u-boot/doc
Kim Phillips 5e918a98c2 Add support for the MPC837xERDB
MPC837xERDB board support includes:
* DDR2 330MHz hardcoded (soldered on the board)
* Local Bus NOR Flash
* I2C, UART and RTC
* eTSEC RGMII (TSEC0 - RTL8211B with MII;
*	       TSEC1 - VSC7385 local bus, hardcoded, requires seperate firmware
*		       load)

Signed-off-by: Kevin Lam <kevin.lam@freescale.com>
Signed-off-by: Joe D'Abbraccio <joe.d'abbraccio@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
2008-01-16 12:32:39 -06:00
..
I2C_Edge_Conditions Cleanup (PPC4xx is AMCC now) 2005-09-23 11:05:55 +02:00
README-i386 * Code cleanup: 2003-06-27 21:31:46 +00:00
README-integrator Update make target for ARM supported boards. 2005-10-06 17:08:18 +02:00
README.440-DDR-performance PPC440 DDR setup: Set SDRAM0_CFG0[PMU]=0 for best performance 2006-07-28 18:34:58 +02:00
README.adnpesc1 Code cleanup; make several boards compile & link. 2004-03-14 22:25:36 +00:00
README.adnpesc1_base32 * Patch by Stephan Linz, 09 Mar 2004 2004-03-14 15:20:55 +00:00
README.alaska8220 Patch by TsiChung Liew, 23 Sep 2004: 2004-10-28 00:09:35 +00:00
README.AMCC-eval-boards-cleanup Major cleanup for AMCC PPC4xx eval boards. 2005-08-01 16:49:12 +02:00
README.amigaone * Patch by Thomas Frieden, 13 Nov 2002: 2002-11-19 11:04:11 +00:00
README.ARM-memory-map Patch by Anders Larsen, 09 Jan 2004: 2004-02-08 19:38:38 +00:00
README.ARM-SoC Patch by Steven Scholz, 16 Aug 2004: 2004-10-09 22:21:29 +00:00
README.atum8548 mpc85xx: Add support for ATUM8548 (updated) 2008-01-09 16:25:03 -06:00
README.autoboot Cleanup 2004-10-11 23:10:30 +00:00
README.AVR32 Add AVR32 architecture support 2006-10-24 14:21:16 +02:00
README.bamboo ppc4xx: Update AMCC Bamboo README doc/README.bamboo 2007-08-06 21:10:17 +02:00
README.bedbug Update README.* to reference new CONFIG_CMD_* names now. 2007-07-09 19:10:03 -05:00
README.cmi * Code cleanup: 2003-06-27 21:31:46 +00:00
README.COBRA5272 Patch by Florian Schlote, 08 Sep 2004: 2005-01-09 18:21:42 +00:00
README.commands Patch by Kenneth Johansson, 30 Jun 2003: 2003-07-01 21:06:45 +00:00
README.commands.itest * Patch by Laurent Mohin, 10 Feb 2004: 2004-02-23 20:48:38 +00:00
README.console Initial revision 2002-11-02 22:58:18 +00:00
README.db64360 * Patch by Ronen Shitrit, 10 Dec 2003: 2004-01-03 00:43:19 +00:00
README.db64460 * Patch by Ronen Shitrit, 10 Dec 2003: 2004-01-03 00:43:19 +00:00
README.dk1c20 Patches by Stephan Linz, 30 Jan 2004: 2004-02-09 23:12:24 +00:00
README.dk1c20_std32 Patches by Stephan Linz, 30 Jan 2004: 2004-02-09 23:12:24 +00:00
README.dk1s10 Change all '$(...)' variable references into '${...}' 2005-11-20 21:40:11 +01:00
README.dk1s10_mldk20 Patches by Stephan Linz, 30 Jan 2004: 2004-02-09 23:12:24 +00:00
README.dk1s10_std32 Patches by Stephan Linz, 30 Jan 2004: 2004-02-09 23:12:24 +00:00
README.dk1s40_std32 Patches by Stephan Linz, 11 Dec 2003: 2004-01-03 19:43:48 +00:00
README.dk20k200_std32 Patches by Stephan Linz, 30 Jan 2004: 2004-02-09 23:12:24 +00:00
README.ebony Cleanup (PPC4xx is AMCC now) 2005-09-23 11:05:55 +02:00
README.EVB-64260-750CX * Code cleanup: 2003-06-27 21:31:46 +00:00
README.evb64260 Initial revision 2002-11-02 23:30:20 +00:00
README.fads * Code cleanup: 2003-06-27 21:31:46 +00:00
README.generic_usb_ohci fix comments with new drivers organization 2008-01-09 21:48:49 +01:00
README.IceCube * Temporarily disabled John Kerl's extended MII command code because 2004-04-18 23:32:11 +00:00
README.idma2intr * Patch by Arun Dharankar, 4 Apr 2003: 2003-04-05 00:53:31 +00:00
README.INCA-IP * Patches by Xianghua Xiao, 15 Oct 2003: 2003-10-15 23:53:47 +00:00
README.IPHASE4539 * Code cleanup: 2003-06-27 21:31:46 +00:00
README.JFFS2 disk/ doc/ lib_*/ and tools/: Remove lingering references to CFG_CMD_* symbols. 2007-07-10 11:19:50 -05:00
README.JFFS2_NAND * Configure PPChameleon board to use redundand environment in flash 2004-04-18 19:43:36 +00:00
README.Lite5200B_low_power [PATCH] icecube/lite5200b: document wakeup from low-power support 2007-04-18 12:11:05 +02:00
README.lynxkdi * Patch by Scott McNutt, 21 Jul 2003: 2003-07-27 00:21:01 +00:00
README.m68k Add MCF5282 support (without preloader) 2006-04-20 08:42:42 +02:00
README.m5253evbe Coding style cleanup 2007-08-18 14:33:02 +02:00
README.m54455evb ColdFire: Fix some remaining problems with CFG_CMD_ 2007-08-18 14:37:52 +02:00
README.marubun-pcmcia Fix coding style issues; update CHANGELOG. 2007-12-27 01:52:50 +01:00
README.MBX Initial revision 2001-12-27 23:05:33 +00:00
README.ml300 Cleanup (PPC4xx is AMCC now) 2005-09-23 11:05:55 +02:00
README.Modem * Code cleanup: 2003-06-27 21:31:46 +00:00
README.modnet50 fix comments with new drivers organization 2008-01-09 21:48:49 +01:00
README.mpc5xx * Code cleanup: 2003-06-27 21:31:46 +00:00
README.mpc74xx Initial revision 2002-11-02 23:30:20 +00:00
README.mpc83xx.ddrecc mpc83xx: Correct the README for DDR ECC 2007-08-10 01:13:11 -05:00
README.mpc83xxads Add support for ep8248 board 2005-08-06 01:42:58 +02:00
README.mpc85xxads * Switched default PCI speed for 8540 ADS back to 33MHz 2006-08-09 13:51:05 -05:00
README.mpc85xxcds * Patch by Jon Loeliger, 2005-05-05 2005-07-25 14:05:07 -05:00
README.mpc832xemds Minor cleanup. 2007-03-08 22:52:51 +01:00
README.mpc837xemds mpc83xx: Add the MPC837xEMDS board readme 2008-01-08 09:55:40 -06:00
README.mpc837xerdb Add support for the MPC837xERDB 2008-01-16 12:32:39 -06:00
README.MPC866 * Patch by Yuli Barcohen, 13 Jul 2004: 2004-09-28 17:59:53 +00:00
README.mpc7448hpc2 Some code cleanup. 2007-03-04 01:36:05 +01:00
README.mpc8313erdb mpc83xx: Add MPC8313ERDB support. 2007-04-23 16:32:10 -05:00
README.mpc8315erdb mpc83xx: Add the support for MPC8315ERDB board 2008-01-16 12:00:49 -06:00
README.mpc8323erdb mpc83xx: add support for the MPC8323E RDB 2007-08-10 01:12:25 -05:00
README.mpc8349itx mpc83xx: Add support for the MPC8349E-mITX-GP 2007-03-02 11:05:54 -06:00
README.mpc8360emds mpc83xx: Revise the MPC8360EMDS readme doc 2007-08-10 01:12:03 -05:00
README.mpc8544ds Coding style cleanup, update CHANGELOG 2007-08-14 09:54:46 +02:00
README.mpc8610hpcd Initial mpc8610hpcd cpu/, README and include/ files. 2007-10-17 15:01:47 -05:00
README.mpc8641hpcn mpc8641 image size cleanup 2007-06-05 13:27:34 -05:00
README.nand fix various comments 2008-01-09 21:50:47 +01:00
README.nand-boot-ppc440 Update NAND boot documentation 2006-09-12 08:49:07 +02:00
README.ne2000 * Patches by Richard Woodruff, 01 Oct 2004: 2005-01-09 23:16:25 +00:00
README.NetConsole Update usage of 'nc' in README.NetConsole 2007-04-04 18:12:28 -04:00
README.nios Patch by Scott McNutt, 25 Apr 2004: 2004-05-19 21:33:14 +00:00
README.nios_CFG_NIOS_CPU Patches by Stephan Linz, 11 Dec 2003: 2004-01-03 19:43:48 +00:00
README.nios_DK Patches by Stephan Linz, 11 Dec 2003: 2004-01-03 19:43:48 +00:00
README.ns9750dev * Patch by Markus Pietrek, 24 Feb 2004: 2004-02-26 23:46:20 +00:00
README.ocotea Cleanup (PPC4xx is AMCC now) 2005-09-23 11:05:55 +02:00
README.ocotea-PIBS-to-U-Boot Cleanup (PPC4xx is AMCC now) 2005-09-23 11:05:55 +02:00
README.OFT Code cleanup, especially MIPS for GCC 4.x 2005-12-04 00:40:34 +01:00
README.omap730p2 * Patch by Rishi Bhattacharya, 08 May 2004: 2004-06-08 00:22:43 +00:00
README.OXC * Code cleanup: 2003-06-27 21:31:46 +00:00
README.PIP405 disk/ doc/ lib_*/ and tools/: Remove lingering references to CFG_CMD_* symbols. 2007-07-10 11:19:50 -05:00
README.PlanetCore Document switching between U-Boot and PlanetCore on RPXlite 2005-08-06 02:11:33 +02:00
README.POST * Add support for SK98xx driver 2003-09-05 23:19:14 +00:00
README.ppc440 ppc4xx: Add pci_pre_init() for 405 boards 2007-06-25 15:57:39 +02:00
README.Purple * Code cleanup: 2003-06-27 21:31:46 +00:00
README.PXA_CF * Patch by George G. Davis, 02 Apr 2004: 2004-04-15 23:23:39 +00:00
README.RPXClassic * Code cleanup: 2003-06-27 21:31:46 +00:00
README.RPXlite * Code cleanup: 2003-06-27 21:31:46 +00:00
README.Sandpoint8240 Change all '$(...)' variable references into '${...}' 2005-11-20 21:40:11 +01:00
README.sbc8349 mpc83xx: U-Boot support for Wind River SBC8349 2007-03-02 11:05:53 -06:00
README.sbc8548 mpc85xx: Add support for SBC8548 (updated) 2008-01-09 16:25:03 -06:00
README.SBC8560 Cleanup 2004-10-11 23:10:30 +00:00
README.sbc8641d Add support for SBC8641D. Config files. 2007-08-10 14:50:05 -05:00
README.sched * Patch by Arun Dharankar, 4 Apr 2003: 2003-04-05 00:53:31 +00:00
README.serial_multi Add support for CONFIG_SERIAL_MULTI on MPC5xxx 2006-06-16 17:04:45 +02:00
README.sh Fix coding style issues; update CHANGELOG. 2007-12-27 01:52:50 +01:00
README.sha1 Update CHANGELOG, minor coding style cleanup. 2007-07-12 01:45:34 +02:00
README.silent * Patch by Wolter Kamphuis, 15 Dec 2003: 2004-02-06 21:48:22 +00:00
README.SNTP Update README.* to reference new CONFIG_CMD_* names now. 2007-07-09 19:10:03 -05:00
README.standalone * Allow crc32 to be used at address 0x000 2003-07-26 08:08:08 +00:00
README.stxxtc Add support for Silicon Turnkey eXpress XTc (mpc87x/88x) board. 2005-08-15 15:55:00 +02:00
README.TQM8260 * Code cleanup: 2003-06-27 21:31:46 +00:00
README.usb disk/ doc/ lib_*/ and tools/: Remove lingering references to CFG_CMD_* symbols. 2007-07-10 11:19:50 -05:00
README.video Initial revision 2002-11-03 00:07:02 +00:00
README.VLAN Patches by Pantelis Antoniou, 30 Mar 2004: 2004-04-15 21:48:45 +00:00
README.xpedite1k Patch by Travis Sawyer, 30 Dec 2003: 2004-02-06 23:19:44 +00:00
README.zeus ppc4xx: Add initial Zeus (PPC405EP) board support 2007-08-14 14:44:41 +02:00
TODO-i386 * Patch by Marc Singer, 29 May 2003: 2003-05-31 18:35:21 +00:00

Storage of the board specific values (ethaddr...)
-------------------------------------------------

The board specific environment variables that should be unique
for each individual board, can be stored in the I2C EEPROM. This
will be done from offset 0x80 with the length of 0x80 bytes. The
following command can be used to store the values here:

=> setdef de:20:6a:ed:e2:72 de:20:6a:ed:e2:73 AB0001

	  ethaddr           eth1addr          serial#

Now those 3 values are stored into the I2C EEPROM. A CRC is added
to make sure that the values get not corrupted.


SW-Reset Pushbutton handling:
-----------------------------

The SW-reset push button is connected to a GPIO input too. This
way U-Boot can "see" how long the SW-reset was pressed, and a
specific action can be taken. Two different actions are supported:

a) Release after more than 5 seconds and less then 10 seconds:
   -> Run POST

   Please note, that the POST test will take a while (approx. 1 min
   on the 128MByte board). This is mainly due to the system memory
   test.

b) Release after more than 10 seconds:
   -> Restore factory default settings

   The factory default values are restored. The default environment
   variables are restored (ipaddr, serverip...) and the board
   specific values (ethaddr, eth1addr and serial#) are restored
   to the environment from the I2C EEPROM. Also a bootline parameter
   is added to the Linux bootline to signal the Linux kernel upon
   the next startup, that the factory defaults should be restored.

The command to check this sw-reset status and act accordingly is

=> chkreset

This command is added to the default "bootcmd", so that it is called
automatically upon startup.

Also, the 2 LED's are used to indicate the current status of this
command (time passed since pushing the button). When the POST test
will be run, the green LED will be switched off, and when the
factory restore will be initiated, the reg LED will be switched off.


Loggin of POST results:
-----------------------

The results of the POST tests are logged in a logbuffer located at the end
of the onboard memory. It can be accessed with the U-Boot command "log":

=> log show
<4>POST memory PASSED
<4>POST cache PASSED
<4>POST cpu PASSED
<4>POST uart PASSED
<4>POST ethernet PASSED

The DENX Linux kernel tree has support for this log buffer included. Exactly
this buffer is used for logging of all kernel messages too. By enabling the
compile time option "CONFIG_LOGBUFFER" this support is enabled. This way you
can access the U-Boot log messages from Linux too.

2007-08-10, Stefan Roese <sr@denx.de>