2 * (C) Copyright 2000-2005
3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
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 PPC405 CPU */
37 #define CONFIG_4xx 1 /* ...member of PPC4xx family */
38 #define CONFIG_WALNUT 1 /* ...on a WALNUT board */
39 /* ...and on a SYCAMORE board */
41 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
43 #define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
45 #define CONFIG_PREBOOT "echo;" \
46 "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
49 #undef CONFIG_BOOTARGS
51 #define CONFIG_EXTRA_ENV_SETTINGS \
54 "nfsargs=setenv bootargs root=/dev/nfs rw " \
55 "nfsroot=${serverip}:${rootpath}\0" \
56 "ramargs=setenv bootargs root=/dev/ram rw\0" \
57 "addip=setenv bootargs ${bootargs} " \
58 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
59 ":${hostname}:${netdev}:off panic=1\0" \
60 "addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
61 "flash_nfs=run nfsargs addip addtty;" \
62 "bootm ${kernel_addr}\0" \
63 "flash_self=run ramargs addip addtty;" \
64 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
65 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;" \
67 "rootpath=/opt/eldk/ppc_4xx\0" \
68 "bootfile=/tftpboot/walnut/uImage\0" \
69 "kernel_addr=fff80000\0" \
70 "ramdisk_addr=fff80000\0" \
71 "load=tftp 100000 /tftpboot/walnut/u-boot.bin\0" \
72 "update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;" \
73 "cp.b 100000 fffc0000 40000;" \
74 "setenv filesize;saveenv\0" \
75 "upd=run load;run update\0" \
77 #define CONFIG_BOOTCOMMAND "run net_nfs"
80 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
82 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
85 #define CONFIG_BAUDRATE 115200
87 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
88 #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
90 #define CONFIG_MII 1 /* MII PHY management */
91 #define CONFIG_PHY_ADDR 1 /* PHY address */
93 #define CONFIG_RTC_DS174x 1 /* use DS1743 RTC in Walnut */
95 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
112 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
113 #include <cmd_confdefs.h>
115 #undef CONFIG_WATCHDOG /* watchdog disabled */
117 #define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */
120 * Miscellaneous configurable options
122 #define CFG_LONGHELP /* undef to save memory */
123 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
124 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
125 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
127 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
129 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
130 #define CFG_MAXARGS 16 /* max number of command args */
131 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
133 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
134 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
137 * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
138 * If CFG_405_UART_ERRATA_59, then UART divisor is 31.
139 * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
140 * The Linux BASE_BAUD define should match this configuration.
141 * baseBaud = cpuClock/(uartDivisor*16)
142 * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
143 * set Linux BASE_BAUD to 403200.
145 #undef CONFIG_SERIAL_SOFTWARE_FIFO
146 #undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
147 #undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
148 #define CFG_BASE_BAUD 691200
150 /* The following table includes the supported baudrates */
151 #define CFG_BAUDRATE_TABLE \
152 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
154 #define CFG_LOAD_ADDR 0x100000 /* default load address */
155 #define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
157 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
159 #define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */
160 #define CONFIG_LOOPW 1 /* enable loopw command */
161 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
162 #define CONFIG_VERSION_VARIABLE 1 /* include version env variable */
164 #define CFG_RX_ETH_BUFFER 16 /* use 16 rx buffer on 405 emac */
166 #define CONFIG_NETCONSOLE /* include NetConsole support */
167 #define CONFIG_NET_MULTI /* needed for NetConsole */
169 /*-----------------------------------------------------------------------
171 *-----------------------------------------------------------------------
173 #define CONFIG_HARD_I2C 1 /* I2C with hardware support */
174 #undef CONFIG_SOFT_I2C /* I2C bit-banged */
175 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
176 #define CFG_I2C_SLAVE 0x7F
178 /*-----------------------------------------------------------------------
180 *-----------------------------------------------------------------------
182 #define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
183 #define PCI_HOST_FORCE 1 /* configure as pci host */
184 #define PCI_HOST_AUTO 2 /* detected via arbiter enable */
186 #define CONFIG_PCI /* include pci support */
187 #define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
188 #define CONFIG_PCI_PNP /* do pci plug-and-play */
189 /* resource configuration */
190 #define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
192 #define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */
193 #define CFG_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */
194 #define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */
195 #define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
196 #define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
197 #define CFG_PCI_PTM2LA 0x00000000 /* disabled */
198 #define CFG_PCI_PTM2MS 0x00000000 /* disabled */
199 #define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
201 /*-----------------------------------------------------------------------
202 * Start addresses for the final memory configuration
203 * (Set up by the startup code)
204 * Please note that CFG_SDRAM_BASE _must_ start at 0
206 #define CFG_SDRAM_BASE 0x00000000
207 #define CFG_FLASH_BASE 0xFFF80000
208 #define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */
209 #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
210 #define CFG_MONITOR_BASE (-CFG_MONITOR_LEN)
213 * Define here the location of the environment variables (FLASH or NVRAM).
214 * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
215 * supported for backward compatibility.
218 #define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
220 #define CFG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */
224 * For booting Linux, the board info and command line data
225 * have to be in the first 8 MB of memory, since this is
226 * the maximum mapped by the Linux kernel during initialization.
228 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
230 /*-----------------------------------------------------------------------
233 #define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
234 #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
236 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
237 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
239 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
240 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
242 #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
244 #define CFG_FLASH_ADDR0 0x5555
245 #define CFG_FLASH_ADDR1 0x2aaa
246 #define CFG_FLASH_WORD_SIZE unsigned char
248 #ifdef CFG_ENV_IS_IN_FLASH
249 #define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */
250 #define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
251 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
253 /* Address and size of Redundant Environment Sector */
254 #define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
255 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
256 #endif /* CFG_ENV_IS_IN_FLASH */
258 /*-----------------------------------------------------------------------
261 #define CFG_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */
262 #define CFG_NVRAM_SIZE 0x1ff8 /* NVRAM size */
264 #ifdef CFG_ENV_IS_IN_NVRAM
265 #define CFG_ENV_SIZE 0x1000 /* Size of Environment vars */
266 #define CFG_ENV_ADDR \
267 (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE) /* Env */
270 /*-----------------------------------------------------------------------
271 * Cache Configuration
273 #define CFG_DCACHE_SIZE 16384 /* For AMCC 405 CPUs, older 405 ppc's */
274 /* have only 8kB, 16kB is save here */
275 #define CFG_CACHELINE_SIZE 32 /* ... */
276 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
277 #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
280 /*-----------------------------------------------------------------------
281 * External Bus Controller (EBC) Setup
284 /* Memory Bank 0 (Flash Bank 0) initialization */
285 #define CFG_EBC_PB0AP 0x9B015480
286 #define CFG_EBC_PB0CR 0xFFF18000 /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit */
288 #define CFG_EBC_PB1AP 0x02815480
289 #define CFG_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
291 #define CFG_EBC_PB2AP 0x04815A80
292 #define CFG_EBC_PB2CR 0xF0118000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit */
294 #define CFG_EBC_PB3AP 0x01815280
295 #define CFG_EBC_PB3CR 0xF0218000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=8bit */
297 #define CFG_EBC_PB7AP 0x01815280
298 #define CFG_EBC_PB7CR 0xF0318000 /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit */
300 /*-----------------------------------------------------------------------
301 * External peripheral base address
302 *-----------------------------------------------------------------------
304 #define CFG_KEY_REG_BASE_ADDR 0xF0100000
305 #define CFG_IR_REG_BASE_ADDR 0xF0200000
306 #define CFG_FPGA_REG_BASE_ADDR 0xF0300000
308 /*-----------------------------------------------------------------------
309 * Definitions for initial stack pointer and data area
311 #define CFG_INIT_DCACHE_CS 4 /* use cs # 4 for data cache memory */
313 #define CFG_INIT_RAM_ADDR 0x40000000 /* inside of SDRAM */
314 #define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */
315 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
316 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
317 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
319 /*-----------------------------------------------------------------------
320 * Definitions for Serial Presence Detect EEPROM address
321 * (to get SDRAM settings)
323 #define SPD_EEPROM_ADDRESS 0x50
326 * Internal Definitions
330 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
331 #define BOOTFLAG_WARM 0x02 /* Software reboot */
333 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
334 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
335 #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
337 #endif /* __CONFIG_H */