diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/mxc_fec.c | 51 |
1 files changed, 41 insertions, 10 deletions
diff --git a/drivers/net/mxc_fec.c b/drivers/net/mxc_fec.c index bca2358..ec8178c 100644 --- a/drivers/net/mxc_fec.c +++ b/drivers/net/mxc_fec.c @@ -76,6 +76,14 @@ #define FEC_MII_WRITE(pa, ra, v) (FEC_MII_FRAME | FEC_MII_OP(FEC_MII_OP_WR)|\ FEC_MII_PA(pa) | FEC_MII_RA(ra) | FEC_MII_SET_DATA(v)) +#ifdef CONFIG_MX6Q_SABREAUTO +#define PHY_MIPSCR_LINK_UP (0x1 << 10) +#define PHY_MIPSCR_SPEED_MASK (0x3 << 14) +#define PHY_MIPSCR_1000M (0x2 << 14) +#define PHY_MIPSCR_100M (0x1 << 14) +#define PHY_MIPSCR_FULL_DUPLEX (0x1 << 13) +#endif + #ifndef CONFIG_SYS_CACHELINE_SIZE #define CONFIG_SYS_CACHELINE_SIZE 32 #endif @@ -312,11 +320,6 @@ static void setFecDuplexSpeed(volatile fec_t *fecp, unsigned char addr, val |= PHY_BMCR_AUTON | PHY_BMCR_RST_NEG; } - /* force mx6 phy works at 100Mbits */ -#ifdef CONFIG_MX6Q - val = PHY_BMCR_100MB | PHY_BMCR_DPLX | PHY_BMCR_RESET; -#endif - ret |= __fec_mii_write(fecp, addr, PHY_BMCR, val); if (!ret && (val & PHY_BMCR_AUTON)) { @@ -331,6 +334,31 @@ static void setFecDuplexSpeed(volatile fec_t *fecp, unsigned char addr, }; } +/* for AR8031 PHY */ +#ifdef CONFIG_MX6Q_SABREAUTO + ret = 100; + /* set default mode to 100M full duplex */ + dup_spd = _100BASET | (FULL << 16); + + /* wait link becomes up, maximum wait 10s */ + while (!__fec_mii_read(fecp, addr, PHY_MIPSCR, &val) && + !(val & PHY_MIPSCR_LINK_UP) && ret--) + udelay(100*1000); + + if (ret) { + if ((val & PHY_MIPSCR_SPEED_MASK) == PHY_MIPSCR_1000M) + dup_spd = _1000BASET; + else if ((val & PHY_MIPSCR_SPEED_MASK) == PHY_MIPSCR_100M) + dup_spd = _100BASET; + else + dup_spd = _10BASET; + + if (val & PHY_MIPSCR_FULL_DUPLEX) + dup_spd |= (FULL << 16); + else + dup_spd |= (HALF << 16); + } +#else ret = __fec_mii_read(fecp, addr, PHY_BMSR, &val); if (ret) { /* set default speed and duplex */ @@ -345,7 +373,7 @@ static void setFecDuplexSpeed(volatile fec_t *fecp, unsigned char addr, else dup_spd |= (HALF << 16); } - +#endif if ((dup_spd >> 16) == FULL) { /* Set maximum frame length */ #ifdef CONFIG_RMII @@ -398,6 +426,7 @@ static void swap_packet(void *packet, int length) } #endif +extern int fec_get_mac_addr(unsigned char *mac); static int fec_get_hwaddr(struct eth_device *dev, unsigned char *mac) { #ifdef CONFIG_GET_FEC_MAC_ADDR_FROM_IIM @@ -888,8 +917,8 @@ int fec_init(struct eth_device *dev, bd_t *bd) /* Enable Swap to support little-endian device */ fecp->ecr |= FEC_ECR_DBSWP; - /* set transmit fifo buffer to 0x1111 */ - fecp->tfwr |= 0x3f; + /* set ENET tx at store and forward mode */ + fecp->tfwr |= (0x1 << 8); #endif /* Now enable the transmit and receive processing */ @@ -931,11 +960,13 @@ void fec_halt(struct eth_device *dev) int mxc_fec_initialize(bd_t *bis) { struct eth_device *dev; - int i, j; + int i; unsigned char ethaddr[6]; for (i = 0; i < sizeof(fec_info) / sizeof(fec_info[0]); i++) { - +#ifdef CONFIG_ARCH_MMU + int j; +#endif dev = (struct eth_device *)memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof *dev); |