[U-Boot] [PATCH RFC] smc911x: enable mii commands

[Luca Ceresoli]

Signed-off-by: Luca Ceresoli <luca.ceresoli at comelit.it>
---
This patch is my implementation of the same functionality that Helmut's patch
implements. I'm sending it as a reference for him to look at the error
checking code and possibly merge it into his own patch.

 drivers/net/smc911x.c |   41 +++++++++++++++++++++++++++++++++++++++++
 1 files changed, 41 insertions(+), 0 deletions(-)

diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index aeafeba..d946fd4 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -82,6 +82,42 @@ static int smc911x_miiphy_write(struct eth_device *dev,
 	return 0;
 }
 
+static int smc911x_miiphy_read_byname(char *devname, unsigned char addr,
+				      unsigned char reg, unsigned short *value)
+{
+	struct eth_device *dev;
+
+	if (devname == NULL)
+		return -1;
+
+	dev = eth_get_dev_by_name(devname);
+
+	if (dev == NULL) {
+		printf(DRIVERNAME ": device %s not found\n", devname);
+		return -1;
+	}
+
+	return smc911x_miiphy_read(dev, addr, reg, value);
+}
+
+static int smc911x_miiphy_write_byname(char *devname, unsigned char addr,
+				       unsigned char reg, unsigned short value)
+{
+	struct eth_device *dev;
+
+	if (devname == NULL)
+		return -1;
+
+	dev = eth_get_dev_by_name(devname);
+
+	if (dev == NULL) {
+		printf(DRIVERNAME ": device %s not found\n", devname);
+		return -1;
+	}
+
+	return smc911x_miiphy_write(dev, addr, reg, value);
+}
+
 static int smc911x_phy_reset(struct eth_device *dev)
 {
 	u32 reg;
@@ -273,5 +309,10 @@ int smc911x_initialize(u8 dev_num, int base_addr)
 	sprintf(dev->name, "%s-%hu", DRIVERNAME, dev_num);
 
 	eth_register(dev);
+
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
+	miiphy_register(dev->name, smc911x_miiphy_read_byname, smc911x_miiphy_write_byname);
+#endif
+
 	return 1;
 }
-- 
1.7.4.1




--------------------------------------------------------------------------
Luca Ceresoli
Comelit R&D - Progettazione Software

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