3 * Murray Jensen <Murray.Jensen@cmst.csiro.au>
6 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
7 * Marius Groeger <mgroeger@sysgo.de>
10 * Advent Networks, Inc. <http://www.adventnetworks.com>
11 * Jay Monkman <jtm@smoothsmoothie.com>
13 * Configuration settings for the WindRiver SBC8260 board.
14 * See http://www.windriver.com/products/html/sbc8260.html
16 * See file CREDITS for list of people who contributed to this
19 * This program is free software; you can redistribute it and/or
20 * modify it under the terms of the GNU General Public License as
21 * published by the Free Software Foundation; either version 2 of
22 * the License, or (at your option) any later version.
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
38 #undef DEBUG_BOOTP_EXT /* Debug received vendor fields */
40 #undef CONFIG_LOGBUFFER /* External logbuffer support */
42 /*****************************************************************************
44 * These settings must match the way _your_ board is set up
46 *****************************************************************************/
48 /* What is the oscillator's (UX2) frequency in Hz? */
49 #define CONFIG_8260_CLKIN 66666600
51 /*-----------------------------------------------------------------------
52 * MODCK_H & MODCLK[1-3] - Ref: Section 9.2 in MPC8206 User Manual
53 *-----------------------------------------------------------------------
54 * What should MODCK_H be? It is dependent on the oscillator
55 * frequency, MODCK[1-3], and desired CPM and core frequencies.
56 * Here are some example values (all frequencies are in MHz):
58 * MODCK_H MODCK[1-3] Osc CPM Core S2-6 S2-7 S2-8
59 * ------- ---------- --- --- ---- ----- ----- -----
60 * 0x1 0x5 33 100 133 Open Close Open
61 * 0x1 0x6 33 100 166 Open Open Close
62 * 0x1 0x7 33 100 200 Open Open Open
64 * 0x2 0x2 33 133 133 Close Open Close
65 * 0x2 0x3 33 133 166 Close Open Open
66 * 0x2 0x4 33 133 200 Open Close Close
67 * 0x2 0x5 33 133 233 Open Close Open
68 * 0x2 0x6 33 133 266 Open Open Close
70 * 0x5 0x5 66 133 133 Open Close Open
71 * 0x5 0x6 66 133 166 Open Open Close
72 * 0x5 0x7 66 133 200 Open Open Open
73 * 0x6 0x0 66 133 233 Close Close Close
74 * 0x6 0x1 66 133 266 Close Close Open
75 * 0x6 0x2 66 133 300 Close Open Close
77 #define CFG_SBC_MODCK_H 0x05
79 /* Define this if you want to boot from 0x00000100. If you don't define
80 * this, you will need to program the bootloader to 0xfff00000, and
81 * get the hardware reset config words at 0xfe000000. The simplest
82 * way to do that is to program the bootloader at both addresses.
83 * It is suggested that you just let U-Boot live at 0x00000000.
85 #define CFG_SBC_BOOT_LOW 1
87 /* What should the base address of the main FLASH be and how big is
88 * it (in MBytes)? This must contain TEXT_BASE from board/sacsng/config.mk
89 * The main FLASH is whichever is connected to *CS0.
91 #define CFG_FLASH0_BASE 0x40000000
92 #define CFG_FLASH0_SIZE 2
94 /* What should the base address of the secondary FLASH be and how big
95 * is it (in Mbytes)? The secondary FLASH is whichever is connected
98 #define CFG_FLASH1_BASE 0x60000000
99 #define CFG_FLASH1_SIZE 2
101 /* Define CONFIG_VERY_BIG_RAM to allow use of SDRAMs larger than 256MBytes
103 #define CONFIG_VERY_BIG_RAM 1
105 /* What should be the base address of SDRAM DIMM and how big is
106 * it (in Mbytes)? This will normally auto-configure via the SPD.
108 #define CFG_SDRAM0_BASE 0x00000000
109 #define CFG_SDRAM0_SIZE 64
112 * Memory map example with 64 MB DIMM:
114 * 0x0000 0000 Exception Vector code, 8k
117 * 0x0000 2000 Free for Application Use
123 * 0x03F5 FF30 Monitor Stack (Growing downward)
124 * Monitor Stack Buffer (0x80)
125 * 0x03F5 FFB0 Board Info Data
126 * 0x03F6 0000 Malloc Arena
127 * : CFG_ENV_SECT_SIZE, 16k
128 * : CFG_MALLOC_LEN, 128k
129 * 0x03FC 0000 RAM Copy of Monitor Code
130 * : CFG_MONITOR_LEN, 256k
131 * 0x03FF FFFF [End of RAM], CFG_SDRAM_SIZE - 1
134 #define CONFIG_POST (CFG_POST_MEMORY | \
139 * select serial console configuration
141 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
142 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
145 * if CONFIG_CONS_NONE is defined, then the serial console routines must
148 #define CONFIG_CONS_ON_SMC 1 /* define if console on SMC */
149 #undef CONFIG_CONS_ON_SCC /* define if console on SCC */
150 #undef CONFIG_CONS_NONE /* define if console on neither */
151 #define CONFIG_CONS_INDEX 1 /* which SMC/SCC channel for console */
154 * select ethernet configuration
156 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
157 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
160 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
161 * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
164 #undef CONFIG_ETHER_ON_SCC
165 #define CONFIG_ETHER_ON_FCC
166 #undef CONFIG_ETHER_NONE /* define if ethernet on neither */
168 #ifdef CONFIG_ETHER_ON_SCC
169 #define CONFIG_ETHER_INDEX 1 /* which SCC/FCC channel for ethernet */
170 #endif /* CONFIG_ETHER_ON_SCC */
172 #ifdef CONFIG_ETHER_ON_FCC
173 #define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */
174 #undef CONFIG_ETHER_LOOPBACK_TEST /* Ethernet external loopback test */
175 #define CONFIG_MII /* MII PHY management */
176 #define CONFIG_BITBANGMII /* bit-bang MII PHY management */
178 * Port pins used for bit-banged MII communictions (if applicable).
181 #define MDIO_PORT 2 /* Port A=0, B=1, C=2, D=3 */
182 #define MDIO_ACTIVE (iop->pdir |= 0x40000000)
183 #define MDIO_TRISTATE (iop->pdir &= ~0x40000000)
184 #define MDIO_READ ((iop->pdat & 0x40000000) != 0)
186 #define MDIO(bit) if(bit) iop->pdat |= 0x40000000; \
187 else iop->pdat &= ~0x40000000
189 #define MDC(bit) if(bit) iop->pdat |= 0x80000000; \
190 else iop->pdat &= ~0x80000000
192 #define MIIDELAY udelay(50)
193 #endif /* CONFIG_ETHER_ON_FCC */
195 #if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1)
201 # define CFG_CMXSCR_VALUE (CMXSCR_RS1CS_CLK11 | CMXSCR_TS1CS_CLK12)
203 #elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
208 * - Select bus for bd/buffers (see 28-13)
209 * - Enable Full Duplex in FSMR
211 # define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
212 # define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
213 # define CFG_CPMFCR_RAMTYPE 0
214 # define CFG_FCC_PSMR (FCC_PSMR_FDE | FCC_PSMR_LPB)
216 #endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
218 #define CONFIG_SHOW_BOOT_PROGRESS 1 /* boot progress enabled */
221 * Configure for RAM tests.
223 #undef CFG_DRAM_TEST /* calls other tests in board.c */
227 * Status LED for power up status feedback.
229 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
231 #define STATUS_LED_PAR im_ioport.iop_ppara
232 #define STATUS_LED_DIR im_ioport.iop_pdira
233 #define STATUS_LED_ODR im_ioport.iop_podra
234 #define STATUS_LED_DAT im_ioport.iop_pdata
236 #define STATUS_LED_BIT 0x00000800 /* LED 0 is on PA.20 */
237 #define STATUS_LED_PERIOD (CFG_HZ)
238 #define STATUS_LED_STATE STATUS_LED_OFF
239 #define STATUS_LED_BIT1 0x00001000 /* LED 1 is on PA.19 */
240 #define STATUS_LED_PERIOD1 (CFG_HZ)
241 #define STATUS_LED_STATE1 STATUS_LED_OFF
242 #define STATUS_LED_BIT2 0x00002000 /* LED 2 is on PA.18 */
243 #define STATUS_LED_PERIOD2 (CFG_HZ/2)
244 #define STATUS_LED_STATE2 STATUS_LED_ON
246 #define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */
248 #define STATUS_LED_YELLOW 0
249 #define STATUS_LED_GREEN 1
250 #define STATUS_LED_RED 2
251 #define STATUS_LED_BOOT 1
255 * Select SPI support configuration
257 #define CONFIG_SOFT_SPI /* Enable SPI driver */
258 #define MAX_SPI_BYTES 4 /* Maximum number of bytes we can handle */
259 #undef DEBUG_SPI /* Disable SPI debugging */
262 * Software (bit-bang) SPI driver configuration
264 #ifdef CONFIG_SOFT_SPI
267 * Software (bit-bang) SPI driver configuration
269 #define I2C_SCLK 0x00002000 /* PD 18: Shift clock */
270 #define I2C_MOSI 0x00004000 /* PD 17: Master Out, Slave In */
271 #define I2C_MISO 0x00008000 /* PD 16: Master In, Slave Out */
273 #undef SPI_INIT /* no port initialization needed */
274 #define SPI_READ ((immr->im_ioport.iop_pdatd & I2C_MISO) != 0)
275 #define SPI_SDA(bit) do { \
276 if(bit) immr->im_ioport.iop_pdatd |= I2C_MOSI; \
277 else immr->im_ioport.iop_pdatd &= ~I2C_MOSI; \
279 #define SPI_SCL(bit) do { \
280 if(bit) immr->im_ioport.iop_pdatd |= I2C_SCLK; \
281 else immr->im_ioport.iop_pdatd &= ~I2C_SCLK; \
283 #define SPI_DELAY /* No delay is needed */
284 #endif /* CONFIG_SOFT_SPI */
288 * select I2C support configuration
290 * Supported configurations are {none, software, hardware} drivers.
291 * If the software driver is chosen, there are some additional
292 * configuration items that the driver uses to drive the port pins.
294 #undef CONFIG_HARD_I2C /* I2C with hardware support */
295 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
296 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
297 #define CFG_I2C_SLAVE 0x7F
300 * Software (bit-bang) I2C driver configuration
302 #ifdef CONFIG_SOFT_I2C
303 #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
304 #define I2C_ACTIVE (iop->pdir |= 0x00010000)
305 #define I2C_TRISTATE (iop->pdir &= ~0x00010000)
306 #define I2C_READ ((iop->pdat & 0x00010000) != 0)
307 #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
308 else iop->pdat &= ~0x00010000
309 #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
310 else iop->pdat &= ~0x00020000
311 #define I2C_DELAY udelay(20) /* 1/4 I2C clock duration */
312 #endif /* CONFIG_SOFT_I2C */
314 /* Define this to reserve an entire FLASH sector for
315 * environment variables. Otherwise, the environment will be
316 * put in the same sector as U-Boot, and changing variables
317 * will erase U-Boot temporarily
319 #define CFG_ENV_IN_OWN_SECT 1
321 /* Define this to contain any number of null terminated strings that
322 * will be part of the default enviroment compiled into the boot image.
324 #define CONFIG_EXTRA_ENV_SETTINGS \
326 "serverip=192.168.123.205\0" \
327 "ipaddr=192.168.123.203\0" \
328 "checkhostname=VR8500\0" \
331 "tftpboot 0x140000 /bdi2000/u-boot.bin; " \
332 "protect off 60000000 6003FFFF; " \
333 "erase 60000000 6003FFFF; " \
334 "cp.b 140000 60000000 ${filesize}; " \
335 "protect on 60000000 6003FFFF\0" \
337 "protect off 60040000 6004FFFF; " \
338 "erase 60040000 6004FFFF; " \
339 "cp.b 40040000 60040000 10000; " \
340 "protect on 60040000 6004FFFF\0" \
342 "protect off 60000000 6003FFFF; " \
343 "erase 60000000 6003FFFF; " \
344 "cp.b 40000000 60000000 40000; " \
345 "protect on 60000000 6003FFFF\0" \
347 "protect off 40040000 4004FFFF; " \
348 "erase 40040000 4004FFFF; " \
349 "protect on 40040000 4004FFFF\0" \
351 "protect off 60040000 6004FFFF; " \
352 "erase 60040000 6004FFFF; " \
353 "protect on 60040000 6004FFFF\0" \
359 "setenv bootargs root=/dev/ram0 rw quiet " \
360 "ip=\\${ipaddr}:\\${serverip}:\\${gatewayip}:\\${netmask}:\\${hostname}::off\\;" \
363 "root-on-initrd-debug="\
368 "setenv bootargs root=/dev/ram0 rw debug " \
369 "ip=\\${ipaddr}:\\${serverip}:\\${gatewayip}:\\${netmask}:\\${hostname}::off\\;" \
370 "run debug-hook\\;" \
378 "setenv bootargs root=/dev/nfs rw quiet " \
379 "nfsroot=\\${serverip}:\\${rootpath} " \
380 "ip=\\${ipaddr}:\\${serverip}:\\${gatewayip}:\\${netmask}:\\${hostname}::off\\;" \
383 "root-on-nfs-debug="\
388 "setenv bootargs root=/dev/nfs rw debug " \
389 "nfsroot=\\${serverip}:\\${rootpath} " \
390 "ip=\\${ipaddr}:\\${serverip}:\\${gatewayip}:\\${netmask}:\\${hostname}::off\\;" \
391 "run debug-hook\\;" \
395 "setenv checkhostname;" \
396 "setenv ethaddr 00:09:70:00:00:01;" \
398 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} debug " \
399 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;" \
404 "echo ipaddr ${ipaddr};" \
405 "echo serverip ${serverip};" \
406 "echo gatewayip ${gatewayip};" \
407 "echo netmask ${netmask};" \
408 "echo hostname ${hostname}\0" \
409 "ana=run adc ; run dac\0" \
410 "adc=run adc-12 ; run adc-34\0" \
411 "adc-12=echo ### ADC-12 ; imd.b e 81 e\0" \
412 "adc-34=echo ### ADC-34 ; imd.b f 81 e\0" \
413 "dac=echo ### DAC ; imd.b 11 81 5\0" \
416 /* What should the console's baud rate be? */
417 #define CONFIG_BAUDRATE 9600
419 /* Ethernet MAC address */
420 #define CONFIG_ETHADDR 00:09:70:00:00:00
422 /* The default Ethernet MAC address can be overwritten just once */
423 #ifdef CONFIG_ETHADDR
424 #define CONFIG_OVERWRITE_ETHADDR_ONCE 1
428 * Define this to do some miscellaneous board-specific initialization.
430 #define CONFIG_MISC_INIT_R
432 /* Set to a positive value to delay for running BOOTCOMMAND */
433 #define CONFIG_BOOTDELAY 1 /* autoboot after 1 second */
435 /* Be selective on what keys can delay or stop the autoboot process
438 #define CONFIG_AUTOBOOT_KEYED
439 #define CONFIG_AUTOBOOT_PROMPT "Autobooting...\n"
440 #define CONFIG_AUTOBOOT_STOP_STR " "
441 #undef CONFIG_AUTOBOOT_DELAY_STR
442 #define CONFIG_ZERO_BOOTDELAY_CHECK
443 #define DEBUG_BOOTKEYS 0
445 /* Define a command string that is automatically executed when no character
446 * is read on the console interface withing "Boot Delay" after reset.
448 #undef CONFIG_BOOT_ROOT_INITRD /* Use ram disk for the root file system */
449 #define CONFIG_BOOT_ROOT_NFS /* Use a NFS mounted root file system */
451 #ifdef CONFIG_BOOT_ROOT_INITRD
452 #define CONFIG_BOOTCOMMAND \
456 "setenv bootargs root=/dev/ram0 rw quiet " \
457 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;" \
460 #endif /* CONFIG_BOOT_ROOT_INITRD */
462 #ifdef CONFIG_BOOT_ROOT_NFS
463 #define CONFIG_BOOTCOMMAND \
467 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} quiet " \
468 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;" \
471 #endif /* CONFIG_BOOT_ROOT_NFS */
473 #define CONFIG_BOOTP_RANDOM_DELAY /* Randomize the BOOTP retry delay */
478 #define CONFIG_BOOTP_SUBNETMASK
479 #define CONFIG_BOOTP_GATEWAY
480 #define CONFIG_BOOTP_HOSTNAME
481 #define CONFIG_BOOTP_BOOTPATH
482 #define CONFIG_BOOTP_BOOTFILESIZE
483 #define CONFIG_BOOTP_DNS
484 #define CONFIG_BOOTP_DNS2
485 #define CONFIG_BOOTP_SEND_HOSTNAME
488 /* undef this to save memory */
491 /* Monitor Command Prompt */
492 #define CFG_PROMPT "=> "
494 #undef CFG_HUSH_PARSER
495 #ifdef CFG_HUSH_PARSER
496 #define CFG_PROMPT_HUSH_PS2 "> "
499 /* When CONFIG_TIMESTAMP is selected, the timestamp (date and time)
500 * of an image is printed by image commands like bootm or iminfo.
502 #define CONFIG_TIMESTAMP
504 /* If this variable is defined, an environment variable named "ver"
505 * is created by U-Boot showing the U-Boot version.
507 #define CONFIG_VERSION_VARIABLE
511 * Command line configuration.
513 #include <config_cmd_default.h>
515 #define CONFIG_CMD_ELF
516 #define CONFIG_CMD_ASKENV
517 #define CONFIG_CMD_I2C
518 #define CONFIG_CMD_SPI
519 #define CONFIG_CMD_SDRAM
520 #define CONFIG_CMD_REGINFO
521 #define CONFIG_CMD_IMMAP
522 #define CONFIG_CMD_IRQ
523 #define CONFIG_CMD_PING
525 #undef CONFIG_CMD_KGDB
527 #ifdef CONFIG_ETHER_ON_FCC
528 #define CONFIG_CMD_MII
532 /* Where do the internal registers live? */
533 #define CFG_IMMR 0xF0000000
535 #undef CONFIG_WATCHDOG /* disable the watchdog */
537 /*****************************************************************************
539 * You should not have to modify any of the following settings
541 *****************************************************************************/
543 #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */
544 #define CONFIG_SBC8260 1 /* on an EST SBC8260 Board */
545 #define CONFIG_SACSng 1 /* munged for the SACSng */
546 #define CONFIG_CPM2 1 /* Has a CPM2 */
549 * Miscellaneous configurable options
551 #define CFG_BOOTM_HEADER_QUIET 1 /* Suppress the image header dump */
552 /* in the bootm command. */
553 #define CFG_BOOTM_PROGESS_QUIET 1 /* Suppress the progress displays, */
554 /* "## <message>" from the bootm cmd */
555 #define CFG_BOOTP_CHECK_HOSTNAME 1 /* If checkhostname environment is */
556 /* defined, then the hostname param */
557 /* validated against checkhostname. */
558 #define CFG_BOOTP_RETRY_COUNT 0x40000000 /* # of timeouts before giving up */
559 #define CFG_BOOTP_SHORT_RANDOM_DELAY 1 /* Use a short random delay value */
560 /* (limited to maximum of 1024 msec) */
561 #define CFG_CHK_FOR_ABORT_AT_LEAST_ONCE 1
562 /* Check for abort key presses */
563 /* at least once in dependent of the */
564 /* CONFIG_BOOTDELAY value. */
565 #define CFG_CONSOLE_INFO_QUIET 1 /* Don't print console @ startup */
566 #define CFG_FAULT_ECHO_LINK_DOWN 1 /* Echo the inverted Ethernet link */
567 /* state to the fault LED. */
568 #define CFG_FAULT_MII_ADDR 0x02 /* MII addr of the PHY to check for */
569 /* the Ethernet link state. */
570 #define CFG_STATUS_FLASH_UNTIL_TFTP_OK 1 /* Keeping the status LED flashing */
571 /* until the TFTP is successful. */
572 #define CFG_STATUS_OFF_AFTER_NETBOOT 1 /* After a successful netboot, */
573 /* turn off the STATUS LEDs. */
574 #define CFG_TFTP_BLINK_STATUS_ON_DATA_IN 1 /* Blink status LED based on */
576 #define CFG_TFTP_BLOCKS_PER_HASH 100 /* For every XX blocks, output a '#' */
577 /* to signify that tftp is moving. */
578 #define CFG_TFTP_HASHES_PER_FLASH 200 /* For every '#' hashes, */
579 /* flash the status LED. */
580 #define CFG_TFTP_HASHES_PER_LINE 65 /* Only output XX '#'s per line */
581 /* during the tftp file transfer. */
582 #define CFG_TFTP_PROGESS_QUIET 1 /* Suppress the progress displays */
583 /* '#'s from the tftp command. */
584 #define CFG_TFTP_STATUS_QUIET 1 /* Suppress the status displays */
585 /* issued during the tftp command. */
586 #define CFG_TFTP_TIMEOUT_COUNT 5 /* How many timeouts TFTP will allow */
587 /* before it gives up. */
589 #if defined(CONFIG_CMD_KGDB)
590 # define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
592 # define CFG_CBSIZE 256 /* Console I/O Buffer Size */
595 /* Print Buffer Size */
596 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT)+16)
598 #define CFG_MAXARGS 32 /* max number of command args */
600 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
602 #define CFG_LOAD_ADDR 0x400000 /* default load address */
603 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
605 #define CFG_ALT_MEMTEST /* Select full-featured memory test */
606 #define CFG_MEMTEST_START 0x2000 /* memtest works from the end of */
607 /* the exception vector table */
608 /* to the end of the DRAM */
609 /* less monitor and malloc area */
610 #define CFG_STACK_USAGE 0x10000 /* Reserve 64k for the stack usage */
611 #define CFG_MEM_END_USAGE ( CFG_MONITOR_LEN \
613 + CFG_ENV_SECT_SIZE \
616 #define CFG_MEMTEST_END ( CFG_SDRAM_SIZE * 1024 * 1024 \
617 - CFG_MEM_END_USAGE )
619 /* valid baudrates */
620 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
623 * Low Level Configuration Settings
624 * (address mappings, register initial values, etc.)
625 * You should know what you are doing if you make changes here.
628 #define CFG_FLASH_BASE CFG_FLASH0_BASE
629 #define CFG_FLASH_SIZE CFG_FLASH0_SIZE
630 #define CFG_SDRAM_BASE CFG_SDRAM0_BASE
631 #define CFG_SDRAM_SIZE CFG_SDRAM0_SIZE
633 /*-----------------------------------------------------------------------
634 * Hard Reset Configuration Words
636 #if defined(CFG_SBC_BOOT_LOW)
637 # define CFG_SBC_HRCW_BOOT_FLAGS (HRCW_CIP | HRCW_BMS)
639 # define CFG_SBC_HRCW_BOOT_FLAGS (0)
640 #endif /* defined(CFG_SBC_BOOT_LOW) */
642 /* get the HRCW ISB field from CFG_IMMR */
643 #define CFG_SBC_HRCW_IMMR ( ((CFG_IMMR & 0x10000000) >> 10) | \
644 ((CFG_IMMR & 0x01000000) >> 7) | \
645 ((CFG_IMMR & 0x00100000) >> 4) )
647 #define CFG_HRCW_MASTER ( HRCW_BPS10 | \
649 CFG_SBC_HRCW_IMMR | \
654 (CFG_SBC_MODCK_H & HRCW_MODCK_H1111) | \
655 CFG_SBC_HRCW_BOOT_FLAGS )
658 #define CFG_HRCW_SLAVE1 0
659 #define CFG_HRCW_SLAVE2 0
660 #define CFG_HRCW_SLAVE3 0
661 #define CFG_HRCW_SLAVE4 0
662 #define CFG_HRCW_SLAVE5 0
663 #define CFG_HRCW_SLAVE6 0
664 #define CFG_HRCW_SLAVE7 0
666 /*-----------------------------------------------------------------------
667 * Definitions for initial stack pointer and data area (in DPRAM)
669 #define CFG_INIT_RAM_ADDR CFG_IMMR
670 #define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
671 #define CFG_GBL_DATA_SIZE 128 /* bytes reserved for initial data */
672 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
673 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
675 /*-----------------------------------------------------------------------
676 * Start addresses for the final memory configuration
677 * (Set up by the startup code)
678 * Please note that CFG_SDRAM_BASE _must_ start at 0
679 * Note also that the logic that sets CFG_RAMBOOT is platform dependent.
681 #define CFG_MONITOR_BASE CFG_FLASH0_BASE
683 #if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
687 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
688 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
691 * For booting Linux, the board info and command line data
692 * have to be in the first 8 MB of memory, since this is
693 * the maximum mapped by the Linux kernel during initialization.
695 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
697 /*-----------------------------------------------------------------------
698 * FLASH and environment organization
701 #define CFG_FLASH_CFI 1 /* Flash is CFI conformant */
702 #undef CFG_FLASH_PROTECTION /* use hardware protection */
703 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
704 #define CFG_MAX_FLASH_SECT (64+4) /* max number of sectors on one chip */
706 #define CFG_FLASH_ERASE_TOUT 8000 /* Timeout for Flash Erase (in ms) */
707 #define CFG_FLASH_WRITE_TOUT 1 /* Timeout for Flash Write (in ms) */
710 # define CFG_ENV_IS_IN_FLASH 1
712 # ifdef CFG_ENV_IN_OWN_SECT
713 # define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
714 # define CFG_ENV_SECT_SIZE 0x10000
716 # define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_MONITOR_LEN - CFG_ENV_SECT_SIZE)
717 # define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
718 # define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sect real size */
719 # endif /* CFG_ENV_IN_OWN_SECT */
722 # define CFG_ENV_IS_IN_NVRAM 1
723 # define CFG_ENV_ADDR (CFG_MONITOR_BASE - 0x1000)
724 # define CFG_ENV_SIZE 0x200
725 #endif /* CFG_RAMBOOT */
727 /*-----------------------------------------------------------------------
728 * Cache Configuration
730 #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
732 #if defined(CONFIG_CMD_KGDB)
733 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
736 /*-----------------------------------------------------------------------
737 * HIDx - Hardware Implementation-dependent Registers 2-11
738 *-----------------------------------------------------------------------
739 * HID0 also contains cache control - initially enable both caches and
740 * invalidate contents, then the final state leaves only the instruction
741 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
742 * but Soft reset does not.
744 * HID1 has only read-only information - nothing to set.
746 #define CFG_HID0_INIT (HID0_ICE |\
753 #define CFG_HID0_FINAL (HID0_ICE |\
759 /*-----------------------------------------------------------------------
760 * RMR - Reset Mode Register
761 *-----------------------------------------------------------------------
765 /*-----------------------------------------------------------------------
766 * BCR - Bus Configuration 4-25
767 *-----------------------------------------------------------------------
769 #define CFG_BCR (BCR_ETM)
771 /*-----------------------------------------------------------------------
772 * SIUMCR - SIU Module Configuration 4-31
773 *-----------------------------------------------------------------------
776 #define CFG_SIUMCR (SIUMCR_DPPC11 |\
782 /*-----------------------------------------------------------------------
783 * SYPCR - System Protection Control 11-9
784 * SYPCR can only be written once after reset!
785 *-----------------------------------------------------------------------
786 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
788 #if defined(CONFIG_WATCHDOG)
789 #define CFG_SYPCR (SYPCR_SWTC |\
797 #define CFG_SYPCR (SYPCR_SWTC |\
803 #endif /* CONFIG_WATCHDOG */
805 /*-----------------------------------------------------------------------
806 * TMCNTSC - Time Counter Status and Control 4-40
807 *-----------------------------------------------------------------------
808 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
809 * and enable Time Counter
811 #define CFG_TMCNTSC (TMCNTSC_SEC |\
816 /*-----------------------------------------------------------------------
817 * PISCR - Periodic Interrupt Status and Control 4-42
818 *-----------------------------------------------------------------------
819 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
822 #define CFG_PISCR (PISCR_PS |\
826 /*-----------------------------------------------------------------------
827 * SCCR - System Clock Control 9-8
828 *-----------------------------------------------------------------------
832 /*-----------------------------------------------------------------------
833 * RCCR - RISC Controller Configuration 13-7
834 *-----------------------------------------------------------------------
839 * Initialize Memory Controller:
841 * Bank Bus Machine PortSz Device
842 * ---- --- ------- ------ ------
843 * 0 60x GPCM 16 bit FLASH (primary flash - 2MB)
844 * 1 60x GPCM -- bit (Unused)
845 * 2 60x SDRAM 64 bit SDRAM (DIMM)
846 * 3 60x SDRAM 64 bit SDRAM (DIMM)
847 * 4 60x GPCM -- bit (Unused)
848 * 5 60x GPCM -- bit (Unused)
849 * 6 60x GPCM 16 bit FLASH (secondary flash - 2MB)
852 /*-----------------------------------------------------------------------
853 * BR0,BR1 - Base Register
854 * Ref: Section 10.3.1 on page 10-14
855 * OR0,OR1 - Option Register
856 * Ref: Section 10.3.2 on page 10-18
857 *-----------------------------------------------------------------------
860 /* Bank 0 - Primary FLASH
863 /* BR0 is configured as follows:
865 * - Base address of 0x40000000
867 * - Data errors checking is disabled
868 * - Read and write access
870 * - Access are handled by the memory controller according to MSEL
871 * - Not used for atomic operations
872 * - No data pipelining is done
875 #define CFG_BR0_PRELIM ((CFG_FLASH0_BASE & BRx_BA_MSK) |\
880 /* OR0 is configured as follows:
883 * - *BCTL0 is asserted upon access to the current memory bank
884 * - *CW / *WE are negated a quarter of a clock earlier
885 * - *CS is output at the same time as the address lines
886 * - Uses a clock cycle length of 5
887 * - *PSDVAL is generated internally by the memory controller
888 * unless *GTA is asserted earlier externally.
889 * - Relaxed timing is generated by the GPCM for accesses
890 * initiated to this memory region.
891 * - One idle clock is inserted between a read access from the
892 * current bank and the next access.
894 #define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH0_SIZE) |\
901 /*-----------------------------------------------------------------------
902 * BR2,BR3 - Base Register
903 * Ref: Section 10.3.1 on page 10-14
904 * OR2,OR3 - Option Register
905 * Ref: Section 10.3.2 on page 10-16
906 *-----------------------------------------------------------------------
909 /* Bank 2,3 - SDRAM DIMM
912 /* The BR2 is configured as follows:
914 * - Base address of 0x00000000
915 * - 64 bit port size (60x bus only)
916 * - Data errors checking is disabled
917 * - Read and write access
919 * - Access are handled by the memory controller according to MSEL
920 * - Not used for atomic operations
921 * - No data pipelining is done
924 #define CFG_BR2_PRELIM ((CFG_SDRAM0_BASE & BRx_BA_MSK) |\
929 #define CFG_BR3_PRELIM ((CFG_SDRAM0_BASE & BRx_BA_MSK) |\
934 /* With a 64 MB DIMM, the OR2 is configured as follows:
937 * - 4 internal banks per device
938 * - Row start address bit is A8 with PSDMR[PBI] = 0
939 * - 12 row address lines
940 * - Back-to-back page mode
941 * - Internal bank interleaving within save device enabled
943 #if (CFG_SDRAM0_SIZE == 64)
944 #define CFG_OR2_PRELIM (MEG_TO_AM(CFG_SDRAM0_SIZE) |\
946 ORxS_ROWST_PBI0_A8 |\
949 #error "INVALID SDRAM CONFIGURATION"
952 /*-----------------------------------------------------------------------
953 * PSDMR - 60x Bus SDRAM Mode Register
954 * Ref: Section 10.3.3 on page 10-21
955 *-----------------------------------------------------------------------
958 /* Address that the DIMM SPD memory lives at.
960 #define SDRAM_SPD_ADDR 0x50
962 #if (CFG_SDRAM0_SIZE == 64)
963 /* With a 64 MB DIMM, the PSDMR is configured as follows:
965 * - Bank Based Interleaving,
967 * - Address Multiplexing where A5 is output on A14 pin
968 * (A6 on A15, and so on),
969 * - use address pins A14-A16 as bank select,
970 * - A9 is output on SDA10 during an ACTIVATE command,
971 * - earliest timing for ACTIVATE command after REFRESH command is 7 clocks,
972 * - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command
974 * - earliest timing for READ/WRITE command after ACTIVATE command is
976 * - earliest timing for PRECHARGE after last data was read is 1 clock,
977 * - earliest timing for PRECHARGE after last data was written is 1 clock,
978 * - CAS Latency is 2.
980 #define CFG_PSDMR (PSDMR_RFEN |\
981 PSDMR_SDAM_A14_IS_A5 |\
982 PSDMR_BSMA_A14_A16 |\
983 PSDMR_SDA10_PBI0_A9 |\
991 #error "INVALID SDRAM CONFIGURATION"
995 * Shoot for approximately 1MHz on the prescaler.
997 #if (CONFIG_8260_CLKIN >= (60 * 1000 * 1000))
998 #define CFG_MPTPR MPTPR_PTP_DIV64
999 #elif (CONFIG_8260_CLKIN >= (30 * 1000 * 1000))
1000 #define CFG_MPTPR MPTPR_PTP_DIV32
1002 #warning "Unconfigured bus clock freq: check CFG_MPTPR and CFG_PSRT are OK"
1003 #define CFG_MPTPR MPTPR_PTP_DIV32
1008 /*-----------------------------------------------------------------------
1009 * BR6 - Base Register
1010 * Ref: Section 10.3.1 on page 10-14
1011 * OR6 - Option Register
1012 * Ref: Section 10.3.2 on page 10-18
1013 *-----------------------------------------------------------------------
1016 /* Bank 6 - Secondary FLASH
1018 * The secondary FLASH is connected to *CS6
1020 #if (defined(CFG_FLASH1_BASE) && defined(CFG_FLASH1_SIZE))
1022 /* BR6 is configured as follows:
1024 * - Base address of 0x60000000
1025 * - 16 bit port size
1026 * - Data errors checking is disabled
1027 * - Read and write access
1029 * - Access are handled by the memory controller according to MSEL
1030 * - Not used for atomic operations
1031 * - No data pipelining is done
1034 # define CFG_BR6_PRELIM ((CFG_FLASH1_BASE & BRx_BA_MSK) |\
1039 /* OR6 is configured as follows:
1042 * - *BCTL0 is asserted upon access to the current memory bank
1043 * - *CW / *WE are negated a quarter of a clock earlier
1044 * - *CS is output at the same time as the address lines
1045 * - Uses a clock cycle length of 5
1046 * - *PSDVAL is generated internally by the memory controller
1047 * unless *GTA is asserted earlier externally.
1048 * - Relaxed timing is generated by the GPCM for accesses
1049 * initiated to this memory region.
1050 * - One idle clock is inserted between a read access from the
1051 * current bank and the next access.
1053 # define CFG_OR6_PRELIM (MEG_TO_AM(CFG_FLASH1_SIZE) |\
1059 #endif /* (defined(CFG_FLASH1_BASE) && defined(CFG_FLASH1_SIZE)) */
1062 * Internal Definitions
1066 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
1067 #define BOOTFLAG_WARM 0x02 /* Software reboot */
1069 #endif /* __CONFIG_H */