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 MUSENKI 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
46 #define CONFIG_MUSENKI 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
59 #define CONFIG_BOOTP_BOOTFILESIZE
60 #define CONFIG_BOOTP_BOOTPATH
61 #define CONFIG_BOOTP_GATEWAY
62 #define CONFIG_BOOTP_HOSTNAME
66 * Command line configuration.
68 #include <config_cmd_default.h>
72 * Miscellaneous configurable options
74 #undef CFG_LONGHELP /* undef to save memory */
75 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
76 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
80 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
81 #define CFG_MAXARGS 8 /* Max number of command args */
82 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
83 #define CFG_LOAD_ADDR 0x00100000 /* Default load address */
85 /*-----------------------------------------------------------------------
87 *-----------------------------------------------------------------------
89 #define CONFIG_PCI /* include pci support */
92 #define CONFIG_NET_MULTI /* Multi ethernet cards support */
96 #define PCI_ENET0_IOADDR 0x80000000
97 #define PCI_ENET0_MEMADDR 0x80000000
98 #define PCI_ENET1_IOADDR 0x81000000
99 #define PCI_ENET1_MEMADDR 0x81000000
102 /*-----------------------------------------------------------------------
103 * Start addresses for the final memory configuration
104 * (Set up by the startup code)
105 * Please note that CFG_SDRAM_BASE _must_ start at 0
107 #define CFG_SDRAM_BASE 0x00000000
109 #define CFG_FLASH_BASE0_PRELIM 0xFF800000 /* FLASH bank on RCS#0 */
110 #define CFG_FLASH_BASE1_PRELIM 0xFF000000 /* FLASH bank on RCS#1 */
111 #define CFG_FLASH_BASE CFG_FLASH_BASE0_PRELIM
113 /* even though FLASHP_BASE is FF800000, with 4MB is RCS0, the
114 * reset vector is actually located at FFB00100, but the 8245
117 #define CFG_RESET_ADDRESS 0xFFF00100
119 #define CFG_EUMB_ADDR 0xFC000000
121 #define CFG_MONITOR_BASE TEXT_BASE
122 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
123 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
125 #define CFG_MEMTEST_START 0x00004000 /* memtest works on */
126 #define CFG_MEMTEST_END 0x02000000 /* 0 ... 32 MB in DRAM */
128 /* Maximum amount of RAM.
130 #define CFG_MAX_RAM_SIZE 0x08000000 /* 0 .. 128 MB of (S)DRAM */
133 #if CFG_MONITOR_BASE >= CFG_FLASH_BASE
140 * NS16550 Configuration
143 #define CFG_NS16550_SERIAL
145 #define CFG_NS16550_REG_SIZE 1
147 #define CFG_NS16550_CLK get_bus_freq(0)
149 #define CFG_NS16550_COM1 (CFG_EUMB_ADDR + 0x4500)
150 #define CFG_NS16550_COM2 (CFG_EUMB_ADDR + 0x4600)
152 /*-----------------------------------------------------------------------
153 * Definitions for initial stack pointer and data area
156 /* #define CFG_MONITOR_BASE TEXT_BASE */
157 /*#define CFG_GBL_DATA_SIZE 256*/
158 #define CFG_GBL_DATA_SIZE 128
159 #define CFG_INIT_RAM_ADDR 0x40000000
160 #define CFG_INIT_RAM_END 0x1000
161 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
165 * Low Level Configuration Settings
166 * (address mappings, register initial values, etc.)
167 * You should know what you are doing if you make changes here.
168 * For the detail description refer to the MPC8240 user's manual.
171 #define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
174 /* Bit-field values for MCCR1.
177 #define CFG_ROMFAL 11
178 #define CFG_DBUS_SIZE 0x3
180 /* Bit-field values for MCCR2.
182 #define CFG_TSWAIT 0x5 /* Transaction Start Wait States timer */
183 #define CFG_REFINT 0x400 /* Refresh interval FIXME: was 0t430 */
185 /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.
187 #define CFG_BSTOPRE 121
189 /* Bit-field values for MCCR3.
191 #define CFG_REFREC 8 /* Refresh to activate interval */
193 /* Bit-field values for MCCR4.
195 #define CFG_PRETOACT 3 /* Precharge to activate interval FIXME: was 2 */
196 #define CFG_ACTTOPRE 5 /* Activate to Precharge interval FIXME: was 5 */
197 #define CFG_ACTORW 3 /* FIXME was 2 */
198 #define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latancy */
199 #define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */
200 #define CFG_REGISTERD_TYPE_BUFFER 1
202 #define CFG_REGDIMM 0
204 #define CFG_PGMAX 0x32 /* how long the 8240 reatins the currently accessed page in memory FIXME: was 0x32*/
206 #define CFG_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay - note bottom 3 bits MUST be 0 */
208 /* Memory bank settings.
209 * Only bits 20-29 are actually used from these vales to set the
210 * start/end addresses. The upper two bits will always be 0, and the lower
211 * 20 bits will be 0x00000 for a start address, or 0xfffff for an end
212 * address. Refer to the MPC8240 book.
215 #define CFG_BANK0_START 0x00000000
216 #define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1)
217 #define CFG_BANK0_ENABLE 1
218 #define CFG_BANK1_START 0x3ff00000
219 #define CFG_BANK1_END 0x3fffffff
220 #define CFG_BANK1_ENABLE 0
221 #define CFG_BANK2_START 0x3ff00000
222 #define CFG_BANK2_END 0x3fffffff
223 #define CFG_BANK2_ENABLE 0
224 #define CFG_BANK3_START 0x3ff00000
225 #define CFG_BANK3_END 0x3fffffff
226 #define CFG_BANK3_ENABLE 0
227 #define CFG_BANK4_START 0x3ff00000
228 #define CFG_BANK4_END 0x3fffffff
229 #define CFG_BANK4_ENABLE 0
230 #define CFG_BANK5_START 0x3ff00000
231 #define CFG_BANK5_END 0x3fffffff
232 #define CFG_BANK5_ENABLE 0
233 #define CFG_BANK6_START 0x3ff00000
234 #define CFG_BANK6_END 0x3fffffff
235 #define CFG_BANK6_ENABLE 0
236 #define CFG_BANK7_START 0x3ff00000
237 #define CFG_BANK7_END 0x3fffffff
238 #define CFG_BANK7_ENABLE 0
240 #define CFG_ODCR 0xff
242 #define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
243 #define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
245 #define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
246 #define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
248 #define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
249 #define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
251 #define CFG_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
252 #define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
254 #define CFG_DBAT0L CFG_IBAT0L
255 #define CFG_DBAT0U CFG_IBAT0U
256 #define CFG_DBAT1L CFG_IBAT1L
257 #define CFG_DBAT1U CFG_IBAT1U
258 #define CFG_DBAT2L CFG_IBAT2L
259 #define CFG_DBAT2U CFG_IBAT2U
260 #define CFG_DBAT3L CFG_IBAT3L
261 #define CFG_DBAT3U CFG_IBAT3U
264 * For booting Linux, the board info and command line data
265 * have to be in the first 8 MB of memory, since this is
266 * the maximum mapped by the Linux kernel during initialization.
268 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
270 /*-----------------------------------------------------------------------
273 #define CFG_MAX_FLASH_BANKS 2 /* Max number of flash banks */
274 #define CFG_MAX_FLASH_SECT 64 /* Max number of sectors per flash */
276 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
277 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
280 /* Warining: environment is not EMBEDDED in the U-Boot code.
281 * It's stored in flash separately.
283 #define CFG_ENV_IS_IN_FLASH 1
284 #define CFG_ENV_ADDR 0xFFFF0000
285 #define CFG_ENV_SIZE 0x00010000 /* Size of the Environment */
286 #define CFG_ENV_SECT_SIZE 0x20000 /* Size of the Environment Sector */
288 /*-----------------------------------------------------------------------
289 * Cache Configuration
291 #define CFG_CACHELINE_SIZE 32
292 #if defined(CONFIG_CMD_KGDB)
293 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
297 * Internal Definitions
301 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
302 #define BOOTFLAG_WARM 0x02 /* Software reboot */
304 #endif /* __CONFIG_H */