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1/*
2 * (C) Copyright 2000
3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
5 *
6 * Configuation settings for the MBX8xx board.
7 *
8 * -----------------------------------------------------------------
9 * See file CREDITS for list of people who contributed to this
10 * project.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * MA 02111-1307 USA
26 */
27/*
28 * Changed 2002-10-01
29 * Added PCMCIA defines mostly taken from other U-Boot boards that
30 * have PCMCIA already working. If you find any bugs, incorrect assumptions
31 * feel free to fix them yourself and submit a patch.
32 * Rod Boyce <rod_boyce@stratexnet.com.
33 */
34/*
35 * board/config.h - configuration options, board specific
36 */
37
38#ifndef __CONFIG_H
39#define __CONFIG_H
40
41/*
42 * High Level Configuration Options
43 * (easy to change)
44 */
45
46#define CONFIG_MPC860 1 /* This is a MPC860 CPU */
47#define CONFIG_MBX 1 /* ...on an MBX module */
48
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49#define CONFIG_SYS_TEXT_BASE 0xfe000000
50
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51#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
52#undef CONFIG_8xx_CONS_SMC2
53#undef CONFIG_8xx_CONS_NONE
54#define CONFIG_BAUDRATE 9600
55/* Define this to use the PCI bus */
56#undef CONFIG_USE_PCI
57
58#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
59#define CONFIG_8xx_GCLK_FREQ (50000000UL)
60#if 1
61#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
62#else
63#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
64#endif
65#define CONFIG_BOOTCOMMAND "bootm 20000" /* autoboot command */
66
67#define CONFIG_BOOTARGS "root=/dev/nfs rw " \
68 "nfsroot=10.0.0.2:/opt/eldk/ppc_8xx " \
69 "nfsaddrs=10.0.0.99:10.0.0.2"
70
71#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
6d0f6bcf 72#undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
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73
74#undef CONFIG_WATCHDOG /* watchdog disabled */
75
e2211743 76
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77/*
78 * BOOTP options
79 */
80#define CONFIG_BOOTP_BOOTFILESIZE
81#define CONFIG_BOOTP_BOOTPATH
82#define CONFIG_BOOTP_GATEWAY
83#define CONFIG_BOOTP_HOSTNAME
84
85
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86/*
87 * Command line configuration.
88 */
89#define CONFIG_CMD_NET
90#define CONFIG_CMD_DFL
91#define CONFIG_CMD_SDRAM
92#define CONFIG_CMD_PCMCIA
93#define CONFIG_CMD_IDE
e2211743 94
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95
96#define CONFIG_DOS_PARTITION
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97
98/*
99 * Miscellaneous configurable options
100 */
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101#define CONFIG_SYS_LONGHELP /* undef to save memory */
102#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
103#undef CONFIG_SYS_HUSH_PARSER /* Hush parse for U-Boot */
104#ifdef CONFIG_SYS_HUSH_PARSER
105#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
e2211743 106#endif
8353e139 107#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 108#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
e2211743 109#else
6d0f6bcf 110#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
e2211743 111#endif
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112#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
113#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
114#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
e2211743 115
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116#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
117#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
e2211743 118
6d0f6bcf 119#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
e2211743 120
6d0f6bcf 121#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
e2211743 122
6d0f6bcf 123#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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124
125/*
126 * Low Level Configuration Settings
127 * (address mappings, register initial values, etc.)
128 * You should know what you are doing if you make changes here.
129 */
130
131/*-----------------------------------------------------------------------
132 * Physical memory map as defined by the MBX PGM
133 */
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134#define CONFIG_SYS_IMMR 0xFA200000 /* Internal Memory Mapped Register*/
135#define CONFIG_SYS_NVRAM_BASE 0xFA000000 /* NVRAM */
136#define CONFIG_SYS_NVRAM_OR 0xffe00000 /* w/o speed dependent flags!! */
137#define CONFIG_SYS_CSR_BASE 0xFA100000 /* Control/Status Registers */
138#define CONFIG_SYS_PCIMEM_BASE 0x80000000 /* PCI I/O and Memory Spaces */
139#define CONFIG_SYS_PCIMEM_OR 0xA0000108
140#define CONFIG_SYS_PCIBRIDGE_BASE 0xFA210000 /* PCI-Bus Bridge Registers */
141#define CONFIG_SYS_PCIBRIDGE_OR 0xFFFF0108
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142
143/*-----------------------------------------------------------------------
144 * Definitions for initial stack pointer and data area (in DPRAM)
145 */
6d0f6bcf 146#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
553f0982 147#define CONFIG_SYS_INIT_RAM_SIZE 0x2f00 /* Size of used area in DPRAM */
6d0f6bcf 148#define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
553f0982 149#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - CONFIG_SYS_GBL_DATA_SIZE)
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150#define CONFIG_SYS_INIT_VPD_SIZE 256 /* size in bytes reserved for vpd buffer */
151#define CONFIG_SYS_INIT_VPD_OFFSET (CONFIG_SYS_GBL_DATA_OFFSET - CONFIG_SYS_INIT_VPD_SIZE)
152#define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_INIT_VPD_OFFSET-8)
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153
154/*-----------------------------------------------------------------------
155 * Offset in DPMEM where we keep the VPD data
156 */
6d0f6bcf 157#define CONFIG_SYS_DPRAMVPD (CONFIG_SYS_INIT_VPD_OFFSET - 0x2000)
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158
159/*-----------------------------------------------------------------------
160 * Start addresses for the final memory configuration
161 * (Set up by the startup code)
6d0f6bcf 162 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
e2211743 163 */
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164#define CONFIG_SYS_SDRAM_BASE 0x00000000
165#define CONFIG_SYS_FLASH_BASE 0xfe000000
e2211743 166#ifdef DEBUG
6d0f6bcf 167#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
e2211743 168#else
6d0f6bcf 169#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
e2211743 170#endif
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171#undef CONFIG_SYS_MONITOR_BASE /* 0x200000 to run U-Boot from RAM */
172#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
173#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
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174
175/*
176 * For booting Linux, the board info and command line data
177 * have to be in the first 8 MB of memory, since this is
178 * the maximum mapped by the Linux kernel during initialization.
179 */
6d0f6bcf 180#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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181
182/*-----------------------------------------------------------------------
183 * FLASH organization
184 */
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185#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
186#define CONFIG_SYS_MAX_FLASH_SECT 16 /* max number of sectors on one chip */
e2211743 187
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188#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
189#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
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190
191/*-----------------------------------------------------------------------
192 * NVRAM Configuration
193 *
194 * Note: the MBX is special because there is already a firmware on this
195 * board: EPPC-Bug from Motorola. To avoid collisions in NVRAM Usage, we
196 * access the NVRAM at the offset 0x1000.
197 */
9314cee6 198#define CONFIG_ENV_IS_IN_NVRAM 1 /* turn on NVRAM env feature */
6d0f6bcf 199#define CONFIG_ENV_ADDR (CONFIG_SYS_NVRAM_BASE + 0x1000)
0e8d1586 200#define CONFIG_ENV_SIZE 0x1000
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201
202/*-----------------------------------------------------------------------
203 * Cache Configuration
204 */
6d0f6bcf 205#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
8353e139 206#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 207#define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
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208#endif
209
210/*-----------------------------------------------------------------------
211 * SYPCR - System Protection Control 11-9
212 * SYPCR can only be written once after reset!
213 *-----------------------------------------------------------------------
214 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
215 */
216#if defined(CONFIG_WATCHDOG)
6d0f6bcf 217#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
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218 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
219#else
6d0f6bcf 220#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF)
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221#endif
222
223/*-----------------------------------------------------------------------
224 * SIUMCR - SIU Module Configuration 11-6
225 *-----------------------------------------------------------------------
226 * PCMCIA config., multi-function pin tri-state
227 */
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228/* #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DPC | SIUMCR_MLRC10 | SIUMCR_SEME) */
229#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DPC | SIUMCR_MLRC11 | SIUMCR_SEME | SIUMCR_BSC )
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230
231/*-----------------------------------------------------------------------
232 * TBSCR - Time Base Status and Control 11-26
233 *-----------------------------------------------------------------------
234 * Clear Reference Interrupt Status, Timebase freezing enabled
235 */
6d0f6bcf 236#define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
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237
238/*-----------------------------------------------------------------------
239 * PISCR - Periodic Interrupt Status and Control 11-31
240 *-----------------------------------------------------------------------
241 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
242 */
6d0f6bcf 243#define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF | PISCR_PTE)
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244
245/*-----------------------------------------------------------------------
246 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
247 *-----------------------------------------------------------------------
248 * Reset PLL lock status sticky bit, timer expired status bit and timer
249 * interrupt status bit - leave PLL multiplication factor unchanged !
250 */
6d0f6bcf 251#define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
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252
253/*-----------------------------------------------------------------------
254 * SCCR - System Clock and reset Control Register 15-27
255 *-----------------------------------------------------------------------
256 * Set clock output, timebase and RTC source and divider,
257 * power management and some other internal clocks
258 */
259#define SCCR_MASK (SCCR_RTDIV | SCCR_RTSEL)
6d0f6bcf 260#define CONFIG_SYS_SCCR SCCR_TBS
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261
262/*-----------------------------------------------------------------------
263 * PCMCIA stuff
264 *-----------------------------------------------------------------------
265 *
266 */
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267#define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
268#define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
269#define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
270#define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
271#define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
272#define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
273#define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
274#define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
e2211743 275
6d0f6bcf 276#define CONFIG_SYS_PCMCIA_INTERRUPT SIU_LEVEL6
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277
278#define CONFIG_PCMCIA_SLOT_A 1
279
280
281/*-----------------------------------------------------------------------
282 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
283 *-----------------------------------------------------------------------
284 */
285
286#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
287
288#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
289#undef CONFIG_IDE_LED /* LED for ide not supported */
290#undef CONFIG_IDE_RESET /* reset for ide not supported */
291
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292#define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
293#define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
e2211743 294
6d0f6bcf 295#define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
e2211743 296
6d0f6bcf 297#define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
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298
299/* Offset for data I/O */
6d0f6bcf 300#define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
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301
302/* Offset for normal register accesses */
6d0f6bcf 303#define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
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304
305/* Offset for alternate registers */
6d0f6bcf 306#define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
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307
308/*-----------------------------------------------------------------------
309 * Debug Entry Mode
310 *-----------------------------------------------------------------------
311 *
312 */
6d0f6bcf 313#define CONFIG_SYS_DER 0
e2211743 314
e2211743 315#endif /* __CONFIG_H */