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authorVivien Didelot <vivien.didelot@savoirfairelinux.com>2017-06-19 10:55:42 -0400
committerDavid S. Miller <davem@davemloft.net>2017-06-20 13:24:43 -0400
commit7fc8c9d5206e8c17eb6d938717dc3cc692d9d72c (patch)
treebe7a243192aa2c2df06db6fa4f69506dfe8217cc
parentnet: dsa: mv88e6xxx: prefix Global 2 PVT macros (diff)
downloadlinux-dev-7fc8c9d5206e8c17eb6d938717dc3cc692d9d72c.tar.xz
linux-dev-7fc8c9d5206e8c17eb6d938717dc3cc692d9d72c.zip
net: dsa: mv88e6xxx: prefix Global 2 EEPROM macros
Prefix and document the Global 2 EEPROM registers macros. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/dsa/mv88e6xxx/global2.c32
-rw-r--r--drivers/net/dsa/mv88e6xxx/global2.h31
2 files changed, 38 insertions, 25 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/global2.c b/drivers/net/dsa/mv88e6xxx/global2.c
index dc6c0f5fd605..8621f5893406 100644
--- a/drivers/net/dsa/mv88e6xxx/global2.c
+++ b/drivers/net/dsa/mv88e6xxx/global2.c
@@ -282,16 +282,17 @@ static int mv88e6xxx_g2_clear_pot(struct mv88e6xxx_chip *chip)
static int mv88e6xxx_g2_eeprom_wait(struct mv88e6xxx_chip *chip)
{
- return mv88e6xxx_g2_wait(chip, GLOBAL2_EEPROM_CMD,
- GLOBAL2_EEPROM_CMD_BUSY |
- GLOBAL2_EEPROM_CMD_RUNNING);
+ return mv88e6xxx_g2_wait(chip, MV88E6XXX_G2_EEPROM_CMD,
+ MV88E6XXX_G2_EEPROM_CMD_BUSY |
+ MV88E6XXX_G2_EEPROM_CMD_RUNNING);
}
static int mv88e6xxx_g2_eeprom_cmd(struct mv88e6xxx_chip *chip, u16 cmd)
{
int err;
- err = mv88e6xxx_g2_write(chip, GLOBAL2_EEPROM_CMD, cmd);
+ err = mv88e6xxx_g2_write(chip, MV88E6XXX_G2_EEPROM_CMD,
+ MV88E6XXX_G2_EEPROM_CMD_BUSY | cmd);
if (err)
return err;
@@ -301,14 +302,14 @@ static int mv88e6xxx_g2_eeprom_cmd(struct mv88e6xxx_chip *chip, u16 cmd)
static int mv88e6xxx_g2_eeprom_read8(struct mv88e6xxx_chip *chip,
u16 addr, u8 *data)
{
- u16 cmd = GLOBAL2_EEPROM_CMD_OP_READ;
+ u16 cmd = MV88E6XXX_G2_EEPROM_CMD_OP_READ;
int err;
err = mv88e6xxx_g2_eeprom_wait(chip);
if (err)
return err;
- err = mv88e6xxx_g2_write(chip, GLOBAL2_EEPROM_ADDR, addr);
+ err = mv88e6xxx_g2_write(chip, MV88E6390_G2_EEPROM_ADDR, addr);
if (err)
return err;
@@ -316,7 +317,7 @@ static int mv88e6xxx_g2_eeprom_read8(struct mv88e6xxx_chip *chip,
if (err)
return err;
- err = mv88e6xxx_g2_read(chip, GLOBAL2_EEPROM_CMD, &cmd);
+ err = mv88e6xxx_g2_read(chip, MV88E6XXX_G2_EEPROM_CMD, &cmd);
if (err)
return err;
@@ -328,14 +329,15 @@ static int mv88e6xxx_g2_eeprom_read8(struct mv88e6xxx_chip *chip,
static int mv88e6xxx_g2_eeprom_write8(struct mv88e6xxx_chip *chip,
u16 addr, u8 data)
{
- u16 cmd = GLOBAL2_EEPROM_CMD_OP_WRITE | GLOBAL2_EEPROM_CMD_WRITE_EN;
+ u16 cmd = MV88E6XXX_G2_EEPROM_CMD_OP_WRITE |
+ MV88E6XXX_G2_EEPROM_CMD_WRITE_EN;
int err;
err = mv88e6xxx_g2_eeprom_wait(chip);
if (err)
return err;
- err = mv88e6xxx_g2_write(chip, GLOBAL2_EEPROM_ADDR, addr);
+ err = mv88e6xxx_g2_write(chip, MV88E6390_G2_EEPROM_ADDR, addr);
if (err)
return err;
@@ -345,7 +347,7 @@ static int mv88e6xxx_g2_eeprom_write8(struct mv88e6xxx_chip *chip,
static int mv88e6xxx_g2_eeprom_read16(struct mv88e6xxx_chip *chip,
u8 addr, u16 *data)
{
- u16 cmd = GLOBAL2_EEPROM_CMD_OP_READ | addr;
+ u16 cmd = MV88E6XXX_G2_EEPROM_CMD_OP_READ | addr;
int err;
err = mv88e6xxx_g2_eeprom_wait(chip);
@@ -356,20 +358,20 @@ static int mv88e6xxx_g2_eeprom_read16(struct mv88e6xxx_chip *chip,
if (err)
return err;
- return mv88e6xxx_g2_read(chip, GLOBAL2_EEPROM_DATA, data);
+ return mv88e6xxx_g2_read(chip, MV88E6352_G2_EEPROM_DATA, data);
}
static int mv88e6xxx_g2_eeprom_write16(struct mv88e6xxx_chip *chip,
u8 addr, u16 data)
{
- u16 cmd = GLOBAL2_EEPROM_CMD_OP_WRITE | addr;
+ u16 cmd = MV88E6XXX_G2_EEPROM_CMD_OP_WRITE | addr;
int err;
err = mv88e6xxx_g2_eeprom_wait(chip);
if (err)
return err;
- err = mv88e6xxx_g2_write(chip, GLOBAL2_EEPROM_DATA, data);
+ err = mv88e6xxx_g2_write(chip, MV88E6352_G2_EEPROM_DATA, data);
if (err)
return err;
@@ -481,11 +483,11 @@ int mv88e6xxx_g2_set_eeprom16(struct mv88e6xxx_chip *chip,
int err;
/* Ensure the RO WriteEn bit is set */
- err = mv88e6xxx_g2_read(chip, GLOBAL2_EEPROM_CMD, &val);
+ err = mv88e6xxx_g2_read(chip, MV88E6XXX_G2_EEPROM_CMD, &val);
if (err)
return err;
- if (!(val & GLOBAL2_EEPROM_CMD_WRITE_EN))
+ if (!(val & MV88E6XXX_G2_EEPROM_CMD_WRITE_EN))
return -EROFS;
eeprom->len = 0;
diff --git a/drivers/net/dsa/mv88e6xxx/global2.h b/drivers/net/dsa/mv88e6xxx/global2.h
index 0133c1cdfd6c..a0a6cb3cb6fe 100644
--- a/drivers/net/dsa/mv88e6xxx/global2.h
+++ b/drivers/net/dsa/mv88e6xxx/global2.h
@@ -99,16 +99,27 @@
#define GLOBAL2_PRIO_OVERRIDE_SNOOP_SHIFT 4
#define GLOBAL2_PRIO_OVERRIDE_FORCE_ARP BIT(3)
#define GLOBAL2_PRIO_OVERRIDE_ARP_SHIFT 0
-#define GLOBAL2_EEPROM_CMD 0x14
-#define GLOBAL2_EEPROM_CMD_BUSY BIT(15)
-#define GLOBAL2_EEPROM_CMD_OP_WRITE ((0x3 << 12) | GLOBAL2_EEPROM_CMD_BUSY)
-#define GLOBAL2_EEPROM_CMD_OP_READ ((0x4 << 12) | GLOBAL2_EEPROM_CMD_BUSY)
-#define GLOBAL2_EEPROM_CMD_OP_LOAD ((0x6 << 12) | GLOBAL2_EEPROM_CMD_BUSY)
-#define GLOBAL2_EEPROM_CMD_RUNNING BIT(11)
-#define GLOBAL2_EEPROM_CMD_WRITE_EN BIT(10)
-#define GLOBAL2_EEPROM_CMD_ADDR_MASK 0xff
-#define GLOBAL2_EEPROM_DATA 0x15
-#define GLOBAL2_EEPROM_ADDR 0x15 /* 6390, 6341 */
+
+/* Offset 0x14: EEPROM Command */
+#define MV88E6XXX_G2_EEPROM_CMD 0x14
+#define MV88E6XXX_G2_EEPROM_CMD_BUSY 0x8000
+#define MV88E6XXX_G2_EEPROM_CMD_OP_MASK 0x7000
+#define MV88E6XXX_G2_EEPROM_CMD_OP_WRITE 0x3000
+#define MV88E6XXX_G2_EEPROM_CMD_OP_READ 0x4000
+#define MV88E6XXX_G2_EEPROM_CMD_OP_LOAD 0x6000
+#define MV88E6XXX_G2_EEPROM_CMD_RUNNING 0x0800
+#define MV88E6XXX_G2_EEPROM_CMD_WRITE_EN 0x0400
+#define MV88E6352_G2_EEPROM_CMD_ADDR_MASK 0x00ff
+#define MV88E6390_G2_EEPROM_CMD_DATA_MASK 0x00ff
+
+/* Offset 0x15: EEPROM Data */
+#define MV88E6352_G2_EEPROM_DATA 0x15
+#define MV88E6352_G2_EEPROM_DATA_MASK 0xffff
+
+/* Offset 0x15: EEPROM Addr */
+#define MV88E6390_G2_EEPROM_ADDR 0x15
+#define MV88E6390_G2_EEPROM_ADDR_MASK 0xffff
+
#define GLOBAL2_PTP_AVB_OP 0x16
#define GLOBAL2_PTP_AVB_DATA 0x17