3 * Tolunay Orkun, Nextio Inc., torkun@nextio.com
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * board/config.h - configuration options, board specific
32 * High Level Configuration Options
36 #define CONFIG_405GP 1 /* This is a PPC405GP CPU */
37 #define CONFIG_4xx 1 /* ...member of PPC4xx family */
38 #define CONFIG_CSB472 1 /* on a Cogent CSB472 board */
39 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f() */
40 #define CONFIG_LAST_STAGE_INIT 1 /* Call last_stage_init() */
41 #define CONFIG_SYS_CLK_FREQ 25000000 /* external frequency to pll */
44 * OS Bootstrap configuration
49 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
51 #define CONFIG_BOOTDELAY 3 /* autoboot after X seconds */
54 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check keypress when bootdelay = 0 */
57 #undef CONFIG_BOOTARGS
58 #define CONFIG_BOOTCOMMAND \
59 "setenv bootargs console=ttyS0,38400 debug " \
60 "root=/dev/ram rw ramdisk_size=4096 " \
61 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
62 "bootm ff800000 ff900000"
66 #undef CONFIG_BOOTARGS
67 #define CONFIG_BOOTCOMMAND \
69 "setenv bootargs console=ttyS0,38400 debug " \
70 "root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
71 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
76 * BOOTP/DHCP protocol configuration
79 #define CONFIG_BOOTP_MASK ( CONFIG_BOOTP_DEFAULT | \
81 CONFIG_BOOTP_BOOTFILESIZE )
83 * U-Boot Monitor Command Line Functions Configuration
86 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
98 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
99 #include <cmd_confdefs.h>
102 * Serial download configuration
105 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
106 #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
112 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
113 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
114 #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
118 * Miscellaneous configurable options
121 #undef CFG_HUSH_PARSER /* use "hush" command parser */
122 #ifdef CFG_HUSH_PARSER
123 #define CFG_PROMPT_HUSH_PS2 "> " /* hush shell secondary prompt */
126 #define CFG_LONGHELP /* undef to save memory */
127 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
128 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
129 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
131 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
133 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
134 #define CFG_MAXARGS 16 /* max number of command args */
135 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
137 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
138 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
140 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
141 #define CFG_CLKS_IN_HZ 1 /* everything, incl board info, in Hz */
142 #define CFG_EXTBDINFO 1 /* To use extended board_info (bd_t) */
143 #define CFG_LOAD_ADDR 0x100000 /* default load address */
146 * For booting Linux, the board info and command line data
147 * have to be in the first 8 MB of memory, since this is
148 * the maximum mapped by the Linux kernel during initialization.
150 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
153 * watchdog configuration
156 #undef CONFIG_WATCHDOG /* watchdog disabled */
162 #undef CFG_EXT_SERIAL_CLOCK /* use internal serial clock */
163 #undef CFG_IGNORE_405_UART_ERRATA_59 /* ignore ppc405gp errata #59 */
164 #define CFG_BASE_BAUD 691200
165 #define CONFIG_BAUDRATE 38400 /* Default baud rate */
166 #define CFG_BAUDRATE_TABLE \
167 { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400 }
173 #define CONFIG_HARD_I2C 1 /* I2C with hardware support */
174 #define CFG_I2C_SPEED 100000 /* I2C speed */
175 #define CFG_I2C_SLAVE 0x7F /* I2C slave address */
178 * MII PHY configuration
181 #define CONFIG_MII 1 /* MII PHY management */
182 #define CONFIG_PHY_ADDR 0 /* PHY address */
183 #define CONFIG_PHY_CMD_DELAY 40 /* PHY COMMAND delay */
184 /* 32usec min. for LXT971A */
185 #define CONFIG_PHY_RESET_DELAY 300 /* PHY RESET recovery delay */
190 * Note that DS1307 RTC is limited to 100Khz I2C bus.
193 #define CONFIG_RTC_DS1307 /* Use Dallas 1307 RTC */
199 #define CONFIG_PCI /* include pci support */
200 #define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
201 #define PCI_HOST_FORCE 1 /* configure as pci host */
202 #define PCI_HOST_AUTO 2 /* detected via arbiter enable */
204 #define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
205 #define CONFIG_PCI_PNP /* do pci plug-and-play */
206 /* resource configuration */
207 #undef CONFIG_PCI_SCAN_SHOW /* print pci devices @ startup */
208 #define CONFIG_PCI_BOOTDELAY 0 /* enable pci bootdelay variable*/
210 #define CFG_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */
211 #define CFG_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */
212 #define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */
213 #define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
214 #define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
215 #define CFG_PCI_PTM2LA 0x00000000 /* disabled */
216 #define CFG_PCI_PTM2MS 0x00000000 /* disabled */
217 #define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
223 #undef CONFIG_IDE_PCMCIA /* no pcmcia interface required */
224 #undef CONFIG_IDE_LED /* no led for ide supported */
225 #undef CONFIG_IDE_RESET /* no reset for ide supported */
228 * Environment configuration
231 #define CFG_ENV_IS_IN_FLASH 1 /* environment is in FLASH */
232 #undef CFG_ENV_IS_IN_NVRAM
233 #undef CFG_ENV_IS_IN_EEPROM
236 * General Memory organization
238 * Start addresses for the final memory configuration
239 * (Set up by the startup code)
240 * Please note that CFG_SDRAM_BASE _must_ start at 0
242 #define CFG_SDRAM_BASE 0x00000000
243 #define CFG_FLASH_BASE 0xFF800000
244 #define CFG_FLASH_SIZE 0x00800000
245 #define CFG_MONITOR_BASE TEXT_BASE
246 #define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 KB for Monitor */
247 #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 KB for malloc() */
249 #if CFG_MONITOR_BASE < CFG_FLASH_BASE
253 #if defined(CFG_ENV_IS_IN_FLASH)
254 #define CFG_ENV_IN_OWN_SECTOR 1 /* Give Environment own sector */
255 #define CFG_ENV_ADDR 0xFFF00000 /* Address of Environment Sector */
256 #define CFG_ENV_SIZE 0x00001000 /* Size of Environment */
257 #define CFG_ENV_SECT_SIZE 0x00040000 /* Size of Environment Sector */
261 * FLASH Device configuration
264 #define CFG_FLASH_CFI 1 /* flash is CFI conformant */
265 #define CFG_FLASH_CFI_DRIVER 1 /* use common cfi driver */
266 #define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
267 #define CFG_MAX_FLASH_BANKS 1 /* max # of memory banks */
268 #define CFG_FLASH_INCREMENT 0 /* there is only one bank */
269 #define CFG_MAX_FLASH_SECT 64 /* max # of sectors on one chip */
270 #define CFG_FLASH_PROTECTION 1 /* hardware flash protection */
271 #define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE }
274 * On Chip Memory location/size
277 #define CFG_OCM_DATA_ADDR 0xF8000000
278 #define CFG_OCM_DATA_SIZE 0x1000
281 * Global info and initial stack
284 #define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of on-chip SRAM */
285 #define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */
286 #define CFG_GBL_DATA_SIZE 128 /* byte size reserved for initial data */
287 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
288 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
291 * Cache configuration
294 #define CFG_DCACHE_SIZE 16384 /* For IBM 405 CPUs, older 405 ppc's */
295 /* have only 8kB, 16kB is save here */
296 #define CFG_CACHELINE_SIZE 32
299 * Miscellaneous board specific definitions
302 #define CONFIG_I2CFAST 1 /* enable "i2cfast" env. setting */
305 * Internal Definitions
310 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
311 #define BOOTFLAG_WARM 0x02 /* Software reboot */
313 #endif /* __CONFIG_H */