Support bitbanging on 64-bit ARM CPUs.

The configure.ac file restricted this to only 'arm' CPUs, but
${host_cpu} is 'aarch64' (not 'arm') for 64 bit ARM CPUs.

Tested on a Raspberry Pi compute module 3.

Change-Id: I6cb1d7e7fadc51dbb12419176f1faf0a0cb0b228
Signed-off-by: Mara Bos <m-ou.se@m-ou.se>
Reviewed-on: http://openocd.zylin.com/5274
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

diff --git a/configure.ac b/configure.ac
index e86d33f88a7b02162e4bf906b0ee97ff4eaf0678..e87959c040fa6f5c9ce7dd368960cef01aa609ac 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -277,6 +277,20 @@ AC_ARG_ENABLE([ioutil],
   AS_HELP_STRING([--enable-ioutil], [Enable ioutil functions - useful for standalone OpenOCD implementations]),
   [build_ioutil=$enableval], [build_ioutil=no])
 
+AS_CASE(["${host_cpu}"],
+  [arm*|aarch64], [
+    AC_ARG_ENABLE([bcm2835gpio],
+      AS_HELP_STRING([--enable-bcm2835gpio], [Enable building support for bitbanging on BCM2835 (as found in Raspberry Pi)]),
+      [build_bcm2835gpio=$enableval], [build_bcm2835gpio=no])
+    AC_ARG_ENABLE([imx_gpio],
+      AS_HELP_STRING([--enable-imx_gpio], [Enable building support for bitbanging on NXP IMX processors]),
+      [build_imx_gpio=$enableval], [build_imx_gpio=no])
+  ],
+  [
+    build_bcm2835gpio=no
+    build_imx_gpio=no
+])
+
 AS_CASE(["${host_cpu}"],
   [arm*], [
     AC_ARG_ENABLE([ep93xx],
@@ -286,19 +300,10 @@ AS_CASE(["${host_cpu}"],
     AC_ARG_ENABLE([at91rm9200],
       AS_HELP_STRING([--enable-at91rm9200], [Enable building support for AT91RM9200 based SBCs]),
       [build_at91rm9200=$enableval], [build_at91rm9200=no])
-
-    AC_ARG_ENABLE([bcm2835gpio],
-      AS_HELP_STRING([--enable-bcm2835gpio], [Enable building support for bitbanging on BCM2835 (as found in Raspberry Pi)]),
-      [build_bcm2835gpio=$enableval], [build_bcm2835gpio=no])
-    AC_ARG_ENABLE([imx_gpio],
-      AS_HELP_STRING([--enable-imx_gpio], [Enable building support for bitbanging on NXP IMX processors]),
-      [build_imx_gpio=$enableval], [build_imx_gpio=no])
   ],
   [
     build_ep93xx=no
     build_at91rm9200=no
-    build_bcm2835gpio=no
-    build_imx_gpio=no
 ])
 
 AC_ARG_ENABLE([gw16012],