On Mon, Oct 15, 2007 at 02:57:00AM +0200, Stefan Reinauer wrote: > * Harald Gutmann <[EMAIL PROTECTED]> [071015 02:16]: > > > > +static void check_n_write_enable() { > > > > + uint8_t result[3] = {0, 0, 0}; > > > > + uint8_t command[5] = {0x06, 0, 0, 0, 0}; > > > > + // Send WREN (Write Enable) > > > > + it8716f_spi_command(it8716f_flashport, 1, 0, command, result); > > > > + uint8_t reg=regval(it8716f_flashport,0x24); > > > > + reg|=(1<<4); > > > > + regwrite(it8716f_flashport,0x24,reg); > > > > +} > > i think some parts here could be done easyer with outb. > > This implementation of the MX25L4005 relies heavily on the chip being > attached to an IT8716F SuperIO. I think we should create an abstraction > layer (spi_command()? read_spi_status()?) that can be implemented by a > SuperIO or southbridge that has an SPI bus attached. This way we could > have fairly generic SPI flash chip drivers (most SPI chips are pretty > similar too, I think), and they could be used on a new system by just > implementing the southbridge/SuperIO specific part in some other place.
Full ack. Uwe. -- http://www.hermann-uwe.de | http://www.holsham-traders.de http://www.crazy-hacks.org | http://www.unmaintained-free-software.org
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