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1 /*
2 * U-Boot configuration for SIXNET SXNI855T CPU board.
3 * This board is based (loosely) on the Motorola FADS board, so this
4 * file is based (loosely) on config_FADS860T.h, see it for additional
5 * credits.
6 *
7 * Copyright (c) 2000-2002 Dave Ellis, SIXNET, dge@sixnetio.com
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
29 /*
30 * Memory map:
31 *
32 * ff100000 -> ff13ffff : FPGA CS1
33 * ff030000 -> ff03ffff : EXPANSION CS7
34 * ff020000 -> ff02ffff : DATA FLASH CS4
35 * ff018000 -> ff01ffff : UART B CS6/UPMB
36 * ff010000 -> ff017fff : UART A CS5/UPMB
37 * ff000000 -> ff00ffff : IMAP internal to the MPC855T
38 * f8000000 -> fbffffff : FLASH CS0 up to 64MB
39 * f4000000 -> f7ffffff : NVSRAM CS2 up to 64MB
40 * 00000000 -> 0fffffff : SDRAM CS3/UPMA up to 256MB
41 */
42
43 /* ------------------------------------------------------------------------- */
44
45 /*
46 * board/config.h - configuration options, board specific
47 */
48
49 #ifndef __CONFIG_H
50 #define __CONFIG_H
51
52 /*
53 * High Level Configuration Options
54 * (easy to change)
55 */
56 #include <mpc8xx_irq.h>
57
58 #define CONFIG_SXNI855T 1 /* SIXNET IPm 855T CPU module */
59
60 /* The 855T is just a stripped 860T and needs code for 860, so for now
61 * at least define 860, 860T and 855T
62 */
63 #define CONFIG_MPC860 1
64 #define CONFIG_MPC860T 1
65 #define CONFIG_MPC855T 1
66
67 #define CONFIG_SYS_TEXT_BASE 0xF8000000
68
69 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
70 #undef CONFIG_8xx_CONS_SMC2
71 #undef CONFIG_8xx_CONS_SCC1
72 #undef CONFIG_8xx_CONS_NONE
73 #define CONFIG_BAUDRATE 9600
74 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
75
76 #define MPC8XX_FACT 10 /* 50 MHz is 5 MHz in times 10 */
77
78 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
79
80 #if 0
81 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
82 #else
83 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
84 #endif
85
86 #define CONFIG_HAS_ETH1
87
88 /*-----------------------------------------------------------------------
89 * Definitions for status LED
90 */
91 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
92
93 # define STATUS_LED_PAR im_ioport.iop_papar
94 # define STATUS_LED_DIR im_ioport.iop_padir
95 # define STATUS_LED_ODR im_ioport.iop_paodr
96 # define STATUS_LED_DAT im_ioport.iop_padat
97
98 # define STATUS_LED_BIT 0x8000 /* LED 0 is on PA.0 */
99 # define STATUS_LED_PERIOD ((CONFIG_SYS_HZ / 2) / 5) /* blink at 5 Hz */
100 # define STATUS_LED_STATE STATUS_LED_BLINKING
101
102 # define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */
103
104 # define STATUS_LED_BOOT 0 /* LED 0 used for boot status */
105
106 #ifdef DEV /* development (debug) settings */
107 #define CONFIG_BOOT_LED_STATE STATUS_LED_OFF
108 #else /* production settings */
109 #define CONFIG_BOOT_LED_STATE STATUS_LED_ON
110 #endif
111
112 #define CONFIG_SHOW_BOOT_PROGRESS 1
113
114 #define CONFIG_BOOTCOMMAND "bootm f8040000 f8100000" /* autoboot command */
115 #define CONFIG_BOOTARGS "root=/dev/ram ip=off"
116
117 #define CONFIG_MISC_INIT_R /* have misc_init_r() function */
118 #define CONFIG_BOARD_POSTCLK_INIT /* have board_postclk_init() function */
119
120 #undef CONFIG_WATCHDOG /* watchdog disabled */
121
122 #define CONFIG_RTC_DS1306 /* Dallas 1306 real time clock */
123
124 #define CONFIG_SYS_I2C
125 #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
126 #define CONFIG_SYS_I2C_SOFT_SPEED 50000
127 #define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE
128 /*
129 * Software (bit-bang) I2C driver configuration
130 */
131 #define PB_SCL 0x00000020 /* PB 26 */
132 #define PB_SDA 0x00000010 /* PB 27 */
133
134 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
135 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
136 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
137 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
138 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
139 else immr->im_cpm.cp_pbdat &= ~PB_SDA
140 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
141 else immr->im_cpm.cp_pbdat &= ~PB_SCL
142 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
143
144 # define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Atmel 24C64 */
145 # define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
146
147 #define CONFIG_FEC_ENET 1 /* use FEC ethernet */
148 #define CONFIG_MII 1
149
150 #define CONFIG_SYS_DISCOVER_PHY
151
152
153 /*
154 * BOOTP options
155 */
156 #define CONFIG_BOOTP_BOOTFILESIZE
157 #define CONFIG_BOOTP_BOOTPATH
158 #define CONFIG_BOOTP_GATEWAY
159 #define CONFIG_BOOTP_HOSTNAME
160
161
162 /*
163 * Command line configuration.
164 */
165 #include <config_cmd_default.h>
166
167 #define CONFIG_CMD_EEPROM
168 #define CONFIG_CMD_JFFS2
169 #define CONFIG_CMD_DATE
170
171 /*
172 * Miscellaneous configurable options
173 */
174 #define CONFIG_SYS_LONGHELP /* undef to save a little memory */
175 #define CONFIG_SYS_PROMPT "=>" /* Monitor Command Prompt */
176 #if defined(CONFIG_CMD_KGDB)
177 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
178 #else
179 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
180 #endif
181 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
182 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
183 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
184
185 #define CONFIG_SYS_MEMTEST_START 0x0100000 /* memtest works on */
186 #define CONFIG_SYS_MEMTEST_END 0x0400000 /* 1 ... 4 MB in DRAM */
187
188 #define CONFIG_SYS_LOAD_ADDR 0x00100000
189
190 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
191
192 /*
193 * Low Level Configuration Settings
194 * (address mappings, register initial values, etc.)
195 * You should know what you are doing if you make changes here.
196 */
197 /*-----------------------------------------------------------------------
198 * Internal Memory Mapped Register
199 */
200 #define CONFIG_SYS_IMMR 0xFF000000
201 #define CONFIG_SYS_IMMR_SIZE ((uint)(64 * 1024))
202
203 /*-----------------------------------------------------------------------
204 * Definitions for initial stack pointer and data area (in DPRAM)
205 */
206 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
207 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
208 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
209 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
210
211 /*-----------------------------------------------------------------------
212 * Start addresses for the final memory configuration
213 * (Set up by the startup code)
214 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
215 */
216 #define CONFIG_SYS_SDRAM_BASE 0x00000000
217 #define CONFIG_SYS_SRAM_BASE 0xF4000000
218 #define CONFIG_SYS_SRAM_SIZE 0x04000000 /* autosize up to 64Mbyte */
219
220 #define CONFIG_SYS_FLASH_BASE 0xF8000000
221 #define CONFIG_SYS_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */
222
223 #define CONFIG_SYS_DFLASH_BASE 0xff020000 /* DiskOnChip or NAND FLASH */
224 #define CONFIG_SYS_DFLASH_SIZE 0x00010000
225
226 #define CONFIG_SYS_FPGA_BASE 0xFF100000 /* Xilinx FPGA */
227 #define CONFIG_SYS_FPGA_PROG 0xFF130000 /* Programming address */
228 #define CONFIG_SYS_FPGA_SIZE 0x00040000 /* 256KiB usable */
229
230 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
231 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
232 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
233
234 /*
235 * For booting Linux, the board info and command line data
236 * have to be in the first 8 MB of memory, since this is
237 * the maximum mapped by the Linux kernel during initialization.
238 */
239 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
240 /*-----------------------------------------------------------------------
241 * FLASH organization
242 */
243 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
244 /* Intel 28F640 has 135, 127 64K sectors in 8MB, + 8 more for 8K boot blocks.
245 * AMD 29LV641 has 128 64K sectors in 8MB
246 */
247 #define CONFIG_SYS_MAX_FLASH_SECT 135 /* max number of sectors on one chip */
248
249 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
250 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
251
252 /*-----------------------------------------------------------------------
253 * Cache Configuration
254 */
255 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
256 #if defined(CONFIG_CMD_KGDB)
257 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
258 #endif
259
260 /*-----------------------------------------------------------------------
261 * SYPCR - System Protection Control 11-9
262 * SYPCR can only be written once after reset!
263 *-----------------------------------------------------------------------
264 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
265 */
266 #if defined(CONFIG_WATCHDOG)
267 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
268 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
269 #else
270 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
271 #endif
272
273 /*-----------------------------------------------------------------------
274 * SIUMCR - SIU Module Configuration 11-6
275 *-----------------------------------------------------------------------
276 * PCMCIA config., multi-function pin tri-state
277 */
278 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
279
280 /*-----------------------------------------------------------------------
281 * TBSCR - Time Base Status and Control 11-26
282 *-----------------------------------------------------------------------
283 * Clear Reference Interrupt Status, Timebase freezing enabled
284 */
285 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
286
287 /*-----------------------------------------------------------------------
288 * PISCR - Periodic Interrupt Status and Control 11-31
289 *-----------------------------------------------------------------------
290 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
291 */
292 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
293
294 /*-----------------------------------------------------------------------
295 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
296 *-----------------------------------------------------------------------
297 * set the PLL, the low-power modes and the reset control (15-29)
298 */
299 #define CONFIG_SYS_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \
300 PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
301
302 /*-----------------------------------------------------------------------
303 * SCCR - System Clock and reset Control Register 15-27
304 *-----------------------------------------------------------------------
305 * Set clock output, timebase and RTC source and divider,
306 * power management and some other internal clocks
307 */
308 #define SCCR_MASK SCCR_EBDF11
309 #define CONFIG_SYS_SCCR (SCCR_TBS|SCCR_COM00|SCCR_DFSYNC00|SCCR_DFBRG00|SCCR_DFNL000|SCCR_DFNH000|SCCR_DFLCD000|SCCR_DFALCD00)
310
311 /*-----------------------------------------------------------------------
312 *
313 *-----------------------------------------------------------------------
314 *
315 */
316 #define CONFIG_SYS_DER 0
317
318 /* Because of the way the 860 starts up and assigns CS0 the
319 * entire address space, we have to set the memory controller
320 * differently. Normally, you write the option register
321 * first, and then enable the chip select by writing the
322 * base register. For CS0, you must write the base register
323 * first, followed by the option register.
324 */
325
326 /*
327 * Init Memory Controller:
328 *
329 **********************************************************
330 * BR0 and OR0 (FLASH)
331 */
332
333 #define CONFIG_SYS_PRELIM_OR0_AM 0xFC000000 /* OR addr mask */
334
335 /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */
336 #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX)
337
338 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR0_AM | CONFIG_SYS_OR_TIMING_FLASH)
339
340 #define CONFIG_FLASH_16BIT
341 #define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_V )
342 #define CONFIG_SYS_FLASH_PROTECTION /* need to lock/unlock sectors in hardware */
343
344 /**********************************************************
345 * BR1 and OR1 (FPGA)
346 * These preliminary values are also the final values.
347 */
348 #define CONFIG_SYS_OR_TIMING_FPGA \
349 (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_4_CLK | OR_EHTR | OR_TRLX)
350 #define CONFIG_SYS_BR1_PRELIM ((CONFIG_SYS_FPGA_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
351 #define CONFIG_SYS_OR1_PRELIM (((-CONFIG_SYS_FPGA_SIZE) & OR_AM_MSK) | CONFIG_SYS_OR_TIMING_FPGA)
352
353 /**********************************************************
354 * BR4 and OR4 (data flash)
355 * These preliminary values are also the final values.
356 */
357 #define CONFIG_SYS_OR_TIMING_DFLASH \
358 (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_2_CLK | OR_EHTR | OR_TRLX)
359 #define CONFIG_SYS_BR4_PRELIM ((CONFIG_SYS_DFLASH_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
360 #define CONFIG_SYS_OR4_PRELIM (((-CONFIG_SYS_DFLASH_SIZE) & OR_AM_MSK) | CONFIG_SYS_OR_TIMING_DFLASH)
361
362 /**********************************************************
363 * BR5/6 and OR5/6 (Dual UART)
364 */
365 #define CONFIG_SYS_DUART_SIZE 0x8000 /* 32K window, only uses 8 bytes */
366 #define CONFIG_SYS_DUARTA_BASE 0xff010000
367 #define CONFIG_SYS_DUARTB_BASE 0xff018000
368
369 #define DUART_MBMR 0
370 #define DUART_OR_VALUE (ORMASK(CONFIG_SYS_DUART_SIZE) | OR_G5LS| OR_BI)
371 #define DUART_BR_VALUE (BR_MS_UPMB | BR_PS_8 | BR_V)
372 #define DUART_BR5_VALUE ((CONFIG_SYS_DUARTA_BASE & BR_BA_MSK ) | DUART_BR_VALUE)
373 #define DUART_BR6_VALUE ((CONFIG_SYS_DUARTB_BASE & BR_BA_MSK ) | DUART_BR_VALUE)
374
375 #define CONFIG_RESET_ON_PANIC /* reset if system panic() */
376
377 #define CONFIG_ENV_IS_IN_FLASH
378 #ifdef CONFIG_ENV_IS_IN_FLASH
379 /* environment is in FLASH */
380 #define CONFIG_ENV_ADDR 0xF8040000 /* AM29LV641 or AM29LV800BT */
381 #define CONFIG_ENV_ADDR_REDUND 0xF8050000 /* AM29LV641 or AM29LV800BT */
382 #define CONFIG_ENV_SECT_SIZE 0x00010000
383 #define CONFIG_ENV_SIZE 0x00002000
384 #else
385 /* environment is in EEPROM */
386 #define CONFIG_ENV_IS_IN_EEPROM 1
387 #define CONFIG_ENV_OFFSET 0 /* at beginning of EEPROM */
388 #define CONFIG_ENV_SIZE 1024 /* Use only a part of it*/
389 #endif
390
391 #if 1
392 #define CONFIG_AUTOBOOT_KEYED /* use key strings to stop autoboot */
393 #define CONFIG_AUTOBOOT_PROMPT "autoboot in %d seconds\n", bootdelay
394 #define CONFIG_AUTOBOOT_DELAY_STR "delayabit"
395 #define CONFIG_AUTOBOOT_STOP_STR " " /* easy to stop for now */
396 #endif
397
398 #endif /* __CONFIG_H */