diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/fec_mxc.c | 73 |
1 files changed, 32 insertions, 41 deletions
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c index 19116f2..446076f 100644 --- a/drivers/net/fec_mxc.c +++ b/drivers/net/fec_mxc.c @@ -108,6 +108,17 @@ static int fec_miiphy_read(char *dev, uint8_t phyAddr, uint8_t regAddr, return 0; } +static void fec_mii_setspeed(struct fec_priv *fec) +{ + /* + * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock + * and do not drop the Preamble. + */ + writel((((imx_get_fecclk() / 1000000) + 2) / 5) << 1, + &fec->eth->mii_speed); + debug("fec_init: mii_speed %#lx\n", + fec->eth->mii_speed); +} static int fec_miiphy_write(char *dev, uint8_t phyAddr, uint8_t regAddr, uint16_t data) { @@ -236,7 +247,7 @@ static int fec_rbd_init(struct fec_priv *fec, int count, int size) fec->rdb_ptr = malloc(size * count + DB_DATA_ALIGNMENT); p = (uint32_t)fec->rdb_ptr; if (!p) { - puts("fec_imx27: not enough malloc memory!\n"); + puts("fec_mxc: not enough malloc memory\n"); return -ENOMEM; } memset((void *)p, 0, size * count + DB_DATA_ALIGNMENT); @@ -299,6 +310,13 @@ static void fec_rbd_clean(int last, struct fec_bd *pRbd) static int fec_get_hwaddr(struct eth_device *dev, unsigned char *mac) { +/* + * The MX27 can store the mac address in internal eeprom + * This mechanism is not supported now by MX51 + */ +#ifdef CONFIG_MX51 + return -1; +#else struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE; int i; @@ -306,10 +324,12 @@ static int fec_get_hwaddr(struct eth_device *dev, unsigned char *mac) mac[6-1-i] = readl(&iim->iim_bank_area0[IIM0_MAC + i]); return is_valid_ether_addr(mac); +#endif } -static int fec_set_hwaddr(struct eth_device *dev, unsigned char *mac) +static int fec_set_hwaddr(struct eth_device *dev) { + uchar *mac = dev->enetaddr; struct fec_priv *fec = (struct fec_priv *)dev->priv; writel(0, &fec->eth->iaddr1); @@ -373,7 +393,7 @@ static int fec_init(struct eth_device *dev, bd_t* bd) sizeof(struct fec_bd) + DB_ALIGNMENT); base = (uint32_t)fec->base_ptr; if (!base) { - puts("fec_imx27: not enough malloc memory!\n"); + puts("fec_mxc: not enough malloc memory\n"); return -ENOMEM; } memset((void *)base, 0, (2 + FEC_RBD_NUM) * @@ -411,14 +431,8 @@ static int fec_init(struct eth_device *dev, bd_t* bd) * Frame length=1518; MII mode; */ writel(0x05ee0024, &fec->eth->r_cntrl); /* FIXME 0x05ee0004 */ - /* - * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock - * and do not drop the Preamble. - */ - writel((((imx_get_ahbclk() / 1000000) + 2) / 5) << 1, - &fec->eth->mii_speed); - debug("fec_init: mii_speed %#lx\n", - (((imx_get_ahbclk() / 1000000) + 2) / 5) << 1); + + fec_mii_setspeed(fec); } /* * Set Opcode/Pause Duration Register @@ -460,6 +474,7 @@ static int fec_init(struct eth_device *dev, bd_t* bd) miiphy_restart_aneg(dev); fec_open(dev); + fec_set_hwaddr(dev); return 0; } @@ -522,7 +537,7 @@ static int fec_send(struct eth_device *dev, volatile void* packet, int length) * Check for valid length of data. */ if ((length > 1500) || (length <= 0)) { - printf("Payload (%d) to large!\n", length); + printf("Payload (%d) too large\n", length); return -1; } @@ -651,22 +666,14 @@ static int fec_recv(struct eth_device *dev) static int fec_probe(bd_t *bd) { - struct pll_regs *pll = (struct pll_regs *)IMX_PLL_BASE; struct eth_device *edev; struct fec_priv *fec = &gfec; - unsigned char ethaddr_str[20]; unsigned char ethaddr[6]; - char *tmp = getenv("ethaddr"); - char *end; - - /* enable FEC clock */ - writel(readl(&pll->pccr1) | PCCR1_HCLK_FEC, &pll->pccr1); - writel(readl(&pll->pccr0) | PCCR0_FEC_EN, &pll->pccr0); /* create and fill edev struct */ edev = (struct eth_device *)malloc(sizeof(struct eth_device)); if (!edev) { - puts("fec_imx27: not enough malloc memory!\n"); + puts("fec_mxc: not enough malloc memory\n"); return -ENOMEM; } edev->priv = fec; @@ -702,14 +709,7 @@ static int fec_probe(bd_t *bd) * Frame length=1518; MII mode; */ writel(0x05ee0024, &fec->eth->r_cntrl); /* FIXME 0x05ee0004 */ - /* - * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock - * and do not drop the Preamble. - */ - writel((((imx_get_ahbclk() / 1000000) + 2) / 5) << 1, - &fec->eth->mii_speed); - debug("fec_init: mii_speed %#lx\n", - (((imx_get_ahbclk() / 1000000) + 2) / 5) << 1); + fec_mii_setspeed(fec); sprintf(edev->name, "FEC_MXC"); @@ -717,20 +717,11 @@ static int fec_probe(bd_t *bd) eth_register(edev); - if ((NULL != tmp) && (12 <= strlen(tmp))) { - int i; - /* convert MAC from string to int */ - for (i = 0; i < 6; i++) { - ethaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0; - if (tmp) - tmp = (*end) ? end + 1 : end; - } - } else if (fec_get_hwaddr(edev, ethaddr) == 0) { + if (fec_get_hwaddr(edev, ethaddr) == 0) { printf("got MAC address from EEPROM: %pM\n", ethaddr); - setenv("ethaddr", (char *)ethaddr_str); + memcpy(edev->enetaddr, ethaddr, 6); + fec_set_hwaddr(edev); } - memcpy(edev->enetaddr, ethaddr, 6); - fec_set_hwaddr(edev, ethaddr); return 0; } |