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5b1d7137
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1/*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 * Keith Outwater, keith_outwater@mvis.com
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 * MA 02111-1307 USA
23 */
24
25/*
26 * board/config_GEN860T.h - board specific configuration options
27 */
28
29#ifndef __CONFIG_GEN860T_H
30#define __CONFIG_H
31
32/*
33 * High Level Configuration Options
34 */
35#define CONFIG_MPC860
36#define CONFIG_GEN860T
37
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38#define CONFIG_SYS_TEXT_BASE 0x40000000
39
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40/*
41 * Identify the board
42 */
7aa78614 43#if !defined(CONFIG_SC)
53677ef1 44#define CONFIG_IDENT_STRING " B2"
7aa78614 45#else
53677ef1 46#define CONFIG_IDENT_STRING " SC"
7aa78614 47#endif
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48
49/*
50 * Don't depend on the RTC clock to determine clock frequency -
51 * the 860's internal rtc uses a 32.768 KHz clock which is
52 * generated by the DS1337 - and the DS1337 clock can be turned off.
53 */
7aa78614 54#if !defined(CONFIG_SC)
53677ef1 55#define CONFIG_8xx_GCLK_FREQ 66600000
7aa78614 56#else
53677ef1 57#define CONFIG_8xx_GCLK_FREQ 48000000
7aa78614 58#endif
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59
60/*
61 * The RS-232 console port is on SMC1
62 */
63#define CONFIG_8xx_CONS_SMC1
53677ef1 64#define CONFIG_BAUDRATE 38400
5b1d7137 65
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66/*
67 * Print console information
68 */
6d0f6bcf 69#undef CONFIG_SYS_CONSOLE_INFO_QUIET
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70
71/*
72 * Set the autoboot delay in seconds. A delay of -1 disables autoboot
73 */
74#define CONFIG_BOOTDELAY 5
75
76/*
77 * Pass the clock frequency to the Linux kernel in units of MHz
78 */
79#define CONFIG_CLOCKS_IN_MHZ
80
81#define CONFIG_PREBOOT \
82 "echo;echo"
83
84#undef CONFIG_BOOTARGS
85#define CONFIG_BOOTCOMMAND \
86 "bootp;" \
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87 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
88 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
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89 "bootm"
90
91/*
92 * Turn off echo for serial download by default. Allow baud rate to be changed
93 * for downloads
94 */
95#undef CONFIG_LOADS_ECHO
6d0f6bcf 96#define CONFIG_SYS_LOADS_BAUD_CHANGE
5b1d7137 97
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98/*
99 * Turn off the watchdog timer
100 */
101#undef CONFIG_WATCHDOG
102
103/*
104 * Do not reboot if a panic occurs
105 */
106#define CONFIG_PANIC_HANG
107
108/*
109 * Enable the status LED
110 */
111#define CONFIG_STATUS_LED
112
113/*
114 * Reset address. We pick an address such that when an instruction
115 * is executed at that address, a machine check exception occurs
116 */
6d0f6bcf 117#define CONFIG_SYS_RESET_ADDRESS ((ulong) -1)
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118
119/*
120 * BOOTP options
121 */
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122#define CONFIG_BOOTP_SUBNETMASK
123#define CONFIG_BOOTP_GATEWAY
124#define CONFIG_BOOTP_HOSTNAME
125#define CONFIG_BOOTP_BOOTPATH
126#define CONFIG_BOOTP_BOOTFILESIZE
127
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128
129/*
130 * The GEN860T network interface uses the on-chip 10/100 FEC with
131 * an Intel LXT971A PHY connected to the 860T's MII. The PHY's
132 * MII address is hardwired on the board to zero.
133 */
134#define CONFIG_FEC_ENET
6d0f6bcf 135#define CONFIG_SYS_DISCOVER_PHY
5b1d7137 136#define CONFIG_MII
0f3ba7e9 137#define CONFIG_MII_INIT 1
53677ef1 138#define CONFIG_PHY_ADDR 0
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139
140/*
141 * Set default IP stuff just to get bootstrap entries into the
74de7aef 142 * environment so that we can source the full default environment.
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143 */
144#define CONFIG_ETHADDR 9a:52:63:15:85:25
7aa78614 145#define CONFIG_SERVERIP 10.0.4.201
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146#define CONFIG_IPADDR 10.0.4.111
147
148/*
149 * This board has a 32 kibibyte EEPROM (Atmel AT24C256) connected to
150 * the MPC860T I2C interface.
151 */
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152#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
153#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 /* 64 byte pages */
154#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 12 /* 10 mS w/ 20% margin */
155#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* need 16 bit address */
0e8d1586 156#define CONFIG_ENV_EEPROM_SIZE (32 * 1024)
5b1d7137 157
5b1d7137 158/*
7aa78614 159 * Enable I2C and select the hardware/software driver
5b1d7137 160 */
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161#define CONFIG_HARD_I2C 1 /* CPM based I2C */
162#undef CONFIG_SYS_I2C_SOFT /* Bit-banged I2C */
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163
164#ifdef CONFIG_HARD_I2C
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165#define CONFIG_SYS_I2C_SPEED 100000 /* clock speed in Hz */
166#define CONFIG_SYS_I2C_SLAVE 0xFE /* I2C slave address */
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167#endif
168
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169#ifdef CONFIG_SYS_I2C_SOFT
170#define CONFIG_SYS_I2C
171#define CONFIG_SYS_I2C_SOFT_SPEED 50000
172#define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE
173#define PB_SCL 0x00000020 /* PB 26 */
174#define PB_SDA 0x00000010 /* PB 27 */
175#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
176#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
177#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
178#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
179#define I2C_SDA(bit) if (bit) \
180 immr->im_cpm.cp_pbdat |= PB_SDA; \
181 else \
182 immr->im_cpm.cp_pbdat &= ~PB_SDA
183#define I2C_SCL(bit) if (bit) \
184 immr->im_cpm.cp_pbdat |= PB_SCL; \
185 else \
186 immr->im_cpm.cp_pbdat &= ~PB_SCL
187#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
7aa78614 188#endif
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189
190/*
191 * Allow environment overwrites by anyone
192 */
193#define CONFIG_ENV_OVERWRITE
194
7aa78614 195#if !defined(CONFIG_SC)
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196/*
197 * The MPC860's internal RTC is horribly broken in rev D masks. Three
198 * internal MPC860T circuit nodes were inadvertently left floating; this
199 * causes KAPWR current in power down mode to be three orders of magnitude
200 * higher than specified in the datasheet (from 10 uA to 10 mA). No
201 * reasonable battery can keep that kind RTC running during powerdown for any
202 * length of time, so we use an external RTC on the I2C bus instead.
203 */
5b1d7137 204#define CONFIG_RTC_DS1337
6d0f6bcf 205#define CONFIG_SYS_I2C_RTC_ADDR 0x68
5b1d7137 206
7aa78614 207#else
5b1d7137 208/*
7aa78614 209 * No external RTC on SC variant, so we're stuck with the internal one.
5b1d7137 210 */
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211#define CONFIG_RTC_MPC8xx
212#endif
213
214/*
215 * Power On Self Test support
216 */
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217#define CONFIG_POST ( CONFIG_SYS_POST_CACHE | \
218 CONFIG_SYS_POST_MEMORY | \
219 CONFIG_SYS_POST_CPU | \
220 CONFIG_SYS_POST_UART | \
221 CONFIG_SYS_POST_SPR )
7aa78614 222
60a0876b 223
5b1d7137 224/*
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225 * Command line configuration.
226 */
227#include <config_cmd_default.h>
228
229#define CONFIG_CMD_ASKENV
230#define CONFIG_CMD_DHCP
231#define CONFIG_CMD_I2C
232#define CONFIG_CMD_EEPROM
233#define CONFIG_CMD_REGINFO
234#define CONFIG_CMD_IMMAP
235#define CONFIG_CMD_ELF
236#define CONFIG_CMD_DATE
237#define CONFIG_CMD_FPGA
238#define CONFIG_CMD_MII
239#define CONFIG_CMD_BEDBUG
7aa78614 240
af075ee9 241#ifdef CONFIG_POST
cdd917a4 242#define CONFIG_CMD_DIAG
af075ee9 243#endif
60a0876b 244
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245/*
246 * There is no IDE/PCMCIA hardware support on the board.
247 */
248#undef CONFIG_IDE_PCMCIA
249#undef CONFIG_IDE_LED
250#undef CONFIG_IDE_RESET
251
252/*
253 * Enable the call to misc_init_r() for miscellaneous platform
254 * dependent initialization.
255 */
256#define CONFIG_MISC_INIT_R
257
258/*
259 * Enable call to last_stage_init() so we can twiddle some LEDS :)
260 */
261#define CONFIG_LAST_STAGE_INIT
262
263/*
264 * Virtex2 FPGA configuration support
265 */
266#define CONFIG_FPGA_COUNT 1
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267#define CONFIG_FPGA
268#define CONFIG_FPGA_XILINX
269#define CONFIG_FPGA_VIRTEX2
6d0f6bcf 270#define CONFIG_SYS_FPGA_PROG_FEEDBACK
5b1d7137 271
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272/*
273 * Verbose help from command monitor.
274 */
6d0f6bcf 275#define CONFIG_SYS_LONGHELP
7aa78614 276#if !defined(CONFIG_SC)
6d0f6bcf 277#define CONFIG_SYS_PROMPT "B2> "
7aa78614 278#else
6d0f6bcf 279#define CONFIG_SYS_PROMPT "SC> "
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280#endif
281
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282
283/*
284 * Use the "hush" command parser
285 */
6d0f6bcf 286#define CONFIG_SYS_HUSH_PARSER
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287
288/*
289 * Set buffer size for console I/O
290 */
60a0876b 291#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 292#define CONFIG_SYS_CBSIZE 1024
5b1d7137 293#else
6d0f6bcf 294#define CONFIG_SYS_CBSIZE 256
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295#endif
296
297/*
298 * Print buffer size
299 */
6d0f6bcf 300#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
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301
302/*
303 * Maximum number of arguments that a command can accept
304 */
6d0f6bcf 305#define CONFIG_SYS_MAXARGS 16
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306
307/*
308 * Boot argument buffer size
309 */
6d0f6bcf 310#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
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311
312/*
313 * Default memory test range
314 */
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315#define CONFIG_SYS_MEMTEST_START 0x0100000
316#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + (128 * 1024))
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317
318/*
319 * Select the more full-featured memory test
320 */
6d0f6bcf 321#define CONFIG_SYS_ALT_MEMTEST
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322
323/*
324 * Default load address
325 */
6d0f6bcf 326#define CONFIG_SYS_LOAD_ADDR 0x01000000
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327
328/*
329 * Set decrementer frequency (1 ms ticks)
330 */
6d0f6bcf 331#define CONFIG_SYS_HZ 1000
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332
333/*
334 * Device memory map (after SDRAM remap to 0x0):
335 *
336 * CS Device Base Addr Size
337 * ----------------------------------------------------
338 * CS0* Flash 0x40000000 64 M
339 * CS1* SDRAM 0x00000000 16 M
340 * CS2* Disk-On-Chip 0x50000000 32 K
341 * CS3* FPGA 0x60000000 64 M
342 * CS4* SelectMap 0x70000000 32 K
343 * CS5* Mil-Std 1553 I/F 0x80000000 32 K
344 * CS6* Unused
345 * CS7* Unused
346 * IMMR 860T Registers 0xfff00000
347 */
348
349/*
350 * Base addresses and block sizes
351 */
6d0f6bcf 352#define CONFIG_SYS_IMMR 0xFF000000
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353
354#define SDRAM_BASE 0x00000000
355#define SDRAM_SIZE (64 * 1024 * 1024)
356
357#define FLASH_BASE 0x40000000
358#define FLASH_SIZE (16 * 1024 * 1024)
359
360#define DOC_BASE 0x50000000
361#define DOC_SIZE (32 * 1024)
362
363#define FPGA_BASE 0x60000000
364#define FPGA_SIZE (64 * 1024 * 1024)
365
366#define SELECTMAP_BASE 0x70000000
367#define SELECTMAP_SIZE (32 * 1024)
368
369#define M1553_BASE 0x80000000
370#define M1553_SIZE (64 * 1024)
371
372/*
373 * Definitions for initial stack pointer and data area (in DPRAM)
374 */
6d0f6bcf 375#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
553f0982 376#define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
6d0f6bcf 377#define CONFIG_SYS_INIT_DATA_SIZE 64 /* # bytes reserved for initial data*/
553f0982 378#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - CONFIG_SYS_INIT_DATA_SIZE)
6d0f6bcf 379#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
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380
381/*
382 * Start addresses for the final memory configuration
383 * (Set up by the startup code)
6d0f6bcf 384 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
5b1d7137 385 */
6d0f6bcf 386#define CONFIG_SYS_SDRAM_BASE SDRAM_BASE
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387
388/*
389 * FLASH organization
390 */
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391#define CONFIG_SYS_FLASH_BASE FLASH_BASE
392#define CONFIG_SYS_FLASH_SIZE FLASH_SIZE
393#define CONFIG_SYS_FLASH_SECT_SIZE (128 * 1024)
394#define CONFIG_SYS_MAX_FLASH_BANKS 1
395#define CONFIG_SYS_MAX_FLASH_SECT 128
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396
397/*
398 * The timeout values are for an entire chip and are in milliseconds.
399 * Yes I know that the write timeout is huge. Accroding to the
400 * datasheet a single byte takes 630 uS (round to 1 ms) max at worst
401 * case VCC and temp after 100K programming cycles. It works out
402 * to 280 minutes (might as well be forever).
403 */
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404#define CONFIG_SYS_FLASH_ERASE_TOUT (CONFIG_SYS_MAX_FLASH_SECT * 5000)
405#define CONFIG_SYS_FLASH_WRITE_TOUT (CONFIG_SYS_MAX_FLASH_SECT * 128 * 1024 * 1)
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406
407/*
408 * Allow direct writes to FLASH from tftp transfers (** dangerous **)
409 */
6d0f6bcf 410#define CONFIG_SYS_DIRECT_FLASH_TFTP
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411
412/*
413 * Reserve memory for U-Boot.
414 */
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415#define CONFIG_SYS_MAX_UBOOT_SECTS 4
416#define CONFIG_SYS_MONITOR_LEN (CONFIG_SYS_MAX_UBOOT_SECTS * CONFIG_SYS_FLASH_SECT_SIZE)
417#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
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418
419/*
420 * Select environment placement. NOTE that u-boot.lds must
421 * be edited if this is changed!
422 */
5a1aceb0 423#undef CONFIG_ENV_IS_IN_FLASH
bb1f8b4f 424#define CONFIG_ENV_IS_IN_EEPROM
5b1d7137 425
bb1f8b4f 426#if defined(CONFIG_ENV_IS_IN_EEPROM)
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427#define CONFIG_ENV_SIZE (2 * 1024)
428#define CONFIG_ENV_OFFSET (CONFIG_ENV_EEPROM_SIZE - (8 * 1024))
5b1d7137 429#else
0e8d1586 430#define CONFIG_ENV_SIZE 0x1000
6d0f6bcf 431#define CONFIG_ENV_SECT_SIZE CONFIG_SYS_FLASH_SECT_SIZE
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432
433/*
434 * This ultimately gets passed right into the linker script, so we have to
435 * use a number :(
436 */
0e8d1586 437#define CONFIG_ENV_OFFSET 0x060000
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438#endif
439
440/*
441 * Reserve memory for malloc()
442 */
6d0f6bcf 443#define CONFIG_SYS_MALLOC_LEN (128 * 1024)
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444
445/*
446 * For booting Linux, the board info and command line data
447 * have to be in the first 8 MB of memory, since this is
448 * the maximum mapped by the Linux kernel during initialization.
449 */
6d0f6bcf 450#define CONFIG_SYS_BOOTMAPSZ (8 * 1024 * 1024)
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451
452/*
453 * Cache Configuration
454 */
6d0f6bcf 455#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
60a0876b 456#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 457#define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of above value */
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458#endif
459
460/*------------------------------------------------------------------------
7aa78614 461 * SYPCR - System Protection Control UM 11-9
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462 * -----------------------------------------------------------------------
463 * SYPCR can only be written once after reset!
464 *
465 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
466 */
467#if defined(CONFIG_WATCHDOG)
6d0f6bcf 468#define CONFIG_SYS_SYPCR ( SYPCR_SWTC | \
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469 SYPCR_BMT | \
470 SYPCR_BME | \
471 SYPCR_SWF | \
472 SYPCR_SWE | \
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473 SYPCR_SWRI | \
474 SYPCR_SWP \
475 )
476#else
6d0f6bcf 477#define CONFIG_SYS_SYPCR ( SYPCR_SWTC | \
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478 SYPCR_BMT | \
479 SYPCR_BME | \
480 SYPCR_SWF | \
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481 SYPCR_SWP \
482 )
483#endif
484
485/*-----------------------------------------------------------------------
486 * SIUMCR - SIU Module Configuration UM 11-6
487 *-----------------------------------------------------------------------
488 * Set debug pin mux, enable SPKROUT and GPLB5*.
489 */
6d0f6bcf 490#define CONFIG_SYS_SIUMCR ( SIUMCR_DBGC11 | \
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491 SIUMCR_DBPC11 | \
492 SIUMCR_MLRC11 | \
493 SIUMCR_GB5E \
494 )
495
496/*-----------------------------------------------------------------------
497 * TBSCR - Time Base Status and Control UM 11-26
498 *-----------------------------------------------------------------------
499 * Clear Reference Interrupt Status, Timebase freeze enabled
500 */
6d0f6bcf 501#define CONFIG_SYS_TBSCR ( TBSCR_REFA | \
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502 TBSCR_REFB | \
503 TBSCR_TBF \
504 )
505
506/*-----------------------------------------------------------------------
507 * RTCSC - Real-Time Clock Status and Control Register UM 11-27
508 *-----------------------------------------------------------------------
509 */
6d0f6bcf 510#define CONFIG_SYS_RTCSC ( RTCSC_SEC | \
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511 RTCSC_ALR | \
512 RTCSC_RTF | \
513 RTCSC_RTE \
514 )
515
516/*-----------------------------------------------------------------------
517 * PISCR - Periodic Interrupt Status and Control UM 11-31
518 *-----------------------------------------------------------------------
519 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
520 */
6d0f6bcf 521#define CONFIG_SYS_PISCR ( PISCR_PS | \
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522 PISCR_PITF \
523 )
524
525/*-----------------------------------------------------------------------
526 * PLPRCR - PLL, Low-Power, and Reset Control Register UM 15-30
527 *-----------------------------------------------------------------------
528 * Reset PLL lock status sticky bit, timer expired status bit and timer
529 * interrupt status bit. Set MF for 1:2:1 mode.
530 */
6d0f6bcf 531#define CONFIG_SYS_PLPRCR ( ((0x1 << PLPRCR_MF_SHIFT) & PLPRCR_MF_MSK) | \
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532 PLPRCR_SPLSS | \
533 PLPRCR_TEXPS | \
534 PLPRCR_TMIST \
535 )
536
537/*-----------------------------------------------------------------------
538 * SCCR - System Clock and reset Control Register UM 15-27
539 *-----------------------------------------------------------------------
540 * Set clock output, timebase and RTC source and divider,
541 * power management and some other internal clocks
542 */
543#define SCCR_MASK SCCR_EBDF11
544
7aa78614 545#if !defined(CONFIG_SC)
6d0f6bcf 546#define CONFIG_SYS_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \
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547 SCCR_COM00 | /* full strength CLKOUT */ \
548 SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \
549 SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \
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550 SCCR_DFNL000 | \
551 SCCR_DFNH000 \
552 )
7aa78614 553#else
6d0f6bcf 554#define CONFIG_SYS_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \
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555 SCCR_COM00 | /* full strength CLKOUT */ \
556 SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \
557 SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \
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558 SCCR_DFNL000 | \
559 SCCR_DFNH000 | \
560 SCCR_RTDIV | \
561 SCCR_RTSEL \
562 )
563#endif
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564
565/*-----------------------------------------------------------------------
566 * DER - Debug Enable Register UM 37-46
567 *-----------------------------------------------------------------------
568 * Mask all events that can cause entry into debug mode
569 */
6d0f6bcf 570#define CONFIG_SYS_DER 0
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571
572/*
573 * Initialize Memory Controller:
574 *
575 * BR0 and OR0 (FLASH memory)
576 */
577#define FLASH_BASE0_PRELIM FLASH_BASE
578
579/*
580 * Flash address mask
581 */
6d0f6bcf 582#define CONFIG_SYS_PRELIM_OR_AM 0xfe000000
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583
584/*
585 * FLASH timing:
586 * 33 Mhz bus with ACS = 11, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1
587 */
6d0f6bcf 588#define CONFIG_SYS_OR_TIMING_FLASH ( OR_CSNT_SAM | \
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589 OR_ACS_DIV2 | \
590 OR_BI | \
591 OR_SCY_2_CLK | \
592 OR_TRLX | \
593 OR_EHTR \
594 )
595
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596#define CONFIG_SYS_OR0_PRELIM ( CONFIG_SYS_PRELIM_OR_AM | \
597 CONFIG_SYS_OR_TIMING_FLASH \
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598 )
599
6d0f6bcf 600#define CONFIG_SYS_BR0_PRELIM ( (FLASH_BASE0_PRELIM & BR_BA_MSK) | \
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601 BR_MS_GPCM | \
602 BR_PS_8 | \
53677ef1 603 BR_V \
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604 )
605
606/*
607 * SDRAM configuration
608 */
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609#define CONFIG_SYS_OR1_AM 0xfc000000
610#define CONFIG_SYS_OR1 ( (CONFIG_SYS_OR1_AM & OR_AM_MSK) | \
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611 OR_CSNT_SAM \
612 )
613
6d0f6bcf 614#define CONFIG_SYS_BR1 ( (SDRAM_BASE & BR_BA_MSK) | \
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615 BR_MS_UPMA | \
616 BR_PS_32 | \
617 BR_V \
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618 )
619
620/*
621 * Refresh rate 7.8 us (= 64 ms / 8K = 31.2 uS quad bursts) for one bank
622 * of 256 MBit SDRAM
623 */
6d0f6bcf 624#define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16
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625
626/*
627 * Periodic timer for refresh @ 33 MHz system clock
628 */
6d0f6bcf 629#define CONFIG_SYS_MAMR_PTA 64
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630
631/*
632 * MAMR settings for SDRAM
633 */
6d0f6bcf 634#define CONFIG_SYS_MAMR_8COL ( (CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | \
53677ef1 635 MAMR_PTAE | \
5b1d7137 636 MAMR_AMA_TYPE_1 | \
53677ef1 637 MAMR_DSA_1_CYCL | \
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638 MAMR_G0CLA_A10 | \
639 MAMR_RLFA_1X | \
640 MAMR_WLFA_1X | \
641 MAMR_TLFA_4X \
642 )
643
644/*
645 * CS2* configuration for Disk On Chip:
646 * 33 MHz bus with TRLX=1, ACS=11, CSNT=1, EBDF=1, SCY=2, EHTR=1,
647 * no burst.
648 */
6d0f6bcf 649#define CONFIG_SYS_OR2_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
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650 OR_CSNT_SAM | \
651 OR_ACS_DIV2 | \
652 OR_BI | \
653 OR_SCY_2_CLK | \
654 OR_TRLX | \
655 OR_EHTR \
656 )
657
6d0f6bcf 658#define CONFIG_SYS_BR2_PRELIM ( (DOC_BASE & BR_BA_MSK) | \
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659 BR_PS_8 | \
660 BR_MS_GPCM | \
661 BR_V \
662 )
663
664/*
665 * CS3* configuration for FPGA:
666 * 33 MHz bus with SCY=15, no burst.
667 * The FPGA uses TA and TEA to terminate bus cycles, but we
668 * clear SETA and set the cycle length to a large number so that
669 * the cycle will still complete even if there is a configuration
670 * error that prevents TA from asserting on FPGA accesss.
671 */
6d0f6bcf 672#define CONFIG_SYS_OR3_PRELIM ( (0xfc000000 & OR_AM_MSK) | \
5b1d7137 673 OR_SCY_15_CLK | \
53677ef1 674 OR_BI \
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675 )
676
6d0f6bcf 677#define CONFIG_SYS_BR3_PRELIM ( (FPGA_BASE & BR_BA_MSK) | \
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678 BR_PS_32 | \
679 BR_MS_GPCM | \
53677ef1 680 BR_V \
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681 )
682/*
683 * CS4* configuration for FPGA SelectMap configuration interface.
684 * 33 MHz bus, UPMB, no burst. Do not assert GPLB5 on falling edge
685 * of GCLK1_50
686 */
6d0f6bcf 687#define CONFIG_SYS_OR4_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
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688 OR_G5LS | \
689 OR_BI \
690 )
691
6d0f6bcf 692#define CONFIG_SYS_BR4_PRELIM ( (SELECTMAP_BASE & BR_BA_MSK) | \
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693 BR_PS_8 | \
694 BR_MS_UPMB | \
53677ef1 695 BR_V \
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696 )
697
698/*
699 * CS5* configuration for Mil-Std 1553 databus interface.
700 * 33 MHz bus, GPCM, no burst.
701 * The 1553 interface uses TA and TEA to terminate bus cycles,
702 * but we clear SETA and set the cycle length to a large number so that
703 * the cycle will still complete even if there is a configuration
704 * error that prevents TA from asserting on FPGA accesss.
705 */
6d0f6bcf 706#define CONFIG_SYS_OR5_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
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707 OR_SCY_15_CLK | \
708 OR_EHTR | \
709 OR_TRLX | \
710 OR_CSNT_SAM | \
711 OR_BI \
712 )
713
6d0f6bcf 714#define CONFIG_SYS_BR5_PRELIM ( (M1553_BASE & BR_BA_MSK) | \
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715 BR_PS_16 | \
716 BR_MS_GPCM | \
53677ef1 717 BR_V \
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718 )
719
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720/*
721 * FEC interrupt assignment
722 */
723#define FEC_INTERRUPT SIU_LEVEL1
724
725/*
726 * Sanity checks
727 */
728#if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
729#error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
730#endif
731
732#endif /* __CONFIG_GEN860T_H */