diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2019-01-09 02:24:03 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-01-11 00:53:46 +0300 |
| commit | ea89098ef9a574bceca00d3b5df14aaf0b3f9ccf (patch) | |
| tree | e297bdc4b07f14ad205a03f50c4d572c60285c96 /drivers/net/dsa/mv88e6xxx/port.h | |
| parent | 001e465f09a18857443489a57e74314a3368c805 (diff) | |
| download | linux-ea89098ef9a574bceca00d3b5df14aaf0b3f9ccf.tar.xz | |
net: dsa: mv88x6xxx: mv88e6390 errata
The 6390 copper ports have an errata which require poking magic values
into undocumented magic registers and then performing a software
reset.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/port.h')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/port.h | 10 |
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, |