2 * SPDX-License-Identifier: GPL-2.0 IBM-pibs
4 /*-----------------------------------------------------------------------------+
6 * File Name: enetemac.c
8 * Function: Device driver for the ethernet EMAC3 macro on the 405GP.
14 * Date Description of Change BY
15 * --------- --------------------- ---
16 * 05-May-99 Created MKW
17 * 27-Jun-99 Clean up JWB
18 * 16-Jul-99 Added MAL error recovery and better IP packet handling MKW
19 * 29-Jul-99 Added Full duplex support MKW
20 * 06-Aug-99 Changed names for Mal CR reg MKW
21 * 23-Aug-99 Turned off SYE when running at 10Mbs MKW
22 * 24-Aug-99 Marked descriptor empty after call_xlc MKW
23 * 07-Sep-99 Set MAL RX buffer size reg to ENET_MAX_MTU_ALIGNED / 16 MCG
24 * to avoid chaining maximum sized packets. Push starting
25 * RX descriptor address up to the next cache line boundary.
26 * 16-Jan-00 Added support for booting with IP of 0x0 MKW
27 * 15-Mar-00 Updated enetInit() to enable broadcast addresses in the
28 * EMAC0_RXM register. JWB
29 * 12-Mar-01 anne-sophie.harnois@nextream.fr
30 * - Variables are compatible with those already defined in
32 * - Receive buffer descriptor ring is used to send buffers
34 * - Info print about send/received/handled packet number if
35 * INFO_405_ENET is set
36 * 17-Apr-01 stefan.roese@esd-electronics.com
37 * - MAL reset in "eth_halt" included
38 * - Enet speed and duplex output now in one line
39 * 08-May-01 stefan.roese@esd-electronics.com
40 * - MAL error handling added (eth_init called again)
41 * 13-Nov-01 stefan.roese@esd-electronics.com
42 * - Set IST bit in EMAC0_MR1 reg upon 100MBit or full duplex
43 * 04-Jan-02 stefan.roese@esd-electronics.com
44 * - Wait for PHY auto negotiation to complete added
45 * 06-Feb-02 stefan.roese@esd-electronics.com
46 * - Bug fixed in waiting for auto negotiation to complete
47 * 26-Feb-02 stefan.roese@esd-electronics.com
48 * - rx and tx buffer descriptors now allocated (no fixed address
50 * 17-Jun-02 stefan.roese@esd-electronics.com
51 * - MAL error debug printf 'M' removed (rx de interrupt may
52 * occur upon many incoming packets with only 4 rx buffers).
53 *-----------------------------------------------------------------------------*
54 * 17-Nov-03 travis.sawyer@sandburst.com
55 * - ported from 405gp_enet.c to utilized upto 4 EMAC ports
56 * in the 440GX. This port should work with the 440GP
58 * 15-Aug-05 sr@denx.de
59 * - merged 405gp_enet.c and 440gx_enet.c to generic 4xx_enet.c
60 now handling all 4xx cpu's.
61 *-----------------------------------------------------------------------------*/
66 #include <asm/processor.h>
68 #include <asm/cache.h>
71 #include <asm/ppc4xx.h>
72 #include <asm/ppc4xx-emac.h>
73 #include <asm/ppc4xx-mal.h>
76 #include <linux/compiler.h>
78 #if !(defined(CONFIG_MII) || defined(CONFIG_CMD_MII))
79 #error "CONFIG_MII has to be defined!"
82 #define EMAC_RESET_TIMEOUT 1000 /* 1000 ms reset timeout */
83 #define PHY_AUTONEGOTIATE_TIMEOUT 5000 /* 5000 ms autonegotiate timeout */
85 /* Ethernet Transmit and Receive Buffers */
87 * In the same way ENET_MAX_MTU and ENET_MAX_MTU_ALIGNED are set from
88 * PKTSIZE and PKTSIZE_ALIGN (include/net.h)
90 #define ENET_MAX_MTU PKTSIZE
91 #define ENET_MAX_MTU_ALIGNED PKTSIZE_ALIGN
93 /*-----------------------------------------------------------------------------+
94 * Defines for MAL/EMAC interrupt conditions as reported in the UIC (Universal
95 * Interrupt Controller).
96 *-----------------------------------------------------------------------------*/
97 #define ETH_IRQ_NUM(dev) (VECNUM_ETH0 + ((dev) * VECNUM_ETH1_OFFS))
99 #if defined(CONFIG_HAS_ETH3)
100 #if !defined(CONFIG_440GX)
101 #define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)) || \
102 UIC_MASK(ETH_IRQ_NUM(2)) || UIC_MASK(ETH_IRQ_NUM(3)))
104 /* Unfortunately 440GX spreads EMAC interrupts on multiple UIC's */
105 #define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)))
106 #define UIC_ETHxB (UIC_MASK(ETH_IRQ_NUM(2)) || UIC_MASK(ETH_IRQ_NUM(3)))
107 #endif /* !defined(CONFIG_440GX) */
108 #elif defined(CONFIG_HAS_ETH2)
109 #define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)) || \
110 UIC_MASK(ETH_IRQ_NUM(2)))
111 #elif defined(CONFIG_HAS_ETH1)
112 #define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)))
114 #define UIC_ETHx UIC_MASK(ETH_IRQ_NUM(0))
118 * Define a default version for UIC_ETHxB for non 440GX so that we can
119 * use common code for all 4xx variants
121 #if !defined(UIC_ETHxB)
125 #define UIC_MAL_SERR UIC_MASK(VECNUM_MAL_SERR)
126 #define UIC_MAL_TXDE UIC_MASK(VECNUM_MAL_TXDE)
127 #define UIC_MAL_RXDE UIC_MASK(VECNUM_MAL_RXDE)
128 #define UIC_MAL_TXEOB UIC_MASK(VECNUM_MAL_TXEOB)
129 #define UIC_MAL_RXEOB UIC_MASK(VECNUM_MAL_RXEOB)
131 #define MAL_UIC_ERR (UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE)
132 #define MAL_UIC_DEF (UIC_MAL_RXEOB | MAL_UIC_ERR)
135 * We have 3 different interrupt types:
136 * - MAL interrupts indicating successful transfer
137 * - MAL error interrupts indicating MAL related errors
138 * - EMAC interrupts indicating EMAC related errors
140 * All those interrupts can be on different UIC's, but since
141 * now at least all interrupts from one type are on the same
142 * UIC. Only exception is 440GX where the EMAC interrupts are
143 * spread over two UIC's!
145 #if defined(CONFIG_440GX)
146 #define UIC_BASE_MAL UIC1_DCR_BASE
147 #define UIC_BASE_MAL_ERR UIC2_DCR_BASE
148 #define UIC_BASE_EMAC UIC2_DCR_BASE
149 #define UIC_BASE_EMAC_B UIC3_DCR_BASE
151 #define UIC_BASE_MAL (UIC0_DCR_BASE + (UIC_NR(VECNUM_MAL_TXEOB) * 0x10))
152 #define UIC_BASE_MAL_ERR (UIC0_DCR_BASE + (UIC_NR(VECNUM_MAL_SERR) * 0x10))
153 #define UIC_BASE_EMAC (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(0)) * 0x10))
154 #define UIC_BASE_EMAC_B (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(0)) * 0x10))
159 #define BI_PHYMODE_NONE 0
160 #define BI_PHYMODE_ZMII 1
161 #define BI_PHYMODE_RGMII 2
162 #define BI_PHYMODE_GMII 3
163 #define BI_PHYMODE_RTBI 4
164 #define BI_PHYMODE_TBI 5
165 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
166 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
167 defined(CONFIG_405EX)
168 #define BI_PHYMODE_SMII 6
169 #define BI_PHYMODE_MII 7
170 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
171 #define BI_PHYMODE_RMII 8
174 #define BI_PHYMODE_SGMII 9
176 #if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
177 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
178 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
179 defined(CONFIG_405EX)
180 #define SDR0_MFR_ETH_CLK_SEL_V(n) ((0x01<<27) / (n+1))
183 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
184 #define SDR0_ETH_CFG_CLK_SEL_V(n) (0x01 << (8 + n))
187 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
188 #define MAL_RX_CHAN_MUL 8 /* 460EX/GT uses MAL channel 8 for EMAC1 */
190 #define MAL_RX_CHAN_MUL 1
193 /*--------------------------------------------------------------------+
194 * Fixed PHY (PHY-less) support for Ethernet Ports.
195 *--------------------------------------------------------------------*/
198 * Some boards do not have a PHY for each ethernet port. These ports
199 * are known as Fixed PHY (or PHY-less) ports. For such ports, set
200 * the appropriate CONFIG_PHY_ADDR equal to CONFIG_FIXED_PHY and
201 * then define CONFIG_SYS_FIXED_PHY_PORTS to define what the speed and
202 * duplex should be for these ports in the board configuration
206 * #define CONFIG_FIXED_PHY 0xFFFFFFFF
208 * #define CONFIG_PHY_ADDR CONFIG_FIXED_PHY
209 * #define CONFIG_PHY1_ADDR 1
210 * #define CONFIG_PHY2_ADDR CONFIG_FIXED_PHY
211 * #define CONFIG_PHY3_ADDR 3
213 * #define CONFIG_SYS_FIXED_PHY_PORT(devnum,speed,duplex) \
214 * {devnum, speed, duplex},
216 * #define CONFIG_SYS_FIXED_PHY_PORTS \
217 * CONFIG_SYS_FIXED_PHY_PORT(0,1000,FULL) \
218 * CONFIG_SYS_FIXED_PHY_PORT(2,100,HALF)
221 #ifndef CONFIG_FIXED_PHY
222 #define CONFIG_FIXED_PHY 0xFFFFFFFF /* Fixed PHY (PHY-less) */
225 #ifndef CONFIG_SYS_FIXED_PHY_PORTS
226 #define CONFIG_SYS_FIXED_PHY_PORTS /* default is an empty array */
229 struct fixed_phy_port {
230 unsigned int devnum; /* ethernet port */
231 unsigned int speed; /* specified speed 10,100 or 1000 */
232 unsigned int duplex; /* specified duplex FULL or HALF */
235 static const struct fixed_phy_port fixed_phy_port[] = {
236 CONFIG_SYS_FIXED_PHY_PORTS /* defined in board configuration file */
239 /*-----------------------------------------------------------------------------+
240 * Global variables. TX and RX descriptors and buffers.
241 *-----------------------------------------------------------------------------*/
244 * Get count of EMAC devices (doesn't have to be the max. possible number
245 * supported by the cpu)
247 * CONFIG_BOARD_EMAC_COUNT added so now a "dynamic" way to configure the
248 * EMAC count is possible. As it is needed for the Kilauea/Haleakala
249 * 405EX/405EXr eval board, using the same binary.
251 #if defined(CONFIG_BOARD_EMAC_COUNT)
252 #define LAST_EMAC_NUM board_emac_count()
253 #else /* CONFIG_BOARD_EMAC_COUNT */
254 #if defined(CONFIG_HAS_ETH3)
255 #define LAST_EMAC_NUM 4
256 #elif defined(CONFIG_HAS_ETH2)
257 #define LAST_EMAC_NUM 3
258 #elif defined(CONFIG_HAS_ETH1)
259 #define LAST_EMAC_NUM 2
261 #define LAST_EMAC_NUM 1
263 #endif /* CONFIG_BOARD_EMAC_COUNT */
265 /* normal boards start with EMAC0 */
266 #if !defined(CONFIG_EMAC_NR_START)
267 #define CONFIG_EMAC_NR_START 0
270 #define MAL_RX_DESC_SIZE 2048
271 #define MAL_TX_DESC_SIZE 2048
272 #define MAL_ALLOC_SIZE (MAL_TX_DESC_SIZE + MAL_RX_DESC_SIZE)
274 /*-----------------------------------------------------------------------------+
275 * Prototypes and externals.
276 *-----------------------------------------------------------------------------*/
277 static void enet_rcv (struct eth_device *dev, unsigned long malisr);
279 int enetInt (struct eth_device *dev);
280 static void mal_err (struct eth_device *dev, unsigned long isr,
281 unsigned long uic, unsigned long maldef,
282 unsigned long mal_errr);
283 static void emac_err (struct eth_device *dev, unsigned long isr);
285 extern int phy_setup_aneg (char *devname, unsigned char addr);
286 int emac4xx_miiphy_read(struct mii_dev *bus, int addr, int devad, int reg);
287 int emac4xx_miiphy_write(struct mii_dev *bus, int addr, int devad, int reg,
290 int board_emac_count(void);
292 static void emac_loopback_enable(EMAC_4XX_HW_PST hw_p)
294 #if defined(CONFIG_440SPE) || \
295 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
296 defined(CONFIG_405EX)
299 mfsdr(SDR0_MFR, val);
300 val |= SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum);
301 mtsdr(SDR0_MFR, val);
302 #elif defined(CONFIG_460EX) || defined(CONFIG_460GT)
305 mfsdr(SDR0_ETH_CFG, val);
306 val |= SDR0_ETH_CFG_CLK_SEL_V(hw_p->devnum);
307 mtsdr(SDR0_ETH_CFG, val);
311 static void emac_loopback_disable(EMAC_4XX_HW_PST hw_p)
313 #if defined(CONFIG_440SPE) || \
314 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
315 defined(CONFIG_405EX)
318 mfsdr(SDR0_MFR, val);
319 val &= ~SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum);
320 mtsdr(SDR0_MFR, val);
321 #elif defined(CONFIG_460EX) || defined(CONFIG_460GT)
324 mfsdr(SDR0_ETH_CFG, val);
325 val &= ~SDR0_ETH_CFG_CLK_SEL_V(hw_p->devnum);
326 mtsdr(SDR0_ETH_CFG, val);
330 /*-----------------------------------------------------------------------------+
332 | Disable MAL channel, and EMACn
333 +-----------------------------------------------------------------------------*/
334 static void ppc_4xx_eth_halt (struct eth_device *dev)
336 EMAC_4XX_HW_PST hw_p = dev->priv;
339 out_be32((void *)EMAC0_IER + hw_p->hw_addr, 0x00000000); /* disable emac interrupts */
341 /* 1st reset MAL channel */
342 /* Note: writing a 0 to a channel has no effect */
343 #if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
344 mtdcr (MAL0_TXCARR, (MAL_CR_MMSR >> (hw_p->devnum * 2)));
346 mtdcr (MAL0_TXCARR, (MAL_CR_MMSR >> hw_p->devnum));
348 mtdcr (MAL0_RXCARR, (MAL_CR_MMSR >> hw_p->devnum));
351 while (mfdcr (MAL0_RXCASR) & (MAL_CR_MMSR >> hw_p->devnum)) {
352 udelay (1000); /* Delay 1 MS so as not to hammer the register */
358 /* provide clocks for EMAC internal loopback */
359 emac_loopback_enable(hw_p);
362 out_be32((void *)EMAC0_MR0 + hw_p->hw_addr, EMAC_MR0_SRST);
364 /* remove clocks for EMAC internal loopback */
365 emac_loopback_disable(hw_p);
367 #ifndef CONFIG_NETCONSOLE
368 hw_p->print_speed = 1; /* print speed message again next time */
371 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
372 /* don't bypass the TAHOE0/TAHOE1 cores for Linux */
373 mfsdr(SDR0_ETH_CFG, val);
374 val &= ~(SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS);
375 mtsdr(SDR0_ETH_CFG, val);
381 #if defined (CONFIG_440GX)
382 int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
385 unsigned long zmiifer;
386 unsigned long rmiifer;
388 mfsdr(SDR0_PFC1, pfc1);
389 pfc1 = SDR0_PFC1_EPS_DECODE(pfc1);
396 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0);
397 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(1);
398 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(2);
399 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(3);
400 bis->bi_phymode[0] = BI_PHYMODE_ZMII;
401 bis->bi_phymode[1] = BI_PHYMODE_ZMII;
402 bis->bi_phymode[2] = BI_PHYMODE_ZMII;
403 bis->bi_phymode[3] = BI_PHYMODE_ZMII;
406 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0);
407 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1);
408 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(2);
409 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(3);
410 bis->bi_phymode[0] = BI_PHYMODE_ZMII;
411 bis->bi_phymode[1] = BI_PHYMODE_ZMII;
412 bis->bi_phymode[2] = BI_PHYMODE_ZMII;
413 bis->bi_phymode[3] = BI_PHYMODE_ZMII;
416 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0);
417 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2);
418 bis->bi_phymode[0] = BI_PHYMODE_ZMII;
419 bis->bi_phymode[1] = BI_PHYMODE_NONE;
420 bis->bi_phymode[2] = BI_PHYMODE_RGMII;
421 bis->bi_phymode[3] = BI_PHYMODE_NONE;
424 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0);
425 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1);
426 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V (2);
427 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V (3);
428 bis->bi_phymode[0] = BI_PHYMODE_ZMII;
429 bis->bi_phymode[1] = BI_PHYMODE_ZMII;
430 bis->bi_phymode[2] = BI_PHYMODE_RGMII;
431 bis->bi_phymode[3] = BI_PHYMODE_RGMII;
434 zmiifer |= ZMII_FER_SMII << ZMII_FER_V (0);
435 zmiifer |= ZMII_FER_SMII << ZMII_FER_V (1);
436 zmiifer |= ZMII_FER_SMII << ZMII_FER_V (2);
437 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3);
438 bis->bi_phymode[0] = BI_PHYMODE_ZMII;
439 bis->bi_phymode[1] = BI_PHYMODE_ZMII;
440 bis->bi_phymode[2] = BI_PHYMODE_ZMII;
441 bis->bi_phymode[3] = BI_PHYMODE_RGMII;
444 zmiifer |= ZMII_FER_SMII << ZMII_FER_V (0);
445 zmiifer |= ZMII_FER_SMII << ZMII_FER_V (1);
446 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2);
447 bis->bi_phymode[0] = BI_PHYMODE_ZMII;
448 bis->bi_phymode[1] = BI_PHYMODE_ZMII;
449 bis->bi_phymode[2] = BI_PHYMODE_RGMII;
453 zmiifer = ZMII_FER_MII << ZMII_FER_V(devnum);
455 bis->bi_phymode[0] = BI_PHYMODE_ZMII;
456 bis->bi_phymode[1] = BI_PHYMODE_ZMII;
457 bis->bi_phymode[2] = BI_PHYMODE_ZMII;
458 bis->bi_phymode[3] = BI_PHYMODE_ZMII;
462 /* Ensure we setup mdio for this devnum and ONLY this devnum */
463 zmiifer |= (ZMII_FER_MDI) << ZMII_FER_V(devnum);
465 out_be32((void *)ZMII0_FER, zmiifer);
466 out_be32((void *)RGMII_FER, rmiifer);
470 #endif /* CONFIG_440_GX */
472 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
473 int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
475 unsigned long zmiifer=0x0;
478 mfsdr(SDR0_PFC1, pfc1);
479 pfc1 &= SDR0_PFC1_SELECT_MASK;
482 case SDR0_PFC1_SELECT_CONFIG_2:
484 out_be32((void *)ZMII0_FER, 0x00);
485 out_be32((void *)RGMII_FER, 0x00000037);
486 bis->bi_phymode[0] = BI_PHYMODE_GMII;
487 bis->bi_phymode[1] = BI_PHYMODE_NONE;
489 case SDR0_PFC1_SELECT_CONFIG_4:
490 /* 2 x RGMII ports */
491 out_be32((void *)ZMII0_FER, 0x00);
492 out_be32((void *)RGMII_FER, 0x00000055);
493 bis->bi_phymode[0] = BI_PHYMODE_RGMII;
494 bis->bi_phymode[1] = BI_PHYMODE_RGMII;
496 case SDR0_PFC1_SELECT_CONFIG_6:
498 out_be32((void *)ZMII0_FER,
499 ((ZMII_FER_SMII) << ZMII_FER_V(0)) |
500 ((ZMII_FER_SMII) << ZMII_FER_V(1)));
501 out_be32((void *)RGMII_FER, 0x00000000);
502 bis->bi_phymode[0] = BI_PHYMODE_SMII;
503 bis->bi_phymode[1] = BI_PHYMODE_SMII;
505 case SDR0_PFC1_SELECT_CONFIG_1_2:
506 /* only 1 x MII supported */
507 out_be32((void *)ZMII0_FER, (ZMII_FER_MII) << ZMII_FER_V(0));
508 out_be32((void *)RGMII_FER, 0x00000000);
509 bis->bi_phymode[0] = BI_PHYMODE_MII;
510 bis->bi_phymode[1] = BI_PHYMODE_NONE;
516 /* Ensure we setup mdio for this devnum and ONLY this devnum */
517 zmiifer = in_be32((void *)ZMII0_FER);
518 zmiifer |= (ZMII_FER_MDI) << ZMII_FER_V(devnum);
519 out_be32((void *)ZMII0_FER, zmiifer);
523 #endif /* CONFIG_440EPX */
525 #if defined(CONFIG_405EX)
526 int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
531 * The 405EX(r)'s RGMII bridge can operate in one of several
532 * modes, only one of which (2 x RGMII) allows the
533 * simultaneous use of both EMACs on the 405EX.
536 switch (CONFIG_EMAC_PHY_MODE) {
538 case EMAC_PHY_MODE_NONE:
540 rgmiifer |= RGMII_FER_DIS << 0;
541 rgmiifer |= RGMII_FER_DIS << 4;
542 out_be32((void *)RGMII_FER, rgmiifer);
543 bis->bi_phymode[0] = BI_PHYMODE_NONE;
544 bis->bi_phymode[1] = BI_PHYMODE_NONE;
546 case EMAC_PHY_MODE_NONE_RGMII:
547 /* 1 x RGMII port on channel 0 */
548 rgmiifer |= RGMII_FER_RGMII << 0;
549 rgmiifer |= RGMII_FER_DIS << 4;
550 out_be32((void *)RGMII_FER, rgmiifer);
551 bis->bi_phymode[0] = BI_PHYMODE_RGMII;
552 bis->bi_phymode[1] = BI_PHYMODE_NONE;
554 case EMAC_PHY_MODE_RGMII_NONE:
555 /* 1 x RGMII port on channel 1 */
556 rgmiifer |= RGMII_FER_DIS << 0;
557 rgmiifer |= RGMII_FER_RGMII << 4;
558 out_be32((void *)RGMII_FER, rgmiifer);
559 bis->bi_phymode[0] = BI_PHYMODE_NONE;
560 bis->bi_phymode[1] = BI_PHYMODE_RGMII;
562 case EMAC_PHY_MODE_RGMII_RGMII:
563 /* 2 x RGMII ports */
564 rgmiifer |= RGMII_FER_RGMII << 0;
565 rgmiifer |= RGMII_FER_RGMII << 4;
566 out_be32((void *)RGMII_FER, rgmiifer);
567 bis->bi_phymode[0] = BI_PHYMODE_RGMII;
568 bis->bi_phymode[1] = BI_PHYMODE_RGMII;
570 case EMAC_PHY_MODE_NONE_GMII:
571 /* 1 x GMII port on channel 0 */
572 rgmiifer |= RGMII_FER_GMII << 0;
573 rgmiifer |= RGMII_FER_DIS << 4;
574 out_be32((void *)RGMII_FER, rgmiifer);
575 bis->bi_phymode[0] = BI_PHYMODE_GMII;
576 bis->bi_phymode[1] = BI_PHYMODE_NONE;
578 case EMAC_PHY_MODE_NONE_MII:
579 /* 1 x MII port on channel 0 */
580 rgmiifer |= RGMII_FER_MII << 0;
581 rgmiifer |= RGMII_FER_DIS << 4;
582 out_be32((void *)RGMII_FER, rgmiifer);
583 bis->bi_phymode[0] = BI_PHYMODE_MII;
584 bis->bi_phymode[1] = BI_PHYMODE_NONE;
586 case EMAC_PHY_MODE_GMII_NONE:
587 /* 1 x GMII port on channel 1 */
588 rgmiifer |= RGMII_FER_DIS << 0;
589 rgmiifer |= RGMII_FER_GMII << 4;
590 out_be32((void *)RGMII_FER, rgmiifer);
591 bis->bi_phymode[0] = BI_PHYMODE_NONE;
592 bis->bi_phymode[1] = BI_PHYMODE_GMII;
594 case EMAC_PHY_MODE_MII_NONE:
595 /* 1 x MII port on channel 1 */
596 rgmiifer |= RGMII_FER_DIS << 0;
597 rgmiifer |= RGMII_FER_MII << 4;
598 out_be32((void *)RGMII_FER, rgmiifer);
599 bis->bi_phymode[0] = BI_PHYMODE_NONE;
600 bis->bi_phymode[1] = BI_PHYMODE_MII;
606 /* Ensure we setup mdio for this devnum and ONLY this devnum */
607 rgmiifer = in_be32((void *)RGMII_FER);
608 rgmiifer |= (1 << (19-devnum));
609 out_be32((void *)RGMII_FER, rgmiifer);
613 #endif /* CONFIG_405EX */
615 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
616 int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
619 u32 zmiifer; /* ZMII0_FER reg. */
620 u32 rmiifer; /* RGMII0_FER reg. Bridge 0 */
621 u32 rmiifer1; /* RGMII0_FER reg. Bridge 1 */
628 #if defined(CONFIG_460EX)
630 mfsdr(SDR0_ETH_CFG, eth_cfg);
631 if (((eth_cfg & SDR0_ETH_CFG_SGMII0_ENABLE) > 0) &&
632 ((eth_cfg & SDR0_ETH_CFG_SGMII1_ENABLE) > 0))
633 mode = 11; /* config SGMII */
636 mfsdr(SDR0_ETH_CFG, eth_cfg);
637 if (((eth_cfg & SDR0_ETH_CFG_SGMII0_ENABLE) > 0) &&
638 ((eth_cfg & SDR0_ETH_CFG_SGMII1_ENABLE) > 0) &&
639 ((eth_cfg & SDR0_ETH_CFG_SGMII2_ENABLE) > 0))
640 mode = 12; /* config SGMII */
644 * NOTE: 460GT has 2 RGMII bridge cores:
645 * emac0 ------ RGMII0_BASE
649 * emac2 ------ RGMII1_BASE
653 * 460EX has 1 RGMII bridge core:
654 * and RGMII1_BASE is disabled
655 * emac0 ------ RGMII0_BASE
661 * Right now only 2*RGMII is supported. Please extend when needed.
669 /* GMC0 EMAC4_0, ZMII Bridge */
670 zmiifer |= ZMII_FER_MII << ZMII_FER_V(0);
671 bis->bi_phymode[0] = BI_PHYMODE_MII;
672 bis->bi_phymode[1] = BI_PHYMODE_NONE;
673 bis->bi_phymode[2] = BI_PHYMODE_NONE;
674 bis->bi_phymode[3] = BI_PHYMODE_NONE;
678 /* GMC0 EMAC4_0, GMC1 EMAC4_2, ZMII Bridge */
679 zmiifer |= ZMII_FER_MII << ZMII_FER_V(0);
680 zmiifer |= ZMII_FER_MII << ZMII_FER_V(2);
681 bis->bi_phymode[0] = BI_PHYMODE_MII;
682 bis->bi_phymode[1] = BI_PHYMODE_NONE;
683 bis->bi_phymode[2] = BI_PHYMODE_MII;
684 bis->bi_phymode[3] = BI_PHYMODE_NONE;
688 /* GMC0 EMAC4_0, GMC0 EMAC4_1, ZMII Bridge */
689 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0);
690 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(1);
691 bis->bi_phymode[0] = BI_PHYMODE_RMII;
692 bis->bi_phymode[1] = BI_PHYMODE_RMII;
693 bis->bi_phymode[2] = BI_PHYMODE_NONE;
694 bis->bi_phymode[3] = BI_PHYMODE_NONE;
698 /* GMC0 EMAC4_0, GMC0 EMAC4_1, GMC1 EMAC4_2, GMC1, EMAC4_3 */
700 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0);
701 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(1);
702 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(2);
703 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(3);
704 bis->bi_phymode[0] = BI_PHYMODE_RMII;
705 bis->bi_phymode[1] = BI_PHYMODE_RMII;
706 bis->bi_phymode[2] = BI_PHYMODE_RMII;
707 bis->bi_phymode[3] = BI_PHYMODE_RMII;
711 /* GMC0 EMAC4_0, GMC0 EMAC4_1, ZMII Bridge */
712 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0);
713 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1);
714 bis->bi_phymode[0] = BI_PHYMODE_SMII;
715 bis->bi_phymode[1] = BI_PHYMODE_SMII;
716 bis->bi_phymode[2] = BI_PHYMODE_NONE;
717 bis->bi_phymode[3] = BI_PHYMODE_NONE;
721 /* GMC0 EMAC4_0, GMC0 EMAC4_1, GMC0 EMAC4_3, GMC0 EMAC4_3 */
723 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0);
724 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1);
725 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(2);
726 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(3);
727 bis->bi_phymode[0] = BI_PHYMODE_SMII;
728 bis->bi_phymode[1] = BI_PHYMODE_SMII;
729 bis->bi_phymode[2] = BI_PHYMODE_SMII;
730 bis->bi_phymode[3] = BI_PHYMODE_SMII;
733 /* This is the default mode that we want for board bringup - Maple */
735 /* GMC0 EMAC4_0, RGMII Bridge 0 */
736 rmiifer |= RGMII_FER_MDIO(0);
739 rmiifer |= RGMII_FER_GMII << RGMII_FER_V(2); /* CH0CFG - EMAC0 */
740 bis->bi_phymode[0] = BI_PHYMODE_GMII;
741 bis->bi_phymode[1] = BI_PHYMODE_NONE;
742 bis->bi_phymode[2] = BI_PHYMODE_NONE;
743 bis->bi_phymode[3] = BI_PHYMODE_NONE;
745 rmiifer |= RGMII_FER_GMII << RGMII_FER_V(3); /* CH1CFG - EMAC1 */
746 bis->bi_phymode[0] = BI_PHYMODE_NONE;
747 bis->bi_phymode[1] = BI_PHYMODE_GMII;
748 bis->bi_phymode[2] = BI_PHYMODE_NONE;
749 bis->bi_phymode[3] = BI_PHYMODE_NONE;
754 /* GMC0 EMAC4_0, RGMII Bridge 0 */
755 /* GMC1 EMAC4_2, RGMII Bridge 1 */
756 rmiifer |= RGMII_FER_GMII << RGMII_FER_V(2); /* CH0CFG - EMAC0 */
757 rmiifer1 |= RGMII_FER_GMII << RGMII_FER_V(2); /* CH0CFG - EMAC2 */
758 rmiifer |= RGMII_FER_MDIO(0); /* enable MDIO - EMAC0 */
759 rmiifer1 |= RGMII_FER_MDIO(0); /* enable MDIO - EMAC2 */
761 bis->bi_phymode[0] = BI_PHYMODE_GMII;
762 bis->bi_phymode[1] = BI_PHYMODE_NONE;
763 bis->bi_phymode[2] = BI_PHYMODE_GMII;
764 bis->bi_phymode[3] = BI_PHYMODE_NONE;
767 /* 2 RGMII - 460EX */
768 /* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */
769 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2);
770 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3);
771 rmiifer |= RGMII_FER_MDIO(0); /* enable MDIO - EMAC0 */
773 bis->bi_phymode[0] = BI_PHYMODE_RGMII;
774 bis->bi_phymode[1] = BI_PHYMODE_RGMII;
775 bis->bi_phymode[2] = BI_PHYMODE_NONE;
776 bis->bi_phymode[3] = BI_PHYMODE_NONE;
779 /* 4 RGMII - 460GT */
780 /* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */
781 /* GMC1 EMAC4_2, GMC1 EMAC4_3, RGMII Bridge 1 */
782 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2);
783 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3);
784 rmiifer1 |= RGMII_FER_RGMII << RGMII_FER_V(2);
785 rmiifer1 |= RGMII_FER_RGMII << RGMII_FER_V(3);
786 bis->bi_phymode[0] = BI_PHYMODE_RGMII;
787 bis->bi_phymode[1] = BI_PHYMODE_RGMII;
788 bis->bi_phymode[2] = BI_PHYMODE_RGMII;
789 bis->bi_phymode[3] = BI_PHYMODE_RGMII;
792 /* 2 SGMII - 460EX */
793 bis->bi_phymode[0] = BI_PHYMODE_SGMII;
794 bis->bi_phymode[1] = BI_PHYMODE_SGMII;
795 bis->bi_phymode[2] = BI_PHYMODE_NONE;
796 bis->bi_phymode[3] = BI_PHYMODE_NONE;
799 /* 3 SGMII - 460GT */
800 bis->bi_phymode[0] = BI_PHYMODE_SGMII;
801 bis->bi_phymode[1] = BI_PHYMODE_SGMII;
802 bis->bi_phymode[2] = BI_PHYMODE_SGMII;
803 bis->bi_phymode[3] = BI_PHYMODE_NONE;
809 /* Set EMAC for MDIO */
810 mfsdr(SDR0_ETH_CFG, eth_cfg);
811 eth_cfg |= SDR0_ETH_CFG_MDIO_SEL_EMAC0;
812 mtsdr(SDR0_ETH_CFG, eth_cfg);
814 out_be32((void *)RGMII_FER, rmiifer);
815 #if defined(CONFIG_460GT)
816 out_be32((void *)RGMII_FER + RGMII1_BASE_OFFSET, rmiifer1);
819 /* bypass the TAHOE0/TAHOE1 cores for U-Boot */
820 mfsdr(SDR0_ETH_CFG, eth_cfg);
821 eth_cfg |= (SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS);
822 mtsdr(SDR0_ETH_CFG, eth_cfg);
826 #endif /* CONFIG_460EX || CONFIG_460GT */
828 static inline void *malloc_aligned(u32 size, u32 align)
830 return (void *)(((u32)malloc(size + align) + align - 1) &
834 static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
837 unsigned long reg = 0;
840 unsigned long duplex;
841 unsigned long failsafe;
843 unsigned short devnum;
844 unsigned short reg_short;
845 #if defined(CONFIG_440GX) || \
846 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
847 defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
848 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
849 defined(CONFIG_405EX)
852 #if defined(CONFIG_440GX) || \
853 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
854 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
855 defined(CONFIG_405EX)
856 __maybe_unused int ethgroup = -1;
861 #ifdef CONFIG_4xx_DCACHE
862 static u32 last_used_ea = 0;
864 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
865 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
866 defined(CONFIG_405EX)
870 EMAC_4XX_HW_PST hw_p = dev->priv;
872 /* before doing anything, figure out if we have a MAC address */
874 if (memcmp (dev->enetaddr, "\0\0\0\0\0\0", 6) == 0) {
875 printf("ERROR: ethaddr not set!\n");
879 #if defined(CONFIG_440GX) || \
880 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
881 defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
882 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
883 defined(CONFIG_405EX)
884 /* Need to get the OPB frequency so we can access the PHY */
885 get_sys_info (&sysinfo);
889 mtmsr (msr & ~(MSR_EE)); /* disable interrupts */
891 devnum = hw_p->devnum;
896 * hw_p->stats.pkts_handled <= hw_p->stats.pkts_rx <= hw_p->stats.pkts_handled+PKTBUFSRX
897 * In the most cases hw_p->stats.pkts_handled = hw_p->stats.pkts_rx, but it
898 * is possible that new packets (without relationship with
899 * current transfer) have got the time to arrived before
900 * netloop calls eth_halt
902 printf ("About preceding transfer (eth%d):\n"
903 "- Sent packet number %d\n"
904 "- Received packet number %d\n"
905 "- Handled packet number %d\n",
908 hw_p->stats.pkts_rx, hw_p->stats.pkts_handled);
910 hw_p->stats.pkts_tx = 0;
911 hw_p->stats.pkts_rx = 0;
912 hw_p->stats.pkts_handled = 0;
913 hw_p->print_speed = 1; /* print speed message again next time */
916 hw_p->tx_err_index = 0; /* Transmit Error Index for tx_err_log */
917 hw_p->rx_err_index = 0; /* Receive Error Index for rx_err_log */
919 hw_p->rx_slot = 0; /* MAL Receive Slot */
920 hw_p->rx_i_index = 0; /* Receive Interrupt Queue Index */
921 hw_p->rx_u_index = 0; /* Receive User Queue Index */
923 hw_p->tx_slot = 0; /* MAL Transmit Slot */
924 hw_p->tx_i_index = 0; /* Transmit Interrupt Queue Index */
925 hw_p->tx_u_index = 0; /* Transmit User Queue Index */
927 #if defined(CONFIG_440) && !defined(CONFIG_440SP) && !defined(CONFIG_440SPE)
929 /* NOTE: 440GX spec states that mode is mutually exclusive */
930 /* NOTE: Therefore, disable all other EMACS, since we handle */
931 /* NOTE: only one emac at a time */
933 out_be32((void *)ZMII0_FER, 0);
936 #if defined(CONFIG_440GP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
937 out_be32((void *)ZMII0_FER, (ZMII_FER_RMII | ZMII_FER_MDI) << ZMII_FER_V (devnum));
938 #elif defined(CONFIG_440GX) || \
939 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
940 defined(CONFIG_460EX) || defined(CONFIG_460GT)
941 ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis);
944 out_be32((void *)ZMII0_SSR, ZMII0_SSR_SP << ZMII0_SSR_V(devnum));
945 #endif /* defined(CONFIG_440) && !defined(CONFIG_440SP) */
946 #if defined(CONFIG_405EX)
947 ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis);
952 /* provide clocks for EMAC internal loopback */
953 emac_loopback_enable(hw_p);
956 out_be32((void *)EMAC0_MR0 + hw_p->hw_addr, EMAC_MR0_SRST);
958 /* remove clocks for EMAC internal loopback */
959 emac_loopback_disable(hw_p);
962 while ((in_be32((void *)EMAC0_MR0 + hw_p->hw_addr) & (EMAC_MR0_SRST)) && failsafe) {
967 printf("\nProblem resetting EMAC!\n");
969 #if defined(CONFIG_440GX) || \
970 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
971 defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
972 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
973 defined(CONFIG_405EX)
974 /* Whack the M1 register */
976 mode_reg &= ~0x00000038;
977 opbfreq = sysinfo.freqOPB / 1000000;
979 else if (opbfreq <= 66)
980 mode_reg |= EMAC_MR1_OBCI_66;
981 else if (opbfreq <= 83)
982 mode_reg |= EMAC_MR1_OBCI_83;
983 else if (opbfreq <= 100)
984 mode_reg |= EMAC_MR1_OBCI_100;
986 mode_reg |= EMAC_MR1_OBCI_GT100;
988 out_be32((void *)EMAC0_MR1 + hw_p->hw_addr, mode_reg);
989 #endif /* defined(CONFIG_440GX) || defined(CONFIG_440SP) */
991 #if defined(CONFIG_GPCS_PHY_ADDR) || defined(CONFIG_GPCS_PHY1_ADDR) || \
992 defined(CONFIG_GPCS_PHY2_ADDR) || defined(CONFIG_GPCS_PHY3_ADDR)
993 if (bis->bi_phymode[devnum] == BI_PHYMODE_SGMII) {
995 * In SGMII mode, GPCS access is needed for
996 * communication with the internal SGMII SerDes.
999 #if defined(CONFIG_GPCS_PHY_ADDR)
1001 reg = CONFIG_GPCS_PHY_ADDR;
1004 #if defined(CONFIG_GPCS_PHY1_ADDR)
1006 reg = CONFIG_GPCS_PHY1_ADDR;
1009 #if defined(CONFIG_GPCS_PHY2_ADDR)
1011 reg = CONFIG_GPCS_PHY2_ADDR;
1014 #if defined(CONFIG_GPCS_PHY3_ADDR)
1016 reg = CONFIG_GPCS_PHY3_ADDR;
1021 mode_reg = in_be32((void *)EMAC0_MR1 + hw_p->hw_addr);
1022 mode_reg |= EMAC_MR1_MF_1000GPCS | EMAC_MR1_IPPA_SET(reg);
1023 out_be32((void *)EMAC0_MR1 + hw_p->hw_addr, mode_reg);
1025 /* Configure GPCS interface to recommended setting for SGMII */
1026 miiphy_reset(dev->name, reg);
1027 miiphy_write(dev->name, reg, 0x04, 0x8120); /* AsymPause, FDX */
1028 miiphy_write(dev->name, reg, 0x07, 0x2801); /* msg_pg, toggle */
1029 miiphy_write(dev->name, reg, 0x00, 0x0140); /* 1Gbps, FDX */
1031 #endif /* defined(CONFIG_GPCS_PHY_ADDR) */
1033 /* wait for PHY to complete auto negotiation */
1037 reg = CONFIG_PHY_ADDR;
1039 #if defined (CONFIG_PHY1_ADDR)
1041 reg = CONFIG_PHY1_ADDR;
1044 #if defined (CONFIG_PHY2_ADDR)
1046 reg = CONFIG_PHY2_ADDR;
1049 #if defined (CONFIG_PHY3_ADDR)
1051 reg = CONFIG_PHY3_ADDR;
1055 reg = CONFIG_PHY_ADDR;
1059 bis->bi_phynum[devnum] = reg;
1061 if (reg == CONFIG_FIXED_PHY)
1064 #if defined(CONFIG_PHY_RESET)
1066 * Reset the phy, only if its the first time through
1067 * otherwise, just check the speeds & feeds
1069 if (hw_p->first_init == 0) {
1070 #if defined(CONFIG_M88E1111_PHY)
1071 miiphy_write (dev->name, reg, 0x14, 0x0ce3);
1072 miiphy_write (dev->name, reg, 0x18, 0x4101);
1073 miiphy_write (dev->name, reg, 0x09, 0x0e00);
1074 miiphy_write (dev->name, reg, 0x04, 0x01e1);
1075 #if defined(CONFIG_M88E1111_DISABLE_FIBER)
1076 miiphy_read(dev->name, reg, 0x1b, ®_short);
1077 reg_short |= 0x8000;
1078 miiphy_write(dev->name, reg, 0x1b, reg_short);
1081 #if defined(CONFIG_M88E1112_PHY)
1082 if (bis->bi_phymode[devnum] == BI_PHYMODE_SGMII) {
1084 * Marvell 88E1112 PHY needs to have the SGMII MAC
1085 * interace (page 2) properly configured to
1086 * communicate with the 460EX/GT GPCS interface.
1089 /* Set access to Page 2 */
1090 miiphy_write(dev->name, reg, 0x16, 0x0002);
1092 miiphy_write(dev->name, reg, 0x00, 0x0040); /* 1Gbps */
1093 miiphy_read(dev->name, reg, 0x1a, ®_short);
1094 reg_short |= 0x8000; /* bypass Auto-Negotiation */
1095 miiphy_write(dev->name, reg, 0x1a, reg_short);
1096 miiphy_reset(dev->name, reg); /* reset MAC interface */
1098 /* Reset access to Page 0 */
1099 miiphy_write(dev->name, reg, 0x16, 0x0000);
1101 #endif /* defined(CONFIG_M88E1112_PHY) */
1102 miiphy_reset (dev->name, reg);
1104 #if defined(CONFIG_440GX) || \
1105 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
1106 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
1107 defined(CONFIG_405EX)
1109 #if defined(CONFIG_CIS8201_PHY)
1111 * Cicada 8201 PHY needs to have an extended register whacked
1114 if (((devnum == 2) || (devnum == 3)) && (4 == ethgroup)) {
1115 #if defined(CONFIG_CIS8201_SHORT_ETCH)
1116 miiphy_write (dev->name, reg, 23, 0x1300);
1118 miiphy_write (dev->name, reg, 23, 0x1000);
1121 * Vitesse VSC8201/Cicada CIS8201 errata:
1122 * Interoperability problem with Intel 82547EI phys
1123 * This work around (provided by Vitesse) changes
1124 * the default timer convergence from 8ms to 12ms
1126 miiphy_write (dev->name, reg, 0x1f, 0x2a30);
1127 miiphy_write (dev->name, reg, 0x08, 0x0200);
1128 miiphy_write (dev->name, reg, 0x1f, 0x52b5);
1129 miiphy_write (dev->name, reg, 0x02, 0x0004);
1130 miiphy_write (dev->name, reg, 0x01, 0x0671);
1131 miiphy_write (dev->name, reg, 0x00, 0x8fae);
1132 miiphy_write (dev->name, reg, 0x1f, 0x2a30);
1133 miiphy_write (dev->name, reg, 0x08, 0x0000);
1134 miiphy_write (dev->name, reg, 0x1f, 0x0000);
1135 /* end Vitesse/Cicada errata */
1137 #endif /* defined(CONFIG_CIS8201_PHY) */
1139 #if defined(CONFIG_ET1011C_PHY)
1141 * Agere ET1011c PHY needs to have an extended register whacked
1144 if (((devnum == 2) || (devnum ==3)) && (4 == ethgroup)) {
1145 miiphy_read (dev->name, reg, 0x16, ®_short);
1146 reg_short &= ~(0x7);
1147 reg_short |= 0x6; /* RGMII DLL Delay*/
1148 miiphy_write (dev->name, reg, 0x16, reg_short);
1150 miiphy_read (dev->name, reg, 0x17, ®_short);
1151 reg_short &= ~(0x40);
1152 miiphy_write (dev->name, reg, 0x17, reg_short);
1154 miiphy_write(dev->name, reg, 0x1c, 0x74f0);
1156 #endif /* defined(CONFIG_ET1011C_PHY) */
1158 #endif /* defined(CONFIG_440GX) ... */
1159 /* Start/Restart autonegotiation */
1160 phy_setup_aneg (dev->name, reg);
1163 #endif /* defined(CONFIG_PHY_RESET) */
1165 miiphy_read (dev->name, reg, MII_BMSR, ®_short);
1168 * Wait if PHY is capable of autonegotiation and autonegotiation is not complete
1170 if ((reg_short & BMSR_ANEGCAPABLE)
1171 && !(reg_short & BMSR_ANEGCOMPLETE)) {
1172 puts ("Waiting for PHY auto negotiation to complete");
1174 while (!(reg_short & BMSR_ANEGCOMPLETE)) {
1178 if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
1179 puts (" TIMEOUT !\n");
1183 if ((i++ % 1000) == 0) {
1186 udelay (1000); /* 1 ms */
1187 miiphy_read (dev->name, reg, MII_BMSR, ®_short);
1190 udelay (500000); /* another 500 ms (results in faster booting) */
1194 if (reg == CONFIG_FIXED_PHY) {
1195 for (i = 0; i < ARRAY_SIZE(fixed_phy_port); i++) {
1196 if (devnum == fixed_phy_port[i].devnum) {
1197 speed = fixed_phy_port[i].speed;
1198 duplex = fixed_phy_port[i].duplex;
1203 if (i == ARRAY_SIZE(fixed_phy_port)) {
1204 printf("ERROR: PHY (%s) not configured correctly!\n",
1209 speed = miiphy_speed(dev->name, reg);
1210 duplex = miiphy_duplex(dev->name, reg);
1213 if (hw_p->print_speed) {
1214 hw_p->print_speed = 0;
1215 printf ("ENET Speed is %d Mbps - %s duplex connection (EMAC%d)\n",
1216 (int) speed, (duplex == HALF) ? "HALF" : "FULL",
1220 #if defined(CONFIG_440) && \
1221 !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \
1222 !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX) && \
1223 !defined(CONFIG_460EX) && !defined(CONFIG_460GT)
1224 #if defined(CONFIG_440EP) || defined(CONFIG_440GR)
1225 mfsdr(SDR0_MFR, reg);
1227 reg = (reg & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_RMII_100M;
1229 reg = (reg & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_RMII_10M;
1231 mtsdr(SDR0_MFR, reg);
1234 /* Set ZMII/RGMII speed according to the phy link speed */
1235 reg = in_be32((void *)ZMII0_SSR);
1236 if ( (speed == 100) || (speed == 1000) )
1237 out_be32((void *)ZMII0_SSR, reg | (ZMII0_SSR_SP << ZMII0_SSR_V (devnum)));
1239 out_be32((void *)ZMII0_SSR, reg & (~(ZMII0_SSR_SP << ZMII0_SSR_V (devnum))));
1241 if ((devnum == 2) || (devnum == 3)) {
1243 reg = (RGMII_SSR_SP_1000MBPS << RGMII_SSR_V (devnum));
1244 else if (speed == 100)
1245 reg = (RGMII_SSR_SP_100MBPS << RGMII_SSR_V (devnum));
1246 else if (speed == 10)
1247 reg = (RGMII_SSR_SP_10MBPS << RGMII_SSR_V (devnum));
1249 printf("Error in RGMII Speed\n");
1252 out_be32((void *)RGMII_SSR, reg);
1254 #endif /* defined(CONFIG_440) && !defined(CONFIG_440SP) */
1256 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
1257 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
1258 defined(CONFIG_405EX)
1260 rgmii_channel = devnum - 2;
1262 rgmii_channel = devnum;
1265 reg = (RGMII_SSR_SP_1000MBPS << RGMII_SSR_V(rgmii_channel));
1266 else if (speed == 100)
1267 reg = (RGMII_SSR_SP_100MBPS << RGMII_SSR_V(rgmii_channel));
1268 else if (speed == 10)
1269 reg = (RGMII_SSR_SP_10MBPS << RGMII_SSR_V(rgmii_channel));
1271 printf("Error in RGMII Speed\n");
1274 out_be32((void *)RGMII_SSR, reg);
1275 #if defined(CONFIG_460GT)
1276 if ((devnum == 2) || (devnum == 3))
1277 out_be32((void *)RGMII_SSR + RGMII1_BASE_OFFSET, reg);
1281 /* set the Mal configuration reg */
1282 #if defined(CONFIG_440GX) || \
1283 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
1284 defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
1285 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
1286 defined(CONFIG_405EX)
1287 mtdcr (MAL0_CFG, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA |
1288 MAL_CR_PLBLT_DEFAULT | MAL_CR_EOPIE | 0x00330000);
1290 mtdcr (MAL0_CFG, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT);
1291 /* Errata 1.12: MAL_1 -- Disable MAL bursting */
1292 if (get_pvr() == PVR_440GP_RB) {
1293 mtdcr (MAL0_CFG, mfdcr(MAL0_CFG) & ~MAL_CR_PLBB);
1298 * Malloc MAL buffer desciptors, make sure they are
1299 * aligned on cache line boundary size
1300 * (401/403/IOP480 = 16, 405 = 32)
1301 * and doesn't cross cache block boundaries.
1303 if (hw_p->first_init == 0) {
1304 debug("*** Allocating descriptor memory ***\n");
1306 bd_cached = (u32)malloc_aligned(MAL_ALLOC_SIZE, 4096);
1308 printf("%s: Error allocating MAL descriptor buffers!\n", __func__);
1312 #ifdef CONFIG_4xx_DCACHE
1313 flush_dcache_range(bd_cached, bd_cached + MAL_ALLOC_SIZE);
1315 #if defined(CONFIG_SYS_MEM_TOP_HIDE)
1316 bd_uncached = bis->bi_memsize + CONFIG_SYS_MEM_TOP_HIDE;
1318 bd_uncached = bis->bi_memsize;
1321 bd_uncached = last_used_ea + MAL_ALLOC_SIZE;
1323 last_used_ea = bd_uncached;
1324 program_tlb(bd_cached, bd_uncached, MAL_ALLOC_SIZE,
1325 TLB_WORD2_I_ENABLE);
1327 bd_uncached = bd_cached;
1329 hw_p->tx_phys = bd_cached;
1330 hw_p->rx_phys = bd_cached + MAL_TX_DESC_SIZE;
1331 hw_p->tx = (mal_desc_t *)(bd_uncached);
1332 hw_p->rx = (mal_desc_t *)(bd_uncached + MAL_TX_DESC_SIZE);
1333 debug("hw_p->tx=%p, hw_p->rx=%p\n", hw_p->tx, hw_p->rx);
1336 for (i = 0; i < NUM_TX_BUFF; i++) {
1337 hw_p->tx[i].ctrl = 0;
1338 hw_p->tx[i].data_len = 0;
1339 if (hw_p->first_init == 0)
1340 hw_p->txbuf_ptr = malloc_aligned(MAL_ALLOC_SIZE,
1342 hw_p->tx[i].data_ptr = hw_p->txbuf_ptr;
1343 if ((NUM_TX_BUFF - 1) == i)
1344 hw_p->tx[i].ctrl |= MAL_TX_CTRL_WRAP;
1345 hw_p->tx_run[i] = -1;
1346 debug("TX_BUFF %d @ 0x%08x\n", i, (u32)hw_p->tx[i].data_ptr);
1349 for (i = 0; i < NUM_RX_BUFF; i++) {
1350 hw_p->rx[i].ctrl = 0;
1351 hw_p->rx[i].data_len = 0;
1352 hw_p->rx[i].data_ptr = (char *)net_rx_packets[i];
1353 if ((NUM_RX_BUFF - 1) == i)
1354 hw_p->rx[i].ctrl |= MAL_RX_CTRL_WRAP;
1355 hw_p->rx[i].ctrl |= MAL_RX_CTRL_EMPTY | MAL_RX_CTRL_INTR;
1356 hw_p->rx_ready[i] = -1;
1357 debug("RX_BUFF %d @ 0x%08x\n", i, (u32)hw_p->rx[i].data_ptr);
1362 reg |= dev->enetaddr[0]; /* set high address */
1364 reg |= dev->enetaddr[1];
1366 out_be32((void *)EMAC0_IAH + hw_p->hw_addr, reg);
1369 reg |= dev->enetaddr[2]; /* set low address */
1371 reg |= dev->enetaddr[3];
1373 reg |= dev->enetaddr[4];
1375 reg |= dev->enetaddr[5];
1377 out_be32((void *)EMAC0_IAL + hw_p->hw_addr, reg);
1381 /* setup MAL tx & rx channel pointers */
1382 #if defined (CONFIG_405EP) || defined (CONFIG_440EP) || defined (CONFIG_440GR)
1383 mtdcr (MAL0_TXCTP2R, hw_p->tx_phys);
1385 mtdcr (MAL0_TXCTP1R, hw_p->tx_phys);
1387 #if defined(CONFIG_440)
1388 mtdcr (MAL0_TXBADDR, 0x0);
1389 mtdcr (MAL0_RXBADDR, 0x0);
1392 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
1393 mtdcr (MAL0_RXCTP8R, hw_p->rx_phys);
1394 /* set RX buffer size */
1395 mtdcr (MAL0_RCBS8, ENET_MAX_MTU_ALIGNED / 16);
1397 mtdcr (MAL0_RXCTP1R, hw_p->rx_phys);
1398 /* set RX buffer size */
1399 mtdcr (MAL0_RCBS1, ENET_MAX_MTU_ALIGNED / 16);
1402 #if defined (CONFIG_440GX)
1404 /* setup MAL tx & rx channel pointers */
1405 mtdcr (MAL0_TXBADDR, 0x0);
1406 mtdcr (MAL0_RXBADDR, 0x0);
1407 mtdcr (MAL0_TXCTP2R, hw_p->tx_phys);
1408 mtdcr (MAL0_RXCTP2R, hw_p->rx_phys);
1409 /* set RX buffer size */
1410 mtdcr (MAL0_RCBS2, ENET_MAX_MTU_ALIGNED / 16);
1413 /* setup MAL tx & rx channel pointers */
1414 mtdcr (MAL0_TXBADDR, 0x0);
1415 mtdcr (MAL0_TXCTP3R, hw_p->tx_phys);
1416 mtdcr (MAL0_RXBADDR, 0x0);
1417 mtdcr (MAL0_RXCTP3R, hw_p->rx_phys);
1418 /* set RX buffer size */
1419 mtdcr (MAL0_RCBS3, ENET_MAX_MTU_ALIGNED / 16);
1421 #endif /* CONFIG_440GX */
1422 #if defined (CONFIG_460GT)
1424 /* setup MAL tx & rx channel pointers */
1425 mtdcr (MAL0_TXBADDR, 0x0);
1426 mtdcr (MAL0_RXBADDR, 0x0);
1427 mtdcr (MAL0_TXCTP2R, hw_p->tx_phys);
1428 mtdcr (MAL0_RXCTP16R, hw_p->rx_phys);
1429 /* set RX buffer size */
1430 mtdcr (MAL0_RCBS16, ENET_MAX_MTU_ALIGNED / 16);
1433 /* setup MAL tx & rx channel pointers */
1434 mtdcr (MAL0_TXBADDR, 0x0);
1435 mtdcr (MAL0_RXBADDR, 0x0);
1436 mtdcr (MAL0_TXCTP3R, hw_p->tx_phys);
1437 mtdcr (MAL0_RXCTP24R, hw_p->rx_phys);
1438 /* set RX buffer size */
1439 mtdcr (MAL0_RCBS24, ENET_MAX_MTU_ALIGNED / 16);
1441 #endif /* CONFIG_460GT */
1444 /* setup MAL tx & rx channel pointers */
1445 #if defined(CONFIG_440)
1446 mtdcr (MAL0_TXBADDR, 0x0);
1447 mtdcr (MAL0_RXBADDR, 0x0);
1449 mtdcr (MAL0_TXCTP0R, hw_p->tx_phys);
1450 mtdcr (MAL0_RXCTP0R, hw_p->rx_phys);
1451 /* set RX buffer size */
1452 mtdcr (MAL0_RCBS0, ENET_MAX_MTU_ALIGNED / 16);
1456 /* Enable MAL transmit and receive channels */
1457 #if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
1458 mtdcr (MAL0_TXCASR, (MAL_TXRX_CASR >> (hw_p->devnum*2)));
1460 mtdcr (MAL0_TXCASR, (MAL_TXRX_CASR >> hw_p->devnum));
1462 mtdcr (MAL0_RXCASR, (MAL_TXRX_CASR >> hw_p->devnum));
1464 /* set transmit enable & receive enable */
1465 out_be32((void *)EMAC0_MR0 + hw_p->hw_addr, EMAC_MR0_TXE | EMAC_MR0_RXE);
1467 mode_reg = in_be32((void *)EMAC0_MR1 + hw_p->hw_addr);
1469 /* set rx-/tx-fifo size */
1470 mode_reg = (mode_reg & ~EMAC_MR1_FIFO_MASK) | EMAC_MR1_FIFO_SIZE;
1473 if (speed == _1000BASET) {
1474 #if defined(CONFIG_440SP) || defined(CONFIG_440SPE)
1477 mfsdr (SDR0_PFC1, pfc1);
1478 pfc1 |= SDR0_PFC1_EM_1000;
1479 mtsdr (SDR0_PFC1, pfc1);
1481 mode_reg = mode_reg | EMAC_MR1_MF_1000MBPS | EMAC_MR1_IST;
1482 } else if (speed == _100BASET)
1483 mode_reg = mode_reg | EMAC_MR1_MF_100MBPS | EMAC_MR1_IST;
1485 mode_reg = mode_reg & ~0x00C00000; /* 10 MBPS */
1487 mode_reg = mode_reg | 0x80000000 | EMAC_MR1_IST;
1489 out_be32((void *)EMAC0_MR1 + hw_p->hw_addr, mode_reg);
1491 /* Enable broadcast and indvidual address */
1492 /* TBS: enabling runts as some misbehaved nics will send runts */
1493 out_be32((void *)EMAC0_RXM + hw_p->hw_addr, EMAC_RMR_BAE | EMAC_RMR_IAE);
1495 /* we probably need to set the tx mode1 reg? maybe at tx time */
1497 /* set transmit request threshold register */
1498 out_be32((void *)EMAC0_TRTR + hw_p->hw_addr, 0x18000000); /* 256 byte threshold */
1500 /* set receive low/high water mark register */
1501 #if defined(CONFIG_440)
1502 /* 440s has a 64 byte burst length */
1503 out_be32((void *)EMAC0_RX_HI_LO_WMARK + hw_p->hw_addr, 0x80009000);
1505 /* 405s have a 16 byte burst length */
1506 out_be32((void *)EMAC0_RX_HI_LO_WMARK + hw_p->hw_addr, 0x0f002000);
1507 #endif /* defined(CONFIG_440) */
1508 out_be32((void *)EMAC0_TMR1 + hw_p->hw_addr, 0xf8640000);
1510 /* Set fifo limit entry in tx mode 0 */
1511 out_be32((void *)EMAC0_TMR0 + hw_p->hw_addr, 0x00000003);
1513 out_be32((void *)EMAC0_I_FRAME_GAP_REG + hw_p->hw_addr, 0x00000008);
1516 hw_p->emac_ier = EMAC_ISR_PTLE | EMAC_ISR_BFCS | EMAC_ISR_ORE | EMAC_ISR_IRE;
1517 if (speed == _100BASET)
1518 hw_p->emac_ier = hw_p->emac_ier | EMAC_ISR_SYE;
1520 out_be32((void *)EMAC0_ISR + hw_p->hw_addr, 0xffffffff); /* clear pending interrupts */
1521 out_be32((void *)EMAC0_IER + hw_p->hw_addr, hw_p->emac_ier);
1523 if (hw_p->first_init == 0) {
1525 * Connect interrupt service routines
1527 irq_install_handler(ETH_IRQ_NUM(hw_p->devnum),
1528 (interrupt_handler_t *) enetInt, dev);
1531 mtmsr (msr); /* enable interrupts again */
1534 hw_p->first_init = 1;
1540 static int ppc_4xx_eth_send(struct eth_device *dev, void *ptr, int len)
1542 struct enet_frame *ef_ptr;
1543 ulong time_start, time_now;
1544 unsigned long temp_txm0;
1545 EMAC_4XX_HW_PST hw_p = dev->priv;
1547 ef_ptr = (struct enet_frame *) ptr;
1549 /*-----------------------------------------------------------------------+
1550 * Copy in our address into the frame.
1551 *-----------------------------------------------------------------------*/
1552 (void) memcpy (ef_ptr->source_addr, dev->enetaddr, ENET_ADDR_LENGTH);
1554 /*-----------------------------------------------------------------------+
1555 * If frame is too long or too short, modify length.
1556 *-----------------------------------------------------------------------*/
1557 /* TBS: where does the fragment go???? */
1558 if (len > ENET_MAX_MTU)
1561 /* memcpy ((void *) &tx_buff[tx_slot], (const void *) ptr, len); */
1562 memcpy ((void *) hw_p->txbuf_ptr, (const void *) ptr, len);
1563 flush_dcache_range((u32)hw_p->txbuf_ptr, (u32)hw_p->txbuf_ptr + len);
1565 /*-----------------------------------------------------------------------+
1566 * set TX Buffer busy, and send it
1567 *-----------------------------------------------------------------------*/
1568 hw_p->tx[hw_p->tx_slot].ctrl = (MAL_TX_CTRL_LAST |
1569 EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP) &
1570 ~(EMAC_TX_CTRL_ISA | EMAC_TX_CTRL_RSA);
1571 if ((NUM_TX_BUFF - 1) == hw_p->tx_slot)
1572 hw_p->tx[hw_p->tx_slot].ctrl |= MAL_TX_CTRL_WRAP;
1574 hw_p->tx[hw_p->tx_slot].data_len = (short) len;
1575 hw_p->tx[hw_p->tx_slot].ctrl |= MAL_TX_CTRL_READY;
1579 out_be32((void *)EMAC0_TMR0 + hw_p->hw_addr,
1580 in_be32((void *)EMAC0_TMR0 + hw_p->hw_addr) | EMAC_TMR0_GNP0);
1581 #ifdef INFO_4XX_ENET
1582 hw_p->stats.pkts_tx++;
1585 /*-----------------------------------------------------------------------+
1586 * poll unitl the packet is sent and then make sure it is OK
1587 *-----------------------------------------------------------------------*/
1588 time_start = get_timer (0);
1590 temp_txm0 = in_be32((void *)EMAC0_TMR0 + hw_p->hw_addr);
1591 /* loop until either TINT turns on or 3 seconds elapse */
1592 if ((temp_txm0 & EMAC_TMR0_GNP0) != 0) {
1593 /* transmit is done, so now check for errors
1594 * If there is an error, an interrupt should
1595 * happen when we return
1597 time_now = get_timer (0);
1598 if ((time_now - time_start) > 3000) {
1607 int enetInt (struct eth_device *dev)
1610 int rc = -1; /* default to not us */
1618 EMAC_4XX_HW_PST hw_p;
1621 * Because the mal is generic, we need to get the current
1624 dev = eth_get_dev();
1628 /* enter loop that stays in interrupt code until nothing to service */
1632 uic_mal = mfdcr(UIC_BASE_MAL + UIC_MSR);
1633 uic_mal_err = mfdcr(UIC_BASE_MAL_ERR + UIC_MSR);
1634 uic_emac = mfdcr(UIC_BASE_EMAC + UIC_MSR);
1635 uic_emac_b = mfdcr(UIC_BASE_EMAC_B + UIC_MSR);
1637 if (!(uic_mal & (UIC_MAL_RXEOB | UIC_MAL_TXEOB))
1638 && !(uic_mal_err & (UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE))
1639 && !(uic_emac & UIC_ETHx) && !(uic_emac_b & UIC_ETHxB)) {
1644 /* get and clear controller status interrupts */
1645 /* look at MAL and EMAC error interrupts */
1646 if (uic_mal_err & (UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE)) {
1647 /* we have a MAL error interrupt */
1648 mal_isr = mfdcr(MAL0_ESR);
1649 mal_err(dev, mal_isr, uic_mal_err,
1650 MAL_UIC_DEF, MAL_UIC_ERR);
1652 /* clear MAL error interrupt status bits */
1653 mtdcr(UIC_BASE_MAL_ERR + UIC_SR,
1654 UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE);
1659 /* look for EMAC errors */
1660 if ((uic_emac & UIC_ETHx) || (uic_emac_b & UIC_ETHxB)) {
1661 emac_isr = in_be32((void *)EMAC0_ISR + hw_p->hw_addr);
1662 emac_err(dev, emac_isr);
1664 /* clear EMAC error interrupt status bits */
1665 mtdcr(UIC_BASE_EMAC + UIC_SR, UIC_ETHx);
1666 mtdcr(UIC_BASE_EMAC_B + UIC_SR, UIC_ETHxB);
1671 /* handle MAX TX EOB interrupt from a tx */
1672 if (uic_mal & UIC_MAL_TXEOB) {
1673 /* clear MAL interrupt status bits */
1674 mal_eob = mfdcr(MAL0_TXEOBISR);
1675 mtdcr(MAL0_TXEOBISR, mal_eob);
1676 mtdcr(UIC_BASE_MAL + UIC_SR, UIC_MAL_TXEOB);
1678 /* indicate that we serviced an interrupt */
1683 /* handle MAL RX EOB interrupt from a receive */
1684 /* check for EOB on valid channels */
1685 if (uic_mal & UIC_MAL_RXEOB) {
1686 mal_eob = mfdcr(MAL0_RXEOBISR);
1688 (0x80000000 >> (hw_p->devnum * MAL_RX_CHAN_MUL))) {
1689 /* push packet to upper layer */
1690 enet_rcv(dev, emac_isr);
1692 /* clear MAL interrupt status bits */
1693 mtdcr(UIC_BASE_MAL + UIC_SR, UIC_MAL_RXEOB);
1695 /* indicate that we serviced an interrupt */
1700 #if defined(CONFIG_405EZ)
1702 * On 405EZ the RX-/TX-interrupts are coalesced into
1703 * one IRQ bit in the UIC. We need to acknowledge the
1704 * RX-/TX-interrupts in the SDR0_ICINTSTAT reg as well.
1706 mtsdr(SDR0_ICINTSTAT,
1707 SDR_ICRX_STAT | SDR_ICTX0_STAT | SDR_ICTX1_STAT);
1708 #endif /* defined(CONFIG_405EZ) */
1714 /*-----------------------------------------------------------------------------+
1716 *-----------------------------------------------------------------------------*/
1717 static void mal_err (struct eth_device *dev, unsigned long isr,
1718 unsigned long uic, unsigned long maldef,
1719 unsigned long mal_errr)
1721 mtdcr (MAL0_ESR, isr); /* clear interrupt */
1723 /* clear DE interrupt */
1724 mtdcr (MAL0_TXDEIR, 0xC0000000);
1725 mtdcr (MAL0_RXDEIR, 0x80000000);
1727 #ifdef INFO_4XX_ENET
1728 printf("\nMAL error occurred.... ISR = %lx UIC = = %lx MAL_DEF = %lx MAL_ERR= %lx\n",
1729 isr, uic, maldef, mal_errr);
1732 eth_init(); /* start again... */
1735 /*-----------------------------------------------------------------------------+
1736 * EMAC Error Routine
1737 *-----------------------------------------------------------------------------*/
1738 static void emac_err (struct eth_device *dev, unsigned long isr)
1740 EMAC_4XX_HW_PST hw_p = dev->priv;
1742 printf ("EMAC%d error occurred.... ISR = %lx\n", hw_p->devnum, isr);
1743 out_be32((void *)EMAC0_ISR + hw_p->hw_addr, isr);
1746 /*-----------------------------------------------------------------------------+
1747 * enet_rcv() handles the ethernet receive data
1748 *-----------------------------------------------------------------------------*/
1749 static void enet_rcv (struct eth_device *dev, unsigned long malisr)
1751 unsigned long data_len;
1752 unsigned long rx_eob_isr;
1753 EMAC_4XX_HW_PST hw_p = dev->priv;
1759 rx_eob_isr = mfdcr (MAL0_RXEOBISR);
1760 if ((0x80000000 >> (hw_p->devnum * MAL_RX_CHAN_MUL)) & rx_eob_isr) {
1762 mtdcr (MAL0_RXEOBISR, rx_eob_isr);
1765 while (1) { /* do all */
1768 if ((MAL_RX_CTRL_EMPTY & hw_p->rx[i].ctrl)
1769 || (loop_count >= NUM_RX_BUFF))
1774 data_len = (unsigned long) hw_p->rx[i].data_len & 0x0fff; /* Get len */
1776 if (data_len > ENET_MAX_MTU) /* Check len */
1779 if (EMAC_RX_ERRORS & hw_p->rx[i].ctrl) { /* Check Errors */
1781 hw_p->stats.rx_err_log[hw_p->
1784 hw_p->rx_err_index++;
1785 if (hw_p->rx_err_index ==
1787 hw_p->rx_err_index =
1790 } /* data_len < max mtu */
1792 if (!data_len) { /* no data */
1793 hw_p->rx[i].ctrl |= MAL_RX_CTRL_EMPTY; /* Free Recv Buffer */
1795 hw_p->stats.data_len_err++; /* Error at Rx */
1800 /* Check if user has already eaten buffer */
1801 /* if not => ERROR */
1802 else if (hw_p->rx_ready[hw_p->rx_i_index] != -1) {
1803 if (hw_p->is_receiving)
1804 printf ("ERROR : Receive buffers are full!\n");
1807 hw_p->stats.rx_frames++;
1808 hw_p->stats.rx += data_len;
1809 #ifdef INFO_4XX_ENET
1810 hw_p->stats.pkts_rx++;
1815 hw_p->rx_ready[hw_p->rx_i_index] = i;
1817 if (NUM_RX_BUFF == hw_p->rx_i_index)
1818 hw_p->rx_i_index = 0;
1821 if (NUM_RX_BUFF == hw_p->rx_slot)
1825 * free receive buffer only when
1826 * buffer has been handled (eth_rx)
1827 rx[i].ctrl |= MAL_RX_CTRL_EMPTY;
1831 } /* if EMACK_RXCHL */
1835 static int ppc_4xx_eth_rx (struct eth_device *dev)
1840 EMAC_4XX_HW_PST hw_p = dev->priv;
1842 hw_p->is_receiving = 1; /* tell driver */
1846 * use ring buffer and
1847 * get index from rx buffer desciptor queue
1849 user_index = hw_p->rx_ready[hw_p->rx_u_index];
1850 if (user_index == -1) {
1852 break; /* nothing received - leave for() loop */
1856 mtmsr (msr & ~(MSR_EE));
1858 length = hw_p->rx[user_index].data_len & 0x0fff;
1861 * Pass the packet up to the protocol layers.
1862 * net_process_received_packet(net_rx_packets[rxIdx],
1864 * net_process_received_packet(net_rx_packets[i], length);
1866 invalidate_dcache_range((u32)hw_p->rx[user_index].data_ptr,
1867 (u32)hw_p->rx[user_index].data_ptr +
1869 net_process_received_packet(net_rx_packets[user_index],
1871 /* Free Recv Buffer */
1872 hw_p->rx[user_index].ctrl |= MAL_RX_CTRL_EMPTY;
1873 /* Free rx buffer descriptor queue */
1874 hw_p->rx_ready[hw_p->rx_u_index] = -1;
1876 if (NUM_RX_BUFF == hw_p->rx_u_index)
1877 hw_p->rx_u_index = 0;
1879 #ifdef INFO_4XX_ENET
1880 hw_p->stats.pkts_handled++;
1883 mtmsr (msr); /* Enable IRQ's */
1886 hw_p->is_receiving = 0; /* tell driver */
1891 int ppc_4xx_eth_initialize (bd_t * bis)
1893 static int virgin = 0;
1894 struct eth_device *dev;
1896 EMAC_4XX_HW_PST hw = NULL;
1897 u8 ethaddr[4 + CONFIG_EMAC_NR_START][6];
1901 #if defined(CONFIG_440GX)
1904 mfsdr (SDR0_PFC1, pfc1);
1905 pfc1 &= ~(0x01e00000);
1907 mtsdr (SDR0_PFC1, pfc1);
1910 /* first clear all mac-addresses */
1911 for (eth_num = 0; eth_num < LAST_EMAC_NUM; eth_num++)
1912 memcpy(ethaddr[eth_num], "\0\0\0\0\0\0", 6);
1914 for (eth_num = 0; eth_num < LAST_EMAC_NUM; eth_num++) {
1915 int ethaddr_idx = eth_num + CONFIG_EMAC_NR_START;
1917 default: /* fall through */
1919 eth_getenv_enetaddr("ethaddr", ethaddr[ethaddr_idx]);
1920 hw_addr[eth_num] = 0x0;
1922 #ifdef CONFIG_HAS_ETH1
1924 eth_getenv_enetaddr("eth1addr", ethaddr[ethaddr_idx]);
1925 hw_addr[eth_num] = 0x100;
1928 #ifdef CONFIG_HAS_ETH2
1930 eth_getenv_enetaddr("eth2addr", ethaddr[ethaddr_idx]);
1931 #if defined(CONFIG_460GT)
1932 hw_addr[eth_num] = 0x300;
1934 hw_addr[eth_num] = 0x400;
1938 #ifdef CONFIG_HAS_ETH3
1940 eth_getenv_enetaddr("eth3addr", ethaddr[ethaddr_idx]);
1941 #if defined(CONFIG_460GT)
1942 hw_addr[eth_num] = 0x400;
1944 hw_addr[eth_num] = 0x600;
1951 /* set phy num and mode */
1952 bis->bi_phynum[0] = CONFIG_PHY_ADDR;
1953 bis->bi_phymode[0] = 0;
1955 #if defined(CONFIG_PHY1_ADDR)
1956 bis->bi_phynum[1] = CONFIG_PHY1_ADDR;
1957 bis->bi_phymode[1] = 0;
1959 #if defined(CONFIG_440GX)
1960 bis->bi_phynum[2] = CONFIG_PHY2_ADDR;
1961 bis->bi_phynum[3] = CONFIG_PHY3_ADDR;
1962 bis->bi_phymode[2] = 2;
1963 bis->bi_phymode[3] = 2;
1966 #if defined(CONFIG_440GX) || \
1967 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
1968 defined(CONFIG_405EX)
1969 ppc_4xx_eth_setup_bridge(0, bis);
1972 for (eth_num = 0; eth_num < LAST_EMAC_NUM; eth_num++) {
1974 * See if we can actually bring up the interface,
1975 * otherwise, skip it
1977 if (memcmp (ethaddr[eth_num], "\0\0\0\0\0\0", 6) == 0) {
1978 bis->bi_phymode[eth_num] = BI_PHYMODE_NONE;
1982 /* Allocate device structure */
1983 dev = (struct eth_device *) malloc (sizeof (*dev));
1985 printf ("ppc_4xx_eth_initialize: "
1986 "Cannot allocate eth_device %d\n", eth_num);
1989 memset(dev, 0, sizeof(*dev));
1991 /* Allocate our private use data */
1992 hw = (EMAC_4XX_HW_PST) malloc (sizeof (*hw));
1994 printf ("ppc_4xx_eth_initialize: "
1995 "Cannot allocate private hw data for eth_device %d",
2000 memset(hw, 0, sizeof(*hw));
2002 hw->hw_addr = hw_addr[eth_num];
2003 memcpy (dev->enetaddr, ethaddr[eth_num], 6);
2004 hw->devnum = eth_num;
2005 hw->print_speed = 1;
2007 sprintf (dev->name, "ppc_4xx_eth%d", eth_num - CONFIG_EMAC_NR_START);
2008 dev->priv = (void *) hw;
2009 dev->init = ppc_4xx_eth_init;
2010 dev->halt = ppc_4xx_eth_halt;
2011 dev->send = ppc_4xx_eth_send;
2012 dev->recv = ppc_4xx_eth_rx;
2016 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
2018 struct mii_dev *mdiodev = mdio_alloc();
2021 strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
2022 mdiodev->read = emac4xx_miiphy_read;
2023 mdiodev->write = emac4xx_miiphy_write;
2025 retval = mdio_register(mdiodev);
2031 /* set the MAL IER ??? names may change with new spec ??? */
2032 #if defined(CONFIG_440SPE) || \
2033 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
2034 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
2035 defined(CONFIG_405EX)
2037 MAL_IER_PT | MAL_IER_PRE | MAL_IER_PWE |
2038 MAL_IER_DE | MAL_IER_OTE | MAL_IER_OE | MAL_IER_PE ;
2041 MAL_IER_DE | MAL_IER_NE | MAL_IER_TE |
2042 MAL_IER_OPBE | MAL_IER_PLBE;
2044 mtdcr (MAL0_ESR, 0xffffffff); /* clear pending interrupts */
2045 mtdcr (MAL0_TXDEIR, 0xffffffff); /* clear pending interrupts */
2046 mtdcr (MAL0_RXDEIR, 0xffffffff); /* clear pending interrupts */
2047 mtdcr (MAL0_IER, mal_ier);
2049 /* install MAL interrupt handler */
2050 irq_install_handler (VECNUM_MAL_SERR,
2051 (interrupt_handler_t *) enetInt,
2053 irq_install_handler (VECNUM_MAL_TXEOB,
2054 (interrupt_handler_t *) enetInt,
2056 irq_install_handler (VECNUM_MAL_RXEOB,
2057 (interrupt_handler_t *) enetInt,
2059 irq_install_handler (VECNUM_MAL_TXDE,
2060 (interrupt_handler_t *) enetInt,
2062 irq_install_handler (VECNUM_MAL_RXDE,
2063 (interrupt_handler_t *) enetInt,
2067 } /* end for each supported device */