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Message-Id: <20170615161406.20546-2-vivien.didelot@savoirfairelinux.com>
Date: Thu, 15 Jun 2017 12:13:59 -0400
From: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
"David S. Miller" <davem@...emloft.net>,
Florian Fainelli <f.fainelli@...il.com>,
Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Subject: [PATCH net-next 1/8] net: dsa: mv88e6xxx: prefix Global Status macros
Prefix and document the Global Status Register macros and give clear
16-bit register representation.
Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 4 ++--
drivers/net/dsa/mv88e6xxx/global1.c | 20 ++++++++++----------
drivers/net/dsa/mv88e6xxx/global1.h | 36 +++++++++++++++++++-----------------
drivers/net/dsa/mv88e6xxx/global2.c | 4 ++--
4 files changed, 33 insertions(+), 31 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index fb950ca29081..9cc10dadf17c 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -261,7 +261,7 @@ static irqreturn_t mv88e6xxx_g1_irq_thread_fn(int irq, void *dev_id)
int err;
mutex_lock(&chip->reg_lock);
- err = mv88e6xxx_g1_read(chip, GLOBAL_STATUS, ®);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, ®);
mutex_unlock(&chip->reg_lock);
if (err)
@@ -381,7 +381,7 @@ static int mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip *chip)
goto out_disable;
/* Reading the interrupt status clears (most of) them */
- err = mv88e6xxx_g1_read(chip, GLOBAL_STATUS, ®);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, ®);
if (err)
goto out_disable;
diff --git a/drivers/net/dsa/mv88e6xxx/global1.c b/drivers/net/dsa/mv88e6xxx/global1.c
index 4081ff0d38a0..84559d22bf4e 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.c
+++ b/drivers/net/dsa/mv88e6xxx/global1.c
@@ -42,13 +42,13 @@ static int mv88e6185_g1_wait_ppu_disabled(struct mv88e6xxx_chip *chip)
int i, err;
for (i = 0; i < 16; i++) {
- err = mv88e6xxx_g1_read(chip, GLOBAL_STATUS, &state);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &state);
if (err)
return err;
/* Check the value of the PPUState bits 15:14 */
- state &= GLOBAL_STATUS_PPU_STATE_MASK;
- if (state != GLOBAL_STATUS_PPU_STATE_POLLING)
+ state &= MV88E6185_G1_STS_PPU_STATE_MASK;
+ if (state != MV88E6185_G1_STS_PPU_STATE_POLLING)
return 0;
usleep_range(1000, 2000);
@@ -63,13 +63,13 @@ static int mv88e6185_g1_wait_ppu_polling(struct mv88e6xxx_chip *chip)
int i, err;
for (i = 0; i < 16; ++i) {
- err = mv88e6xxx_g1_read(chip, GLOBAL_STATUS, &state);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &state);
if (err)
return err;
/* Check the value of the PPUState bits 15:14 */
- state &= GLOBAL_STATUS_PPU_STATE_MASK;
- if (state == GLOBAL_STATUS_PPU_STATE_POLLING)
+ state &= MV88E6185_G1_STS_PPU_STATE_MASK;
+ if (state == MV88E6185_G1_STS_PPU_STATE_POLLING)
return 0;
usleep_range(1000, 2000);
@@ -84,12 +84,12 @@ static int mv88e6352_g1_wait_ppu_polling(struct mv88e6xxx_chip *chip)
int i, err;
for (i = 0; i < 16; ++i) {
- err = mv88e6xxx_g1_read(chip, GLOBAL_STATUS, &state);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &state);
if (err)
return err;
/* Check the value of the PPUState (or InitState) bit 15 */
- if (state & GLOBAL_STATUS_PPU_STATE)
+ if (state & MV88E6352_G1_STS_PPU_STATE)
return 0;
usleep_range(1000, 2000);
@@ -109,11 +109,11 @@ static int mv88e6xxx_g1_wait_init_ready(struct mv88e6xxx_chip *chip)
* have finished their initialization and are ready to accept frames.
*/
while (time_before(jiffies, timeout)) {
- err = mv88e6xxx_g1_read(chip, GLOBAL_STATUS, &val);
+ err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STS, &val);
if (err)
return err;
- if (val & GLOBAL_STATUS_INIT_READY)
+ if (val & MV88E6XXX_G1_STS_INIT_READY)
break;
usleep_range(1000, 2000);
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 3e2765c53f89..7ad63a049249 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -17,23 +17,25 @@
#include "chip.h"
-#define GLOBAL_STATUS 0x00
-#define GLOBAL_STATUS_PPU_STATE BIT(15) /* 6351 and 6171 */
-#define GLOBAL_STATUS_PPU_STATE_MASK (0x3 << 14) /* 6165 6185 */
-#define GLOBAL_STATUS_PPU_STATE_DISABLED_RST (0x0 << 14)
-#define GLOBAL_STATUS_PPU_STATE_INITIALIZING (0x1 << 14)
-#define GLOBAL_STATUS_PPU_STATE_DISABLED (0x2 << 14)
-#define GLOBAL_STATUS_PPU_STATE_POLLING (0x3 << 14)
-#define GLOBAL_STATUS_INIT_READY BIT(11)
-#define GLOBAL_STATUS_IRQ_AVB 8
-#define GLOBAL_STATUS_IRQ_DEVICE 7
-#define GLOBAL_STATUS_IRQ_STATS 6
-#define GLOBAL_STATUS_IRQ_VTU_PROBLEM 5
-#define GLOBAL_STATUS_IRQ_VTU_DONE 4
-#define GLOBAL_STATUS_IRQ_ATU_PROBLEM 3
-#define GLOBAL_STATUS_IRQ_ATU_DONE 2
-#define GLOBAL_STATUS_IRQ_TCAM_DONE 1
-#define GLOBAL_STATUS_IRQ_EEPROM_DONE 0
+/* Offset 0x00: Switch Global Status Register */
+#define MV88E6XXX_G1_STS 0x00
+#define MV88E6352_G1_STS_PPU_STATE 0x8000
+#define MV88E6185_G1_STS_PPU_STATE_MASK 0xc000
+#define MV88E6185_G1_STS_PPU_STATE_DISABLED_RST 0x0000
+#define MV88E6185_G1_STS_PPU_STATE_INITIALIZING 0x4000
+#define MV88E6185_G1_STS_PPU_STATE_DISABLED 0x8000
+#define MV88E6185_G1_STS_PPU_STATE_POLLING 0xc000
+#define MV88E6XXX_G1_STS_INIT_READY 0x0800
+#define MV88E6XXX_G1_STS_IRQ_AVB 8
+#define MV88E6XXX_G1_STS_IRQ_DEVICE 7
+#define MV88E6XXX_G1_STS_IRQ_STATS 6
+#define MV88E6XXX_G1_STS_IRQ_VTU_PROBLEM 5
+#define MV88E6XXX_G1_STS_IRQ_VTU_DONE 4
+#define MV88E6XXX_G1_STS_IRQ_ATU_PROBLEM 3
+#define MV88E6XXX_G1_STS_IRQ_ATU_DONE 2
+#define MV88E6XXX_G1_STS_IRQ_TCAM_DONE 1
+#define MV88E6XXX_G1_STS_IRQ_EEPROM_DONE 0
+
#define GLOBAL_MAC_01 0x01
#define GLOBAL_MAC_23 0x02
#define GLOBAL_MAC_45 0x03
diff --git a/drivers/net/dsa/mv88e6xxx/global2.c b/drivers/net/dsa/mv88e6xxx/global2.c
index d63af31e7840..8e8bc4ee464f 100644
--- a/drivers/net/dsa/mv88e6xxx/global2.c
+++ b/drivers/net/dsa/mv88e6xxx/global2.c
@@ -17,7 +17,7 @@
#include <linux/irqdomain.h>
#include "chip.h"
-#include "global1.h" /* for GLOBAL_STATUS_IRQ_DEVICE */
+#include "global1.h" /* for MV88E6XXX_G1_STS_IRQ_DEVICE */
#include "global2.h"
static int mv88e6xxx_g2_read(struct mv88e6xxx_chip *chip, int reg, u16 *val)
@@ -977,7 +977,7 @@ int mv88e6xxx_g2_irq_setup(struct mv88e6xxx_chip *chip)
chip->g2_irq.masked = ~0;
chip->device_irq = irq_find_mapping(chip->g1_irq.domain,
- GLOBAL_STATUS_IRQ_DEVICE);
+ MV88E6XXX_G1_STS_IRQ_DEVICE);
if (chip->device_irq < 0) {
err = chip->device_irq;
goto out;
--
2.13.1
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