On Fri, Mar 07, 2025 at 01:25:37PM +0530, Anshul Dalal wrote: > This fragment enables falcon boot for the am62x, 62a and 62p. > > To have enough stack and heap space for loading kernel image as FIT, the > memory map was modified as shown below, the PRELOADED_BL33_BASE in ATF > has to also be updated to 0x80200000 since the kernel requires to be > loaded at 2MiB aligned address. > > Memory Map (changed addresses marked with *): > > 0x80000000 +-------------------------------+ Start of DDR > 512KiB | ATF reserved memory space | CONFIG_K3_ATF_LOAD_ADDR > 0x80080000 +-------------------------------+ > 1.5MiB | Unused | > 0x80200000 +-------------------------------+ PRELOADED_BL33_BASE* in ATF > | | CONFIG_SYS_LOAD_ADDR* (load > 30MiB | Kernel + initramfs Image | address for kernel) > | | > 0x82000000 +-------------------------------+ K3_HW_CONFIG_BASE in ATF > | | CONFIG_SPL_PAYLOAD_ARGS_ADDR* > 1MiB | Kernel DTB | > | | > 0x82100000 +-------------------------------+ CONFIG_SPL_LOAD_FIT_ADDRESS* > | | > 55MiB |Initial Download Region for FIT| > | | > 0x85800000 +-------------------------------+ > | | > | R5 U-Boot SPL Stack + Heap | > 56MiB | (size defined by | > | SPL_STACK_R_MALLOC_SIMPLE_LEN)| > | | > 0x89000000 +-------------------------------+ CONFIG_SPL_STACK_R_ADDR* > 344MiB | Device Manager (DM) | > 0x9e800000 +-------------------------------+ BL32_BASE in ATF > 24MiB | OPTEE | > 0xa0000000 +-------------------------------+ End of DDR (512MiB)
This information is good and belongs in a relevant rst file, not just commit message. -- Tom
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