In the kernel you can use this code: u32 gpio_reg; pci_read_config_dword(dev,0xFC,&gpio_reg); after that you can test bits in gpio_reg. The code (or register address) above is for the TSB82AA2! I dont know how to read registers from userspace. Ciao Dan Am Mo, den 02.08.2004 schrieb Shine Mohamed Jabbar um 7:05: > hi, > > Please see the manual of the processor to get the address > of the GPIO registers. I think it can be accessed just like > other registers in the processor. > > Regards, > Shine Mohamed Jabbar > > On Sat, 2004-07-31 at 17:48, Vinay Salotagi wrote: > > Hi > > > > Can any boby tell me how can I get GPIO register's base address and map it, > > so that I can have access to the registers....... > > > > > > > > > > SASKEN BUSINESS DISCLAIMER > > This message may contain confidential, proprietary or legally Privileged information. In case you are not the original intended Recipient of the message, you must not, directly or indirectly, use, Disclose, distribute, print, or copy any part of this message and you are requested to delete it and inform the sender. Any views expressed in this message are those of the individual sender unless otherwise stated. Nothing contained in this message shall be construed as an offer or acceptance of any offer by Sasken Communication Technologies Limited ("Sasken") unless sent with that express intent and with due authority of Sasken. Sasken has taken enough precautions to prevent the spread of viruses. However the company accepts no liability for any damage caused by any virus transmitted by this email. > > > > -- > > Kernelnewbies: Help each other learn about the Linux kernel. > > Archive: http://mail.nl.linux.org/kernelnewbies/ > > FAQ: http://kernelnewbies.org/faq/ > > > > > > > -- > Kernelnewbies: Help each other learn about the Linux kernel. > Archive: http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/