Difference between revisions of "Minnowboard:SPI Boot flash"
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the [[Minnowboard:MinnowBoard|MinnowBoard]] uses a SPI based serial flash memory to load the initial code into the Intel Atom E640 series processor. The MinnowBoard uses a WinBond W25Q32 ([[media:winbond-w25q32.pdf|datasheet]]) which has a total of 4096KB of storage which can be flashed with a UEFI image or other custom firmware. | the [[Minnowboard:MinnowBoard|MinnowBoard]] uses a SPI based serial flash memory to load the initial code into the Intel Atom E640 series processor. The MinnowBoard uses a WinBond W25Q32 ([[media:winbond-w25q32.pdf|datasheet]]) which has a total of 4096KB of storage which can be flashed with a UEFI image or other custom firmware. | ||
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the MinnowBoard has a 2x4 header that has 0.1" spacing for programming the SPI based serial flash memory. | the MinnowBoard has a 2x4 header that has 0.1" spacing for programming the SPI based serial flash memory. | ||
− | + | {|border="3" | |
+ | |+Programming Header | ||
+ | !Pin number||Main Function||Note | ||
+ | |- | ||
+ | | 1 | ||
+ | | +3.3V Power | ||
+ | | Supports on +3.3V | ||
+ | |- | ||
+ | | 2 | ||
+ | | GND | ||
+ | | system ground | ||
+ | |- | ||
+ | | 3 | ||
+ | | nCS | ||
+ | | Chip Select Active Low | ||
+ | |- | ||
+ | | 4 | ||
+ | | SCK | ||
+ | | SPI Clock | ||
+ | |- | ||
+ | | 5 | ||
+ | | MISO | ||
+ | | Data Output from serial flash | ||
+ | |- | ||
+ | | 6 | ||
+ | | MOSI | ||
+ | | Data Input to serial flash | ||
+ | |- | ||
+ | | 7 | ||
+ | | NC | ||
+ | | No Connection | ||
+ | |- | ||
+ | | 8 | ||
+ | | nPRG_EN | ||
+ | | Program Enable Active Low | ||
+ | |} | ||
+ | |||
+ | = Applications and Hardware = | ||
+ | |||
+ | *[http://flashrom.org/Flashrom Flashrom] is an open source utility that allows you to work with the SPI based serial flash memory on the MinnowBoard. | ||
+ | * Flashrom supports a wide range of flash devices ([http://flashrom.org/Supported_hardware Supported Hardware]) including the WinBond W25Q32. | ||
+ | * Flashrom can automatically detect the presence of the WinBond W25Q32 and provide full read/erase/write functionality. | ||
+ | * Flashrom can use the many open as well as proprietary hardware tools such as | ||
+ | ** [http://www.dlpdesign.com/usb/2232h.shtml DLP-2232H] from [http://www.dlpdesign.com DLPDesign] | ||
+ | ** [http://www.ftdichip.com/Products/ICs/FT2232H.htm FTDI FT2232H] generic breakout boards | ||
+ | ** [[Flyswatter2]] from [http://www.tincantools.com TinCanTools] | ||
+ | ** [http://dangerousprototypes.com/docs/Bus_Pirate Bus Pirate] from [http://www.dangerousprototypes.com Dangerous Prototypes] | ||
+ | ** [http://www.dediprog.com/SPI-flash-in-circuit-programming/ISP-Evaluation-Kit SF100] from [http://www.dediprog.com DediProg] | ||
+ | ** [https://www.kernel.org/doc/Documentation/spi/spidev SPIDev] userspace interface for the Linux Kernel | ||
+ | |||
− | |||
− | [ | + | [[Category: MinnowBoard]] |
+ | [[Category: CircuitCo]] |
Revision as of 14:26, 15 May 2013
the MinnowBoard uses a SPI based serial flash memory to load the initial code into the Intel Atom E640 series processor. The MinnowBoard uses a WinBond W25Q32 (datasheet) which has a total of 4096KB of storage which can be flashed with a UEFI image or other custom firmware.
Programming Interface
the MinnowBoard has a 2x4 header that has 0.1" spacing for programming the SPI based serial flash memory.
Pin number | Main Function | Note |
---|---|---|
1 | +3.3V Power | Supports on +3.3V |
2 | GND | system ground |
3 | nCS | Chip Select Active Low |
4 | SCK | SPI Clock |
5 | MISO | Data Output from serial flash |
6 | MOSI | Data Input to serial flash |
7 | NC | No Connection |
8 | nPRG_EN | Program Enable Active Low |
Applications and Hardware
- Flashrom is an open source utility that allows you to work with the SPI based serial flash memory on the MinnowBoard.
- Flashrom supports a wide range of flash devices (Supported Hardware) including the WinBond W25Q32.
- Flashrom can automatically detect the presence of the WinBond W25Q32 and provide full read/erase/write functionality.
- Flashrom can use the many open as well as proprietary hardware tools such as
- DLP-2232H from DLPDesign
- FTDI FT2232H generic breakout boards
- Flyswatter2 from TinCanTools
- Bus Pirate from Dangerous Prototypes
- SF100 from DediProg
- SPIDev userspace interface for the Linux Kernel