4 * Copyright (C) 2013 Jonas Gorski <jogo@openwrt.org>
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #include <linux/init.h>
20 #include <linux/kernel.h>
21 #include <linux/phy.h>
23 #define B53_PSEUDO_PHY 0x1e /* Register Access Pseudo PHY */
25 #define B53_BRCM_OUI_1 0x0143bc00
26 #define B53_BRCM_OUI_2 0x03625c00
28 static int b53_phy_fixup(struct phy_device
*dev
)
31 struct mii_bus
*bus
= dev
->bus
;
33 if (dev
->addr
!= B53_PSEUDO_PHY
)
36 /* read the first port's id */
37 phy_id
= mdiobus_read(bus
, 0, 2) << 16;
38 phy_id
|= mdiobus_read(bus
, 0, 3);
40 if ((phy_id
& 0xfffffc00) == B53_BRCM_OUI_1
||
41 (phy_id
& 0xfffffc00) == B53_BRCM_OUI_2
) {
48 int __init
b53_phy_fixup_register(void)
50 return phy_register_fixup_for_id(PHY_ANY_ID
, b53_phy_fixup
);
53 subsys_initcall(b53_phy_fixup_register
);