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[PATCH] ppc64: Add new PHY to sungem

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This patch adds support for some new PHY models to sungem as used on some
recent Apple iMac G5 models.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Benjamin Herrenschmidt 2005-07-07 17:56:09 -07:00 committed by Linus Torvalds
parent 155ad605b3
commit 3c326fe9cb
3 changed files with 56 additions and 20 deletions
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4
drivers/net/sungem.c
View File

@ -3079,7 +3079,9 @@ static int __devinit gem_init_one(struct pci_dev *pdev,
gp->phy_mii.dev = dev;
gp->phy_mii.mdio_read = _phy_read;
gp->phy_mii.mdio_write = _phy_write;
#ifdef CONFIG_PPC_PMAC
gp->phy_mii.platform_data = gp->of_node;
#endif
/* By default, we start with autoneg */
gp->want_autoneg = 1;

69
drivers/net/sungem_phy.c
View File

@ -32,6 +32,10 @@
#include <linux/ethtool.h>
#include <linux/delay.h>
#ifdef CONFIG_PPC_PMAC
#include <asm/prom.h>
#endif
#include "sungem_phy.h"
/* Link modes of the BCM5400 PHY */
@ -281,10 +285,12 @@ static int bcm5411_suspend(struct mii_phy* phy)
static int bcm5421_init(struct mii_phy* phy)
{
u16 data;
int rev;
unsigned int id;
rev = phy_read(phy, MII_PHYSID2) & 0x000f;
if (rev == 0) {
id = (phy_read(phy, MII_PHYSID1) << 16 | phy_read(phy, MII_PHYSID2));
/* Revision 0 of 5421 needs some fixups */
if (id == 0x002060e0) {
/* This is borrowed from MacOS
*/
phy_write(phy, 0x18, 0x1007);
@ -297,21 +303,28 @@ static int bcm5421_init(struct mii_phy* phy)
data = phy_read(phy, 0x15);
phy_write(phy, 0x15, data | 0x0200);
}
#if 0
/* This has to be verified before I enable it */
/* Enable automatic low-power */
phy_write(phy, 0x1c, 0x9002);
phy_write(phy, 0x1c, 0xa821);
phy_write(phy, 0x1c, 0x941d);
#endif
return 0;
}
static int bcm5421k2_init(struct mii_phy* phy)
{
/* Init code borrowed from OF */
phy_write(phy, 4, 0x01e1);
phy_write(phy, 9, 0x0300);
/* Pick up some init code from OF for K2 version */
if ((id & 0xfffffff0) == 0x002062e0) {
phy_write(phy, 4, 0x01e1);
phy_write(phy, 9, 0x0300);
}
/* Check if we can enable automatic low power */
#ifdef CONFIG_PPC_PMAC
if (phy->platform_data) {
struct device_node *np = of_get_parent(phy->platform_data);
int can_low_power = 1;
if (np == NULL || get_property(np, "no-autolowpower", NULL))
can_low_power = 0;
if (can_low_power) {
/* Enable automatic low-power */
phy_write(phy, 0x1c, 0x9002);
phy_write(phy, 0x1c, 0xa821);
phy_write(phy, 0x1c, 0x941d);
}
}
#endif /* CONFIG_PPC_PMAC */
return 0;
}
@ -762,7 +775,7 @@ static struct mii_phy_def bcm5421_phy_def = {
/* Broadcom BCM 5421 built-in K2 */
static struct mii_phy_ops bcm5421k2_phy_ops = {
.init = bcm5421k2_init,
.init = bcm5421_init,
.suspend = bcm5411_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
@ -779,6 +792,25 @@ static struct mii_phy_def bcm5421k2_phy_def = {
.ops = &bcm5421k2_phy_ops
};
/* Broadcom BCM 5462 built-in Vesta */
static struct mii_phy_ops bcm5462V_phy_ops = {
.init = bcm5421_init,
.suspend = bcm5411_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
.read_link = bcm54xx_read_link,
};
static struct mii_phy_def bcm5462V_phy_def = {
.phy_id = 0x002060d0,
.phy_id_mask = 0xfffffff0,
.name = "BCM5462-Vesta",
.features = MII_GBIT_FEATURES,
.magic_aneg = 1,
.ops = &bcm5462V_phy_ops
};
/* Marvell 88E1101 (Apple seem to deal with 2 different revs,
* I masked out the 8 last bits to get both, but some specs
* would be useful here) --BenH.
@ -824,6 +856,7 @@ static struct mii_phy_def* mii_phy_table[] = {
&bcm5411_phy_def,
&bcm5421_phy_def,
&bcm5421k2_phy_def,
&bcm5462V_phy_def,
&marvell_phy_def,
&genmii_phy_def,
NULL

3
drivers/net/sungem_phy.h
View File

@ -43,9 +43,10 @@ struct mii_phy
int pause;
/* Provided by host chip */
struct net_device* dev;
struct net_device *dev;
int (*mdio_read) (struct net_device *dev, int mii_id, int reg);
void (*mdio_write) (struct net_device *dev, int mii_id, int reg, int val);
void *platform_data;
};
/* Pass in a struct mii_phy with dev, mdio_read and mdio_write