Re: [coreboot] Yet another idea of an SPI flash chip programmer

2008-12-26 Thread FENG Yu Ning
On Wed, Dec 24, 2008 at 2:24 AM, Peter Stuge pe...@stuge.se wrote: FENG Yu Ning wrote: but here it is: http://www.dediprog.com/SPI-flash-accessories/SPI-Flash-Socket-8pin I have contacted with the company and I am told the MOQ is 10. Shipping fee is high except for Taiwan. Nice! I sent

Re: [coreboot] Yet another idea of an SPI flash chip programmer

2008-12-24 Thread FENG Yu Ning
On Wed, Dec 24, 2008 at 2:24 AM, Peter Stuge pe...@stuge.se wrote: FENG Yu Ning wrote: my spec would be: 3 mins - 8Mbit. Ok. That's a good approximate goal. Let's see how to write SST25VF080B in 2.5 min = 150 s. ... 8388608 / 2 * 24 = 100663296 + 32 = 100663328 total clocks SST25VF080B has

Re: [coreboot] Yet another idea of an SPI flash chip programmer

2008-12-24 Thread Peter Stuge
FENG Yu Ning wrote: Ok. That's a good approximate goal. Let's see how to write SST25VF080B in 2.5 min = 150 s. ... 8388608 / 2 * 24 = 100663296 + 32 = 100663328 total clocks SST25VF080B has a size of 8M bits. Therefore I think the dividend (size in bytes) should be 1048576 instead of

Re: [coreboot] Yet another idea of an SPI flash chip programmer

2008-12-23 Thread FENG Yu Ning
On Mon, Dec 22, 2008 at 10:42 PM, Peter Stuge pe...@stuge.se wrote: FENG Yu Ning wrote: I would like a programmer to be: * able to program SPI flash chips, * not slow (program 512k bytes in 3 mins), Can you specify your speed requirement? What would be acceptable? It's easier to

Re: [coreboot] Yet another idea of an SPI flash chip programmer

2008-12-23 Thread Peter Stuge
FENG Yu Ning wrote: Any one know about this? http://www.wieson.com/product_show_lst.php?PID=858TypeName=ConnectorssubTypeName=SPI I think it is very useful for soldered SPI flashes. Sure thing. Good work finding that! :) I wonder how easy these are to order.. FENG Yu Ning wrote:

Re: [coreboot] Yet another idea of an SPI flash chip programmer

2008-12-23 Thread FENG Yu Ning
On Tue, Dec 23, 2008 at 10:40 PM, Peter Stuge pe...@stuge.se wrote: I wonder how easy these are to order.. I did not post this because I felt it was like advertising, but here it is: http://www.dediprog.com/SPI-flash-accessories/SPI-Flash-Socket-8pin I have contacted with the company and I

Re: [coreboot] Yet another idea of an SPI flash chip programmer

2008-12-23 Thread Peter Stuge
FENG Yu Ning wrote: I wonder how easy these are to order.. I did not post this because I felt it was like advertising, I encourage vendor information on the list as long as the products haven't been mentioned before and are relevant to coreboot. Even advertising (your own products and

Re: [coreboot] Yet another idea of an SPI flash chip programmer

2008-12-23 Thread Peter Stuge
Joseph Smith wrote: I'm looking forward to hearing more about this. When your programmer is finished we should look closer at how to make plugins for flashrom. Sure. I am looking forward to coding again. With that said I think we may want to collaborate on a parallel port standard

[coreboot] Yet another idea of an SPI flash chip programmer

2008-12-22 Thread FENG Yu Ning
There are lots of flash programmer out there, but none of them (those I know about) fits my requirement well. I would like a programmer to be: * able to program SPI flash chips, * not slow (program 512k bytes in 3 mins), * with a driver whose source code is available (or not difficult to

Re: [coreboot] Yet another idea of an SPI flash chip programmer

2008-12-22 Thread Joseph Smith
On Mon, 22 Dec 2008 19:45:00 +0800, FENG Yu Ning fengyuning1...@gmail.com wrote: There are lots of flash programmer out there, but none of them (those I know about) fits my requirement well. I would like a programmer to be: * able to program SPI flash chips, * not slow (program 512k

Re: [coreboot] Yet another idea of an SPI flash chip programmer

2008-12-22 Thread Carl-Daniel Hailfinger
On 22.12.2008 15:13, Joseph Smith wrote: On Mon, 22 Dec 2008 19:45:00 +0800, FENG Yu Ning fengyuning1...@gmail.com wrote: There are lots of flash programmer out there, but none of them (those I know about) fits my requirement well. I would like a programmer to be: * able to program

Re: [coreboot] Yet another idea of an SPI flash chip programmer

2008-12-22 Thread Tom Sylla
This will definitely work, a couple of years ago, we researched this exact setup. Our plan was to put headers on the motherboards were we deisnging, to have an easy de-bricking mechanism. A co-worker wrote a windows SPI flasher in a day or so. I have seen that exact device used to program SPI

Re: [coreboot] Yet another idea of an SPI flash chip programmer

2008-12-22 Thread Peter Stuge
FENG Yu Ning wrote: I would like a programmer to be: * able to program SPI flash chips, * not slow (program 512k bytes in 3 mins), Can you specify your speed requirement? What would be acceptable? It's easier to calculate backwards then. * with a driver whose source code is available

Re: [coreboot] Yet another idea of an SPI flash chip programmer

2008-12-22 Thread Joseph Smith
I am actually making an LPC ROM reader/writer from a FT245 (similar to paraflasher, but using USB instead of parallel) Both windows and linux support for the devices is very good. Very Cool, I would be quite interested in seeing how you do this. -- Thanks, Joseph Smith Set-Top-Linux