Hi Vaibhav, "Hiremath, Vaibhav" <hvaibhav@xxxxxx> writes: [...] > Paul/Kevin/Santosh, > > AM335x is booting up from Mainline, starting from v3.7, that’s where HWMOD data got merged to > Mainline. > > We have discussed on this in the past as well, let me explain the issue here in detail > again for everybody - Thanks for the detail. In my case, after more debug, it appears that where I was putting the DTB in memory from u-boot was not working. Using the addresses you used gets things working again. Thanks. u-boot mainline (v2013.04) for BeagleBone has defaults that don't work appear together: U-Boot# printenv loadaddr loadaddr=0x80200000 U-Boot# printenv fdtaddr fdtaddr=0x80F80000 Changing fdtaddr around got things working again. It's probably a good idea to change the u-boot defaults to values that work, since that's a likely starting point for people. I'm now back to mainline booting well on both my original BeagleBone and my BeagleBone black. Thanks, Kevin > In case of Am335x we have only two possible options, as AM335x only boots up > With DTB (Tested in BBB) - > > 1. Mainline u-boot + mainline Kernel: > ===================================== > > 1.a. Appended DTB method > ------------------------ > > Here you __must__ enabled below config options in order to get kernel booting, > > CONFIG_ARM_APPENDED_DTB=y > CONFIG_ARM_ATAG_DTB_COMPAT=y > CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER=y > > And, I have used below command to append DTB to kernel image > > # cat arch/arm/boot/zImage arch/arm/boot/dts/am335x-bone.dtb > > zImage-append && mkimage -A arm -O linux -T kernel -C none -a > 0x80008000 -e 0x80008000 -n "Linux" -d zImage-append uImage-append > > > I have attached complete log here with this mail for reference > http://pastebin.com/82duFh78 > > > 1.b. Discrete DTB and uImage method: > ------------------------------------ > > Here you don’t need to enable any extra config options. Plain omap2plus_defconfig > Should work without any issues. > > I have attached complete log here with this mail for reference > http://pastebin.com/Nqr0PiwW > > > 2. Older U-Boot (without DTB) + Mainline Kernel: > ================================================ > > This is same as #OPTION-1.a above. > > > Thanks, > Vaibhav -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
