2 * (C) Copyright 2001-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@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,
24 /* ------------------------------------------------------------------------- */
27 * board/config.h - configuration options, board specific
34 * High Level Configuration Options
38 #define CONFIG_MPC824X 1
39 #define CONFIG_MPC8240 1
40 #define CONFIG_SANDPOINT 1
42 #define CONFIG_SYS_TEXT_BASE 0xFFF00000
43 #define CONFIG_SYS_LDSCRIPT "board/sandpoint/u-boot.lds"
51 #define CONFIG_CONS_INDEX 1
52 #define CONFIG_BAUDRATE 9600
54 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
56 #define CONFIG_TIMESTAMP /* Print image info with timestamp */
58 #define CONFIG_PREBOOT "echo;" \
59 "echo Type \"run net_nfs\" to mount root filesystem over NFS;" \
62 #undef CONFIG_BOOTARGS
64 #define CONFIG_EXTRA_ENV_SETTINGS \
66 "nfsargs=setenv bootargs root=/dev/nfs rw " \
67 "nfsroot=${serverip}:${rootpath}\0" \
68 "ramargs=setenv bootargs root=/dev/ram rw\0" \
69 "addip=setenv bootargs ${bootargs} " \
70 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
71 ":${hostname}:${netdev}:off panic=1\0" \
72 "net_self=tftp ${kernel_addr} ${bootfile};" \
73 "tftp ${ramdisk_addr} ${ramdisk};" \
74 "run ramargs addip;" \
75 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
76 "net_nfs=tftp ${kernel_addr} ${bootfile};" \
77 "run nfsargs addip;bootm\0" \
78 "rootpath=/opt/eldk/ppc_82xx\0" \
79 "bootfile=/tftpboot/SP8240/uImage\0" \
80 "ramdisk=/tftpboot/SP8240/uRamdisk\0" \
81 "kernel_addr=200000\0" \
82 "ramdisk_addr=400000\0" \
84 #define CONFIG_BOOTCOMMAND "run flash_self"
90 #define CONFIG_BOOTP_BOOTFILESIZE
91 #define CONFIG_BOOTP_BOOTPATH
92 #define CONFIG_BOOTP_GATEWAY
93 #define CONFIG_BOOTP_HOSTNAME
97 * Command line configuration.
99 #include <config_cmd_default.h>
101 #define CONFIG_CMD_DHCP
102 #define CONFIG_CMD_ELF
103 #define CONFIG_CMD_I2C
104 #define CONFIG_CMD_SDRAM
105 #define CONFIG_CMD_EEPROM
106 #define CONFIG_CMD_NFS
107 #define CONFIG_CMD_PCI
108 #define CONFIG_CMD_SNTP
111 #define CONFIG_DRAM_SPEED 100 /* MHz */
114 * Miscellaneous configurable options
116 #define CONFIG_SYS_LONGHELP 1 /* undef to save memory */
117 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
118 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
119 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
120 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
121 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
122 #define CONFIG_SYS_LOAD_ADDR 0x00100000 /* default load address */
123 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
125 /*-----------------------------------------------------------------------
127 *-----------------------------------------------------------------------
129 #define CONFIG_PCI /* include pci support */
130 #undef CONFIG_PCI_PNP
133 #define CONFIG_EEPRO100
134 #define CONFIG_SYS_RX_ETH_BUFFER 8 /* use 8 rx buffer on eepro100 */
136 #define PCI_ENET0_IOADDR 0x80000000
137 #define PCI_ENET0_MEMADDR 0x80000000
138 #define PCI_ENET1_IOADDR 0x81000000
139 #define PCI_ENET1_MEMADDR 0x81000000
142 /*-----------------------------------------------------------------------
143 * Start addresses for the final memory configuration
144 * (Set up by the startup code)
145 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
147 #define CONFIG_SYS_SDRAM_BASE 0x00000000
148 #define CONFIG_SYS_MAX_RAM_SIZE 0x10000000
150 #define CONFIG_SYS_RESET_ADDRESS 0xFFF00100
152 #if defined (USE_DINK32)
153 #define CONFIG_SYS_MONITOR_LEN 0x00030000
154 #define CONFIG_SYS_MONITOR_BASE 0x00090000
155 #define CONFIG_SYS_RAMBOOT 1
156 #define CONFIG_SYS_INIT_RAM_ADDR (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)
157 #define CONFIG_SYS_INIT_RAM_SIZE 0x10000
158 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
159 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
161 #undef CONFIG_SYS_RAMBOOT
162 #define CONFIG_SYS_MONITOR_LEN 0x00030000
163 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
166 #define CONFIG_SYS_INIT_RAM_ADDR 0x40000000
167 #define CONFIG_SYS_INIT_RAM_SIZE 0x1000
168 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
172 #define CONFIG_SYS_FLASH_BASE 0xFFF00000
174 #define CONFIG_SYS_FLASH_SIZE (512 * 1024) /* sandpoint has tiny eeprom */
176 #define CONFIG_SYS_FLASH_SIZE (1024 * 1024) /* Unity has onboard 1MByte flash */
178 #define CONFIG_ENV_IS_IN_FLASH 1
179 #define CONFIG_ENV_OFFSET 0x00004000 /* Offset of Environment Sector */
180 #define CONFIG_ENV_SIZE 0x00002000 /* Total Size of Environment Sector */
182 #define CONFIG_SYS_MALLOC_LEN (512 << 10) /* Reserve 512 kB for malloc() */
184 #define CONFIG_SYS_MEMTEST_START 0x00000000 /* memtest works on */
185 #define CONFIG_SYS_MEMTEST_END 0x04000000 /* 0 ... 32 MB in DRAM */
187 #define CONFIG_SYS_EUMB_ADDR 0xFC000000
189 #define CONFIG_SYS_ISA_MEM 0xFD000000
190 #define CONFIG_SYS_ISA_IO 0xFE000000
192 #define CONFIG_SYS_FLASH_RANGE_BASE 0xFF000000 /* flash memory address range */
193 #define CONFIG_SYS_FLASH_RANGE_SIZE 0x01000000
194 #define FLASH_BASE0_PRELIM 0xFFF00000 /* sandpoint flash */
195 #define FLASH_BASE1_PRELIM 0xFF000000 /* PMC onboard flash */
198 * select i2c support configuration
200 * Supported configurations are {none, software, hardware} drivers.
201 * If the software driver is chosen, there are some additional
202 * configuration items that the driver uses to drive the port pins.
204 #define CONFIG_HARD_I2C 1 /* To enable I2C support */
205 #undef CONFIG_SOFT_I2C /* I2C bit-banged */
206 #define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed and slave address */
207 #define CONFIG_SYS_I2C_SLAVE 0x7F
209 #ifdef CONFIG_SOFT_I2C
210 #error "Soft I2C is not configured properly. Please review!"
211 #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
212 #define I2C_ACTIVE (iop->pdir |= 0x00010000)
213 #define I2C_TRISTATE (iop->pdir &= ~0x00010000)
214 #define I2C_READ ((iop->pdat & 0x00010000) != 0)
215 #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
216 else iop->pdat &= ~0x00010000
217 #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
218 else iop->pdat &= ~0x00020000
219 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
220 #endif /* CONFIG_SOFT_I2C */
223 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x57 /* EEPROM IS24C02 */
224 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */
225 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3 /* write page size */
226 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */
229 #define CONFIG_SYS_FLASH_BANKS { FLASH_BASE0_PRELIM , FLASH_BASE1_PRELIM }
231 /*-----------------------------------------------------------------------
232 * Definitions for initial stack pointer and data area (in DPRAM)
236 /* #define CONFIG_WINBOND_83C553 1 / *has a winbond bridge */
237 #define CONFIG_SYS_USE_WINBOND_IDE 0 /*use winbond 83c553 internal IDE ctrlr */
238 #define CONFIG_SYS_WINBOND_ISA_CFG_ADDR 0x80005800 /*pci-isa bridge config addr */
239 #define CONFIG_SYS_WINBOND_IDE_CFG_ADDR 0x80005900 /*ide config addr */
241 #define CONFIG_SYS_IDE_MAXBUS 2 /* max. 2 IDE busses */
242 #define CONFIG_SYS_IDE_MAXDEVICE (CONFIG_SYS_IDE_MAXBUS*2) /* max. 2 drives per IDE bus */
245 * NS87308 Configuration
247 #define CONFIG_NS87308 /* Nat Semi super-io controller on ISA bus */
249 #define CONFIG_SYS_NS87308_BADDR_10 1
251 #define CONFIG_SYS_NS87308_DEVS ( CONFIG_SYS_NS87308_UART1 | \
252 CONFIG_SYS_NS87308_UART2 | \
253 CONFIG_SYS_NS87308_POWRMAN | \
254 CONFIG_SYS_NS87308_RTC_APC )
256 #undef CONFIG_SYS_NS87308_PS2MOD
258 #define CONFIG_SYS_NS87308_CS0_BASE 0x0076
259 #define CONFIG_SYS_NS87308_CS0_CONF 0x30
260 #define CONFIG_SYS_NS87308_CS1_BASE 0x0075
261 #define CONFIG_SYS_NS87308_CS1_CONF 0x30
262 #define CONFIG_SYS_NS87308_CS2_BASE 0x0074
263 #define CONFIG_SYS_NS87308_CS2_CONF 0x30
266 * NS16550 Configuration
268 #define CONFIG_SYS_NS16550
269 #define CONFIG_SYS_NS16550_SERIAL
271 #define CONFIG_SYS_NS16550_REG_SIZE 1
273 #define CONFIG_SYS_NS16550_CLK 1843200
275 #define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_ISA_IO + CONFIG_SYS_NS87308_UART1_BASE)
276 #define CONFIG_SYS_NS16550_COM2 (CONFIG_SYS_ISA_IO + CONFIG_SYS_NS87308_UART2_BASE)
279 * Low Level Configuration Settings
280 * (address mappings, register initial values, etc.)
281 * You should know what you are doing if you make changes here.
284 #define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */
285 #define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER 1
287 #define CONFIG_SYS_ROMNAL 7 /*rom/flash next access time */
288 #define CONFIG_SYS_ROMFAL 11 /*rom/flash access time */
290 #define CONFIG_SYS_REFINT 430 /* no of clock cycles between CBR refresh cycles */
292 /* the following are for SDRAM only*/
293 #define CONFIG_SYS_BSTOPRE 121 /* Burst To Precharge, sets open page interval */
294 #define CONFIG_SYS_REFREC 8 /* Refresh to activate interval */
295 #define CONFIG_SYS_RDLAT 4 /* data latency from read command */
296 #define CONFIG_SYS_PRETOACT 3 /* Precharge to activate interval */
297 #define CONFIG_SYS_ACTTOPRE 5 /* Activate to Precharge interval */
298 #define CONFIG_SYS_ACTORW 3 /* Activate to R/W */
299 #define CONFIG_SYS_SDMODE_CAS_LAT 3 /* SDMODE CAS latency */
300 #define CONFIG_SYS_SDMODE_WRAP 0 /* SDMODE wrap type */
301 #define CONFIG_SYS_SDMODE_BURSTLEN 2 /* SDMODE Burst length 2=4, 3=8 */
303 #define CONFIG_SYS_REGISTERD_TYPE_BUFFER 1
305 /* memory bank settings*/
307 * only bits 20-29 are actually used from these vales to set the
308 * start/end address the upper two bits will be 0, and the lower 20
309 * bits will be set to 0x00000 for a start address, or 0xfffff for an
312 #define CONFIG_SYS_BANK0_START 0x00000000
313 #define CONFIG_SYS_BANK0_END (CONFIG_SYS_MAX_RAM_SIZE - 1)
314 #define CONFIG_SYS_BANK0_ENABLE 1
315 #define CONFIG_SYS_BANK1_START 0x3ff00000
316 #define CONFIG_SYS_BANK1_END 0x3fffffff
317 #define CONFIG_SYS_BANK1_ENABLE 0
318 #define CONFIG_SYS_BANK2_START 0x3ff00000
319 #define CONFIG_SYS_BANK2_END 0x3fffffff
320 #define CONFIG_SYS_BANK2_ENABLE 0
321 #define CONFIG_SYS_BANK3_START 0x3ff00000
322 #define CONFIG_SYS_BANK3_END 0x3fffffff
323 #define CONFIG_SYS_BANK3_ENABLE 0
324 #define CONFIG_SYS_BANK4_START 0x00000000
325 #define CONFIG_SYS_BANK4_END 0x00000000
326 #define CONFIG_SYS_BANK4_ENABLE 0
327 #define CONFIG_SYS_BANK5_START 0x00000000
328 #define CONFIG_SYS_BANK5_END 0x00000000
329 #define CONFIG_SYS_BANK5_ENABLE 0
330 #define CONFIG_SYS_BANK6_START 0x00000000
331 #define CONFIG_SYS_BANK6_END 0x00000000
332 #define CONFIG_SYS_BANK6_ENABLE 0
333 #define CONFIG_SYS_BANK7_START 0x00000000
334 #define CONFIG_SYS_BANK7_END 0x00000000
335 #define CONFIG_SYS_BANK7_ENABLE 0
337 * Memory bank enable bitmask, specifying which of the banks defined above
338 are actually present. MSB is for bank #7, LSB is for bank #0.
340 #define CONFIG_SYS_BANK_ENABLE 0x01
342 #define CONFIG_SYS_ODCR 0xff /* configures line driver impedances, */
343 /* see 8240 book for bit definitions */
344 #define CONFIG_SYS_PGMAX 0x32 /* how long the 8240 retains the */
345 /* currently accessed page in memory */
346 /* see 8240 book for details */
348 /* SDRAM 0 - 256MB */
349 #define CONFIG_SYS_IBAT0L (CONFIG_SYS_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
350 #define CONFIG_SYS_IBAT0U (CONFIG_SYS_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
352 /* stack in DCACHE @ 1GB (no backing mem) */
353 #if defined(USE_DINK32)
354 #define CONFIG_SYS_IBAT1L (0x40000000 | BATL_PP_00 )
355 #define CONFIG_SYS_IBAT1U (0x40000000 | BATU_BL_128K )
357 #define CONFIG_SYS_IBAT1L (CONFIG_SYS_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
358 #define CONFIG_SYS_IBAT1U (CONFIG_SYS_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
362 #define CONFIG_SYS_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
363 #define CONFIG_SYS_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
365 /* Flash, config addrs, etc */
366 #define CONFIG_SYS_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
367 #define CONFIG_SYS_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
369 #define CONFIG_SYS_DBAT0L CONFIG_SYS_IBAT0L
370 #define CONFIG_SYS_DBAT0U CONFIG_SYS_IBAT0U
371 #define CONFIG_SYS_DBAT1L CONFIG_SYS_IBAT1L
372 #define CONFIG_SYS_DBAT1U CONFIG_SYS_IBAT1U
373 #define CONFIG_SYS_DBAT2L CONFIG_SYS_IBAT2L
374 #define CONFIG_SYS_DBAT2U CONFIG_SYS_IBAT2U
375 #define CONFIG_SYS_DBAT3L CONFIG_SYS_IBAT3L
376 #define CONFIG_SYS_DBAT3U CONFIG_SYS_IBAT3U
379 * For booting Linux, the board info and command line data
380 * have to be in the first 8 MB of memory, since this is
381 * the maximum mapped by the Linux kernel during initialization.
383 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
384 /*-----------------------------------------------------------------------
387 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
388 #define CONFIG_SYS_MAX_FLASH_SECT 20 /* max number of sectors on one chip */
390 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
391 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
393 /*-----------------------------------------------------------------------
394 * Cache Configuration
396 #define CONFIG_SYS_CACHELINE_SIZE 32 /* For MPC8240 CPU */
397 #if defined(CONFIG_CMD_KGDB)
398 # define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value */
401 /* values according to the manual */
403 #define CONFIG_DRAM_50MHZ 1
404 #define CONFIG_SDRAM_50MHZ
407 #define NR_8259_INTS 1
410 #define CONFIG_DISK_SPINUP_TIME 1000000
413 #endif /* __CONFIG_H */