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(3/6) bcm57xx: preinit 

This patch allows the bcm57xx module to work correctly with failsafe mode.

insmod doesn't return an error when a module loads but doesn't detect a switch.
I added the check_module function to load the module, then make sure
it doesn't just exit immediately.  This allows preinit to only attempt to
load the bcm57xx module when switch-robo and switch-adm dont detect a switch.

The activate_gpio parameter to bcm57xx simply instructs the module to attempt
to activate the switch via gpio before probing for the switch.

Tested on wrt350n.

Signed-off-by: Ben Pfountz <netprince (at) vt (dot) edu>

SVN-Revision: 11468
This commit is contained in:
Felix Fietkau 2008-06-15 11:10:13 +00:00
parent f9ad520e37
commit 9621d872ca
1 changed files with 14 additions and 3 deletions
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17
target/linux/brcm-2.4/base-files/etc/preinit.arch
View File

@ -4,7 +4,7 @@ failsafe() {
lock /tmp/.failsafe
failsafe_ip
echo "0 1 2 3 4 5u*" > /proc/switch/eth0/vlan/0/ports
echo "0 1 2 3 4 ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports
set_state failsafe
[ -x "/usr/sbin/nvram" ] && {
@ -39,8 +39,19 @@ esac
failsafe_ip
check_module () {
module="$1"; shift; params="$*"
insmod "$module" "$params"
sleep 1
grep "^$module" /proc/modules
return $?
}
insmod switch-core
insmod switch-robo || insmod switch-adm || rmmod switch-core
check_module switch-robo || check_module switch-adm || {
check_module bcm57xx activate_gpio=0x4 && cpu_port="8u*"
} || rmmod switch-core
[ -d /proc/switch/eth0 ] && {
echo 1 > /proc/switch/eth0/reset
@ -48,7 +59,7 @@ insmod switch-robo || insmod switch-adm || rmmod switch-core
# this would be easier if we blasted the message across all ports
# but we don't want packets leaking across interfaces
for port in $(seq 0 4); do {
echo "$port 5u*" > /proc/switch/eth0/vlan/0/ports
echo "$port ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports
netmsg 192.168.1.255 "Press reset now, to enter Failsafe!"
}; done
} || netmsg 192.168.1.255 "Press reset now, to enter Failsafe!"