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c960b13e
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1/*
2 * Altera 10/100/1000 triple speed ethernet mac driver
3 *
4 * Copyright (C) 2008 Altera Corporation.
5 * Copyright (C) 2010 Thomas Chou <[email protected]>
6 *
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.
10 */
c960b13e 11#include <common.h>
1eb69ae4 12#include <cpu_func.h>
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13#include <dm.h>
14#include <errno.h>
15#include <fdt_support.h>
f7ae49fc 16#include <log.h>
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17#include <memalign.h>
18#include <miiphy.h>
c960b13e 19#include <net.h>
c960b13e 20#include <asm/cache.h>
401d1c4f 21#include <asm/global_data.h>
9d86b89c 22#include <linux/dma-mapping.h>
96fa1e43 23#include <asm/io.h>
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24#include "altera_tse.h"
25
96fa1e43 26DECLARE_GLOBAL_DATA_PTR;
c960b13e 27
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28static inline void alt_sgdma_construct_descriptor(
29 struct alt_sgdma_descriptor *desc,
30 struct alt_sgdma_descriptor *next,
31 void *read_addr,
32 void *write_addr,
2cd0a52e 33 u16 length_or_eop,
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34 int generate_eop,
35 int read_fixed,
96fa1e43 36 int write_fixed_or_sop)
c960b13e 37{
2cd0a52e 38 u8 val;
96fa1e43 39
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40 /*
41 * Mark the "next" descriptor as "not" owned by hardware. This prevents
96fa1e43 42 * The SGDMA controller from continuing to process the chain.
c960b13e 43 */
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44 next->descriptor_control = next->descriptor_control &
45 ~ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK;
c960b13e 46
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47 memset(desc, 0, sizeof(struct alt_sgdma_descriptor));
48 desc->source = virt_to_phys(read_addr);
49 desc->destination = virt_to_phys(write_addr);
50 desc->next = virt_to_phys(next);
51 desc->bytes_to_transfer = length_or_eop;
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52
53 /*
54 * Set the descriptor control block as follows:
55 * - Set "owned by hardware" bit
56 * - Optionally set "generate EOP" bit
57 * - Optionally set the "read from fixed address" bit
58 * - Optionally set the "write to fixed address bit (which serves
59 * serves as a "generate SOP" control bit in memory-to-stream mode).
60 * - Set the 4-bit atlantic channel, if specified
61 *
62 * Note this step is performed after all other descriptor information
63 * has been filled out so that, if the controller already happens to be
64 * pointing at this descriptor, it will not run (via the "owned by
65 * hardware" bit) until all other descriptor has been set up.
66 */
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67 val = ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK;
68 if (generate_eop)
69 val |= ALT_SGDMA_DESCRIPTOR_CONTROL_GENERATE_EOP_MSK;
70 if (read_fixed)
71 val |= ALT_SGDMA_DESCRIPTOR_CONTROL_READ_FIXED_ADDRESS_MSK;
72 if (write_fixed_or_sop)
73 val |= ALT_SGDMA_DESCRIPTOR_CONTROL_WRITE_FIXED_ADDRESS_MSK;
74 desc->descriptor_control = val;
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75}
76
96fa1e43 77static int alt_sgdma_wait_transfer(struct alt_sgdma_registers *regs)
c960b13e 78{
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79 int status;
80 ulong ctime;
c960b13e 81
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82 /* Wait for the descriptor (chain) to complete */
83 ctime = get_timer(0);
84 while (1) {
85 status = readl(&regs->status);
86 if (!(status & ALT_SGDMA_STATUS_BUSY_MSK))
87 break;
88 if (get_timer(ctime) > ALT_TSE_SGDMA_BUSY_TIMEOUT) {
89 status = -ETIMEDOUT;
90 debug("sgdma timeout\n");
c960b13e 91 break;
96fa1e43 92 }
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93 }
94
c960b13e 95 /* Clear Run */
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96 writel(0, &regs->control);
97 /* Clear status */
98 writel(0xff, &regs->status);
c960b13e 99
96fa1e43 100 return status;
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101}
102
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103static int alt_sgdma_start_transfer(struct alt_sgdma_registers *regs,
104 struct alt_sgdma_descriptor *desc)
c960b13e 105{
2cd0a52e 106 u32 val;
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107
108 /* Point the controller at the descriptor */
96fa1e43 109 writel(virt_to_phys(desc), &regs->next_descriptor_pointer);
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110
111 /*
112 * Set up SGDMA controller to:
113 * - Disable interrupt generation
114 * - Run once a valid descriptor is written to controller
115 * - Stop on an error with any particular descriptor
116 */
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117 val = ALT_SGDMA_CONTROL_RUN_MSK | ALT_SGDMA_CONTROL_STOP_DMA_ER_MSK;
118 writel(val, &regs->control);
c960b13e 119
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120 return 0;
121}
122
96fa1e43
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123static void tse_adjust_link(struct altera_tse_priv *priv,
124 struct phy_device *phydev)
c960b13e 125{
96fa1e43 126 struct alt_tse_mac *mac_dev = priv->mac_dev;
2cd0a52e 127 u32 refvar;
c960b13e 128
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129 if (!phydev->link) {
130 debug("%s: No link.\n", phydev->dev->name);
131 return;
132 }
133
134 refvar = readl(&mac_dev->command_config);
c960b13e 135
96fa1e43 136 if (phydev->duplex)
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137 refvar |= ALTERA_TSE_CMD_HD_ENA_MSK;
138 else
139 refvar &= ~ALTERA_TSE_CMD_HD_ENA_MSK;
140
96fa1e43 141 switch (phydev->speed) {
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142 case 1000:
143 refvar |= ALTERA_TSE_CMD_ETH_SPEED_MSK;
144 refvar &= ~ALTERA_TSE_CMD_ENA_10_MSK;
145 break;
146 case 100:
147 refvar &= ~ALTERA_TSE_CMD_ETH_SPEED_MSK;
148 refvar &= ~ALTERA_TSE_CMD_ENA_10_MSK;
149 break;
150 case 10:
151 refvar &= ~ALTERA_TSE_CMD_ETH_SPEED_MSK;
152 refvar |= ALTERA_TSE_CMD_ENA_10_MSK;
153 break;
154 }
96fa1e43 155 writel(refvar, &mac_dev->command_config);
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156}
157
38fa4aca 158static int altera_tse_send_sgdma(struct udevice *dev, void *packet, int length)
c960b13e 159{
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160 struct altera_tse_priv *priv = dev_get_priv(dev);
161 struct alt_sgdma_descriptor *tx_desc = priv->tx_desc;
96fa1e43 162
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163 alt_sgdma_construct_descriptor(
164 tx_desc,
165 tx_desc + 1,
166 packet, /* read addr */
167 NULL, /* write addr */
c960b13e 168 length, /* length or EOP ,will change for each tx */
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169 1, /* gen eop */
170 0, /* read fixed */
171 1 /* write fixed or sop */
c960b13e 172 );
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173
174 /* send the packet */
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175 alt_sgdma_start_transfer(priv->sgdma_tx, tx_desc);
176 alt_sgdma_wait_transfer(priv->sgdma_tx);
177 debug("sent %d bytes\n", tx_desc->actual_bytes_transferred);
178
179 return tx_desc->actual_bytes_transferred;
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180}
181
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182static int altera_tse_recv_sgdma(struct udevice *dev, int flags,
183 uchar **packetp)
c960b13e 184{
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185 struct altera_tse_priv *priv = dev_get_priv(dev);
186 struct alt_sgdma_descriptor *rx_desc = priv->rx_desc;
187 int packet_length;
c960b13e 188
96fa1e43 189 if (rx_desc->descriptor_status &
c960b13e 190 ALT_SGDMA_DESCRIPTOR_STATUS_TERMINATED_BY_EOP_MSK) {
577662f0 191 alt_sgdma_wait_transfer(priv->sgdma_rx);
c960b13e 192 packet_length = rx_desc->actual_bytes_transferred;
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193 debug("recv %d bytes\n", packet_length);
194 *packetp = priv->rx_buf;
70d52f9a
JF
195
196 return packet_length;
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197 }
198
96fa1e43 199 return -EAGAIN;
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200}
201
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202static int altera_tse_free_pkt_sgdma(struct udevice *dev, uchar *packet,
203 int length)
c960b13e 204{
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205 struct altera_tse_priv *priv = dev_get_priv(dev);
206 struct alt_sgdma_descriptor *rx_desc = priv->rx_desc;
96fa1e43 207
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208 alt_sgdma_construct_descriptor(
209 rx_desc,
210 rx_desc + 1,
211 NULL, /* read addr */
212 priv->rx_buf, /* write addr */
213 0, /* length or EOP */
214 0, /* gen eop */
215 0, /* read fixed */
216 0 /* write fixed or sop */
217 );
218
219 /* setup the sgdma */
220 alt_sgdma_start_transfer(priv->sgdma_rx, rx_desc);
221 debug("recv setup\n");
222
223 return 0;
c960b13e
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224}
225
acd71c32
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226static void altera_tse_stop_mac(struct altera_tse_priv *priv)
227{
228 struct alt_tse_mac *mac_dev = priv->mac_dev;
229 u32 status;
230 ulong ctime;
231
232 /* reset the mac */
233 writel(ALTERA_TSE_CMD_SW_RESET_MSK, &mac_dev->command_config);
234 ctime = get_timer(0);
235 while (1) {
236 status = readl(&mac_dev->command_config);
237 if (!(status & ALTERA_TSE_CMD_SW_RESET_MSK))
238 break;
239 if (get_timer(ctime) > ALT_TSE_SW_RESET_TIMEOUT) {
240 debug("Reset mac timeout\n");
241 break;
242 }
243 }
244}
245
38fa4aca 246static void altera_tse_stop_sgdma(struct udevice *dev)
c960b13e 247{
96fa1e43 248 struct altera_tse_priv *priv = dev_get_priv(dev);
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249 struct alt_sgdma_registers *rx_sgdma = priv->sgdma_rx;
250 struct alt_sgdma_registers *tx_sgdma = priv->sgdma_tx;
251 struct alt_sgdma_descriptor *rx_desc = priv->rx_desc;
96fa1e43 252 int ret;
c960b13e
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253
254 /* clear rx desc & wait for sgdma to complete */
255 rx_desc->descriptor_control = 0;
96fa1e43
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256 writel(0, &rx_sgdma->control);
257 ret = alt_sgdma_wait_transfer(rx_sgdma);
258 if (ret == -ETIMEDOUT)
259 writel(ALT_SGDMA_CONTROL_SOFTWARERESET_MSK,
260 &rx_sgdma->control);
261
262 writel(0, &tx_sgdma->control);
263 ret = alt_sgdma_wait_transfer(tx_sgdma);
264 if (ret == -ETIMEDOUT)
265 writel(ALT_SGDMA_CONTROL_SOFTWARERESET_MSK,
266 &tx_sgdma->control);
c960b13e
TC
267}
268
e3e87260
TC
269static void msgdma_reset(struct msgdma_csr *csr)
270{
271 u32 status;
272 ulong ctime;
273
274 /* Reset mSGDMA */
275 writel(MSGDMA_CSR_STAT_MASK, &csr->status);
276 writel(MSGDMA_CSR_CTL_RESET, &csr->control);
277 ctime = get_timer(0);
278 while (1) {
279 status = readl(&csr->status);
280 if (!(status & MSGDMA_CSR_STAT_RESETTING))
281 break;
282 if (get_timer(ctime) > ALT_TSE_SW_RESET_TIMEOUT) {
283 debug("Reset msgdma timeout\n");
284 break;
285 }
286 }
287 /* Clear status */
288 writel(MSGDMA_CSR_STAT_MASK, &csr->status);
289}
290
291static u32 msgdma_wait(struct msgdma_csr *csr)
292{
293 u32 status;
294 ulong ctime;
295
296 /* Wait for the descriptor to complete */
297 ctime = get_timer(0);
298 while (1) {
299 status = readl(&csr->status);
300 if (!(status & MSGDMA_CSR_STAT_BUSY))
301 break;
302 if (get_timer(ctime) > ALT_TSE_SGDMA_BUSY_TIMEOUT) {
303 debug("sgdma timeout\n");
304 break;
305 }
306 }
307 /* Clear status */
308 writel(MSGDMA_CSR_STAT_MASK, &csr->status);
309
310 return status;
311}
312
313static int altera_tse_send_msgdma(struct udevice *dev, void *packet,
314 int length)
315{
316 struct altera_tse_priv *priv = dev_get_priv(dev);
317 struct msgdma_extended_desc *desc = priv->tx_desc;
318 u32 tx_buf = virt_to_phys(packet);
319 u32 status;
320
321 writel(tx_buf, &desc->read_addr_lo);
322 writel(0, &desc->read_addr_hi);
323 writel(0, &desc->write_addr_lo);
324 writel(0, &desc->write_addr_hi);
325 writel(length, &desc->len);
326 writel(0, &desc->burst_seq_num);
327 writel(MSGDMA_DESC_TX_STRIDE, &desc->stride);
328 writel(MSGDMA_DESC_CTL_TX_SINGLE, &desc->control);
329 status = msgdma_wait(priv->sgdma_tx);
330 debug("sent %d bytes, status %08x\n", length, status);
331
332 return 0;
333}
334
335static int altera_tse_recv_msgdma(struct udevice *dev, int flags,
336 uchar **packetp)
337{
338 struct altera_tse_priv *priv = dev_get_priv(dev);
339 struct msgdma_csr *csr = priv->sgdma_rx;
340 struct msgdma_response *resp = priv->rx_resp;
341 u32 level, length, status;
342
343 level = readl(&csr->resp_fill_level);
344 if (level & 0xffff) {
345 length = readl(&resp->bytes_transferred);
346 status = readl(&resp->status);
347 debug("recv %d bytes, status %08x\n", length, status);
348 *packetp = priv->rx_buf;
349
350 return length;
351 }
352
353 return -EAGAIN;
354}
355
356static int altera_tse_free_pkt_msgdma(struct udevice *dev, uchar *packet,
357 int length)
358{
359 struct altera_tse_priv *priv = dev_get_priv(dev);
360 struct msgdma_extended_desc *desc = priv->rx_desc;
361 u32 rx_buf = virt_to_phys(priv->rx_buf);
362
363 writel(0, &desc->read_addr_lo);
364 writel(0, &desc->read_addr_hi);
365 writel(rx_buf, &desc->write_addr_lo);
366 writel(0, &desc->write_addr_hi);
367 writel(PKTSIZE_ALIGN, &desc->len);
368 writel(0, &desc->burst_seq_num);
369 writel(MSGDMA_DESC_RX_STRIDE, &desc->stride);
370 writel(MSGDMA_DESC_CTL_RX_SINGLE, &desc->control);
371 debug("recv setup\n");
372
373 return 0;
374}
375
376static void altera_tse_stop_msgdma(struct udevice *dev)
377{
378 struct altera_tse_priv *priv = dev_get_priv(dev);
379
380 msgdma_reset(priv->sgdma_rx);
381 msgdma_reset(priv->sgdma_tx);
382}
383
96fa1e43 384static int tse_mdio_read(struct mii_dev *bus, int addr, int devad, int reg)
c960b13e 385{
96fa1e43
TC
386 struct altera_tse_priv *priv = bus->priv;
387 struct alt_tse_mac *mac_dev = priv->mac_dev;
2cd0a52e 388 u32 value;
c960b13e
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389
390 /* set mdio address */
96fa1e43 391 writel(addr, &mac_dev->mdio_phy1_addr);
c960b13e 392 /* get the data */
96fa1e43 393 value = readl(&mac_dev->mdio_phy1[reg]);
c960b13e 394
96fa1e43 395 return value & 0xffff;
c960b13e
TC
396}
397
96fa1e43
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398static int tse_mdio_write(struct mii_dev *bus, int addr, int devad, int reg,
399 u16 val)
c960b13e 400{
96fa1e43
TC
401 struct altera_tse_priv *priv = bus->priv;
402 struct alt_tse_mac *mac_dev = priv->mac_dev;
c960b13e
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403
404 /* set mdio address */
96fa1e43
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405 writel(addr, &mac_dev->mdio_phy1_addr);
406 /* set the data */
407 writel(val, &mac_dev->mdio_phy1[reg]);
c960b13e
TC
408
409 return 0;
410}
411
96fa1e43 412static int tse_mdio_init(const char *name, struct altera_tse_priv *priv)
c960b13e 413{
96fa1e43 414 struct mii_dev *bus = mdio_alloc();
c960b13e 415
96fa1e43
TC
416 if (!bus) {
417 printf("Failed to allocate MDIO bus\n");
418 return -ENOMEM;
c960b13e
TC
419 }
420
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TC
421 bus->read = tse_mdio_read;
422 bus->write = tse_mdio_write;
192bc694 423 snprintf(bus->name, sizeof(bus->name), "%s", name);
c960b13e 424
96fa1e43 425 bus->priv = (void *)priv;
15eb1069 426
96fa1e43 427 return mdio_register(bus);
c960b13e
TC
428}
429
96fa1e43 430static int tse_phy_init(struct altera_tse_priv *priv, void *dev)
c960b13e 431{
96fa1e43
TC
432 struct phy_device *phydev;
433 unsigned int mask = 0xffffffff;
c960b13e 434
96fa1e43
TC
435 if (priv->phyaddr)
436 mask = 1 << priv->phyaddr;
c960b13e 437
96fa1e43
TC
438 phydev = phy_find_by_mask(priv->bus, mask, priv->interface);
439 if (!phydev)
440 return -ENODEV;
c960b13e 441
96fa1e43 442 phy_connect_dev(phydev, dev);
c960b13e 443
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TC
444 phydev->supported &= PHY_GBIT_FEATURES;
445 phydev->advertising = phydev->supported;
c960b13e 446
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TC
447 priv->phydev = phydev;
448 phy_config(phydev);
c960b13e 449
96fa1e43 450 return 0;
c960b13e
TC
451}
452
96fa1e43 453static int altera_tse_write_hwaddr(struct udevice *dev)
c960b13e 454{
96fa1e43
TC
455 struct altera_tse_priv *priv = dev_get_priv(dev);
456 struct alt_tse_mac *mac_dev = priv->mac_dev;
c69cda25 457 struct eth_pdata *pdata = dev_get_plat(dev);
96fa1e43 458 u8 *hwaddr = pdata->enetaddr;
2cd0a52e 459 u32 mac_lo, mac_hi;
96fa1e43
TC
460
461 mac_lo = (hwaddr[3] << 24) | (hwaddr[2] << 16) |
462 (hwaddr[1] << 8) | hwaddr[0];
463 mac_hi = (hwaddr[5] << 8) | hwaddr[4];
464 debug("Set MAC address to 0x%04x%08x\n", mac_hi, mac_lo);
465
466 writel(mac_lo, &mac_dev->mac_addr_0);
467 writel(mac_hi, &mac_dev->mac_addr_1);
468 writel(mac_lo, &mac_dev->supp_mac_addr_0_0);
469 writel(mac_hi, &mac_dev->supp_mac_addr_0_1);
470 writel(mac_lo, &mac_dev->supp_mac_addr_1_0);
471 writel(mac_hi, &mac_dev->supp_mac_addr_1_1);
472 writel(mac_lo, &mac_dev->supp_mac_addr_2_0);
473 writel(mac_hi, &mac_dev->supp_mac_addr_2_1);
474 writel(mac_lo, &mac_dev->supp_mac_addr_3_0);
475 writel(mac_hi, &mac_dev->supp_mac_addr_3_1);
c960b13e 476
6c7c4447
TC
477 return 0;
478}
479
38fa4aca
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480static int altera_tse_send(struct udevice *dev, void *packet, int length)
481{
482 struct altera_tse_priv *priv = dev_get_priv(dev);
483 unsigned long tx_buf = (unsigned long)packet;
484
485 flush_dcache_range(tx_buf, tx_buf + length);
486
487 return priv->ops->send(dev, packet, length);
488}
489
490static int altera_tse_recv(struct udevice *dev, int flags, uchar **packetp)
491{
492 struct altera_tse_priv *priv = dev_get_priv(dev);
493
494 return priv->ops->recv(dev, flags, packetp);
495}
496
497static int altera_tse_free_pkt(struct udevice *dev, uchar *packet,
498 int length)
499{
500 struct altera_tse_priv *priv = dev_get_priv(dev);
501 unsigned long rx_buf = (unsigned long)priv->rx_buf;
502
503 invalidate_dcache_range(rx_buf, rx_buf + PKTSIZE_ALIGN);
504
505 return priv->ops->free_pkt(dev, packet, length);
506}
507
508static void altera_tse_stop(struct udevice *dev)
509{
510 struct altera_tse_priv *priv = dev_get_priv(dev);
511
512 priv->ops->stop(dev);
513 altera_tse_stop_mac(priv);
514}
515
96fa1e43 516static int altera_tse_start(struct udevice *dev)
c960b13e 517{
96fa1e43
TC
518 struct altera_tse_priv *priv = dev_get_priv(dev);
519 struct alt_tse_mac *mac_dev = priv->mac_dev;
2cd0a52e 520 u32 val;
96fa1e43 521 int ret;
c960b13e
TC
522
523 /* need to create sgdma */
c960b13e 524 debug("Configuring rx desc\n");
96fa1e43 525 altera_tse_free_pkt(dev, priv->rx_buf, PKTSIZE_ALIGN);
c960b13e
TC
526 /* start TSE */
527 debug("Configuring TSE Mac\n");
528 /* Initialize MAC registers */
96fa1e43
TC
529 writel(PKTSIZE_ALIGN, &mac_dev->max_frame_length);
530 writel(priv->rx_fifo_depth - 16, &mac_dev->rx_sel_empty_threshold);
531 writel(0, &mac_dev->rx_sel_full_threshold);
532 writel(priv->tx_fifo_depth - 16, &mac_dev->tx_sel_empty_threshold);
533 writel(0, &mac_dev->tx_sel_full_threshold);
534 writel(8, &mac_dev->rx_almost_empty_threshold);
535 writel(8, &mac_dev->rx_almost_full_threshold);
536 writel(8, &mac_dev->tx_almost_empty_threshold);
537 writel(3, &mac_dev->tx_almost_full_threshold);
c960b13e
TC
538
539 /* NO Shift */
96fa1e43
TC
540 writel(0, &mac_dev->rx_cmd_stat);
541 writel(0, &mac_dev->tx_cmd_stat);
c960b13e
TC
542
543 /* enable MAC */
96fa1e43
TC
544 val = ALTERA_TSE_CMD_TX_ENA_MSK | ALTERA_TSE_CMD_RX_ENA_MSK;
545 writel(val, &mac_dev->command_config);
546
547 /* Start up the PHY */
548 ret = phy_startup(priv->phydev);
549 if (ret) {
550 debug("Could not initialize PHY %s\n",
551 priv->phydev->dev->name);
552 return ret;
553 }
c960b13e 554
96fa1e43 555 tse_adjust_link(priv, priv->phydev);
c960b13e 556
96fa1e43
TC
557 if (!priv->phydev->link)
558 return -EIO;
c960b13e 559
96fa1e43 560 return 0;
c960b13e
TC
561}
562
38fa4aca
TC
563static const struct tse_ops tse_sgdma_ops = {
564 .send = altera_tse_send_sgdma,
565 .recv = altera_tse_recv_sgdma,
566 .free_pkt = altera_tse_free_pkt_sgdma,
567 .stop = altera_tse_stop_sgdma,
568};
569
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570static const struct tse_ops tse_msgdma_ops = {
571 .send = altera_tse_send_msgdma,
572 .recv = altera_tse_recv_msgdma,
573 .free_pkt = altera_tse_free_pkt_msgdma,
574 .stop = altera_tse_stop_msgdma,
575};
576
96fa1e43 577static int altera_tse_probe(struct udevice *dev)
c960b13e 578{
c69cda25 579 struct eth_pdata *pdata = dev_get_plat(dev);
96fa1e43 580 struct altera_tse_priv *priv = dev_get_priv(dev);
75199d6f 581 void *blob = (void *)gd->fdt_blob;
e160f7d4 582 int node = dev_of_offset(dev);
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583 const char *list, *end;
584 const fdt32_t *cell;
585 void *base, *desc_mem = NULL;
586 unsigned long addr, size;
75199d6f 587 int parent, addrc, sizec;
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588 int len, idx;
589 int ret;
c960b13e 590
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591 priv->dma_type = dev_get_driver_data(dev);
592 if (priv->dma_type == ALT_SGDMA)
593 priv->ops = &tse_sgdma_ops;
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594 else
595 priv->ops = &tse_msgdma_ops;
96fa1e43 596 /*
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597 * decode regs. there are multiple reg tuples, and they need to
598 * match with reg-names.
96fa1e43 599 */
75199d6f 600 parent = fdt_parent_offset(blob, node);
eed36609 601 fdt_support_default_count_cells(blob, parent, &addrc, &sizec);
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602 list = fdt_getprop(blob, node, "reg-names", &len);
603 if (!list)
604 return -ENOENT;
605 end = list + len;
606 cell = fdt_getprop(blob, node, "reg", &len);
607 if (!cell)
608 return -ENOENT;
609 idx = 0;
610 while (list < end) {
611 addr = fdt_translate_address((void *)blob,
612 node, cell + idx);
75199d6f 613 size = fdt_addr_to_cpu(cell[idx + addrc]);
e2b259f7 614 base = map_physmem(addr, size, MAP_NOCACHE);
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615 len = strlen(list);
616 if (strcmp(list, "control_port") == 0)
617 priv->mac_dev = base;
618 else if (strcmp(list, "rx_csr") == 0)
619 priv->sgdma_rx = base;
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620 else if (strcmp(list, "rx_desc") == 0)
621 priv->rx_desc = base;
622 else if (strcmp(list, "rx_resp") == 0)
623 priv->rx_resp = base;
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624 else if (strcmp(list, "tx_csr") == 0)
625 priv->sgdma_tx = base;
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626 else if (strcmp(list, "tx_desc") == 0)
627 priv->tx_desc = base;
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628 else if (strcmp(list, "s1") == 0)
629 desc_mem = base;
75199d6f 630 idx += addrc + sizec;
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631 list += (len + 1);
632 }
633 /* decode fifo depth */
634 priv->rx_fifo_depth = fdtdec_get_int(blob, node,
635 "rx-fifo-depth", 0);
636 priv->tx_fifo_depth = fdtdec_get_int(blob, node,
637 "tx-fifo-depth", 0);
638 /* decode phy */
639 addr = fdtdec_get_int(blob, node,
640 "phy-handle", 0);
641 addr = fdt_node_offset_by_phandle(blob, addr);
642 priv->phyaddr = fdtdec_get_int(blob, addr,
643 "reg", 0);
644 /* init desc */
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645 if (priv->dma_type == ALT_SGDMA) {
646 len = sizeof(struct alt_sgdma_descriptor) * 4;
647 if (!desc_mem) {
648 desc_mem = dma_alloc_coherent(len, &addr);
649 if (!desc_mem)
650 return -ENOMEM;
651 }
652 memset(desc_mem, 0, len);
653 priv->tx_desc = desc_mem;
654 priv->rx_desc = priv->tx_desc +
655 2 * sizeof(struct alt_sgdma_descriptor);
96fa1e43 656 }
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657 /* allocate recv packet buffer */
658 priv->rx_buf = malloc_cache_aligned(PKTSIZE_ALIGN);
659 if (!priv->rx_buf)
660 return -ENOMEM;
c960b13e 661
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662 /* stop controller */
663 debug("Reset TSE & SGDMAs\n");
664 altera_tse_stop(dev);
c960b13e 665
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666 /* start the phy */
667 priv->interface = pdata->phy_interface;
668 tse_mdio_init(dev->name, priv);
669 priv->bus = miiphy_get_dev_by_name(dev->name);
c960b13e 670
96fa1e43 671 ret = tse_phy_init(priv, dev);
b962ac79 672
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673 return ret;
674}
c960b13e 675
d1998a9f 676static int altera_tse_of_to_plat(struct udevice *dev)
96fa1e43 677{
c69cda25 678 struct eth_pdata *pdata = dev_get_plat(dev);
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679 const char *phy_mode;
680
681 pdata->phy_interface = -1;
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682 phy_mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "phy-mode",
683 NULL);
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684 if (phy_mode)
685 pdata->phy_interface = phy_get_interface_by_name(phy_mode);
686 if (pdata->phy_interface == -1) {
687 debug("%s: Invalid PHY interface '%s'\n", __func__, phy_mode);
688 return -EINVAL;
c960b13e 689 }
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690
691 return 0;
c960b13e 692}
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693
694static const struct eth_ops altera_tse_ops = {
695 .start = altera_tse_start,
696 .send = altera_tse_send,
697 .recv = altera_tse_recv,
698 .free_pkt = altera_tse_free_pkt,
699 .stop = altera_tse_stop,
700 .write_hwaddr = altera_tse_write_hwaddr,
701};
702
703static const struct udevice_id altera_tse_ids[] = {
e3e87260 704 { .compatible = "altr,tse-msgdma-1.0", .data = ALT_MSGDMA },
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705 { .compatible = "altr,tse-1.0", .data = ALT_SGDMA },
706 {}
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707};
708
709U_BOOT_DRIVER(altera_tse) = {
710 .name = "altera_tse",
711 .id = UCLASS_ETH,
712 .of_match = altera_tse_ids,
713 .ops = &altera_tse_ops,
d1998a9f 714 .of_to_plat = altera_tse_of_to_plat,
caa4daa2 715 .plat_auto = sizeof(struct eth_pdata),
41575d8e 716 .priv_auto = sizeof(struct altera_tse_priv),
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717 .probe = altera_tse_probe,
718};
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