3 * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.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_405CR 1 /* This is a PPC405CR CPU */
37 #define CONFIG_4xx 1 /* ...member of PPC4xx family */
38 #define CONFIG_CANBT 1 /* ...on a CANBT board */
40 #define CONFIG_SYS_TEXT_BASE 0xFFFC0000
42 #define CONFIG_BOARD_EARLY_INIT_F 1 /* call board_early_init_f() */
44 #define CONFIG_SYS_CLK_FREQ 25000000 /* external frequency to pll */
46 #define CONFIG_BAUDRATE 115200
47 #define CONFIG_BOOTDELAY 1 /* autoboot after 1 seconds */
49 #undef CONFIG_BOOTARGS
50 #define CONFIG_BOOTCOMMAND \
51 "setenv bootargs root=/dev/ram rw console=ttyS0,115200; " \
52 "bootm ffe00000 ffe80000"
54 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
55 #define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
57 #undef CONFIG_PCI_PNP /* no pci plug-and-play */
59 #define CONFIG_PHY_ADDR 0 /* PHY address */
65 #define CONFIG_BOOTP_BOOTFILESIZE
66 #define CONFIG_BOOTP_BOOTPATH
67 #define CONFIG_BOOTP_GATEWAY
68 #define CONFIG_BOOTP_HOSTNAME
72 * Command line configuration.
74 #include <config_cmd_default.h>
76 #define CONFIG_CMD_IRQ
77 #define CONFIG_CMD_EEPROM
82 #undef CONFIG_WATCHDOG /* watchdog disabled */
84 #define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */
87 * Miscellaneous configurable options
89 #define CONFIG_SYS_LONGHELP /* undef to save memory */
90 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
91 #if defined(CONFIG_CMD_KGDB)
92 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
94 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
96 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
97 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
98 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
100 #define CONFIG_SYS_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
102 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
103 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
105 #define CONFIG_CONS_INDEX 1 /* Use UART0 */
106 #define CONFIG_SYS_NS16550
107 #define CONFIG_SYS_NS16550_SERIAL
108 #define CONFIG_SYS_NS16550_REG_SIZE 1
109 #define CONFIG_SYS_NS16550_CLK get_serial_clock()
111 #define CONFIG_SYS_EXT_SERIAL_CLOCK 14745600 /* use external serial clock */
113 /* The following table includes the supported baudrates */
114 #define CONFIG_SYS_BAUDRATE_TABLE \
115 { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, \
116 57600, 115200, 230400, 460800, 921600 }
118 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
119 #define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
121 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
123 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
125 /*-----------------------------------------------------------------------
126 * Start addresses for the final memory configuration
127 * (Set up by the startup code)
128 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
130 #define CONFIG_SYS_SDRAM_BASE 0x00000000
131 #define CONFIG_SYS_FLASH_BASE CONFIG_SYS_MONITOR_BASE
132 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
133 #define CONFIG_SYS_MONITOR_LEN (~(CONFIG_SYS_TEXT_BASE) + 1)
134 #define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
137 * For booting Linux, the board info and command line data
138 * have to be in the first 8 MB of memory, since this is
139 * the maximum mapped by the Linux kernel during initialization.
141 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
142 /*-----------------------------------------------------------------------
145 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
146 #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
148 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
149 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
151 #define CONFIG_SYS_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
152 #define CONFIG_SYS_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
153 #define CONFIG_SYS_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
155 * The following defines are added for buggy IOP480 byte interface.
156 * All other boards should use the standard values (CPCI405 etc.)
158 #define CONFIG_SYS_FLASH_READ0 0x0000 /* 0 is standard */
159 #define CONFIG_SYS_FLASH_READ1 0x0001 /* 1 is standard */
160 #define CONFIG_SYS_FLASH_READ2 0x0002 /* 2 is standard */
162 #define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
164 #if 0 /* Use FLASH for environment variables */
166 #define CONFIG_ENV_IS_IN_FLASH 1
167 #define CONFIG_ENV_OFFSET 0x00010000 /* Offset of Environment Sector */
168 #define CONFIG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
170 #define CONFIG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
172 #else /* Use EEPROM for environment variables */
174 #define CONFIG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */
175 #define CONFIG_ENV_OFFSET 0x000 /* environment starts at the beginning of the EEPROM */
176 #define CONFIG_ENV_SIZE 0x400 /* 1024 bytes may be used for env vars */
177 /* total size of a CAT24WC08 is 1024 bytes */
180 /*-----------------------------------------------------------------------
181 * I2C EEPROM (CAT24WC08) for environment
183 #define CONFIG_HARD_I2C /* I2C with hardware support */
184 #define CONFIG_PPC4XX_I2C /* use PPC4xx driver */
185 #define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed and slave address */
186 #define CONFIG_SYS_I2C_SLAVE 0x7F
188 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC08 */
189 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
190 /* mask of address bits that overflow into the "EEPROM chip address" */
191 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07
194 * Init Memory Controller:
196 * BR0/1 and OR0/1 (FLASH)
199 #define FLASH_BASE0_PRELIM 0xFFC00000 /* FLASH bank #0 */
200 #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
202 /*-----------------------------------------------------------------------
203 * External Bus Controller (EBC) Setup
206 /* Memory Bank 0 (Flash Bank 0) initialization */
207 #define CONFIG_SYS_EBC_PB0AP 0x92015480
208 #define CONFIG_SYS_EBC_PB0CR 0xFFC5A000 /* BAS=0xFFC,BS=4MB,BU=R/W,BW=16bit */
210 /* Memory Bank 1 (CAN/USB) initialization */
211 #define CONFIG_SYS_EBC_PB1AP 0x010053C0 /* enable Ready, BEM=1 */
212 #define CONFIG_SYS_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
214 /* Memory Bank 2 (Misc-IO/LEDs) initialization */
215 #define CONFIG_SYS_EBC_PB2AP 0x000004c0 /* no Ready, BEM=1 */
216 #define CONFIG_SYS_EBC_PB2CR 0xF0118000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit */
218 /* Memory Bank 3 (CAN Features) initialization */
219 #define CONFIG_SYS_EBC_PB3AP 0x80000040 /* no Ready, BEM=1 */
220 #define CONFIG_SYS_EBC_PB3CR 0xF021C000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=32bit */
222 /*-----------------------------------------------------------------------
223 * Definitions for initial stack pointer and data area (in RAM)
225 #define CONFIG_SYS_INIT_RAM_ADDR 0x00ef0000 /* inside of SDRAM */
226 #define CONFIG_SYS_INIT_RAM_SIZE 0x0f00 /* Size of used area in RAM */
227 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
228 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
230 #endif /* __CONFIG_H */