#include <asm/io.h>
#include <phy.h>
#include <miiphy.h>
+#include <wait_bit.h>
DECLARE_GLOBAL_DATA_PTR;
#define XAE_MDIO_DIV_DFT 29 /* Default MDIO clock divisor */
+#define XAXIDMA_BD_STS_ACTUAL_LEN_MASK 0x007FFFFF /* Actual len */
+
/* DMA macros */
/* Bitmasks of XAXIDMA_CR_OFFSET register */
#define XAXIDMA_CR_RUNSTOP_MASK 0x00000001 /* Start/stop DMA channel */
phy_interface_t interface;
struct phy_device *phydev;
struct mii_dev *bus;
+ u8 eth_hasnobuf;
};
/* BD descriptors */
}
/* Interface - look at tsec */
- phydev = phy_connect(priv->bus, priv->phyaddr, dev, 0);
+ phydev = phy_connect(priv->bus, priv->phyaddr, dev, priv->interface);
phydev->supported &= supported;
phydev->advertising = phydev->supported;
/* Setting axi emac and phy to proper setting */
static int setup_phy(struct udevice *dev)
{
- u32 speed, emmc_reg;
+ u16 temp;
+ u32 speed, emmc_reg, ret;
struct axidma_priv *priv = dev_get_priv(dev);
struct axi_regs *regs = priv->iobase;
struct phy_device *phydev = priv->phydev;
+ if (priv->interface == PHY_INTERFACE_MODE_SGMII) {
+ /*
+ * In SGMII cases the isolate bit might set
+ * after DMA and ethernet resets and hence
+ * check and clear if set.
+ */
+ ret = phyread(priv, priv->phyaddr, MII_BMCR, &temp);
+ if (ret)
+ return 0;
+ if (temp & BMCR_ISOLATE) {
+ temp &= ~BMCR_ISOLATE;
+ ret = phywrite(priv, priv->phyaddr, MII_BMCR, temp);
+ if (ret)
+ return 0;
+ }
+ }
+
if (phy_startup(phydev)) {
printf("axiemac: could not initialize PHY %s\n",
phydev->dev->name);
static int axi_ethernet_init(struct axidma_priv *priv)
{
struct axi_regs *regs = priv->iobase;
- u32 timeout = 200;
+ int err;
/*
* Check the status of the MgtRdy bit in the interrupt status
* for the Sgmii and 1000BaseX PHY interfaces. No other register reads
* will be valid until this bit is valid.
* The bit is always a 1 for all other PHY interfaces.
+ * Interrupt status and enable registers are not available in non
+ * processor mode and hence bypass in this mode
*/
- while (timeout && (!(in_be32(®s->is) & XAE_INT_MGTRDY_MASK))) {
- timeout--;
- udelay(1);
- }
- if (!timeout) {
- printf("%s: Timeout\n", __func__);
- return 1;
- }
+ if (!priv->eth_hasnobuf) {
+ err = wait_for_bit(__func__, (const u32 *)®s->is,
+ XAE_INT_MGTRDY_MASK, true, 200, false);
+ if (err) {
+ printf("%s: Timeout\n", __func__);
+ return 1;
+ }
- /* Stop the device and reset HW */
- /* Disable interrupts */
- out_be32(®s->ie, 0);
+ /*
+ * Stop the device and reset HW
+ * Disable interrupts
+ */
+ out_be32(®s->ie, 0);
+ }
/* Disable the receiver */
out_be32(®s->rcw1, in_be32(®s->rcw1) & ~XAE_RCW1_RX_MASK);
* Stopping the receiver in mid-packet causes a dropped packet
* indication from HW. Clear it.
*/
- /* Set the interrupt status register to clear the interrupt */
- out_be32(®s->is, XAE_INT_RXRJECT_MASK);
+ if (!priv->eth_hasnobuf) {
+ /* Set the interrupt status register to clear the interrupt */
+ out_be32(®s->is, XAE_INT_RXRJECT_MASK);
+ }
/* Setup HW */
/* Set default MDIO divisor */
temp = in_be32(&priv->dmarx->control);
temp &= ~XAXIDMA_IRQ_ALL_MASK;
out_be32(&priv->dmarx->control, temp);
+ if (!priv->eth_hasnobuf)
+ length = rx_bd.app4 & 0xFFFF; /* max length mask */
+ else
+ length = rx_bd.status & XAXIDMA_BD_STS_ACTUAL_LEN_MASK;
- length = rx_bd.app4 & 0xFFFF; /* max length mask */
#ifdef DEBUG
print_buffer(&rxframe, &rxframe[0], 1, length, 16);
#endif
priv->bus->read = axiemac_miiphy_read;
priv->bus->write = axiemac_miiphy_write;
priv->bus->priv = priv;
- strcpy(priv->bus->name, "axi_emac");
- ret = mdio_register(priv->bus);
+ ret = mdio_register_seq(priv->bus, dev->seq);
if (ret)
return ret;
{
struct eth_pdata *pdata = dev_get_platdata(dev);
struct axidma_priv *priv = dev_get_priv(dev);
+ int node = dev_of_offset(dev);
int offset = 0;
const char *phy_mode;
- pdata->iobase = (phys_addr_t)dev_get_addr(dev);
+ pdata->iobase = (phys_addr_t)devfdt_get_addr(dev);
priv->iobase = (struct axi_regs *)pdata->iobase;
- offset = fdtdec_lookup_phandle(gd->fdt_blob, dev->of_offset,
+ offset = fdtdec_lookup_phandle(gd->fdt_blob, node,
"axistream-connected");
if (offset <= 0) {
printf("%s: axistream is not found\n", __func__);
return -EINVAL;
}
- priv->dmatx = (struct axidma_reg *)fdtdec_get_int(gd->fdt_blob,
- offset, "reg", 0);
+ priv->dmatx = (struct axidma_reg *)fdtdec_get_addr(gd->fdt_blob,
+ offset, "reg");
if (!priv->dmatx) {
printf("%s: axi_dma register space not found\n", __func__);
return -EINVAL;
priv->phyaddr = -1;
- offset = fdtdec_lookup_phandle(gd->fdt_blob, dev->of_offset,
- "phy-handle");
+ offset = fdtdec_lookup_phandle(gd->fdt_blob, node, "phy-handle");
if (offset > 0)
priv->phyaddr = fdtdec_get_int(gd->fdt_blob, offset, "reg", -1);
- phy_mode = fdt_getprop(gd->fdt_blob, dev->of_offset, "phy-mode", NULL);
+ phy_mode = fdt_getprop(gd->fdt_blob, node, "phy-mode", NULL);
if (phy_mode)
pdata->phy_interface = phy_get_interface_by_name(phy_mode);
if (pdata->phy_interface == -1) {
- debug("%s: Invalid PHY interface '%s'\n", __func__, phy_mode);
+ printf("%s: Invalid PHY interface '%s'\n", __func__, phy_mode);
return -EINVAL;
}
priv->interface = pdata->phy_interface;
+ priv->eth_hasnobuf = fdtdec_get_bool(gd->fdt_blob, node,
+ "xlnx,eth-hasnobuf");
+
printf("AXI EMAC: %lx, phyaddr %d, interface %s\n", (ulong)priv->iobase,
priv->phyaddr, phy_string_for_interface(priv->interface));