[PATCH net-next 5/8] net: dsa: mv88e6xxx: prefix Global Control macros

From: Vivien Didelot
Date: Thu Jun 15 2017 - 12:20:32 EST

Prefix and document the Global Control and Control 2 registers macros
and give a clear 16-bit registers representation.

Signed-off-by: Vivien Didelot <vivien.didelot@xxxxxxxxxxxxxxxxxxxx>
---
drivers/net/dsa/mv88e6xxx/chip.c | 18 +++++++--------
drivers/net/dsa/mv88e6xxx/global1.c | 32 +++++++++++++-------------
drivers/net/dsa/mv88e6xxx/global1.h | 46 ++++++++++++++++++++-----------------
3 files changed, 50 insertions(+), 46 deletions(-)

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index f2ce054913e4..c31ad01c7f96 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -292,14 +292,14 @@ static void mv88e6xxx_g1_irq_bus_sync_unlock(struct irq_data *d)
u16 reg;
int err;

- err = mv88e6xxx_g1_read(chip, GLOBAL_CONTROL, &reg);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &reg);
if (err)
goto out;

reg &= ~mask;
reg |= (~chip->g1_irq.masked & mask);

- err = mv88e6xxx_g1_write(chip, GLOBAL_CONTROL, reg);
+ err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, reg);
if (err)
goto out;

@@ -338,9 +338,9 @@ static void mv88e6xxx_g1_irq_free(struct mv88e6xxx_chip *chip)
int irq, virq;
u16 mask;

- mv88e6xxx_g1_read(chip, GLOBAL_CONTROL, &mask);
+ mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
mask |= GENMASK(chip->g1_irq.nirqs, 0);
- mv88e6xxx_g1_write(chip, GLOBAL_CONTROL, mask);
+ mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);

free_irq(chip->irq, chip);

@@ -370,13 +370,13 @@ static int mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip *chip)
chip->g1_irq.chip = mv88e6xxx_g1_irq_chip;
chip->g1_irq.masked = ~0;

- err = mv88e6xxx_g1_read(chip, GLOBAL_CONTROL, &mask);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &mask);
if (err)
goto out_mapping;

mask &= ~GENMASK(chip->g1_irq.nirqs, 0);

- err = mv88e6xxx_g1_write(chip, GLOBAL_CONTROL, mask);
+ err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);
if (err)
goto out_disable;

@@ -396,7 +396,7 @@ static int mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip *chip)

out_disable:
mask |= GENMASK(chip->g1_irq.nirqs, 0);
- mv88e6xxx_g1_write(chip, GLOBAL_CONTROL, mask);
+ mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, mask);

out_mapping:
for (irq = 0; irq < 16; irq++) {
@@ -2014,8 +2014,8 @@ static int mv88e6xxx_g1_setup(struct mv88e6xxx_chip *chip)
}

/* Disable remote management, and set the switch's DSA device number. */
- err = mv88e6xxx_g1_write(chip, GLOBAL_CONTROL_2,
- GLOBAL_CONTROL_2_MULTIPLE_CASCADE |
+ err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL2,
+ MV88E6XXX_G1_CTL2_MULTIPLE_CASCADE |
(ds->index & 0x1f));
if (err)
return err;
diff --git a/drivers/net/dsa/mv88e6xxx/global1.c b/drivers/net/dsa/mv88e6xxx/global1.c
index 0ddf1021442b..63e3ad1ba52a 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.c
+++ b/drivers/net/dsa/mv88e6xxx/global1.c
@@ -162,14 +162,14 @@ int mv88e6185_g1_reset(struct mv88e6xxx_chip *chip)
/* Set the SWReset bit 15 along with the PPUEn bit 14, to also restart
* the PPU, including re-doing PHY detection and initialization
*/
- err = mv88e6xxx_g1_read(chip, GLOBAL_CONTROL, &val);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &val);
if (err)
return err;

- val |= GLOBAL_CONTROL_SW_RESET;
- val |= GLOBAL_CONTROL_PPU_ENABLE;
+ val |= MV88E6XXX_G1_CTL1_SW_RESET;
+ val |= MV88E6XXX_G1_CTL1_PPU_ENABLE;

- err = mv88e6xxx_g1_write(chip, GLOBAL_CONTROL, val);
+ err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, val);
if (err)
return err;

@@ -186,13 +186,13 @@ int mv88e6352_g1_reset(struct mv88e6xxx_chip *chip)
int err;

/* Set the SWReset bit 15 */
- err = mv88e6xxx_g1_read(chip, GLOBAL_CONTROL, &val);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &val);
if (err)
return err;

- val |= GLOBAL_CONTROL_SW_RESET;
+ val |= MV88E6XXX_G1_CTL1_SW_RESET;

- err = mv88e6xxx_g1_write(chip, GLOBAL_CONTROL, val);
+ err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, val);
if (err)
return err;

@@ -208,13 +208,13 @@ int mv88e6185_g1_ppu_enable(struct mv88e6xxx_chip *chip)
u16 val;
int err;

- err = mv88e6xxx_g1_read(chip, GLOBAL_CONTROL, &val);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &val);
if (err)
return err;

- val |= GLOBAL_CONTROL_PPU_ENABLE;
+ val |= MV88E6XXX_G1_CTL1_PPU_ENABLE;

- err = mv88e6xxx_g1_write(chip, GLOBAL_CONTROL, val);
+ err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, val);
if (err)
return err;

@@ -226,13 +226,13 @@ int mv88e6185_g1_ppu_disable(struct mv88e6xxx_chip *chip)
u16 val;
int err;

- err = mv88e6xxx_g1_read(chip, GLOBAL_CONTROL, &val);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &val);
if (err)
return err;

- val &= ~GLOBAL_CONTROL_PPU_ENABLE;
+ val &= ~MV88E6XXX_G1_CTL1_PPU_ENABLE;

- err = mv88e6xxx_g1_write(chip, GLOBAL_CONTROL, val);
+ err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL1, val);
if (err)
return err;

@@ -342,13 +342,13 @@ int mv88e6390_g1_stats_set_histogram(struct mv88e6xxx_chip *chip)
u16 val;
int err;

- err = mv88e6xxx_g1_read(chip, GLOBAL_CONTROL_2, &val);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL2, &val);
if (err)
return err;

- val |= GLOBAL_CONTROL_2_HIST_RX_TX;
+ val |= MV88E6XXX_G1_CTL2_HIST_RX_TX;

- err = mv88e6xxx_g1_write(chip, GLOBAL_CONTROL_2, val);
+ err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL2, val);

return err;
}
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 56ba709628c7..af1a510f7a45 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -55,21 +55,22 @@
#define MV88E6352_G1_VTU_SID 0x03
#define MV88E6352_G1_VTU_SID_MASK 0x3f

-#define GLOBAL_CONTROL 0x04
-#define GLOBAL_CONTROL_SW_RESET BIT(15)
-#define GLOBAL_CONTROL_PPU_ENABLE BIT(14)
-#define GLOBAL_CONTROL_DISCARD_EXCESS BIT(13) /* 6352 */
-#define GLOBAL_CONTROL_SCHED_PRIO BIT(11) /* 6152 */
-#define GLOBAL_CONTROL_MAX_FRAME_1632 BIT(10) /* 6152 */
-#define GLOBAL_CONTROL_RELOAD_EEPROM BIT(9) /* 6152 */
-#define GLOBAL_CONTROL_DEVICE_EN BIT(7)
-#define GLOBAL_CONTROL_STATS_DONE_EN BIT(6)
-#define GLOBAL_CONTROL_VTU_PROBLEM_EN BIT(5)
-#define GLOBAL_CONTROL_VTU_DONE_EN BIT(4)
-#define GLOBAL_CONTROL_ATU_PROBLEM_EN BIT(3)
-#define GLOBAL_CONTROL_ATU_DONE_EN BIT(2)
-#define GLOBAL_CONTROL_TCAM_EN BIT(1)
-#define GLOBAL_CONTROL_EEPROM_DONE_EN BIT(0)
+/* Offset 0x04: Switch Global Control Register */
+#define MV88E6XXX_G1_CTL1 0x04
+#define MV88E6XXX_G1_CTL1_SW_RESET 0x8000
+#define MV88E6XXX_G1_CTL1_PPU_ENABLE 0x4000
+#define MV88E6352_G1_CTL1_DISCARD_EXCESS 0x2000
+#define MV88E6185_G1_CTL1_SCHED_PRIO 0x0800
+#define MV88E6185_G1_CTL1_MAX_FRAME_1632 0x0400
+#define MV88E6185_G1_CTL1_RELOAD_EEPROM 0x0200
+#define MV88E6XXX_G1_CTL1_DEVICE_EN 0x0080
+#define MV88E6XXX_G1_CTL1_STATS_DONE_EN 0x0040
+#define MV88E6XXX_G1_CTL1_VTU_PROBLEM_EN 0x0020
+#define MV88E6XXX_G1_CTL1_VTU_DONE_EN 0x0010
+#define MV88E6XXX_G1_CTL1_ATU_PROBLEM_EN 0x0008
+#define MV88E6XXX_G1_CTL1_ATU_DONE_EN 0x0004
+#define MV88E6XXX_G1_CTL1_TCAM_EN 0x0002
+#define MV88E6XXX_G1_CTL1_EEPROM_DONE_EN 0x0001

/* Offset 0x05: VTU Operation Register */
#define MV88E6XXX_G1_VTU_OP 0x05
@@ -172,12 +173,15 @@
#define GLOBAL_MONITOR_CONTROL_INGRESS (0x20 << 8)
#define GLOBAL_MONITOR_CONTROL_EGRESS (0x21 << 8)
#define GLOBAL_MONITOR_CONTROL_CPU_DEST (0x30 << 8)
-#define GLOBAL_CONTROL_2 0x1c
-#define GLOBAL_CONTROL_2_NO_CASCADE 0xe000
-#define GLOBAL_CONTROL_2_MULTIPLE_CASCADE 0xf000
-#define GLOBAL_CONTROL_2_HIST_RX (0x1 << 6)
-#define GLOBAL_CONTROL_2_HIST_TX (0x2 << 6)
-#define GLOBAL_CONTROL_2_HIST_RX_TX (0x3 << 6)
+
+/* Offset 0x1C: Global Control 2 */
+#define MV88E6XXX_G1_CTL2 0x1c
+#define MV88E6XXX_G1_CTL2_NO_CASCADE 0xe000
+#define MV88E6XXX_G1_CTL2_MULTIPLE_CASCADE 0xf000
+#define MV88E6XXX_G1_CTL2_HIST_RX 0x0040
+#define MV88E6XXX_G1_CTL2_HIST_TX 0x0080
+#define MV88E6XXX_G1_CTL2_HIST_RX_TX 0x00c0
+
#define GLOBAL_STATS_OP 0x1d
#define GLOBAL_STATS_OP_BUSY BIT(15)
#define GLOBAL_STATS_OP_NOP (0 << 12)
--
2.13.1