From: Patrice Chotard Date: Thu, 9 Jan 2025 10:21:47 +0000 (+0100) Subject: stm32mp: Fix board_get_usable_ram_top() X-Git-Tag: v2025.04-rc2~44^2~1 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b20aed7cfd88bdef3618a9548183c59091b1b69;p=pandora-u-boot.git stm32mp: Fix board_get_usable_ram_top() mmu_set_region_dcache_behaviour() parameters must be aligned which is not always the case. For example for STM32MP2, we stayed stuck inside mmu_set_region_dcache_behaviour() in an infinite loop because set_one_region() always return 0 due to start parameter which is not aligned. Signed-off-by: Patrice Chotard Reviewed-by: Patrick Delaunay --- diff --git a/arch/arm/mach-stm32mp/dram_init.c b/arch/arm/mach-stm32mp/dram_init.c index b06105768b3..34b958d7afd 100644 --- a/arch/arm/mach-stm32mp/dram_init.c +++ b/arch/arm/mach-stm32mp/dram_init.c @@ -81,7 +81,7 @@ phys_addr_t board_get_usable_ram_top(phys_size_t total_size) /* add 8M for U-Boot reserved memory: display, fdt, gd,... */ size = ALIGN(SZ_8M + CONFIG_SYS_MALLOC_LEN + total_size, MMU_SECTION_SIZE); - reg = gd->ram_top - size; + reg = ALIGN(gd->ram_top - size, MMU_SECTION_SIZE); /* Reserved memory for OP-TEE at END of DDR for STM32MP1 SoC */ if (IS_ENABLED(CONFIG_STM32MP13X) || IS_ENABLED(CONFIG_STM32MP15X)) {