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wdenkc6097192002-11-03 00:24:07 +00001/*
2 * (C) Copyright 2001
3 * Wolfgang Denk, DENX Software Engineering, wd@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_OXC 1
41
42#define CONFIG_BOARD_PRE_INIT 1 /* Call board_pre_init */
43
44#define CONFIG_IDENT_STRING " [oxc] "
45
46#define CONFIG_WATCHDOG 1
47#define CONFIG_SHOW_ACTIVITY 1
48#define CONFIG_SHOW_BOOT_PROGRESS 1
49
50#define CONFIG_CONS_INDEX 1
51#define CONFIG_BAUDRATE 9600
52#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
53
54#define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_ELF)
55
56/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
57#include <cmd_confdefs.h>
58
59/*
60 * Miscellaneous configurable options
61 */
62#define CFG_LONGHELP 1 /* undef to save memory */
63#define CFG_PROMPT "=> " /* Monitor Command Prompt */
64#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
65#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
66#define CFG_MAXARGS 16 /* max number of command args */
67#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
68#define CFG_LOAD_ADDR 0x00100000 /* default load address */
69#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
70
71#define CONFIG_MISC_INIT_R 1 /* call misc_init_r() on init */
72
73/*-----------------------------------------------------------------------
74 * Boot options
75 */
76
77#define CONFIG_SERVERIP 10.0.0.1
78#define CONFIG_GATEWAYIP 10.0.0.1
79#define CONFIG_NETMASK 255.255.255.0
80#define CONFIG_LOADADDR 0x10000
81#define CONFIG_BOOTFILE "/mnt/ide0/p2/usr/tftp/oxc.elf"
82#define CONFIG_BOOTCOMMAND "tftp 0x10000 ; bootelf 0x10000"
83#define CONFIG_BOOTDELAY 10
84
85#define CFG_OXC_GENERATE_IP 1 /* Generate IP automatically */
86#define CFG_OXC_IPMASK 0x0A000000 /* 10.0.0.x */
87
88/*-----------------------------------------------------------------------
89 * PCI stuff
90 */
91
92#define CONFIG_PCI /* include pci support */
93
94#define CONFIG_NET_MULTI /* Multi ethernet cards support */
95
96#define CONFIG_EEPRO100 /* Ethernet Express PRO 100 */
97
98#define PCI_ENET0_IOADDR 0x80000000
99#define PCI_ENET0_MEMADDR 0x80000000
100#define PCI_ENET1_IOADDR 0x81000000
101#define PCI_ENET1_MEMADDR 0x81000000
102
103/*-----------------------------------------------------------------------
104 * FLASH
105 */
106
107#define CFG_FLASH_PRELIMBASE 0xFF800000
108#define CFG_FLASH_BASE (0-flash_info[0].size)
109
110#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
111#define CFG_MAX_FLASH_SECT 32 /* max number of sectors on one chip */
112
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
116/*-----------------------------------------------------------------------
117 * RAM
118 */
119
120#define CFG_SDRAM_BASE 0x00000000
121#define CFG_MAX_RAM_SIZE 0x10000000
122
123#define CFG_RESET_ADDRESS 0xFFF00100
124
125#define CFG_MONITOR_BASE TEXT_BASE
126#define CFG_MONITOR_LEN 0x00030000
127
128#if (CFG_MONITOR_BASE < CFG_FLASH_PRELIMBASE)
129# define CFG_RAMBOOT 1
130#else
131# undef CFG_RAMBOOT
132#endif
133
134#define CFG_INIT_RAM_ADDR 0x40000000
135#define CFG_INIT_RAM_END 0x1000
136
137#define CFG_GBL_DATA_SIZE 128
138#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
139#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
140
141#define CFG_MALLOC_LEN (512 << 10) /* Reserve 512 kB for malloc() */
142
143#define CFG_MEMTEST_START 0x00000000 /* memtest works on */
144#define CFG_MEMTEST_END 0x04000000 /* 0 ... 32 MB in DRAM */
145
146/*-----------------------------------------------------------------------
147 * Memory mapping
148 */
149
150#define CFG_CPLD_BASE 0xff000000 /* CPLD registers */
151#define CFG_CPLD_WATCHDOG (CFG_CPLD_BASE) /* Watchdog */
152#define CFG_CPLD_RESET (CFG_CPLD_BASE + 0x040000) /* Minor resets */
153#define CFG_UART_BASE (CFG_CPLD_BASE + 0x700000) /* debug UART */
154
155/*-----------------------------------------------------------------------
156 * NS16550 Configuration
157 */
158
159#define CFG_NS16550
160#define CFG_NS16550_SERIAL
161#define CFG_NS16550_REG_SIZE -4
162#define CFG_NS16550_CLK 1843200
163#define CFG_NS16550_COM1 CFG_UART_BASE
164
165/*-----------------------------------------------------------------------
166 * I2C Bus
167 */
168
169#define CONFIG_I2C 1 /* I2C support on ... */
170#define CONFIG_HARD_I2C 1 /* ... hardware one */
171#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
172#define CFG_I2C_SLAVE 0x7F /* I2C slave address */
173
174#define CFG_I2C_EXPANDER0_ADDR 0x20 /* PCF8574 expander 0 addrerr */
175#define CFG_I2C_EXPANDER1_ADDR 0x21 /* PCF8574 expander 1 addrerr */
176#define CFG_I2C_EXPANDER2_ADDR 0x26 /* PCF8574 expander 2 addrerr */
177
178/*-----------------------------------------------------------------------
179 * Environment
180 */
181
182#define CFG_ENV_IS_IN_FLASH 1
183#define CFG_ENV_ADDR 0xFFF30000 /* Offset of Environment Sector */
184#define CFG_ENV_SIZE 0x00010000 /* Total Size of Environment Sector */
185#define CONFIG_ENV_OVERWRITE 1 /* Allow modifying the environment */
186
187/*
188 * Low Level Configuration Settings
189 * (address mappings, register initial values, etc.)
190 * You should know what you are doing if you make changes here.
191 */
192
193#define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */
194#define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER 2
195
196#define CFG_EUMB_ADDR 0xFC000000
197
198/* MCCR1 */
199#define CFG_ROMNAL 0 /* rom/flash next access time */
200#define CFG_ROMFAL 19 /* rom/flash access time */
201
202/* MCCR2 */
203#define CFG_ASRISE 15 /* ASRISE=15 clocks */
204#define CFG_ASFALL 3 /* ASFALL=3 clocks */
205#define CFG_REFINT 1000 /* REFINT=1000 clocks */
206
207/* MCCR3 */
208#define CFG_BSTOPRE 0x35c /* Burst To Precharge */
209#define CFG_REFREC 7 /* Refresh to activate interval */
210#define CFG_RDLAT 4 /* data latency from read command */
211
212/* MCCR4 */
213#define CFG_PRETOACT 2 /* Precharge to activate interval */
214#define CFG_ACTTOPRE 5 /* Activate to Precharge interval */
215#define CFG_ACTORW 2 /* Activate to R/W */
216#define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latency */
217#define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */
218#define CFG_SDMODE_BURSTLEN 3 /* SDMODE Burst length 2=4, 3=8 */
219#define CFG_REGISTERD_TYPE_BUFFER 1
220
221/* memory bank settings*/
222/*
223 * only bits 20-29 are actually used from these vales to set the
224 * start/end address the upper two bits will be 0, and the lower 20
225 * bits will be set to 0x00000 for a start address, or 0xfffff for an
226 * end address
227 */
228#define CFG_BANK0_START 0x00000000
229#define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1)
230#define CFG_BANK0_ENABLE 1
231#define CFG_BANK1_START 0x00000000
232#define CFG_BANK1_END 0x00000000
233#define CFG_BANK1_ENABLE 0
234#define CFG_BANK2_START 0x00000000
235#define CFG_BANK2_END 0x00000000
236#define CFG_BANK2_ENABLE 0
237#define CFG_BANK3_START 0x00000000
238#define CFG_BANK3_END 0x00000000
239#define CFG_BANK3_ENABLE 0
240#define CFG_BANK4_START 0x00000000
241#define CFG_BANK4_END 0x00000000
242#define CFG_BANK4_ENABLE 0
243#define CFG_BANK5_START 0x00000000
244#define CFG_BANK5_END 0x00000000
245#define CFG_BANK5_ENABLE 0
246#define CFG_BANK6_START 0x00000000
247#define CFG_BANK6_END 0x00000000
248#define CFG_BANK6_ENABLE 0
249#define CFG_BANK7_START 0x00000000
250#define CFG_BANK7_END 0x00000000
251#define CFG_BANK7_ENABLE 0
252/*
253 * Memory bank enable bitmask, specifying which of the banks defined above
254 are actually present. MSB is for bank #7, LSB is for bank #0.
255 */
256#define CFG_BANK_ENABLE 0x01
257
258#define CFG_ODCR 0xff /* configures line driver impedances, */
259 /* see 8240 book for bit definitions */
260#define CFG_PGMAX 0x32 /* how long the 8240 retains the */
261 /* currently accessed page in memory */
262 /* see 8240 book for details */
263
264/* SDRAM 0 - 256MB */
265#define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
266#define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
267
268/* stack in DCACHE @ 1GB (no backing mem) */
269#define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
270#define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
271
272/* PCI memory */
273#define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
274#define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
275
276/* Flash, config addrs, etc */
277#define CFG_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
278#define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
279
280#define CFG_DBAT0L CFG_IBAT0L
281#define CFG_DBAT0U CFG_IBAT0U
282#define CFG_DBAT1L CFG_IBAT1L
283#define CFG_DBAT1U CFG_IBAT1U
284#define CFG_DBAT2L CFG_IBAT2L
285#define CFG_DBAT2U CFG_IBAT2U
286#define CFG_DBAT3L CFG_IBAT3L
287#define CFG_DBAT3U CFG_IBAT3U
288
289/*
290 * For booting Linux, the board info and command line data
291 * have to be in the first 8 MB of memory, since this is
292 * the maximum mapped by the Linux kernel during initialization.
293 */
294#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
295
296/*-----------------------------------------------------------------------
297 * Cache Configuration
298 */
299#define CFG_CACHELINE_SIZE 32 /* For MPC8240 CPU */
300#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
301# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
302#endif
303
304/*
305 * Internal Definitions
306 *
307 * Boot Flags
308 */
309#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
310#define BOOTFLAG_WARM 0x02 /* Software reboot */
311
312#endif /* __CONFIG_H */