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path: root/drivers/net/via-velocity.h
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Diffstat (limited to 'drivers/net/via-velocity.h')
-rw-r--r--drivers/net/via-velocity.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/via-velocity.h b/drivers/net/via-velocity.h
index aa2e69b9ff6..d7227539484 100644
--- a/drivers/net/via-velocity.h
+++ b/drivers/net/via-velocity.h
@@ -361,7 +361,7 @@ enum velocity_owner {
#define MAC_REG_CHIPGSR 0x9C
#define MAC_REG_TESTCFG 0x9D
#define MAC_REG_DEBUG 0x9E
-#define MAC_REG_CHIPGCR 0x9F
+#define MAC_REG_CHIPGCR 0x9F /* Chip Operation and Diagnostic Control */
#define MAC_REG_WOLCR0_SET 0xA0
#define MAC_REG_WOLCR1_SET 0xA1
#define MAC_REG_PWCFG_SET 0xA2
@@ -848,10 +848,10 @@ enum velocity_owner {
* Bits in CHIPGCR register
*/
-#define CHIPGCR_FCGMII 0x80 /* enable GMII mode */
-#define CHIPGCR_FCFDX 0x40
+#define CHIPGCR_FCGMII 0x80 /* force GMII (else MII only) */
+#define CHIPGCR_FCFDX 0x40 /* force full duplex */
#define CHIPGCR_FCRESV 0x20
-#define CHIPGCR_FCMODE 0x10
+#define CHIPGCR_FCMODE 0x10 /* enable MAC forced mode */
#define CHIPGCR_LPSOPT 0x08
#define CHIPGCR_TM1US 0x04
#define CHIPGCR_TM0US 0x02