diff --git a/default-configs/alpha-softmmu.mak b/default-configs/alpha-softmmu.mak
index 18e5337a77..bc07600f96 100644
--- a/default-configs/alpha-softmmu.mak
+++ b/default-configs/alpha-softmmu.mak
@@ -14,3 +14,4 @@ CONFIG_VMWARE_VGA=y
 CONFIG_IDE_CMD646=y
 CONFIG_I8259=y
 CONFIG_MC146818RTC=y
+CONFIG_ISA_TESTDEV=y
diff --git a/default-configs/mips-softmmu.mak b/default-configs/mips-softmmu.mak
index 6cdca11a4d..926709ae52 100644
--- a/default-configs/mips-softmmu.mak
+++ b/default-configs/mips-softmmu.mak
@@ -33,3 +33,4 @@ CONFIG_I8259=y
 CONFIG_JAZZ_LED=y
 CONFIG_MC146818RTC=y
 CONFIG_VT82C686=y
+CONFIG_ISA_TESTDEV=y
diff --git a/default-configs/mips64-softmmu.mak b/default-configs/mips64-softmmu.mak
index 89978543c4..0ef3f09c77 100644
--- a/default-configs/mips64-softmmu.mak
+++ b/default-configs/mips64-softmmu.mak
@@ -33,3 +33,4 @@ CONFIG_I8259=y
 CONFIG_JAZZ_LED=y
 CONFIG_MC146818RTC=y
 CONFIG_VT82C686=y
+CONFIG_ISA_TESTDEV=y
diff --git a/default-configs/mips64el-softmmu.mak b/default-configs/mips64el-softmmu.mak
index f18f3fc441..60893182b3 100644
--- a/default-configs/mips64el-softmmu.mak
+++ b/default-configs/mips64el-softmmu.mak
@@ -35,3 +35,4 @@ CONFIG_I8259=y
 CONFIG_JAZZ_LED=y
 CONFIG_MC146818RTC=y
 CONFIG_VT82C686=y
+CONFIG_ISA_TESTDEV=y
diff --git a/default-configs/mipsel-softmmu.mak b/default-configs/mipsel-softmmu.mak
index 6281f48380..cd59e2479a 100644
--- a/default-configs/mipsel-softmmu.mak
+++ b/default-configs/mipsel-softmmu.mak
@@ -33,3 +33,4 @@ CONFIG_I8259=y
 CONFIG_JAZZ_LED=y
 CONFIG_MC146818RTC=y
 CONFIG_VT82C686=y
+CONFIG_ISA_TESTDEV=y
diff --git a/default-configs/ppc-softmmu.mak b/default-configs/ppc-softmmu.mak
index 73e4cc5f63..eac0b28fb9 100644
--- a/default-configs/ppc-softmmu.mak
+++ b/default-configs/ppc-softmmu.mak
@@ -46,3 +46,4 @@ CONFIG_E500=y
 CONFIG_OPENPIC_KVM=$(and $(CONFIG_E500),$(CONFIG_KVM))
 # For PReP
 CONFIG_MC146818RTC=y
+CONFIG_ISA_TESTDEV=y
diff --git a/default-configs/ppc64-softmmu.mak b/default-configs/ppc64-softmmu.mak
index 6d1933bbf9..0164443597 100644
--- a/default-configs/ppc64-softmmu.mak
+++ b/default-configs/ppc64-softmmu.mak
@@ -49,3 +49,4 @@ CONFIG_OPENPIC_KVM=$(and $(CONFIG_E500),$(CONFIG_KVM))
 CONFIG_XICS=$(CONFIG_PSERIES)
 # For PReP
 CONFIG_MC146818RTC=y
+CONFIG_ISA_TESTDEV=y
diff --git a/default-configs/ppcemb-softmmu.mak b/default-configs/ppcemb-softmmu.mak
index e3b5e50360..86080a7574 100644
--- a/default-configs/ppcemb-softmmu.mak
+++ b/default-configs/ppcemb-softmmu.mak
@@ -41,3 +41,4 @@ CONFIG_E500=y
 CONFIG_OPENPIC_KVM=$(and $(CONFIG_E500),$(CONFIG_KVM))
 # For PReP
 CONFIG_MC146818RTC=y
+CONFIG_ISA_TESTDEV=y
diff --git a/default-configs/sh4-softmmu.mak b/default-configs/sh4-softmmu.mak
index ef963ee665..bea21ac825 100644
--- a/default-configs/sh4-softmmu.mak
+++ b/default-configs/sh4-softmmu.mak
@@ -8,3 +8,4 @@ CONFIG_PFLASH_CFI02=y
 CONFIG_SH4=y
 CONFIG_IDE_MMIO=y
 CONFIG_SM501=y
+CONFIG_ISA_TESTDEV=y
diff --git a/default-configs/sh4eb-softmmu.mak b/default-configs/sh4eb-softmmu.mak
index e744486ac5..2fd973ecf3 100644
--- a/default-configs/sh4eb-softmmu.mak
+++ b/default-configs/sh4eb-softmmu.mak
@@ -8,3 +8,4 @@ CONFIG_PFLASH_CFI02=y
 CONFIG_SH4=y
 CONFIG_IDE_MMIO=y
 CONFIG_SM501=y
+CONFIG_ISA_TESTDEV=y
diff --git a/default-configs/sparc64-softmmu.mak b/default-configs/sparc64-softmmu.mak
index 9b08ee8a20..299c97b715 100644
--- a/default-configs/sparc64-softmmu.mak
+++ b/default-configs/sparc64-softmmu.mak
@@ -15,3 +15,4 @@ CONFIG_IDE_ISA=y
 CONFIG_IDE_CMD646=y
 CONFIG_PCI_APB=y
 CONFIG_MC146818RTC=y
+CONFIG_ISA_TESTDEV=y