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wdenkc6097192002-11-03 00:24:07 +00001/*
2 * (C) Copyright 2002
3 * Wolfgang Grandegger, DENX Software Engineering, wg@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
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.
12 *
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.
17 *
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,
21 * MA 02111-1307 USA
22 */
23
24/* ------------------------------------------------------------------------- */
25
26/*
27 * board/config.h - configuration options, board specific
28 */
29
30#ifndef __CONFIG_H
31#define __CONFIG_H
32
33/*
34 * High Level Configuration Options
35 * (easy to change)
36 */
37
38#define CONFIG_MPC824X 1
39#define CONFIG_MPC8240 1
40#define CONFIG_PN62 1
41
42#define CONFIG_CONS_INDEX 1
43
44
45#define REMOVE_COMMANDS ( CFG_CMD_AUTOSCRIPT | \
46 CFG_CMD_LOADS | \
47 CFG_CMD_ENV | \
48 CFG_CMD_FLASH )
49
50#define CONFIG_COMMANDS ( (CONFIG_CMD_DFL & ~REMOVE_COMMANDS) |\
51 CFG_CMD_PCI |\
52 CFG_CMD_BSP)
53
54#define CONFIG_BAUDRATE 19200 /* console baudrate */
55
56#define CONFIG_BOOTDELAY 1 /* autoboot after n seconds */
57
58#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
59
60#define CONFIG_SERVERIP 10.0.0.201
61#define CONFIG_IPADDR 10.0.0.200
62#define CONFIG_ROOTPATH /opt/eldk/ppc_82xx
63#define CONFIG_NETMASK 255.255.255.0
64#undef CONFIG_BOOTARGS
65#if 0
66/* Boot Linux with NFS root filesystem */
67#define CONFIG_BOOTCOMMAND \
68 "setenv verify y;" \
69 "setenv bootargs console=ttyS0,19200 mem=31M quiet " \
70 "root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
71 "ip=$(ipaddr):$(serverip)::$(netmask):pn62:eth0:off;" \
72 "loadp 100000; bootm"
wdenk3bac3512003-03-12 10:41:04 +000073 /* "tftpboot 100000 uImage; bootm" */
wdenkc6097192002-11-03 00:24:07 +000074#else
75/* Boot Linux with RAMdisk based filesystem (initrd, BusyBox) */
76#define CONFIG_BOOTCOMMAND \
77 "setenv verify n;" \
78 "setenv bootargs console=ttyS0,19200 mem=31M quiet " \
79 "root=/dev/ram rw " \
80 "ip=$(ipaddr):$(serverip)::$(netmask):pn62:eth0:off;" \
81 "loadp 200000; bootm"
82#endif
83
84/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
85#include <cmd_confdefs.h>
86
87
88/*
89 * Miscellaneous configurable options
90 */
91#define CFG_LONGHELP 1 /* undef to save memory */
92#define CFG_PROMPT "=> " /* Monitor Command Prompt */
93#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
94#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
95#define CFG_MAXARGS 16 /* max number of command args */
96#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
97#define CFG_LOAD_ADDR 0x00100000 /* default load address */
98#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
99
100#define CONFIG_PRAM 1024 /* reserve 1 MB protected RAM */
101
102#define CONFIG_MISC_INIT_R 1 /* call misc_init_r() on init */
103
104#define CONFIG_SHOW_BOOT_PROGRESS 1 /* Show boot progress on LEDs */
105
106/*
107 * PCI stuff
108 */
109#define CONFIG_PCI /* include pci support */
110#define CONFIG_PCI_PNP /* we need Plug 'n Play */
111#if 0
112#define CONFIG_PCI_SCAN_SHOW /* show PCI auto-scan at boot */
113#endif
114
115/*
116 * Networking stuff
117 */
118#define CONFIG_NET_MULTI /* Multi ethernet cards support */
119
120#define CONFIG_PCNET /* there are 2 AMD PCnet 79C973 */
121#define CONFIG_PCNET_79C973
122
123#define _IO_BASE 0xfe000000 /* points to PCI I/O space */
124
125
126/*
127 * Start addresses for the final memory configuration
128 * (Set up by the startup code)
129 * Please note that CFG_SDRAM_BASE _must_ start at 0
130 */
131#define CFG_SDRAM_BASE 0x00000000
132#define CFG_MAX_RAM_SIZE 0x10000000
133
134#define CFG_RESET_ADDRESS 0xfff00100
135
136#undef CFG_RAMBOOT
137#define CFG_MONITOR_LEN 0x00030000
138#define CFG_MONITOR_BASE TEXT_BASE
139
140/*#define CFG_GBL_DATA_SIZE 256*/
141#define CFG_GBL_DATA_SIZE 128
142
143#define CFG_INIT_RAM_ADDR 0x40000000
144#define CFG_INIT_RAM_END 0x1000
145#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
146
147
148#define CFG_NO_FLASH 1 /* There is no FLASH memory */
149
150#define CFG_ENV_IS_NOWHERE 1 /* Store ENV in memory only */
151#define CFG_ENV_OFFSET 0x00004000 /* Offset of Environment Sector */
152#define CFG_ENV_SIZE 0x00002000 /* Total Size of Environment Sector */
153
154#define CFG_MALLOC_LEN (512 << 10) /* Reserve 512 kB for malloc() */
155
156#define CFG_MEMTEST_START 0x00004000 /* memtest works on */
157#define CFG_MEMTEST_END 0x01f00000 /* 0 ... 32 MB in DRAM */
158
159/*
160 * Serial port configuration
161 */
162#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
163
164#define CFG_NS16550
165#define CFG_NS16550_SERIAL
166
167#define CFG_NS16550_REG_SIZE 1
168
169#define CFG_NS16550_CLK 1843200
170
171#define CFG_NS16550_COM1 0xff800008
172#define CFG_NS16550_COM2 0xff800000
173
174/*
175 * Low Level Configuration Settings
176 * (address mappings, register initial values, etc.)
177 * You should know what you are doing if you make changes here.
178 */
179
180#define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
181#define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER 3
182
183#define CFG_EUMB_ADDR 0xFCE00000
184
185/* MCCR1 */
186#define CFG_ROMNAL 3 /* rom/flash next access time */
187#define CFG_ROMFAL 7 /* rom/flash access time */
188
189/* MCCR2 */
190#define CFG_ASRISE 6 /* ASRISE in clocks */
191#define CFG_ASFALL 12 /* ASFALL in clocks */
192#define CFG_REFINT 5600 /* REFINT in clocks */
193
194/* MCCR3 */
195#define CFG_BSTOPRE 0x3cf /* Burst To Precharge */
196#define CFG_REFREC 2 /* Refresh to activate interval */
197#define CFG_RDLAT 3 /* data latency from read command */
198
199/* MCCR4 */
200#define CFG_PRETOACT 1 /* Precharge to activate interval */
201#define CFG_ACTTOPRE 3 /* Activate to Precharge interval */
202#define CFG_ACTORW 2 /* Activate to R/W */
203#define CFG_SDMODE_CAS_LAT 2 /* SDMODE CAS latency */
204#define CFG_SDMODE_WRAP 0 /* SDMODE Wrap type */
205#define CFG_SDMODE_BURSTLEN 2 /* SDMODE Burst length 2=4, 3=8 */
206#define CFG_REGISTERD_TYPE_BUFFER 1
207
208/* Memory bank settings:
209 *
210 * only bits 20-29 are actually used from these vales to set the
211 * start/qend address the upper two bits will be 0, and the lower 20
212 * bits will be set to 0x00000 for a start address, or 0xfffff for an
213 * end address
214 */
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 0x00000000
219#define CFG_BANK1_END 0x00000000
220#define CFG_BANK1_ENABLE 0
221#define CFG_BANK2_START 0x00000000
222#define CFG_BANK2_END 0x00000000
223#define CFG_BANK2_ENABLE 0
224#define CFG_BANK3_START 0x00000000
225#define CFG_BANK3_END 0x00000000
226#define CFG_BANK3_ENABLE 0
227#define CFG_BANK4_START 0x00000000
228#define CFG_BANK4_END 0x00000000
229#define CFG_BANK4_ENABLE 0
230#define CFG_BANK5_START 0x00000000
231#define CFG_BANK5_END 0x00000000
232#define CFG_BANK5_ENABLE 0
233#define CFG_BANK6_START 0x00000000
234#define CFG_BANK6_END 0x00000000
235#define CFG_BANK6_ENABLE 0
236#define CFG_BANK7_START 0x00000000
237#define CFG_BANK7_END 0x00000000
238#define CFG_BANK7_ENABLE 0
239
240/*
241 * Memory bank enable bitmask, specifying which of the banks defined above
242 * are actually present. MSB is for bank #7, LSB is for bank #0.
243 */
244#define CFG_BANK_ENABLE 0x01
245
246#define CFG_ODCR 0xff /* configures line driver impedances, */
247 /* see 8240 book for bit definitions */
248#define CFG_PGMAX 0x32 /* how long the 8240 retains the */
249 /* currently accessed page in memory */
250 /* see 8240 book for details */
251
252/* SDRAM 0 - 256MB */
253#define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
254#define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
255
256#define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
257#define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
258
259/* PCI memory space */
260#define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
261#define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
262
263/* Config addrs, etc */
264#define CFG_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
265#define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
266
267#define CFG_DBAT0L CFG_IBAT0L
268#define CFG_DBAT0U CFG_IBAT0U
269#define CFG_DBAT1L CFG_IBAT1L
270#define CFG_DBAT1U CFG_IBAT1U
271#define CFG_DBAT2L CFG_IBAT2L
272#define CFG_DBAT2U CFG_IBAT2U
273#define CFG_DBAT3L CFG_IBAT3L
274#define CFG_DBAT3U CFG_IBAT3U
275
276/*
277 * For booting Linux, the board info and command line data
278 * have to be in the first 8 MB of memory, since this is
279 * the maximum mapped by the Linux kernel during initialization.
280 */
281#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
282
283/*
284 * Cache Configuration
285 */
286#define CFG_CACHELINE_SIZE 32 /* For MPC8240 CPU */
287#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
288# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
289#endif
290
291
292/*
293 * Internal Definitions
294 *
295 * Boot Flags
296 */
297#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
298#define BOOTFLAG_WARM 0x02 /* Software reboot */
299
300
301#endif /* __CONFIG_H */