Implement pm3386 reset. A reset zeroes out the internally stored MAC
addresses, so we need to save and reload them by hand.
Signed-off-by: Lennert Buytenhek <[EMAIL PROTECTED]>
diff -urN linux-2.6.15-rc1.upstream.orig/drivers/net/ixp2000/pm3386.c
linux-2.6.15-rc1.upstream/drivers/net/ixp2000/pm3386.c
--- linux-2.6.15-rc1.upstream.orig/drivers/net/ixp2000/pm3386.c 2005-11-22
12:50:33.000000000 +0100
+++ linux-2.6.15-rc1.upstream/drivers/net/ixp2000/pm3386.c 2005-11-22
12:50:39.000000000 +0100
@@ -89,7 +89,37 @@
void pm3386_reset(void)
{
- /* @@@ Implement me. */
+ u8 mac[3][6];
+
+ /* Save programmed MAC addresses. */
+ pm3386_get_mac(0, mac[0]);
+ pm3386_get_mac(1, mac[1]);
+ pm3386_get_mac(2, mac[2]);
+
+ /* Assert analog and digital reset. */
+ pm3386_reg_write(0, 0x002, 0x0060);
+ pm3386_reg_write(1, 0x002, 0x0060);
+ mdelay(1);
+
+ /* Deassert analog reset. */
+ pm3386_reg_write(0, 0x002, 0x0062);
+ pm3386_reg_write(1, 0x002, 0x0062);
+ mdelay(10);
+
+ /* Deassert digital reset. */
+ pm3386_reg_write(0, 0x002, 0x0063);
+ pm3386_reg_write(1, 0x002, 0x0063);
+ mdelay(10);
+
+ /* Restore programmed MAC addresses. */
+ pm3386_set_mac(0, mac[0]);
+ pm3386_set_mac(1, mac[1]);
+ pm3386_set_mac(2, mac[2]);
+
+ /* Disable carrier on all ports. */
+ pm3386_set_carrier(0, 0);
+ pm3386_set_carrier(1, 0);
+ pm3386_set_carrier(2, 0);
}
static u16 swaph(u16 x)
-
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