Changeset 5125

Timestamp:

Feb 14, 2010 5:13:03 PM (3 years ago)

Author:

uwe

Message:

Add w83627hf_set_clksel_48() function which sets CLKSEL to 48MHz.

The Win Ent platforms are using the Winbond W83627HG part, but this part does
not appear to enable 48MHz clock by default as claimed in the datasheet.

Signed-off-by: Anish K Patel <anishp@…>
Acked-by: Uwe Hermann <uwe@…>

File:

• trunk/src/superio/winbond/w83627hf/w83627hf_early_serial.c (modified) (1 diff)

trunk/src/superio/winbond/w83627hf/w83627hf_early_serial.c

@@ -46 +46 @@
         pnp_exit_ext_func_mode(dev);
 }
+
+static void w83627hf_set_clksel_48(device_t dev)
+{
+        unsigned port = dev >> 8;
+        pnp_enter_ext_func_mode(dev);
+        outb(0x24, port);
+        /* Set CLKSEL (clock input on pin 1) to 48MHz. */
+        outb(inb(port + 1) | (1 << 6), port + 1);
+        pnp_exit_ext_func_mode(dev);
+}