fi
}
+# Print a list of labels of detected PCI ethernet hardware devices.
+get_pci_eth_labels()
+{
+ # We need to match all PCI ethernet hardware devices against all
+ # drivers. For performance reasons, we construct a lookup table on the
+ # fly here. In order to do that, we need to give both a list of all
+ # available network drivers with PCI device IDs (part 1 of the code
+ # below) and a list of all actually present ethernet hardware devices
+ # (part 2) to an awk script (part 3). The awk script can tell the
+ # difference between the list entries based on whether there is a
+ # leading space on the line. For part 2, we grab only devices that are
+ # in PCI class 2 (network controller) subclass 0 (ethernet controller).
+
+ # Part 1: collect all network drivers with supported PCI IDs
+ (for dir in $SYSTEM_CONF_DIRS; do
+ for f in $dir/$SYSTEM_CONF_SUBDIR/*; do
+ if [ -f $f ]; then
+ printconfig $f | grep ',type net.*,pci device'
+ fi
+ done
+ done | sed 's/^service \([^,]*\),.*,pci device/ \1/g';
+ # Part 2: grab all PCI IDs of ethernet hardware devices (class 2/0)
+ cat /proc/pci | grep '^[^ ]* 2/0/' | cut -d' ' -f3) | awk '
+ # Part 3: first construct a PCI-ID-to-driver table based on the lines
+ # produced by part 1 (with leading space), which each contain one
+ # driver name followed by one or more PCI IDs; then, go through all
+ # the ethernet hardware devices found in part 2 (no leading space) and
+ # if if there is a hit in the table, print the driver label to use.
+ /^ / { for (i=2;i<=NF;i++) drivers[$(i)]=$1 }
+ /^[^ ]/ {
+ # There is a bit of a discrepancy between output formats of
+ # /proc/pci and printconfig: the former uses
+ # "vid:did:sub_vid:sub_did" whereas the latter uses
+ # "vid:did/sub_vid:sub_did". No problem; in the common case
+ # (= no sub IDs used) we need to split the PCI ID anyway.
+ if (split($1,id,":") >= 4) {
+ # Try a full "vid:did:sub_vid:sub_did" match.
+ name=drivers[id[1]":"id[2]"/"id[3]":"id[4]]
+ }
+ # No sub IDs or no match found? Try a "vid:did" match.
+ if (!name) name=drivers[id[1]":"id[2]]
+ # If found, print the resulting label (<name>_<instance>)
+ if (name) {
+ print name"_"(instance[name]+0)
+ instance[name]++
+ }
+ }
+ '
+}
+
+# Print a list of labels of ethernet hardware devices that have been detected
+# to be present on the system. Each label has the format '<driver>_<instance>'
+# where <driver> is the file name of the driver (in /service) and <instance> is
+# a zero-based, per-driver instance number of the device.
get_eth_labels() {
- # Nothing yet.
+ # For now, do autodetection only on platforms with (x86) PCI support.
+ # For (x86) ISA drivers, a custom network setting script is required;
+ # see below. For ARM platforms, the driver (if any) is started based
+ # on the board; there is no device autodetection.
+ if [ -f /proc/pci ]; then
+ get_pci_eth_labels
+ fi
+
+ # Add any network drivers manually configured in /usr/etc/rc.local by
+ # the netconf(8) utility.
+ if [ -n "$netdriver" ]; then
+ echo "${netdriver}_0"
+ fi
}
# Detect expansion boards on the BeagleBone and load the proper drivers.
date >> /dev/urandom
fi
- # start network driver instances for all configured ethernet devices
+ # start network driver instances for all detected ethernet devices
for label in $(get_eth_labels); do
driver=$(echo $label | sed 's/\(.*\)_.*/\1/')
instance=$(echo $label | sed 's/.*_//')
up tps65217 -label tps65217.1.24 \
-args 'bus=1 address=0x24'
+ # Start ethernet driver.
+ up lan8710a -label lan8710a_0 -args 'instance=0'
+
# check for the presence of a display
eepromread -f /dev/i2c-2 -n > /dev/null 2>&1
RESULT=$?
up tda19988 -label tda19988.1.3470 -args \
'cec_bus=1 cec_address=0x34 hdmi_bus=1 hdmi_address=0x70'
+ # Start ethernet driver.
+ up lan8710a -label lan8710a_0 -args 'instance=0'
+
# start frame buffer
#up fb -dev /dev/fb0 -args edid.0=tda19988.1.3470
# fb hasn't been ported to AM335X yet.
