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-rw-r--r--drivers/net/fm/fm.h1
-rw-r--r--drivers/net/fm/init.c44
2 files changed, 45 insertions, 0 deletions
diff --git a/drivers/net/fm/fm.h b/drivers/net/fm/fm.h
index 38fdbcdc42..5f197a9829 100644
--- a/drivers/net/fm/fm.h
+++ b/drivers/net/fm/fm.h
@@ -21,6 +21,7 @@
#define TX_PORT_1G_BASE 0x28
#define MAX_NUM_TX_PORT_1G CONFIG_SYS_NUM_FM1_DTSEC
#define TX_PORT_10G_BASE 0x30
+#define MIIM_TIMEOUT 0xFFFF
struct fm_muram {
u32 base;
diff --git a/drivers/net/fm/init.c b/drivers/net/fm/init.c
index 14fa2ce59c..2d13145f14 100644
--- a/drivers/net/fm/init.c
+++ b/drivers/net/fm/init.c
@@ -274,3 +274,47 @@ void fdt_fixup_fman_ethernet(void *blob)
}
#endif
}
+
+/*QSGMII Riser Card can work in SGMII mode, but the PHY address is different.
+ *This function scans which Riser Card being used(QSGMII or SGMII Riser Card),
+ *then set the correct PHY address
+ */
+void set_sgmii_phy(struct mii_dev *bus, enum fm_port base_port,
+ unsigned int port_num, int phy_base_addr)
+{
+ unsigned int regnum = 0;
+ int qsgmii;
+ int i;
+ int phy_real_addr;
+
+ qsgmii = is_qsgmii_riser_card(bus, phy_base_addr, port_num, regnum);
+
+ if (!qsgmii)
+ return;
+
+ for (i = base_port; i < base_port + port_num; i++) {
+ if (fm_info_get_enet_if(i) == PHY_INTERFACE_MODE_SGMII) {
+ phy_real_addr = phy_base_addr + i - base_port;
+ fm_info_set_phy_address(i, phy_real_addr);
+ }
+ }
+}
+
+/*to check whether qsgmii riser card is used*/
+int is_qsgmii_riser_card(struct mii_dev *bus, int phy_base_addr,
+ unsigned int port_num, unsigned regnum)
+{
+ int i;
+ int val;
+
+ if (!bus)
+ return 0;
+
+ for (i = phy_base_addr; i < phy_base_addr + port_num; i++) {
+ val = bus->read(bus, i, MDIO_DEVAD_NONE, regnum);
+ if (val != MIIM_TIMEOUT)
+ return 1;
+ }
+
+ return 0;
+}
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