diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2007-12-05 11:14:28 +1100 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-12-07 15:09:06 -0500 |
| commit | 1f57877a39105ec4d99d63d02058f6db6ca6abe0 (patch) | |
| tree | e975e9f66a8b66687b66d32f00160c9fcc98d699 | |
| parent | 911b237d7d327db5371a762f4d8d8cd9ea763662 (diff) | |
ibm_newemac: Cleanup/Fix RGMII MDIO support detection
More than just "AXON" version of EMAC RGMII supports MDIO, so replace
the current test with a generic property in the device-tree that
indicates such support.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Stefan Roese <sr@denx.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | arch/powerpc/boot/dts/sequoia.dts | 1 | ||||
| -rw-r--r-- | drivers/net/ibm_newemac/rgmii.c | 20 | ||||
| -rw-r--r-- | drivers/net/ibm_newemac/rgmii.h | 5 |
3 files changed, 15 insertions, 11 deletions
diff --git a/arch/powerpc/boot/dts/sequoia.dts b/arch/powerpc/boot/dts/sequoia.dts index 8833dfe2e8b..3d0dfaecc7b 100644 --- a/arch/powerpc/boot/dts/sequoia.dts +++ b/arch/powerpc/boot/dts/sequoia.dts @@ -245,6 +245,7 @@ device_type = "rgmii-interface"; compatible = "ibm,rgmii-440epx", "ibm,rgmii"; reg = <ef601000 8>; + has-mdio; }; EMAC0: ethernet@ef600e00 { diff --git a/drivers/net/ibm_newemac/rgmii.c b/drivers/net/ibm_newemac/rgmii.c index de416951a43..32872697858 100644 --- a/drivers/net/ibm_newemac/rgmii.c +++ b/drivers/net/ibm_newemac/rgmii.c @@ -140,7 +140,7 @@ void rgmii_get_mdio(struct of_device *ofdev, int input) RGMII_DBG2(dev, "get_mdio(%d)" NL, input); - if (dev->type != RGMII_AXON) + if (!(dev->flags & EMAC_RGMII_FLAG_HAS_MDIO)) return; mutex_lock(&dev->lock); @@ -161,7 +161,7 @@ void rgmii_put_mdio(struct of_device *ofdev, int input) RGMII_DBG2(dev, "put_mdio(%d)" NL, input); - if (dev->type != RGMII_AXON) + if (!(dev->flags & EMAC_RGMII_FLAG_HAS_MDIO)) return; fer = in_be32(&p->fer); @@ -250,11 +250,13 @@ static int __devinit rgmii_probe(struct of_device *ofdev, goto err_free; } - /* Check for RGMII type */ + /* Check for RGMII flags */ + if (of_get_property(ofdev->node, "has-mdio", NULL)) + dev->flags |= EMAC_RGMII_FLAG_HAS_MDIO; + + /* CAB lacks the right properties, fix this up */ if (of_device_is_compatible(ofdev->node, "ibm,rgmii-axon")) - dev->type = RGMII_AXON; - else - dev->type = RGMII_STANDARD; + dev->flags |= EMAC_RGMII_FLAG_HAS_MDIO; DBG2(dev, " Boot FER = 0x%08x, SSR = 0x%08x\n", in_be32(&dev->base->fer), in_be32(&dev->base->ssr)); @@ -263,9 +265,9 @@ static int __devinit rgmii_probe(struct of_device *ofdev, out_be32(&dev->base->fer, 0); printk(KERN_INFO - "RGMII %s %s initialized\n", - dev->type == RGMII_STANDARD ? "standard" : "axon", - ofdev->node->full_name); + "RGMII %s initialized with%s MDIO support\n", + ofdev->node->full_name, + (dev->flags & EMAC_RGMII_FLAG_HAS_MDIO) ? "" : "out"); wmb(); dev_set_drvdata(&ofdev->dev, dev); diff --git a/drivers/net/ibm_newemac/rgmii.h b/drivers/net/ibm_newemac/rgmii.h index 57806833121..44a0f201064 100644 --- a/drivers/net/ibm_newemac/rgmii.h +++ b/drivers/net/ibm_newemac/rgmii.h @@ -35,8 +35,9 @@ struct rgmii_regs { struct rgmii_instance { struct rgmii_regs __iomem *base; - /* Type of RGMII bridge */ - int type; + /* RGMII bridge flags */ + int flags; +#define EMAC_RGMII_FLAG_HAS_MDIO 0x00000001 /* Only one EMAC whacks us at a time */ struct mutex lock; |