blob: e9138f03381da8928a41882128d8680f2a7aaa2f [file] [log] [blame]
wdenk9c53f402003-10-15 23:53:47 +00001/*
wdenka445ddf2004-06-09 00:34:46 +00002 * Freescale Three Speed Ethernet Controller driver
wdenk9c53f402003-10-15 23:53:47 +00003 *
4 * This software may be used and distributed according to the
5 * terms of the GNU Public License, Version 2, incorporated
6 * herein by reference.
7 *
Claudiu Manoilcd0c4122013-09-30 12:44:42 +03008 * Copyright 2004-2011, 2013 Freescale Semiconductor, Inc.
wdenk9c53f402003-10-15 23:53:47 +00009 * (C) Copyright 2003, Motorola, Inc.
wdenk9c53f402003-10-15 23:53:47 +000010 * author Andy Fleming
11 *
12 */
13
14#include <config.h>
wdenk9c53f402003-10-15 23:53:47 +000015#include <common.h>
16#include <malloc.h>
17#include <net.h>
18#include <command.h>
Andy Flemingc067fc12008-08-31 16:33:25 -050019#include <tsec.h>
Andy Fleming422effd2011-04-08 02:10:54 -050020#include <fsl_mdio.h>
Kim Phillipsae4dd972009-08-24 14:32:26 -050021#include <asm/errno.h>
chenhui zhaoc8caa8a2011-10-03 08:38:50 -050022#include <asm/processor.h>
wdenk9c53f402003-10-15 23:53:47 +000023
Wolfgang Denk6405a152006-03-31 18:32:53 +020024DECLARE_GLOBAL_DATA_PTR;
25
Marian Balakowiczaab8c492005-10-28 22:30:33 +020026#define TX_BUF_CNT 2
wdenk9c53f402003-10-15 23:53:47 +000027
Claudiu Manoilc739af42013-09-30 12:44:44 +030028static uint rx_idx; /* index of the current RX buffer */
29static uint tx_idx; /* index of the current TX buffer */
wdenk9c53f402003-10-15 23:53:47 +000030
wdenk9c53f402003-10-15 23:53:47 +000031#ifdef __GNUC__
Claudiu Manoileec416b2013-10-04 19:13:53 +030032static struct txbd8 __iomem txbd[TX_BUF_CNT] __aligned(8);
33static struct rxbd8 __iomem rxbd[PKTBUFSRX] __aligned(8);
34
wdenk9c53f402003-10-15 23:53:47 +000035#else
36#error "rtx must be 64-bit aligned"
37#endif
38
Joe Hershberger5d289fe2012-05-21 09:46:36 +000039static int tsec_send(struct eth_device *dev, void *packet, int length);
chenhui zhaoc8caa8a2011-10-03 08:38:50 -050040
Andy Flemingfecff2b2008-08-31 16:33:26 -050041/* Default initializations for TSEC controllers. */
42
43static struct tsec_info_struct tsec_info[] = {
44#ifdef CONFIG_TSEC1
45 STD_TSEC_INFO(1), /* TSEC1 */
46#endif
47#ifdef CONFIG_TSEC2
48 STD_TSEC_INFO(2), /* TSEC2 */
49#endif
50#ifdef CONFIG_MPC85XX_FEC
51 {
Claudiu Manoilcd0c4122013-09-30 12:44:42 +030052 .regs = TSEC_GET_REGS(2, 0x2000),
Andy Flemingfecff2b2008-08-31 16:33:26 -050053 .devname = CONFIG_MPC85XX_FEC_NAME,
54 .phyaddr = FEC_PHY_ADDR,
Andy Fleming422effd2011-04-08 02:10:54 -050055 .flags = FEC_FLAGS,
56 .mii_devname = DEFAULT_MII_NAME
Andy Flemingfecff2b2008-08-31 16:33:26 -050057 }, /* FEC */
58#endif
59#ifdef CONFIG_TSEC3
60 STD_TSEC_INFO(3), /* TSEC3 */
61#endif
62#ifdef CONFIG_TSEC4
63 STD_TSEC_INFO(4), /* TSEC4 */
64#endif
65};
66
Andy Flemingac65e072008-08-31 16:33:27 -050067#define TBIANA_SETTINGS ( \
68 TBIANA_ASYMMETRIC_PAUSE \
69 | TBIANA_SYMMETRIC_PAUSE \
70 | TBIANA_FULL_DUPLEX \
71 )
72
Felix Radensky27f98e02010-06-28 01:57:39 +030073/* By default force the TBI PHY into 1000Mbps full duplex when in SGMII mode */
74#ifndef CONFIG_TSEC_TBICR_SETTINGS
Kumar Galac1457f92010-12-01 22:55:54 -060075#define CONFIG_TSEC_TBICR_SETTINGS ( \
Andy Flemingac65e072008-08-31 16:33:27 -050076 TBICR_PHY_RESET \
Kumar Galac1457f92010-12-01 22:55:54 -060077 | TBICR_ANEG_ENABLE \
Andy Flemingac65e072008-08-31 16:33:27 -050078 | TBICR_FULL_DUPLEX \
79 | TBICR_SPEED1_SET \
80 )
Felix Radensky27f98e02010-06-28 01:57:39 +030081#endif /* CONFIG_TSEC_TBICR_SETTINGS */
Peter Tyser583c1f42009-11-03 17:52:07 -060082
Andy Flemingac65e072008-08-31 16:33:27 -050083/* Configure the TBI for SGMII operation */
84static void tsec_configure_serdes(struct tsec_private *priv)
85{
Peter Tyser4ef03c02009-11-09 13:09:46 -060086 /* Access TBI PHY registers at given TSEC register offset as opposed
87 * to the register offset used for external PHY accesses */
Andy Fleming422effd2011-04-08 02:10:54 -050088 tsec_local_mdio_write(priv->phyregs_sgmii, in_be32(&priv->regs->tbipa),
89 0, TBI_ANA, TBIANA_SETTINGS);
90 tsec_local_mdio_write(priv->phyregs_sgmii, in_be32(&priv->regs->tbipa),
91 0, TBI_TBICON, TBICON_CLK_SELECT);
92 tsec_local_mdio_write(priv->phyregs_sgmii, in_be32(&priv->regs->tbipa),
93 0, TBI_CR, CONFIG_TSEC_TBICR_SETTINGS);
David Updegraff0451b012007-04-20 14:34:48 -050094}
95
Mingkai Hue0653bf2011-01-27 12:52:46 +080096#ifdef CONFIG_MCAST_TFTP
97
98/* CREDITS: linux gianfar driver, slightly adjusted... thanx. */
99
100/* Set the appropriate hash bit for the given addr */
101
102/* The algorithm works like so:
103 * 1) Take the Destination Address (ie the multicast address), and
104 * do a CRC on it (little endian), and reverse the bits of the
105 * result.
106 * 2) Use the 8 most significant bits as a hash into a 256-entry
107 * table. The table is controlled through 8 32-bit registers:
Claudiu Manoil461511b2013-09-30 12:44:40 +0300108 * gaddr0-7. gaddr0's MSB is entry 0, and gaddr7's LSB is entry
109 * 255. This means that the 3 most significant bits in the
Mingkai Hue0653bf2011-01-27 12:52:46 +0800110 * hash index which gaddr register to use, and the 5 other bits
111 * indicate which bit (assuming an IBM numbering scheme, which
Claudiu Manoil461511b2013-09-30 12:44:40 +0300112 * for PowerPC (tm) is usually the case) in the register holds
Mingkai Hue0653bf2011-01-27 12:52:46 +0800113 * the entry. */
114static int
Claudiu Manoil5c473572013-09-30 12:44:39 +0300115tsec_mcast_addr(struct eth_device *dev, const u8 *mcast_mac, u8 set)
Mingkai Hue0653bf2011-01-27 12:52:46 +0800116{
Claudiu Manoil766c8942013-09-30 12:44:41 +0300117 struct tsec_private *priv = (struct tsec_private *)dev->priv;
Claudiu Manoil461511b2013-09-30 12:44:40 +0300118 struct tsec __iomem *regs = priv->regs;
119 u32 result, value;
120 u8 whichbit, whichreg;
Mingkai Hue0653bf2011-01-27 12:52:46 +0800121
Claudiu Manoil461511b2013-09-30 12:44:40 +0300122 result = ether_crc(MAC_ADDR_LEN, mcast_mac);
123 whichbit = (result >> 24) & 0x1f; /* the 5 LSB = which bit to set */
124 whichreg = result >> 29; /* the 3 MSB = which reg to set it in */
Mingkai Hue0653bf2011-01-27 12:52:46 +0800125
Claudiu Manoil461511b2013-09-30 12:44:40 +0300126 value = 1 << (31-whichbit);
127
128 if (set)
129 setbits_be32(&regs->hash.gaddr0 + whichreg, value);
130 else
131 clrbits_be32(&regs->hash.gaddr0 + whichreg, value);
Mingkai Hue0653bf2011-01-27 12:52:46 +0800132
Mingkai Hue0653bf2011-01-27 12:52:46 +0800133 return 0;
134}
135#endif /* Multicast TFTP ? */
136
137/* Initialized required registers to appropriate values, zeroing
138 * those we don't care about (unless zero is bad, in which case,
139 * choose a more appropriate value)
140 */
Claudiu Manoilcd0c4122013-09-30 12:44:42 +0300141static void init_registers(struct tsec __iomem *regs)
Mingkai Hue0653bf2011-01-27 12:52:46 +0800142{
143 /* Clear IEVENT */
144 out_be32(&regs->ievent, IEVENT_INIT_CLEAR);
145
146 out_be32(&regs->imask, IMASK_INIT_CLEAR);
147
148 out_be32(&regs->hash.iaddr0, 0);
149 out_be32(&regs->hash.iaddr1, 0);
150 out_be32(&regs->hash.iaddr2, 0);
151 out_be32(&regs->hash.iaddr3, 0);
152 out_be32(&regs->hash.iaddr4, 0);
153 out_be32(&regs->hash.iaddr5, 0);
154 out_be32(&regs->hash.iaddr6, 0);
155 out_be32(&regs->hash.iaddr7, 0);
156
157 out_be32(&regs->hash.gaddr0, 0);
158 out_be32(&regs->hash.gaddr1, 0);
159 out_be32(&regs->hash.gaddr2, 0);
160 out_be32(&regs->hash.gaddr3, 0);
161 out_be32(&regs->hash.gaddr4, 0);
162 out_be32(&regs->hash.gaddr5, 0);
163 out_be32(&regs->hash.gaddr6, 0);
164 out_be32(&regs->hash.gaddr7, 0);
165
166 out_be32(&regs->rctrl, 0x00000000);
167
168 /* Init RMON mib registers */
Claudiu Manoila18ab902013-09-30 12:44:46 +0300169 memset((void *)&regs->rmon, 0, sizeof(regs->rmon));
Mingkai Hue0653bf2011-01-27 12:52:46 +0800170
171 out_be32(&regs->rmon.cam1, 0xffffffff);
172 out_be32(&regs->rmon.cam2, 0xffffffff);
173
174 out_be32(&regs->mrblr, MRBLR_INIT_SETTINGS);
175
176 out_be32(&regs->minflr, MINFLR_INIT_SETTINGS);
177
178 out_be32(&regs->attr, ATTR_INIT_SETTINGS);
179 out_be32(&regs->attreli, ATTRELI_INIT_SETTINGS);
180
181}
182
183/* Configure maccfg2 based on negotiated speed and duplex
184 * reported by PHY handling code
185 */
Andy Fleming422effd2011-04-08 02:10:54 -0500186static void adjust_link(struct tsec_private *priv, struct phy_device *phydev)
Mingkai Hue0653bf2011-01-27 12:52:46 +0800187{
Claudiu Manoilcd0c4122013-09-30 12:44:42 +0300188 struct tsec __iomem *regs = priv->regs;
Mingkai Hue0653bf2011-01-27 12:52:46 +0800189 u32 ecntrl, maccfg2;
190
Andy Fleming422effd2011-04-08 02:10:54 -0500191 if (!phydev->link) {
192 printf("%s: No link.\n", phydev->dev->name);
Mingkai Hue0653bf2011-01-27 12:52:46 +0800193 return;
194 }
195
196 /* clear all bits relative with interface mode */
197 ecntrl = in_be32(&regs->ecntrl);
198 ecntrl &= ~ECNTRL_R100;
199
200 maccfg2 = in_be32(&regs->maccfg2);
201 maccfg2 &= ~(MACCFG2_IF | MACCFG2_FULL_DUPLEX);
202
Andy Fleming422effd2011-04-08 02:10:54 -0500203 if (phydev->duplex)
Mingkai Hue0653bf2011-01-27 12:52:46 +0800204 maccfg2 |= MACCFG2_FULL_DUPLEX;
205
Andy Fleming422effd2011-04-08 02:10:54 -0500206 switch (phydev->speed) {
Mingkai Hue0653bf2011-01-27 12:52:46 +0800207 case 1000:
208 maccfg2 |= MACCFG2_GMII;
209 break;
210 case 100:
211 case 10:
212 maccfg2 |= MACCFG2_MII;
213
214 /* Set R100 bit in all modes although
215 * it is only used in RGMII mode
216 */
Andy Fleming422effd2011-04-08 02:10:54 -0500217 if (phydev->speed == 100)
Mingkai Hue0653bf2011-01-27 12:52:46 +0800218 ecntrl |= ECNTRL_R100;
219 break;
220 default:
Andy Fleming422effd2011-04-08 02:10:54 -0500221 printf("%s: Speed was bad\n", phydev->dev->name);
Mingkai Hue0653bf2011-01-27 12:52:46 +0800222 break;
223 }
224
225 out_be32(&regs->ecntrl, ecntrl);
226 out_be32(&regs->maccfg2, maccfg2);
wdenkf41ff3b2005-04-04 23:43:44 +0000227
Andy Fleming422effd2011-04-08 02:10:54 -0500228 printf("Speed: %d, %s duplex%s\n", phydev->speed,
229 (phydev->duplex) ? "full" : "half",
230 (phydev->port == PORT_FIBRE) ? ", fiber mode" : "");
Mingkai Hue0653bf2011-01-27 12:52:46 +0800231}
wdenkbfad55d2005-03-14 23:56:42 +0000232
chenhui zhaoc8caa8a2011-10-03 08:38:50 -0500233#ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129
234/*
235 * When MACCFG1[Rx_EN] is enabled during system boot as part
236 * of the eTSEC port initialization sequence,
237 * the eTSEC Rx logic may not be properly initialized.
238 */
239void redundant_init(struct eth_device *dev)
240{
241 struct tsec_private *priv = dev->priv;
Claudiu Manoilcd0c4122013-09-30 12:44:42 +0300242 struct tsec __iomem *regs = priv->regs;
chenhui zhaoc8caa8a2011-10-03 08:38:50 -0500243 uint t, count = 0;
244 int fail = 1;
245 static const u8 pkt[] = {
246 0x00, 0x1e, 0x4f, 0x12, 0xcb, 0x2c, 0x00, 0x25,
247 0x64, 0xbb, 0xd1, 0xab, 0x08, 0x00, 0x45, 0x00,
248 0x00, 0x5c, 0xdd, 0x22, 0x00, 0x00, 0x80, 0x01,
249 0x1f, 0x71, 0x0a, 0xc1, 0x14, 0x22, 0x0a, 0xc1,
250 0x14, 0x6a, 0x08, 0x00, 0xef, 0x7e, 0x02, 0x00,
251 0x94, 0x05, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66,
252 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e,
253 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76,
254 0x77, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
255 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
256 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
257 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
258 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70,
259 0x71, 0x72};
260
261 /* Enable promiscuous mode */
262 setbits_be32(&regs->rctrl, 0x8);
263 /* Enable loopback mode */
264 setbits_be32(&regs->maccfg1, MACCFG1_LOOPBACK);
265 /* Enable transmit and receive */
266 setbits_be32(&regs->maccfg1, MACCFG1_RX_EN | MACCFG1_TX_EN);
267
268 /* Tell the DMA it is clear to go */
269 setbits_be32(&regs->dmactrl, DMACTRL_INIT_SETTINGS);
270 out_be32(&regs->tstat, TSTAT_CLEAR_THALT);
271 out_be32(&regs->rstat, RSTAT_CLEAR_RHALT);
272 clrbits_be32(&regs->dmactrl, DMACTRL_GRS | DMACTRL_GTS);
273
274 do {
Claudiu Manoileec416b2013-10-04 19:13:53 +0300275 uint16_t status;
chenhui zhaoc8caa8a2011-10-03 08:38:50 -0500276 tsec_send(dev, (void *)pkt, sizeof(pkt));
277
278 /* Wait for buffer to be received */
Claudiu Manoileec416b2013-10-04 19:13:53 +0300279 for (t = 0; in_be16(&rxbd[rx_idx].status) & RXBD_EMPTY; t++) {
chenhui zhaoc8caa8a2011-10-03 08:38:50 -0500280 if (t >= 10 * TOUT_LOOP) {
281 printf("%s: tsec: rx error\n", dev->name);
282 break;
283 }
284 }
285
Claudiu Manoilc739af42013-09-30 12:44:44 +0300286 if (!memcmp(pkt, (void *)NetRxPackets[rx_idx], sizeof(pkt)))
chenhui zhaoc8caa8a2011-10-03 08:38:50 -0500287 fail = 0;
288
Claudiu Manoileec416b2013-10-04 19:13:53 +0300289 out_be16(&rxbd[rx_idx].length, 0);
290 status = RXBD_EMPTY;
291 if ((rx_idx + 1) == PKTBUFSRX)
292 status |= RXBD_WRAP;
293 out_be16(&rxbd[rx_idx].status, status);
Claudiu Manoilc739af42013-09-30 12:44:44 +0300294 rx_idx = (rx_idx + 1) % PKTBUFSRX;
chenhui zhaoc8caa8a2011-10-03 08:38:50 -0500295
296 if (in_be32(&regs->ievent) & IEVENT_BSY) {
297 out_be32(&regs->ievent, IEVENT_BSY);
298 out_be32(&regs->rstat, RSTAT_CLEAR_RHALT);
299 }
300 if (fail) {
301 printf("loopback recv packet error!\n");
302 clrbits_be32(&regs->maccfg1, MACCFG1_RX_EN);
303 udelay(1000);
304 setbits_be32(&regs->maccfg1, MACCFG1_RX_EN);
305 }
306 } while ((count++ < 4) && (fail == 1));
307
308 if (fail)
309 panic("eTSEC init fail!\n");
310 /* Disable promiscuous mode */
311 clrbits_be32(&regs->rctrl, 0x8);
312 /* Disable loopback mode */
313 clrbits_be32(&regs->maccfg1, MACCFG1_LOOPBACK);
314}
315#endif
316
Mingkai Hue0653bf2011-01-27 12:52:46 +0800317/* Set up the buffers and their descriptors, and bring up the
318 * interface
Jon Loeligerb7ced082006-10-10 17:03:43 -0500319 */
Mingkai Hue0653bf2011-01-27 12:52:46 +0800320static void startup_tsec(struct eth_device *dev)
Wolfgang Denkf0c4e462006-03-12 22:50:55 +0100321{
Mingkai Hue0653bf2011-01-27 12:52:46 +0800322 struct tsec_private *priv = (struct tsec_private *)dev->priv;
Claudiu Manoilcd0c4122013-09-30 12:44:42 +0300323 struct tsec __iomem *regs = priv->regs;
Claudiu Manoileec416b2013-10-04 19:13:53 +0300324 uint16_t status;
325 int i;
Wolfgang Denkf0c4e462006-03-12 22:50:55 +0100326
Andy Fleming422effd2011-04-08 02:10:54 -0500327 /* reset the indices to zero */
Claudiu Manoilc739af42013-09-30 12:44:44 +0300328 rx_idx = 0;
329 tx_idx = 0;
chenhui zhaoc8caa8a2011-10-03 08:38:50 -0500330#ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129
331 uint svr;
332#endif
Andy Fleming422effd2011-04-08 02:10:54 -0500333
Mingkai Hue0653bf2011-01-27 12:52:46 +0800334 /* Point to the buffer descriptors */
Claudiu Manoileec416b2013-10-04 19:13:53 +0300335 out_be32(&regs->tbase, (u32)&txbd[0]);
336 out_be32(&regs->rbase, (u32)&rxbd[0]);
Wolfgang Denkf0c4e462006-03-12 22:50:55 +0100337
Mingkai Hue0653bf2011-01-27 12:52:46 +0800338 /* Initialize the Rx Buffer descriptors */
339 for (i = 0; i < PKTBUFSRX; i++) {
Claudiu Manoileec416b2013-10-04 19:13:53 +0300340 out_be16(&rxbd[i].status, RXBD_EMPTY);
341 out_be16(&rxbd[i].length, 0);
342 out_be32(&rxbd[i].bufptr, (u32)NetRxPackets[i]);
Mingkai Hue0653bf2011-01-27 12:52:46 +0800343 }
Claudiu Manoileec416b2013-10-04 19:13:53 +0300344 status = in_be16(&rxbd[PKTBUFSRX - 1].status);
345 out_be16(&rxbd[PKTBUFSRX - 1].status, status | RXBD_WRAP);
Wolfgang Denkf0c4e462006-03-12 22:50:55 +0100346
Mingkai Hue0653bf2011-01-27 12:52:46 +0800347 /* Initialize the TX Buffer Descriptors */
348 for (i = 0; i < TX_BUF_CNT; i++) {
Claudiu Manoileec416b2013-10-04 19:13:53 +0300349 out_be16(&txbd[i].status, 0);
350 out_be16(&txbd[i].length, 0);
351 out_be32(&txbd[i].bufptr, 0);
Wolfgang Denkf0c4e462006-03-12 22:50:55 +0100352 }
Claudiu Manoileec416b2013-10-04 19:13:53 +0300353 status = in_be16(&txbd[TX_BUF_CNT - 1].status);
354 out_be16(&txbd[TX_BUF_CNT - 1].status, status | TXBD_WRAP);
Wolfgang Denkf0c4e462006-03-12 22:50:55 +0100355
chenhui zhaoc8caa8a2011-10-03 08:38:50 -0500356#ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129
357 svr = get_svr();
358 if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0))
359 redundant_init(dev);
360#endif
Mingkai Hue0653bf2011-01-27 12:52:46 +0800361 /* Enable Transmit and Receive */
362 setbits_be32(&regs->maccfg1, MACCFG1_RX_EN | MACCFG1_TX_EN);
363
364 /* Tell the DMA it is clear to go */
365 setbits_be32(&regs->dmactrl, DMACTRL_INIT_SETTINGS);
366 out_be32(&regs->tstat, TSTAT_CLEAR_THALT);
367 out_be32(&regs->rstat, RSTAT_CLEAR_RHALT);
368 clrbits_be32(&regs->dmactrl, DMACTRL_GRS | DMACTRL_GTS);
Wolfgang Denkf0c4e462006-03-12 22:50:55 +0100369}
370
Mingkai Hue0653bf2011-01-27 12:52:46 +0800371/* This returns the status bits of the device. The return value
372 * is never checked, and this is what the 8260 driver did, so we
373 * do the same. Presumably, this would be zero if there were no
374 * errors
375 */
Joe Hershberger5d289fe2012-05-21 09:46:36 +0000376static int tsec_send(struct eth_device *dev, void *packet, int length)
Mingkai Hue0653bf2011-01-27 12:52:46 +0800377{
Mingkai Hue0653bf2011-01-27 12:52:46 +0800378 struct tsec_private *priv = (struct tsec_private *)dev->priv;
Claudiu Manoilcd0c4122013-09-30 12:44:42 +0300379 struct tsec __iomem *regs = priv->regs;
Claudiu Manoileec416b2013-10-04 19:13:53 +0300380 uint16_t status;
381 int result = 0;
382 int i;
Wolfgang Denkf0c4e462006-03-12 22:50:55 +0100383
Mingkai Hue0653bf2011-01-27 12:52:46 +0800384 /* Find an empty buffer descriptor */
Claudiu Manoileec416b2013-10-04 19:13:53 +0300385 for (i = 0; in_be16(&txbd[tx_idx].status) & TXBD_READY; i++) {
Mingkai Hue0653bf2011-01-27 12:52:46 +0800386 if (i >= TOUT_LOOP) {
387 debug("%s: tsec: tx buffers full\n", dev->name);
388 return result;
389 }
390 }
Dave Liua304a282008-01-11 18:45:28 +0800391
Claudiu Manoileec416b2013-10-04 19:13:53 +0300392 out_be32(&txbd[tx_idx].bufptr, (u32)packet);
393 out_be16(&txbd[tx_idx].length, length);
394 status = in_be16(&txbd[tx_idx].status);
395 out_be16(&txbd[tx_idx].status, status |
396 (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT));
Li Yang25e38bd2011-01-27 19:02:50 +0800397
Mingkai Hue0653bf2011-01-27 12:52:46 +0800398 /* Tell the DMA to go */
399 out_be32(&regs->tstat, TSTAT_CLEAR_THALT);
wdenka445ddf2004-06-09 00:34:46 +0000400
Mingkai Hue0653bf2011-01-27 12:52:46 +0800401 /* Wait for buffer to be transmitted */
Claudiu Manoileec416b2013-10-04 19:13:53 +0300402 for (i = 0; in_be16(&txbd[tx_idx].status) & TXBD_READY; i++) {
Mingkai Hue0653bf2011-01-27 12:52:46 +0800403 if (i >= TOUT_LOOP) {
404 debug("%s: tsec: tx error\n", dev->name);
405 return result;
406 }
407 }
408
Claudiu Manoilc739af42013-09-30 12:44:44 +0300409 tx_idx = (tx_idx + 1) % TX_BUF_CNT;
Claudiu Manoileec416b2013-10-04 19:13:53 +0300410 result = in_be16(&txbd[tx_idx].status) & TXBD_STATS;
Mingkai Hue0653bf2011-01-27 12:52:46 +0800411
412 return result;
413}
414
415static int tsec_recv(struct eth_device *dev)
wdenka445ddf2004-06-09 00:34:46 +0000416{
417 struct tsec_private *priv = (struct tsec_private *)dev->priv;
Claudiu Manoilcd0c4122013-09-30 12:44:42 +0300418 struct tsec __iomem *regs = priv->regs;
wdenka445ddf2004-06-09 00:34:46 +0000419
Claudiu Manoileec416b2013-10-04 19:13:53 +0300420 while (!(in_be16(&rxbd[rx_idx].status) & RXBD_EMPTY)) {
421 int length = in_be16(&rxbd[rx_idx].length);
422 uint16_t status = in_be16(&rxbd[rx_idx].status);
wdenka445ddf2004-06-09 00:34:46 +0000423
Mingkai Hue0653bf2011-01-27 12:52:46 +0800424 /* Send the packet up if there were no errors */
Claudiu Manoileec416b2013-10-04 19:13:53 +0300425 if (!(status & RXBD_STATS))
Claudiu Manoilc739af42013-09-30 12:44:44 +0300426 NetReceive(NetRxPackets[rx_idx], length - 4);
Claudiu Manoileec416b2013-10-04 19:13:53 +0300427 else
428 printf("Got error %x\n", (status & RXBD_STATS));
Mingkai Hue0653bf2011-01-27 12:52:46 +0800429
Claudiu Manoileec416b2013-10-04 19:13:53 +0300430 out_be16(&rxbd[rx_idx].length, 0);
Mingkai Hue0653bf2011-01-27 12:52:46 +0800431
Claudiu Manoileec416b2013-10-04 19:13:53 +0300432 status = RXBD_EMPTY;
Mingkai Hue0653bf2011-01-27 12:52:46 +0800433 /* Set the wrap bit if this is the last element in the list */
Claudiu Manoileec416b2013-10-04 19:13:53 +0300434 if ((rx_idx + 1) == PKTBUFSRX)
435 status |= RXBD_WRAP;
436 out_be16(&rxbd[rx_idx].status, status);
Mingkai Hue0653bf2011-01-27 12:52:46 +0800437
Claudiu Manoilc739af42013-09-30 12:44:44 +0300438 rx_idx = (rx_idx + 1) % PKTBUFSRX;
wdenka445ddf2004-06-09 00:34:46 +0000439 }
440
Mingkai Hue0653bf2011-01-27 12:52:46 +0800441 if (in_be32(&regs->ievent) & IEVENT_BSY) {
442 out_be32(&regs->ievent, IEVENT_BSY);
443 out_be32(&regs->rstat, RSTAT_CLEAR_RHALT);
wdenka445ddf2004-06-09 00:34:46 +0000444 }
445
Mingkai Hue0653bf2011-01-27 12:52:46 +0800446 return -1;
447
wdenka445ddf2004-06-09 00:34:46 +0000448}
449
Mingkai Hue0653bf2011-01-27 12:52:46 +0800450/* Stop the interface */
451static void tsec_halt(struct eth_device *dev)
452{
453 struct tsec_private *priv = (struct tsec_private *)dev->priv;
Claudiu Manoilcd0c4122013-09-30 12:44:42 +0300454 struct tsec __iomem *regs = priv->regs;
Mingkai Hue0653bf2011-01-27 12:52:46 +0800455
456 clrbits_be32(&regs->dmactrl, DMACTRL_GRS | DMACTRL_GTS);
457 setbits_be32(&regs->dmactrl, DMACTRL_GRS | DMACTRL_GTS);
458
459 while ((in_be32(&regs->ievent) & (IEVENT_GRSC | IEVENT_GTSC))
460 != (IEVENT_GRSC | IEVENT_GTSC))
461 ;
462
463 clrbits_be32(&regs->maccfg1, MACCFG1_TX_EN | MACCFG1_RX_EN);
464
465 /* Shut down the PHY, as needed */
Andy Fleming422effd2011-04-08 02:10:54 -0500466 phy_shutdown(priv->phydev);
Mingkai Hue0653bf2011-01-27 12:52:46 +0800467}
468
469/* Initializes data structures and registers for the controller,
470 * and brings the interface up. Returns the link status, meaning
471 * that it returns success if the link is up, failure otherwise.
472 * This allows u-boot to find the first active controller.
Jon Loeligerb7ced082006-10-10 17:03:43 -0500473 */
Mingkai Hue0653bf2011-01-27 12:52:46 +0800474static int tsec_init(struct eth_device *dev, bd_t * bd)
wdenka445ddf2004-06-09 00:34:46 +0000475{
Mingkai Hue0653bf2011-01-27 12:52:46 +0800476 struct tsec_private *priv = (struct tsec_private *)dev->priv;
Claudiu Manoilcd0c4122013-09-30 12:44:42 +0300477 struct tsec __iomem *regs = priv->regs;
Claudiu Manoildcb38fe2013-09-30 12:44:47 +0300478 u32 tempval;
Timur Tabi42387462012-07-09 08:52:43 +0000479 int ret;
wdenka445ddf2004-06-09 00:34:46 +0000480
Mingkai Hue0653bf2011-01-27 12:52:46 +0800481 /* Make sure the controller is stopped */
482 tsec_halt(dev);
wdenka445ddf2004-06-09 00:34:46 +0000483
Mingkai Hue0653bf2011-01-27 12:52:46 +0800484 /* Init MACCFG2. Defaults to GMII */
485 out_be32(&regs->maccfg2, MACCFG2_INIT_SETTINGS);
wdenka445ddf2004-06-09 00:34:46 +0000486
Mingkai Hue0653bf2011-01-27 12:52:46 +0800487 /* Init ECNTRL */
488 out_be32(&regs->ecntrl, ECNTRL_INIT_SETTINGS);
wdenka445ddf2004-06-09 00:34:46 +0000489
Mingkai Hue0653bf2011-01-27 12:52:46 +0800490 /* Copy the station address into the address registers.
Claudiu Manoildcb38fe2013-09-30 12:44:47 +0300491 * For a station address of 0x12345678ABCD in transmission
492 * order (BE), MACnADDR1 is set to 0xCDAB7856 and
493 * MACnADDR2 is set to 0x34120000.
494 */
495 tempval = (dev->enetaddr[5] << 24) | (dev->enetaddr[4] << 16) |
496 (dev->enetaddr[3] << 8) | dev->enetaddr[2];
wdenka445ddf2004-06-09 00:34:46 +0000497
Mingkai Hue0653bf2011-01-27 12:52:46 +0800498 out_be32(&regs->macstnaddr1, tempval);
wdenka445ddf2004-06-09 00:34:46 +0000499
Claudiu Manoildcb38fe2013-09-30 12:44:47 +0300500 tempval = (dev->enetaddr[1] << 24) | (dev->enetaddr[0] << 16);
wdenka445ddf2004-06-09 00:34:46 +0000501
Mingkai Hue0653bf2011-01-27 12:52:46 +0800502 out_be32(&regs->macstnaddr2, tempval);
wdenka445ddf2004-06-09 00:34:46 +0000503
Mingkai Hue0653bf2011-01-27 12:52:46 +0800504 /* Clear out (for the most part) the other registers */
505 init_registers(regs);
506
507 /* Ready the device for tx/rx */
508 startup_tsec(dev);
509
Andy Fleming422effd2011-04-08 02:10:54 -0500510 /* Start up the PHY */
Timur Tabi42387462012-07-09 08:52:43 +0000511 ret = phy_startup(priv->phydev);
512 if (ret) {
513 printf("Could not initialize PHY %s\n",
514 priv->phydev->dev->name);
515 return ret;
516 }
Andy Fleming422effd2011-04-08 02:10:54 -0500517
518 adjust_link(priv, priv->phydev);
519
Mingkai Hue0653bf2011-01-27 12:52:46 +0800520 /* If there's no link, fail */
Andy Fleming422effd2011-04-08 02:10:54 -0500521 return priv->phydev->link ? 0 : -1;
522}
523
524static phy_interface_t tsec_get_interface(struct tsec_private *priv)
525{
Claudiu Manoilcd0c4122013-09-30 12:44:42 +0300526 struct tsec __iomem *regs = priv->regs;
Andy Fleming422effd2011-04-08 02:10:54 -0500527 u32 ecntrl;
528
529 ecntrl = in_be32(&regs->ecntrl);
530
531 if (ecntrl & ECNTRL_SGMII_MODE)
532 return PHY_INTERFACE_MODE_SGMII;
533
534 if (ecntrl & ECNTRL_TBI_MODE) {
535 if (ecntrl & ECNTRL_REDUCED_MODE)
536 return PHY_INTERFACE_MODE_RTBI;
537 else
538 return PHY_INTERFACE_MODE_TBI;
539 }
540
541 if (ecntrl & ECNTRL_REDUCED_MODE) {
542 if (ecntrl & ECNTRL_REDUCED_MII_MODE)
543 return PHY_INTERFACE_MODE_RMII;
544 else {
545 phy_interface_t interface = priv->interface;
546
547 /*
548 * This isn't autodetected, so it must
549 * be set by the platform code.
550 */
551 if ((interface == PHY_INTERFACE_MODE_RGMII_ID) ||
552 (interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
553 (interface == PHY_INTERFACE_MODE_RGMII_RXID))
554 return interface;
555
556 return PHY_INTERFACE_MODE_RGMII;
557 }
558 }
559
560 if (priv->flags & TSEC_GIGABIT)
561 return PHY_INTERFACE_MODE_GMII;
562
563 return PHY_INTERFACE_MODE_MII;
Mingkai Hue0653bf2011-01-27 12:52:46 +0800564}
565
Andy Fleming422effd2011-04-08 02:10:54 -0500566
Mingkai Hue0653bf2011-01-27 12:52:46 +0800567/* Discover which PHY is attached to the device, and configure it
568 * properly. If the PHY is not recognized, then return 0
569 * (failure). Otherwise, return 1
wdenk78924a72004-04-18 21:45:42 +0000570 */
Mingkai Hue0653bf2011-01-27 12:52:46 +0800571static int init_phy(struct eth_device *dev)
wdenk78924a72004-04-18 21:45:42 +0000572{
Mingkai Hue0653bf2011-01-27 12:52:46 +0800573 struct tsec_private *priv = (struct tsec_private *)dev->priv;
Andy Fleming422effd2011-04-08 02:10:54 -0500574 struct phy_device *phydev;
Claudiu Manoilcd0c4122013-09-30 12:44:42 +0300575 struct tsec __iomem *regs = priv->regs;
Andy Fleming422effd2011-04-08 02:10:54 -0500576 u32 supported = (SUPPORTED_10baseT_Half |
577 SUPPORTED_10baseT_Full |
578 SUPPORTED_100baseT_Half |
579 SUPPORTED_100baseT_Full);
580
581 if (priv->flags & TSEC_GIGABIT)
582 supported |= SUPPORTED_1000baseT_Full;
wdenk78924a72004-04-18 21:45:42 +0000583
Mingkai Hue0653bf2011-01-27 12:52:46 +0800584 /* Assign a Physical address to the TBI */
585 out_be32(&regs->tbipa, CONFIG_SYS_TBIPA_VALUE);
586
Andy Fleming422effd2011-04-08 02:10:54 -0500587 priv->interface = tsec_get_interface(priv);
Mingkai Hue0653bf2011-01-27 12:52:46 +0800588
Andy Fleming422effd2011-04-08 02:10:54 -0500589 if (priv->interface == PHY_INTERFACE_MODE_SGMII)
590 tsec_configure_serdes(priv);
Mingkai Hue0653bf2011-01-27 12:52:46 +0800591
Andy Fleming422effd2011-04-08 02:10:54 -0500592 phydev = phy_connect(priv->bus, priv->phyaddr, dev, priv->interface);
Mingkai Hue0653bf2011-01-27 12:52:46 +0800593
Andy Fleming422effd2011-04-08 02:10:54 -0500594 phydev->supported &= supported;
595 phydev->advertising = phydev->supported;
wdenka445ddf2004-06-09 00:34:46 +0000596
Andy Fleming422effd2011-04-08 02:10:54 -0500597 priv->phydev = phydev;
wdenk78924a72004-04-18 21:45:42 +0000598
Andy Fleming422effd2011-04-08 02:10:54 -0500599 phy_config(phydev);
Mingkai Hue0653bf2011-01-27 12:52:46 +0800600
601 return 1;
wdenk78924a72004-04-18 21:45:42 +0000602}
603
Mingkai Hue0653bf2011-01-27 12:52:46 +0800604/* Initialize device structure. Returns success if PHY
605 * initialization succeeded (i.e. if it recognizes the PHY)
wdenk78924a72004-04-18 21:45:42 +0000606 */
Mingkai Hue0653bf2011-01-27 12:52:46 +0800607static int tsec_initialize(bd_t *bis, struct tsec_info_struct *tsec_info)
wdenk78924a72004-04-18 21:45:42 +0000608{
Mingkai Hue0653bf2011-01-27 12:52:46 +0800609 struct eth_device *dev;
610 int i;
611 struct tsec_private *priv;
wdenka445ddf2004-06-09 00:34:46 +0000612
Mingkai Hue0653bf2011-01-27 12:52:46 +0800613 dev = (struct eth_device *)malloc(sizeof *dev);
wdenk78924a72004-04-18 21:45:42 +0000614
Mingkai Hue0653bf2011-01-27 12:52:46 +0800615 if (NULL == dev)
616 return 0;
wdenk78924a72004-04-18 21:45:42 +0000617
Mingkai Hue0653bf2011-01-27 12:52:46 +0800618 memset(dev, 0, sizeof *dev);
wdenka445ddf2004-06-09 00:34:46 +0000619
Mingkai Hue0653bf2011-01-27 12:52:46 +0800620 priv = (struct tsec_private *)malloc(sizeof(*priv));
621
622 if (NULL == priv)
623 return 0;
624
Mingkai Hue0653bf2011-01-27 12:52:46 +0800625 priv->regs = tsec_info->regs;
Mingkai Hue0653bf2011-01-27 12:52:46 +0800626 priv->phyregs_sgmii = tsec_info->miiregs_sgmii;
627
628 priv->phyaddr = tsec_info->phyaddr;
629 priv->flags = tsec_info->flags;
wdenka445ddf2004-06-09 00:34:46 +0000630
Mingkai Hue0653bf2011-01-27 12:52:46 +0800631 sprintf(dev->name, tsec_info->devname);
Andy Fleming422effd2011-04-08 02:10:54 -0500632 priv->interface = tsec_info->interface;
633 priv->bus = miiphy_get_dev_by_name(tsec_info->mii_devname);
Mingkai Hue0653bf2011-01-27 12:52:46 +0800634 dev->iobase = 0;
635 dev->priv = priv;
636 dev->init = tsec_init;
637 dev->halt = tsec_halt;
638 dev->send = tsec_send;
639 dev->recv = tsec_recv;
David Updegraff7280da72007-06-11 10:41:07 -0500640#ifdef CONFIG_MCAST_TFTP
Mingkai Hue0653bf2011-01-27 12:52:46 +0800641 dev->mcast = tsec_mcast_addr;
642#endif
David Updegraff7280da72007-06-11 10:41:07 -0500643
Mingkai Hue0653bf2011-01-27 12:52:46 +0800644 /* Tell u-boot to get the addr from the env */
645 for (i = 0; i < 6; i++)
646 dev->enetaddr[i] = 0;
David Updegraff7280da72007-06-11 10:41:07 -0500647
Mingkai Hue0653bf2011-01-27 12:52:46 +0800648 eth_register(dev);
David Updegraff7280da72007-06-11 10:41:07 -0500649
Mingkai Hue0653bf2011-01-27 12:52:46 +0800650 /* Reset the MAC */
651 setbits_be32(&priv->regs->maccfg1, MACCFG1_SOFT_RESET);
652 udelay(2); /* Soft Reset must be asserted for 3 TX clocks */
653 clrbits_be32(&priv->regs->maccfg1, MACCFG1_SOFT_RESET);
David Updegraff7280da72007-06-11 10:41:07 -0500654
Mingkai Hue0653bf2011-01-27 12:52:46 +0800655 /* Try to initialize PHY here, and return */
656 return init_phy(dev);
657}
David Updegraff7280da72007-06-11 10:41:07 -0500658
Mingkai Hue0653bf2011-01-27 12:52:46 +0800659/*
660 * Initialize all the TSEC devices
661 *
662 * Returns the number of TSEC devices that were initialized
663 */
664int tsec_eth_init(bd_t *bis, struct tsec_info_struct *tsecs, int num)
665{
666 int i;
667 int ret, count = 0;
668
669 for (i = 0; i < num; i++) {
670 ret = tsec_initialize(bis, &tsecs[i]);
671 if (ret > 0)
672 count += ret;
David Updegraff7280da72007-06-11 10:41:07 -0500673 }
Mingkai Hue0653bf2011-01-27 12:52:46 +0800674
675 return count;
David Updegraff7280da72007-06-11 10:41:07 -0500676}
Mingkai Hue0653bf2011-01-27 12:52:46 +0800677
678int tsec_standard_init(bd_t *bis)
679{
Andy Fleming422effd2011-04-08 02:10:54 -0500680 struct fsl_pq_mdio_info info;
681
Claudiu Manoilcd0c4122013-09-30 12:44:42 +0300682 info.regs = TSEC_GET_MDIO_REGS_BASE(1);
Andy Fleming422effd2011-04-08 02:10:54 -0500683 info.name = DEFAULT_MII_NAME;
684
685 fsl_pq_mdio_init(bis, &info);
686
Mingkai Hue0653bf2011-01-27 12:52:46 +0800687 return tsec_eth_init(bis, tsec_info, ARRAY_SIZE(tsec_info));
688}