From c6e429bdd6f0142558896e29c21a526c1ffdd1f3 Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Wed, 23 Nov 2005 12:49:55 +0100 Subject: [PATCH] pm3386: implement reset 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 Signed-off-by: Jeff Garzik --- drivers/net/ixp2000/pm3386.c | 32 +++++++++++++++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) (limited to 'drivers/net/ixp2000') diff --git a/drivers/net/ixp2000/pm3386.c b/drivers/net/ixp2000/pm3386.c index ec70b1d553e..5c7ab756405 100644 --- a/drivers/net/ixp2000/pm3386.c +++ b/drivers/net/ixp2000/pm3386.c @@ -89,7 +89,37 @@ static void pm3386_port_reg_write(int port, int _reg, int spacing, u16 value) 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) -- cgit v1.2.3