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Date: Tue, 7 Jul 2015 20:38:15 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: "David S. Miller" <davem@...emloft.net>
Cc: netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>,
linux-kernel@...r.kernel.org,
"Aleksey S. Kazantsev" <ioctl@...dex.ru>,
Guenter Roeck <linux@...ck-us.net>
Subject: [PATCH] dsa: mv88e6352/mv88e6xxx: Add support for Marvell 88E6320 and 88E6321
From: "Aleksey S. Kazantsev" <ioctl@...dex.ru>
MV88E6320 and MV88E6321 are largely compatible to MV886352,
but are members of a different chip family.
Signed-off-by: Aleksey S. Kazantsev <ioctl@...dex.ru>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
drivers/net/dsa/Kconfig | 6 +++---
drivers/net/dsa/mv88e6352.c | 31 +++++++++++++++++++++++++------
drivers/net/dsa/mv88e6xxx.c | 42 ++++++++++++++++++++++++++++++------------
drivers/net/dsa/mv88e6xxx.h | 8 +++++++-
4 files changed, 65 insertions(+), 22 deletions(-)
diff --git a/drivers/net/dsa/Kconfig b/drivers/net/dsa/Kconfig
index 7ad0a4d8e475..4c483d937481 100644
--- a/drivers/net/dsa/Kconfig
+++ b/drivers/net/dsa/Kconfig
@@ -46,13 +46,13 @@ config NET_DSA_MV88E6171
ethernet switches chips.
config NET_DSA_MV88E6352
- tristate "Marvell 88E6172/88E6176/88E6352 ethernet switch chip support"
+ tristate "Marvell 88E6172/6176/6320/6321/6352 ethernet switch chip support"
depends on NET_DSA
select NET_DSA_MV88E6XXX
select NET_DSA_TAG_EDSA
---help---
- This enables support for the Marvell 88E6172, 88E6176 and 88E6352
- ethernet switch chips.
+ This enables support for the Marvell 88E6172, 88E6176, 88E6320,
+ 88E6321 and 88E6352 ethernet switch chips.
config NET_DSA_BCM_SF2
tristate "Broadcom Starfighter 2 Ethernet switch support"
diff --git a/drivers/net/dsa/mv88e6352.c b/drivers/net/dsa/mv88e6352.c
index 632815c10a40..cfece5ae9d5f 100644
--- a/drivers/net/dsa/mv88e6352.c
+++ b/drivers/net/dsa/mv88e6352.c
@@ -36,6 +36,18 @@ static char *mv88e6352_probe(struct device *host_dev, int sw_addr)
return "Marvell 88E6172";
if ((ret & 0xfff0) == PORT_SWITCH_ID_6176)
return "Marvell 88E6176";
+ if (ret == PORT_SWITCH_ID_6320_A1)
+ return "Marvell 88E6320 (A1)";
+ if (ret == PORT_SWITCH_ID_6320_A2)
+ return "Marvell 88e6320 (A2)";
+ if ((ret & 0xfff0) == PORT_SWITCH_ID_6320)
+ return "Marvell 88E6320";
+ if (ret == PORT_SWITCH_ID_6321_A1)
+ return "Marvell 88E6321 (A1)";
+ if (ret == PORT_SWITCH_ID_6321_A2)
+ return "Marvell 88e6321 (A2)";
+ if ((ret & 0xfff0) == PORT_SWITCH_ID_6321)
+ return "Marvell 88E6321";
if (ret == PORT_SWITCH_ID_6352_A0)
return "Marvell 88E6352 (A0)";
if (ret == PORT_SWITCH_ID_6352_A1)
@@ -84,11 +96,12 @@ static int mv88e6352_setup_global(struct dsa_switch *ds)
static int mv88e6352_get_temp(struct dsa_switch *ds, int *temp)
{
+ int phy = mv88e6xxx_6320_family(ds) ? 3 : 0;
int ret;
*temp = 0;
- ret = mv88e6xxx_phy_page_read(ds, 0, 6, 27);
+ ret = mv88e6xxx_phy_page_read(ds, phy, 6, 27);
if (ret < 0)
return ret;
@@ -99,11 +112,12 @@ static int mv88e6352_get_temp(struct dsa_switch *ds, int *temp)
static int mv88e6352_get_temp_limit(struct dsa_switch *ds, int *temp)
{
+ int phy = mv88e6xxx_6320_family(ds) ? 3 : 0;
int ret;
*temp = 0;
- ret = mv88e6xxx_phy_page_read(ds, 0, 6, 26);
+ ret = mv88e6xxx_phy_page_read(ds, phy, 6, 26);
if (ret < 0)
return ret;
@@ -114,23 +128,25 @@ static int mv88e6352_get_temp_limit(struct dsa_switch *ds, int *temp)
static int mv88e6352_set_temp_limit(struct dsa_switch *ds, int temp)
{
+ int phy = mv88e6xxx_6320_family(ds) ? 3 : 0;
int ret;
- ret = mv88e6xxx_phy_page_read(ds, 0, 6, 26);
+ ret = mv88e6xxx_phy_page_read(ds, phy, 6, 26);
if (ret < 0)
return ret;
temp = clamp_val(DIV_ROUND_CLOSEST(temp, 5) + 5, 0, 0x1f);
- return mv88e6xxx_phy_page_write(ds, 0, 6, 26,
+ return mv88e6xxx_phy_page_write(ds, phy, 6, 26,
(ret & 0xe0ff) | (temp << 8));
}
static int mv88e6352_get_temp_alarm(struct dsa_switch *ds, bool *alarm)
{
+ int phy = mv88e6xxx_6320_family(ds) ? 3 : 0;
int ret;
*alarm = false;
- ret = mv88e6xxx_phy_page_read(ds, 0, 6, 26);
+ ret = mv88e6xxx_phy_page_read(ds, phy, 6, 26);
if (ret < 0)
return ret;
@@ -394,5 +410,8 @@ struct dsa_switch_driver mv88e6352_switch_driver = {
.fdb_getnext = mv88e6xxx_port_fdb_getnext,
};
-MODULE_ALIAS("platform:mv88e6352");
MODULE_ALIAS("platform:mv88e6172");
+MODULE_ALIAS("platform:mv88e6176");
+MODULE_ALIAS("platform:mv88e6320");
+MODULE_ALIAS("platform:mv88e6321");
+MODULE_ALIAS("platform:mv88e6352");
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index fd8547c2b79d..f394e4d4d9e0 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -517,6 +517,18 @@ static bool mv88e6xxx_6185_family(struct dsa_switch *ds)
return false;
}
+bool mv88e6xxx_6320_family(struct dsa_switch *ds)
+{
+ struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
+
+ switch (ps->id) {
+ case PORT_SWITCH_ID_6320:
+ case PORT_SWITCH_ID_6321:
+ return true;
+ }
+ return false;
+}
+
static bool mv88e6xxx_6351_family(struct dsa_switch *ds)
{
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
@@ -565,7 +577,7 @@ static int _mv88e6xxx_stats_snapshot(struct dsa_switch *ds, int port)
{
int ret;
- if (mv88e6xxx_6352_family(ds))
+ if (mv88e6xxx_6320_family(ds) || mv88e6xxx_6352_family(ds))
port = (port + 1) << 5;
/* Snapshot the hardware statistics counters for this port. */
@@ -1377,7 +1389,7 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port)
if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
mv88e6xxx_6165_family(ds) || mv88e6xxx_6097_family(ds) ||
mv88e6xxx_6185_family(ds) || mv88e6xxx_6095_family(ds) ||
- mv88e6xxx_6065_family(ds)) {
+ mv88e6xxx_6065_family(ds) || mv88e6xxx_6320_family(ds)) {
/* MAC Forcing register: don't force link, speed,
* duplex or flow control state to any particular
* values on physical ports, but force the CPU port
@@ -1423,7 +1435,7 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port)
if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
mv88e6xxx_6165_family(ds) || mv88e6xxx_6097_family(ds) ||
mv88e6xxx_6095_family(ds) || mv88e6xxx_6065_family(ds) ||
- mv88e6xxx_6185_family(ds))
+ mv88e6xxx_6185_family(ds) || mv88e6xxx_6320_family(ds))
reg = PORT_CONTROL_IGMP_MLD_SNOOP |
PORT_CONTROL_USE_TAG | PORT_CONTROL_USE_IP |
PORT_CONTROL_STATE_FORWARDING;
@@ -1431,7 +1443,8 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port)
if (mv88e6xxx_6095_family(ds) || mv88e6xxx_6185_family(ds))
reg |= PORT_CONTROL_DSA_TAG;
if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
- mv88e6xxx_6165_family(ds) || mv88e6xxx_6097_family(ds)) {
+ mv88e6xxx_6165_family(ds) || mv88e6xxx_6097_family(ds) ||
+ mv88e6xxx_6320_family(ds)) {
if (ds->dst->tag_protocol == DSA_TAG_PROTO_EDSA)
reg |= PORT_CONTROL_FRAME_ETHER_TYPE_DSA;
else
@@ -1441,14 +1454,15 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port)
if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
mv88e6xxx_6165_family(ds) || mv88e6xxx_6097_family(ds) ||
mv88e6xxx_6095_family(ds) || mv88e6xxx_6065_family(ds) ||
- mv88e6xxx_6185_family(ds)) {
+ mv88e6xxx_6185_family(ds) || mv88e6xxx_6320_family(ds)) {
if (ds->dst->tag_protocol == DSA_TAG_PROTO_EDSA)
reg |= PORT_CONTROL_EGRESS_ADD_TAG;
}
}
if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
mv88e6xxx_6165_family(ds) || mv88e6xxx_6097_family(ds) ||
- mv88e6xxx_6095_family(ds) || mv88e6xxx_6065_family(ds)) {
+ mv88e6xxx_6095_family(ds) || mv88e6xxx_6065_family(ds) ||
+ mv88e6xxx_6320_family(ds)) {
if (ds->dsa_port_mask & (1 << port))
reg |= PORT_CONTROL_FRAME_MODE_DSA;
if (port == dsa_upstream_port(ds))
@@ -1473,11 +1487,11 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port)
reg = 0;
if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
mv88e6xxx_6165_family(ds) || mv88e6xxx_6097_family(ds) ||
- mv88e6xxx_6095_family(ds))
+ mv88e6xxx_6095_family(ds) || mv88e6xxx_6320_family(ds))
reg = PORT_CONTROL_2_MAP_DA;
if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
- mv88e6xxx_6165_family(ds))
+ mv88e6xxx_6165_family(ds) || mv88e6xxx_6320_family(ds))
reg |= PORT_CONTROL_2_JUMBO_10240;
if (mv88e6xxx_6095_family(ds) || mv88e6xxx_6185_family(ds)) {
@@ -1514,7 +1528,8 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port)
goto abort;
if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
- mv88e6xxx_6165_family(ds) || mv88e6xxx_6097_family(ds)) {
+ mv88e6xxx_6165_family(ds) || mv88e6xxx_6097_family(ds) ||
+ mv88e6xxx_6320_family(ds)) {
/* Do not limit the period of time that this port can
* be paused for by the remote end or the period of
* time that this port can pause the remote end.
@@ -1564,7 +1579,8 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port)
if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
mv88e6xxx_6165_family(ds) || mv88e6xxx_6097_family(ds) ||
- mv88e6xxx_6185_family(ds) || mv88e6xxx_6095_family(ds)) {
+ mv88e6xxx_6185_family(ds) || mv88e6xxx_6095_family(ds) ||
+ mv88e6xxx_6320_family(ds)) {
/* Rate Control: disable ingress rate limiting. */
ret = _mv88e6xxx_reg_write(ds, REG_PORT(port),
PORT_RATE_CONTROL, 0x0001);
@@ -1976,7 +1992,8 @@ int mv88e6xxx_setup_global(struct dsa_switch *ds)
(i << GLOBAL2_TRUNK_MAPPING_ID_SHIFT));
if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
- mv88e6xxx_6165_family(ds) || mv88e6xxx_6097_family(ds)) {
+ mv88e6xxx_6165_family(ds) || mv88e6xxx_6097_family(ds) ||
+ mv88e6xxx_6320_family(ds)) {
/* Send all frames with destination addresses matching
* 01:80:c2:00:00:2x to the CPU port.
*/
@@ -1995,7 +2012,8 @@ int mv88e6xxx_setup_global(struct dsa_switch *ds)
if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
mv88e6xxx_6165_family(ds) || mv88e6xxx_6097_family(ds) ||
- mv88e6xxx_6185_family(ds) || mv88e6xxx_6095_family(ds)) {
+ mv88e6xxx_6185_family(ds) || mv88e6xxx_6095_family(ds) ||
+ mv88e6xxx_6320_family(ds)) {
/* Disable ingress rate limiting by resetting all
* ingress rate limit registers to their initial
* state.
diff --git a/drivers/net/dsa/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx.h
index a650b2656de9..64786cb89a93 100644
--- a/drivers/net/dsa/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx.h
@@ -89,7 +89,12 @@
#define PORT_SWITCH_ID_6182 0x1a60
#define PORT_SWITCH_ID_6185 0x1a70
#define PORT_SWITCH_ID_6240 0x2400
-#define PORT_SWITCH_ID_6320 0x1250
+#define PORT_SWITCH_ID_6320 0x1150
+#define PORT_SWITCH_ID_6320_A1 0x1151
+#define PORT_SWITCH_ID_6320_A2 0x1152
+#define PORT_SWITCH_ID_6321 0x3100
+#define PORT_SWITCH_ID_6321_A1 0x3101
+#define PORT_SWITCH_ID_6321_A2 0x3102
#define PORT_SWITCH_ID_6350 0x3710
#define PORT_SWITCH_ID_6351 0x3750
#define PORT_SWITCH_ID_6352 0x3520
@@ -410,6 +415,7 @@ int mv88e6xxx_port_fdb_getnext(struct dsa_switch *ds, int port,
int mv88e6xxx_phy_page_read(struct dsa_switch *ds, int port, int page, int reg);
int mv88e6xxx_phy_page_write(struct dsa_switch *ds, int port, int page,
int reg, int val);
+bool mv88e6xxx_6320_family(struct dsa_switch *ds);
extern struct dsa_switch_driver mv88e6131_switch_driver;
extern struct dsa_switch_driver mv88e6123_61_65_switch_driver;
extern struct dsa_switch_driver mv88e6352_switch_driver;
--
2.1.0
--
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