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setenv _bscriptver "v1.07"
echo "## Gateworks Ventana Yocto Bootscript ${_bscriptver} ####################"
## First: Memory Allocations ###################################################
if test -z "${mem}" ; then
echo "Detected ${mem_mb}MB DRAM - adjusting CMA memory allocation..."
# Freescale doesn't provide a 'best practice' for choosing CMA. We determine
# it using following formula (please customize mem to your own req's):
# cma=min(((${mem_mb}/2) - round(${mem_mb}*.125))M, 384M)
if itest.s "x${mem_mb}" == "x256" ; then
setenv mem "cma=96M"
elif itest.s "x${mem_mb}" == "x512" ; then
setenv mem "cma=192M"
else
setenv mem "cma=384M"
fi
fi
if itest.s "x${mem}" == "xNA" ; then
echo "Leaving CMA alone..."
else
setenv extra "${extra}" "${mem}"
echo "Memory configuration used from env mem: $mem"
fi
## Second: Video Options #######################################################
if test -z "${video}" ; then
# locally used variables
setenv fb_num 0
setenv lvds_flag
setenv hdmi_flag
setenv cvbs_flag
setenv max_disp 3 # 0-3 displays
# Default displays to display if displays is empty
if test -z "${displays}"; then
setenv displays "${display}"
fi
# Detect HDMI if displays is empty (HDMI)
if test -z "${displays}" ; then
i2c dev 2
if hdmidet ; then # HDMI
setenv displays "HDMI"
echo "HDMI Detected"
fi
fi
echo "Display(s) to configure: ${displays}"
# Configure displays
for disp in ${displays} ; do
if itest.s "x${disp}" == "xHDMI" ; then
if test -z "${hdmi_flag}" ; then # Only allow one HDMI display
setenv hdmi_flag 1
test -n "${hdmi}" || hdmi=1080p
if itest.s "x${hdmi}" == "x1080p" ; then
setenv hdmi "1920x1080M@60"
elif itest.s "x${hdmi}" == "x720p" ; then
setenv hdmi "1280x720M@60"
elif itest.s "x${hdmi}" == "x480p" ; then
setenv hdmi "720x480M@60"
fi
setenv video "${video}" "video=mxcfb${fb_num}:dev=hdmi,${hdmi},if=RGB24,bpp=32"
echo "Setting HDMI Display to mxcfb${fb_num}"
setexpr fb_num ${fb_num} + 1
fi
# Freescale MCIMX-LVDS1 10" XGA Touchscreen Display
elif itest.s "x${disp}" == "xHannstar-XGA" ; then
if test -z "${lvds_flag}" ; then # Only allow one LVDS display
setenv lvds_flag 1
setenv video "${video}" "video=mxcfb${fb_num}:dev=ldb,bpp=32,LDB-XGA,if=RGB666"
# Configure timings
setenv display "Hannstar-XGA"
echo "Setting Hannstar-XGA Display to mxcfb${fb_num}"
setexpr fb_num ${fb_num} + 1
fi
# GW17029 DLC700JMGT4 7" WSVGA Touchscreen Display
elif itest.s "x${disp}" == "xDLC700JMGT4" ; then
if test -z "${lvds_flag}" ; then # Only allow one LVDS display
setenv lvds_flag 1
setenv video "${video}" "video=mxcfb${fb_num}:dev=ldb,bpp=32,LDB-WSVGA,if=RGB666"
# Configure timings
setenv display "DLC700JMGT4"
echo "Setting DLC700JMGT4 Display to mxcfb${fb_num}"
setexpr fb_num ${fb_num} + 1
fi
# GW17030 DLC800FIGT3 8" XGA Touchscreen Display"
elif itest.s "x${disp}" == "xDLC800FIGT3" ; then
if test -z "${lvds_flag}" ; then # Only allow one LVDS display
setenv lvds_flag 1
setenv video "${video}" "video=mxcfb${fb_num}:dev=ldb,bpp=32,LDB-XGA,if=RGB666"
# Configure timings
setenv display "DLC800FIGT3"
echo "Setting DLC800FIGT3 Display to mxcfb${fb_num}"
setexpr fb_num ${fb_num} + 1
fi
elif itest.s "x${disp}" == "xCVBS" ; then
if test -z "${cvbs_flag}" ; then # Only allow one CVBS display
setenv cvbs_flag 1
setenv video "${video}" "video=mxcfb${fb_num}:dev=adv739x,BT656-NTSC,if=BT656,fbpix=RGB565,bpp=32"
echo "Setting CVBS Display to mxcfb${fb_num}"
setexpr fb_num ${fb_num} + 1
fi
elif itest.s "x${disp}" == "xnone" ; then
# Reset fb_num to mark all displays to 'off'
setenv fb_num 0
else
echo "${disp} is an unsupported display type"
echo "Valid Displays: HDMI|Hannstar-XGA|DLC700JMGT4|DLC800FIGT3|CVBS"
fi
done
# Mark the rest of the displays to 'off'
while test "${fb_num}" -le "${max_disp}" ; do
setenv video "${video}" "video=mxcfb${fb_num}:off"
setexpr fb_num ${fb_num} + 1
done
# Set only if video is set
if test -n "${video}" ; then
setenv video "${video}"
fi
fi
setenv extra "${extra}" galcore.initgpu3DMinClock=3
echo "Video configuration used from env video: ${video}"
echo "## End Gateworks Ventana Yocto Bootscript ${_bscriptver} ################"