Am Montag, 15. Oktober 2007 02:57:00 schrieb Stefan Reinauer: > * 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. yes, it does!
> I think we should create an abstraction would be good. > 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. i also think that the spi programming is fairly generic on SPI flash devices. > > Stefan regards, Harald -- linuxbios mailing list linuxbios@linuxbios.org http://www.linuxbios.org/mailman/listinfo/linuxbios