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authorPeter Korsgaard <jacmet@sunsite.dk>2011-04-05 03:03:56 +0000
committerDavid S. Miller <davem@davemloft.net>2011-04-06 13:32:53 -0700
commitec80bfcb68a0c46443991991d459a0cde773cdea (patch)
treefe4e35db09c18c44b89b55189aa4594218b5fff4 /net/dsa
parent47482f132a689af168fae3055ff1899dfd032d3a (diff)
downloadlinux-stericsson-ec80bfcb68a0c46443991991d459a0cde773cdea.tar.gz
dsa/mv88e6131: add support for mv88e6085 switch
The mv88e6085 is identical to the mv88e6095, except that all ports are 10/100 Mb/s, so use the existing setup code except for the cpu/dsa speed selection in _setup_port(). Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Acked-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dsa')
-rw-r--r--net/dsa/mv88e6131.c23
-rw-r--r--net/dsa/mv88e6xxx.h2
2 files changed, 21 insertions, 4 deletions
diff --git a/net/dsa/mv88e6131.c b/net/dsa/mv88e6131.c
index bb2b41bc854e..a8e4f8c7dca4 100644
--- a/net/dsa/mv88e6131.c
+++ b/net/dsa/mv88e6131.c
@@ -14,6 +14,13 @@
#include "dsa_priv.h"
#include "mv88e6xxx.h"
+/*
+ * Switch product IDs
+ */
+#define ID_6085 0x04a0
+#define ID_6095 0x0950
+#define ID_6131 0x1060
+
static char *mv88e6131_probe(struct mii_bus *bus, int sw_addr)
{
int ret;
@@ -21,9 +28,11 @@ static char *mv88e6131_probe(struct mii_bus *bus, int sw_addr)
ret = __mv88e6xxx_reg_read(bus, sw_addr, REG_PORT(0), 0x03);
if (ret >= 0) {
ret &= 0xfff0;
- if (ret == 0x0950)
+ if (ret == ID_6085)
+ return "Marvell 88E6085";
+ if (ret == ID_6095)
return "Marvell 88E6095/88E6095F";
- if (ret == 0x1060)
+ if (ret == ID_6131)
return "Marvell 88E6131";
}
@@ -164,6 +173,7 @@ static int mv88e6131_setup_global(struct dsa_switch *ds)
static int mv88e6131_setup_port(struct dsa_switch *ds, int p)
{
+ struct mv88e6xxx_priv_state *ps = (void *)(ds + 1);
int addr = REG_PORT(p);
u16 val;
@@ -171,10 +181,13 @@ static int mv88e6131_setup_port(struct dsa_switch *ds, int p)
* 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 and all DSA ports to 1000 Mb/s
- * full duplex.
+ * (100 Mb/s on 6085) full duplex.
*/
if (dsa_is_cpu_port(ds, p) || ds->dsa_port_mask & (1 << p))
- REG_WRITE(addr, 0x01, 0x003e);
+ if (ps->id == ID_6085)
+ REG_WRITE(addr, 0x01, 0x003d); /* 100 Mb/s */
+ else
+ REG_WRITE(addr, 0x01, 0x003e); /* 1000 Mb/s */
else
REG_WRITE(addr, 0x01, 0x0003);
@@ -286,6 +299,8 @@ static int mv88e6131_setup(struct dsa_switch *ds)
mv88e6xxx_ppu_state_init(ds);
mutex_init(&ps->stats_mutex);
+ ps->id = REG_READ(REG_PORT(0), 0x03) & 0xfff0;
+
ret = mv88e6131_switch_reset(ds);
if (ret < 0)
return ret;
diff --git a/net/dsa/mv88e6xxx.h b/net/dsa/mv88e6xxx.h
index eb0e0aaa9f1b..61156ca26a0d 100644
--- a/net/dsa/mv88e6xxx.h
+++ b/net/dsa/mv88e6xxx.h
@@ -39,6 +39,8 @@ struct mv88e6xxx_priv_state {
* Hold this mutex over snapshot + dump sequences.
*/
struct mutex stats_mutex;
+
+ int id; /* switch product id */
};
struct mv88e6xxx_hw_stat {