diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/davinci_emac.c | 24 | ||||
| -rw-r--r-- | drivers/net/fec_mxc.c | 44 |
2 files changed, 58 insertions, 10 deletions
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c index fa31159..36c33af 100644 --- a/drivers/net/davinci_emac.c +++ b/drivers/net/davinci_emac.c @@ -85,15 +85,17 @@ static int emac_rx_queue_active = 0; /* Receive packet buffers */ static unsigned char emac_rx_buffers[EMAC_MAX_RX_BUFFERS * (EMAC_MAX_ETHERNET_PKT_SIZE + EMAC_PKT_ALIGN)]; -#define MAX_PHY 3 +#ifndef CONFIG_SYS_DAVINCI_EMAC_PHY_COUNT +#define CONFIG_SYS_DAVINCI_EMAC_PHY_COUNT 3 +#endif /* PHY address for a discovered PHY (0xff - not found) */ -static u_int8_t active_phy_addr[MAX_PHY] = { 0xff, 0xff, 0xff }; +static u_int8_t active_phy_addr[CONFIG_SYS_DAVINCI_EMAC_PHY_COUNT]; /* number of PHY found active */ static u_int8_t num_phy; -phy_t phy[MAX_PHY]; +phy_t phy[CONFIG_SYS_DAVINCI_EMAC_PHY_COUNT]; static int davinci_eth_set_mac_addr(struct eth_device *dev) { @@ -160,9 +162,8 @@ static int davinci_eth_phy_detect(void) int j; unsigned int count = 0; - active_phy_addr[0] = 0xff; - active_phy_addr[1] = 0xff; - active_phy_addr[2] = 0xff; + for (i = 0; i < CONFIG_SYS_DAVINCI_EMAC_PHY_COUNT; i++) + active_phy_addr[i] = 0xff; udelay(1000); phy_act_state = readl(&adap_mdio->ALIVE); @@ -175,7 +176,14 @@ static int davinci_eth_phy_detect(void) for (i = 0, j = 0; i < 32; i++) if (phy_act_state & (1 << i)) { count++; - active_phy_addr[j++] = i; + if (count < CONFIG_SYS_DAVINCI_EMAC_PHY_COUNT) { + active_phy_addr[j++] = i; + } else { + printf("%s: to many PHYs detected.\n", + __func__); + count = 0; + break; + } } num_phy = count; @@ -752,7 +760,7 @@ int davinci_emac_initialize(void) if (!ret) return(0); else - printf(" %d ETH PHY detected\n", ret); + debug_emac(" %d ETH PHY detected\n", ret); /* Get PHY ID and initialize phy_ops for a detected PHY */ for (i = 0; i < num_phy; i++) { diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c index 0c0c7cd..b05a4c0 100644 --- a/drivers/net/fec_mxc.c +++ b/drivers/net/fec_mxc.c @@ -42,6 +42,14 @@ DECLARE_GLOBAL_DATA_PTR; #define CONFIG_FEC_XCV_TYPE MII100 #endif +/* + * The i.MX28 operates with packets in big endian. We need to swap them before + * sending and after receiving. + */ +#ifdef CONFIG_MX28 +#define CONFIG_FEC_MXC_SWAP_PACKET +#endif + #undef DEBUG struct nbuf { @@ -51,6 +59,32 @@ struct nbuf { uint8_t head[16]; /**< MAC header(6 + 6 + 2) + 2(aligned) */ }; +#ifdef CONFIG_FEC_MXC_SWAP_PACKET +static void swap_packet(uint32_t *packet, int length) +{ + int i; + + for (i = 0; i < DIV_ROUND_UP(length, 4); i++) + packet[i] = __swab32(packet[i]); +} +#endif + +/* + * The i.MX28 has two ethernet interfaces, but they are not equal. + * Only the first one can access the MDIO bus. + */ +#ifdef CONFIG_MX28 +static inline struct ethernet_regs *fec_miiphy_fec_to_eth(struct fec_priv *fec) +{ + return (struct ethernet_regs *)MXS_ENET0_BASE; +} +#else +static inline struct ethernet_regs *fec_miiphy_fec_to_eth(struct fec_priv *fec) +{ + return fec->eth; +} +#endif + /* * MII-interface related functions */ @@ -59,7 +93,7 @@ static int fec_miiphy_read(const char *dev, uint8_t phyAddr, uint8_t regAddr, { struct eth_device *edev = eth_get_dev_by_name(dev); struct fec_priv *fec = (struct fec_priv *)edev->priv; - struct ethernet_regs *eth = fec->eth; + struct ethernet_regs *eth = fec_miiphy_fec_to_eth(fec); uint32_t reg; /* convenient holder for the PHY register */ uint32_t phy; /* convenient holder for the PHY */ @@ -117,7 +151,7 @@ static int fec_miiphy_write(const char *dev, uint8_t phyAddr, uint8_t regAddr, { struct eth_device *edev = eth_get_dev_by_name(dev); struct fec_priv *fec = (struct fec_priv *)edev->priv; - struct ethernet_regs *eth = fec->eth; + struct ethernet_regs *eth = fec_miiphy_fec_to_eth(fec); uint32_t reg; /* convenient holder for the PHY register */ uint32_t phy; /* convenient holder for the PHY */ @@ -572,6 +606,9 @@ static int fec_send(struct eth_device *dev, volatile void* packet, int length) * Note: We are always using the first buffer for transmission, * the second will be empty and only used to stop the DMA engine */ +#ifdef CONFIG_FEC_MXC_SWAP_PACKET + swap_packet((uint32_t *)packet, length); +#endif writew(length, &fec->tbd_base[fec->tbd_index].data_length); writel((uint32_t)packet, &fec->tbd_base[fec->tbd_index].data_pointer); /* @@ -668,6 +705,9 @@ static int fec_recv(struct eth_device *dev) /* * Fill the buffer and pass it to upper layers */ +#ifdef CONFIG_FEC_MXC_SWAP_PACKET + swap_packet((uint32_t *)frame->data, frame_length); +#endif memcpy(buff, frame->data, frame_length); NetReceive(buff, frame_length); len = frame_length; |