DM9000: Add support for DM9000A and DM9000B chips

Add support for both the DM9000A and DM9000B versions of
the DM9000 networking chip. This includes adding support
for the Link-Change IRQ which is used instead of polling
the PHY every 2 seconds.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/net/dm9000.h b/drivers/net/dm9000.h
index 82cad360bafc..ba25cf541420 100644
--- a/drivers/net/dm9000.h
+++ b/drivers/net/dm9000.h
@@ -45,6 +45,9 @@
 #define DM9000_CHIPR           0x2C
 #define DM9000_SMCR            0x2F
 
+#define CHIPR_DM9000A          0x19
+#define CHIPR_DM9000B          0x1B
+
 #define DM9000_MRCMDX          0xF0
 #define DM9000_MRCMD           0xF2
 #define DM9000_MRRL            0xF4
@@ -131,5 +134,13 @@
 #define DM9000_PKT_RDY          0x01    /* Packet ready to receive */
 #define DM9000_PKT_MAX          1536    /* Received packet max size */
 
+/* DM9000A / DM9000B definitions */
+
+#define IMR_LNKCHNG             (1<<5)
+#define IMR_UNDERRUN            (1<<4)
+
+#define ISR_LNKCHNG             (1<<5)
+#define ISR_UNDERRUN            (1<<4)
+
 #endif /* _DM9000X_H_ */