From 702e6014f15b307f144fa03ecaf83a8446c6802a Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Sun, 29 Apr 2012 23:57:39 +0000 Subject: doc: cleanup - move board READMEs into respective board directories Also drop a few files referring to no longer / not yet supported boards. Signed-off-by: Wolfgang Denk Cc: Prafulla Wadaskar Cc: Stefan Roese Cc: Kim Phillips Cc: Andy Fleming Cc: Jason Jin Cc: Stefano Babic Cc: Daniel Schwierzeck Acked-by: Stefano Babic Acked-by: Daniel Schwierzeck --- board/ti/omap730p2/README.omap730p2 | 91 +++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 board/ti/omap730p2/README.omap730p2 (limited to 'board/ti/omap730p2/README.omap730p2') diff --git a/board/ti/omap730p2/README.omap730p2 b/board/ti/omap730p2/README.omap730p2 new file mode 100644 index 0000000..7c70916 --- /dev/null +++ b/board/ti/omap730p2/README.omap730p2 @@ -0,0 +1,91 @@ + + 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. -- cgit v1.1