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i2c, ppc4xx_i2c: switch to new multibus/multiadapter support
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1/*
2 * (C) Copyright 2004
3 * Tolunay Orkun, Nextio Inc., torkun@nextio.com
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 * board/config.h - configuration options, board specific
26 */
27
28#ifndef __CONFIG_H
29#define __CONFIG_H
30
31/*
32 * High Level Configuration Options
33 * (easy to change)
34 */
35
53677ef1 36#define CONFIG_405GP 1 /* This is a PPC405GP CPU */
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37#define CONFIG_4xx 1 /* ...member of PPC4xx family */
38#define CONFIG_CSB272 1 /* on a Cogent CSB272 board */
4d13cbad 39#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f() */
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40#define CONFIG_LAST_STAGE_INIT 1 /* Call last_stage_init() */
41#define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */
42
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43#define CONFIG_SYS_TEXT_BASE 0xFFFC0000
44
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45/*
46 * OS Bootstrap configuration
47 *
48 */
49
50#if 0
51#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
52#else
53#define CONFIG_BOOTDELAY 3 /* autoboot after X seconds */
54#endif
55
56#define CONFIG_ZERO_BOOTDELAY_CHECK /* check keypress when bootdelay = 0 */
57
58#if 1
59#undef CONFIG_BOOTARGS
60#define CONFIG_BOOTCOMMAND \
61 "setenv bootargs console=ttyS0,38400 debug " \
62 "root=/dev/ram rw ramdisk_size=4096 " \
fe126d8b 63 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
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64 "bootm fe000000 fe100000"
65#endif
66
67#if 0
68#undef CONFIG_BOOTARGS
69#define CONFIG_BOOTCOMMAND \
70 "bootp; " \
71 "setenv bootargs console=ttyS0,38400 debug " \
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72 "root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
73 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
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74 "bootm"
75#endif
76
77/*
2fd90ce5 78 * BOOTP options
cd0a9de6 79 */
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80#define CONFIG_BOOTP_SUBNETMASK
81#define CONFIG_BOOTP_GATEWAY
82#define CONFIG_BOOTP_HOSTNAME
83#define CONFIG_BOOTP_BOOTPATH
84#define CONFIG_BOOTP_BOOTFILESIZE
85#define CONFIG_BOOTP_DNS2
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86
87
cd0a9de6 88/*
37e4f24b 89 * Command line configuration.
cd0a9de6 90 */
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91#include <config_cmd_default.h>
92
93#define CONFIG_CMD_ASKENV
94#define CONFIG_CMD_BEDBUG
95#define CONFIG_CMD_ELF
96#define CONFIG_CMD_IRQ
97#define CONFIG_CMD_I2C
98#define CONFIG_CMD_PCI
99#define CONFIG_CMD_DATE
100#define CONFIG_CMD_MII
101#define CONFIG_CMD_PING
102#define CONFIG_CMD_DHCP
103
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104
105/*
106 * Serial download configuration
107 *
108 */
109#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
6d0f6bcf 110#define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
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111
112/*
113 * KGDB Configuration
114 *
115 */
37e4f24b 116#if defined(CONFIG_CMD_KGDB)
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117#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
118#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
119#endif
120
121/*
122 * Miscellaneous configurable options
123 *
124 */
6d0f6bcf 125#undef CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
cd0a9de6 126
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127#define CONFIG_SYS_LONGHELP /* undef to save memory */
128#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
37e4f24b 129#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 130#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
cd0a9de6 131#else
6d0f6bcf 132#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
cd0a9de6 133#endif
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134#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
135#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
136#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
cd0a9de6 137
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138#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
139#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
cd0a9de6 140
6d0f6bcf 141#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
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142#define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_info (bd_t) */
143#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
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144
145/*
146 * For booting Linux, the board info and command line data
147 * have to be in the first 8 MB of memory, since this is
148 * the maximum mapped by the Linux kernel during initialization.
149 */
6d0f6bcf 150#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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151
152/*
153 * watchdog configuration
154 *
155 */
156#undef CONFIG_WATCHDOG /* watchdog disabled */
157
158/*
159 * UART configuration
160 *
161 */
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162#define CONFIG_CONS_INDEX 1 /* Use UART0 */
163#define CONFIG_SYS_NS16550
164#define CONFIG_SYS_NS16550_SERIAL
165#define CONFIG_SYS_NS16550_REG_SIZE 1
166#define CONFIG_SYS_NS16550_CLK get_serial_clock()
167
6d0f6bcf 168#define CONFIG_SYS_EXT_SERIAL_CLOCK 3868400 /* use external serial clock */
6d0f6bcf 169#undef CONFIG_SYS_BASE_BAUD
cd0a9de6 170#define CONFIG_BAUDRATE 38400 /* Default baud rate */
6d0f6bcf 171#define CONFIG_SYS_BAUDRATE_TABLE \
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172 { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400 }
173
174/*
175 * I2C configuration
176 *
177 */
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178#define CONFIG_SYS_I2C
179#define CONFIG_SYS_I2C_PPC4XX
180#define CONFIG_SYS_I2C_PPC4XX_CH0
181#define CONFIG_SYS_I2C_PPC4XX_SPEED_0 100000
182#define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F /* I2C slave address */
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183
184/*
185 * MII PHY configuration
186 *
187 */
96e21f86 188#define CONFIG_PPC4xx_EMAC
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189#define CONFIG_MII 1 /* MII PHY management */
190#define CONFIG_PHY_ADDR 0 /* PHY address */
53677ef1 191#define CONFIG_PHY_CMD_DELAY 40 /* PHY COMMAND delay */
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192 /* 32usec min. for LXT971A */
193#define CONFIG_PHY_RESET_DELAY 300 /* PHY RESET recovery delay */
194
195/*
196 * RTC configuration
197 *
198 * Note that DS1307 RTC is limited to 100Khz I2C bus.
199 *
200 */
201#define CONFIG_RTC_DS1307 /* Use Dallas 1307 RTC */
202
203/*
204 * PCI stuff
205 *
206 */
207#define CONFIG_PCI /* include pci support */
842033e6 208#define CONFIG_PCI_INDIRECT_BRIDGE /* indirect PCI bridge support */
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209#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
210#define PCI_HOST_FORCE 1 /* configure as pci host */
211#define PCI_HOST_AUTO 2 /* detected via arbiter enable */
212
213#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
214#define CONFIG_PCI_PNP /* do pci plug-and-play */
215 /* resource configuration */
216#undef CONFIG_PCI_SCAN_SHOW /* print pci devices @ startup */
217#define CONFIG_PCI_BOOTDELAY 0 /* enable pci bootdelay variable*/
218
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219#define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */
220#define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */
221#define CONFIG_SYS_PCI_PTM1LA 0x00000000 /* point to sdram */
222#define CONFIG_SYS_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
223#define CONFIG_SYS_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
224#define CONFIG_SYS_PCI_PTM2LA 0x00000000 /* disabled */
225#define CONFIG_SYS_PCI_PTM2MS 0x00000000 /* disabled */
226#define CONFIG_SYS_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
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227
228/*
229 * IDE stuff
230 *
231 */
232#undef CONFIG_IDE_PCMCIA /* no pcmcia interface required */
233#undef CONFIG_IDE_LED /* no led for ide supported */
234#undef CONFIG_IDE_RESET /* no reset for ide supported */
235
236/*
237 * Environment configuration
238 *
239 */
5a1aceb0 240#define CONFIG_ENV_IS_IN_FLASH 1 /* environment is in FLASH */
9314cee6 241#undef CONFIG_ENV_IS_IN_NVRAM
bb1f8b4f 242#undef CONFIG_ENV_IS_IN_EEPROM
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243
244/*
245 * General Memory organization
246 *
247 * Start addresses for the final memory configuration
248 * (Set up by the startup code)
6d0f6bcf 249 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
cd0a9de6 250 */
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251#define CONFIG_SYS_SDRAM_BASE 0x00000000
252#define CONFIG_SYS_FLASH_BASE 0xFE000000
253#define CONFIG_SYS_FLASH_SIZE 0x02000000
14d0a02a 254#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
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255#define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Reserve 256 KB for Monitor */
256#define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserve 128 KB for malloc() */
257
258#if CONFIG_SYS_MONITOR_BASE < CONFIG_SYS_FLASH_BASE
259#define CONFIG_SYS_RAMSTART
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260#endif
261
5a1aceb0 262#if defined(CONFIG_ENV_IS_IN_FLASH)
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263#define CONFIG_ENV_IN_OWN_SECTOR 1 /* Give Environment own sector */
264#define CONFIG_ENV_ADDR 0xFFF00000 /* Address of Environment Sector */
265#define CONFIG_ENV_SIZE 0x00001000 /* Size of Environment */
266#define CONFIG_ENV_SECT_SIZE 0x00040000 /* Size of Environment Sector */
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267#endif
268
269/*
270 * FLASH Device configuration
271 *
272 */
6d0f6bcf 273#define CONFIG_SYS_FLASH_CFI 1 /* flash is CFI conformant */
00b1883a 274#define CONFIG_FLASH_CFI_DRIVER 1 /* use common cfi driver */
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275#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
276#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max # of memory banks */
277#define CONFIG_SYS_FLASH_INCREMENT 0 /* there is only one bank */
278#define CONFIG_SYS_MAX_FLASH_SECT 128 /* max # of sectors on one chip */
279#define CONFIG_SYS_FLASH_PROTECTION 1 /* hardware flash protection */
280#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
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281
282/*
283 * On Chip Memory location/size
284 *
285 */
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286#define CONFIG_SYS_OCM_DATA_ADDR 0xF8000000
287#define CONFIG_SYS_OCM_DATA_SIZE 0x1000
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288
289/*
290 * Global info and initial stack
291 *
292 */
6d0f6bcf 293#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of on-chip SRAM */
553f0982 294#define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE /* Size of used area in RAM */
25ddd1fb 295#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
6d0f6bcf 296#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
cd0a9de6 297
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298/*
299 * Miscellaneous board specific definitions
300 *
301 */
6d0f6bcf 302#define CONFIG_SYS_I2C_PLL_ADDR 0x58 /* I2C address of AMIS FS6377-01 PLL */
eeb1b77b 303#define CONFIG_I2CFAST 1 /* enable "i2cfast" env. setting */
cd0a9de6 304
cd0a9de6 305#endif /* __CONFIG_H */