3 * Freescale Three Speed Ethernet Controller driver
5 * This software may be used and distributed according to the
6 * terms of the GNU Public License, Version 2, incorporated
9 * Copyright 2004 Freescale Semiconductor.
10 * (C) Copyright 2003, Motorola, Inc.
22 #if defined(CONFIG_TSEC_ENET)
28 static uint rxIdx; /* index of the current RX buffer */
29 static uint txIdx; /* index of the current TX buffer */
31 typedef volatile struct rtxbd {
32 txbd8_t txbd[TX_BUF_CNT];
33 rxbd8_t rxbd[PKTBUFSRX];
36 struct tsec_info_struct {
39 unsigned int phyregidx;
43 /* The tsec_info structure contains 3 values which the
44 * driver uses to determine how to operate a given ethernet
45 * device. For now, the structure is initialized with the
46 * knowledge that all current implementations have 2 TSEC
47 * devices, and one FEC. The information needed is:
48 * phyaddr - The address of the PHY which is attached to
51 * flags - This variable indicates whether the device
52 * supports gigabit speed ethernet, and whether it should be
55 * phyregidx - This variable specifies which ethernet device
56 * controls the MII Management registers which are connected
57 * to the PHY. For 8540/8560, only TSEC1 (index 0) has
58 * access to the PHYs, so all of the entries have "0".
60 * The values specified in the table are taken from the board's
61 * config file in include/configs/. When implementing a new
62 * board with ethernet capability, it is necessary to define:
72 static struct tsec_info_struct tsec_info[] = {
73 #if defined(CONFIG_MPC85XX_TSEC1) || defined(CONFIG_MPC83XX_TSEC1)
74 {TSEC1_PHY_ADDR, TSEC_GIGABIT, TSEC1_PHYIDX},
78 #if defined(CONFIG_MPC85XX_TSEC2) || defined(CONFIG_MPC83XX_TSEC2)
79 {TSEC2_PHY_ADDR, TSEC_GIGABIT, TSEC2_PHYIDX},
83 #ifdef CONFIG_MPC85XX_FEC
84 {FEC_PHY_ADDR, 0, FEC_PHYIDX},
86 # if defined(CONFIG_MPC85XX_TSEC3) || defined(CONFIG_MPC83XX_TSEC3)
87 {TSEC3_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC3_PHYIDX},
91 # if defined(CONFIG_MPC85XX_TSEC4) || defined(CONFIG_MPC83XX_TSEC4)
92 {TSEC4_PHY_ADDR, TSEC_REDUCED, TSEC4_PHYIDX},
99 #define MAXCONTROLLERS (4)
101 static int relocated = 0;
103 static struct tsec_private *privlist[MAXCONTROLLERS];
106 static RTXBD rtx __attribute__ ((aligned(8)));
108 #error "rtx must be 64-bit aligned"
111 static int tsec_send(struct eth_device* dev, volatile void *packet, int length);
112 static int tsec_recv(struct eth_device* dev);
113 static int tsec_init(struct eth_device* dev, bd_t * bd);
114 static void tsec_halt(struct eth_device* dev);
115 static void init_registers(volatile tsec_t *regs);
116 static void startup_tsec(struct eth_device *dev);
117 static int init_phy(struct eth_device *dev);
118 void write_phy_reg(struct tsec_private *priv, uint regnum, uint value);
119 uint read_phy_reg(struct tsec_private *priv, uint regnum);
120 struct phy_info * get_phy_info(struct eth_device *dev);
121 void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd);
122 static void adjust_link(struct eth_device *dev);
123 static void relocate_cmds(void);
124 static int tsec_miiphy_write(char *devname, unsigned char addr,
125 unsigned char reg, unsigned short value);
126 static int tsec_miiphy_read(char *devname, unsigned char addr,
127 unsigned char reg, unsigned short *value);
129 /* Initialize device structure. Returns success if PHY
130 * initialization succeeded (i.e. if it recognizes the PHY)
132 int tsec_initialize(bd_t *bis, int index, char *devname)
134 struct eth_device* dev;
136 struct tsec_private *priv;
138 dev = (struct eth_device*) malloc(sizeof *dev);
143 memset(dev, 0, sizeof *dev);
145 priv = (struct tsec_private *) malloc(sizeof(*priv));
150 privlist[index] = priv;
151 priv->regs = (volatile tsec_t *)(TSEC_BASE_ADDR + index*TSEC_SIZE);
152 priv->phyregs = (volatile tsec_t *)(TSEC_BASE_ADDR +
153 tsec_info[index].phyregidx*TSEC_SIZE);
155 priv->phyaddr = tsec_info[index].phyaddr;
156 priv->flags = tsec_info[index].flags;
158 sprintf(dev->name, devname);
161 dev->init = tsec_init;
162 dev->halt = tsec_halt;
163 dev->send = tsec_send;
164 dev->recv = tsec_recv;
166 /* Tell u-boot to get the addr from the env */
168 dev->enetaddr[i] = 0;
174 priv->regs->maccfg1 |= MACCFG1_SOFT_RESET;
175 priv->regs->maccfg1 &= ~(MACCFG1_SOFT_RESET);
177 #if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) \
178 && !defined(BITBANGMII)
179 miiphy_register(dev->name, tsec_miiphy_read, tsec_miiphy_write);
182 /* Try to initialize PHY here, and return */
183 return init_phy(dev);
187 /* Initializes data structures and registers for the controller,
188 * and brings the interface up. Returns the link status, meaning
189 * that it returns success if the link is up, failure otherwise.
190 * This allows u-boot to find the first active controller. */
191 int tsec_init(struct eth_device* dev, bd_t * bd)
194 char tmpbuf[MAC_ADDR_LEN];
196 struct tsec_private *priv = (struct tsec_private *)dev->priv;
197 volatile tsec_t *regs = priv->regs;
199 /* Make sure the controller is stopped */
202 /* Init MACCFG2. Defaults to GMII */
203 regs->maccfg2 = MACCFG2_INIT_SETTINGS;
206 regs->ecntrl = ECNTRL_INIT_SETTINGS;
208 /* Copy the station address into the address registers.
209 * Backwards, because little endian MACS are dumb */
210 for(i=0;i<MAC_ADDR_LEN;i++) {
211 tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->enetaddr[i];
213 regs->macstnaddr1 = *((uint *)(tmpbuf));
215 tempval = *((uint *)(tmpbuf +4));
217 regs->macstnaddr2 = tempval;
219 /* reset the indices to zero */
223 /* Clear out (for the most part) the other registers */
224 init_registers(regs);
226 /* Ready the device for tx/rx */
229 /* If there's no link, fail */
235 /* Write value to the device's PHY through the registers
236 * specified in priv, modifying the register specified in regnum.
237 * It will wait for the write to be done (or for a timeout to
238 * expire) before exiting
240 void write_phy_reg(struct tsec_private *priv, uint regnum, uint value)
242 volatile tsec_t *regbase = priv->phyregs;
243 uint phyid = priv->phyaddr;
246 regbase->miimadd = (phyid << 8) | regnum;
247 regbase->miimcon = value;
251 while((regbase->miimind & MIIMIND_BUSY) && timeout--);
255 /* Reads register regnum on the device's PHY through the
256 * registers specified in priv. It lowers and raises the read
257 * command, and waits for the data to become valid (miimind
258 * notvalid bit cleared), and the bus to cease activity (miimind
259 * busy bit cleared), and then returns the value
261 uint read_phy_reg(struct tsec_private *priv, uint regnum)
264 volatile tsec_t *regbase = priv->phyregs;
265 uint phyid = priv->phyaddr;
267 /* Put the address of the phy, and the register
268 * number into MIIMADD */
269 regbase->miimadd = (phyid << 8) | regnum;
271 /* Clear the command register, and wait */
272 regbase->miimcom = 0;
275 /* Initiate a read command, and wait */
276 regbase->miimcom = MIIM_READ_COMMAND;
279 /* Wait for the the indication that the read is done */
280 while((regbase->miimind & (MIIMIND_NOTVALID | MIIMIND_BUSY)));
282 /* Grab the value read from the PHY */
283 value = regbase->miimstat;
289 /* Discover which PHY is attached to the device, and configure it
290 * properly. If the PHY is not recognized, then return 0
291 * (failure). Otherwise, return 1
293 static int init_phy(struct eth_device *dev)
295 struct tsec_private *priv = (struct tsec_private *)dev->priv;
296 struct phy_info *curphy;
298 /* Assign a Physical address to the TBI */
301 volatile tsec_t *regs = (volatile tsec_t *)(TSEC_BASE_ADDR);
302 regs->tbipa = TBIPA_VALUE;
303 regs = (volatile tsec_t *)(TSEC_BASE_ADDR + TSEC_SIZE);
304 regs->tbipa = TBIPA_VALUE;
308 /* Reset MII (due to new addresses) */
309 priv->phyregs->miimcfg = MIIMCFG_RESET;
311 priv->phyregs->miimcfg = MIIMCFG_INIT_VALUE;
313 while(priv->phyregs->miimind & MIIMIND_BUSY);
318 /* Get the cmd structure corresponding to the attached
320 curphy = get_phy_info(dev);
323 printf("%s: No PHY found\n", dev->name);
328 priv->phyinfo = curphy;
330 phy_run_commands(priv, priv->phyinfo->config);
336 /* Returns which value to write to the control register. */
337 /* For 10/100, the value is slightly different */
338 uint mii_cr_init(uint mii_reg, struct tsec_private *priv)
340 if(priv->flags & TSEC_GIGABIT)
341 return MIIM_CONTROL_INIT;
347 /* Parse the status register for link, and then do
348 * auto-negotiation */
349 uint mii_parse_sr(uint mii_reg, struct tsec_private *priv)
352 * Wait if PHY is capable of autonegotiation and autonegotiation is not complete
354 mii_reg = read_phy_reg(priv, MIIM_STATUS);
355 if ((mii_reg & PHY_BMSR_AUTN_ABLE) && !(mii_reg & PHY_BMSR_AUTN_COMP)) {
358 puts ("Waiting for PHY auto negotiation to complete");
359 while (!((mii_reg & PHY_BMSR_AUTN_COMP) && (mii_reg & MIIM_STATUS_LINK))) {
363 if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
364 puts (" TIMEOUT !\n");
369 if ((i++ % 1000) == 0) {
372 udelay (1000); /* 1 ms */
373 mii_reg = read_phy_reg(priv, MIIM_STATUS);
377 udelay (500000); /* another 500 ms (results in faster booting) */
386 /* Parse the 88E1011's status register for speed and duplex
388 uint mii_parse_88E1011_psr(uint mii_reg, struct tsec_private *priv)
392 mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
394 if (!((mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE) &&
395 (mii_reg & MIIM_88E1011_PHYSTAT_LINK))) {
398 puts ("Waiting for PHY realtime link");
399 while (!((mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE) &&
400 (mii_reg & MIIM_88E1011_PHYSTAT_LINK))) {
404 if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
405 puts (" TIMEOUT !\n");
410 if ((i++ % 1000) == 0) {
413 udelay (1000); /* 1 ms */
414 mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
417 udelay (500000); /* another 500 ms (results in faster booting) */
420 if(mii_reg & MIIM_88E1011_PHYSTAT_DUPLEX)
425 speed = (mii_reg &MIIM_88E1011_PHYSTAT_SPEED);
428 case MIIM_88E1011_PHYSTAT_GBIT:
431 case MIIM_88E1011_PHYSTAT_100:
442 /* Parse the cis8201's status register for speed and duplex
444 uint mii_parse_cis8201(uint mii_reg, struct tsec_private *priv)
448 if(mii_reg & MIIM_CIS8201_AUXCONSTAT_DUPLEX)
453 speed = mii_reg & MIIM_CIS8201_AUXCONSTAT_SPEED;
455 case MIIM_CIS8201_AUXCONSTAT_GBIT:
458 case MIIM_CIS8201_AUXCONSTAT_100:
470 /* Parse the DM9161's status register for speed and duplex
472 uint mii_parse_dm9161_scsr(uint mii_reg, struct tsec_private *priv)
474 if(mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_100H))
479 if(mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_10F))
488 /* Hack to write all 4 PHYs with the LED values */
489 uint mii_cis8204_fixled(uint mii_reg, struct tsec_private *priv)
492 volatile tsec_t *regbase = priv->phyregs;
495 for(phyid=0;phyid<4;phyid++) {
496 regbase->miimadd = (phyid << 8) | mii_reg;
497 regbase->miimcon = MIIM_CIS8204_SLEDCON_INIT;
501 while((regbase->miimind & MIIMIND_BUSY) && timeout--);
504 return MIIM_CIS8204_SLEDCON_INIT;
507 uint mii_cis8204_setmode(uint mii_reg, struct tsec_private *priv)
509 if (priv->flags & TSEC_REDUCED)
510 return MIIM_CIS8204_EPHYCON_INIT | MIIM_CIS8204_EPHYCON_RGMII;
512 return MIIM_CIS8204_EPHYCON_INIT;
515 /* Initialized required registers to appropriate values, zeroing
516 * those we don't care about (unless zero is bad, in which case,
517 * choose a more appropriate value) */
518 static void init_registers(volatile tsec_t *regs)
521 regs->ievent = IEVENT_INIT_CLEAR;
523 regs->imask = IMASK_INIT_CLEAR;
525 regs->hash.iaddr0 = 0;
526 regs->hash.iaddr1 = 0;
527 regs->hash.iaddr2 = 0;
528 regs->hash.iaddr3 = 0;
529 regs->hash.iaddr4 = 0;
530 regs->hash.iaddr5 = 0;
531 regs->hash.iaddr6 = 0;
532 regs->hash.iaddr7 = 0;
534 regs->hash.gaddr0 = 0;
535 regs->hash.gaddr1 = 0;
536 regs->hash.gaddr2 = 0;
537 regs->hash.gaddr3 = 0;
538 regs->hash.gaddr4 = 0;
539 regs->hash.gaddr5 = 0;
540 regs->hash.gaddr6 = 0;
541 regs->hash.gaddr7 = 0;
543 regs->rctrl = 0x00000000;
545 /* Init RMON mib registers */
546 memset((void *)&(regs->rmon), 0, sizeof(rmon_mib_t));
548 regs->rmon.cam1 = 0xffffffff;
549 regs->rmon.cam2 = 0xffffffff;
551 regs->mrblr = MRBLR_INIT_SETTINGS;
553 regs->minflr = MINFLR_INIT_SETTINGS;
555 regs->attr = ATTR_INIT_SETTINGS;
556 regs->attreli = ATTRELI_INIT_SETTINGS;
561 /* Configure maccfg2 based on negotiated speed and duplex
562 * reported by PHY handling code */
563 static void adjust_link(struct eth_device *dev)
565 struct tsec_private *priv = (struct tsec_private *)dev->priv;
566 volatile tsec_t *regs = priv->regs;
569 if(priv->duplexity != 0)
570 regs->maccfg2 |= MACCFG2_FULL_DUPLEX;
572 regs->maccfg2 &= ~(MACCFG2_FULL_DUPLEX);
574 switch(priv->speed) {
576 regs->maccfg2 = ((regs->maccfg2&~(MACCFG2_IF))
581 regs->maccfg2 = ((regs->maccfg2&~(MACCFG2_IF))
584 /* If We're in reduced mode, we need
585 * to say whether we're 10 or 100 MB.
587 if ((priv->speed == 100)
588 && (priv->flags & TSEC_REDUCED))
589 regs->ecntrl |= ECNTRL_R100;
591 regs->ecntrl &= ~(ECNTRL_R100);
594 printf("%s: Speed was bad\n", dev->name);
598 printf("Speed: %d, %s duplex\n", priv->speed,
599 (priv->duplexity) ? "full" : "half");
602 printf("%s: No link.\n", dev->name);
607 /* Set up the buffers and their descriptors, and bring up the
609 static void startup_tsec(struct eth_device *dev)
612 struct tsec_private *priv = (struct tsec_private *)dev->priv;
613 volatile tsec_t *regs = priv->regs;
615 /* Point to the buffer descriptors */
616 regs->tbase = (unsigned int)(&rtx.txbd[txIdx]);
617 regs->rbase = (unsigned int)(&rtx.rxbd[rxIdx]);
619 /* Initialize the Rx Buffer descriptors */
620 for (i = 0; i < PKTBUFSRX; i++) {
621 rtx.rxbd[i].status = RXBD_EMPTY;
622 rtx.rxbd[i].length = 0;
623 rtx.rxbd[i].bufPtr = (uint)NetRxPackets[i];
625 rtx.rxbd[PKTBUFSRX -1].status |= RXBD_WRAP;
627 /* Initialize the TX Buffer Descriptors */
628 for(i=0; i<TX_BUF_CNT; i++) {
629 rtx.txbd[i].status = 0;
630 rtx.txbd[i].length = 0;
631 rtx.txbd[i].bufPtr = 0;
633 rtx.txbd[TX_BUF_CNT -1].status |= TXBD_WRAP;
635 /* Start up the PHY */
636 phy_run_commands(priv, priv->phyinfo->startup);
639 /* Enable Transmit and Receive */
640 regs->maccfg1 |= (MACCFG1_RX_EN | MACCFG1_TX_EN);
642 /* Tell the DMA it is clear to go */
643 regs->dmactrl |= DMACTRL_INIT_SETTINGS;
644 regs->tstat = TSTAT_CLEAR_THALT;
645 regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
648 /* This returns the status bits of the device. The return value
649 * is never checked, and this is what the 8260 driver did, so we
650 * do the same. Presumably, this would be zero if there were no
652 static int tsec_send(struct eth_device* dev, volatile void *packet, int length)
656 struct tsec_private *priv = (struct tsec_private *)dev->priv;
657 volatile tsec_t *regs = priv->regs;
659 /* Find an empty buffer descriptor */
660 for(i=0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
661 if (i >= TOUT_LOOP) {
662 debug ("%s: tsec: tx buffers full\n", dev->name);
667 rtx.txbd[txIdx].bufPtr = (uint)packet;
668 rtx.txbd[txIdx].length = length;
669 rtx.txbd[txIdx].status |= (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT);
671 /* Tell the DMA to go */
672 regs->tstat = TSTAT_CLEAR_THALT;
674 /* Wait for buffer to be transmitted */
675 for(i=0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
676 if (i >= TOUT_LOOP) {
677 debug ("%s: tsec: tx error\n", dev->name);
682 txIdx = (txIdx + 1) % TX_BUF_CNT;
683 result = rtx.txbd[txIdx].status & TXBD_STATS;
688 static int tsec_recv(struct eth_device* dev)
691 struct tsec_private *priv = (struct tsec_private *)dev->priv;
692 volatile tsec_t *regs = priv->regs;
694 while(!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) {
696 length = rtx.rxbd[rxIdx].length;
698 /* Send the packet up if there were no errors */
699 if (!(rtx.rxbd[rxIdx].status & RXBD_STATS)) {
700 NetReceive(NetRxPackets[rxIdx], length - 4);
702 printf("Got error %x\n",
703 (rtx.rxbd[rxIdx].status & RXBD_STATS));
706 rtx.rxbd[rxIdx].length = 0;
708 /* Set the wrap bit if this is the last element in the list */
709 rtx.rxbd[rxIdx].status = RXBD_EMPTY | (((rxIdx + 1) == PKTBUFSRX) ? RXBD_WRAP : 0);
711 rxIdx = (rxIdx + 1) % PKTBUFSRX;
714 if(regs->ievent&IEVENT_BSY) {
715 regs->ievent = IEVENT_BSY;
716 regs->rstat = RSTAT_CLEAR_RHALT;
724 /* Stop the interface */
725 static void tsec_halt(struct eth_device* dev)
727 struct tsec_private *priv = (struct tsec_private *)dev->priv;
728 volatile tsec_t *regs = priv->regs;
730 regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
731 regs->dmactrl |= (DMACTRL_GRS | DMACTRL_GTS);
733 while(!(regs->ievent & (IEVENT_GRSC | IEVENT_GTSC)));
735 regs->maccfg1 &= ~(MACCFG1_TX_EN | MACCFG1_RX_EN);
737 /* Shut down the PHY, as needed */
738 phy_run_commands(priv, priv->phyinfo->shutdown);
742 struct phy_info phy_info_M88E1011S = {
746 (struct phy_cmd[]) { /* config */
747 /* Reset and configure the PHY */
748 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
750 {0x1e, 0x200c, NULL},
754 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
755 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
756 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
757 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
760 (struct phy_cmd[]) { /* startup */
761 /* Status is read once to clear old link state */
762 {MIIM_STATUS, miim_read, NULL},
764 {MIIM_STATUS, miim_read, &mii_parse_sr},
765 /* Read the status */
766 {MIIM_88E1011_PHY_STATUS, miim_read, &mii_parse_88E1011_psr},
769 (struct phy_cmd[]) { /* shutdown */
774 struct phy_info phy_info_M88E1111S = {
778 (struct phy_cmd[]) { /* config */
779 /* Reset and configure the PHY */
780 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
782 {0x1e, 0x200c, NULL},
786 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
787 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
788 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
789 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
792 (struct phy_cmd[]) { /* startup */
793 /* Status is read once to clear old link state */
794 {MIIM_STATUS, miim_read, NULL},
796 {MIIM_STATUS, miim_read, &mii_parse_sr},
797 /* Read the status */
798 {MIIM_88E1011_PHY_STATUS, miim_read, &mii_parse_88E1011_psr},
801 (struct phy_cmd[]) { /* shutdown */
806 struct phy_info phy_info_cis8204 = {
810 (struct phy_cmd[]) { /* config */
811 /* Override PHY config settings */
812 {MIIM_CIS8201_AUX_CONSTAT, MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
813 /* Configure some basic stuff */
814 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
815 {MIIM_CIS8204_SLED_CON, MIIM_CIS8204_SLEDCON_INIT, &mii_cis8204_fixled},
816 {MIIM_CIS8204_EPHY_CON, MIIM_CIS8204_EPHYCON_INIT, &mii_cis8204_setmode},
819 (struct phy_cmd[]) { /* startup */
820 /* Read the Status (2x to make sure link is right) */
821 {MIIM_STATUS, miim_read, NULL},
823 {MIIM_STATUS, miim_read, &mii_parse_sr},
824 /* Read the status */
825 {MIIM_CIS8201_AUX_CONSTAT, miim_read, &mii_parse_cis8201},
828 (struct phy_cmd[]) { /* shutdown */
834 struct phy_info phy_info_cis8201 = {
838 (struct phy_cmd[]) { /* config */
839 /* Override PHY config settings */
840 {MIIM_CIS8201_AUX_CONSTAT, MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
841 /* Set up the interface mode */
842 {MIIM_CIS8201_EXT_CON1, MIIM_CIS8201_EXTCON1_INIT, NULL},
843 /* Configure some basic stuff */
844 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
847 (struct phy_cmd[]) { /* startup */
848 /* Read the Status (2x to make sure link is right) */
849 {MIIM_STATUS, miim_read, NULL},
851 {MIIM_STATUS, miim_read, &mii_parse_sr},
852 /* Read the status */
853 {MIIM_CIS8201_AUX_CONSTAT, miim_read, &mii_parse_cis8201},
856 (struct phy_cmd[]) { /* shutdown */
862 struct phy_info phy_info_dm9161 = {
866 (struct phy_cmd[]) { /* config */
867 {MIIM_CONTROL, MIIM_DM9161_CR_STOP, NULL},
868 /* Do not bypass the scrambler/descrambler */
869 {MIIM_DM9161_SCR, MIIM_DM9161_SCR_INIT, NULL},
870 /* Clear 10BTCSR to default */
871 {MIIM_DM9161_10BTCSR, MIIM_DM9161_10BTCSR_INIT, NULL},
872 /* Configure some basic stuff */
873 {MIIM_CONTROL, MIIM_CR_INIT, NULL},
874 /* Restart Auto Negotiation */
875 {MIIM_CONTROL, MIIM_DM9161_CR_RSTAN, NULL},
878 (struct phy_cmd[]) { /* startup */
879 /* Status is read once to clear old link state */
880 {MIIM_STATUS, miim_read, NULL},
882 {MIIM_STATUS, miim_read, &mii_parse_sr},
883 /* Read the status */
884 {MIIM_DM9161_SCSR, miim_read, &mii_parse_dm9161_scsr},
887 (struct phy_cmd[]) { /* shutdown */
892 uint mii_parse_lxt971_sr2(uint mii_reg, struct tsec_private *priv)
896 speed = mii_reg & MIIM_LXT971_SR2_SPEED_MASK;
899 case MIIM_LXT971_SR2_10HDX:
903 case MIIM_LXT971_SR2_10FDX:
907 case MIIM_LXT971_SR2_100HDX:
923 static struct phy_info phy_info_lxt971 = {
927 (struct phy_cmd []) { /* config */
928 { MIIM_CR, MIIM_CR_INIT, mii_cr_init }, /* autonegotiate */
931 (struct phy_cmd []) { /* startup - enable interrupts */
932 /* { 0x12, 0x00f2, NULL }, */
933 { MIIM_STATUS, miim_read, NULL },
934 { MIIM_STATUS, miim_read, &mii_parse_sr },
935 { MIIM_LXT971_SR2, miim_read, &mii_parse_lxt971_sr2 },
938 (struct phy_cmd []) { /* shutdown - disable interrupts */
943 /* Parse the DP83865's link and auto-neg status register for speed and duplex
945 uint mii_parse_dp83865_lanr(uint mii_reg, struct tsec_private *priv)
947 switch (mii_reg & MIIM_DP83865_SPD_MASK) {
949 case MIIM_DP83865_SPD_1000:
953 case MIIM_DP83865_SPD_100:
963 if (mii_reg & MIIM_DP83865_DPX_FULL)
971 struct phy_info phy_info_dp83865 = {
975 (struct phy_cmd[]) { /* config */
976 {MIIM_CONTROL, MIIM_DP83865_CR_INIT, NULL},
979 (struct phy_cmd[]) { /* startup */
980 /* Status is read once to clear old link state */
981 {MIIM_STATUS, miim_read, NULL},
983 {MIIM_STATUS, miim_read, &mii_parse_sr},
984 /* Read the link and auto-neg status */
985 {MIIM_DP83865_LANR, miim_read, &mii_parse_dp83865_lanr},
988 (struct phy_cmd[]) { /* shutdown */
993 struct phy_info *phy_info[] = {
1007 /* Grab the identifier of the device's PHY, and search through
1008 * all of the known PHYs to see if one matches. If so, return
1009 * it, if not, return NULL */
1010 struct phy_info * get_phy_info(struct eth_device *dev)
1012 struct tsec_private *priv = (struct tsec_private *)dev->priv;
1013 uint phy_reg, phy_ID;
1015 struct phy_info *theInfo = NULL;
1017 /* Grab the bits from PHYIR1, and put them in the upper half */
1018 phy_reg = read_phy_reg(priv, MIIM_PHYIR1);
1019 phy_ID = (phy_reg & 0xffff) << 16;
1021 /* Grab the bits from PHYIR2, and put them in the lower half */
1022 phy_reg = read_phy_reg(priv, MIIM_PHYIR2);
1023 phy_ID |= (phy_reg & 0xffff);
1025 /* loop through all the known PHY types, and find one that */
1026 /* matches the ID we read from the PHY. */
1027 for(i=0; phy_info[i]; i++) {
1028 if(phy_info[i]->id == (phy_ID >> phy_info[i]->shift))
1029 theInfo = phy_info[i];
1034 printf("%s: PHY id %x is not supported!\n", dev->name, phy_ID);
1037 debug("%s: PHY is %s (%x)\n", dev->name, theInfo->name, phy_ID);
1044 /* Execute the given series of commands on the given device's
1045 * PHY, running functions as necessary*/
1046 void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd)
1050 volatile tsec_t *phyregs = priv->phyregs;
1052 phyregs->miimcfg = MIIMCFG_RESET;
1054 phyregs->miimcfg = MIIMCFG_INIT_VALUE;
1056 while(phyregs->miimind & MIIMIND_BUSY);
1058 for(i=0;cmd->mii_reg != miim_end;i++) {
1059 if(cmd->mii_data == miim_read) {
1060 result = read_phy_reg(priv, cmd->mii_reg);
1062 if(cmd->funct != NULL)
1063 (*(cmd->funct))(result, priv);
1066 if(cmd->funct != NULL)
1067 result = (*(cmd->funct))(cmd->mii_reg, priv);
1069 result = cmd->mii_data;
1071 write_phy_reg(priv, cmd->mii_reg, result);
1079 /* Relocate the function pointers in the phy cmd lists */
1080 static void relocate_cmds(void)
1082 struct phy_cmd **cmdlistptr;
1083 struct phy_cmd *cmd;
1085 DECLARE_GLOBAL_DATA_PTR;
1087 for(i=0; phy_info[i]; i++) {
1088 /* First thing's first: relocate the pointers to the
1089 * PHY command structures (the structs were done) */
1090 phy_info[i] = (struct phy_info *) ((uint)phy_info[i]
1092 phy_info[i]->name += gd->reloc_off;
1093 phy_info[i]->config =
1094 (struct phy_cmd *)((uint)phy_info[i]->config
1096 phy_info[i]->startup =
1097 (struct phy_cmd *)((uint)phy_info[i]->startup
1099 phy_info[i]->shutdown =
1100 (struct phy_cmd *)((uint)phy_info[i]->shutdown
1103 cmdlistptr = &phy_info[i]->config;
1105 for(;cmdlistptr <= &phy_info[i]->shutdown;cmdlistptr++) {
1107 for(cmd=*cmdlistptr;cmd->mii_reg != miim_end;cmd++) {
1108 /* Only relocate non-NULL pointers */
1110 cmd->funct += gd->reloc_off;
1122 #if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) \
1123 && !defined(BITBANGMII)
1125 struct tsec_private * get_priv_for_phy(unsigned char phyaddr)
1129 for(i=0;i<MAXCONTROLLERS;i++) {
1130 if(privlist[i]->phyaddr == phyaddr)
1138 * Read a MII PHY register.
1143 static int tsec_miiphy_read(char *devname, unsigned char addr,
1144 unsigned char reg, unsigned short *value)
1147 struct tsec_private *priv = get_priv_for_phy(addr);
1150 printf("Can't read PHY at address %d\n", addr);
1154 ret = (unsigned short)read_phy_reg(priv, reg);
1161 * Write a MII PHY register.
1166 static int tsec_miiphy_write(char *devname, unsigned char addr,
1167 unsigned char reg, unsigned short value)
1169 struct tsec_private *priv = get_priv_for_phy(addr);
1172 printf("Can't write PHY at address %d\n", addr);
1176 write_phy_reg(priv, reg, value);
1181 #endif /* defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
1182 && !defined(BITBANGMII) */
1184 #endif /* CONFIG_TSEC_ENET */