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,
26 * Configuration settings for the CU824 board.
30 /* ------------------------------------------------------------------------- */
33 * board/config.h - configuration options, board specific
40 * High Level Configuration Options
44 #define CONFIG_MPC824X 1
45 #define CONFIG_MPC8245 1
48 #define CONFIG_SYS_TEXT_BASE 0xFFF00000
50 #define CONFIG_MISC_INIT_F 1 /* Use misc_init_f() */
52 #define CONFIG_CONS_INDEX 1
53 #define CONFIG_BAUDRATE 9600
55 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
57 #define CONFIG_BOOTCOMMAND "bootm FF820000" /* autoboot command */
58 #define CONFIG_BOOTDELAY 5
60 #define CONFIG_SYS_MAX_DOC_DEVICE 1 /* Only use Onboard TSOP-16MB device */
61 #define DOC_PASSIVE_PROBE 1
62 #define CONFIG_SYS_DOC_SUPPORT_2000 1
63 #define CONFIG_SYS_DOC_SUPPORT_MILLENNIUM 1
64 #define CONFIG_SYS_DOC_SHORT_TIMEOUT 1
70 #define CONFIG_BOOTP_BOOTFILESIZE
71 #define CONFIG_BOOTP_BOOTPATH
72 #define CONFIG_BOOTP_GATEWAY
73 #define CONFIG_BOOTP_HOSTNAME
77 * Command line configuration.
79 #include <config_cmd_default.h>
81 #define CONFIG_CMD_DATE
82 #define CONFIG_CMD_ELF
89 #define CONFIG_PCI_PNP 1 /* PCI plug-and-play */
93 * Miscellaneous configurable options
95 #define CONFIG_SYS_LONGHELP /* undef to save memory */
96 #define CONFIG_SYS_PROMPT "=>" /* Monitor Command Prompt */
97 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
101 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
103 #define CONFIG_SYS_MAXARGS 8 /* Max number of command args */
104 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
105 #define CONFIG_SYS_LOAD_ADDR 0x00100000 /* Default load address */
107 /*-----------------------------------------------------------------------
108 * Start addresses for the final memory configuration
109 * (Set up by the startup code)
110 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
112 #define CONFIG_SYS_SDRAM_BASE 0x00000000
114 #define CONFIG_SYS_FLASH_BASE0_PRELIM 0xFFF00000 /* FLASH bank on RCS#0 */
115 #define CONFIG_SYS_FLASH_BASE1_PRELIM 0xFF800000 /* FLASH bank on RCS#1 */
116 #define CONFIG_SYS_FLASH_BASE CONFIG_SYS_MONITOR_BASE
117 #define CONFIG_SYS_FLASH_BANKS { CONFIG_SYS_FLASH_BASE0_PRELIM , CONFIG_SYS_FLASH_BASE1_PRELIM }
119 /* even though FLASHP_BASE is FF800000, with 4MB is RCS0, the
120 * reset vector is actually located at FFB00100, but the 8245
123 #define CONFIG_SYS_RESET_ADDRESS 0xFFF00100
125 #define CONFIG_SYS_EUMB_ADDR 0xFC000000
127 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
129 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
130 #define CONFIG_SYS_MALLOC_LEN (2048 << 10) /* Reserve 2MB for malloc() */
132 #define CONFIG_SYS_MEMTEST_START 0x00004000 /* memtest works on */
133 #define CONFIG_SYS_MEMTEST_END 0x04000000 /* 0 ... 32 MB in DRAM */
135 /* Maximum amount of RAM.
137 #define CONFIG_SYS_MAX_RAM_SIZE 0x04000000 /* 0 .. 64 MB of (S)DRAM */
140 #if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
141 #undef CONFIG_SYS_RAMBOOT
143 #define CONFIG_SYS_RAMBOOT
147 /*-----------------------------------------------------------------------
148 * Definitions for initial stack pointer and data area
150 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_MONITOR_LEN
151 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
152 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
153 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
156 * Low Level Configuration Settings
157 * (address mappings, register initial values, etc.)
158 * You should know what you are doing if you make changes here.
159 * For the detail description refer to the MPC8240 user's manual.
162 #define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */
163 #define CONFIG_SYS_HZ 1000
165 #define CONFIG_SYS_ETH_DEV_FN 0x7800
166 #define CONFIG_SYS_ETH_IOBASE 0x00104000
168 /* Bit-field values for MCCR1.
170 #define CONFIG_SYS_ROMNAL 0xf
171 #define CONFIG_SYS_ROMFAL 0x1f
172 #define CONFIG_SYS_DBUS_SIZE 0x3
174 /* Bit-field values for MCCR2.
176 #define CONFIG_SYS_TSWAIT 0x5 /* Transaction Start Wait States timer */
177 #define CONFIG_SYS_REFINT 0x400 /* Refresh interval FIXME: was 0t430 */
179 /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.
181 #define CONFIG_SYS_BSTOPRE 0 /* FIXME: was 192 */
183 /* Bit-field values for MCCR3.
185 #define CONFIG_SYS_REFREC 2 /* Refresh to activate interval */
187 /* Bit-field values for MCCR4.
189 #define CONFIG_SYS_PRETOACT 2 /* Precharge to activate interval FIXME: was 2 */
190 #define CONFIG_SYS_ACTTOPRE 5 /* Activate to Precharge interval FIXME: was 5 */
191 #define CONFIG_SYS_SDMODE_CAS_LAT 3 /* SDMODE CAS latancy */
192 #define CONFIG_SYS_SDMODE_WRAP 0 /* SDMODE wrap type */
193 #define CONFIG_SYS_SDMODE_BURSTLEN 3 /* SDMODE Burst length */
194 #define CONFIG_SYS_ACTORW 0xa /* FIXME was 2 */
195 #define CONFIG_SYS_REGISTERD_TYPE_BUFFER 1
197 #define CONFIG_SYS_PGMAX 0x0 /* how long the 8240 reatins the currently accessed page in memory FIXME: was 0x32*/
199 #define CONFIG_SYS_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay - note bottom 3 bits MUST be 0 */
201 /* Memory bank settings.
202 * Only bits 20-29 are actually used from these vales to set the
203 * start/end addresses. The upper two bits will always be 0, and the lower
204 * 20 bits will be 0x00000 for a start address, or 0xfffff for an end
205 * address. Refer to the MPC8240 book.
208 #define CONFIG_SYS_BANK0_START 0x00000000
209 #define CONFIG_SYS_BANK0_END (CONFIG_SYS_MAX_RAM_SIZE - 1)
210 #define CONFIG_SYS_BANK0_ENABLE 1
211 #define CONFIG_SYS_BANK1_START 0x3ff00000
212 #define CONFIG_SYS_BANK1_END 0x3fffffff
213 #define CONFIG_SYS_BANK1_ENABLE 0
214 #define CONFIG_SYS_BANK2_START 0x3ff00000
215 #define CONFIG_SYS_BANK2_END 0x3fffffff
216 #define CONFIG_SYS_BANK2_ENABLE 0
217 #define CONFIG_SYS_BANK3_START 0x3ff00000
218 #define CONFIG_SYS_BANK3_END 0x3fffffff
219 #define CONFIG_SYS_BANK3_ENABLE 0
220 #define CONFIG_SYS_BANK4_START 0x3ff00000
221 #define CONFIG_SYS_BANK4_END 0x3fffffff
222 #define CONFIG_SYS_BANK4_ENABLE 0
223 #define CONFIG_SYS_BANK5_START 0x3ff00000
224 #define CONFIG_SYS_BANK5_END 0x3fffffff
225 #define CONFIG_SYS_BANK5_ENABLE 0
226 #define CONFIG_SYS_BANK6_START 0x3ff00000
227 #define CONFIG_SYS_BANK6_END 0x3fffffff
228 #define CONFIG_SYS_BANK6_ENABLE 0
229 #define CONFIG_SYS_BANK7_START 0x3ff00000
230 #define CONFIG_SYS_BANK7_END 0x3fffffff
231 #define CONFIG_SYS_BANK7_ENABLE 0
233 #define CONFIG_SYS_ODCR 0xff
235 #define CONFIG_PCI 1 /* Include PCI support */
236 #undef CONFIG_PCI_PNP
238 /* PCI Memory space(s) */
239 #define PCI_MEM_SPACE1_START 0x80000000
240 #define PCI_MEM_SPACE2_START 0xfd000000
243 #include "../board/bmw/bmw.h"
245 /* BAT configuration */
246 #define CONFIG_SYS_IBAT0L (CONFIG_SYS_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
247 #define CONFIG_SYS_IBAT0U (CONFIG_SYS_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
249 #define CONFIG_SYS_IBAT1L (0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
250 #define CONFIG_SYS_IBAT1U (0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP)
252 #define CONFIG_SYS_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
253 #define CONFIG_SYS_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
255 #define CONFIG_SYS_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
256 #define CONFIG_SYS_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
258 #define CONFIG_SYS_DBAT0L CONFIG_SYS_IBAT0L
259 #define CONFIG_SYS_DBAT0U CONFIG_SYS_IBAT0U
260 #define CONFIG_SYS_DBAT1L CONFIG_SYS_IBAT1L
261 #define CONFIG_SYS_DBAT1U CONFIG_SYS_IBAT1U
262 #define CONFIG_SYS_DBAT2L CONFIG_SYS_IBAT2L
263 #define CONFIG_SYS_DBAT2U CONFIG_SYS_IBAT2U
264 #define CONFIG_SYS_DBAT3L CONFIG_SYS_IBAT3L
265 #define CONFIG_SYS_DBAT3U CONFIG_SYS_IBAT3U
268 * For booting Linux, the board info and command line data
269 * have to be in the first 8 MB of memory, since this is
270 * the maximum mapped by the Linux kernel during initialization.
272 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
277 #define CONFIG_SYS_MAX_FLASH_BANKS 0 /* Max number of flash banks */
278 #define CONFIG_SYS_MAX_FLASH_SECT 64 /* Max number of sectors per flash */
280 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
281 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
284 * Warining: environment is not EMBEDDED in the U-Boot code.
285 * It's stored in flash separately.
287 #define CONFIG_ENV_IS_IN_NVRAM 1
288 #define CONFIG_ENV_OVERWRITE 1
289 #define CONFIG_SYS_NVRAM_ACCESS_ROUTINE 1
290 #define CONFIG_ENV_ADDR 0x7c004000 /* right at the start of NVRAM */
291 #define CONFIG_ENV_SIZE 0x1ff0 /* Size of the Environment - 8K */
292 #define CONFIG_ENV_OFFSET 0 /* starting right at the beginning */
295 * Cache Configuration
297 #define CONFIG_SYS_CACHELINE_SIZE 32
298 #if defined(CONFIG_CMD_KGDB)
299 # define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value */
302 #endif /* __CONFIG_H */