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authorHarsh Sharma <hsharma@buildslavemtcdt3dm1.dc.multitech.prv>2022-07-22 15:59:44 -0500
committerHarsh Sharma <hsharma@buildslavemtcdt3dm1.dc.multitech.prv>2022-07-22 15:59:44 -0500
commit0b7f58005a76d5d47c41554166b9c41787891843 (patch)
treedf9c7386a56a9bf485e8a031b9d5d0e02ae6de4b /recipes-bsp
parentff4df4b34737d4250ca5e8008c9c61074c3519ee (diff)
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Updated overlay init script to fix mtcpmhs eeprom paths
Diffstat (limited to 'recipes-bsp')
-rwxr-xr-xrecipes-bsp/multitech/mt-dt-overlay/init-default (renamed from recipes-bsp/multitech/mt-dt-overlay/init)0
-rwxr-xr-xrecipes-bsp/multitech/mt-dt-overlay/init-mtcpmhs130
-rw-r--r--recipes-bsp/multitech/mt-dt-overlay_1.2.7.bb9
3 files changed, 137 insertions, 2 deletions
diff --git a/recipes-bsp/multitech/mt-dt-overlay/init b/recipes-bsp/multitech/mt-dt-overlay/init-default
index 4c82e12..4c82e12 100755
--- a/recipes-bsp/multitech/mt-dt-overlay/init
+++ b/recipes-bsp/multitech/mt-dt-overlay/init-default
diff --git a/recipes-bsp/multitech/mt-dt-overlay/init-mtcpmhs b/recipes-bsp/multitech/mt-dt-overlay/init-mtcpmhs
new file mode 100755
index 0000000..defb318
--- /dev/null
+++ b/recipes-bsp/multitech/mt-dt-overlay/init-mtcpmhs
@@ -0,0 +1,130 @@
+#!/bin/bash
+# This script must be run after mts-io
+# to read the hw-version,
+# but before anything else needs the
+# device tree.
+sysdir=/sys/devices/platform/mts-io
+
+I2CDIR="/sys/bus/i2c/devices"
+eepromPath="${I2CDIR}/0-0056/eeprom"
+
+DEVTREE="/sys/kernel/config/device-tree/overlays/"
+SYSFS="/usr/sbin/mts-io-sysfs"
+AP1_EEPROM=${I2CDIR}"/i2c-2/2-0050/eeprom"
+AP2_EEPROM=${I2CDIR}"/i2c-2/2-0052/eeprom"
+
+install_all_dtbo() {
+ for f in *.dtbo ; do
+ if ! [[ -f $f ]] ; then
+ continue
+ fi
+ # f2 is the extracted device name
+ base=$(basename $f .dtbo)
+ /bin/mkdir ${DEVTREE}/$base || true
+ /bin/cat $f >${DEVTREE}/$base/dtbo
+ done
+}
+
+install_dtbo_dir() {
+ if ! [[ -d ${DEVTREE} ]] ; then
+ mount configfs
+ fi
+ install_all_dtbo
+ gpiob1=0
+ gpiob2=0
+ if [[ -f $AP1_EEPROM ]] ; then
+ eeprom1=$(mts-id-eeprom --accessory-card --in-file "$AP1_EEPROM" 2>/dev/null)
+ if [[ $eeprom1 =~ [[:space:]]hw-version:[[:space:]]*\"MTAC-GPIOB- ]] ; then
+ gpiob1=1
+ fi
+ fi
+ if [[ -f $AP2_EEPROM ]] ; then
+ eeprom2=$(mts-id-eeprom --accessory-card --in-file "$AP2_EEPROM" 2>/dev/null)
+ if [[ $eeprom2 =~ [[:space:]]hw-version:[[:space:]]*\"MTAC-GPIOB- ]] ; then
+ gpiob2=1
+ fi
+ fi
+
+ if ((gpiob1 == 1)) || ((gpiob2 == 1)) ; then
+ /usr/bin/logger -t "mts-io" -p daemon.info -s 'Loading MTAC-GPIOB Device Tree'
+ cd gpiob
+ else
+ /usr/bin/logger -t "mts-io" -p daemon.info -s 'Loading standard SPI Device Tree'
+ cd lora
+ fi
+ install_all_dtbo
+}
+
+# Device tree format:
+# [mach]
+# [rev]
+# [file1] [file2] [file3] capability
+# [flag]
+# [file1] [file2] [file3]
+setdevtree() {
+ eeprom=$(mts-id-eeprom --in-file "$eepromPath" 2>/dev/null)
+ [[ $eeprom =~ [[:space:]]hw-version:[[:space:]]*\"([^\"]+) ]]
+ hw=${BASH_REMATCH[1]}
+ mach=${hw/%-*}
+ rev=${hw/#*-/}
+ echo mach is $mach
+ echo rev is $rev
+
+ regx='capa-(.*):[[:space:]]*true'
+ capflags=$(echo "$eeprom" | egrep "$regx" | sed -e 's/capa-//g' -e 's/: true//')
+ capflags=" ${capflags} "
+
+ # add device tree overlays, if they exist.
+ [[ -d /lib/dtoverlays ]] || return 1
+ (
+ cd /lib/dtoverlays
+
+ cd ${mach}
+
+ best="-1"
+ for d in * ; do
+ if awk "BEGIN{if ($d <= $rev)exit 1}" ; then
+ continue
+ fi
+ if awk "BEGIN{if ($d < $best)exit 1}" ; then
+ best="$d"
+ fi
+ done
+ if [[ $best == -1 ]] ; then
+ # No overlay found
+ exit 0
+ fi
+ cd $best
+ install_dtbo_dir
+ if [[ -d capability ]] ; then
+ cd capability
+ for d in * ; do
+ echo "We have found overlay capability directory $d"
+ if [[ ${capflags} =~ [[:space:]]${d}[[:space:]] ]] ; then
+ echo "This device has capabilithy $d so install the overlay"
+ (
+ cd $d
+ install_dtbo_dir
+ )
+ fi # Does a given capability flag exist in the EEPROM
+ done # Loop over all capabilities for this machine and version overlays
+ fi # Is there a capability directory to be installed?
+ )
+}
+
+case $1 in
+ start)
+ /usr/bin/logger -t "mts-io" -p daemon.info -s "Loading device tree overlay"
+ setdevtree
+ ;;
+
+ stop)
+ echo "Not implemented"
+ ;;
+
+ *)
+ echo "Usage: $0 {start|stop}"
+ exit 2
+ ;;
+esac
+
diff --git a/recipes-bsp/multitech/mt-dt-overlay_1.2.7.bb b/recipes-bsp/multitech/mt-dt-overlay_1.2.7.bb
index 260faea..d9b4f7a 100644
--- a/recipes-bsp/multitech/mt-dt-overlay_1.2.7.bb
+++ b/recipes-bsp/multitech/mt-dt-overlay_1.2.7.bb
@@ -28,7 +28,8 @@ PR = "r1"
SRC_URI = " \
git://git.multitech.net/mt-dt-overlay.git;protocol=git \
- file://init \
+ file://init-default \
+ file://init-mtcpmhs \
"
SRCREV = "${PV}"
@@ -61,7 +62,11 @@ addtask install after do_compile
#
do_install () {
install -d ${D}/${sysconfdir}/init.d
- install -m 0755 ${WORKDIR}/init ${D}/${sysconfdir}/init.d/${PN}
+ if [ ${MACHINE} = "mtcpmhs" ] ; then
+ install -m 0755 ${WORKDIR}/init-mtcpmhs ${D}/${sysconfdir}/init.d/${PN}
+ else
+ install -m 0755 ${WORKDIR}/init-default ${D}/${sysconfdir}/init.d/${PN}
+ fi
# Copy files to /lib/dt-overlay/main (mtac cards will be in mtac)
if [ -e ${AT91BOOTSTRAP_MACHINE} ]; then
install -d ${D}/${dt_dir}