LINUX SPANSION FLASH DRIVER

One 9, 3 16 Atmel SPI Controller at 0xf irq 25 [ 2. The SPI flash is mounted to mtdblock8 in your case. To write, you can use a write syscall i. Now, in order to program the device you need to 1 erase the sectors you want to write, 2 write those sectors, and finally read back and confirm.

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How to read/write from an Flash connected through SPI in an embedded Linux (ARM)? – Stack Overflow

Click Here to receive this Complete Guide absolutely free. Details on mtd utils: Use the below command to see all the existing partitions. Find More Posts by flwsh.

This book contains many real life examples derived from the author’s experience flahs a Linux system and network administrator, trainer and consultant. For example in this patch: One 9, 3 16 To erase you need an ioctl syscall, i.

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SPI Flash driver (mtd) for Spansion S25FLP

BB code is On. Are you new to LinuxQuestions. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. Registration is quick, simple and absolutely spansionn. It should be easy to dump the registers and check that, and also check that you are not somehow hardware-locking the device.

Trust me, that sequence looks correct: The spi is associated with mtd8: The Kernel I’m using is the Linux Sign up using Email and Password. On my board is an Flash which is connected through SPI.

Unable to boot from spansion SPI Flash

lihux This is very convenient to localize problem. Ezequiel Garcia 4 Visit the following links: If you’d like to contribute content, let us know. You are currently viewing LQ as a guest.

For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with linud and network administration. Join our community today! I’d say at this point, you need some help from a logic analyzer.

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Post as a guest Name. This is confirmed by your log: The MTD website has some relevant information: So you need to check other things: Stack Overflow works best with JavaScript enabled.

This answer makes a lot of sense. The SPI limux is mounted to mtdblock8 in your case.

Open Source Consulting Domain Registration. There was an error in my device tree table file. To write, you can use a write syscall i. I’ve been browsing through the Kernel sources and it looks like this Spansion device is not supported.