On Sun, Nov 15, 2009 at 06:13:29PM +0100, [email protected] wrote:
> Author: hailfinger
> Date: 2009-11-15 18:13:29 +0100 (Sun, 15 Nov 2009)
> New Revision: 759
> static int enable_flash_sis630(struct pci_dev *dev, const char *name)
> /* First probe for Super I/O on config port 0x2e. */
> - OUTB(0x87, 0x2e);
> - OUTB(0x01, 0x2e);
> - OUTB(0x55, 0x2e);
> - OUTB(0x55, 0x2e);
> + siobase = 0x2e;
> + enter_conf_mode_ite(siobase);
>
> - if (INB(0x2f) != 0x87) {
> + if (INB(siobase + 1) != 0x87) {
> /* If that failed, try config port 0x4e. */
> - OUTB(0x87, 0x4e);
> - OUTB(0x01, 0x4e);
> - OUTB(0x55, 0x4e);
> - OUTB(0xaa, 0x4e);
> - if (INB(0x4f) != 0x87) {
> - printf("Can not access SiS 950\n");
> + siobase = 0x4e;
> + enter_conf_mode_ite(siobase);
> + if (INB(siobase + 1) != 0x87) {
> + printf("Can not find SuperI/O.\n");
> return -1;
> }
> - OUTB(0x24, 0x4e);
> - b = INB(0x4f) | 0xfc;
> - OUTB(0x24, 0x4e);
> - OUTB(b, 0x4f);
> - OUTB(0x02, 0x4e);
> - OUTB(0x02, 0x4f);
> }
>
> - OUTB(0x24, 0x2e);
> - printf_debug("2f is %#x\n", INB(0x2f));
> - b = INB(0x2f) | 0xfc;
> - OUTB(0x24, 0x2e);
> - OUTB(b, 0x2f);
> + /* Enable flash mapping. Works for most old ITE style SuperI/O. */
> + tmp = sio_read(siobase, 0x24);
> + tmp |= 0xfc;
> + sio_write(siobase, 0x24, tmp);
>
> - OUTB(0x02, 0x2e);
> - OUTB(0x02, 0x2f);
> + exit_conf_mode_ite(siobase);
>
> - return 0;
> + return ret;
> }
Superio code in the chipset enable... Needs to be moved out, some VT823x
based boards also require the same stuff.
Maybe we need a superio_enable.c, which not only sets bits like that
(some winbonds need the same) but which also contain the gpio specific
routines.
Luc Verhaegen.
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