ftgmac100: support of gigabit eth ftgmac100
Add Faraday's ftgmac100 (gigabit ethernet) MAC controller's driver. Signed-off-by: Macpaul Lin <macpaul@andestech.com>
This commit is contained in:
parent
3474741c8d
commit
b3dbf4a51f
12
README
12
README
@ -861,6 +861,18 @@ The following options need to be configured:
|
||||
Define this to use i/o functions instead of macros
|
||||
(some hardware wont work with macros)
|
||||
|
||||
CONFIG_FTGMAC100
|
||||
Support for Faraday's FTGMAC100 Gigabit SoC Ethernet
|
||||
|
||||
CONFIG_FTGMAC100_EGIGA
|
||||
Define this to use GE link update with gigabit PHY.
|
||||
Define this if FTGMAC100 is connected to gigabit PHY.
|
||||
If your system has 10/100 PHY only, it might not occur
|
||||
wrong behavior. Because PHY usually return timeout or
|
||||
useless data when polling gigabit status and gigabit
|
||||
control registers. This behavior won't affect the
|
||||
correctnessof 10/100 link speed update.
|
||||
|
||||
CONFIG_SMC911X
|
||||
Support for SMSC's LAN911x and LAN921x chips
|
||||
|
||||
|
@ -47,6 +47,7 @@ COBJS-$(CONFIG_EP93XX) += ep93xx_eth.o
|
||||
COBJS-$(CONFIG_ETHOC) += ethoc.o
|
||||
COBJS-$(CONFIG_FEC_MXC) += fec_mxc.o
|
||||
COBJS-$(CONFIG_FSLDMAFEC) += fsl_mcdmafec.o mcfmii.o
|
||||
COBJS-$(CONFIG_FTGMAC100) += ftgmac100.o
|
||||
COBJS-$(CONFIG_FTMAC100) += ftmac100.o
|
||||
COBJS-$(CONFIG_GRETH) += greth.o
|
||||
COBJS-$(CONFIG_INCA_IP_SWITCH) += inca-ip_sw.o
|
||||
|
570
drivers/net/ftgmac100.c
Normal file
570
drivers/net/ftgmac100.c
Normal file
@ -0,0 +1,570 @@
|
||||
/*
|
||||
* Faraday FTGMAC100 Ethernet
|
||||
*
|
||||
* (C) Copyright 2009 Faraday Technology
|
||||
* Po-Yu Chuang <ratbert@faraday-tech.com>
|
||||
*
|
||||
* (C) Copyright 2010 Andes Technology
|
||||
* Macpaul Lin <macpaul@andestech.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#include <config.h>
|
||||
#include <common.h>
|
||||
#include <malloc.h>
|
||||
#include <net.h>
|
||||
#include <asm/io.h>
|
||||
#include <linux/mii.h>
|
||||
|
||||
#include "ftgmac100.h"
|
||||
|
||||
#define ETH_ZLEN 60
|
||||
|
||||
#define mdelay(n) ({unsigned long msec = (n); while (msec--) udelay(1000); })
|
||||
|
||||
/* RBSR - hw default init value is also 0x640 */
|
||||
#define RBSR_DEFAULT_VALUE 0x640
|
||||
|
||||
/* PKTBUFSTX/PKTBUFSRX must both be power of 2 */
|
||||
#define PKTBUFSTX 4 /* must be power of 2 */
|
||||
|
||||
struct ftgmac100_data {
|
||||
struct ftgmac100_txdes txdes[PKTBUFSTX];
|
||||
struct ftgmac100_rxdes rxdes[PKTBUFSRX];
|
||||
int tx_index;
|
||||
int rx_index;
|
||||
int phy_addr;
|
||||
};
|
||||
|
||||
/*
|
||||
* struct mii_bus functions
|
||||
*/
|
||||
static int ftgmac100_mdiobus_read(struct eth_device *dev, int phy_addr,
|
||||
int regnum)
|
||||
{
|
||||
struct ftgmac100 *ftgmac100 = (struct ftgmac100 *)dev->iobase;
|
||||
int phycr;
|
||||
int i;
|
||||
|
||||
phycr = readl(&ftgmac100->phycr);
|
||||
|
||||
/* preserve MDC cycle threshold */
|
||||
phycr &= FTGMAC100_PHYCR_MDC_CYCTHR_MASK;
|
||||
|
||||
phycr |= FTGMAC100_PHYCR_PHYAD(phy_addr)
|
||||
| FTGMAC100_PHYCR_REGAD(regnum)
|
||||
| FTGMAC100_PHYCR_MIIRD;
|
||||
|
||||
writel(phycr, &ftgmac100->phycr);
|
||||
|
||||
for (i = 0; i < 10; i++) {
|
||||
phycr = readl(&ftgmac100->phycr);
|
||||
|
||||
if ((phycr & FTGMAC100_PHYCR_MIIRD) == 0) {
|
||||
int data;
|
||||
|
||||
data = readl(&ftgmac100->phydata);
|
||||
return FTGMAC100_PHYDATA_MIIRDATA(data);
|
||||
}
|
||||
|
||||
mdelay(10);
|
||||
}
|
||||
|
||||
debug("mdio read timed out\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int ftgmac100_mdiobus_write(struct eth_device *dev, int phy_addr,
|
||||
int regnum, u16 value)
|
||||
{
|
||||
struct ftgmac100 *ftgmac100 = (struct ftgmac100 *)dev->iobase;
|
||||
int phycr;
|
||||
int data;
|
||||
int i;
|
||||
|
||||
phycr = readl(&ftgmac100->phycr);
|
||||
|
||||
/* preserve MDC cycle threshold */
|
||||
phycr &= FTGMAC100_PHYCR_MDC_CYCTHR_MASK;
|
||||
|
||||
phycr |= FTGMAC100_PHYCR_PHYAD(phy_addr)
|
||||
| FTGMAC100_PHYCR_REGAD(regnum)
|
||||
| FTGMAC100_PHYCR_MIIWR;
|
||||
|
||||
data = FTGMAC100_PHYDATA_MIIWDATA(value);
|
||||
|
||||
writel(data, &ftgmac100->phydata);
|
||||
writel(phycr, &ftgmac100->phycr);
|
||||
|
||||
for (i = 0; i < 10; i++) {
|
||||
phycr = readl(&ftgmac100->phycr);
|
||||
|
||||
if ((phycr & FTGMAC100_PHYCR_MIIWR) == 0) {
|
||||
debug("(phycr & FTGMAC100_PHYCR_MIIWR) == 0: " \
|
||||
"phy_addr: %x\n", phy_addr);
|
||||
return 0;
|
||||
}
|
||||
|
||||
mdelay(1);
|
||||
}
|
||||
|
||||
debug("mdio write timed out\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
int ftgmac100_phy_read(struct eth_device *dev, int addr, int reg, u16 *value)
|
||||
{
|
||||
*value = ftgmac100_mdiobus_read(dev , addr, reg);
|
||||
|
||||
if (*value == -1)
|
||||
return -1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int ftgmac100_phy_write(struct eth_device *dev, int addr, int reg, u16 value)
|
||||
{
|
||||
if (ftgmac100_mdiobus_write(dev, addr, reg, value) == -1)
|
||||
return -1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ftgmac100_phy_reset(struct eth_device *dev)
|
||||
{
|
||||
struct ftgmac100_data *priv = dev->priv;
|
||||
int i;
|
||||
u16 status, adv;
|
||||
|
||||
adv = ADVERTISE_CSMA | ADVERTISE_ALL;
|
||||
|
||||
ftgmac100_phy_write(dev, priv->phy_addr, MII_ADVERTISE, adv);
|
||||
|
||||
printf("%s: Starting autonegotiation...\n", dev->name);
|
||||
|
||||
ftgmac100_phy_write(dev, priv->phy_addr,
|
||||
MII_BMCR, (BMCR_ANENABLE | BMCR_ANRESTART));
|
||||
|
||||
for (i = 0; i < 100000 / 100; i++) {
|
||||
ftgmac100_phy_read(dev, priv->phy_addr, MII_BMSR, &status);
|
||||
|
||||
if (status & BMSR_ANEGCOMPLETE)
|
||||
break;
|
||||
mdelay(1);
|
||||
}
|
||||
|
||||
if (status & BMSR_ANEGCOMPLETE) {
|
||||
printf("%s: Autonegotiation complete\n", dev->name);
|
||||
} else {
|
||||
printf("%s: Autonegotiation timed out (status=0x%04x)\n",
|
||||
dev->name, status);
|
||||
return 0;
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int ftgmac100_phy_init(struct eth_device *dev)
|
||||
{
|
||||
struct ftgmac100_data *priv = dev->priv;
|
||||
|
||||
int phy_addr;
|
||||
u16 phy_id, status, adv, lpa, stat_ge;
|
||||
int media, speed, duplex;
|
||||
int i;
|
||||
|
||||
/* Check if the PHY is up to snuff... */
|
||||
for (phy_addr = 0; phy_addr < CONFIG_PHY_MAX_ADDR; phy_addr++) {
|
||||
|
||||
ftgmac100_phy_read(dev, phy_addr, MII_PHYSID1, &phy_id);
|
||||
|
||||
/*
|
||||
* When it is unable to found PHY,
|
||||
* the interface usually return 0xffff or 0x0000
|
||||
*/
|
||||
if (phy_id != 0xffff && phy_id != 0x0) {
|
||||
printf("%s: found PHY at 0x%02x\n",
|
||||
dev->name, phy_addr);
|
||||
priv->phy_addr = phy_addr;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (phy_id == 0xffff || phy_id == 0x0) {
|
||||
printf("%s: no PHY present\n", dev->name);
|
||||
return 0;
|
||||
}
|
||||
|
||||
ftgmac100_phy_read(dev, priv->phy_addr, MII_BMSR, &status);
|
||||
|
||||
if (!(status & BMSR_LSTATUS)) {
|
||||
/* Try to re-negotiate if we don't have link already. */
|
||||
ftgmac100_phy_reset(dev);
|
||||
|
||||
for (i = 0; i < 100000 / 100; i++) {
|
||||
ftgmac100_phy_read(dev, priv->phy_addr,
|
||||
MII_BMSR, &status);
|
||||
if (status & BMSR_LSTATUS)
|
||||
break;
|
||||
udelay(100);
|
||||
}
|
||||
}
|
||||
|
||||
if (!(status & BMSR_LSTATUS)) {
|
||||
printf("%s: link down\n", dev->name);
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_FTGMAC100_EGIGA
|
||||
/* 1000 Base-T Status Register */
|
||||
ftgmac100_phy_read(dev, priv->phy_addr,
|
||||
MII_STAT1000, &stat_ge);
|
||||
|
||||
speed = (stat_ge & (LPA_1000FULL | LPA_1000HALF)
|
||||
? 1 : 0);
|
||||
|
||||
duplex = ((stat_ge & LPA_1000FULL)
|
||||
? 1 : 0);
|
||||
|
||||
if (speed) { /* Speed is 1000 */
|
||||
printf("%s: link up, 1000bps %s-duplex\n",
|
||||
dev->name, duplex ? "full" : "half");
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
ftgmac100_phy_read(dev, priv->phy_addr, MII_ADVERTISE, &adv);
|
||||
ftgmac100_phy_read(dev, priv->phy_addr, MII_LPA, &lpa);
|
||||
|
||||
media = mii_nway_result(lpa & adv);
|
||||
speed = (media & (ADVERTISE_100FULL | ADVERTISE_100HALF) ? 1 : 0);
|
||||
duplex = (media & ADVERTISE_FULL) ? 1 : 0;
|
||||
|
||||
printf("%s: link up, %sMbps %s-duplex\n",
|
||||
dev->name, speed ? "100" : "10", duplex ? "full" : "half");
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int ftgmac100_update_link_speed(struct eth_device *dev)
|
||||
{
|
||||
struct ftgmac100 *ftgmac100 = (struct ftgmac100 *)dev->iobase;
|
||||
struct ftgmac100_data *priv = dev->priv;
|
||||
|
||||
unsigned short stat_fe;
|
||||
unsigned short stat_ge;
|
||||
unsigned int maccr;
|
||||
|
||||
#ifdef CONFIG_FTGMAC100_EGIGA
|
||||
/* 1000 Base-T Status Register */
|
||||
ftgmac100_phy_read(dev, priv->phy_addr, MII_STAT1000, &stat_ge);
|
||||
#endif
|
||||
|
||||
ftgmac100_phy_read(dev, priv->phy_addr, MII_BMSR, &stat_fe);
|
||||
|
||||
if (!(stat_fe & BMSR_LSTATUS)) /* link status up? */
|
||||
return 0;
|
||||
|
||||
/* read MAC control register and clear related bits */
|
||||
maccr = readl(&ftgmac100->maccr) &
|
||||
~(FTGMAC100_MACCR_GIGA_MODE |
|
||||
FTGMAC100_MACCR_FAST_MODE |
|
||||
FTGMAC100_MACCR_FULLDUP);
|
||||
|
||||
#ifdef CONFIG_FTGMAC100_EGIGA
|
||||
if (stat_ge & LPA_1000FULL) {
|
||||
/* set gmac for 1000BaseTX and Full Duplex */
|
||||
maccr |= FTGMAC100_MACCR_GIGA_MODE | FTGMAC100_MACCR_FULLDUP;
|
||||
}
|
||||
|
||||
if (stat_ge & LPA_1000HALF) {
|
||||
/* set gmac for 1000BaseTX and Half Duplex */
|
||||
maccr |= FTGMAC100_MACCR_GIGA_MODE;
|
||||
}
|
||||
#endif
|
||||
|
||||
if (stat_fe & BMSR_100FULL) {
|
||||
/* set MII for 100BaseTX and Full Duplex */
|
||||
maccr |= FTGMAC100_MACCR_FAST_MODE | FTGMAC100_MACCR_FULLDUP;
|
||||
}
|
||||
|
||||
if (stat_fe & BMSR_10FULL) {
|
||||
/* set MII for 10BaseT and Full Duplex */
|
||||
maccr |= FTGMAC100_MACCR_FULLDUP;
|
||||
}
|
||||
|
||||
if (stat_fe & BMSR_100HALF) {
|
||||
/* set MII for 100BaseTX and Half Duplex */
|
||||
maccr |= FTGMAC100_MACCR_FAST_MODE;
|
||||
}
|
||||
|
||||
if (stat_fe & BMSR_10HALF) {
|
||||
/* set MII for 10BaseT and Half Duplex */
|
||||
/* we have already clear these bits, do nothing */
|
||||
;
|
||||
}
|
||||
|
||||
/* update MII config into maccr */
|
||||
writel(maccr, &ftgmac100->maccr);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
/*
|
||||
* Reset MAC
|
||||
*/
|
||||
static void ftgmac100_reset(struct eth_device *dev)
|
||||
{
|
||||
struct ftgmac100 *ftgmac100 = (struct ftgmac100 *)dev->iobase;
|
||||
|
||||
debug("%s()\n", __func__);
|
||||
|
||||
writel(FTGMAC100_MACCR_SW_RST, &ftgmac100->maccr);
|
||||
|
||||
while (readl(&ftgmac100->maccr) & FTGMAC100_MACCR_SW_RST)
|
||||
;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set MAC address
|
||||
*/
|
||||
static void ftgmac100_set_mac(struct eth_device *dev,
|
||||
const unsigned char *mac)
|
||||
{
|
||||
struct ftgmac100 *ftgmac100 = (struct ftgmac100 *)dev->iobase;
|
||||
unsigned int maddr = mac[0] << 8 | mac[1];
|
||||
unsigned int laddr = mac[2] << 24 | mac[3] << 16 | mac[4] << 8 | mac[5];
|
||||
|
||||
debug("%s(%x %x)\n", __func__, maddr, laddr);
|
||||
|
||||
writel(maddr, &ftgmac100->mac_madr);
|
||||
writel(laddr, &ftgmac100->mac_ladr);
|
||||
}
|
||||
|
||||
static void ftgmac100_set_mac_from_env(struct eth_device *dev)
|
||||
{
|
||||
eth_getenv_enetaddr("ethaddr", dev->enetaddr);
|
||||
|
||||
ftgmac100_set_mac(dev, dev->enetaddr);
|
||||
}
|
||||
|
||||
/*
|
||||
* disable transmitter, receiver
|
||||
*/
|
||||
static void ftgmac100_halt(struct eth_device *dev)
|
||||
{
|
||||
struct ftgmac100 *ftgmac100 = (struct ftgmac100 *)dev->iobase;
|
||||
|
||||
debug("%s()\n", __func__);
|
||||
|
||||
writel(0, &ftgmac100->maccr);
|
||||
}
|
||||
|
||||
static int ftgmac100_init(struct eth_device *dev, bd_t *bd)
|
||||
{
|
||||
struct ftgmac100 *ftgmac100 = (struct ftgmac100 *)dev->iobase;
|
||||
struct ftgmac100_data *priv = dev->priv;
|
||||
struct ftgmac100_txdes *txdes = priv->txdes;
|
||||
struct ftgmac100_rxdes *rxdes = priv->rxdes;
|
||||
unsigned int maccr;
|
||||
int i;
|
||||
|
||||
debug("%s()\n", __func__);
|
||||
|
||||
ftgmac100_reset(dev);
|
||||
|
||||
/* set the ethernet address */
|
||||
ftgmac100_set_mac_from_env(dev);
|
||||
|
||||
/* disable all interrupts */
|
||||
writel(0, &ftgmac100->ier);
|
||||
|
||||
/* initialize descriptors */
|
||||
priv->tx_index = 0;
|
||||
priv->rx_index = 0;
|
||||
|
||||
txdes[PKTBUFSTX - 1].txdes0 = FTGMAC100_TXDES0_EDOTR;
|
||||
rxdes[PKTBUFSRX - 1].rxdes0 = FTGMAC100_RXDES0_EDORR;
|
||||
|
||||
for (i = 0; i < PKTBUFSTX; i++) {
|
||||
/* TXBUF_BADR */
|
||||
txdes[i].txdes3 = 0;
|
||||
txdes[i].txdes1 = 0;
|
||||
}
|
||||
|
||||
for (i = 0; i < PKTBUFSRX; i++) {
|
||||
/* RXBUF_BADR */
|
||||
rxdes[i].rxdes3 = (unsigned int)NetRxPackets[i];
|
||||
rxdes[i].rxdes0 &= ~FTGMAC100_RXDES0_RXPKT_RDY;
|
||||
}
|
||||
|
||||
/* transmit ring */
|
||||
writel((unsigned int)txdes, &ftgmac100->txr_badr);
|
||||
|
||||
/* receive ring */
|
||||
writel((unsigned int)rxdes, &ftgmac100->rxr_badr);
|
||||
|
||||
/* poll receive descriptor automatically */
|
||||
writel(FTGMAC100_APTC_RXPOLL_CNT(1), &ftgmac100->aptc);
|
||||
|
||||
/* config receive buffer size register */
|
||||
writel(FTGMAC100_RBSR_SIZE(RBSR_DEFAULT_VALUE), &ftgmac100->rbsr);
|
||||
|
||||
/* enable transmitter, receiver */
|
||||
maccr = FTGMAC100_MACCR_TXMAC_EN |
|
||||
FTGMAC100_MACCR_RXMAC_EN |
|
||||
FTGMAC100_MACCR_TXDMA_EN |
|
||||
FTGMAC100_MACCR_RXDMA_EN |
|
||||
FTGMAC100_MACCR_CRC_APD |
|
||||
FTGMAC100_MACCR_FULLDUP |
|
||||
FTGMAC100_MACCR_RX_RUNT |
|
||||
FTGMAC100_MACCR_RX_BROADPKT;
|
||||
|
||||
writel(maccr, &ftgmac100->maccr);
|
||||
|
||||
if (!ftgmac100_phy_init(dev)) {
|
||||
if (!ftgmac100_update_link_speed(dev))
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Get a data block via Ethernet
|
||||
*/
|
||||
static int ftgmac100_recv(struct eth_device *dev)
|
||||
{
|
||||
struct ftgmac100_data *priv = dev->priv;
|
||||
struct ftgmac100_rxdes *curr_des;
|
||||
unsigned short rxlen;
|
||||
|
||||
curr_des = &priv->rxdes[priv->rx_index];
|
||||
|
||||
if (!(curr_des->rxdes0 & FTGMAC100_RXDES0_RXPKT_RDY))
|
||||
return -1;
|
||||
|
||||
if (curr_des->rxdes0 & (FTGMAC100_RXDES0_RX_ERR |
|
||||
FTGMAC100_RXDES0_CRC_ERR |
|
||||
FTGMAC100_RXDES0_FTL |
|
||||
FTGMAC100_RXDES0_RUNT |
|
||||
FTGMAC100_RXDES0_RX_ODD_NB)) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
rxlen = FTGMAC100_RXDES0_VDBC(curr_des->rxdes0);
|
||||
|
||||
debug("%s(): RX buffer %d, %x received\n",
|
||||
__func__, priv->rx_index, rxlen);
|
||||
|
||||
/* pass the packet up to the protocol layers. */
|
||||
NetReceive((void *)curr_des->rxdes3, rxlen);
|
||||
|
||||
/* release buffer to DMA */
|
||||
curr_des->rxdes0 &= ~FTGMAC100_RXDES0_RXPKT_RDY;
|
||||
|
||||
priv->rx_index = (priv->rx_index + 1) % PKTBUFSRX;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Send a data block via Ethernet
|
||||
*/
|
||||
static int
|
||||
ftgmac100_send(struct eth_device *dev, void *packet, int length)
|
||||
{
|
||||
struct ftgmac100 *ftgmac100 = (struct ftgmac100 *)dev->iobase;
|
||||
struct ftgmac100_data *priv = dev->priv;
|
||||
struct ftgmac100_txdes *curr_des = &priv->txdes[priv->tx_index];
|
||||
int start;
|
||||
|
||||
if (curr_des->txdes0 & FTGMAC100_TXDES0_TXDMA_OWN) {
|
||||
debug("%s(): no TX descriptor available\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
debug("%s(%x, %x)\n", __func__, (int)packet, length);
|
||||
|
||||
length = (length < ETH_ZLEN) ? ETH_ZLEN : length;
|
||||
|
||||
/* initiate a transmit sequence */
|
||||
curr_des->txdes3 = (unsigned int)packet; /* TXBUF_BADR */
|
||||
|
||||
/* only one descriptor on TXBUF */
|
||||
curr_des->txdes0 &= FTGMAC100_TXDES0_EDOTR;
|
||||
curr_des->txdes0 |= FTGMAC100_TXDES0_FTS |
|
||||
FTGMAC100_TXDES0_LTS |
|
||||
FTGMAC100_TXDES0_TXBUF_SIZE(length) |
|
||||
FTGMAC100_TXDES0_TXDMA_OWN ;
|
||||
|
||||
/* start transmit */
|
||||
writel(1, &ftgmac100->txpd);
|
||||
|
||||
/* wait for transfer to succeed */
|
||||
start = get_timer(0);
|
||||
while (curr_des->txdes0 & FTGMAC100_TXDES0_TXDMA_OWN) {
|
||||
if (get_timer(0) >= 5) {
|
||||
debug("%s(): timed out\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
debug("%s(): packet sent\n", __func__);
|
||||
|
||||
priv->tx_index = (priv->tx_index + 1) % PKTBUFSTX;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int ftgmac100_initialize(bd_t *bd)
|
||||
{
|
||||
struct eth_device *dev;
|
||||
struct ftgmac100_data *priv;
|
||||
|
||||
dev = malloc(sizeof *dev);
|
||||
if (!dev) {
|
||||
printf("%s(): failed to allocate dev\n", __func__);
|
||||
goto out;
|
||||
}
|
||||
|
||||
/* Transmit and receive descriptors should align to 16 bytes */
|
||||
priv = memalign(16, sizeof(struct ftgmac100_data));
|
||||
if (!priv) {
|
||||
printf("%s(): failed to allocate priv\n", __func__);
|
||||
goto free_dev;
|
||||
}
|
||||
|
||||
memset(dev, 0, sizeof(*dev));
|
||||
memset(priv, 0, sizeof(*priv));
|
||||
|
||||
sprintf(dev->name, "FTGMAC100");
|
||||
dev->iobase = CONFIG_FTGMAC100_BASE;
|
||||
dev->init = ftgmac100_init;
|
||||
dev->halt = ftgmac100_halt;
|
||||
dev->send = ftgmac100_send;
|
||||
dev->recv = ftgmac100_recv;
|
||||
dev->priv = priv;
|
||||
|
||||
eth_register(dev);
|
||||
|
||||
return 1;
|
||||
|
||||
free_dev:
|
||||
free(dev);
|
||||
out:
|
||||
return 0;
|
||||
}
|
255
drivers/net/ftgmac100.h
Normal file
255
drivers/net/ftgmac100.h
Normal file
@ -0,0 +1,255 @@
|
||||
/*
|
||||
* Faraday FTGMAC100 Ethernet
|
||||
*
|
||||
* (C) Copyright 2010 Faraday Technology
|
||||
* Po-Yu Chuang <ratbert@faraday-tech.com>
|
||||
*
|
||||
* (C) Copyright 2010 Andes Technology
|
||||
* Macpaul Lin <macpaul@andestech.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#ifndef __FTGMAC100_H
|
||||
#define __FTGMAC100_H
|
||||
|
||||
/* The registers offset table of ftgmac100 */
|
||||
struct ftgmac100 {
|
||||
unsigned int isr; /* 0x00 */
|
||||
unsigned int ier; /* 0x04 */
|
||||
unsigned int mac_madr; /* 0x08 */
|
||||
unsigned int mac_ladr; /* 0x0c */
|
||||
unsigned int maht0; /* 0x10 */
|
||||
unsigned int maht1; /* 0x14 */
|
||||
unsigned int txpd; /* 0x18 */
|
||||
unsigned int rxpd; /* 0x1c */
|
||||
unsigned int txr_badr; /* 0x20 */
|
||||
unsigned int rxr_badr; /* 0x24 */
|
||||
unsigned int hptxpd; /* 0x28 */
|
||||
unsigned int hptxpd_badr; /* 0x2c */
|
||||
unsigned int itc; /* 0x30 */
|
||||
unsigned int aptc; /* 0x34 */
|
||||
unsigned int dblac; /* 0x38 */
|
||||
unsigned int dmafifos; /* 0x3c */
|
||||
unsigned int revr; /* 0x40 */
|
||||
unsigned int fear; /* 0x44 */
|
||||
unsigned int tpafcr; /* 0x48 */
|
||||
unsigned int rbsr; /* 0x4c */
|
||||
unsigned int maccr; /* 0x50 */
|
||||
unsigned int macsr; /* 0x54 */
|
||||
unsigned int tm; /* 0x58 */
|
||||
unsigned int resv1; /* 0x5c */ /* not defined in spec */
|
||||
unsigned int phycr; /* 0x60 */
|
||||
unsigned int phydata; /* 0x64 */
|
||||
unsigned int fcr; /* 0x68 */
|
||||
unsigned int bpr; /* 0x6c */
|
||||
unsigned int wolcr; /* 0x70 */
|
||||
unsigned int wolsr; /* 0x74 */
|
||||
unsigned int wfcrc; /* 0x78 */
|
||||
unsigned int resv2; /* 0x7c */ /* not defined in spec */
|
||||
unsigned int wfbm1; /* 0x80 */
|
||||
unsigned int wfbm2; /* 0x84 */
|
||||
unsigned int wfbm3; /* 0x88 */
|
||||
unsigned int wfbm4; /* 0x8c */
|
||||
unsigned int nptxr_ptr; /* 0x90 */
|
||||
unsigned int hptxr_ptr; /* 0x94 */
|
||||
unsigned int rxr_ptr; /* 0x98 */
|
||||
unsigned int resv3; /* 0x9c */ /* not defined in spec */
|
||||
unsigned int tx; /* 0xa0 */
|
||||
unsigned int tx_mcol_scol; /* 0xa4 */
|
||||
unsigned int tx_ecol_fail; /* 0xa8 */
|
||||
unsigned int tx_lcol_und; /* 0xac */
|
||||
unsigned int rx; /* 0xb0 */
|
||||
unsigned int rx_bc; /* 0xb4 */
|
||||
unsigned int rx_mc; /* 0xb8 */
|
||||
unsigned int rx_pf_aep; /* 0xbc */
|
||||
unsigned int rx_runt; /* 0xc0 */
|
||||
unsigned int rx_crcer_ftl; /* 0xc4 */
|
||||
unsigned int rx_col_lost; /* 0xc8 */
|
||||
};
|
||||
|
||||
/*
|
||||
* Interrupt status register & interrupt enable register
|
||||
*/
|
||||
#define FTGMAC100_INT_RPKT_BUF (1 << 0)
|
||||
#define FTGMAC100_INT_RPKT_FIFO (1 << 1)
|
||||
#define FTGMAC100_INT_NO_RXBUF (1 << 2)
|
||||
#define FTGMAC100_INT_RPKT_LOST (1 << 3)
|
||||
#define FTGMAC100_INT_XPKT_ETH (1 << 4)
|
||||
#define FTGMAC100_INT_XPKT_FIFO (1 << 5)
|
||||
#define FTGMAC100_INT_NO_NPTXBUF (1 << 6)
|
||||
#define FTGMAC100_INT_XPKT_LOST (1 << 7)
|
||||
#define FTGMAC100_INT_AHB_ERR (1 << 8)
|
||||
#define FTGMAC100_INT_PHYSTS_CHG (1 << 9)
|
||||
#define FTGMAC100_INT_NO_HPTXBUF (1 << 10)
|
||||
|
||||
/*
|
||||
* Interrupt timer control register
|
||||
*/
|
||||
#define FTGMAC100_ITC_RXINT_CNT(x) (((x) & 0xf) << 0)
|
||||
#define FTGMAC100_ITC_RXINT_THR(x) (((x) & 0x7) << 4)
|
||||
#define FTGMAC100_ITC_RXINT_TIME_SEL (1 << 7)
|
||||
#define FTGMAC100_ITC_TXINT_CNT(x) (((x) & 0xf) << 8)
|
||||
#define FTGMAC100_ITC_TXINT_THR(x) (((x) & 0x7) << 12)
|
||||
#define FTGMAC100_ITC_TXINT_TIME_SEL (1 << 15)
|
||||
|
||||
/*
|
||||
* Automatic polling timer control register
|
||||
*/
|
||||
#define FTGMAC100_APTC_RXPOLL_CNT(x) (((x) & 0xf) << 0)
|
||||
#define FTGMAC100_APTC_RXPOLL_TIME_SEL (1 << 4)
|
||||
#define FTGMAC100_APTC_TXPOLL_CNT(x) (((x) & 0xf) << 8)
|
||||
#define FTGMAC100_APTC_TXPOLL_TIME_SEL (1 << 12)
|
||||
|
||||
/*
|
||||
* DMA burst length and arbitration control register
|
||||
*/
|
||||
#define FTGMAC100_DBLAC_RXFIFO_LTHR(x) (((x) & 0x7) << 0)
|
||||
#define FTGMAC100_DBLAC_RXFIFO_HTHR(x) (((x) & 0x7) << 3)
|
||||
#define FTGMAC100_DBLAC_RX_THR_EN (1 << 6)
|
||||
#define FTGMAC100_DBLAC_RXBURST_SIZE(x) (((x) & 0x3) << 8)
|
||||
#define FTGMAC100_DBLAC_TXBURST_SIZE(x) (((x) & 0x3) << 10)
|
||||
#define FTGMAC100_DBLAC_RXDES_SIZE(x) (((x) & 0xf) << 12)
|
||||
#define FTGMAC100_DBLAC_TXDES_SIZE(x) (((x) & 0xf) << 16)
|
||||
#define FTGMAC100_DBLAC_IFG_CNT(x) (((x) & 0x7) << 20)
|
||||
#define FTGMAC100_DBLAC_IFG_INC (1 << 23)
|
||||
|
||||
/*
|
||||
* DMA FIFO status register
|
||||
*/
|
||||
#define FTGMAC100_DMAFIFOS_RXDMA1_SM(dmafifos) ((dmafifos) & 0xf)
|
||||
#define FTGMAC100_DMAFIFOS_RXDMA2_SM(dmafifos) (((dmafifos) >> 4) & 0xf)
|
||||
#define FTGMAC100_DMAFIFOS_RXDMA3_SM(dmafifos) (((dmafifos) >> 8) & 0x7)
|
||||
#define FTGMAC100_DMAFIFOS_TXDMA1_SM(dmafifos) (((dmafifos) >> 12) & 0xf)
|
||||
#define FTGMAC100_DMAFIFOS_TXDMA2_SM(dmafifos) (((dmafifos) >> 16) & 0x3)
|
||||
#define FTGMAC100_DMAFIFOS_TXDMA3_SM(dmafifos) (((dmafifos) >> 18) & 0xf)
|
||||
#define FTGMAC100_DMAFIFOS_RXFIFO_EMPTY (1 << 26)
|
||||
#define FTGMAC100_DMAFIFOS_TXFIFO_EMPTY (1 << 27)
|
||||
#define FTGMAC100_DMAFIFOS_RXDMA_GRANT (1 << 28)
|
||||
#define FTGMAC100_DMAFIFOS_TXDMA_GRANT (1 << 29)
|
||||
#define FTGMAC100_DMAFIFOS_RXDMA_REQ (1 << 30)
|
||||
#define FTGMAC100_DMAFIFOS_TXDMA_REQ (1 << 31)
|
||||
|
||||
/*
|
||||
* Receive buffer size register
|
||||
*/
|
||||
#define FTGMAC100_RBSR_SIZE(x) ((x) & 0x3fff)
|
||||
|
||||
/*
|
||||
* MAC control register
|
||||
*/
|
||||
#define FTGMAC100_MACCR_TXDMA_EN (1 << 0)
|
||||
#define FTGMAC100_MACCR_RXDMA_EN (1 << 1)
|
||||
#define FTGMAC100_MACCR_TXMAC_EN (1 << 2)
|
||||
#define FTGMAC100_MACCR_RXMAC_EN (1 << 3)
|
||||
#define FTGMAC100_MACCR_RM_VLAN (1 << 4)
|
||||
#define FTGMAC100_MACCR_HPTXR_EN (1 << 5)
|
||||
#define FTGMAC100_MACCR_LOOP_EN (1 << 6)
|
||||
#define FTGMAC100_MACCR_ENRX_IN_HALFTX (1 << 7)
|
||||
#define FTGMAC100_MACCR_FULLDUP (1 << 8)
|
||||
#define FTGMAC100_MACCR_GIGA_MODE (1 << 9)
|
||||
#define FTGMAC100_MACCR_CRC_APD (1 << 10)
|
||||
#define FTGMAC100_MACCR_RX_RUNT (1 << 12)
|
||||
#define FTGMAC100_MACCR_JUMBO_LF (1 << 13)
|
||||
#define FTGMAC100_MACCR_RX_ALL (1 << 14)
|
||||
#define FTGMAC100_MACCR_HT_MULTI_EN (1 << 15)
|
||||
#define FTGMAC100_MACCR_RX_MULTIPKT (1 << 16)
|
||||
#define FTGMAC100_MACCR_RX_BROADPKT (1 << 17)
|
||||
#define FTGMAC100_MACCR_DISCARD_CRCERR (1 << 18)
|
||||
#define FTGMAC100_MACCR_FAST_MODE (1 << 19)
|
||||
#define FTGMAC100_MACCR_SW_RST (1 << 31)
|
||||
|
||||
/*
|
||||
* PHY control register
|
||||
*/
|
||||
#define FTGMAC100_PHYCR_MDC_CYCTHR_MASK 0x3f
|
||||
#define FTGMAC100_PHYCR_MDC_CYCTHR(x) ((x) & 0x3f)
|
||||
#define FTGMAC100_PHYCR_PHYAD(x) (((x) & 0x1f) << 16)
|
||||
#define FTGMAC100_PHYCR_REGAD(x) (((x) & 0x1f) << 21)
|
||||
#define FTGMAC100_PHYCR_MIIRD (1 << 26)
|
||||
#define FTGMAC100_PHYCR_MIIWR (1 << 27)
|
||||
|
||||
/*
|
||||
* PHY data register
|
||||
*/
|
||||
#define FTGMAC100_PHYDATA_MIIWDATA(x) ((x) & 0xffff)
|
||||
#define FTGMAC100_PHYDATA_MIIRDATA(phydata) (((phydata) >> 16) & 0xffff)
|
||||
|
||||
/*
|
||||
* Transmit descriptor, aligned to 16 bytes
|
||||
*/
|
||||
struct ftgmac100_txdes {
|
||||
unsigned int txdes0;
|
||||
unsigned int txdes1;
|
||||
unsigned int txdes2; /* not used by HW */
|
||||
unsigned int txdes3; /* TXBUF_BADR */
|
||||
} __attribute__ ((aligned(16)));
|
||||
|
||||
#define FTGMAC100_TXDES0_TXBUF_SIZE(x) ((x) & 0x3fff)
|
||||
#define FTGMAC100_TXDES0_EDOTR (1 << 15)
|
||||
#define FTGMAC100_TXDES0_CRC_ERR (1 << 19)
|
||||
#define FTGMAC100_TXDES0_LTS (1 << 28)
|
||||
#define FTGMAC100_TXDES0_FTS (1 << 29)
|
||||
#define FTGMAC100_TXDES0_TXDMA_OWN (1 << 31)
|
||||
|
||||
#define FTGMAC100_TXDES1_VLANTAG_CI(x) ((x) & 0xffff)
|
||||
#define FTGMAC100_TXDES1_INS_VLANTAG (1 << 16)
|
||||
#define FTGMAC100_TXDES1_TCP_CHKSUM (1 << 17)
|
||||
#define FTGMAC100_TXDES1_UDP_CHKSUM (1 << 18)
|
||||
#define FTGMAC100_TXDES1_IP_CHKSUM (1 << 19)
|
||||
#define FTGMAC100_TXDES1_LLC (1 << 22)
|
||||
#define FTGMAC100_TXDES1_TX2FIC (1 << 30)
|
||||
#define FTGMAC100_TXDES1_TXIC (1 << 31)
|
||||
|
||||
/*
|
||||
* Receive descriptor, aligned to 16 bytes
|
||||
*/
|
||||
struct ftgmac100_rxdes {
|
||||
unsigned int rxdes0;
|
||||
unsigned int rxdes1;
|
||||
unsigned int rxdes2; /* not used by HW */
|
||||
unsigned int rxdes3; /* RXBUF_BADR */
|
||||
} __attribute__ ((aligned(16)));
|
||||
|
||||
#define FTGMAC100_RXDES0_VDBC(x) ((x) & 0x3fff)
|
||||
#define FTGMAC100_RXDES0_EDORR (1 << 15)
|
||||
#define FTGMAC100_RXDES0_MULTICAST (1 << 16)
|
||||
#define FTGMAC100_RXDES0_BROADCAST (1 << 17)
|
||||
#define FTGMAC100_RXDES0_RX_ERR (1 << 18)
|
||||
#define FTGMAC100_RXDES0_CRC_ERR (1 << 19)
|
||||
#define FTGMAC100_RXDES0_FTL (1 << 20)
|
||||
#define FTGMAC100_RXDES0_RUNT (1 << 21)
|
||||
#define FTGMAC100_RXDES0_RX_ODD_NB (1 << 22)
|
||||
#define FTGMAC100_RXDES0_FIFO_FULL (1 << 23)
|
||||
#define FTGMAC100_RXDES0_PAUSE_OPCODE (1 << 24)
|
||||
#define FTGMAC100_RXDES0_PAUSE_FRAME (1 << 25)
|
||||
#define FTGMAC100_RXDES0_LRS (1 << 28)
|
||||
#define FTGMAC100_RXDES0_FRS (1 << 29)
|
||||
#define FTGMAC100_RXDES0_RXPKT_RDY (1 << 31)
|
||||
|
||||
#define FTGMAC100_RXDES1_VLANTAG_CI 0xffff
|
||||
#define FTGMAC100_RXDES1_PROT_MASK (0x3 << 20)
|
||||
#define FTGMAC100_RXDES1_PROT_NONIP (0x0 << 20)
|
||||
#define FTGMAC100_RXDES1_PROT_IP (0x1 << 20)
|
||||
#define FTGMAC100_RXDES1_PROT_TCPIP (0x2 << 20)
|
||||
#define FTGMAC100_RXDES1_PROT_UDPIP (0x3 << 20)
|
||||
#define FTGMAC100_RXDES1_LLC (1 << 22)
|
||||
#define FTGMAC100_RXDES1_DF (1 << 23)
|
||||
#define FTGMAC100_RXDES1_VLANTAG_AVAIL (1 << 24)
|
||||
#define FTGMAC100_RXDES1_TCP_CHKSUM_ERR (1 << 25)
|
||||
#define FTGMAC100_RXDES1_UDP_CHKSUM_ERR (1 << 26)
|
||||
#define FTGMAC100_RXDES1_IP_CHKSUM_ERR (1 << 27)
|
||||
|
||||
#endif /* __FTGMAC100_H */
|
@ -61,6 +61,7 @@ int ethoc_initialize(u8 dev_num, int base_addr);
|
||||
int eth_3com_initialize (bd_t * bis);
|
||||
int fec_initialize (bd_t *bis);
|
||||
int fecmxc_initialize (bd_t *bis);
|
||||
int ftgmac100_initialize(bd_t *bits);
|
||||
int ftmac100_initialize(bd_t *bits);
|
||||
int greth_initialize(bd_t *bis);
|
||||
void gt6426x_eth_initialize(bd_t *bis);
|
||||
|
Loading…
Reference in New Issue
Block a user