X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=doc%2FREADME.ramboot-ppc85xx;h=c9fef533a5c6793977eba4b7ab2a47d3211e4901;hb=30e71ad5b7117d17b547aa39b9d17cf4706f629a;hp=8ed45fb46d11558fde117eb80da6aafcead4d463;hpb=3fe012854040280d1efd76dbe6c439e3219850ce;p=u-boot diff --git a/doc/README.ramboot-ppc85xx b/doc/README.ramboot-ppc85xx index 8ed45fb46d..c9fef533a5 100644 --- a/doc/README.ramboot-ppc85xx +++ b/doc/README.ramboot-ppc85xx @@ -23,11 +23,11 @@ methods could be handy. the board.And then execute the bootloader from DDR. Some usecases where this may be used: - While developing some new feature of u-boot, for example USB driver or - SPI driver. - Suppose the board already has a working bootloader on it. And you would - prefer to keep it intact, at the same time want to test your bootloader. - In this case you can get your test bootloader binary into DDR via tftp - for example. Then execute the test bootloader. + SPI driver. + Suppose the board already has a working bootloader on it. And you would + prefer to keep it intact, at the same time want to test your bootloader. + In this case you can get your test bootloader binary into DDR via tftp + for example. Then execute the test bootloader. - Suppose a platform already has a propreitery bootloader which does not support for example AMP boot. In this case also RAM boot loader can be utilized. @@ -90,8 +90,8 @@ In the 2nd case bootloader has already re-located CCSRBAR to 0xffe00000 This will finally use the CONFIG_SYS_RAMBOOT. -3. File name-> arch/powerpc/include/asm/config_mpc85xx.h - In the section of the particular SOC, for example P1020, +3. Change CONFIG_SYS_CCSRBAR_DEFAULT in menuconfig accordingly. + In the section of the particular SOC, for example P1020, pseudo code #if defined(CONFIG_GO) #define CONFIG_SYS_CCSRBAR_DEFAULT 0xffe00000