8 * Applied Research Laboratories, The University of Texas at Austin
10 * See file CREDITS for list of people who contributed to this
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License as
15 * published by the Free Software Foundation; either version 2 of
16 * the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
31 * Configuration settings for the utx8245 board.
35 /* ------------------------------------------------------------------------- */
38 * board/config.h - configuration options, board specific
45 * High Level Configuration Options
49 #define CONFIG_MPC824X 1
50 #define CONFIG_MPC8245 1
51 #define CONFIG_UTX8245 1
54 #define CONFIG_CONS_INDEX 1
55 #define CONFIG_BAUDRATE 57600
56 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
58 #define CONFIG_BOOTDELAY 5
59 #define CONFIG_AUTOBOOT_PROMPT "autoboot in %d seconds\n"
60 #define CONFIG_BOOTCOMMAND "bootm FF920000 FF800000" /* autoboot command */
61 #define CONFIG_BOOTARGS "root=/dev/ram console=ttyS0,57600" /* RAMdisk */
62 #define CONFIG_ETHADDR 41:52:4c:61:00:01 /* MAC address */
63 #define CONFIG_SERVERIP 10.8.17.105
64 #define CONFIG_ENV_OVERWRITE
66 #define CONFIG_COMMANDS (CFG_CMD_DFL | CFG_CMD_BDI | CFG_CMD_PCI \
67 | CFG_CMD_FLASH | CFG_CMD_MEMORY \
68 | CFG_CMD_ENV | CFG_CMD_CONSOLE \
69 | CFG_CMD_LOADS | CFG_CMD_LOADB \
70 | CFG_CMD_IMI | CFG_CMD_CACHE \
71 | CFG_CMD_RUN | CFG_CMD_ECHO \
72 | CFG_CMD_REGINFO | CFG_CMD_NET\
75 /* This must be included AFTER the definition of CONFIG_COMMANDS (if any)
77 #include <cmd_confdefs.h>
81 * Miscellaneous configurable options
83 #define CFG_LONGHELP /* undef to save memory */
84 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
85 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
87 /* Print Buffer Size */
88 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
90 #define CFG_MAXARGS 16 /* max number of command args */
91 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
92 #define CFG_LOAD_ADDR 0x00100000 /* Default load address */
95 /*-----------------------------------------------------------------------
97 *-----------------------------------------------------------------------
99 #define CONFIG_PCI /* include pci support */
100 #undef CONFIG_PCI_PNP
101 #define CONFIG_PCI_SCAN_SHOW
102 #define CONFIG_NET_MULTI
103 #define CONFIG_EEPRO100
105 #define PCI_ENET0_IOADDR 0x80000000
106 #define PCI_ENET0_MEMADDR 0x80000000
107 #define PCI_FIREWIRE_IOADDR 0x81000000
108 #define PCI_FIREWIRE_MEMADDR 0x81000000
111 /*-----------------------------------------------------------------------
112 * Start addresses for the final memory configuration
113 * (Set up by the startup code)
114 * Please note that CFG_SDRAM_BASE _must_ start at 0
116 #define CFG_SDRAM_BASE 0x00000000
117 #define CFG_MAX_RAM_SIZE 0x10000000 /* amount of SDRAM */
120 /* even though FLASHP_BASE is FF800000, with 2MB on RCS0, the
121 * reset vector is actually located at FF800100, but the 8245
124 #define CFG_RESET_ADDRESS 0xFFF00100
126 #define CFG_EUMB_ADDR 0xFC000000
128 #define CFG_MONITOR_BASE TEXT_BASE
130 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
131 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
133 /*#define CFG_DRAM_TEST 1 */
134 #define CFG_MEMTEST_START 0x00003000 /* memtest works on 0...256 MB */
135 #define CFG_MEMTEST_END 0x0ff8ffa8 /* in SDRAM, skips exception */
136 /* vectors and U-Boot */
139 /*--------------------------------------------------------------------
140 * Definitions for initial stack pointer and data area
141 *------------------------------------------------------------------*/
142 #define CFG_GBL_DATA_SIZE 128 /* Size in bytes reserved for */
144 #define CFG_INIT_RAM_ADDR 0x40000000
145 #define CFG_INIT_RAM_END 0x1000
146 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
148 /*--------------------------------------------------------------------
149 * NS16550 Configuration
150 *------------------------------------------------------------------*/
152 #define CFG_NS16550_SERIAL
154 #define CFG_NS16550_REG_SIZE 1
156 #define CFG_NS16550_CLK get_bus_freq(0)
158 #define CFG_NS16550_COM1 (CFG_EUMB_ADDR + 0x4500)
159 #define CFG_NS16550_COM2 (CFG_EUMB_ADDR + 0x4600)
161 /*--------------------------------------------------------------------
162 * Low Level Configuration Settings
163 * (address mappings, register initial values, etc.)
164 * You should know what you are doing if you make changes here.
165 * For the detail description refer to the MPC8240 user's manual.
166 *------------------------------------------------------------------*/
168 #define CONFIG_SYS_CLK_FREQ 33000000
171 #define CFG_ETH_DEV_FN 0x7800
172 #define CFG_ETH_IOBASE 0x00104000
175 /*--------------------------------------------------------------------
176 * Memory Control Configuration Register values
177 * - see sec. 4.12 of MPC8245 UM
178 *------------------------------------------------------------------*/
182 #define CFG_ROMFAL 2 /* (tacc=70ns)*mem_freq - 2 */
183 #define CFG_BANK0_ROW 2 /* SDRAM bank 7-0 row address */
184 #define CFG_BANK1_ROW 2 /* bit count */
185 #define CFG_BANK2_ROW 0
186 #define CFG_BANK3_ROW 0
187 #define CFG_BANK4_ROW 0
188 #define CFG_BANK5_ROW 0
189 #define CFG_BANK6_ROW 0
190 #define CFG_BANK7_ROW 0
192 /* MCCR2, refresh interval clock cycles */
193 #define CFG_REFINT 480 /* 33 MHz SDRAM clock was 480 */
195 /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4 */
196 #define CFG_BSTOPRE 1023 /* burst to precharge[0..9], */
197 /* sets open page interval */
200 #define CFG_REFREC 5 /* Refresh to activate interval, trc */
203 #define CFG_PRETOACT 2 /* trp */
204 #define CFG_ACTTOPRE 7 /* trcd + (burst length - 1) + tdrl */
205 #define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latancy */
206 #define CFG_SDMODE_WRAP 0 /* SDMODE wrap type, sequential */
207 #define CFG_ACTORW 2 /* trcd min */
208 #define CFG_DBUS_SIZE2 1 /* set for 8-bit RCS1, clear for 32,64 */
209 #define CFG_REGISTERD_TYPE_BUFFER 1
211 #define CFG_REGDIMM 0
213 /* calculate according to formula in sec. 6-22 of 8245 UM */
214 #define CFG_PGMAX 50 /* how long the 8245 retains the */
215 /* currently accessed page in memory */
218 #define CFG_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay - note */
219 /* bottom 3 bits MUST be 0 */
221 #define CFG_DLL_MAX_DELAY 0x04
222 #define CFG_DLL_EXTEND 0x80
223 #define CFG_PCI_HOLD_DEL 0x20
226 /* Memory bank settings.
227 * Only bits 20-29 are actually used from these values to set the
228 * start/end addresses. The upper two bits will always be 0, and the lower
229 * 20 bits will be 0x00000 for a start address, or 0xfffff for an end
230 * address. Refer to the MPC8245 user manual.
233 #define CFG_BANK0_START 0x00000000
234 #define CFG_BANK0_END (CFG_MAX_RAM_SIZE/2 - 1)
235 #define CFG_BANK0_ENABLE 1
236 #define CFG_BANK1_START CFG_MAX_RAM_SIZE/2
237 #define CFG_BANK1_END (CFG_MAX_RAM_SIZE - 1)
238 #define CFG_BANK1_ENABLE 1
239 #define CFG_BANK2_START 0x3ff00000 /* not available in this design */
240 #define CFG_BANK2_END 0x3fffffff
241 #define CFG_BANK2_ENABLE 0
242 #define CFG_BANK3_START 0x3ff00000
243 #define CFG_BANK3_END 0x3fffffff
244 #define CFG_BANK3_ENABLE 0
245 #define CFG_BANK4_START 0x3ff00000
246 #define CFG_BANK4_END 0x3fffffff
247 #define CFG_BANK4_ENABLE 0
248 #define CFG_BANK5_START 0x3ff00000
249 #define CFG_BANK5_END 0x3fffffff
250 #define CFG_BANK5_ENABLE 0
251 #define CFG_BANK6_START 0x3ff00000
252 #define CFG_BANK6_END 0x3fffffff
253 #define CFG_BANK6_ENABLE 0
254 #define CFG_BANK7_START 0x3ff00000
255 #define CFG_BANK7_END 0x3fffffff
256 #define CFG_BANK7_ENABLE 0
258 /*--------------------------------------------------------------------
259 * 4.4 - Output Driver Control Register
260 *------------------------------------------------------------------*/
261 #define CFG_ODCR 0xe5
263 /*--------------------------------------------------------------------
264 * 4.8 - Error Handling Registers
265 *------------------------------------------------------------------*/
266 #define CFG_ERRENR1 0x11 /* enable SDRAM refresh overflow error */
269 #define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
270 #define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
272 /* stack in dcache */
273 #define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
274 #define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
277 #define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
278 #define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
280 /* Flash, config addrs, etc. */
281 #define CFG_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
282 #define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
284 #define CFG_DBAT0L CFG_IBAT0L
285 #define CFG_DBAT0U CFG_IBAT0U
286 #define CFG_DBAT1L CFG_IBAT1L
287 #define CFG_DBAT1U CFG_IBAT1U
288 #define CFG_DBAT2L CFG_IBAT2L
289 #define CFG_DBAT2U CFG_IBAT2U
290 #define CFG_DBAT3L CFG_IBAT3L
291 #define CFG_DBAT3U CFG_IBAT3U
294 * For booting Linux, the board info and command line data
295 * have to be in the first 8 MB of memory, since this is
296 * the maximum mapped by the Linux kernel during initialization.
298 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
300 /*-----------------------------------------------------------------------
301 * FLASH organization (AMD AM29LV116D)
303 #define CFG_FLASH_BASE 0xFF800000
305 #define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */
306 #define CFG_MAX_FLASH_SECT 35 /* Max number of sectors in one bank */
308 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
309 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
311 /* Warning: environment is not EMBEDDED in the U-Boot code.
312 * It's stored in flash separately.
314 #define CFG_ENV_IS_IN_FLASH 1
316 #define CFG_ENV_ADDR 0xFF9FA000 /* flash sector SA33 */
317 #define CFG_ENV_SIZE 0x2000 /* Size of the Environment */
318 #define CFG_ENV_OFFSET 0 /* starting right at the beginning */
319 #define CFG_ENV_SECT_SIZE 0x2000 /* Size of the Environment Sector */
322 #if CFG_MONITOR_BASE >= CFG_FLASH_BASE
329 /*-----------------------------------------------------------------------
330 * Cache Configuration
332 #define CFG_CACHELINE_SIZE 32
333 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
334 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
338 * Internal Definitions
342 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
343 #define BOOTFLAG_WARM 0x02 /* Software reboot */
346 #endif /* __CONFIG_H */