| TBIANA_FULL_DUPLEX \
)
-/* Force the TBI PHY into 1000Mbps full duplex when in SGMII mode */
+/* By default force the TBI PHY into 1000Mbps full duplex when in SGMII mode */
+#ifndef CONFIG_TSEC_TBICR_SETTINGS
#define TBICR_SETTINGS ( \
TBICR_PHY_RESET \
| TBICR_FULL_DUPLEX \
| TBICR_SPEED1_SET \
)
+#else
+#define TBICR_SETTINGS CONFIG_TSEC_TBICR_SETTINGS
+#endif /* CONFIG_TSEC_TBICR_SETTINGS */
/* Configure the TBI for SGMII operation */
static void tsec_configure_serdes(struct tsec_private *priv)
}
return 0;
+}
+/*
+ * Find out if PHY is in copper or serdes mode by looking at Expansion Reg
+ * 0x42 - "Operating Mode Status Register"
+ */
+static int BCM8482_is_serdes(struct tsec_private *priv)
+{
+ u16 val;
+ int serdes = 0;
+
+ write_phy_reg(priv, MIIM_BCM54XX_EXP_SEL, MIIM_BCM54XX_EXP_SEL_ER | 0x42);
+ val = read_phy_reg(priv, MIIM_BCM54XX_EXP_DATA);
+
+ switch (val & 0x1f) {
+ case 0x0d: /* RGMII-to-100Base-FX */
+ case 0x0e: /* RGMII-to-SGMII */
+ case 0x0f: /* RGMII-to-SerDes */
+ case 0x12: /* SGMII-to-SerDes */
+ case 0x13: /* SGMII-to-100Base-FX */
+ case 0x16: /* SerDes-to-Serdes */
+ serdes = 1;
+ break;
+ case 0x6: /* RGMII-to-Copper */
+ case 0x14: /* SGMII-to-Copper */
+ case 0x17: /* SerDes-to-Copper */
+ break;
+ default:
+ printf("ERROR, invalid PHY mode (0x%x\n)", val);
+ break;
+ }
+
+ return serdes;
}
+
+/*
+ * Determine SerDes link speed and duplex from Expansion reg 0x42 "Operating
+ * Mode Status Register"
+ */
+uint mii_parse_BCM5482_serdes_sr(struct tsec_private *priv)
+{
+ u16 val;
+ int i = 0;
+
+ /* Wait 1s for link - Clause 37 autonegotiation happens very fast */
+ while (1) {
+ write_phy_reg(priv, MIIM_BCM54XX_EXP_SEL,
+ MIIM_BCM54XX_EXP_SEL_ER | 0x42);
+ val = read_phy_reg(priv, MIIM_BCM54XX_EXP_DATA);
+
+ if (val & 0x8000)
+ break;
+
+ if (i++ > 1000) {
+ priv->link = 0;
+ return 1;
+ }
+
+ udelay(1000); /* 1 ms */
+ }
+
+ priv->link = 1;
+ switch ((val >> 13) & 0x3) {
+ case (0x00):
+ priv->speed = 10;
+ break;
+ case (0x01):
+ priv->speed = 100;
+ break;
+ case (0x02):
+ priv->speed = 1000;
+ break;
+ }
+
+ priv->duplexity = (val & 0x1000) == 0x1000;
+
+ return 0;
+}
+
+/*
+ * Figure out if BCM5482 is in serdes or copper mode and determine link
+ * configuration accordingly
+ */
+static uint mii_parse_BCM5482_sr(uint mii_reg, struct tsec_private *priv)
+{
+ if (BCM8482_is_serdes(priv)) {
+ mii_parse_BCM5482_serdes_sr(priv);
+ priv->flags |= TSEC_FIBER;
+ } else {
+ /* Wait for auto-negotiation to complete or fail */
+ mii_parse_sr(mii_reg, priv);
+
+ /* Parse BCM54xx copper aux status register */
+ mii_reg = read_phy_reg(priv, MIIM_BCM54xx_AUXSTATUS);
+ mii_parse_BCM54xx_sr(mii_reg, priv);
+ }
+
+ return 0;
+}
+
/* Parse the 88E1011's status register for speed and duplex
* information
*/
break;
}
- printf("Speed: %d, %s duplex\n", priv->speed,
- (priv->duplexity) ? "full" : "half");
+ printf("Speed: %d, %s duplex%s\n", priv->speed,
+ (priv->duplexity) ? "full" : "half",
+ (priv->flags & TSEC_FIBER) ? ", fiber mode" : "");
} else {
printf("%s: No link.\n", dev->name);
regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
regs->dmactrl |= (DMACTRL_GRS | DMACTRL_GTS);
- while (!(regs->ievent & (IEVENT_GRSC | IEVENT_GTSC))) ;
+ while ((regs->ievent & (IEVENT_GRSC | IEVENT_GTSC))
+ != (IEVENT_GRSC | IEVENT_GTSC)) ;
regs->maccfg1 &= ~(MACCFG1_TX_EN | MACCFG1_RX_EN);
/* Read Misc Control register and or in Ethernet@Wirespeed */
{MIIM_BCM54xx_AUXCNTL, 0, &mii_BCM54xx_wirespeed},
{MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+ /* Initial config/enable of secondary SerDes interface */
+ {MIIM_BCM54XX_SHD, MIIM_BCM54XX_SHD_WR_ENCODE(0x14, 0xf), NULL},
+ /* Write intial value to secondary SerDes Contol */
+ {MIIM_BCM54XX_EXP_SEL, MIIM_BCM54XX_EXP_SEL_SSD | 0, NULL},
+ {MIIM_BCM54XX_EXP_DATA, MIIM_CONTROL_RESTART, NULL},
+ /* Enable copper/fiber auto-detect */
+ {MIIM_BCM54XX_SHD, MIIM_BCM54XX_SHD_WR_ENCODE(0x1e, 0x201)},
{miim_end,}
},
(struct phy_cmd[]) { /* startup */
/* Status is read once to clear old link state */
{MIIM_STATUS, miim_read, NULL},
- /* Auto-negotiate */
- {MIIM_STATUS, miim_read, &mii_parse_sr},
- /* Read the status */
- {MIIM_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr},
+ /* Determine copper/fiber, auto-negotiate, and read the result */
+ {MIIM_STATUS, miim_read, &mii_parse_BCM5482_sr},
{miim_end,}
},
(struct phy_cmd[]) { /* shutdown */
},
};
+/* micrel KSZ804 */
+static struct phy_info phy_info_ksz804 = {
+ 0x0022151,
+ "Micrel KSZ804 PHY",
+ 4,
+ (struct phy_cmd[]) { /* config */
+ {PHY_BMCR, PHY_BMCR_RESET, NULL},
+ {PHY_BMCR, PHY_BMCR_AUTON|PHY_BMCR_RST_NEG, NULL},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* startup */
+ {PHY_BMSR, miim_read, NULL},
+ {PHY_BMSR, miim_read, &mii_parse_sr},
+ {PHY_BMSR, miim_read, &mii_parse_link},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* shutdown */
+ {miim_end,}
+ }
+};
+
/* a generic flavor. */
static struct phy_info phy_info_generic = {
0,
&phy_info_M88E1145,
&phy_info_M88E1149S,
&phy_info_dm9161,
+ &phy_info_ksz804,
&phy_info_lxt971,
&phy_info_VSC8211,
&phy_info_VSC8244,
projects / u-boot / blobdiff