Hi Patrick On 8/16/21 9:26 AM, Patrice CHOTARD wrote: > Hi Patrick > > On 7/26/21 11:55 AM, Patrick Delaunay wrote: >> The function board_get_usable_ram_top can to called after relocation >> with total_size = 0 to get the uppermost pointer that is valid to access >> in U-Boot. >> >> When total_size = 0, the reserved memory should be not take in account >> with lmb library and 'gd->ram_base + gd->ram_size' can be used. >> >> It is the case today in lib/efi_loader/efi_memory.c:efi_add_known_memory() >> and this patch avoids that the reserved memory for OP-TEE is not part of >> the EFI available memory regions. >> >> Signed-off-by: Patrick Delaunay <patrick.delau...@foss.st.com> >> --- >> Patch to correct the UEFI support for STM32MP platform >> after Heinrich's remark on patch [1]. >> >> [1] efi_loader: replace board_get_usable_ram_top by gd->ram_top >> http://patchwork.ozlabs.org/project/uboot/patch/20210709124630.1.I212e7cd96724368b8272300c59c2a1c1f227ed67@changeid/ >> >> arch/arm/mach-stm32mp/dram_init.c | 3 +++ >> 1 file changed, 3 insertions(+) >> >> diff --git a/arch/arm/mach-stm32mp/dram_init.c >> b/arch/arm/mach-stm32mp/dram_init.c >> index 3c097029bd..94f25f34e0 100644 >> --- a/arch/arm/mach-stm32mp/dram_init.c >> +++ b/arch/arm/mach-stm32mp/dram_init.c >> @@ -46,6 +46,9 @@ ulong board_get_usable_ram_top(ulong total_size) >> phys_addr_t reg; >> struct lmb lmb; >> >> + if (!total_size) >> + return gd->ram_base + gd->ram_size; >> + >> /* found enough not-reserved memory to relocated U-Boot */ >> lmb_init(&lmb); >> lmb_add(&lmb, gd->ram_base, gd->ram_size); >> > > Reviewed-by: Patrice Chotard <patrice.chot...@foss.st.com> > > Thanks > Patrice > _______________________________________________ > Uboot-stm32 mailing list > uboot-st...@st-md-mailman.stormreply.com > https://st-md-mailman.stormreply.com/mailman/listinfo/uboot-stm32 > Applied to u-boot-stm/master
Thanks Patrice