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path: root/drivers/net/smc911x.h
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Diffstat (limited to 'drivers/net/smc911x.h')
-rw-r--r--drivers/net/smc911x.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/smc911x.h b/drivers/net/smc911x.h
index 053e330..05e007c 100644
--- a/drivers/net/smc911x.h
+++ b/drivers/net/smc911x.h
@@ -393,6 +393,7 @@ static inline void smc911x_reg_write(struct eth_device *dev,
#define CHIP_9216 0x116a
#define CHIP_9217 0x117a
#define CHIP_9218 0x118a
+#define CHIP_9220 0x9220
#define CHIP_9221 0x9221
struct chip_id {
@@ -410,6 +411,7 @@ static const struct chip_id chip_ids[] = {
{ CHIP_9216, "LAN9216" },
{ CHIP_9217, "LAN9217" },
{ CHIP_9218, "LAN9218" },
+ { CHIP_9220, "LAN9220" },
{ CHIP_9221, "LAN9221" },
{ 0, NULL },
};
@@ -441,7 +443,10 @@ static int smc911x_detect_chip(struct eth_device *dev)
unsigned long val, i;
val = smc911x_reg_read(dev, BYTE_TEST);
- if (val != 0x87654321) {
+ if (val == 0xffffffff) {
+ /* Special case -- no chip present */
+ return -1;
+ } else if (val != 0x87654321) {
printf(DRIVERNAME ": Invalid chip endian 0x%08lx\n", val);
return -1;
}
@@ -455,7 +460,7 @@ static int smc911x_detect_chip(struct eth_device *dev)
return -1;
}
- printf(DRIVERNAME ": detected %s controller\n", chip_ids[i].name);
+ dev->priv = (void *)&chip_ids[i];
return 0;
}