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path: root/drivers/rapidio/switches/tsi568.c
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Diffstat (limited to 'drivers/rapidio/switches/tsi568.c')
-rw-r--r--drivers/rapidio/switches/tsi568.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/rapidio/switches/tsi568.c b/drivers/rapidio/switches/tsi568.c
index bce9112ff0d..905cf9cb09c 100644
--- a/drivers/rapidio/switches/tsi568.c
+++ b/drivers/rapidio/switches/tsi568.c
@@ -25,6 +25,9 @@
#define SPP_ROUTE_CFG_DESTID(n) (0x11070 + 0x100*n)
#define SPP_ROUTE_CFG_PORT(n) (0x11074 + 0x100*n)
+#define TSI568_SP_MODE_BC 0x10004
+#define TSI568_SP_MODE_PW_DIS 0x08000000
+
static int
tsi568_route_add_entry(struct rio_mport *mport, u16 destid, u8 hopcount,
u16 table, u16 route_destid, u8 route_port)
@@ -104,3 +107,24 @@ tsi568_route_clr_table(struct rio_mport *mport, u16 destid, u8 hopcount,
}
DECLARE_RIO_ROUTE_OPS(RIO_VID_TUNDRA, RIO_DID_TSI568, tsi568_route_add_entry, tsi568_route_get_entry, tsi568_route_clr_table);
+
+static int
+tsi568_em_init(struct rio_dev *rdev)
+{
+ struct rio_mport *mport = rdev->net->hport;
+ u16 destid = rdev->rswitch->destid;
+ u8 hopcount = rdev->rswitch->hopcount;
+ u32 regval;
+
+ pr_debug("TSI568 %s [%d:%d]\n", __func__, destid, hopcount);
+
+ /* Make sure that Port-Writes are disabled (for all ports) */
+ rio_mport_read_config_32(mport, destid, hopcount,
+ TSI568_SP_MODE_BC, &regval);
+ rio_mport_write_config_32(mport, destid, hopcount,
+ TSI568_SP_MODE_BC, regval | TSI568_SP_MODE_PW_DIS);
+
+ return 0;
+}
+
+DECLARE_RIO_EM_OPS(RIO_VID_TUNDRA, RIO_DID_TSI568, tsi568_em_init, NULL);