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Diffstat (limited to 'arch/arm/mach-stm32mp/dram_init.c')
-rw-r--r--arch/arm/mach-stm32mp/dram_init.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/mach-stm32mp/dram_init.c b/arch/arm/mach-stm32mp/dram_init.c
index 66e81bacca..3c097029bd 100644
--- a/arch/arm/mach-stm32mp/dram_init.c
+++ b/arch/arm/mach-stm32mp/dram_init.c
@@ -50,13 +50,16 @@ ulong board_get_usable_ram_top(ulong total_size)
lmb_init(&lmb);
lmb_add(&lmb, gd->ram_base, gd->ram_size);
boot_fdt_add_mem_rsv_regions(&lmb, (void *)gd->fdt_blob);
- size = ALIGN(CONFIG_SYS_MALLOC_LEN + total_size, MMU_SECTION_SIZE),
+ /* add 8M for reserved memory for display, fdt, gd,... */
+ size = ALIGN(SZ_8M + CONFIG_SYS_MALLOC_LEN + total_size, MMU_SECTION_SIZE),
reg = lmb_alloc(&lmb, size, MMU_SECTION_SIZE);
if (!reg)
reg = gd->ram_top - size;
- mmu_set_region_dcache_behaviour(reg, size, DCACHE_DEFAULT_OPTION);
+ /* before relocation, mark the U-Boot memory as cacheable by default */
+ if (!(gd->flags & GD_FLG_RELOC))
+ mmu_set_region_dcache_behaviour(reg, size, DCACHE_DEFAULT_OPTION);
return reg + size;
}