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@@ -72,28 +72,10 @@ MODULE_PARM_DESC(nowayout,
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static void w83627hf_select_wd_register(void)
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{
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- unsigned char c;
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outb_p(0x87, WDT_EFER); /* Enter extended function mode */
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outb_p(0x87, WDT_EFER); /* Again according to manual */
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-
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- outb(0x20, WDT_EFER); /* check chip version */
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- c = inb(WDT_EFDR);
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- if (c == 0x82) { /* W83627THF */
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- outb_p(0x2b, WDT_EFER); /* select GPIO3 */
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- c = ((inb_p(WDT_EFDR) & 0xf7) | 0x04); /* select WDT0 */
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- outb_p(0x2b, WDT_EFER);
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- outb_p(c, WDT_EFDR); /* set GPIO3 to WDT0 */
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- } else if (c == 0x88 || c == 0xa0) { /* W83627EHF / W83627DHG */
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- outb_p(0x2d, WDT_EFER); /* select GPIO5 */
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- c = inb_p(WDT_EFDR) & ~0x01; /* PIN77 -> WDT0# */
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- outb_p(0x2d, WDT_EFER);
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- outb_p(c, WDT_EFDR); /* set GPIO5 to WDT0 */
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- }
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-
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outb_p(0x07, WDT_EFER); /* point to logical device number reg */
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outb_p(0x08, WDT_EFDR); /* select logical device 8 (GPIO2) */
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- outb_p(0x30, WDT_EFER); /* select CR30 */
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- outb_p(0x01, WDT_EFDR); /* set bit 0 to activate GPIO2 */
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}
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static void w83627hf_unselect_wd_register(void)
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@@ -110,6 +92,23 @@ static void w83627hf_init(struct watchdog_device *wdog)
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w83627hf_select_wd_register();
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+ outb(0x20, WDT_EFER); /* check chip version */
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+ t = inb(WDT_EFDR);
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+ if (t == 0x82) { /* W83627THF */
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+ outb_p(0x2b, WDT_EFER); /* select GPIO3 */
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+ t = ((inb_p(WDT_EFDR) & 0xf7) | 0x04); /* select WDT0 */
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+ outb_p(0x2b, WDT_EFER);
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+ outb_p(t, WDT_EFDR); /* set GPIO3 to WDT0 */
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+ } else if (t == 0x88 || t == 0xa0) { /* W83627EHF / W83627DHG */
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+ outb_p(0x2d, WDT_EFER); /* select GPIO5 */
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+ t = inb_p(WDT_EFDR) & ~0x01; /* PIN77 -> WDT0# */
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+ outb_p(0x2d, WDT_EFER);
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+ outb_p(t, WDT_EFDR); /* set GPIO5 to WDT0 */
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+ }
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+
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+ outb_p(0x30, WDT_EFER); /* select CR30 */
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+ outb_p(0x01, WDT_EFDR); /* set bit 0 to activate GPIO2 */
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+
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outb_p(0xF6, WDT_EFER); /* Select CRF6 */
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t = inb_p(WDT_EFDR); /* read CRF6 */
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if (t != 0) {
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