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| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2005-11-23 12:49:55 +0100 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-12-01 02:25:27 -0500 |
| commit | c6e429bdd6f0142558896e29c21a526c1ffdd1f3 (patch) | |
| tree | 1577129f1762d81b5e54600768289d6ebb270aec /drivers/net/ixp2000 | |
| parent | df86550602f320d28fdaeb577c25f9821525bfa0 (diff) | |
| download | blackbird-obmc-linux-c6e429bdd6f0142558896e29c21a526c1ffdd1f3.tar.gz blackbird-obmc-linux-c6e429bdd6f0142558896e29c21a526c1ffdd1f3.zip | |
[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 <buytenh@wantstofly.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/net/ixp2000')
| -rw-r--r-- | drivers/net/ixp2000/pm3386.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/net/ixp2000/pm3386.c b/drivers/net/ixp2000/pm3386.c index ec70b1d553e3..5c7ab7564053 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) |
