arm64: versal: Disable DDR cache mapping if DDR is not enabled

[platform/kernel/u-boot.git] / arch / arm / mach-versal / cpu.c

diff --git a/arch/arm/mach-versal/cpu.c b/arch/arm/mach-versal/cpu.c
index 6ee6cd4..829a6c1 100644 (file)
--- a/arch/arm/mach-versal/cpu.c
+++ b/arch/arm/mach-versal/cpu.c
@@ -81,6 +81,15 @@ void mem_map_fill(void)
                if (!gd->bd->bi_dram[i].size)
                        break;
 
+#if defined(CONFIG_VERSAL_NO_DDR)
+               if (gd->bd->bi_dram[i].start < 0x80000000UL ||
+                   gd->bd->bi_dram[i].start > 0x100000000UL) {
+                       printf("Ignore caches over %llx/%llx\n",
+                              gd->bd->bi_dram[i].start,
+                              gd->bd->bi_dram[i].size);
+                       continue;
+               }
+#endif
                versal_mem_map[banks].virt = gd->bd->bi_dram[i].start;
                versal_mem_map[banks].phys = gd->bd->bi_dram[i].start;
                versal_mem_map[banks].size = gd->bd->bi_dram[i].size;