[LinuxBIOS] GA-M57SLI SPI support

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Sun Sep 23 20:20:32 CEST 2007

On 23.09.2007 18:39, Carl-Daniel Hailfinger wrote:
> Hi,
> this new thread is here just to get some early testing and info on the
> GA-M57SLI SPI flash.
> The IT8716F is indeed used for LPC-to-SPI translation as I supected.
> LDN 0x0, reg 0x24: val=0x1a
>   serial flash interface at pin 29
>   LPC write to serial flash enabled
>   512kByte of flash are mapped at top of 4GByte
>   128kByte of flash are mapped at top of 1MByte
>   (1152kByte can be mapped at most)
> LDN 0x7, reg 0x64/0x65: val=0x08/0x20
>   serial flash interface base addr 0x0820 (that's an I/O port)
> What I need:
> * Byte reads from all ports between 0x0820-0x0827 on the SPI version of
> the GA-M57SLI under factory BIOS. Should be harmless.
> * Exact type of SPI flash chip (datasheet link would be nice)

MX25L4005 from Macronix

> * Volunteer who can reflash manually once my writing code is ready.


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