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_BOARD_EARLY_INIT_F 1 /* call board_early_init_f() */
42 #define CONFIG_SYS_CLK_FREQ 25000000 /* external frequency to pll */
44 #define CONFIG_BAUDRATE 115200
45 #define CONFIG_BOOTDELAY 1 /* autoboot after 1 seconds */
47 #undef CONFIG_BOOTARGS
48 #define CONFIG_BOOTCOMMAND \
49 "setenv bootargs root=/dev/ram rw console=ttyS0,115200; " \
50 "bootm ffe00000 ffe80000"
52 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
53 #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
55 #undef CONFIG_PCI_PNP /* no pci plug-and-play */
57 #define CONFIG_PHY_ADDR 0 /* PHY address */
61 * Command line configuration.
63 #include <config_cmd_default.h>
65 #define CONFIG_CMD_IRQ
66 #define CONFIG_CMD_EEPROM
71 #undef CONFIG_WATCHDOG /* watchdog disabled */
73 #define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */
76 * Miscellaneous configurable options
78 #define CFG_LONGHELP /* undef to save memory */
79 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
80 #if defined(CONFIG_CMD_KGDB)
81 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
83 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
85 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
86 #define CFG_MAXARGS 16 /* max number of command args */
87 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
89 #define CFG_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
91 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
92 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
94 #define CFG_EXT_SERIAL_CLOCK 14745600 /* use external serial clock */
96 /* The following table includes the supported baudrates */
97 #define CFG_BAUDRATE_TABLE \
98 { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, \
99 57600, 115200, 230400, 460800, 921600 }
101 #define CFG_LOAD_ADDR 0x100000 /* default load address */
102 #define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
104 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
106 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
108 /*-----------------------------------------------------------------------
109 * Start addresses for the final memory configuration
110 * (Set up by the startup code)
111 * Please note that CFG_SDRAM_BASE _must_ start at 0
113 #define CFG_SDRAM_BASE 0x00000000
114 #define CFG_FLASH_BASE 0xFFFE0000
115 #define CFG_MONITOR_BASE CFG_FLASH_BASE
116 #define CFG_MONITOR_LEN (128 * 1024) /* Reserve 128 kB for Monitor */
117 #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
120 * For booting Linux, the board info and command line data
121 * have to be in the first 8 MB of memory, since this is
122 * the maximum mapped by the Linux kernel during initialization.
124 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
125 /*-----------------------------------------------------------------------
128 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
129 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
131 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
132 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
134 #define CFG_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
135 #define CFG_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
136 #define CFG_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
138 * The following defines are added for buggy IOP480 byte interface.
139 * All other boards should use the standard values (CPCI405 etc.)
141 #define CFG_FLASH_READ0 0x0000 /* 0 is standard */
142 #define CFG_FLASH_READ1 0x0001 /* 1 is standard */
143 #define CFG_FLASH_READ2 0x0002 /* 2 is standard */
145 #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
147 #if 0 /* Use FLASH for environment variables */
149 #define CFG_ENV_IS_IN_FLASH 1
150 #define CFG_ENV_OFFSET 0x00010000 /* Offset of Environment Sector */
151 #define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
153 #define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
155 #else /* Use EEPROM for environment variables */
157 #define CFG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */
158 #define CFG_ENV_OFFSET 0x000 /* environment starts at the beginning of the EEPROM */
159 #define CFG_ENV_SIZE 0x400 /* 1024 bytes may be used for env vars */
160 /* total size of a CAT24WC08 is 1024 bytes */
163 /*-----------------------------------------------------------------------
164 * I2C EEPROM (CAT24WC08) for environment
166 #define CONFIG_HARD_I2C /* I2C with hardware support */
167 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
168 #define CFG_I2C_SLAVE 0x7F
170 #define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC08 */
171 #define CFG_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
172 /* mask of address bits that overflow into the "EEPROM chip address" */
173 #define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
175 /*-----------------------------------------------------------------------
176 * Cache Configuration
178 #define CFG_DCACHE_SIZE 8192 /* For AMCC 405 CPUs */
179 #define CFG_CACHELINE_SIZE 32 /* ... */
180 #if defined(CONFIG_CMD_KGDB)
181 #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
185 * Init Memory Controller:
187 * BR0/1 and OR0/1 (FLASH)
190 #define FLASH_BASE0_PRELIM 0xFFC00000 /* FLASH bank #0 */
191 #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
193 /*-----------------------------------------------------------------------
194 * External Bus Controller (EBC) Setup
197 /* Memory Bank 0 (Flash Bank 0) initialization */
198 #define CFG_EBC_PB0AP 0x92015480
199 #define CFG_EBC_PB0CR 0xFFC5A000 /* BAS=0xFFC,BS=4MB,BU=R/W,BW=16bit */
201 /* Memory Bank 1 (CAN/USB) initialization */
202 #define CFG_EBC_PB1AP 0x010053C0 /* enable Ready, BEM=1 */
203 #define CFG_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
205 /* Memory Bank 2 (Misc-IO/LEDs) initialization */
206 #define CFG_EBC_PB2AP 0x000004c0 /* no Ready, BEM=1 */
207 #define CFG_EBC_PB2CR 0xF0118000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit */
209 /* Memory Bank 3 (CAN Features) initialization */
210 #define CFG_EBC_PB3AP 0x80000040 /* no Ready, BEM=1 */
211 #define CFG_EBC_PB3CR 0xF021C000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=32bit */
213 /*-----------------------------------------------------------------------
214 * Definitions for initial stack pointer and data area (in RAM)
216 #define CFG_INIT_RAM_ADDR 0x00ef0000 /* inside of SDRAM */
217 #define CFG_INIT_RAM_END 0x0f00 /* End of used area in RAM */
218 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
219 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
220 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
224 * Internal Definitions
228 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
229 #define BOOTFLAG_WARM 0x02 /* Software reboot */
231 #endif /* __CONFIG_H */