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path: root/drivers/net/tsec.c
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Diffstat (limited to 'drivers/net/tsec.c')
-rw-r--r--drivers/net/tsec.c199
1 files changed, 97 insertions, 102 deletions
diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c
index f5e314b..e9138f0 100644
--- a/drivers/net/tsec.c
+++ b/drivers/net/tsec.c
@@ -5,7 +5,7 @@
* terms of the GNU Public License, Version 2, incorporated
* herein by reference.
*
- * Copyright 2004-2011 Freescale Semiconductor, Inc.
+ * Copyright 2004-2011, 2013 Freescale Semiconductor, Inc.
* (C) Copyright 2003, Motorola, Inc.
* author Andy Fleming
*
@@ -25,21 +25,13 @@ DECLARE_GLOBAL_DATA_PTR;
#define TX_BUF_CNT 2
-static uint rxIdx; /* index of the current RX buffer */
-static uint txIdx; /* index of the current TX buffer */
-
-typedef volatile struct rtxbd {
- txbd8_t txbd[TX_BUF_CNT];
- rxbd8_t rxbd[PKTBUFSRX];
-} RTXBD;
-
-#define MAXCONTROLLERS (8)
-
-static struct tsec_private *privlist[MAXCONTROLLERS];
-static int num_tsecs = 0;
+static uint rx_idx; /* index of the current RX buffer */
+static uint tx_idx; /* index of the current TX buffer */
#ifdef __GNUC__
-static RTXBD rtx __attribute__ ((aligned(8)));
+static struct txbd8 __iomem txbd[TX_BUF_CNT] __aligned(8);
+static struct rxbd8 __iomem rxbd[PKTBUFSRX] __aligned(8);
+
#else
#error "rtx must be 64-bit aligned"
#endif
@@ -57,7 +49,7 @@ static struct tsec_info_struct tsec_info[] = {
#endif
#ifdef CONFIG_MPC85XX_FEC
{
- .regs = (tsec_t *)(TSEC_BASE_ADDR + 0x2000),
+ .regs = TSEC_GET_REGS(2, 0x2000),
.devname = CONFIG_MPC85XX_FEC_NAME,
.phyaddr = FEC_PHY_ADDR,
.flags = FEC_FLAGS,
@@ -113,32 +105,31 @@ static void tsec_configure_serdes(struct tsec_private *priv)
* result.
* 2) Use the 8 most significant bits as a hash into a 256-entry
* table. The table is controlled through 8 32-bit registers:
- * gaddr0-7. gaddr0's MSB is entry 0, and gaddr7's LSB is
- * gaddr7. This means that the 3 most significant bits in the
+ * gaddr0-7. gaddr0's MSB is entry 0, and gaddr7's LSB is entry
+ * 255. This means that the 3 most significant bits in the
* hash index which gaddr register to use, and the 5 other bits
* indicate which bit (assuming an IBM numbering scheme, which
- * for PowerPC (tm) is usually the case) in the tregister holds
+ * for PowerPC (tm) is usually the case) in the register holds
* the entry. */
static int
-tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set)
+tsec_mcast_addr(struct eth_device *dev, const u8 *mcast_mac, u8 set)
{
- struct tsec_private *priv = privlist[1];
- volatile tsec_t *regs = priv->regs;
- volatile u32 *reg_array, value;
- u8 result, whichbit, whichreg;
-
- result = (u8)((ether_crc(MAC_ADDR_LEN,mcast_mac) >> 24) & 0xff);
- whichbit = result & 0x1f; /* the 5 LSB = which bit to set */
- whichreg = result >> 5; /* the 3 MSB = which reg to set it in */
- value = (1 << (31-whichbit));
-
- reg_array = &(regs->hash.gaddr0);
-
- if (set) {
- reg_array[whichreg] |= value;
- } else {
- reg_array[whichreg] &= ~value;
- }
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ struct tsec __iomem *regs = priv->regs;
+ u32 result, value;
+ u8 whichbit, whichreg;
+
+ result = ether_crc(MAC_ADDR_LEN, mcast_mac);
+ whichbit = (result >> 24) & 0x1f; /* the 5 LSB = which bit to set */
+ whichreg = result >> 29; /* the 3 MSB = which reg to set it in */
+
+ value = 1 << (31-whichbit);
+
+ if (set)
+ setbits_be32(&regs->hash.gaddr0 + whichreg, value);
+ else
+ clrbits_be32(&regs->hash.gaddr0 + whichreg, value);
+
return 0;
}
#endif /* Multicast TFTP ? */
@@ -147,7 +138,7 @@ tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set)
* those we don't care about (unless zero is bad, in which case,
* choose a more appropriate value)
*/
-static void init_registers(tsec_t *regs)
+static void init_registers(struct tsec __iomem *regs)
{
/* Clear IEVENT */
out_be32(&regs->ievent, IEVENT_INIT_CLEAR);
@@ -175,7 +166,7 @@ static void init_registers(tsec_t *regs)
out_be32(&regs->rctrl, 0x00000000);
/* Init RMON mib registers */
- memset((void *)&(regs->rmon), 0, sizeof(rmon_mib_t));
+ memset((void *)&regs->rmon, 0, sizeof(regs->rmon));
out_be32(&regs->rmon.cam1, 0xffffffff);
out_be32(&regs->rmon.cam2, 0xffffffff);
@@ -194,7 +185,7 @@ static void init_registers(tsec_t *regs)
*/
static void adjust_link(struct tsec_private *priv, struct phy_device *phydev)
{
- tsec_t *regs = priv->regs;
+ struct tsec __iomem *regs = priv->regs;
u32 ecntrl, maccfg2;
if (!phydev->link) {
@@ -248,7 +239,7 @@ static void adjust_link(struct tsec_private *priv, struct phy_device *phydev)
void redundant_init(struct eth_device *dev)
{
struct tsec_private *priv = dev->priv;
- tsec_t *regs = priv->regs;
+ struct tsec __iomem *regs = priv->regs;
uint t, count = 0;
int fail = 1;
static const u8 pkt[] = {
@@ -281,23 +272,26 @@ void redundant_init(struct eth_device *dev)
clrbits_be32(&regs->dmactrl, DMACTRL_GRS | DMACTRL_GTS);
do {
+ uint16_t status;
tsec_send(dev, (void *)pkt, sizeof(pkt));
/* Wait for buffer to be received */
- for (t = 0; rtx.rxbd[rxIdx].status & RXBD_EMPTY; t++) {
+ for (t = 0; in_be16(&rxbd[rx_idx].status) & RXBD_EMPTY; t++) {
if (t >= 10 * TOUT_LOOP) {
printf("%s: tsec: rx error\n", dev->name);
break;
}
}
- if (!memcmp(pkt, (void *)NetRxPackets[rxIdx], sizeof(pkt)))
+ if (!memcmp(pkt, (void *)NetRxPackets[rx_idx], sizeof(pkt)))
fail = 0;
- rtx.rxbd[rxIdx].length = 0;
- rtx.rxbd[rxIdx].status =
- RXBD_EMPTY | (((rxIdx + 1) == PKTBUFSRX) ? RXBD_WRAP : 0);
- rxIdx = (rxIdx + 1) % PKTBUFSRX;
+ out_be16(&rxbd[rx_idx].length, 0);
+ status = RXBD_EMPTY;
+ if ((rx_idx + 1) == PKTBUFSRX)
+ status |= RXBD_WRAP;
+ out_be16(&rxbd[rx_idx].status, status);
+ rx_idx = (rx_idx + 1) % PKTBUFSRX;
if (in_be32(&regs->ievent) & IEVENT_BSY) {
out_be32(&regs->ievent, IEVENT_BSY);
@@ -325,36 +319,39 @@ void redundant_init(struct eth_device *dev)
*/
static void startup_tsec(struct eth_device *dev)
{
- int i;
struct tsec_private *priv = (struct tsec_private *)dev->priv;
- tsec_t *regs = priv->regs;
+ struct tsec __iomem *regs = priv->regs;
+ uint16_t status;
+ int i;
/* reset the indices to zero */
- rxIdx = 0;
- txIdx = 0;
+ rx_idx = 0;
+ tx_idx = 0;
#ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129
uint svr;
#endif
/* Point to the buffer descriptors */
- out_be32(&regs->tbase, (unsigned int)(&rtx.txbd[txIdx]));
- out_be32(&regs->rbase, (unsigned int)(&rtx.rxbd[rxIdx]));
+ out_be32(&regs->tbase, (u32)&txbd[0]);
+ out_be32(&regs->rbase, (u32)&rxbd[0]);
/* Initialize the Rx Buffer descriptors */
for (i = 0; i < PKTBUFSRX; i++) {
- rtx.rxbd[i].status = RXBD_EMPTY;
- rtx.rxbd[i].length = 0;
- rtx.rxbd[i].bufPtr = (uint) NetRxPackets[i];
+ out_be16(&rxbd[i].status, RXBD_EMPTY);
+ out_be16(&rxbd[i].length, 0);
+ out_be32(&rxbd[i].bufptr, (u32)NetRxPackets[i]);
}
- rtx.rxbd[PKTBUFSRX - 1].status |= RXBD_WRAP;
+ status = in_be16(&rxbd[PKTBUFSRX - 1].status);
+ out_be16(&rxbd[PKTBUFSRX - 1].status, status | RXBD_WRAP);
/* Initialize the TX Buffer Descriptors */
for (i = 0; i < TX_BUF_CNT; i++) {
- rtx.txbd[i].status = 0;
- rtx.txbd[i].length = 0;
- rtx.txbd[i].bufPtr = 0;
+ out_be16(&txbd[i].status, 0);
+ out_be16(&txbd[i].length, 0);
+ out_be32(&txbd[i].bufptr, 0);
}
- rtx.txbd[TX_BUF_CNT - 1].status |= TXBD_WRAP;
+ status = in_be16(&txbd[TX_BUF_CNT - 1].status);
+ out_be16(&txbd[TX_BUF_CNT - 1].status, status | TXBD_WRAP);
#ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129
svr = get_svr();
@@ -378,66 +375,67 @@ static void startup_tsec(struct eth_device *dev)
*/
static int tsec_send(struct eth_device *dev, void *packet, int length)
{
- int i;
- int result = 0;
struct tsec_private *priv = (struct tsec_private *)dev->priv;
- tsec_t *regs = priv->regs;
+ struct tsec __iomem *regs = priv->regs;
+ uint16_t status;
+ int result = 0;
+ int i;
/* Find an empty buffer descriptor */
- for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
+ for (i = 0; in_be16(&txbd[tx_idx].status) & TXBD_READY; i++) {
if (i >= TOUT_LOOP) {
debug("%s: tsec: tx buffers full\n", dev->name);
return result;
}
}
- rtx.txbd[txIdx].bufPtr = (uint) packet;
- rtx.txbd[txIdx].length = length;
- rtx.txbd[txIdx].status |=
- (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT);
+ out_be32(&txbd[tx_idx].bufptr, (u32)packet);
+ out_be16(&txbd[tx_idx].length, length);
+ status = in_be16(&txbd[tx_idx].status);
+ out_be16(&txbd[tx_idx].status, status |
+ (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT));
/* Tell the DMA to go */
out_be32(&regs->tstat, TSTAT_CLEAR_THALT);
/* Wait for buffer to be transmitted */
- for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
+ for (i = 0; in_be16(&txbd[tx_idx].status) & TXBD_READY; i++) {
if (i >= TOUT_LOOP) {
debug("%s: tsec: tx error\n", dev->name);
return result;
}
}
- txIdx = (txIdx + 1) % TX_BUF_CNT;
- result = rtx.txbd[txIdx].status & TXBD_STATS;
+ tx_idx = (tx_idx + 1) % TX_BUF_CNT;
+ result = in_be16(&txbd[tx_idx].status) & TXBD_STATS;
return result;
}
static int tsec_recv(struct eth_device *dev)
{
- int length;
struct tsec_private *priv = (struct tsec_private *)dev->priv;
- tsec_t *regs = priv->regs;
+ struct tsec __iomem *regs = priv->regs;
- while (!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) {
-
- length = rtx.rxbd[rxIdx].length;
+ while (!(in_be16(&rxbd[rx_idx].status) & RXBD_EMPTY)) {
+ int length = in_be16(&rxbd[rx_idx].length);
+ uint16_t status = in_be16(&rxbd[rx_idx].status);
/* Send the packet up if there were no errors */
- if (!(rtx.rxbd[rxIdx].status & RXBD_STATS)) {
- NetReceive(NetRxPackets[rxIdx], length - 4);
- } else {
- printf("Got error %x\n",
- (rtx.rxbd[rxIdx].status & RXBD_STATS));
- }
+ if (!(status & RXBD_STATS))
+ NetReceive(NetRxPackets[rx_idx], length - 4);
+ else
+ printf("Got error %x\n", (status & RXBD_STATS));
- rtx.rxbd[rxIdx].length = 0;
+ out_be16(&rxbd[rx_idx].length, 0);
+ status = RXBD_EMPTY;
/* Set the wrap bit if this is the last element in the list */
- rtx.rxbd[rxIdx].status =
- RXBD_EMPTY | (((rxIdx + 1) == PKTBUFSRX) ? RXBD_WRAP : 0);
+ if ((rx_idx + 1) == PKTBUFSRX)
+ status |= RXBD_WRAP;
+ out_be16(&rxbd[rx_idx].status, status);
- rxIdx = (rxIdx + 1) % PKTBUFSRX;
+ rx_idx = (rx_idx + 1) % PKTBUFSRX;
}
if (in_be32(&regs->ievent) & IEVENT_BSY) {
@@ -453,7 +451,7 @@ static int tsec_recv(struct eth_device *dev)
static void tsec_halt(struct eth_device *dev)
{
struct tsec_private *priv = (struct tsec_private *)dev->priv;
- tsec_t *regs = priv->regs;
+ struct tsec __iomem *regs = priv->regs;
clrbits_be32(&regs->dmactrl, DMACTRL_GRS | DMACTRL_GTS);
setbits_be32(&regs->dmactrl, DMACTRL_GRS | DMACTRL_GTS);
@@ -475,11 +473,9 @@ static void tsec_halt(struct eth_device *dev)
*/
static int tsec_init(struct eth_device *dev, bd_t * bd)
{
- uint tempval;
- char tmpbuf[MAC_ADDR_LEN];
- int i;
struct tsec_private *priv = (struct tsec_private *)dev->priv;
- tsec_t *regs = priv->regs;
+ struct tsec __iomem *regs = priv->regs;
+ u32 tempval;
int ret;
/* Make sure the controller is stopped */
@@ -492,16 +488,16 @@ static int tsec_init(struct eth_device *dev, bd_t * bd)
out_be32(&regs->ecntrl, ECNTRL_INIT_SETTINGS);
/* Copy the station address into the address registers.
- * Backwards, because little endian MACS are dumb */
- for (i = 0; i < MAC_ADDR_LEN; i++)
- tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->enetaddr[i];
-
- tempval = (tmpbuf[0] << 24) | (tmpbuf[1] << 16) | (tmpbuf[2] << 8) |
- tmpbuf[3];
+ * For a station address of 0x12345678ABCD in transmission
+ * order (BE), MACnADDR1 is set to 0xCDAB7856 and
+ * MACnADDR2 is set to 0x34120000.
+ */
+ tempval = (dev->enetaddr[5] << 24) | (dev->enetaddr[4] << 16) |
+ (dev->enetaddr[3] << 8) | dev->enetaddr[2];
out_be32(&regs->macstnaddr1, tempval);
- tempval = *((uint *) (tmpbuf + 4));
+ tempval = (dev->enetaddr[1] << 24) | (dev->enetaddr[0] << 16);
out_be32(&regs->macstnaddr2, tempval);
@@ -527,7 +523,7 @@ static int tsec_init(struct eth_device *dev, bd_t * bd)
static phy_interface_t tsec_get_interface(struct tsec_private *priv)
{
- tsec_t *regs = priv->regs;
+ struct tsec __iomem *regs = priv->regs;
u32 ecntrl;
ecntrl = in_be32(&regs->ecntrl);
@@ -576,7 +572,7 @@ static int init_phy(struct eth_device *dev)
{
struct tsec_private *priv = (struct tsec_private *)dev->priv;
struct phy_device *phydev;
- tsec_t *regs = priv->regs;
+ struct tsec __iomem *regs = priv->regs;
u32 supported = (SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half |
@@ -626,7 +622,6 @@ static int tsec_initialize(bd_t *bis, struct tsec_info_struct *tsec_info)
if (NULL == priv)
return 0;
- privlist[num_tsecs++] = priv;
priv->regs = tsec_info->regs;
priv->phyregs_sgmii = tsec_info->miiregs_sgmii;
@@ -684,7 +679,7 @@ int tsec_standard_init(bd_t *bis)
{
struct fsl_pq_mdio_info info;
- info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
+ info.regs = TSEC_GET_MDIO_REGS_BASE(1);
info.name = DEFAULT_MII_NAME;
fsl_pq_mdio_init(bis, &info);
generated by cgit v1.1 at 2024-11-27 03:53:39 +0000