diff --git a/src/soc/nvidia/tegra124/soc.c b/src/soc/nvidia/tegra124/soc.c
index 914a569752..95f62a3545 100644
--- a/src/soc/nvidia/tegra124/soc.c
+++ b/src/soc/nvidia/tegra124/soc.c
@@ -19,16 +19,11 @@ static void soc_read_resources(struct device *dev)
 	u32 lcdbase = fb_base_mb();
 	unsigned long fb_size = FB_SIZE_MB;
 
-	ram_resource_kb(dev, 0, (uintptr_t)_dram/KiB,
-		(sdram_max_addressable_mb() - fb_size)*KiB -
-		(uintptr_t)_dram/KiB);
-	mmio_resource_kb(dev, 1, lcdbase*KiB, fb_size*KiB);
+	ram_from_to(dev, 0, (uintptr_t)_dram, (sdram_max_addressable_mb() - fb_size) * MiB);
+	mmio_range(dev, 1, lcdbase * MiB, fb_size * MiB);
 
-	u32 sdram_end_mb = sdram_size_mb() + (uintptr_t)_dram/MiB;
-
-	if (sdram_end_mb > sdram_max_addressable_mb())
-		ram_resource_kb(dev, 2, sdram_max_addressable_mb()*KiB,
-			(sdram_end_mb - sdram_max_addressable_mb())*KiB);
+	ram_from_to(dev, 2, sdram_max_addressable_mb() * MiB,
+		    (uintptr_t)_dram + sdram_size_mb() * (uint64_t)MiB);
 }
 
 static void soc_init(struct device *dev)