2 * (C) Copyright 2001, 2002, 2003
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
8 /* ------------------------------------------------------------------------- */
10 * Configuration settings for the A-3000 board (Artis Microsystems Inc.).
11 * http://artismicro.com
14 /* ------------------------------------------------------------------------- */
17 * board/config.h - configuration options, board specific
24 * High Level Configuration Options
28 #define CONFIG_MPC8245 1
29 #define CONFIG_A3000 1
31 #define CONFIG_SYS_TEXT_BASE 0xFFF00000
33 #define CONFIG_CONS_INDEX 1
34 #define CONFIG_BAUDRATE 9600
36 #define CONFIG_BOOTDELAY 5
42 #define CONFIG_BOOTP_BOOTFILESIZE
43 #define CONFIG_BOOTP_BOOTPATH
44 #define CONFIG_BOOTP_GATEWAY
45 #define CONFIG_BOOTP_HOSTNAME
49 * Command line configuration.
51 #include <config_cmd_default.h>
55 * Miscellaneous configurable options
57 #undef CONFIG_SYS_LONGHELP /* undef to save memory */
58 #define CONFIG_SYS_PROMPT "A3000> " /* Monitor Command Prompt */
59 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
63 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
64 #define CONFIG_SYS_MAXARGS 8 /* Max number of command args */
65 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
66 #define CONFIG_SYS_LOAD_ADDR 0x00400000 /* Default load address */
68 /*-----------------------------------------------------------------------
70 *-----------------------------------------------------------------------
72 #define CONFIG_HARD_I2C 1 /* To enable I2C support */
73 #undef CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
74 #define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed and slave address */
75 #define CONFIG_SYS_I2C_SLAVE 0x7F
77 /*-----------------------------------------------------------------------
79 *-----------------------------------------------------------------------
81 #define CONFIG_PCI /* include pci support */
82 #define CONFIG_PCI_INDIRECT_BRIDGE /* indirect PCI bridge support */
84 #define CONFIG_PCI_SCAN_SHOW /* print pci devices @ startup */
87 /* #define CONFIG_TULIP */
88 /* #define CONFIG_EEPRO100 */
89 #define CONFIG_NATSEMI
91 #define PCI_ENET0_IOADDR 0x80000000
92 #define PCI_ENET0_MEMADDR 0x80000000
93 #define PCI_ENET1_IOADDR 0x81000000
94 #define PCI_ENET1_MEMADDR 0x81000000
95 #define PCI_ENET2_IOADDR 0x82000000
96 #define PCI_ENET2_MEMADDR 0x82000000
97 #define PCI_ENET3_IOADDR 0x83000000
98 #define PCI_ENET3_MEMADDR 0x83000000
101 /*-----------------------------------------------------------------------
102 * Start addresses for the final memory configuration
103 * (Set up by the startup code)
104 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
106 #define CONFIG_SYS_SDRAM_BASE 0x00000000
108 #define CONFIG_SYS_FLASH_BASE0_PRELIM 0xFF000000 /* FLASH bank on RCS#0 */
109 #define CONFIG_SYS_FLASH_BASE1_PRELIM 0xFF000000 /* FLASH bank on RCS#1 */
110 #define CONFIG_SYS_FLASH_BASE CONFIG_SYS_FLASH_BASE0_PRELIM
111 #define CONFIG_SYS_FLASH_BANKS { CONFIG_SYS_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 CONFIG_SYS_RESET_ADDRESS 0xFFF00100
119 #define CONFIG_SYS_EUMB_ADDR 0xFC000000
121 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
122 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
123 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
125 #define CONFIG_SYS_MEMTEST_START 0x00004000 /* memtest works on */
126 #define CONFIG_SYS_MEMTEST_END 0x02000000 /* 0 ... 32 MB in DRAM */
128 /* Maximum amount of RAM.
130 #define CONFIG_SYS_MAX_RAM_SIZE 0x04000000 /* 0 .. 128 MB of (S)DRAM */
133 #if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
134 #undef CONFIG_SYS_RAMBOOT
136 #define CONFIG_SYS_RAMBOOT
140 * NS16550 Configuration
142 #define CONFIG_SYS_NS16550
143 #define CONFIG_SYS_NS16550_SERIAL
145 #define CONFIG_SYS_NS16550_REG_SIZE 1
147 #define CONFIG_SYS_NS16550_CLK get_bus_freq(0)
149 #define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_EUMB_ADDR + 0x4500)
150 #define CONFIG_SYS_NS16550_COM2 (CONFIG_SYS_EUMB_ADDR + 0x4600)
152 /*-----------------------------------------------------------------------
153 * Definitions for initial stack pointer and data area
156 /* #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE */
157 #define CONFIG_SYS_INIT_RAM_ADDR 0x40000000
158 #define CONFIG_SYS_INIT_RAM_SIZE 0x1000
159 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
163 * Low Level Configuration Settings
164 * (address mappings, register initial values, etc.)
165 * You should know what you are doing if you make changes here.
166 * For the detail description refer to the MPC8240 user's manual.
169 #define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
171 /* Bit-field values for MCCR1.
173 #define CONFIG_SYS_ROMNAL 7
174 #define CONFIG_SYS_ROMFAL 11
175 #define CONFIG_SYS_DBUS_SIZE 0x3
177 /* Bit-field values for MCCR2.
179 #define CONFIG_SYS_TSWAIT 0x5 /* Transaction Start Wait States timer */
180 #define CONFIG_SYS_REFINT 0x400 /* Refresh interval FIXME: was 0t430 */
182 /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.
184 #define CONFIG_SYS_BSTOPRE 121
186 /* Bit-field values for MCCR3.
188 #define CONFIG_SYS_REFREC 8 /* Refresh to activate interval */
190 /* Bit-field values for MCCR4.
192 #define CONFIG_SYS_PRETOACT 3 /* Precharge to activate interval FIXME: was 2 */
193 #define CONFIG_SYS_ACTTOPRE 5 /* Activate to Precharge interval FIXME: was 5 */
194 #define CONFIG_SYS_ACTORW 3 /* FIXME was 2 */
195 #define CONFIG_SYS_SDMODE_CAS_LAT 3 /* SDMODE CAS latancy */
196 #define CONFIG_SYS_SDMODE_WRAP 0 /* SDMODE wrap type */
197 #define CONFIG_SYS_REGISTERD_TYPE_BUFFER 1
198 #define CONFIG_SYS_EXTROM 1
199 #define CONFIG_SYS_REGDIMM 0
201 #define CONFIG_SYS_PGMAX 0x32 /* how long the 8240 reatins the currently accessed page in memory FIXME: was 0x32*/
203 #define CONFIG_SYS_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay - note bottom 3 bits MUST be 0 */
205 /* Memory bank settings.
206 * Only bits 20-29 are actually used from these vales to set the
207 * start/end addresses. The upper two bits will always be 0, and the lower
208 * 20 bits will be 0x00000 for a start address, or 0xfffff for an end
209 * address. Refer to the MPC8240 book.
212 #define CONFIG_SYS_BANK0_START 0x00000000
213 #define CONFIG_SYS_BANK0_END (CONFIG_SYS_MAX_RAM_SIZE - 1)
214 #define CONFIG_SYS_BANK0_ENABLE 1
215 #define CONFIG_SYS_BANK1_START 0x3ff00000
216 #define CONFIG_SYS_BANK1_END 0x3fffffff
217 #define CONFIG_SYS_BANK1_ENABLE 0
218 #define CONFIG_SYS_BANK2_START 0x3ff00000
219 #define CONFIG_SYS_BANK2_END 0x3fffffff
220 #define CONFIG_SYS_BANK2_ENABLE 0
221 #define CONFIG_SYS_BANK3_START 0x3ff00000
222 #define CONFIG_SYS_BANK3_END 0x3fffffff
223 #define CONFIG_SYS_BANK3_ENABLE 0
224 #define CONFIG_SYS_BANK4_START 0x3ff00000
225 #define CONFIG_SYS_BANK4_END 0x3fffffff
226 #define CONFIG_SYS_BANK4_ENABLE 0
227 #define CONFIG_SYS_BANK5_START 0x3ff00000
228 #define CONFIG_SYS_BANK5_END 0x3fffffff
229 #define CONFIG_SYS_BANK5_ENABLE 0
230 #define CONFIG_SYS_BANK6_START 0x3ff00000
231 #define CONFIG_SYS_BANK6_END 0x3fffffff
232 #define CONFIG_SYS_BANK6_ENABLE 0
233 #define CONFIG_SYS_BANK7_START 0x3ff00000
234 #define CONFIG_SYS_BANK7_END 0x3fffffff
235 #define CONFIG_SYS_BANK7_ENABLE 0
237 #define CONFIG_SYS_ODCR 0xff
239 #define CONFIG_SYS_IBAT0L (CONFIG_SYS_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
240 #define CONFIG_SYS_IBAT0U (CONFIG_SYS_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
242 #define CONFIG_SYS_IBAT1L (CONFIG_SYS_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
243 #define CONFIG_SYS_IBAT1U (CONFIG_SYS_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
245 #define CONFIG_SYS_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
246 #define CONFIG_SYS_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
248 #define CONFIG_SYS_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
249 #define CONFIG_SYS_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
251 #define CONFIG_SYS_DBAT0L CONFIG_SYS_IBAT0L
252 #define CONFIG_SYS_DBAT0U CONFIG_SYS_IBAT0U
253 #define CONFIG_SYS_DBAT1L CONFIG_SYS_IBAT1L
254 #define CONFIG_SYS_DBAT1U CONFIG_SYS_IBAT1U
255 #define CONFIG_SYS_DBAT2L CONFIG_SYS_IBAT2L
256 #define CONFIG_SYS_DBAT2U CONFIG_SYS_IBAT2U
257 #define CONFIG_SYS_DBAT3L CONFIG_SYS_IBAT3L
258 #define CONFIG_SYS_DBAT3U CONFIG_SYS_IBAT3U
261 * For booting Linux, the board info and command line data
262 * have to be in the first 8 MB of memory, since this is
263 * the maximum mapped by the Linux kernel during initialization.
265 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
267 /*-----------------------------------------------------------------------
270 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* Max number of flash banks */
271 #define CONFIG_SYS_MAX_FLASH_SECT 128 /* Max number of sectors per flash */
273 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
274 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
277 /* Warining: environment is not EMBEDDED in the U-Boot code.
278 * It's stored in flash separately.
280 #define CONFIG_ENV_IS_IN_FLASH 1
281 #define CONFIG_ENV_ADDR 0xFFFE0000
282 #define CONFIG_ENV_SIZE 0x00020000 /* Size of the Environment */
283 #define CONFIG_ENV_SECT_SIZE 0x00020000 /* Size of the Environment Sector */
285 /*-----------------------------------------------------------------------
286 * Cache Configuration
288 #define CONFIG_SYS_CACHELINE_SIZE 32
289 #if defined(CONFIG_CMD_KGDB)
290 # define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value */
293 #endif /* __CONFIG_H */