diff options
Diffstat (limited to 'drivers/tsec.c')
| -rw-r--r-- | drivers/tsec.c | 183 |
1 files changed, 182 insertions, 1 deletions
diff --git a/drivers/tsec.c b/drivers/tsec.c index 2524e4f..b418773 100644 --- a/drivers/tsec.c +++ b/drivers/tsec.c @@ -5,7 +5,7 @@ * terms of the GNU Public License, Version 2, incorporated * herein by reference. * - * Copyright 2004 Freescale Semiconductor. + * Copyright 2004, 2007 Freescale Semiconductor, Inc. * (C) Copyright 2003, Motorola, Inc. * author Andy Fleming * @@ -66,7 +66,11 @@ struct tsec_info_struct { */ static struct tsec_info_struct tsec_info[] = { #if defined(CONFIG_MPC85XX_TSEC1) || defined(CONFIG_MPC83XX_TSEC1) +#if defined(CONFIG_MPC8544DS) + {TSEC1_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC1_PHYIDX}, +#else {TSEC1_PHY_ADDR, TSEC_GIGABIT, TSEC1_PHYIDX}, +#endif #elif defined(CONFIG_MPC86XX_TSEC1) {TSEC1_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC1_PHYIDX}, #else @@ -381,6 +385,131 @@ uint mii_parse_sr(uint mii_reg, struct tsec_private * priv) return 0; } +/* Generic function which updates the speed and duplex. If + * autonegotiation is enabled, it uses the AND of the link + * partner's advertised capabilities and our advertised + * capabilities. If autonegotiation is disabled, we use the + * appropriate bits in the control register. + * + * Stolen from Linux's mii.c and phy_device.c + */ +uint mii_parse_link(uint mii_reg, struct tsec_private *priv) +{ + /* We're using autonegotiation */ + if (mii_reg & PHY_BMSR_AUTN_ABLE) { + uint lpa = 0; + uint gblpa = 0; + + /* Check for gigabit capability */ + if (mii_reg & PHY_BMSR_EXT) { + /* We want a list of states supported by + * both PHYs in the link + */ + gblpa = read_phy_reg(priv, PHY_1000BTSR); + gblpa &= read_phy_reg(priv, PHY_1000BTCR) << 2; + } + + /* Set the baseline so we only have to set them + * if they're different + */ + priv->speed = 10; + priv->duplexity = 0; + + /* Check the gigabit fields */ + if (gblpa & (PHY_1000BTSR_1000FD | PHY_1000BTSR_1000HD)) { + priv->speed = 1000; + + if (gblpa & PHY_1000BTSR_1000FD) + priv->duplexity = 1; + + /* We're done! */ + return 0; + } + + lpa = read_phy_reg(priv, PHY_ANAR); + lpa &= read_phy_reg(priv, PHY_ANLPAR); + + if (lpa & (PHY_ANLPAR_TXFD | PHY_ANLPAR_TX)) { + priv->speed = 100; + + if (lpa & PHY_ANLPAR_TXFD) + priv->duplexity = 1; + + } else if (lpa & PHY_ANLPAR_10FD) + priv->duplexity = 1; + } else { + uint bmcr = read_phy_reg(priv, PHY_BMCR); + + priv->speed = 10; + priv->duplexity = 0; + + if (bmcr & PHY_BMCR_DPLX) + priv->duplexity = 1; + + if (bmcr & PHY_BMCR_1000_MBPS) + priv->speed = 1000; + else if (bmcr & PHY_BMCR_100_MBPS) + priv->speed = 100; + } + + return 0; +} + +/* + * Parse the BCM54xx status register for speed and duplex information. + * The linux sungem_phy has this information, but in a table format. + */ +uint mii_parse_BCM54xx_sr(uint mii_reg, struct tsec_private *priv) +{ + + switch((mii_reg & MIIM_BCM54xx_AUXSTATUS_LINKMODE_MASK) >> MIIM_BCM54xx_AUXSTATUS_LINKMODE_SHIFT){ + + case 1: + printf("Enet starting in 10BT/HD\n"); + priv->duplexity = 0; + priv->speed = 10; + break; + + case 2: + printf("Enet starting in 10BT/FD\n"); + priv->duplexity = 1; + priv->speed = 10; + break; + + case 3: + printf("Enet starting in 100BT/HD\n"); + priv->duplexity = 0; + priv->speed = 100; + break; + + case 5: + printf("Enet starting in 100BT/FD\n"); + priv->duplexity = 1; + priv->speed = 100; + break; + + case 6: + printf("Enet starting in 1000BT/HD\n"); + priv->duplexity = 0; + priv->speed = 1000; + break; + + case 7: + printf("Enet starting in 1000BT/FD\n"); + priv->duplexity = 1; + priv->speed = 1000; + break; + + default: + printf("Auto-neg error, defaulting to 10BT/HD\n"); + priv->duplexity = 0; + priv->speed = 10; + break; + } + + return 0; + +} /* Parse the 88E1011's status register for speed and duplex * information */ @@ -663,6 +792,7 @@ static void startup_tsec(struct eth_device *dev) /* Start up the PHY */ if(priv->phyinfo) phy_run_commands(priv, priv->phyinfo->startup); + adjust_link(dev); /* Enable Transmit and Receive */ @@ -770,6 +900,34 @@ static void tsec_halt(struct eth_device *dev) phy_run_commands(priv, priv->phyinfo->shutdown); } +/* The 5411 id is 0x206070, the 5421 is 0x2060e0 */ +struct phy_info phy_info_BCM5461S = { + 0x02060c1, /* 5461 ID */ + "Broadcom BCM5461S", + 0, /* not clear to me what minor revisions we can shift away */ + (struct phy_cmd[]) { /* config */ + /* Reset and configure the PHY */ + {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, + {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL}, + {MIIM_ANAR, MIIM_ANAR_INIT, NULL}, + {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, + {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, + {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}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + }, +}; + struct phy_info phy_info_M88E1011S = { 0x01410c6, "Marvell 88E1011S", @@ -1005,6 +1163,27 @@ struct phy_info phy_info_dm9161 = { {miim_end,} }, }; +/* a generic flavor. */ +struct phy_info phy_info_generic = { + 0, + "Unknown/Generic PHY", + 32, + (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,} + } +}; + uint mii_parse_lxt971_sr2(uint mii_reg, struct tsec_private *priv) { @@ -1112,6 +1291,7 @@ struct phy_info phy_info_dp83865 = { struct phy_info *phy_info[] = { &phy_info_cis8204, &phy_info_cis8201, + &phy_info_BCM5461S, &phy_info_M88E1011S, &phy_info_M88E1111S, &phy_info_M88E1145, @@ -1119,6 +1299,7 @@ struct phy_info *phy_info[] = { &phy_info_lxt971, &phy_info_VSC8244, &phy_info_dp83865, + &phy_info_generic, NULL }; |