From: Heilpern, M. <mar...@au...> - 2005-10-21 15:32:18
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Looking in /proc/iomem, I see three address ranges for PCMCIA. Based on the instructions to disable MMC and enable CF including letting S30pcmcia start, I think this might be the right place to be looking. The ranges are for "io", "attribute", and "memory" (with memory being 0x2c000000 to 0x2fffffff). My proprietary device will look like memory with two responsive addresses, and usually just sits on the address/data bus. If I understand CF, it will continue to work the same, as long as I can figure out the address range to use. -----Original Message----- From: gum...@li... [mailto:gum...@li...] On Behalf Of Heilpern, Mark Sent: Wednesday, October 19, 2005 4:06 PM To: gum...@li... Subject: [Gumstix-users] Addressing the CF slot I have an 8 bit memory mapped device with two ports which I would like to access through the CF slot on my NetCF. The direct access will be done at the module/driver level.=20 Is there a defined address to get to the CF device's address/data? What part of that address is passed into the CF device for device based addressing? Are there any issues since my device will only assert 8 bits on the data bus, and can these be programmed around or do I need to perform 16 bit reads and mask out the extra bits? Thanks much... mah _______________________________________________________ NOTE: The information in this message is intended for the personal and = confidential use of the designated recipient(s) named above. To the extent the = recipient(s) is/are bound by a non-disclosure agreement, or other agreement that contains an = obligation of confidentiality, with AuthenTec, then this message and/or any = attachments shall be considered confidential information and subject to the confidentiality = terms of that agreement. If the reader of this message is not the intended recipient = named above, you are notified that you have received this document in error, and any = review, dissemination, distribution or copying of this message is strictly prohibited. If you = have received this document in error, please delete the original message and notify the = sender immediately. Thank you. AuthenTec, Inc. http://www.authentec.com |