3 * Gary Jennejohn <gj@denx.de>
5 * Configuation settings for the TRAB board.
7 * See file CREDITS for list of people who contributed to this
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.
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.
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,
30 * If we are developing, we might want to start armboot from ram
31 * so we MUST NOT initialize critical regs like mem-timing ...
33 #define CONFIG_INIT_CRITICAL /* undef for developing */
36 * High Level Configuration Options
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 */
44 /* input clock of PLL */
45 #define CONFIG_SYS_CLK_FREQ 12000000 /* TRAB has 12 MHz input clock */
47 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
49 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
50 #define CONFIG_SETUP_MEMORY_TAGS 1
51 #define CONFIG_INITRD_TAG 1
54 * Size of malloc() pool
56 #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
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 */
65 #define CONFIG_VFD 1 /* VFD linear frame buffer driver */
66 #define VFD_TEST_LOGO 1 /* output a test logo to the VFDs */
69 * select serial console configuration
71 #define CONFIG_SERIAL1 1 /* we use SERIAL 1 on TRAB */
73 #define CONFIG_HWFLOW /* include RTS/CTS flow control support */
75 #define CONFIG_MODEM_SUPPORT 1 /* enable modem initialization stuff */
77 #define CONFIG_MODEM_KEY_MAGIC "23" /* hold down these keys to enable modem */
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
84 #undef CONFIG_MODEM_SUPPORT_DEBUG
86 /* allow to overwrite serial and ethaddr */
87 #define CONFIG_ENV_OVERWRITE
89 #define CONFIG_BAUDRATE 115200
91 #define CONFIG_TIMESTAMP 1 /* Print timestamp info for images */
93 /* Use s3c2400's RTC */
94 #define CONFIG_RTC_S3C24X0 1
97 #define CONFIG_COMMANDS_ADD_HWFLOW CFG_CMD_HWFLOW
99 #define CONFIG_COMMANDS_ADD_HWFLOW 0
103 #define CONFIG_COMMANDS_ADD_VFD CFG_CMD_VFD
105 #define CONFIG_COMMANDS_ADD_VFD 0
109 #define CONFIG_COMMANDS ((CONFIG_CMD_DFL & ~CFG_CMD_CACHE) | \
112 CONFIG_COMMANDS_ADD_HWFLOW | \
113 CONFIG_COMMANDS_ADD_VFD )
115 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
118 CONFIG_COMMANDS_ADD_HWFLOW | \
119 CONFIG_COMMANDS_ADD_VFD )
122 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
123 #include <cmd_confdefs.h>
125 #define CONFIG_BOOTDELAY 5
126 #define CONFIG_ZERO_BOOTDELAY_CHECK /* allow to break in always */
127 #define CONFIG_PREBOOT "echo;echo *** booting ***;echo"
128 #define CONFIG_BOOTARGS "console=ttyS0"
129 #define CONFIG_NETMASK 255.255.0.0
130 #define CONFIG_IPADDR 192.168.3.68
131 #define CONFIG_HOSTNAME trab
132 #define CONFIG_SERVERIP 192.168.3.1
133 #define CONFIG_BOOTCOMMAND "run flash_nfs"
135 #ifndef CONFIG_BIG_FLASH
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" \
145 "update=protect off 1:0-8;era 1:0-8;cp.b 0xc100000 0 $(filesize);" \
146 "setenv filesize;saveenv\0" \
147 "loadfile=/tftpboot/TRAB/uImage\0" \
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 $(kernel_addr)\0" \
154 "mdm_init2=ATS0=1\0" \
155 "mdm_flow_control=rts/cts\0"
156 #else /* CONFIG_BIG_FLASH */
157 #define CONFIG_EXTRA_ENV_SETTINGS \
158 "nfs_args=setenv bootargs root=/dev/nfs rw " \
159 "nfsroot=$(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" \
174 "mdm_init2=ATS0=1\0" \
175 "mdm_flow_control=rts/cts\0"
176 #endif /* CONFIG_BIG_FLASH */
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 */
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 */
191 * Miscellaneous configurable options
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 */
200 #define CFG_MEMTEST_START 0x0c000000 /* memtest works on */
201 #define CFG_MEMTEST_END 0x0d000000 /* 16 MB in DRAM */
203 #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
205 #define CFG_LOAD_ADDR 0x0cf00000 /* default load address */
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
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
219 /* valid baudrates */
220 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
222 #define CONFIG_MISC_INIT_R /* have misc_init_r() function */
224 /*-----------------------------------------------------------------------
227 * The stack sizes are set up in start.S using the settings below
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 */
235 /*-----------------------------------------------------------------------
236 * Physical Memory Map
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 */
242 #define CFG_FLASH_BASE 0x00000000 /* Flash Bank #1 */
244 /* The following #defines are needed to get flash environment right */
245 #define CFG_MONITOR_BASE CFG_FLASH_BASE
246 #ifndef CONFIG_BIG_FLASH
247 #define CFG_MONITOR_LEN (256 << 10)
249 #define CFG_MONITOR_LEN (128 << 10)
252 /*-----------------------------------------------------------------------
253 * FLASH and environment organization
255 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
256 #ifndef CONFIG_BIG_FLASH
257 #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
259 #define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
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 */
266 #define CFG_ENV_IS_IN_FLASH 1
268 /* Address and size of Primary Environment Sector */
269 #ifndef CONFIG_BIG_FLASH
270 #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x4000)
271 #define CFG_ENV_SIZE 0x4000
272 #define CFG_ENV_SECT_SIZE 0x4000
274 #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x20000)
275 #define CFG_ENV_SIZE 0x4000
276 #define CFG_ENV_SECT_SIZE 0x20000
279 /* Address and size of Redundant Environment Sector */
280 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_ADDR+CFG_ENV_SECT_SIZE)
281 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
283 /* Initial value of the on-board touch screen brightness */
284 #define CFG_BRIGHTNESS 0x20
286 #endif /* __CONFIG_H */