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authorBrandon Streiff <brandon.streiff@ni.com>2018-02-14 01:07:44 +0100
committerDavid S. Miller <davem@davemloft.net>2018-02-14 14:33:36 -0500
commit0d632c3d6fe3b909fa481ddd51b5cb76ad18f921 (patch)
tree2fbbda7284ad84419948042b7d4be605df240709 /drivers/net/dsa/mv88e6xxx/global2.h
parentb000be95e5b903c686349dff5d1bf8e2dcf76aef (diff)
net: dsa: mv88e6xxx: add accessors for PTP/TAI registers
This patch implements support for accessing the Precision Time Protocol and Time Application Interface registers via the AVB register interface in the Global 2 register. The register interface differs slightly between different models; older models use a 3-bit operations field, while newer models use a 2-bit field. The operations values and the special "global port" values are different between the two. This is a similar split to the differences in the "Ingress Rate" register between models, so, like in that case, we call the two variants "6352" and "6390" and create an ops structure to abstract between the two. checkpatch fixups by Andrew Lunn Signed-off-by: Brandon Streiff <brandon.streiff@ni.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/global2.h')
-rw-r--r--drivers/net/dsa/mv88e6xxx/global2.h27
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/global2.h b/drivers/net/dsa/mv88e6xxx/global2.h
index bfa25223abee..e1d4850974dc 100644
--- a/drivers/net/dsa/mv88e6xxx/global2.h
+++ b/drivers/net/dsa/mv88e6xxx/global2.h
@@ -149,7 +149,26 @@
#define MV88E6390_G2_EEPROM_ADDR_MASK 0xffff
/* Offset 0x16: AVB Command Register */
-#define MV88E6352_G2_AVB_CMD 0x16
+#define MV88E6352_G2_AVB_CMD 0x16
+#define MV88E6352_G2_AVB_CMD_BUSY 0x8000
+#define MV88E6352_G2_AVB_CMD_OP_READ 0x4000
+#define MV88E6352_G2_AVB_CMD_OP_READ_INCR 0x6000
+#define MV88E6352_G2_AVB_CMD_OP_WRITE 0x3000
+#define MV88E6390_G2_AVB_CMD_OP_READ 0x0000
+#define MV88E6390_G2_AVB_CMD_OP_READ_INCR 0x4000
+#define MV88E6390_G2_AVB_CMD_OP_WRITE 0x6000
+#define MV88E6352_G2_AVB_CMD_PORT_MASK 0x0f00
+#define MV88E6352_G2_AVB_CMD_PORT_TAIGLOBAL 0xe
+#define MV88E6352_G2_AVB_CMD_PORT_PTPGLOBAL 0xf
+#define MV88E6390_G2_AVB_CMD_PORT_MASK 0x1f00
+#define MV88E6390_G2_AVB_CMD_PORT_TAIGLOBAL 0x1e
+#define MV88E6390_G2_AVB_CMD_PORT_PTPGLOBAL 0x1f
+#define MV88E6352_G2_AVB_CMD_BLOCK_PTP 0
+#define MV88E6352_G2_AVB_CMD_BLOCK_AVB 1
+#define MV88E6352_G2_AVB_CMD_BLOCK_QAV 2
+#define MV88E6352_G2_AVB_CMD_BLOCK_QVB 3
+#define MV88E6352_G2_AVB_CMD_BLOCK_MASK 0x00e0
+#define MV88E6352_G2_AVB_CMD_ADDR_MASK 0x001f
/* Offset 0x17: AVB Data Register */
#define MV88E6352_G2_AVB_DATA 0x17
@@ -272,6 +291,9 @@ int mv88e6xxx_g2_pot_clear(struct mv88e6xxx_chip *chip);
extern const struct mv88e6xxx_irq_ops mv88e6097_watchdog_ops;
extern const struct mv88e6xxx_irq_ops mv88e6390_watchdog_ops;
+extern const struct mv88e6xxx_avb_ops mv88e6352_avb_ops;
+extern const struct mv88e6xxx_avb_ops mv88e6390_avb_ops;
+
#else /* !CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 */
static inline int mv88e6xxx_g2_require(struct mv88e6xxx_chip *chip)
@@ -407,6 +429,9 @@ static inline int mv88e6xxx_g2_pot_clear(struct mv88e6xxx_chip *chip)
static const struct mv88e6xxx_irq_ops mv88e6097_watchdog_ops = {};
static const struct mv88e6xxx_irq_ops mv88e6390_watchdog_ops = {};
+static const struct mv88e6xxx_avb_ops mv88e6352_avb_ops = {};
+static const struct mv88e6xxx_avb_ops mv88e6390_avb_ops = {};
+
#endif /* CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 */
#endif /* _MV88E6XXX_GLOBAL2_H */