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04:57.01 | CapnKernel | Still having trouble getting Linux to recognise the AT45DB642 dataflash on my AT91SAM9260-EK board... :-( |
05:04.23 | CapnKernel | http://www.pastebin.ca/1186028 |
05:09.00 | CapnKernel | I can see that dataflash_init() is being called. |
05:09.28 | CapnKernel | In the "other" webpage I quoted, what causes the SPI code to find the dataflash? |
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06:04.11 | CapnKernel | Hello, anyone here? |
06:15.52 | HcE | jupp |
06:40.36 | CapnKernel | Sorry, back now. |
06:40.45 | CapnKernel | I'm still having trouble getting Linux to recognise the AT45DB642 dataflash on my AT91SAM9260-EK board. |
06:40.54 | CapnKernel | http://www.pastebin.ca/1186028 |
06:41.37 | HcE | mtd_dataflash spi0.1: AT45DB642x (8448 KBytes) |
06:41.40 | HcE | seems good |
06:43.53 | CapnKernel | Hans-Christian, the other day you asked me "do you have a spi_board_info struct in your board code". The answer is yes, in arch/arm/mach-at91/board-sam9260ek.c. |
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06:46.09 | HcE | CapnKernel: 1) could you post your board code and kernel .config on pastebin? 2) Please use HcE to prefix me, since my IRC client will highlight the line then |
06:48.14 | CapnKernel | Can you please explain "Please use HcE to prefix me"? (IRC/Pastebin newbie) |
06:48.26 | CapnKernel | HcE: Like this? |
06:48.57 | HcE | CapnKernel: correct :) |
06:49.22 | HcE | then my IRC client gives your nick a nice shiny yellow colour instead of the dull light grey ;) |
06:52.23 | CapnKernel | HcE: http://www.pastebin.ca/1186097 . Board code is from stock 2.6.26.3: http://lxr.linux.no/linux+v2.6.26.3/arch/arm/mach-at91/board-sam9260ek.c#L120 |
06:54.21 | CapnKernel | The dataflash code is here: http://lxr.linux.no/linux+v2.6.26.3/drivers/mtd/devices/mtd_dataflash.c#L615 |
06:54.58 | CapnKernel | I have put printks on all the functions in mtd_dataflash.c. The only function that gets called is dataflash_init. dataflash_probe never gets called. |
06:56.57 | HcE | CapnKernel: You have defined CONFIG_MMC_AT91, and this rules out the DataFlash part of the board code |
06:57.27 | CapnKernel | Thank you. |
07:07.10 | CapnKernel | HcE: Any ideas of what to try for the before-colon part of mtdparts=? (About to try mtd_dataflash) |
07:08.30 | HcE | huh? |
07:10.58 | CapnKernel | Yay, working much better now: mtd_dataflash spi0.1: AT45DB642x (8448 KBytes) |
07:12.29 | CapnKernel | I still have to work out how to drive the cmdline mtdparts= parameter. But I will try that tomorrow. |
07:12.34 | CapnKernel | Thanks so much for your help! |
07:12.49 | CapnKernel | How did you know that CONFIG_MMC_AT91 turns off the dataflash? |
07:13.20 | CapnKernel | Oh I see, the "#if !defined(CONFIG_MMC_AT91)" |
07:14.01 | CapnKernel | HcE: Much appreciated. Home time for me now. |
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07:38.22 | HcE | CapnKernel: home time?? I just came to work :( |
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15:16.00 | CheBuzz | If I have a device running Linux that has been "Tivoized", is there anyway to access the firmware stored on the flash? I have root access to the machine. |
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18:59.14 | prpplague | CheBuzz: there a number of ways to access the system, it is generally dependent on the processor type and features |
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