Re: Enabling PCMCIA serial ports without pcmciautils/pcmcia_cs in 2.6?

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Russell King wrote:

On Tue, Aug 09, 2005 at 11:03:24AM +0200, Dag Bakke wrote:
Is this really necessary? I'd guess that serial cards are some of the simpler pcmcia targets to enable? (I could be very wrong..) Anyone got an idea about alternative solutions, or can state the minimum binaries/files I need to enable this card? (Advantech COMpad-32/85B-4)
Have you tried just running up a really recent kernel (eg, 2.6.13-rc6)
with PCMCIA and serial (including PCMCIA serial support) built in,
plugging the card in, and seeing what happens?

Yes. I get no message in dmesg indicating that the ports are detected.
Testing on a laptop (not the actual target):

toolbox-2 ~ # uname -a
Linux toolbox-2 2.6.13-rc6 #2 Mon Aug 8 16:05:25 CEST 2005 i686 Pentium III (Coppermine) GenuineIntel GNU/Linux
toolbox-2 ~ # zcat /proc/config.gz | egrep -i 'serial|pcmcia|yenta' |
grep -v ^#
CONFIG_PCMCIA=y
CONFIG_PCMCIA_LOAD_CIS=y
CONFIG_PCMCIA_IOCTL=y
CONFIG_YENTA=y
CONFIG_PCMCIA_PROBE=y
CONFIG_NET_PCMCIA=y
CONFIG_PCMCIA_3C589=m
CONFIG_PCMCIA_3C574=m
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_CS=y
CONFIG_SERIAL_8250_NR_UARTS=8
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_MANY_PORTS=y
CONFIG_SERIAL_8250_SHARE_IRQ=y
CONFIG_SERIAL_8250_FOURPORT=y
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y


toolbox-2 ~ # /etc/init.d/pcmcia start
* PCMCIA support detected.
* Starting pcmcia ...
cardmgr[7718]: watching 2 sockets [ ok ]
toolbox-2 ~ # dmesg | tail
[ 6992.630199] cs: IO port probe 0x800-0x8ff: clean.
[ 6992.630671] cs: IO port probe 0x100-0x4ff: excluding 0x4d0-0x4d7
[ 6992.631927] cs: IO port probe 0x100-0x4ff: excluding 0x4d0-0x4d7
[ 6992.633248] cs: IO port probe 0xa00-0xaff: clean.
[ 6992.633656] cs: IO port probe 0xa00-0xaff: clean.
[ 6992.638071] cs: memory probe 0xa0000000-0xa0ffffff: clean.
[ 6992.692737] ttyS1 at I/O 0x240 (irq = 5) is a 16550A
[ 6992.695578] ttyS2 at I/O 0x248 (irq = 5) is a 16550A
[ 6992.698237] ttyS3 at I/O 0x250 (irq = 5) is a 16550A
[ 6992.700924] ttyS4 at I/O 0x258 (irq = 5) is a 16550A


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