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acea76a2 WD |
1 | /* |
2 | * (C) Copyright 2002 Scott McNutt <[email protected]> | |
3 | * | |
4 | * See file CREDITS for list of people who contributed to this | |
5 | * project. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License as | |
9 | * published by the Free Software Foundation; either version 2 of | |
10 | * the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
20 | * MA 02111-1307 USA | |
21 | */ | |
22 | ||
23 | /************************************************************************ | |
24 | * board/config_EBONY.h - configuration for IBM 440GP Ref (Ebony) | |
25 | ***********************************************************************/ | |
26 | ||
27 | #ifndef __CONFIG_H | |
28 | #define __CONFIG_H | |
29 | ||
30 | /*----------------------------------------------------------------------- | |
31 | * High Level Configuration Options | |
32 | *----------------------------------------------------------------------*/ | |
33 | #define CONFIG_EBONY 1 /* Board is ebony */ | |
34 | #define CONFIG_4xx 1 /* ... PPC4xx family */ | |
c837dcb1 | 35 | #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */ |
acea76a2 WD |
36 | #undef CFG_DRAM_TEST /* Disable-takes long time! */ |
37 | #define CONFIG_SYS_CLK_FREQ 33333333 /* external freq to pll */ | |
38 | ||
8a316c9b SR |
39 | /* |
40 | * Define here the location of the environment variables (FLASH or NVRAM). | |
41 | * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only | |
42 | * supported for backward compatibility. | |
43 | */ | |
44 | #if 1 | |
45 | #define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */ | |
46 | #else | |
47 | #define CFG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */ | |
48 | #endif | |
49 | ||
acea76a2 WD |
50 | /*----------------------------------------------------------------------- |
51 | * Base addresses -- Note these are effective addresses where the | |
52 | * actual resources get mapped (not physical addresses) | |
53 | *----------------------------------------------------------------------*/ | |
54 | #define CFG_SDRAM_BASE 0x00000000 /* _must_ be 0 */ | |
55 | #define CFG_FLASH_BASE 0xff800000 /* start of FLASH */ | |
8a316c9b | 56 | #define CFG_MONITOR_BASE 0xfffc0000 /* start of monitor */ |
acea76a2 WD |
57 | #define CFG_PCI_MEMBASE 0x80000000 /* mapped pci memory */ |
58 | #define CFG_PERIPHERAL_BASE 0xe0000000 /* internal peripherals */ | |
59 | #define CFG_ISRAM_BASE 0xc0000000 /* internal SRAM */ | |
60 | #define CFG_PCI_BASE 0xd0000000 /* internal PCI regs */ | |
61 | ||
acea76a2 | 62 | #define CFG_NVRAM_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x08000000) |
8a316c9b | 63 | #define CFG_FPGA_BASE (CFG_PERIPHERAL_BASE + 0x08300000) |
acea76a2 WD |
64 | |
65 | /*----------------------------------------------------------------------- | |
66 | * Initial RAM & stack pointer (placed in internal SRAM) | |
67 | *----------------------------------------------------------------------*/ | |
68 | #define CFG_INIT_RAM_ADDR CFG_ISRAM_BASE /* Initial RAM address */ | |
69 | #define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */ | |
70 | #define CFG_GBL_DATA_SIZE 128 /* num bytes initial data */ | |
71 | ||
72 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) | |
73 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET | |
74 | ||
75 | #define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */ | |
76 | #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc*/ | |
77 | ||
78 | /*----------------------------------------------------------------------- | |
79 | * Serial Port | |
80 | *----------------------------------------------------------------------*/ | |
81 | #undef CONFIG_SERIAL_SOFTWARE_FIFO | |
82 | #define CFG_EXT_SERIAL_CLOCK (1843200 * 6) /* Ext clk @ 11.059 MHz */ | |
8a316c9b | 83 | #define CONFIG_BAUDRATE 115200 |
acea76a2 WD |
84 | |
85 | #define CFG_BAUDRATE_TABLE \ | |
86 | {300, 600, 1200, 2400, 4800, 9600, 19200, 38400} | |
87 | ||
88 | /*----------------------------------------------------------------------- | |
89 | * NVRAM/RTC | |
90 | * | |
91 | * NOTE: Upper 8 bytes of NVRAM is where the RTC registers are located. | |
92 | * The DS1743 code assumes this condition (i.e. -- it assumes the base | |
93 | * address for the RTC registers is: | |
94 | * | |
95 | * CFG_NVRAM_BASE_ADDR + CFG_NVRAM_SIZE | |
96 | * | |
97 | *----------------------------------------------------------------------*/ | |
98 | #define CFG_NVRAM_SIZE (0x2000 - 8) /* NVRAM size(8k)- RTC regs */ | |
99 | #define CONFIG_RTC_DS174x 1 /* DS1743 RTC */ | |
100 | ||
8a316c9b SR |
101 | #ifdef CFG_ENV_IS_IN_NVRAM |
102 | #define CFG_ENV_SIZE 0x1000 /* Size of Environment vars */ | |
103 | #define CFG_ENV_ADDR \ | |
104 | (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE) | |
105 | #endif /* CFG_ENV_IS_IN_NVRAM */ | |
106 | ||
acea76a2 WD |
107 | /*----------------------------------------------------------------------- |
108 | * FLASH related | |
109 | *----------------------------------------------------------------------*/ | |
110 | #define CFG_MAX_FLASH_BANKS 3 /* number of banks */ | |
111 | #define CFG_MAX_FLASH_SECT 32 /* sectors per device */ | |
112 | ||
acea76a2 WD |
113 | #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
114 | #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ | |
115 | ||
8a316c9b SR |
116 | #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ |
117 | ||
118 | #define CFG_FLASH_ADDR0 0x5555 | |
119 | #define CFG_FLASH_ADDR1 0x2aaa | |
120 | #define CFG_FLASH_WORD_SIZE unsigned char | |
121 | ||
122 | #ifdef CFG_ENV_IS_IN_FLASH | |
123 | #define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */ | |
124 | #define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE) | |
125 | #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ | |
126 | ||
127 | /* Address and size of Redundant Environment Sector */ | |
128 | #define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE) | |
129 | #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) | |
130 | #endif /* CFG_ENV_IS_IN_FLASH */ | |
131 | ||
acea76a2 WD |
132 | /*----------------------------------------------------------------------- |
133 | * DDR SDRAM | |
134 | *----------------------------------------------------------------------*/ | |
135 | #define CONFIG_SPD_EEPROM /* Use SPD EEPROM for setup */ | |
136 | #define SPD_EEPROM_ADDRESS {0x53,0x52} /* SPD i2c spd addresses */ | |
137 | ||
138 | /*----------------------------------------------------------------------- | |
139 | * I2C | |
140 | *----------------------------------------------------------------------*/ | |
141 | #define CONFIG_HARD_I2C 1 /* I2C with hardware support */ | |
142 | #undef CONFIG_SOFT_I2C /* I2C bit-banged */ | |
143 | #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ | |
144 | #define CFG_I2C_SLAVE 0x7F | |
145 | #define CFG_I2C_NOPROBES {0x69} /* Don't probe these addrs */ | |
146 | ||
8a316c9b SR |
147 | #define CONFIG_PREBOOT "echo;" \ |
148 | "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \ | |
149 | "echo" | |
150 | ||
151 | #undef CONFIG_BOOTARGS | |
152 | ||
153 | #define CONFIG_EXTRA_ENV_SETTINGS \ | |
154 | "netdev=eth0\0" \ | |
155 | "hostname=ebony\0" \ | |
156 | "nfsargs=setenv bootargs root=/dev/nfs rw " \ | |
157 | "nfsroot=$(serverip):$(rootpath)\0" \ | |
158 | "ramargs=setenv bootargs root=/dev/ram rw\0" \ | |
159 | "addip=setenv bootargs $(bootargs) " \ | |
160 | "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \ | |
161 | ":$(hostname):$(netdev):off panic=1\0" \ | |
162 | "addtty=setenv bootargs $(bootargs) console=ttyS0,$(baudrate)\0"\ | |
163 | "flash_nfs=run nfsargs addip addtty;" \ | |
164 | "bootm $(kernel_addr)\0" \ | |
165 | "flash_self=run ramargs addip addtty;" \ | |
166 | "bootm $(kernel_addr) $(ramdisk_addr)\0" \ | |
167 | "net_nfs=tftp 200000 $(bootfile);run nfsargs addip addtty;" \ | |
168 | "bootm\0" \ | |
169 | "rootpath=/opt/eldk/ppc_4xx\0" \ | |
170 | "bootfile=/tftpboot/ebony/uImage\0" \ | |
171 | "kernel_addr=ff800000\0" \ | |
172 | "ramdisk_addr=ff810000\0" \ | |
173 | "load=tftp 100000 /tftpboot/ebony/u-boot.bin\0" \ | |
174 | "update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;" \ | |
175 | "cp.b 100000 fffc0000 40000;" \ | |
176 | "setenv filesize;saveenv\0" \ | |
177 | "upd=run load;run update\0" \ | |
178 | "" | |
179 | #define CONFIG_BOOTCOMMAND "run flash_self" | |
180 | ||
181 | #if 0 | |
182 | #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ | |
183 | #else | |
184 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
185 | #endif | |
acea76a2 | 186 | |
8a316c9b | 187 | #define CONFIG_BAUDRATE 115200 |
acea76a2 WD |
188 | |
189 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
190 | #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ | |
191 | ||
192 | #define CONFIG_MII 1 /* MII PHY management */ | |
193 | #define CONFIG_PHY_ADDR 8 /* PHY address */ | |
194 | ||
acea76a2 | 195 | #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ |
8a316c9b | 196 | CFG_CMD_ASKENV | \ |
acea76a2 | 197 | CFG_CMD_DATE | \ |
8a316c9b SR |
198 | CFG_CMD_DHCP | \ |
199 | CFG_CMD_DIAG | \ | |
200 | CFG_CMD_ELF | \ | |
201 | CFG_CMD_I2C | \ | |
202 | CFG_CMD_IRQ | \ | |
203 | CFG_CMD_MII | \ | |
204 | CFG_CMD_NET | \ | |
205 | CFG_CMD_NFS | \ | |
206 | CFG_CMD_PCI | \ | |
207 | CFG_CMD_PING | \ | |
208 | CFG_CMD_REGINFO | \ | |
209 | CFG_CMD_SDRAM | \ | |
210 | CFG_CMD_SNTP ) | |
acea76a2 WD |
211 | |
212 | /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ | |
213 | #include <cmd_confdefs.h> | |
214 | ||
215 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
216 | ||
217 | /* | |
218 | * Miscellaneous configurable options | |
219 | */ | |
220 | #define CFG_LONGHELP /* undef to save memory */ | |
221 | #define CFG_PROMPT "=> " /* Monitor Command Prompt */ | |
222 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) | |
223 | #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ | |
224 | #else | |
225 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
226 | #endif | |
227 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ | |
228 | #define CFG_MAXARGS 16 /* max number of command args */ | |
229 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
230 | ||
231 | #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ | |
232 | #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ | |
233 | ||
234 | #define CFG_LOAD_ADDR 0x100000 /* default load address */ | |
235 | #define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */ | |
236 | ||
237 | #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ | |
238 | ||
8a316c9b SR |
239 | #define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */ |
240 | #define CONFIG_LOOPW 1 /* enable loopw command */ | |
241 | #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */ | |
242 | #define CONFIG_VERSION_VARIABLE 1 /* include version env variable */ | |
243 | ||
244 | #define CFG_RX_ETH_BUFFER 32 /* Number of ethernet rx buffers & descriptors */ | |
acea76a2 WD |
245 | |
246 | /*----------------------------------------------------------------------- | |
247 | * PCI stuff | |
248 | *----------------------------------------------------------------------- | |
249 | */ | |
250 | /* General PCI */ | |
251 | #define CONFIG_PCI /* include pci support */ | |
252 | #define CONFIG_PCI_PNP /* do pci plug-and-play */ | |
253 | #define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */ | |
254 | #define CFG_PCI_TARGBASE 0x80000000 /* PCIaddr mapped to CFG_PCI_MEMBASE */ | |
255 | ||
256 | /* Board-specific PCI */ | |
257 | #define CFG_PCI_PRE_INIT /* enable board pci_pre_init() */ | |
258 | #define CFG_PCI_TARGET_INIT /* let board init pci target */ | |
259 | ||
8a316c9b | 260 | #define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */ |
acea76a2 WD |
261 | #define CFG_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */ |
262 | ||
263 | /* | |
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. | |
267 | */ | |
268 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ | |
269 | /*----------------------------------------------------------------------- | |
270 | * Cache Configuration | |
271 | */ | |
272 | #define CFG_DCACHE_SIZE 8192 /* For IBM 405 CPUs */ | |
273 | #define CFG_CACHELINE_SIZE 32 /* ... */ | |
274 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) | |
275 | #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ | |
276 | #endif | |
277 | ||
278 | /* | |
279 | * Internal Definitions | |
280 | * | |
281 | * Boot Flags | |
282 | */ | |
283 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ | |
284 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
285 | ||
286 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) | |
287 | #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */ | |
288 | #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ | |
289 | #endif | |
290 | #endif /* __CONFIG_H */ |