uint8_t head[16]; /**< MAC header(6 + 6 + 2) + 2(aligned) */
};
+static int rx_idx;
+
#ifdef CONFIG_FEC_MXC_SWAP_PACKET
static void swap_packet(uint32_t *packet, int length)
{
{
uint32_t reg; /* convenient holder for the PHY register */
uint32_t phy; /* convenient holder for the PHY */
- uint32_t start;
+ ulong start;
int val;
/*
start = get_timer(0);
while (!(readl(ð->ievent) & FEC_IEVENT_MII)) {
if (get_timer(start) > (CONFIG_SYS_HZ / 1000)) {
+ if (readl(ð->ievent) & FEC_IEVENT_MII)
+ break;
printf("Read MDIO failed...\n");
return -1;
}
* it's now safe to read the PHY's register
*/
val = (unsigned short)readl(ð->mii_data);
- debug("%s: phy: %02x reg:%02x val:%#x\n", __func__, phyAddr,
+ debug("%s: phy: %02x reg:%02x val:%#06x\n", __func__, phyAddr,
regAddr, val);
return val;
}
{
uint32_t reg; /* convenient holder for the PHY register */
uint32_t phy; /* convenient holder for the PHY */
- uint32_t start;
+ ulong start;
reg = regAddr << FEC_MII_DATA_RA_SHIFT;
phy = phyAddr << FEC_MII_DATA_PA_SHIFT;
start = get_timer(0);
while (!(readl(ð->ievent) & FEC_IEVENT_MII)) {
if (get_timer(start) > (CONFIG_SYS_HZ / 1000)) {
+ if (readl(ð->ievent) & FEC_IEVENT_MII)
+ break;
printf("Write MDIO failed...\n");
return -1;
}
* clear MII interrupt bit
*/
writel(FEC_IEVENT_MII, ð->ievent);
- debug("%s: phy: %02x reg:%02x val:%#x\n", __func__, phyAddr,
+ debug("%s: phy: %02x reg:%02x val:%#06x\n", __func__, phyAddr,
regAddr, data);
return 0;
#ifndef CONFIG_PHYLIB
static int miiphy_restart_aneg(struct eth_device *dev)
{
+ int ret = 0;
+#if !defined(CONFIG_FEC_MXC_NO_ANEG)
struct fec_priv *fec = (struct fec_priv *)dev->priv;
struct ethernet_regs *eth = fec->bus->priv;
- int ret = 0;
/*
* Wake up from sleep if necessary
if (fec->mii_postcall)
ret = fec->mii_postcall(fec->phy_id);
+#endif
return ret;
}
}
#endif
-static int fec_rx_task_enable(struct fec_priv *fec)
+static inline void fec_rx_task_enable(struct fec_priv *fec)
{
writel(1 << 24, &fec->eth->r_des_active);
- return 0;
}
-static int fec_rx_task_disable(struct fec_priv *fec)
+static inline void fec_rx_task_disable(struct fec_priv *fec)
{
- return 0;
}
-static int fec_tx_task_enable(struct fec_priv *fec)
+static inline void fec_tx_task_enable(struct fec_priv *fec)
{
writel(1 << 24, &fec->eth->x_des_active);
- return 0;
}
-static int fec_tx_task_disable(struct fec_priv *fec)
+static inline void fec_tx_task_disable(struct fec_priv *fec)
{
- return 0;
}
/**
writew(0x0000, &fec->tbd_base[0].status);
writew(FEC_TBD_WRAP, &fec->tbd_base[1].status);
fec->tbd_index = 0;
- flush_dcache_range(addr, addr+size);
+ flush_dcache_range(addr, addr + size);
}
/**
struct fec_priv *fec = (struct fec_priv *)dev->priv;
struct phy_device *phydev;
- phydev = phy_connect(fec->bus, fec->phy_id, dev,
- PHY_INTERFACE_MODE_RGMII);
+ if (fec->phy_id < 0) {
+ int phy_id;
+
+ for (phy_id = 0; phy_id < 32; phy_id++) {
+ debug("%s: Probing PHY ID %02x\n", __func__, phy_id);
+ phydev = phy_connect(fec->bus, phy_id, dev,
+ PHY_INTERFACE_MODE_RGMII);
+
+ if (phydev)
+ break;
+ }
+ } else {
+ phydev = phy_connect(fec->bus, fec->phy_id, dev,
+ PHY_INTERFACE_MODE_RGMII);
+ }
if (phydev) {
fec->phydev = phydev;
phy_config(phydev);
#endif
}
+/*
+ * Do initial configuration of the FEC registers
+ */
+static void fec_reg_setup(struct fec_priv *fec)
+{
+ uint32_t rcntrl;
+
+ /*
+ * Set interrupt mask register
+ */
+ writel(0x00000000, &fec->eth->imask);
+
+ /*
+ * Clear FEC-Lite interrupt event register(IEVENT)
+ */
+ writel(0xffffffff, &fec->eth->ievent);
+
+
+ /*
+ * Set FEC-Lite receive control register(R_CNTRL):
+ */
+
+ /* Start with frame length = 1518, common for all modes. */
+ rcntrl = PKTSIZE << FEC_RCNTRL_MAX_FL_SHIFT;
+ if (fec->xcv_type == SEVENWIRE)
+ rcntrl |= FEC_RCNTRL_FCE;
+ else if (fec->xcv_type == RGMII)
+ rcntrl |= FEC_RCNTRL_RGMII;
+ else if (fec->xcv_type == RMII)
+ rcntrl |= FEC_RCNTRL_RMII;
+ else /* MII mode */
+ rcntrl |= FEC_RCNTRL_FCE | FEC_RCNTRL_MII_MODE;
+
+ writel(rcntrl, &fec->eth->r_cntrl);
+}
+
/**
* Start the FEC engine
* @param[in] dev Our device to handle
*/
static int fec_open(struct eth_device *edev)
{
- struct fec_priv *fec = (struct fec_priv *)edev->priv;
+ struct fec_priv *fec = edev->priv;
int speed;
uint32_t addr, size;
int i;
static int fec_init(struct eth_device *dev, bd_t* bd)
{
- struct fec_priv *fec = (struct fec_priv *)dev->priv;
- uint32_t mib_ptr = (uint32_t)&fec->eth->rmon_t_drop;
- uint32_t rcntrl;
+ struct fec_priv *fec = dev->priv;
+ uint32_t *mib_ptr = (uint32_t *)&fec->eth->rmon_t_drop;
uint32_t size;
int i, ret;
(unsigned)fec->rbd_base + size);
}
- /*
- * Set interrupt mask register
- */
- writel(0x00000000, &fec->eth->imask);
-
- /*
- * Clear FEC-Lite interrupt event register(IEVENT)
- */
- writel(0xffffffff, &fec->eth->ievent);
-
-
- /*
- * Set FEC-Lite receive control register(R_CNTRL):
- */
-
- /* Start with frame length = 1518, common for all modes. */
- rcntrl = PKTSIZE << FEC_RCNTRL_MAX_FL_SHIFT;
- if (fec->xcv_type == SEVENWIRE)
- rcntrl |= FEC_RCNTRL_FCE;
- else if (fec->xcv_type == RGMII)
- rcntrl |= FEC_RCNTRL_RGMII;
- else if (fec->xcv_type == RMII)
- rcntrl |= FEC_RCNTRL_RMII;
- else /* MII mode */
- rcntrl |= FEC_RCNTRL_FCE | FEC_RCNTRL_MII_MODE;
-
- writel(rcntrl, &fec->eth->r_cntrl);
+ fec_reg_setup(fec);
if (fec->xcv_type == MII10 || fec->xcv_type == MII100)
fec_mii_setspeed(fec);
/* clear MIB RAM */
- for (i = mib_ptr; i <= mib_ptr + 0xfc; i += 4)
- writel(0, i);
+ for (i = 0; i <= 0xfc >> 2; i++)
+ writel(0, &mib_ptr[i]);
/* FIFO receive start register */
writel(0x520, &fec->eth->r_fstart);
static void fec_halt(struct eth_device *dev)
{
struct fec_priv *fec = (struct fec_priv *)dev->priv;
- int counter = 0xffff;
+ int counter = 1000;
/*
* issue graceful stop command to the FEC transmitter if necessary
* wait for graceful stop to register
*/
while ((counter--) && (!(readl(&fec->eth->ievent) & FEC_IEVENT_GRA)))
- udelay(1);
+ udelay(100);
/*
* Disable SmartDMA tasks
static int fec_send(struct eth_device *dev, volatile void *packet, int length)
{
unsigned int status;
+ int timeout = 1000;
uint32_t size;
uint32_t addr;
* This routine transmits one frame. This routine only accepts
* 6-byte Ethernet addresses.
*/
- struct fec_priv *fec = (struct fec_priv *)dev->priv;
+ struct fec_priv *fec = dev->priv;
/*
* Check for valid length of data.
* update BD's status now
* This block:
* - is always the last in a chain (means no chain)
- * - should transmitt the CRC
+ * - should transmit the CRC
* - might be the last BD in the list, so the address counter should
* wrap (-> keep the WRAP flag)
*/
*/
invalidate_dcache_range(addr, addr + size);
while (readw(&fec->tbd_base[fec->tbd_index].status) & FEC_TBD_READY) {
+ if (--timeout < 0)
+ return -ETIMEDOUT;
udelay(1);
invalidate_dcache_range(addr, addr + size);
}
- debug("fec_send: status 0x%x index %d\n",
+ debug("fec_send: status 0x%04x index %d\n",
readw(&fec->tbd_base[fec->tbd_index].status),
fec->tbd_index);
/* for next transmission use the other buffer */
uint16_t bd_status;
uint32_t addr, size;
int i;
- uchar buff[FEC_MAX_PKT_SIZE];
/*
* Check if any critical events have happened
*/
ievent = readl(&fec->eth->ievent);
writel(ievent, &fec->eth->ievent);
- debug("fec_recv: ievent 0x%lx\n", ievent);
+
+ if (ievent)
+ debug("fec_recv: ievent 0x%lx\n", ievent);
if (ievent & FEC_IEVENT_BABR) {
fec_halt(dev);
fec_init(dev, fec->bd);
invalidate_dcache_range(addr, addr + size);
bd_status = readw(&rbd->status);
- debug("fec_recv: status 0x%x\n", bd_status);
-
if (!(bd_status & FEC_RBD_EMPTY)) {
+ debug("fec_recv: status 0x%04x len %u\n", bd_status,
+ readw(&rbd->data_length) - 4);
if ((bd_status & FEC_RBD_LAST) && !(bd_status & FEC_RBD_ERR) &&
((readw(&rbd->data_length) - 4) > 14)) {
/*
*/
frame = (struct nbuf *)readl(&rbd->data_pointer);
frame_length = readw(&rbd->data_length) - 4;
+
/*
* Invalidate data cache over the buffer
*/
#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);
+ memcpy((void *)NetRxPackets[rx_idx], frame->data, frame_length);
+ NetReceive(NetRxPackets[rx_idx], frame_length);
+ rx_idx = (rx_idx + 1) % PKTBUFSRX;
len = frame_length;
} else {
if (bd_status & FEC_RBD_ERR)
fec_rx_task_enable(fec);
fec->rbd_index = (fec->rbd_index + 1) % FEC_RBD_NUM;
+ debug("fec_recv: stop\n");
}
- debug("fec_recv: stop\n");
return len;
}
int ret = 0;
/* create and fill edev struct */
- edev = (struct eth_device *)malloc(sizeof(struct eth_device));
+ edev = calloc(sizeof(struct eth_device), 1);
if (!edev) {
puts("fec_mxc: not enough malloc memory for eth_device\n");
ret = -ENOMEM;
goto err1;
}
- fec = (struct fec_priv *)malloc(sizeof(struct fec_priv));
+ fec = calloc(sizeof(struct fec_priv), 1);
if (!fec) {
puts("fec_mxc: not enough malloc memory for fec_priv\n");
ret = -ENOMEM;
goto err2;
}
- memset(edev, 0, sizeof(*edev));
- memset(fec, 0, sizeof(*fec));
-
edev->priv = fec;
edev->init = fec_init;
edev->send = fec_send;
udelay(10);
}
- /*
- * Set interrupt mask register
- */
- writel(0x00000000, &fec->eth->imask);
-
- /*
- * Clear FEC-Lite interrupt event register(IEVENT)
- */
- writel(0xffffffff, &fec->eth->ievent);
-
- /*
- * Set FEC-Lite receive control register(R_CNTRL):
- */
- /*
- * Frame length=1518; MII mode;
- */
- writel((PKTSIZE << FEC_RCNTRL_MAX_FL_SHIFT) | FEC_RCNTRL_FCE |
- FEC_RCNTRL_MII_MODE, &fec->eth->r_cntrl);
+ fec_reg_setup(fec);
fec_mii_setspeed(fec);
if (dev_id == -1) {
{
int lout = 1;
- debug("eth_init: fec_probe(bd)\n");
+ debug("eth_init: fec_probe(PHY %02x FEC: %08x)\n",
+ CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
lout = fec_probe(bd, -1, CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
return lout;
projects / karo-tx-uboot.git / blobdiff