2 * (C) Copyright 2001, 2002, 2003
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 /* ------------------------------------------------------------------------- */
26 * Configuration settings for the A-3000 board (Artis Microsystems Inc.).
27 * http://artismicro.com
30 /* ------------------------------------------------------------------------- */
33 * board/config.h - configuration options, board specific
40 * High Level Configuration Options
44 #define CONFIG_MPC824X 1
45 #define CONFIG_MPC8245 1
46 #define CONFIG_A3000 1
49 #define CONFIG_CONS_INDEX 1
50 #define CONFIG_BAUDRATE 9600
51 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
53 #define CONFIG_BOOTDELAY 5
56 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
67 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL )
69 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
71 #include <cmd_confdefs.h>
75 * Miscellaneous configurable options
77 #undef CFG_LONGHELP /* undef to save memory */
78 #define CFG_PROMPT "A3000> " /* Monitor Command Prompt */
79 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
83 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
84 #define CFG_MAXARGS 8 /* Max number of command args */
85 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
86 #define CFG_LOAD_ADDR 0x00400000 /* Default load address */
88 /*-----------------------------------------------------------------------
90 *-----------------------------------------------------------------------
92 #define CONFIG_HARD_I2C 1 /* To enable I2C support */
93 #undef CONFIG_SOFT_I2C /* I2C bit-banged */
94 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
95 #define CFG_I2C_SLAVE 0x7F
97 /*-----------------------------------------------------------------------
99 *-----------------------------------------------------------------------
101 #define CONFIG_PCI /* include pci support */
102 #undef CONFIG_PCI_PNP
103 #define CONFIG_PCI_SCAN_SHOW /* print pci devices @ startup */
105 #define CONFIG_NET_MULTI /* Multi ethernet cards support */
107 /* #define CONFIG_TULIP */
108 /* #define CONFIG_EEPRO100 */
109 #define CONFIG_NATSEMI
111 #define PCI_ENET0_IOADDR 0x80000000
112 #define PCI_ENET0_MEMADDR 0x80000000
113 #define PCI_ENET1_IOADDR 0x81000000
114 #define PCI_ENET1_MEMADDR 0x81000000
115 #define PCI_ENET2_IOADDR 0x82000000
116 #define PCI_ENET2_MEMADDR 0x82000000
117 #define PCI_ENET3_IOADDR 0x83000000
118 #define PCI_ENET3_MEMADDR 0x83000000
121 /*-----------------------------------------------------------------------
122 * Start addresses for the final memory configuration
123 * (Set up by the startup code)
124 * Please note that CFG_SDRAM_BASE _must_ start at 0
126 #define CFG_SDRAM_BASE 0x00000000
128 #define CFG_FLASH_BASE0_PRELIM 0xFF000000 /* FLASH bank on RCS#0 */
129 #define CFG_FLASH_BASE1_PRELIM 0xFF000000 /* FLASH bank on RCS#1 */
130 #define CFG_FLASH_BASE CFG_FLASH_BASE0_PRELIM
131 #define CFG_FLASH_BANKS { CFG_FLASH_BASE0_PRELIM }
133 /* even though FLASHP_BASE is FF800000, with 4MB is RCS0, the
134 * reset vector is actually located at FFB00100, but the 8245
137 #define CFG_RESET_ADDRESS 0xFFF00100
139 #define CFG_EUMB_ADDR 0xFC000000
141 #define CFG_MONITOR_BASE TEXT_BASE
142 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
143 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
145 #define CFG_MEMTEST_START 0x00004000 /* memtest works on */
146 #define CFG_MEMTEST_END 0x02000000 /* 0 ... 32 MB in DRAM */
148 /* Maximum amount of RAM.
150 #define CFG_MAX_RAM_SIZE 0x04000000 /* 0 .. 128 MB of (S)DRAM */
153 #if CFG_MONITOR_BASE >= CFG_FLASH_BASE
160 * NS16550 Configuration
163 #define CFG_NS16550_SERIAL
165 #define CFG_NS16550_REG_SIZE 1
167 #define CFG_NS16550_CLK get_bus_freq(0)
169 #define CFG_NS16550_COM1 (CFG_EUMB_ADDR + 0x4500)
170 #define CFG_NS16550_COM2 (CFG_EUMB_ADDR + 0x4600)
172 /*-----------------------------------------------------------------------
173 * Definitions for initial stack pointer and data area
176 /* #define CFG_MONITOR_BASE TEXT_BASE */
177 /*#define CFG_GBL_DATA_SIZE 256*/
178 #define CFG_GBL_DATA_SIZE 128
179 #define CFG_INIT_RAM_ADDR 0x40000000
180 #define CFG_INIT_RAM_END 0x1000
181 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
185 * Low Level Configuration Settings
186 * (address mappings, register initial values, etc.)
187 * You should know what you are doing if you make changes here.
188 * For the detail description refer to the MPC8240 user's manual.
191 #define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
194 /* Bit-field values for MCCR1.
197 #define CFG_ROMFAL 11
198 #define CFG_DBUS_SIZE 0x3
200 /* Bit-field values for MCCR2.
202 #define CFG_TSWAIT 0x5 /* Transaction Start Wait States timer */
203 #define CFG_REFINT 0x400 /* Refresh interval FIXME: was 0t430 */
205 /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.
207 #define CFG_BSTOPRE 121
209 /* Bit-field values for MCCR3.
211 #define CFG_REFREC 8 /* Refresh to activate interval */
213 /* Bit-field values for MCCR4.
215 #define CFG_PRETOACT 3 /* Precharge to activate interval FIXME: was 2 */
216 #define CFG_ACTTOPRE 5 /* Activate to Precharge interval FIXME: was 5 */
217 #define CFG_ACTORW 3 /* FIXME was 2 */
218 #define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latancy */
219 #define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */
220 #define CFG_REGISTERD_TYPE_BUFFER 1
222 #define CFG_REGDIMM 0
224 #define CFG_PGMAX 0x32 /* how long the 8240 reatins the currently accessed page in memory FIXME: was 0x32*/
226 #define CFG_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay - note bottom 3 bits MUST be 0 */
228 /* Memory bank settings.
229 * Only bits 20-29 are actually used from these vales to set the
230 * start/end addresses. The upper two bits will always be 0, and the lower
231 * 20 bits will be 0x00000 for a start address, or 0xfffff for an end
232 * address. Refer to the MPC8240 book.
235 #define CFG_BANK0_START 0x00000000
236 #define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1)
237 #define CFG_BANK0_ENABLE 1
238 #define CFG_BANK1_START 0x3ff00000
239 #define CFG_BANK1_END 0x3fffffff
240 #define CFG_BANK1_ENABLE 0
241 #define CFG_BANK2_START 0x3ff00000
242 #define CFG_BANK2_END 0x3fffffff
243 #define CFG_BANK2_ENABLE 0
244 #define CFG_BANK3_START 0x3ff00000
245 #define CFG_BANK3_END 0x3fffffff
246 #define CFG_BANK3_ENABLE 0
247 #define CFG_BANK4_START 0x3ff00000
248 #define CFG_BANK4_END 0x3fffffff
249 #define CFG_BANK4_ENABLE 0
250 #define CFG_BANK5_START 0x3ff00000
251 #define CFG_BANK5_END 0x3fffffff
252 #define CFG_BANK5_ENABLE 0
253 #define CFG_BANK6_START 0x3ff00000
254 #define CFG_BANK6_END 0x3fffffff
255 #define CFG_BANK6_ENABLE 0
256 #define CFG_BANK7_START 0x3ff00000
257 #define CFG_BANK7_END 0x3fffffff
258 #define CFG_BANK7_ENABLE 0
260 #define CFG_ODCR 0xff
262 #define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
263 #define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
265 #define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
266 #define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
268 #define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
269 #define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
271 #define CFG_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
272 #define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
274 #define CFG_DBAT0L CFG_IBAT0L
275 #define CFG_DBAT0U CFG_IBAT0U
276 #define CFG_DBAT1L CFG_IBAT1L
277 #define CFG_DBAT1U CFG_IBAT1U
278 #define CFG_DBAT2L CFG_IBAT2L
279 #define CFG_DBAT2U CFG_IBAT2U
280 #define CFG_DBAT3L CFG_IBAT3L
281 #define CFG_DBAT3U CFG_IBAT3U
284 * For booting Linux, the board info and command line data
285 * have to be in the first 8 MB of memory, since this is
286 * the maximum mapped by the Linux kernel during initialization.
288 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
290 /*-----------------------------------------------------------------------
293 #define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */
294 #define CFG_MAX_FLASH_SECT 128 /* Max number of sectors per flash */
296 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
297 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
300 /* Warining: environment is not EMBEDDED in the U-Boot code.
301 * It's stored in flash separately.
303 #define CFG_ENV_IS_IN_FLASH 1
304 #define CFG_ENV_ADDR 0xFFFE0000
305 #define CFG_ENV_SIZE 0x00020000 /* Size of the Environment */
306 #define CFG_ENV_SECT_SIZE 0x00020000 /* Size of the Environment Sector */
308 /*-----------------------------------------------------------------------
309 * Cache Configuration
311 #define CFG_CACHELINE_SIZE 32
312 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
313 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
317 * Internal Definitions
321 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
322 #define BOOTFLAG_WARM 0x02 /* Software reboot */
324 #endif /* __CONFIG_H */