3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 * Keith Outwater, keith_outwater@mvis.com
6 * See file CREDITS for list of people who contributed to this
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.
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.
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,
26 * board/config_GEN860T.h - board specific configuration options
29 #ifndef __CONFIG_GEN860T_H
33 * High Level Configuration Options
36 #define CONFIG_GEN860T
38 #define CONFIG_SYS_TEXT_BASE 0x40000000
43 #if !defined(CONFIG_SC)
44 #define CONFIG_IDENT_STRING " B2"
46 #define CONFIG_IDENT_STRING " SC"
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.
54 #if !defined(CONFIG_SC)
55 #define CONFIG_8xx_GCLK_FREQ 66600000
57 #define CONFIG_8xx_GCLK_FREQ 48000000
61 * The RS-232 console port is on SMC1
63 #define CONFIG_8xx_CONS_SMC1
64 #define CONFIG_BAUDRATE 38400
67 * Print console information
69 #undef CONFIG_SYS_CONSOLE_INFO_QUIET
72 * Set the autoboot delay in seconds. A delay of -1 disables autoboot
74 #define CONFIG_BOOTDELAY 5
77 * Pass the clock frequency to the Linux kernel in units of MHz
79 #define CONFIG_CLOCKS_IN_MHZ
81 #define CONFIG_PREBOOT \
84 #undef CONFIG_BOOTARGS
85 #define CONFIG_BOOTCOMMAND \
87 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
88 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
92 * Turn off echo for serial download by default. Allow baud rate to be changed
95 #undef CONFIG_LOADS_ECHO
96 #define CONFIG_SYS_LOADS_BAUD_CHANGE
99 * Set default load address for tftp network downloads
101 #define CONFIG_SYS_TFTP_LOADADDR 0x01000000
104 * Turn off the watchdog timer
106 #undef CONFIG_WATCHDOG
109 * Do not reboot if a panic occurs
111 #define CONFIG_PANIC_HANG
114 * Enable the status LED
116 #define CONFIG_STATUS_LED
119 * Reset address. We pick an address such that when an instruction
120 * is executed at that address, a machine check exception occurs
122 #define CONFIG_SYS_RESET_ADDRESS ((ulong) -1)
127 #define CONFIG_BOOTP_SUBNETMASK
128 #define CONFIG_BOOTP_GATEWAY
129 #define CONFIG_BOOTP_HOSTNAME
130 #define CONFIG_BOOTP_BOOTPATH
131 #define CONFIG_BOOTP_BOOTFILESIZE
135 * The GEN860T network interface uses the on-chip 10/100 FEC with
136 * an Intel LXT971A PHY connected to the 860T's MII. The PHY's
137 * MII address is hardwired on the board to zero.
139 #define CONFIG_FEC_ENET
140 #define CONFIG_SYS_DISCOVER_PHY
142 #define CONFIG_MII_INIT 1
143 #define CONFIG_PHY_ADDR 0
146 * Set default IP stuff just to get bootstrap entries into the
147 * environment so that we can source the full default environment.
149 #define CONFIG_ETHADDR 9a:52:63:15:85:25
150 #define CONFIG_SERVERIP 10.0.4.201
151 #define CONFIG_IPADDR 10.0.4.111
154 * This board has a 32 kibibyte EEPROM (Atmel AT24C256) connected to
155 * the MPC860T I2C interface.
157 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
158 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 /* 64 byte pages */
159 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 12 /* 10 mS w/ 20% margin */
160 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* need 16 bit address */
161 #define CONFIG_ENV_EEPROM_SIZE (32 * 1024)
164 * Enable I2C and select the hardware/software driver
166 #define CONFIG_HARD_I2C 1 /* CPM based I2C */
167 #undef CONFIG_SOFT_I2C /* Bit-banged I2C */
169 #ifdef CONFIG_HARD_I2C
170 #define CONFIG_SYS_I2C_SPEED 100000 /* clock speed in Hz */
171 #define CONFIG_SYS_I2C_SLAVE 0xFE /* I2C slave address */
174 #ifdef CONFIG_SOFT_I2C
175 #define PB_SCL 0x00000020 /* PB 26 */
176 #define PB_SDA 0x00000010 /* PB 27 */
177 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
178 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
179 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
180 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
181 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
182 else immr->im_cpm.cp_pbdat &= ~PB_SDA
183 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
184 else immr->im_cpm.cp_pbdat &= ~PB_SCL
185 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
189 * Allow environment overwrites by anyone
191 #define CONFIG_ENV_OVERWRITE
193 #if !defined(CONFIG_SC)
195 * The MPC860's internal RTC is horribly broken in rev D masks. Three
196 * internal MPC860T circuit nodes were inadvertently left floating; this
197 * causes KAPWR current in power down mode to be three orders of magnitude
198 * higher than specified in the datasheet (from 10 uA to 10 mA). No
199 * reasonable battery can keep that kind RTC running during powerdown for any
200 * length of time, so we use an external RTC on the I2C bus instead.
202 #define CONFIG_RTC_DS1337
203 #define CONFIG_SYS_I2C_RTC_ADDR 0x68
207 * No external RTC on SC variant, so we're stuck with the internal one.
209 #define CONFIG_RTC_MPC8xx
213 * Power On Self Test support
215 #define CONFIG_POST ( CONFIG_SYS_POST_CACHE | \
216 CONFIG_SYS_POST_MEMORY | \
217 CONFIG_SYS_POST_CPU | \
218 CONFIG_SYS_POST_UART | \
219 CONFIG_SYS_POST_SPR )
223 * Command line configuration.
225 #include <config_cmd_default.h>
227 #define CONFIG_CMD_ASKENV
228 #define CONFIG_CMD_DHCP
229 #define CONFIG_CMD_I2C
230 #define CONFIG_CMD_EEPROM
231 #define CONFIG_CMD_REGINFO
232 #define CONFIG_CMD_IMMAP
233 #define CONFIG_CMD_ELF
234 #define CONFIG_CMD_DATE
235 #define CONFIG_CMD_FPGA
236 #define CONFIG_CMD_MII
237 #define CONFIG_CMD_BEDBUG
240 #define CONFIG_CMD_DIAG
244 * There is no IDE/PCMCIA hardware support on the board.
246 #undef CONFIG_IDE_PCMCIA
247 #undef CONFIG_IDE_LED
248 #undef CONFIG_IDE_RESET
251 * Enable the call to misc_init_r() for miscellaneous platform
252 * dependent initialization.
254 #define CONFIG_MISC_INIT_R
257 * Enable call to last_stage_init() so we can twiddle some LEDS :)
259 #define CONFIG_LAST_STAGE_INIT
262 * Virtex2 FPGA configuration support
264 #define CONFIG_FPGA_COUNT 1
266 #define CONFIG_FPGA_XILINX
267 #define CONFIG_FPGA_VIRTEX2
268 #define CONFIG_SYS_FPGA_PROG_FEEDBACK
271 * Verbose help from command monitor.
273 #define CONFIG_SYS_LONGHELP
274 #if !defined(CONFIG_SC)
275 #define CONFIG_SYS_PROMPT "B2> "
277 #define CONFIG_SYS_PROMPT "SC> "
282 * Use the "hush" command parser
284 #define CONFIG_SYS_HUSH_PARSER
287 * Set buffer size for console I/O
289 #if defined(CONFIG_CMD_KGDB)
290 #define CONFIG_SYS_CBSIZE 1024
292 #define CONFIG_SYS_CBSIZE 256
298 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
301 * Maximum number of arguments that a command can accept
303 #define CONFIG_SYS_MAXARGS 16
306 * Boot argument buffer size
308 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
311 * Default memory test range
313 #define CONFIG_SYS_MEMTEST_START 0x0100000
314 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + (128 * 1024))
317 * Select the more full-featured memory test
319 #define CONFIG_SYS_ALT_MEMTEST
322 * Default load address
324 #define CONFIG_SYS_LOAD_ADDR 0x01000000
327 * Set decrementer frequency (1 ms ticks)
329 #define CONFIG_SYS_HZ 1000
332 * Device memory map (after SDRAM remap to 0x0):
334 * CS Device Base Addr Size
335 * ----------------------------------------------------
336 * CS0* Flash 0x40000000 64 M
337 * CS1* SDRAM 0x00000000 16 M
338 * CS2* Disk-On-Chip 0x50000000 32 K
339 * CS3* FPGA 0x60000000 64 M
340 * CS4* SelectMap 0x70000000 32 K
341 * CS5* Mil-Std 1553 I/F 0x80000000 32 K
344 * IMMR 860T Registers 0xfff00000
348 * Base addresses and block sizes
350 #define CONFIG_SYS_IMMR 0xFF000000
352 #define SDRAM_BASE 0x00000000
353 #define SDRAM_SIZE (64 * 1024 * 1024)
355 #define FLASH_BASE 0x40000000
356 #define FLASH_SIZE (16 * 1024 * 1024)
358 #define DOC_BASE 0x50000000
359 #define DOC_SIZE (32 * 1024)
361 #define FPGA_BASE 0x60000000
362 #define FPGA_SIZE (64 * 1024 * 1024)
364 #define SELECTMAP_BASE 0x70000000
365 #define SELECTMAP_SIZE (32 * 1024)
367 #define M1553_BASE 0x80000000
368 #define M1553_SIZE (64 * 1024)
371 * Definitions for initial stack pointer and data area (in DPRAM)
373 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
374 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
375 #define CONFIG_SYS_INIT_DATA_SIZE 64 /* # bytes reserved for initial data*/
376 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - CONFIG_SYS_INIT_DATA_SIZE)
377 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
380 * Start addresses for the final memory configuration
381 * (Set up by the startup code)
382 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
384 #define CONFIG_SYS_SDRAM_BASE SDRAM_BASE
389 #define CONFIG_SYS_FLASH_BASE FLASH_BASE
390 #define CONFIG_SYS_FLASH_SIZE FLASH_SIZE
391 #define CONFIG_SYS_FLASH_SECT_SIZE (128 * 1024)
392 #define CONFIG_SYS_MAX_FLASH_BANKS 1
393 #define CONFIG_SYS_MAX_FLASH_SECT 128
396 * The timeout values are for an entire chip and are in milliseconds.
397 * Yes I know that the write timeout is huge. Accroding to the
398 * datasheet a single byte takes 630 uS (round to 1 ms) max at worst
399 * case VCC and temp after 100K programming cycles. It works out
400 * to 280 minutes (might as well be forever).
402 #define CONFIG_SYS_FLASH_ERASE_TOUT (CONFIG_SYS_MAX_FLASH_SECT * 5000)
403 #define CONFIG_SYS_FLASH_WRITE_TOUT (CONFIG_SYS_MAX_FLASH_SECT * 128 * 1024 * 1)
406 * Allow direct writes to FLASH from tftp transfers (** dangerous **)
408 #define CONFIG_SYS_DIRECT_FLASH_TFTP
411 * Reserve memory for U-Boot.
413 #define CONFIG_SYS_MAX_UBOOT_SECTS 4
414 #define CONFIG_SYS_MONITOR_LEN (CONFIG_SYS_MAX_UBOOT_SECTS * CONFIG_SYS_FLASH_SECT_SIZE)
415 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
418 * Select environment placement. NOTE that u-boot.lds must
419 * be edited if this is changed!
421 #undef CONFIG_ENV_IS_IN_FLASH
422 #define CONFIG_ENV_IS_IN_EEPROM
424 #if defined(CONFIG_ENV_IS_IN_EEPROM)
425 #define CONFIG_ENV_SIZE (2 * 1024)
426 #define CONFIG_ENV_OFFSET (CONFIG_ENV_EEPROM_SIZE - (8 * 1024))
428 #define CONFIG_ENV_SIZE 0x1000
429 #define CONFIG_ENV_SECT_SIZE CONFIG_SYS_FLASH_SECT_SIZE
432 * This ultimately gets passed right into the linker script, so we have to
435 #define CONFIG_ENV_OFFSET 0x060000
439 * Reserve memory for malloc()
441 #define CONFIG_SYS_MALLOC_LEN (128 * 1024)
444 * For booting Linux, the board info and command line data
445 * have to be in the first 8 MB of memory, since this is
446 * the maximum mapped by the Linux kernel during initialization.
448 #define CONFIG_SYS_BOOTMAPSZ (8 * 1024 * 1024)
451 * Cache Configuration
453 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
454 #if defined(CONFIG_CMD_KGDB)
455 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of above value */
458 /*------------------------------------------------------------------------
459 * SYPCR - System Protection Control UM 11-9
460 * -----------------------------------------------------------------------
461 * SYPCR can only be written once after reset!
463 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
465 #if defined(CONFIG_WATCHDOG)
466 #define CONFIG_SYS_SYPCR ( SYPCR_SWTC | \
475 #define CONFIG_SYS_SYPCR ( SYPCR_SWTC | \
483 /*-----------------------------------------------------------------------
484 * SIUMCR - SIU Module Configuration UM 11-6
485 *-----------------------------------------------------------------------
486 * Set debug pin mux, enable SPKROUT and GPLB5*.
488 #define CONFIG_SYS_SIUMCR ( SIUMCR_DBGC11 | \
494 /*-----------------------------------------------------------------------
495 * TBSCR - Time Base Status and Control UM 11-26
496 *-----------------------------------------------------------------------
497 * Clear Reference Interrupt Status, Timebase freeze enabled
499 #define CONFIG_SYS_TBSCR ( TBSCR_REFA | \
504 /*-----------------------------------------------------------------------
505 * RTCSC - Real-Time Clock Status and Control Register UM 11-27
506 *-----------------------------------------------------------------------
508 #define CONFIG_SYS_RTCSC ( RTCSC_SEC | \
514 /*-----------------------------------------------------------------------
515 * PISCR - Periodic Interrupt Status and Control UM 11-31
516 *-----------------------------------------------------------------------
517 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
519 #define CONFIG_SYS_PISCR ( PISCR_PS | \
523 /*-----------------------------------------------------------------------
524 * PLPRCR - PLL, Low-Power, and Reset Control Register UM 15-30
525 *-----------------------------------------------------------------------
526 * Reset PLL lock status sticky bit, timer expired status bit and timer
527 * interrupt status bit. Set MF for 1:2:1 mode.
529 #define CONFIG_SYS_PLPRCR ( ((0x1 << PLPRCR_MF_SHIFT) & PLPRCR_MF_MSK) | \
535 /*-----------------------------------------------------------------------
536 * SCCR - System Clock and reset Control Register UM 15-27
537 *-----------------------------------------------------------------------
538 * Set clock output, timebase and RTC source and divider,
539 * power management and some other internal clocks
541 #define SCCR_MASK SCCR_EBDF11
543 #if !defined(CONFIG_SC)
544 #define CONFIG_SYS_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \
545 SCCR_COM00 | /* full strength CLKOUT */ \
546 SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \
547 SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \
552 #define CONFIG_SYS_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \
553 SCCR_COM00 | /* full strength CLKOUT */ \
554 SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \
555 SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \
563 /*-----------------------------------------------------------------------
564 * DER - Debug Enable Register UM 37-46
565 *-----------------------------------------------------------------------
566 * Mask all events that can cause entry into debug mode
568 #define CONFIG_SYS_DER 0
571 * Initialize Memory Controller:
573 * BR0 and OR0 (FLASH memory)
575 #define FLASH_BASE0_PRELIM FLASH_BASE
580 #define CONFIG_SYS_PRELIM_OR_AM 0xfe000000
584 * 33 Mhz bus with ACS = 11, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1
586 #define CONFIG_SYS_OR_TIMING_FLASH ( OR_CSNT_SAM | \
594 #define CONFIG_SYS_OR0_PRELIM ( CONFIG_SYS_PRELIM_OR_AM | \
595 CONFIG_SYS_OR_TIMING_FLASH \
598 #define CONFIG_SYS_BR0_PRELIM ( (FLASH_BASE0_PRELIM & BR_BA_MSK) | \
605 * SDRAM configuration
607 #define CONFIG_SYS_OR1_AM 0xfc000000
608 #define CONFIG_SYS_OR1 ( (CONFIG_SYS_OR1_AM & OR_AM_MSK) | \
612 #define CONFIG_SYS_BR1 ( (SDRAM_BASE & BR_BA_MSK) | \
619 * Refresh rate 7.8 us (= 64 ms / 8K = 31.2 uS quad bursts) for one bank
622 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16
625 * Periodic timer for refresh @ 33 MHz system clock
627 #define CONFIG_SYS_MAMR_PTA 64
630 * MAMR settings for SDRAM
632 #define CONFIG_SYS_MAMR_8COL ( (CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | \
643 * CS2* configuration for Disk On Chip:
644 * 33 MHz bus with TRLX=1, ACS=11, CSNT=1, EBDF=1, SCY=2, EHTR=1,
647 #define CONFIG_SYS_OR2_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
656 #define CONFIG_SYS_BR2_PRELIM ( (DOC_BASE & BR_BA_MSK) | \
663 * CS3* configuration for FPGA:
664 * 33 MHz bus with SCY=15, no burst.
665 * The FPGA uses TA and TEA to terminate bus cycles, but we
666 * clear SETA and set the cycle length to a large number so that
667 * the cycle will still complete even if there is a configuration
668 * error that prevents TA from asserting on FPGA accesss.
670 #define CONFIG_SYS_OR3_PRELIM ( (0xfc000000 & OR_AM_MSK) | \
675 #define CONFIG_SYS_BR3_PRELIM ( (FPGA_BASE & BR_BA_MSK) | \
681 * CS4* configuration for FPGA SelectMap configuration interface.
682 * 33 MHz bus, UPMB, no burst. Do not assert GPLB5 on falling edge
685 #define CONFIG_SYS_OR4_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
690 #define CONFIG_SYS_BR4_PRELIM ( (SELECTMAP_BASE & BR_BA_MSK) | \
697 * CS5* configuration for Mil-Std 1553 databus interface.
698 * 33 MHz bus, GPCM, no burst.
699 * The 1553 interface uses TA and TEA to terminate bus cycles,
700 * but we clear SETA and set the cycle length to a large number so that
701 * the cycle will still complete even if there is a configuration
702 * error that prevents TA from asserting on FPGA accesss.
704 #define CONFIG_SYS_OR5_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
712 #define CONFIG_SYS_BR5_PRELIM ( (M1553_BASE & BR_BA_MSK) | \
719 * FEC interrupt assignment
721 #define FEC_INTERRUPT SIU_LEVEL1
726 #if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
727 #error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
730 #endif /* __CONFIG_GEN860T_H */