This patch adds support for the 405EX to the new EMAC driver. Some as on
AXON, the 405EX handles the MDIO via the RGMII bridge.
Tested on AMCC Kilauea.
Signed-off-by: Stefan Roese <[EMAIL PROTECTED]>
---
drivers/net/ibm_newemac/core.c | 3 ++-
drivers/net/ibm_newemac/rgmii.c | 16 +++++++++++-----
drivers/net/ibm_newemac/rgmii.h | 2 +-
3 files changed, 14 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 0de3aa2..fd0a585 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -2466,7 +2466,8 @@ static int __devinit emac_init_config(struct
emac_instance *dev)
if (of_device_is_compatible(np, "ibm,emac4"))
dev->features |= EMAC_FTR_EMAC4;
if (of_device_is_compatible(np, "ibm,emac-axon")
- || of_device_is_compatible(np, "ibm,emac-440epx"))
+ || of_device_is_compatible(np, "ibm,emac-440epx")
+ || of_device_is_compatible(np, "ibm,emac-405ex"))
dev->features |= EMAC_FTR_HAS_AXON_STACR
| EMAC_FTR_STACR_OC_INVERT;
if (of_device_is_compatible(np, "ibm,emac-440spe"))
diff --git a/drivers/net/ibm_newemac/rgmii.c b/drivers/net/ibm_newemac/rgmii.c
index de41695..b9a4ce7 100644
--- a/drivers/net/ibm_newemac/rgmii.c
+++ b/drivers/net/ibm_newemac/rgmii.c
@@ -140,7 +140,12 @@ void rgmii_get_mdio(struct of_device *ofdev, int input)
RGMII_DBG2(dev, "get_mdio(%d)" NL, input);
- if (dev->type != RGMII_AXON)
+ /*
+ * Some platforms (e.g. 440GX) have RGMII support but don't use it for
+ * MDIO access. Only continue if platforms is using MDIO over the RGMII
+ * interface (e.g. AXON, 405EX).
+ */
+ if (dev->type != RGMII_HAS_MDIO)
return;
mutex_lock(&dev->lock);
@@ -161,7 +166,7 @@ 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->type != RGMII_HAS_MDIO)
return;
fer = in_be32(&p->fer);
@@ -251,8 +256,9 @@ static int __devinit rgmii_probe(struct of_device *ofdev,
}
/* Check for RGMII type */
- if (of_device_is_compatible(ofdev->node, "ibm,rgmii-axon"))
- dev->type = RGMII_AXON;
+ if (of_device_is_compatible(ofdev->node, "ibm,rgmii-axon") ||
+ of_device_is_compatible(ofdev->node, "ibm,rgmii-405ex"))
+ dev->type = RGMII_HAS_MDIO;
else
dev->type = RGMII_STANDARD;
@@ -264,7 +270,7 @@ static int __devinit rgmii_probe(struct of_device *ofdev,
printk(KERN_INFO
"RGMII %s %s initialized\n",
- dev->type == RGMII_STANDARD ? "standard" : "axon",
+ dev->type == RGMII_STANDARD ? "standard" : "has-mdio",
ofdev->node->full_name);
wmb();
diff --git a/drivers/net/ibm_newemac/rgmii.h b/drivers/net/ibm_newemac/rgmii.h
index 5780683..f1b0ef5 100644
--- a/drivers/net/ibm_newemac/rgmii.h
+++ b/drivers/net/ibm_newemac/rgmii.h
@@ -23,7 +23,7 @@
/* RGMII bridge type */
#define RGMII_STANDARD 0
-#define RGMII_AXON 1
+#define RGMII_HAS_MDIO 1
/* RGMII bridge */
struct rgmii_regs {
--
1.5.3.4.498.g9c514
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