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