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author | Wolfgang Denk <wd@denx.de> | 2012-04-29 23:57:39 +0000 |
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committer | Wolfgang Denk <wd@denx.de> | 2012-07-29 15:42:02 +0200 |
commit | 702e6014f15b307f144fa03ecaf83a8446c6802a (patch) | |
tree | 8c9360248c257f52c1487d9e6cbba3f2dc38e294 /doc/README.mpc8544ds | |
parent | 631fea8f2d70aa5eb7c49b33039971dfc61bba88 (diff) | |
download | u-boot-imx-702e6014f15b307f144fa03ecaf83a8446c6802a.zip u-boot-imx-702e6014f15b307f144fa03ecaf83a8446c6802a.tar.gz u-boot-imx-702e6014f15b307f144fa03ecaf83a8446c6802a.tar.bz2 |
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 <wd@denx.de>
Cc: Prafulla Wadaskar <prafulla@marvell.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Kim Phillips <kim.phillips@freescale.com>
Cc: Andy Fleming <afleming@gmail.com>
Cc: Jason Jin <jason.jin@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Acked-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
Diffstat (limited to 'doc/README.mpc8544ds')
-rw-r--r-- | doc/README.mpc8544ds | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/doc/README.mpc8544ds b/doc/README.mpc8544ds deleted file mode 100644 index b49c3c0..0000000 --- a/doc/README.mpc8544ds +++ /dev/null @@ -1,122 +0,0 @@ -Overview --------- -The MPC8544DS system is similar to the 85xx CDS systems such -as the MPC8548CDS due to the similar E500 core. However, it -is placed on the same board as the 8641 HPCN system. - - -Flash Banks ------------ -Like the 85xx CDS systems, the 8544 DS board has two flash banks. -They are both present on boot, but there locations can be swapped -using the dip-switch SW10, bit 2. - -However, unlike the CDS systems, but similar to the 8641 HPCN -board, a runtime reset through the FPGA can also affect a swap -on the flash bank mappings for the next reset cycle. - -Irrespective of the switch SW10[2], booting is always from the -boot bank at 0xfff8_0000. - - -Memory Map ----------- - -0xff80_0000 - 0xffbf_ffff Alternate bank 4MB -0xffc0_0000 - 0xffff_ffff Boot bank 4MB - -0xffb8_0000 Alternate image start 512KB -0xfff8_0000 Boot image start 512KB - - -Flashing Images ---------------- - -For example, to place a new image in the alternate flash bank -and then reset with that new image temporarily, use this: - - tftp 1000000 u-boot.bin.8544ds - erase ffb80000 ffbfffff - cp.b 1000000 ffb80000 80000 - pixis_reset altbank - - -To overwrite the image in the boot flash bank: - - tftp 1000000 u-boot.bin.8544ds - protect off all - erase fff80000 ffffffff - cp.b 1000000 fff80000 80000 - -Other example U-Boot image and flash manipulations examples -can be found in the README.mpc85xxcds file as well. - - -The pixis_reset command ------------------------ -A new command, "pixis_reset", is introduced to reset mpc8641hpcn board -using the FPGA sequencer. When the board restarts, it has the option -of using either the current or alternate flash bank as the boot -image, with or without the watchdog timer enabled, and finally with -or without frequency changes. - -Usage is; - - pixis_reset - pixis_reset altbank - pixis_reset altbank wd - pixis_reset altbank cf <SYSCLK freq> <COREPLL ratio> <MPXPLL ratio> - pixis_reset cf <SYSCLK freq> <COREPLL ratio> <MPXPLL ratio> - -Examples; - - /* reset to current bank, like "reset" command */ - pixis_reset - - /* reset board but use the to alternate flash bank */ - pixis_reset altbank - - /* reset board, use alternate flash bank with watchdog timer enabled*/ - pixis_reset altbank wd - - /* reset board to alternate bank with frequency changed. - * 40 is SYSCLK, 2.5 is COREPLL ratio, 10 is MPXPLL ratio - */ - pixis-reset altbank cf 40 2.5 10 - -Valid clock choices are in the 8641 Reference Manuals. - - -Using the Device Tree Source File ---------------------------------- -To create the DTB (Device Tree Binary) image file, -use a command similar to this: - - dtc -b 0 -f -I dts -O dtb mpc8544ds.dts > mpc8544ds.dtb - -Likely, that .dts file will come from here; - - linux-2.6/arch/powerpc/boot/dts/mpc8544ds.dts - -After placing the DTB file in your TFTP disk area, -you can download that dtb file using a command like: - - tftp 900000 mpc8544ds.dtb - -Burn it to flash if you want. - - -Booting Linux -------------- - -Place a linux uImage in the TFTP disk area too. - - tftp 1000000 uImage.8544 - tftp 900000 mpc8544ds.dtb - bootm 1000000 - 900000 - -Watch your ethact, netdev and bootargs U-Boot environment variables. -You may want to do something like this too: - - setenv ethact eTSEC3 - setenv netdev eth1 |