diff options
Diffstat (limited to 'cpu/ppc4xx/440gx_enet.c')
| -rw-r--r-- | cpu/ppc4xx/440gx_enet.c | 63 |
1 files changed, 34 insertions, 29 deletions
diff --git a/cpu/ppc4xx/440gx_enet.c b/cpu/ppc4xx/440gx_enet.c index 24e6ef3..f4004fb 100644 --- a/cpu/ppc4xx/440gx_enet.c +++ b/cpu/ppc4xx/440gx_enet.c @@ -391,6 +391,7 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) failsafe--; } +#if defined(CONFIG_440_GX) /* Whack the M1 register */ mode_reg = 0x0; mode_reg &= ~0x00000038; @@ -405,7 +406,7 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) mode_reg |= EMAC_M1_OBCI_GT100; out32 (EMAC_M1 + hw_p->hw_addr, mode_reg); - +#endif /* defined(CONFIG_440_GX) */ /* wait for PHY to complete auto negotiation */ reg_short = 0; @@ -432,6 +433,7 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) bis->bi_phynum[devnum] = reg; +#ifndef CONFIG_NO_PHY_RESET /* * Reset the phy, only if its the first time through * otherwise, just check the speeds & feeds @@ -441,35 +443,36 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) #if defined(CONFIG_440_GX) #if defined(CONFIG_CIS8201_PHY) - /* - * Cicada 8201 PHY needs to have an extended register whacked - * for RGMII mode. - */ - if ( ((devnum == 2) || (devnum ==3)) && (4 == ethgroup) ) { - miiphy_write (reg, 23, 0x1200); /* - * Vitesse VSC8201/Cicada CIS8201 errata: - * Interoperability problem with Intel 82547EI phys - * This work around (provided by Vitesse) changes - * the default timer convergence from 8ms to 12ms + * Cicada 8201 PHY needs to have an extended register whacked + * for RGMII mode. */ - miiphy_write (reg, 0x1f, 0x2a30); - miiphy_write (reg, 0x08, 0x0200); - miiphy_write (reg, 0x1f, 0x52b5); - miiphy_write (reg, 0x02, 0x0004); - miiphy_write (reg, 0x01, 0x0671); - miiphy_write (reg, 0x00, 0x8fae); - miiphy_write (reg, 0x1f, 0x2a30); - miiphy_write (reg, 0x08, 0x0000); - miiphy_write (reg, 0x1f, 0x0000); - /* end Vitesse/Cicada errata */ - } + if ( ((devnum == 2) || (devnum ==3)) && (4 == ethgroup) ) { + miiphy_write (reg, 23, 0x1200); + /* + * Vitesse VSC8201/Cicada CIS8201 errata: + * Interoperability problem with Intel 82547EI phys + * This work around (provided by Vitesse) changes + * the default timer convergence from 8ms to 12ms + */ + miiphy_write (reg, 0x1f, 0x2a30); + miiphy_write (reg, 0x08, 0x0200); + miiphy_write (reg, 0x1f, 0x52b5); + miiphy_write (reg, 0x02, 0x0004); + miiphy_write (reg, 0x01, 0x0671); + miiphy_write (reg, 0x00, 0x8fae); + miiphy_write (reg, 0x1f, 0x2a30); + miiphy_write (reg, 0x08, 0x0000); + miiphy_write (reg, 0x1f, 0x0000); + /* end Vitesse/Cicada errata */ + } #endif #endif /* Start/Restart autonegotiation */ phy_setup_aneg (reg); udelay (1000); } +#endif /* CONFIG_NO_PHY_RESET */ miiphy_read (reg, PHY_BMSR, ®_short); @@ -538,14 +541,16 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis) } /* set the Mal configuration reg */ +#if defined(CONFIG_440_GX) + mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | + MAL_CR_PLBLT_DEFAULT | MAL_CR_EOPIE | 0x00330000); +#else + mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT); /* Errata 1.12: MAL_1 -- Disable MAL bursting */ - if (get_pvr () == PVR_440GP_RB) - mtdcr (malmcr, - MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT); - else - mtdcr (malmcr, - MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | - MAL_CR_PLBLT_DEFAULT | MAL_CR_EOPIE | 0x00330000); + if (get_pvr() == PVR_440GP_RB) { + mtdcr (malmcr, mfdcr(malmcr) & ~MAL_CR_PLBB); + } +#endif /* Free "old" buffers */ if (hw_p->alloc_tx_buf) |