2 * Altera 10/100/1000 triple speed ethernet mac driver
4 * Copyright (C) 2008 Altera Corporation.
5 * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
16 #include <asm/cache.h>
17 #include <asm/dma-mapping.h>
19 #include "altera_tse.h"
21 /* sgdma debug - print descriptor */
22 static void alt_sgdma_print_desc(volatile struct alt_sgdma_descriptor *desc)
24 debug("SGDMA DEBUG :\n");
25 debug("desc->source : 0x%x \n", (unsigned int)desc->source);
26 debug("desc->destination : 0x%x \n", (unsigned int)desc->destination);
27 debug("desc->next : 0x%x \n", (unsigned int)desc->next);
28 debug("desc->source_pad : 0x%x \n", (unsigned int)desc->source_pad);
29 debug("desc->destination_pad : 0x%x \n",
30 (unsigned int)desc->destination_pad);
31 debug("desc->next_pad : 0x%x \n", (unsigned int)desc->next_pad);
32 debug("desc->bytes_to_transfer : 0x%x \n",
33 (unsigned int)desc->bytes_to_transfer);
34 debug("desc->actual_bytes_transferred : 0x%x \n",
35 (unsigned int)desc->actual_bytes_transferred);
36 debug("desc->descriptor_status : 0x%x \n",
37 (unsigned int)desc->descriptor_status);
38 debug("desc->descriptor_control : 0x%x \n",
39 (unsigned int)desc->descriptor_control);
42 /* This is a generic routine that the SGDMA mode-specific routines
43 * call to populate a descriptor.
44 * arg1 :pointer to first SGDMA descriptor.
45 * arg2 :pointer to next SGDMA descriptor.
46 * arg3 :Address to where data to be written.
47 * arg4 :Address from where data to be read.
48 * arg5 :no of byte to transaction.
49 * arg6 :variable indicating to generate start of packet or not
54 * arg11 :atlantic_channel number
56 static void alt_sgdma_construct_descriptor_burst(
57 volatile struct alt_sgdma_descriptor *desc,
58 volatile struct alt_sgdma_descriptor *next,
59 unsigned int *read_addr,
60 unsigned int *write_addr,
61 unsigned short length_or_eop,
64 int write_fixed_or_sop,
67 unsigned char atlantic_channel)
70 * Mark the "next" descriptor as "not" owned by hardware. This prevents
71 * The SGDMA controller from continuing to process the chain. This is
72 * done as a single IO write to bypass cache, without flushing
73 * the entire descriptor, since only the 8-bit descriptor status must
77 debug("Next descriptor not defined!!\n");
79 next->descriptor_control = (next->descriptor_control &
80 ~ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK);
82 desc->source = (unsigned int *)((unsigned int)read_addr & 0x1FFFFFFF);
84 (unsigned int *)((unsigned int)write_addr & 0x1FFFFFFF);
85 desc->next = (unsigned int *)((unsigned int)next & 0x1FFFFFFF);
86 desc->source_pad = 0x0;
87 desc->destination_pad = 0x0;
89 desc->bytes_to_transfer = length_or_eop;
90 desc->actual_bytes_transferred = 0;
91 desc->descriptor_status = 0x0;
93 /* SGDMA burst not currently supported */
95 desc->write_burst = 0;
98 * Set the descriptor control block as follows:
99 * - Set "owned by hardware" bit
100 * - Optionally set "generate EOP" bit
101 * - Optionally set the "read from fixed address" bit
102 * - Optionally set the "write to fixed address bit (which serves
103 * serves as a "generate SOP" control bit in memory-to-stream mode).
104 * - Set the 4-bit atlantic channel, if specified
106 * Note this step is performed after all other descriptor information
107 * has been filled out so that, if the controller already happens to be
108 * pointing at this descriptor, it will not run (via the "owned by
109 * hardware" bit) until all other descriptor has been set up.
112 desc->descriptor_control =
113 ((ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK) |
115 ALT_SGDMA_DESCRIPTOR_CONTROL_GENERATE_EOP_MSK : 0x0) |
117 ALT_SGDMA_DESCRIPTOR_CONTROL_READ_FIXED_ADDRESS_MSK : 0x0) |
118 (write_fixed_or_sop ?
119 ALT_SGDMA_DESCRIPTOR_CONTROL_WRITE_FIXED_ADDRESS_MSK : 0x0) |
120 (atlantic_channel ? ((atlantic_channel & 0x0F) << 3) : 0)
124 static int alt_sgdma_do_sync_transfer(volatile struct alt_sgdma_registers *dev,
125 volatile struct alt_sgdma_descriptor *desc)
130 /* Wait for any pending transfers to complete */
131 alt_sgdma_print_desc(desc);
132 status = dev->status;
135 while (dev->status & ALT_SGDMA_STATUS_BUSY_MSK) {
136 if (counter++ > ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
140 if (counter >= ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
141 debug("Timeout waiting sgdma in do sync!\n");
144 * Clear any (previous) status register information
145 * that might occlude our error checking later.
149 /* Point the controller at the descriptor */
150 dev->next_descriptor_pointer = (unsigned int)desc & 0x1FFFFFFF;
151 debug("next desc in sgdma 0x%x\n",
152 (unsigned int)dev->next_descriptor_pointer);
155 * Set up SGDMA controller to:
156 * - Disable interrupt generation
157 * - Run once a valid descriptor is written to controller
158 * - Stop on an error with any particular descriptor
160 dev->control = (ALT_SGDMA_CONTROL_RUN_MSK |
161 ALT_SGDMA_CONTROL_STOP_DMA_ER_MSK);
163 /* Wait for the descriptor (chain) to complete */
164 status = dev->status;
165 debug("wait for sgdma....");
166 while (dev->status & ALT_SGDMA_STATUS_BUSY_MSK)
171 dev->control = (dev->control & (~ALT_SGDMA_CONTROL_RUN_MSK));
173 /* Get & clear status register contents */
174 status = dev->status;
177 /* we really should check if the transfer completes properly */
178 debug("tx sgdma status = 0x%x", status);
182 static int alt_sgdma_do_async_transfer(volatile struct alt_sgdma_registers *dev,
183 volatile struct alt_sgdma_descriptor *desc)
188 /* Wait for any pending transfers to complete */
189 alt_sgdma_print_desc(desc);
190 status = dev->status;
193 while (dev->status & ALT_SGDMA_STATUS_BUSY_MSK) {
194 if (counter++ > ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
198 if (counter >= ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
199 debug("Timeout waiting sgdma in do async!\n");
202 * Clear any (previous) status register information
203 * that might occlude our error checking later.
207 /* Point the controller at the descriptor */
208 dev->next_descriptor_pointer = (unsigned int)desc & 0x1FFFFFFF;
211 * Set up SGDMA controller to:
212 * - Disable interrupt generation
213 * - Run once a valid descriptor is written to controller
214 * - Stop on an error with any particular descriptor
216 dev->control = (ALT_SGDMA_CONTROL_RUN_MSK |
217 ALT_SGDMA_CONTROL_STOP_DMA_ER_MSK);
219 /* we really should check if the transfer completes properly */
223 /* u-boot interface */
224 static int tse_adjust_link(struct altera_tse_priv *priv)
228 refvar = priv->mac_dev->command_config.image;
230 if (!(priv->duplexity))
231 refvar |= ALTERA_TSE_CMD_HD_ENA_MSK;
233 refvar &= ~ALTERA_TSE_CMD_HD_ENA_MSK;
235 switch (priv->speed) {
237 refvar |= ALTERA_TSE_CMD_ETH_SPEED_MSK;
238 refvar &= ~ALTERA_TSE_CMD_ENA_10_MSK;
241 refvar &= ~ALTERA_TSE_CMD_ETH_SPEED_MSK;
242 refvar &= ~ALTERA_TSE_CMD_ENA_10_MSK;
245 refvar &= ~ALTERA_TSE_CMD_ETH_SPEED_MSK;
246 refvar |= ALTERA_TSE_CMD_ENA_10_MSK;
249 priv->mac_dev->command_config.image = refvar;
254 static int tse_eth_send(struct eth_device *dev,
255 volatile void *packet, int length)
257 struct altera_tse_priv *priv = dev->priv;
258 volatile struct alt_sgdma_registers *tx_sgdma = priv->sgdma_tx;
259 volatile struct alt_sgdma_descriptor *tx_desc =
260 (volatile struct alt_sgdma_descriptor *)priv->tx_desc;
262 volatile struct alt_sgdma_descriptor *tx_desc_cur =
263 (volatile struct alt_sgdma_descriptor *)&tx_desc[0];
265 flush_dcache((unsigned long)packet, length);
266 alt_sgdma_construct_descriptor_burst(
267 (volatile struct alt_sgdma_descriptor *)&tx_desc[0],
268 (volatile struct alt_sgdma_descriptor *)&tx_desc[1],
269 (unsigned int *)packet, /* read addr */
271 length, /* length or EOP ,will change for each tx */
273 0x0, /* read fixed */
274 0x1, /* write fixed or sop */
275 0x0, /* read burst */
276 0x0, /* write burst */
279 debug("TX Packet @ 0x%x,0x%x bytes", (unsigned int)packet, length);
281 /* send the packet */
282 debug("sending packet\n");
283 alt_sgdma_do_sync_transfer(tx_sgdma, tx_desc_cur);
284 debug("sent %d bytes\n", tx_desc_cur->actual_bytes_transferred);
285 return tx_desc_cur->actual_bytes_transferred;
288 static int tse_eth_rx(struct eth_device *dev)
290 int packet_length = 0;
291 struct altera_tse_priv *priv = dev->priv;
292 volatile struct alt_sgdma_descriptor *rx_desc =
293 (volatile struct alt_sgdma_descriptor *)priv->rx_desc;
294 volatile struct alt_sgdma_descriptor *rx_desc_cur = &rx_desc[0];
296 if (rx_desc_cur->descriptor_status &
297 ALT_SGDMA_DESCRIPTOR_STATUS_TERMINATED_BY_EOP_MSK) {
298 debug("got packet\n");
299 packet_length = rx_desc->actual_bytes_transferred;
300 NetReceive(NetRxPackets[0], packet_length);
302 /* start descriptor again */
303 flush_dcache((unsigned long)(NetRxPackets[0]), PKTSIZE_ALIGN);
304 alt_sgdma_construct_descriptor_burst(
305 (volatile struct alt_sgdma_descriptor *)&rx_desc[0],
306 (volatile struct alt_sgdma_descriptor *)&rx_desc[1],
307 (unsigned int)0x0, /* read addr */
308 (unsigned int *)NetRxPackets[0],
309 0x0, /* length or EOP */
311 0x0, /* read fixed */
312 0x0, /* write fixed or sop */
313 0x0, /* read burst */
314 0x0, /* write burst */
318 /* setup the sgdma */
319 alt_sgdma_do_async_transfer(priv->sgdma_rx, &rx_desc[0]);
325 static void tse_eth_halt(struct eth_device *dev)
327 /* don't do anything! */
328 /* this gets called after each uboot */
329 /* network command. don't need to reset the thing all of the time */
332 static void tse_eth_reset(struct eth_device *dev)
334 /* stop sgdmas, disable tse receive */
335 struct altera_tse_priv *priv = dev->priv;
336 volatile struct alt_tse_mac *mac_dev = priv->mac_dev;
337 volatile struct alt_sgdma_registers *rx_sgdma = priv->sgdma_rx;
338 volatile struct alt_sgdma_registers *tx_sgdma = priv->sgdma_tx;
340 volatile struct alt_sgdma_descriptor *rx_desc =
341 (volatile struct alt_sgdma_descriptor *)&priv->rx_desc[0];
343 /* clear rx desc & wait for sgdma to complete */
344 rx_desc->descriptor_control = 0;
345 rx_sgdma->control = 0;
347 while (rx_sgdma->status & ALT_SGDMA_STATUS_BUSY_MSK) {
348 if (counter++ > ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
352 if (counter >= ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR) {
353 debug("Timeout waiting for rx sgdma!\n");
354 rx_sgdma->control &= ALT_SGDMA_CONTROL_SOFTWARERESET_MSK;
355 rx_sgdma->control &= ALT_SGDMA_CONTROL_SOFTWARERESET_MSK;
359 tx_sgdma->control = 0;
360 while (tx_sgdma->status & ALT_SGDMA_STATUS_BUSY_MSK) {
361 if (counter++ > ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
365 if (counter >= ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR) {
366 debug("Timeout waiting for tx sgdma!\n");
367 tx_sgdma->control &= ALT_SGDMA_CONTROL_SOFTWARERESET_MSK;
368 tx_sgdma->control &= ALT_SGDMA_CONTROL_SOFTWARERESET_MSK;
371 mac_dev->command_config.bits.transmit_enable = 1;
372 mac_dev->command_config.bits.receive_enable = 1;
373 mac_dev->command_config.bits.software_reset = 1;
376 while (mac_dev->command_config.bits.software_reset) {
377 if (counter++ > ALT_TSE_SW_RESET_WATCHDOG_CNTR)
381 if (counter >= ALT_TSE_SW_RESET_WATCHDOG_CNTR)
382 debug("TSEMAC SW reset bit never cleared!\n");
385 static int tse_mdio_read(struct altera_tse_priv *priv, unsigned int regnum)
387 volatile struct alt_tse_mac *mac_dev;
388 unsigned int *mdio_regs;
392 mac_dev = priv->mac_dev;
394 /* set mdio address */
395 mac_dev->mdio_phy1_addr = priv->phyaddr;
396 mdio_regs = (unsigned int *)&mac_dev->mdio_phy1;
399 data = mdio_regs[regnum];
401 value = data & 0xffff;
406 static int tse_mdio_write(struct altera_tse_priv *priv, unsigned int regnum,
409 volatile struct alt_tse_mac *mac_dev;
410 unsigned int *mdio_regs;
413 mac_dev = priv->mac_dev;
415 /* set mdio address */
416 mac_dev->mdio_phy1_addr = priv->phyaddr;
417 mdio_regs = (unsigned int *)&mac_dev->mdio_phy1;
420 data = (unsigned int)value;
422 mdio_regs[regnum] = data;
427 /* MDIO access to phy */
428 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) && !defined(BITBANGMII)
429 static int altera_tse_miiphy_write(const char *devname, unsigned char addr,
430 unsigned char reg, unsigned short value)
432 struct eth_device *dev;
433 struct altera_tse_priv *priv;
434 dev = eth_get_dev_by_name(devname);
437 tse_mdio_write(priv, (uint) reg, (uint) value);
442 static int altera_tse_miiphy_read(const char *devname, unsigned char addr,
443 unsigned char reg, unsigned short *value)
445 struct eth_device *dev;
446 struct altera_tse_priv *priv;
447 volatile struct alt_tse_mac *mac_dev;
448 unsigned int *mdio_regs;
450 dev = eth_get_dev_by_name(devname);
453 mac_dev = priv->mac_dev;
454 mac_dev->mdio_phy1_addr = (int)addr;
455 mdio_regs = (unsigned int *)&mac_dev->mdio_phy1;
457 *value = 0xffff & mdio_regs[reg];
465 * Also copied from tsec.c
467 /* Parse the status register for link, and then do
470 static uint mii_parse_sr(uint mii_reg, struct altera_tse_priv *priv)
473 * Wait if the link is up, and autonegotiation is in progress
474 * (ie - we're capable and it's not done)
476 mii_reg = tse_mdio_read(priv, MIIM_STATUS);
478 if (!(mii_reg & MIIM_STATUS_LINK) && (mii_reg & BMSR_ANEGCAPABLE)
479 && !(mii_reg & BMSR_ANEGCOMPLETE)) {
482 puts("Waiting for PHY auto negotiation to complete");
483 while (!(mii_reg & BMSR_ANEGCOMPLETE)) {
487 if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
488 puts(" TIMEOUT !\n");
493 if ((i++ % 1000) == 0)
495 udelay(1000); /* 1 ms */
496 mii_reg = tse_mdio_read(priv, MIIM_STATUS);
500 udelay(500000); /* another 500 ms (results in faster booting) */
502 if (mii_reg & MIIM_STATUS_LINK) {
503 debug("Link is up\n");
506 debug("Link is down\n");
514 /* Parse the 88E1011's status register for speed and duplex
517 static uint mii_parse_88E1011_psr(uint mii_reg, struct altera_tse_priv *priv)
521 mii_reg = tse_mdio_read(priv, MIIM_88E1011_PHY_STATUS);
523 if ((mii_reg & MIIM_88E1011_PHYSTAT_LINK) &&
524 !(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
527 puts("Waiting for PHY realtime link");
528 while (!(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
529 /* Timeout reached ? */
530 if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
531 puts(" TIMEOUT !\n");
536 if ((i++ == 1000) == 0) {
540 udelay(1000); /* 1 ms */
541 mii_reg = tse_mdio_read(priv, MIIM_88E1011_PHY_STATUS);
544 udelay(500000); /* another 500 ms (results in faster booting) */
546 if (mii_reg & MIIM_88E1011_PHYSTAT_LINK)
552 if (mii_reg & MIIM_88E1011_PHYSTAT_DUPLEX)
557 speed = (mii_reg & MIIM_88E1011_PHYSTAT_SPEED);
560 case MIIM_88E1011_PHYSTAT_GBIT:
562 debug("PHY Speed is 1000Mbit\n");
564 case MIIM_88E1011_PHYSTAT_100:
565 debug("PHY Speed is 100Mbit\n");
569 debug("PHY Speed is 10Mbit\n");
576 static uint mii_m88e1111s_setmode_sr(uint mii_reg, struct altera_tse_priv *priv)
578 uint mii_data = tse_mdio_read(priv, mii_reg);
584 static uint mii_m88e1111s_setmode_cr(uint mii_reg, struct altera_tse_priv *priv)
586 uint mii_data = tse_mdio_read(priv, mii_reg);
593 * Returns which value to write to the control register.
594 * For 10/100, the value is slightly different
596 static uint mii_cr_init(uint mii_reg, struct altera_tse_priv *priv)
598 return MIIM_CONTROL_INIT;
603 * Need to add SGMII stuff
607 static struct phy_info phy_info_M88E1111S = {
611 (struct phy_cmd[]){ /* config */
612 /* Reset and configure the PHY */
613 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
614 {MIIM_88E1111_PHY_EXT_SR, 0x848f,
615 &mii_m88e1111s_setmode_sr},
616 /* Delay RGMII TX and RX */
617 {MIIM_88E1111_PHY_EXT_CR, 0x0cd2,
618 &mii_m88e1111s_setmode_cr},
619 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
620 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
621 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
622 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
625 (struct phy_cmd[]){ /* startup */
626 /* Status is read once to clear old link state */
627 {MIIM_STATUS, miim_read, NULL},
629 {MIIM_STATUS, miim_read, &mii_parse_sr},
630 /* Read the status */
631 {MIIM_88E1011_PHY_STATUS, miim_read,
632 &mii_parse_88E1011_psr},
635 (struct phy_cmd[]){ /* shutdown */
640 /* a generic flavor. */
641 static struct phy_info phy_info_generic = {
643 "Unknown/Generic PHY",
645 (struct phy_cmd[]){ /* config */
646 {MII_BMCR, BMCR_RESET, NULL},
647 {MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART, NULL},
650 (struct phy_cmd[]){ /* startup */
651 {MII_BMSR, miim_read, NULL},
652 {MII_BMSR, miim_read, &mii_parse_sr},
655 (struct phy_cmd[]){ /* shutdown */
660 static struct phy_info *phy_info[] = {
665 /* Grab the identifier of the device's PHY, and search through
666 * all of the known PHYs to see if one matches. If so, return
667 * it, if not, return NULL
669 static struct phy_info *get_phy_info(struct eth_device *dev)
671 struct altera_tse_priv *priv = (struct altera_tse_priv *)dev->priv;
672 uint phy_reg, phy_ID;
674 struct phy_info *theInfo = NULL;
676 /* Grab the bits from PHYIR1, and put them in the upper half */
677 phy_reg = tse_mdio_read(priv, MIIM_PHYIR1);
678 phy_ID = (phy_reg & 0xffff) << 16;
680 /* Grab the bits from PHYIR2, and put them in the lower half */
681 phy_reg = tse_mdio_read(priv, MIIM_PHYIR2);
682 phy_ID |= (phy_reg & 0xffff);
684 /* loop through all the known PHY types, and find one that */
685 /* matches the ID we read from the PHY. */
686 for (i = 0; phy_info[i]; i++) {
687 if (phy_info[i]->id == (phy_ID >> phy_info[i]->shift)) {
688 theInfo = phy_info[i];
693 if (theInfo == NULL) {
694 theInfo = &phy_info_generic;
695 debug("%s: No support for PHY id %x; assuming generic\n",
698 debug("%s: PHY is %s (%x)\n", dev->name, theInfo->name, phy_ID);
703 /* Execute the given series of commands on the given device's
704 * PHY, running functions as necessary
706 static void phy_run_commands(struct altera_tse_priv *priv, struct phy_cmd *cmd)
711 for (i = 0; cmd->mii_reg != miim_end; i++) {
712 if (cmd->mii_data == miim_read) {
713 result = tse_mdio_read(priv, cmd->mii_reg);
715 if (cmd->funct != NULL)
716 (*(cmd->funct)) (result, priv);
719 if (cmd->funct != NULL)
720 result = (*(cmd->funct)) (cmd->mii_reg, priv);
722 result = cmd->mii_data;
724 tse_mdio_write(priv, cmd->mii_reg, result);
732 static int init_phy(struct eth_device *dev)
734 struct altera_tse_priv *priv = (struct altera_tse_priv *)dev->priv;
735 struct phy_info *curphy;
737 /* Get the cmd structure corresponding to the attached
739 curphy = get_phy_info(dev);
741 if (curphy == NULL) {
742 priv->phyinfo = NULL;
743 debug("%s: No PHY found\n", dev->name);
747 debug("%s found\n", curphy->name);
748 priv->phyinfo = curphy;
750 phy_run_commands(priv, priv->phyinfo->config);
755 static int tse_set_mac_address(struct eth_device *dev)
757 struct altera_tse_priv *priv = dev->priv;
758 volatile struct alt_tse_mac *mac_dev = priv->mac_dev;
760 debug("Setting MAC address to 0x%02x%02x%02x%02x%02x%02x\n",
761 dev->enetaddr[5], dev->enetaddr[4],
762 dev->enetaddr[3], dev->enetaddr[2],
763 dev->enetaddr[1], dev->enetaddr[0]);
764 mac_dev->mac_addr_0 = ((dev->enetaddr[3]) << 24 |
765 (dev->enetaddr[2]) << 16 |
766 (dev->enetaddr[1]) << 8 | (dev->enetaddr[0]));
768 mac_dev->mac_addr_1 = ((dev->enetaddr[5] << 8 |
769 (dev->enetaddr[4])) & 0xFFFF);
771 /* Set the MAC address */
772 mac_dev->supp_mac_addr_0_0 = mac_dev->mac_addr_0;
773 mac_dev->supp_mac_addr_0_1 = mac_dev->mac_addr_1;
775 /* Set the MAC address */
776 mac_dev->supp_mac_addr_1_0 = mac_dev->mac_addr_0;
777 mac_dev->supp_mac_addr_1_1 = mac_dev->mac_addr_1;
779 /* Set the MAC address */
780 mac_dev->supp_mac_addr_2_0 = mac_dev->mac_addr_0;
781 mac_dev->supp_mac_addr_2_1 = mac_dev->mac_addr_1;
783 /* Set the MAC address */
784 mac_dev->supp_mac_addr_3_0 = mac_dev->mac_addr_0;
785 mac_dev->supp_mac_addr_3_1 = mac_dev->mac_addr_1;
789 static int tse_eth_init(struct eth_device *dev, bd_t * bd)
792 struct altera_tse_priv *priv = dev->priv;
793 volatile struct alt_tse_mac *mac_dev = priv->mac_dev;
794 volatile struct alt_sgdma_descriptor *tx_desc = priv->tx_desc;
795 volatile struct alt_sgdma_descriptor *rx_desc = priv->rx_desc;
796 volatile struct alt_sgdma_descriptor *rx_desc_cur =
797 (volatile struct alt_sgdma_descriptor *)&rx_desc[0];
799 /* stop controller */
800 debug("Reseting TSE & SGDMAs\n");
804 debug("Configuring PHY\n");
805 phy_run_commands(priv, priv->phyinfo->startup);
807 /* need to create sgdma */
808 debug("Configuring tx desc\n");
809 alt_sgdma_construct_descriptor_burst(
810 (volatile struct alt_sgdma_descriptor *)&tx_desc[0],
811 (volatile struct alt_sgdma_descriptor *)&tx_desc[1],
812 (unsigned int *)NULL, /* read addr */
814 0, /* length or EOP ,will change for each tx */
816 0x0, /* read fixed */
817 0x1, /* write fixed or sop */
818 0x0, /* read burst */
819 0x0, /* write burst */
822 debug("Configuring rx desc\n");
823 flush_dcache((unsigned long)(NetRxPackets[0]), PKTSIZE_ALIGN);
824 alt_sgdma_construct_descriptor_burst(
825 (volatile struct alt_sgdma_descriptor *)&rx_desc[0],
826 (volatile struct alt_sgdma_descriptor *)&rx_desc[1],
827 (unsigned int)0x0, /* read addr */
828 (unsigned int *)NetRxPackets[0],
829 0x0, /* length or EOP */
831 0x0, /* read fixed */
832 0x0, /* write fixed or sop */
833 0x0, /* read burst */
834 0x0, /* write burst */
837 /* start rx async transfer */
838 debug("Starting rx sgdma\n");
839 alt_sgdma_do_async_transfer(priv->sgdma_rx, rx_desc_cur);
842 debug("Configuring TSE Mac\n");
843 /* Initialize MAC registers */
844 mac_dev->max_frame_length = PKTSIZE_ALIGN;
845 mac_dev->rx_almost_empty_threshold = 8;
846 mac_dev->rx_almost_full_threshold = 8;
847 mac_dev->tx_almost_empty_threshold = 8;
848 mac_dev->tx_almost_full_threshold = 3;
849 mac_dev->tx_sel_empty_threshold =
850 CONFIG_SYS_ALTERA_TSE_TX_FIFO - 16;
851 mac_dev->tx_sel_full_threshold = 0;
852 mac_dev->rx_sel_empty_threshold =
853 CONFIG_SYS_ALTERA_TSE_TX_FIFO - 16;
854 mac_dev->rx_sel_full_threshold = 0;
857 mac_dev->rx_cmd_stat.bits.rx_shift16 = 0;
858 mac_dev->tx_cmd_stat.bits.tx_shift16 = 0;
862 dat = ALTERA_TSE_CMD_TX_ENA_MSK | ALTERA_TSE_CMD_RX_ENA_MSK;
864 mac_dev->command_config.image = dat;
866 /* configure the TSE core */
867 /* -- output clocks, */
868 /* -- and later config stuff for SGMII */
870 debug("Adjusting TSE to link speed\n");
871 tse_adjust_link(priv);
874 return priv->link ? 0 : -1;
878 int altera_tse_initialize(u8 dev_num, int mac_base,
879 int sgdma_rx_base, int sgdma_tx_base)
881 struct altera_tse_priv *priv;
882 struct eth_device *dev;
883 struct alt_sgdma_descriptor *rx_desc;
884 struct alt_sgdma_descriptor *tx_desc;
885 unsigned long dma_handle;
887 dev = (struct eth_device *)malloc(sizeof *dev);
892 memset(dev, 0, sizeof *dev);
894 priv = malloc(sizeof(*priv));
900 tx_desc = dma_alloc_coherent(sizeof(*tx_desc) * (3 + PKTBUFSRX),
902 rx_desc = tx_desc + 2;
903 debug("tx desc: address = 0x%x\n", (unsigned int)tx_desc);
904 debug("rx desc: address = 0x%x\n", (unsigned int)rx_desc);
911 memset(rx_desc, 0, (sizeof *rx_desc) * (PKTBUFSRX + 1));
912 memset(tx_desc, 0, (sizeof *tx_desc) * 2);
914 /* initialize tse priv */
915 priv->mac_dev = (volatile struct alt_tse_mac *)mac_base;
916 priv->sgdma_rx = (volatile struct alt_sgdma_registers *)sgdma_rx_base;
917 priv->sgdma_tx = (volatile struct alt_sgdma_registers *)sgdma_tx_base;
918 priv->phyaddr = CONFIG_SYS_ALTERA_TSE_PHY_ADDR;
919 priv->flags = CONFIG_SYS_ALTERA_TSE_FLAGS;
920 priv->rx_desc = rx_desc;
921 priv->tx_desc = tx_desc;
923 /* init eth structure */
925 dev->init = tse_eth_init;
926 dev->halt = tse_eth_halt;
927 dev->send = tse_eth_send;
928 dev->recv = tse_eth_rx;
929 dev->write_hwaddr = tse_set_mac_address;
930 sprintf(dev->name, "%s-%hu", "ALTERA_TSE", dev_num);
934 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) && !defined(BITBANGMII)
935 miiphy_register(dev->name, altera_tse_miiphy_read,
936 altera_tse_miiphy_write);