------------------------------------------------------------------- | |
236 | * Physical Memory Map | |
237 | */ | |
238 | #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ | |
239 | #define PHYS_SDRAM_1 0x0c000000 /* SDRAM Bank #1 */ | |
240 | #define PHYS_SDRAM_1_SIZE 0x01000000 /* 16 MB */ | |
241 | ||
6069ff26 | 242 | #define CFG_FLASH_BASE 0x00000000 /* Flash Bank #1 */ |
c609719b WD |
243 | |
244 | /* The following #defines are needed to get flash environment right */ | |
6069ff26 | 245 | #define CFG_MONITOR_BASE CFG_FLASH_BASE |
47cd00fa | 246 | #ifndef CONFIG_BIG_FLASH |
c609719b | 247 | #define CFG_MONITOR_LEN (256 << 10) |
47cd00fa WD |
248 | #else |
249 | #define CFG_MONITOR_LEN (128 << 10) | |
250 | #endif | |
c609719b | 251 | |
c609719b WD |
252 | /*----------------------------------------------------------------------- |
253 | * FLASH and environment organization | |
254 | */ | |
255 | #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ | |
43d9616c WD |
256 | #ifndef CONFIG_BIG_FLASH |
257 | #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */ | |
258 | #else | |
6069ff26 | 259 | #define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ |
43d9616c | 260 | #endif |
c609719b WD |
261 | |
262 | /* timeout values are in ticks */ | |
263 | #define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */ | |
264 | #define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */ | |
265 | ||
266 | #define CFG_ENV_IS_IN_FLASH 1 | |
267 | ||
268 | /* Address and size of Primary Environment Sector */ | |
43d9616c | 269 | #ifndef CONFIG_BIG_FLASH |
6069ff26 | 270 | #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x4000) |
c609719b | 271 | #define CFG_ENV_SIZE 0x4000 |
43d9616c WD |
272 | #define CFG_ENV_SECT_SIZE 0x4000 |
273 | #else | |
47cd00fa | 274 | #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x20000) |
43d9616c WD |
275 | #define CFG_ENV_SIZE 0x4000 |
276 | #define CFG_ENV_SECT_SIZE 0x20000 | |
277 | #endif | |
c609719b WD |
278 | |
279 | /* Address and size of Redundant Environment Sector */ | |
43d9616c | 280 | #define CFG_ENV_OFFSET_REDUND (CFG_ENV_ADDR+CFG_ENV_SECT_SIZE) |
c609719b WD |
281 | #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) |
282 | ||
1cb8e980 WD |
283 | /* Initial value of the on-board touch screen brightness */ |
284 | #define CFG_BRIGHTNESS 0x20 | |
285 | ||
c609719b | 286 | #endif /* __CONFIG_H */ |