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path: root/drivers/net/dsa/mv88e6xxx/port.h
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Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/port.h')
-rw-r--r--drivers/net/dsa/mv88e6xxx/port.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h
index 0d81866d0e4a..e583641de758 100644
--- a/drivers/net/dsa/mv88e6xxx/port.h
+++ b/drivers/net/dsa/mv88e6xxx/port.h
@@ -251,6 +251,16 @@
/* Offset 0x19: Port IEEE Priority Remapping Registers (4-7) */
#define MV88E6095_PORT_IEEE_PRIO_REMAP_4567 0x19
+/* Offset 0x1a: Magic undocumented errata register */
+#define PORT_RESERVED_1A 0x1a
+#define PORT_RESERVED_1A_BUSY BIT(15)
+#define PORT_RESERVED_1A_WRITE BIT(14)
+#define PORT_RESERVED_1A_READ 0
+#define PORT_RESERVED_1A_PORT_SHIFT 5
+#define PORT_RESERVED_1A_BLOCK (0xf << 10)
+#define PORT_RESERVED_1A_CTRL_PORT 4
+#define PORT_RESERVED_1A_DATA_PORT 5
+
int mv88e6xxx_port_read(struct mv88e6xxx_chip *chip, int port, int reg,
u16 *val);
int mv88e6xxx_port_write(struct mv88e6xxx_chip *chip, int port, int reg,