* Patch by Dave Peverley, 30 Apr 2004:

  Add support for OMAP730 Perseus2 Development board

* Patch by Alan J. Luse, 29 Apr 2004:
  Fix flash chip-select (OR0) option register setting on FADS boards.

* Patch by Alan J. Luse, 29 Apr 2004:
  Report MII network speed and duplex setting properly when
  auto-negotiate is not enabled.

* Patch by Jarrett Redd, 29 Apr 2004:
  Fix hang on reset on Ocotea board due to flash in wrong mode.

1 files changed, 95 insertions, 0 deletions

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+
+                     u-boot for the TI OMAP730 Perseus2
+
+                      Dave Peverley, MPC-Data Limited 
+                         http://www.mpc-data.co.uk
+
+
+Overview :
+
+ As the OMAP730 is similar to the OMAP1610 in many ways, this port was based 
+on the u-boot port to the OMAP1610 Innovator. Supported features are :
+
+  - Serial terminal support
+  - Onboard NOR Flash
+  - Ethernet via the seperate debug board
+  - Tested on Rev4 and Rev5 boards
+
+ It has also been tested to work correctly when built with a 'standard' GCC
+3.2.1 cross-compiler as well as Montavista Linux CEE 3.1's toolchain.
+
+
+
+Hardware Configuration :
+
+ The main dips on the P2 board should be set to 2,3,7 and 9 on with all 
+others off. On the debug board, dips 1 and 7 should be on with the rest off.
+The serial console has been set up to run from the DB9 connector on the 
+P2 board at 115200 baud, 8 data bits, no stop bits, 1 parity bit. 
+
+ It should be noted that the P2 board has NOR flash that is addressable via
+either CS0 or CS3. This mode can be changed via DIP9 on the P2 board. 
+
+
+
+Installing u-boot for the P2 :
+
+ You can simply build u-boot for the Perseus by following the instructions
+in the main readme file. The target configuration is "omap730p2_config".
+Once u-boot has been built, you should strip the executable so it can be
+loaded via CCS (which cant cope with the symbols in the ELF binary) :
+  $ cp u-boot u-boot.out
+  $ arm-linux-strip u-boot.out
+
+ The method we've used for installing u-boot the first time on a P2 is 
+as follows :
+
+1) Configure TI Code Composer Studio to connect to the P2 board via JTAG 
+   as described in the Users Guide.
+
+2) Set up the P2 to boot from CS3, and connect with CCS. Reset the CPU 
+   and run the "init_mmu" GEL script. 
+
+3) Use the "Load Program" option to send the u-boot.out file to the P2 and
+   run. 
+
+ At this point, u-boot should run and you will see the boot menu on your
+serial terminal. You can then load the u-boot image to memory :
+
+  # loadb 0x10000000
+
+ Send the "u-boot.bin" binary via the serial using Kermit. Once loaded 
+you can self-flash u-boot :
+
+  # protect off 1:0
+  # erase 1:0
+  # cp.b 0x10000000 0x0 0x20000
+ 
+ You should now be able to reset the board and run u-boot from flash.
+
+
+
+Alternative flash option :
+
+ Sometimes, if you've been silly, you can get the board into a state where
+whats in flash has upset the board so much that you can no longer connect
+to the P2 via JTAG. However, you can set DIP9 to off to swap the boot mode 
+of the P2 so that you boot from RAM instead of NOR flash. This moves NOR
+flash up to 0x0C000000. You can build a special version of u-boot to 
+utilise this by the following config :
+
+  $ make omap730p2_cs0boot_config
+
+ If you load this up via CCS it will detect flash at its alternate location
+and allow you to programme your u-boot image (which, remember must be built
+for CS3 boot!) Once you do this, you can revert to CS3 boot and it will work
+fine again.
+
+
+
+Errata :
+
+1) It's been observed that sometimes the tftp transfer of kernels to the
+   board can have checksum errors or stall. This appears to be an issue 
+   with the lan91c96.c driver, and can normally be worked around by 
+   resetting the board and trying again.