diff --git a/tools/binman/etype/cros_ec_rw.py b/tools/binman/etype/cros_ec_rw.py
index 7ad62d0265..741372e1af 100644
--- a/tools/binman/etype/cros_ec_rw.py
+++ b/tools/binman/etype/cros_ec_rw.py
@@ -19,3 +19,4 @@ class Entry_cros_ec_rw(Entry_blob_named_by_arg):
     """
     def __init__(self, section, etype, node):
         super().__init__(section, etype, node, 'cros-ec-rw')
+        self.external = True
diff --git a/tools/binman/etype/intel_cmc.py b/tools/binman/etype/intel_cmc.py
index 9ab471e7b6..644fa421d3 100644
--- a/tools/binman/etype/intel_cmc.py
+++ b/tools/binman/etype/intel_cmc.py
@@ -5,10 +5,9 @@
 # Entry-type module for Intel Chip Microcode binary blob
 #
 
-from binman.entry import Entry
-from binman.etype.blob import Entry_blob
+from binman.etype.blob_ext import Entry_blob_ext
 
-class Entry_intel_cmc(Entry_blob):
+class Entry_intel_cmc(Entry_blob_ext):
     """Entry containing an Intel Chipset Micro Code (CMC) file
 
     Properties / Entry arguments:
diff --git a/tools/binman/etype/intel_descriptor.py b/tools/binman/etype/intel_descriptor.py
index 6afc42ece5..5b18893ccd 100644
--- a/tools/binman/etype/intel_descriptor.py
+++ b/tools/binman/etype/intel_descriptor.py
@@ -8,7 +8,7 @@
 import struct
 
 from binman.entry import Entry
-from binman.etype.blob import Entry_blob
+from binman.etype.blob_ext import Entry_blob_ext
 
 FD_SIGNATURE   = struct.pack('<L', 0x0ff0a55a)
 MAX_REGIONS    = 5
@@ -25,7 +25,7 @@ class Region:
         self.limit = ((val & 0x0fff0000) >> 4) | 0xfff
         self.size = self.limit - self.base + 1
 
-class Entry_intel_descriptor(Entry_blob):
+class Entry_intel_descriptor(Entry_blob_ext):
     """Intel flash descriptor block (4KB)
 
     Properties / Entry arguments:
diff --git a/tools/binman/etype/intel_fit.py b/tools/binman/etype/intel_fit.py
index ad6c1caa85..f1a10c55a6 100644
--- a/tools/binman/etype/intel_fit.py
+++ b/tools/binman/etype/intel_fit.py
@@ -7,9 +7,9 @@
 
 import struct
 
-from binman.etype.blob import Entry_blob
+from binman.etype.blob_ext import Entry_blob_ext
 
-class Entry_intel_fit(Entry_blob):
+class Entry_intel_fit(Entry_blob_ext):
     """Intel Firmware Image Table (FIT)
 
     This entry contains a dummy FIT as required by recent Intel CPUs. The FIT
diff --git a/tools/binman/etype/intel_fit_ptr.py b/tools/binman/etype/intel_fit_ptr.py
index a06d12e740..01f082281c 100644
--- a/tools/binman/etype/intel_fit_ptr.py
+++ b/tools/binman/etype/intel_fit_ptr.py
@@ -7,9 +7,9 @@
 
 import struct
 
-from binman.etype.blob import Entry_blob
+from binman.etype.blob_ext import Entry_blob_ext
 
-class Entry_intel_fit_ptr(Entry_blob):
+class Entry_intel_fit_ptr(Entry_blob_ext):
     """Intel Firmware Image Table (FIT) pointer
 
     This entry contains a pointer to the FIT. It is required to be at address
diff --git a/tools/binman/etype/intel_fsp.py b/tools/binman/etype/intel_fsp.py
index a1c89adcea..2ac012bce1 100644
--- a/tools/binman/etype/intel_fsp.py
+++ b/tools/binman/etype/intel_fsp.py
@@ -5,10 +5,9 @@
 # Entry-type module for Intel Firmware Support Package binary blob
 #
 
-from binman.entry import Entry
-from binman.etype.blob import Entry_blob
+from binman.etype.blob_ext import Entry_blob_ext
 
-class Entry_intel_fsp(Entry_blob):
+class Entry_intel_fsp(Entry_blob_ext):
     """Entry containing an Intel Firmware Support Package (FSP) file
 
     Properties / Entry arguments:
diff --git a/tools/binman/etype/intel_fsp_m.py b/tools/binman/etype/intel_fsp_m.py
index 4c225b24d3..434b0f1856 100644
--- a/tools/binman/etype/intel_fsp_m.py
+++ b/tools/binman/etype/intel_fsp_m.py
@@ -5,10 +5,9 @@
 # Entry-type module for Intel Firmware Support Package binary blob (M section)
 #
 
-from binman.entry import Entry
-from binman.etype.blob import Entry_blob
+from binman.etype.blob_ext import Entry_blob_ext
 
-class Entry_intel_fsp_m(Entry_blob):
+class Entry_intel_fsp_m(Entry_blob_ext):
     """Entry containing Intel Firmware Support Package (FSP) memory init
 
     Properties / Entry arguments:
diff --git a/tools/binman/etype/intel_fsp_s.py b/tools/binman/etype/intel_fsp_s.py
index 9e1107182a..564e1228bb 100644
--- a/tools/binman/etype/intel_fsp_s.py
+++ b/tools/binman/etype/intel_fsp_s.py
@@ -5,10 +5,9 @@
 # Entry-type module for Intel Firmware Support Package binary blob (S section)
 #
 
-from binman.entry import Entry
-from binman.etype.blob import Entry_blob
+from binman.etype.blob_ext import Entry_blob_ext
 
-class Entry_intel_fsp_s(Entry_blob):
+class Entry_intel_fsp_s(Entry_blob_ext):
     """Entry containing Intel Firmware Support Package (FSP) silicon init
 
     Properties / Entry arguments:
diff --git a/tools/binman/etype/intel_fsp_t.py b/tools/binman/etype/intel_fsp_t.py
index 5dca145a3f..df0c5fbee0 100644
--- a/tools/binman/etype/intel_fsp_t.py
+++ b/tools/binman/etype/intel_fsp_t.py
@@ -5,10 +5,9 @@
 # Entry-type module for Intel Firmware Support Package binary blob (T section)
 #
 
-from binman.entry import Entry
-from binman.etype.blob import Entry_blob
+from binman.etype.blob_ext import Entry_blob_ext
 
-class Entry_intel_fsp_t(Entry_blob):
+class Entry_intel_fsp_t(Entry_blob_ext):
     """Entry containing Intel Firmware Support Package (FSP) temp ram init
 
     Properties / Entry arguments:
diff --git a/tools/binman/etype/intel_ifwi.py b/tools/binman/etype/intel_ifwi.py
index ba63f6574f..b0c2b1aaa3 100644
--- a/tools/binman/etype/intel_ifwi.py
+++ b/tools/binman/etype/intel_ifwi.py
@@ -8,11 +8,11 @@
 from collections import OrderedDict
 
 from binman.entry import Entry
-from binman.etype.blob import Entry_blob
+from binman.etype.blob_ext import Entry_blob_ext
 from dtoc import fdt_util
 from patman import tools
 
-class Entry_intel_ifwi(Entry_blob):
+class Entry_intel_ifwi(Entry_blob_ext):
     """Entry containing an Intel Integrated Firmware Image (IFWI) file
 
     Properties / Entry arguments:
diff --git a/tools/binman/etype/intel_me.py b/tools/binman/etype/intel_me.py
index 22f61f44d8..a55b159485 100644
--- a/tools/binman/etype/intel_me.py
+++ b/tools/binman/etype/intel_me.py
@@ -5,10 +5,9 @@
 # Entry-type module for Intel Management Engine binary blob
 #
 
-from binman.entry import Entry
-from binman.etype.blob import Entry_blob
+from binman.etype.blob_ext import Entry_blob_ext
 
-class Entry_intel_me(Entry_blob):
+class Entry_intel_me(Entry_blob_ext):
     """Entry containing an Intel Management Engine (ME) file
 
     Properties / Entry arguments:
diff --git a/tools/binman/etype/intel_mrc.py b/tools/binman/etype/intel_mrc.py
index 74781848e2..ccbb046519 100644
--- a/tools/binman/etype/intel_mrc.py
+++ b/tools/binman/etype/intel_mrc.py
@@ -5,10 +5,9 @@
 # Entry-type module for Intel Memory Reference Code binary blob
 #
 
-from binman.entry import Entry
-from binman.etype.blob import Entry_blob
+from binman.etype.blob_ext import Entry_blob_ext
 
-class Entry_intel_mrc(Entry_blob):
+class Entry_intel_mrc(Entry_blob_ext):
     """Entry containing an Intel Memory Reference Code (MRC) file
 
     Properties / Entry arguments:
diff --git a/tools/binman/etype/intel_refcode.py b/tools/binman/etype/intel_refcode.py
index 5754fec4f8..5ead08b2be 100644
--- a/tools/binman/etype/intel_refcode.py
+++ b/tools/binman/etype/intel_refcode.py
@@ -5,10 +5,9 @@
 # Entry-type module for Intel Memory Reference Code binary blob
 #
 
-from binman.entry import Entry
-from binman.etype.blob import Entry_blob
+from binman.etype.blob_ext import Entry_blob_ext
 
-class Entry_intel_refcode(Entry_blob):
+class Entry_intel_refcode(Entry_blob_ext):
     """Entry containing an Intel Reference Code file
 
     Properties / Entry arguments:
diff --git a/tools/binman/etype/intel_vbt.py b/tools/binman/etype/intel_vbt.py
index f6d7b466ea..2a98c12368 100644
--- a/tools/binman/etype/intel_vbt.py
+++ b/tools/binman/etype/intel_vbt.py
@@ -4,10 +4,9 @@
 # Entry-type module for Intel Video BIOS Table binary blob
 #
 
-from binman.entry import Entry
-from binman.etype.blob import Entry_blob
+from binman.etype.blob_ext import Entry_blob_ext
 
-class Entry_intel_vbt(Entry_blob):
+class Entry_intel_vbt(Entry_blob_ext):
     """Entry containing an Intel Video BIOS Table (VBT) file
 
     Properties / Entry arguments:
diff --git a/tools/binman/etype/intel_vga.py b/tools/binman/etype/intel_vga.py
index 6b87c01b4c..a103f1ce0e 100644
--- a/tools/binman/etype/intel_vga.py
+++ b/tools/binman/etype/intel_vga.py
@@ -5,10 +5,9 @@
 # Entry-type module for x86 VGA ROM binary blob
 #
 
-from binman.entry import Entry
-from binman.etype.blob import Entry_blob
+from binman.etype.blob_ext import Entry_blob_ext
 
-class Entry_intel_vga(Entry_blob):
+class Entry_intel_vga(Entry_blob_ext):
     """Entry containing an Intel Video Graphics Adaptor (VGA) file
 
     Properties / Entry arguments:
diff --git a/tools/binman/etype/powerpc_mpc85xx_bootpg_resetvec.py b/tools/binman/etype/powerpc_mpc85xx_bootpg_resetvec.py
index e6480f7a15..4276df2b55 100644
--- a/tools/binman/etype/powerpc_mpc85xx_bootpg_resetvec.py
+++ b/tools/binman/etype/powerpc_mpc85xx_bootpg_resetvec.py
@@ -4,7 +4,6 @@
 # Entry-type module for the PowerPC mpc85xx bootpg and resetvec code for U-Boot
 #
 
-from binman.entry import Entry
 from binman.etype.blob import Entry_blob
 
 class Entry_powerpc_mpc85xx_bootpg_resetvec(Entry_blob):
