diff --git a/src/arch/x86/car.ld b/src/arch/x86/car.ld
index 191dcaf2aa..f29a465784 100644
--- a/src/arch/x86/car.ld
+++ b/src/arch/x86/car.ld
@@ -22,6 +22,14 @@
 	 * romstage. Appropriate code needs to handle the transition. */
 #if IS_ENABLED(CONFIG_SEPARATE_VERSTAGE)
 	VBOOT2_WORK(., 16K)
+#endif
+	/* Stack for CAR stages. Since it persists across all stages that
+	 * use CAR it can be reused. The chipset/SoC is expected to provide
+	 * the stack size. */
+#if IS_ENABLED(CONFIG_C_ENVIRONMENT_BOOTBLOCK)
+	_car_stack_start = .;
+	. += CONFIG_DCACHE_BSP_STACK_SIZE;
+	_car_stack_end = .;
 #endif
 	/* The pre-ram cbmem console as well as the timestamp region are fixed
 	 * in size. Therefore place them at the beginning .car.data section