DM9000: Add platform data to specify external phy

Patch from: Laurent Pinchart <laurentp@cse-semaphore.com>

This patch adds a flag to the DM9000 platform data which, when set,
configures the device to use an external PHY.

Signed-off-by: Laurent Pinchart <laurentp@cse-semaphore.com>
Signed-off-by: Ben Dooks <ben-linuy@fluff.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index e4390d9..b5e47df 100644 (file)
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -137,6 +137,7 @@ typedef struct board_info {
        u16 dbug_cnt;
        u8 io_mode;             /* 0:word, 2:byte */
        u8 phy_addr;
+       unsigned int flags;
 
        void (*inblk)(void __iomem *port, void *data, int length);
        void (*outblk)(void __iomem *port, void *data, int length);
@@ -525,6 +526,8 @@ dm9000_probe(struct platform_device *pdev)
 
                if (pdata->dumpblk != NULL)
                        db->dumpblk = pdata->dumpblk;
+
+               db->flags = pdata->flags;
        }
 
        dm9000_reset(db);
@@ -665,6 +668,9 @@ dm9000_init_dm9000(struct net_device *dev)
        iow(db, DM9000_GPCR, GPCR_GEP_CNTL);    /* Let GPIO0 output */
        iow(db, DM9000_GPR, 0); /* Enable PHY */
 
+       if (db->flags & DM9000_PLATF_EXT_PHY)
+               iow(db, DM9000_NCR, NCR_EXT_PHY);
+
        /* Program operating register */
        iow(db, DM9000_TCR, 0);         /* TX Polling clear */
        iow(db, DM9000_BPTR, 0x3f);     /* Less 3Kb, 200us */

diff --git a/include/linux/dm9000.h b/include/linux/dm9000.h
index 0008e2a..ea530fd 100644 (file)
--- a/include/linux/dm9000.h
+++ b/include/linux/dm9000.h
@@ -19,6 +19,7 @@
 #define DM9000_PLATF_8BITONLY  (0x0001)
 #define DM9000_PLATF_16BITONLY (0x0002)
 #define DM9000_PLATF_32BITONLY (0x0004)
+#define DM9000_PLATF_EXT_PHY   (0x0008)
 
 /* platfrom data for platfrom device structure's platfrom_data field */