On February 14, 2024 thus sayeth Andrew Davis: > The current address of TF-A in DRAM is just below the 512MB address line. > This means if the DRAM in a system is 512MB then TF-A is right at the > end of memory which is often reused, for instance U-Boot relocates itself > here. If a system has less than 512MB then that system wouldn't work at > all as TF-A would fail to load. > > To avoid the issues above, move TF-A to the start of DRAM, which doesn't > change from system to system. > > As TF-A is position independent, this has no dependency on TF-A. We > also fixup DT as needed when TF-A address is moved, so this change also > has no dependency on Linux and is fully forward/backward compatible. > > Signed-off-by: Andrew Davis <[email protected]>
Acked-by: Bryan Brattlof <[email protected]> Thanks for this! This will make adding SIP support much easier. ~Bryan > --- > arch/arm/mach-k3/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig > index 55bb874d9aa..33f20f61f83 100644 > --- a/arch/arm/mach-k3/Kconfig > +++ b/arch/arm/mach-k3/Kconfig > @@ -123,7 +123,7 @@ config SYS_K3_SPL_ATF > > config K3_ATF_LOAD_ADDR > hex "Load address of ATF image" > - default 0x9e780000 if (SOC_K3_AM625 || SOC_K3_AM62A7) > + default 0x80000000 if (SOC_K3_AM625 || SOC_K3_AM62A7) > default 0x70000000 > help > The load address for the ATF image. This value is used to build the > -- > 2.39.2 >
