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diff --git a/qemu/roms/u-boot/doc/README.pblimage b/qemu/roms/u-boot/doc/README.pblimage deleted file mode 100644 index 7fdd26b71..000000000 --- a/qemu/roms/u-boot/doc/README.pblimage +++ /dev/null @@ -1,111 +0,0 @@ ------------------------------------------------------------------- -Freescale PBL(pre-boot loader) Boot Image generation using mkimage ------------------------------------------------------------------- - -The CoreNet SoC's can boot directly from eSPI FLASH, SD/MMC and -NAND, etc. These SoCs use PBL to load RCW and/or pre-initialization -instructions. For more details refer section 5 Pre-boot loader -specifications of reference manual P3041RM/P4080RM/P5020RM at link: -http://www.freescale.com/webapp/search/Serp.jsp?Reference+Manuals - -Building PBL Boot Image and boot steps --------------------------------------- - -1. Building PBL Boot Image. - The default Image is u-boot.pbl. - - For eSPI boot(available on P2041/P3041/P4080/P5020/P5040/T4240): - To build the eSPI boot image: - make <board_name>_SPIFLASH - - For SD boot(available on P2041/P3041/P4080/P5020/P5040/T4240): - To build the SD boot image: - make <board_name>_SDCARD - - For Nand boot(available on P2041/P3041/P5020/P5040): - To build the NAND boot image: - make <board_name>_NAND - - -2. pblimage support available with mkimage utility will generate Freescale PBL -boot image that can be flashed on the board eSPI flash, SD/MMC and NAND. -Following steps describe it in detail. - - 1). Boot from eSPI flash - Write u-boot.pbl to eSPI flash from offset 0x0. - for ex in u-boot: - =>tftp 100000 u-boot.pbl - =>sf probe 0 - =>sf erase 0 100000 - =>sf write 100000 0 $filesize - Change SW1[1:5] = off off on off on. - - 2). Boot from SD/MMC - Write u-boot.pbl to SD/MMC from offset 0x1000. - for ex in u-boot: - =>tftp 100000 u-boot.pbl - =>mmcinfo - =>mmc write 100000 8 441 - Change SW1[1:5] = off off on on off. - - 3). Boot from Nand - Write u-boot.pbl to Nand from offset 0x0. - for ex in u-boot: - =>tftp 100000 u-boot.pbl - =>nand info - =>nand erase 0 100000 - =>nand write 100000 0 $filesize - Change SW1[1:5] = off on off off on - Change SW7[1:4] = on off off on - -Board specific configuration file specifications: ------------------------------------------------- -1. Configuration files rcw.cfg and pbi.cfg must present in the -board/freescale/corenet_ds/, rcw.cfg is for RCW, pbi.cfg is for -PBI instructions. File name must not be changed since they are used -in Makefile. -2. These files can have empty lines and lines starting with "#" as first -character to put comments - -Typical example of rcw.cfg file: ------------------------------------ - -#PBL preamble and RCW header -aa55aa55 010e0100 -#64 bytes RCW data -4c580000 00000000 18185218 0000cccc -40464000 3c3c2000 58000000 61000000 -00000000 00000000 00000000 008b6000 -00000000 00000000 00000000 00000000 - -Typical example of pbi.cfg file: ------------------------------------ - -#PBI commands -#Initialize CPC1 -09010000 00200400 -09138000 00000000 -091380c0 00000100 -09010100 00000000 -09010104 fff0000b -09010f00 08000000 -09010000 80000000 -#Configure LAW for CPC1 -09000d00 00000000 -09000d04 fff00000 -09000d08 81000013 -09000010 00000000 -09000014 ff000000 -09000018 81000000 -#Initialize eSPI controller -09110000 80000403 -09110020 2d170008 -09110024 00100008 -09110028 00100008 -0911002c 00100008 -#Flush PBL data -09138000 00000000 -091380c0 00000000 - ------------------------------------------------- -Author: Shaohui Xie<Shaohui.Xie@freescale.com> |