diff options
Diffstat (limited to 'cpu/arm926ejs/davinci/lxt972.c')
| -rw-r--r-- | cpu/arm926ejs/davinci/lxt972.c | 54 |
1 files changed, 20 insertions, 34 deletions
diff --git a/cpu/arm926ejs/davinci/lxt972.c b/cpu/arm926ejs/davinci/lxt972.c index 6eeb6e5..8130b48 100644 --- a/cpu/arm926ejs/davinci/lxt972.c +++ b/cpu/arm926ejs/davinci/lxt972.c @@ -27,6 +27,7 @@ #include <common.h> #include <net.h> +#include <miiphy.h> #include <lxt971a.h> #include <asm/arch/emac_defs.h> @@ -36,11 +37,11 @@ int lxt972_is_phy_connected(int phy_addr) { - u_int16_t id1, id2; + u_int16_t id1, id2; - if (!dm644x_eth_phy_read(phy_addr, PHY_COMMON_ID1, &id1)) + if (!dm644x_eth_phy_read(phy_addr, PHY_PHYIDR1, &id1)) return(0); - if (!dm644x_eth_phy_read(phy_addr, PHY_COMMON_ID2, &id2)) + if (!dm644x_eth_phy_read(phy_addr, PHY_PHYIDR2, &id2)) return(0); if ((id1 == (0x0013)) && ((id2 & 0xfff0) == 0x78e0)) @@ -51,8 +52,8 @@ int lxt972_is_phy_connected(int phy_addr) int lxt972_get_link_speed(int phy_addr) { - u_int16_t stat1, tmp; - volatile emac_regs* emac = (emac_regs *)EMAC_BASE_ADDR; + u_int16_t stat1, tmp; + volatile emac_regs *emac = (emac_regs *)EMAC_BASE_ADDR; if (!dm644x_eth_phy_read(phy_addr, PHY_LXT971_STAT2, &stat1)) return(0); @@ -70,37 +71,23 @@ int lxt972_get_link_speed(int phy_addr) if (!dm644x_eth_phy_read(phy_addr, PHY_LXT971_DIG_CFG, &tmp)) return(0); - /* Speed doesn't matter, there is no setting for it in EMAC... */ - if (stat1 & PHY_LXT971_STAT2_100BTX) { - if (stat1 & PHY_LXT971_STAT2_DUPLEX_MODE) { - /* set DM644x EMAC for Full Duplex */ - emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE | EMAC_MACCONTROL_FULLDUPLEX_ENABLE; - } else { - /*set DM644x EMAC for Half Duplex */ - emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE; - } - - return(1); + if (stat1 & PHY_LXT971_STAT2_DUPLEX_MODE) { + /* set DM644x EMAC for Full Duplex */ + emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE | + EMAC_MACCONTROL_FULLDUPLEX_ENABLE; } else { - if (stat1 & PHY_LXT971_STAT2_DUPLEX_MODE) { - /* set DM644x EMAC for Full Duplex */ - emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE | EMAC_MACCONTROL_FULLDUPLEX_ENABLE; - } else { - /*set DM644x EMAC for Half Duplex */ - emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE; - } - - return(1); + /*set DM644x EMAC for Half Duplex */ + emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE; } - return(0); + return(1); } int lxt972_init_phy(int phy_addr) { - int ret = 1; + int ret = 1; if (!lxt972_get_link_speed(phy_addr)) { /* Try another time */ @@ -116,22 +103,21 @@ int lxt972_init_phy(int phy_addr) int lxt972_auto_negotiate(int phy_addr) { - u_int16_t tmp; - + u_int16_t tmp; - if (!dm644x_eth_phy_read(phy_addr, PHY_COMMON_CTRL, &tmp)) + if (!dm644x_eth_phy_read(phy_addr, PHY_BMCR, &tmp)) return(0); /* Restart Auto_negotiation */ - tmp |= PHY_COMMON_CTRL_RES_AUTO; - dm644x_eth_phy_write(phy_addr, PHY_COMMON_CTRL, tmp); + tmp |= PHY_BMCR_RST_NEG; + dm644x_eth_phy_write(phy_addr, PHY_BMCR, tmp); /*check AutoNegotiate complete */ udelay (10000); - if (!dm644x_eth_phy_read(phy_addr, PHY_COMMON_STAT, &tmp)) + if (!dm644x_eth_phy_read(phy_addr, PHY_BMSR, &tmp)) return(0); - if (!(tmp & PHY_COMMON_STAT_AN_COMP)) + if (!(tmp & PHY_BMSR_AUTN_COMP)) return(0); return (lxt972_get_link_speed(phy_addr)); |