diff --git a/config/libc/newlib.in b/config/libc/newlib.in
index b95aff80..35c3fcfd 100644
--- a/config/libc/newlib.in
+++ b/config/libc/newlib.in
@@ -17,6 +17,11 @@ choice
 # Don't remove next line
 # CT_INSERT_VERSION_BELOW
 
+config LIBC_NEWLIB_V_1_20_0
+    bool
+    prompt "1.20.0 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
 config LIBC_NEWLIB_V_1_19_0
     bool
     prompt "1.19.0 (EXPERIMENTAL)"
@@ -54,6 +59,7 @@ config LIBC_VERSION
     prompt "use CVS tag" if LIBC_NEWLIB_CVS
 # Don't remove next line
 # CT_INSERT_VERSION_STRING_BELOW
+    default "1.20.0" if LIBC_NEWLIB_V_1_20_0
     default "1.19.0" if LIBC_NEWLIB_V_1_19_0
     default "1.18.0" if LIBC_NEWLIB_V_1_18_0
     default "1.17.0" if LIBC_NEWLIB_V_1_17_0
diff --git a/patches/newlib/1.20.0/100-fix-unaligned-access-memcpy-m68k.patch b/patches/newlib/1.20.0/100-fix-unaligned-access-memcpy-m68k.patch
new file mode 100644
index 00000000..1d0b49be
--- /dev/null
+++ b/patches/newlib/1.20.0/100-fix-unaligned-access-memcpy-m68k.patch
@@ -0,0 +1,27 @@
+The m68k mcpu processor does not like unaligned access
+
+Disable at least mcpu32, m68010 and m68020. These processors certainly
+do not like unaligned accesses.
+
+Signed-off-by: Remy Bohmer <linux@bohmer.net>
+[yann.morin.1998@anciens.enib.fr: update for 1.19.0 from 1.18.0]
+Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
+[austinpmorton@gmail.com: update for 1.20.0 from 1.19.0]
+Signed-off-by: Austin Morton <austinpmorton@gmail.com>
+---
+ newlib/libc/machine/m68k/memcpy.S |    2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+Index: newlib-1.20.0/newlib/libc/machine/m68k/memcpy.S
+===================================================================
+--- newlib-1.20.0.orig/newlib/libc/machine/m68k/memcpy.S
++++ newlib-1.20.0/newlib/libc/machine/m68k/memcpy.S
+@@ -15,7 +15,7 @@
+ 
+ #include "m68kasm.h"
+ 
+-#if defined (__mcoldfire__) || defined (__mc68010__) || defined (__mc68020__) || defined (__mc68030__) || defined (__mc68040__) || defined (__mc68060__)
++#if defined (__mcoldfire__) || defined (__mc68030__) || defined (__mc68040__) || defined (__mc68060__)
+ # define MISALIGNED_OK 1
+ #else
+ # define MISALIGNED_OK 0