1 /*-----------------------------------------------------------------------------+
3 * This source code has been made available to you by IBM on an AS-IS
4 * basis. Anyone receiving this source is licensed under IBM
5 * copyrights to use it in any way he or she deems fit, including
6 * copying it, modifying it, compiling it, and redistributing it either
7 * with or without modifications. No license under IBM patents or
8 * patent applications is to be implied by the copyright license.
10 * Any user of this software should understand that IBM cannot provide
11 * technical support for this software and will not be responsible for
12 * any consequences resulting from the use of this software.
14 * Any person who transfers this source code or any derivative work
15 * must include the IBM copyright notice, this paragraph, and the
16 * preceding two paragraphs in the transferred software.
18 * COPYRIGHT I B M CORPORATION 1995
19 * LICENSED MATERIAL - PROGRAM PROPERTY OF I B M
20 *-----------------------------------------------------------------------------*/
21 /*-----------------------------------------------------------------------------+
23 * File Name: enetemac.c
25 * Function: Device driver for the ethernet EMAC3 macro on the 405GP.
31 * Date Description of Change BY
32 * --------- --------------------- ---
33 * 05-May-99 Created MKW
34 * 27-Jun-99 Clean up JWB
35 * 16-Jul-99 Added MAL error recovery and better IP packet handling MKW
36 * 29-Jul-99 Added Full duplex support MKW
37 * 06-Aug-99 Changed names for Mal CR reg MKW
38 * 23-Aug-99 Turned off SYE when running at 10Mbs MKW
39 * 24-Aug-99 Marked descriptor empty after call_xlc MKW
40 * 07-Sep-99 Set MAL RX buffer size reg to ENET_MAX_MTU_ALIGNED / 16 MCG
41 * to avoid chaining maximum sized packets. Push starting
42 * RX descriptor address up to the next cache line boundary.
43 * 16-Jan-00 Added support for booting with IP of 0x0 MKW
44 * 15-Mar-00 Updated enetInit() to enable broadcast addresses in the
45 * EMAC_RXM register. JWB
46 * 12-Mar-01 anne-sophie.harnois@nextream.fr
47 * - Variables are compatible with those already defined in
49 * - Receive buffer descriptor ring is used to send buffers
51 * - Info print about send/received/handled packet number if
52 * INFO_405_ENET is set
53 * 17-Apr-01 stefan.roese@esd-electronics.com
54 * - MAL reset in "eth_halt" included
55 * - Enet speed and duplex output now in one line
56 * 08-May-01 stefan.roese@esd-electronics.com
57 * - MAL error handling added (eth_init called again)
58 * 13-Nov-01 stefan.roese@esd-electronics.com
59 * - Set IST bit in EMAC_M1 reg upon 100MBit or full duplex
60 * 04-Jan-02 stefan.roese@esd-electronics.com
61 * - Wait for PHY auto negotiation to complete added
62 * 06-Feb-02 stefan.roese@esd-electronics.com
63 * - Bug fixed in waiting for auto negotiation to complete
64 * 26-Feb-02 stefan.roese@esd-electronics.com
65 * - rx and tx buffer descriptors now allocated (no fixed address
67 * 17-Jun-02 stefan.roese@esd-electronics.com
68 * - MAL error debug printf 'M' removed (rx de interrupt may
69 * occur upon many incoming packets with only 4 rx buffers).
70 *-----------------------------------------------------------------------------*
71 * 17-Nov-03 travis.sawyer@sandburst.com
72 * - ported from 405gp_enet.c to utilized upto 4 EMAC ports
73 * in the 440GX. This port should work with the 440GP
75 * 15-Aug-05 sr@denx.de
76 * - merged 405gp_enet.c and 440gx_enet.c to generic 4xx_enet.c
77 now handling all 4xx cpu's.
78 *-----------------------------------------------------------------------------*/
83 #include <asm/processor.h>
85 #include <asm/cache.h>
89 #include <ppc4xx_enet.h>
95 * Only compile for platform with AMCC EMAC ethernet controller and
96 * network support enabled.
97 * Remark: CONFIG_405 describes Xilinx PPC405 FPGA without EMAC controller!
99 #if defined(CONFIG_CMD_NET) && !defined(CONFIG_405) && !defined(CONFIG_IOP480)
101 #if !(defined(CONFIG_MII) || defined(CONFIG_CMD_MII))
102 #error "CONFIG_MII has to be defined!"
105 #if defined(CONFIG_NETCONSOLE) && !defined(CONFIG_NET_MULTI)
106 #error "CONFIG_NET_MULTI has to be defined for NetConsole"
109 #define EMAC_RESET_TIMEOUT 1000 /* 1000 ms reset timeout */
110 #define PHY_AUTONEGOTIATE_TIMEOUT 5000 /* 5000 ms autonegotiate timeout */
112 /* Ethernet Transmit and Receive Buffers */
114 * In the same way ENET_MAX_MTU and ENET_MAX_MTU_ALIGNED are set from
115 * PKTSIZE and PKTSIZE_ALIGN (include/net.h)
117 #define ENET_MAX_MTU PKTSIZE
118 #define ENET_MAX_MTU_ALIGNED PKTSIZE_ALIGN
120 /*-----------------------------------------------------------------------------+
121 * Defines for MAL/EMAC interrupt conditions as reported in the UIC (Universal
122 * Interrupt Controller).
123 *-----------------------------------------------------------------------------*/
124 #define ETH_IRQ_NUM(dev) (VECNUM_ETH0 + ((dev) * VECNUM_ETH1_OFFS))
126 #if defined(CONFIG_HAS_ETH3)
127 #if !defined(CONFIG_440GX)
128 #define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)) || \
129 UIC_MASK(ETH_IRQ_NUM(2)) || UIC_MASK(ETH_IRQ_NUM(3)))
131 /* Unfortunately 440GX spreads EMAC interrupts on multiple UIC's */
132 #define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)))
133 #define UIC_ETHxB (UIC_MASK(ETH_IRQ_NUM(2)) || UIC_MASK(ETH_IRQ_NUM(3)))
134 #endif /* !defined(CONFIG_440GX) */
135 #elif defined(CONFIG_HAS_ETH2)
136 #define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)) || \
137 UIC_MASK(ETH_IRQ_NUM(2)))
138 #elif defined(CONFIG_HAS_ETH1)
139 #define UIC_ETHx (UIC_MASK(ETH_IRQ_NUM(0)) || UIC_MASK(ETH_IRQ_NUM(1)))
141 #define UIC_ETHx UIC_MASK(ETH_IRQ_NUM(0))
145 * Define a default version for UIC_ETHxB for non 440GX so that we can
146 * use common code for all 4xx variants
148 #if !defined(UIC_ETHxB)
152 #define UIC_MAL_SERR UIC_MASK(VECNUM_MAL_SERR)
153 #define UIC_MAL_TXDE UIC_MASK(VECNUM_MAL_TXDE)
154 #define UIC_MAL_RXDE UIC_MASK(VECNUM_MAL_RXDE)
155 #define UIC_MAL_TXEOB UIC_MASK(VECNUM_MAL_TXEOB)
156 #define UIC_MAL_RXEOB UIC_MASK(VECNUM_MAL_RXEOB)
158 #define MAL_UIC_ERR (UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE)
159 #define MAL_UIC_DEF (UIC_MAL_RXEOB | MAL_UIC_ERR)
162 * We have 3 different interrupt types:
163 * - MAL interrupts indicating successful transfer
164 * - MAL error interrupts indicating MAL related errors
165 * - EMAC interrupts indicating EMAC related errors
167 * All those interrupts can be on different UIC's, but since
168 * now at least all interrupts from one type are on the same
169 * UIC. Only exception is 440GX where the EMAC interrupts are
170 * spread over two UIC's!
172 #define UIC_BASE_MAL (UIC0_DCR_BASE + (UIC_NR(VECNUM_MAL_TXEOB) * 0x10))
173 #define UIC_BASE_MAL_ERR (UIC0_DCR_BASE + (UIC_NR(VECNUM_MAL_SERR) * 0x10))
174 #define UIC_BASE_EMAC (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(0)) * 0x10))
175 #if defined(CONFIG_440GX)
176 #define UIC_BASE_EMAC_B (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(2)) * 0x10))
178 #define UIC_BASE_EMAC_B (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(0)) * 0x10))
183 #define BI_PHYMODE_NONE 0
184 #define BI_PHYMODE_ZMII 1
185 #define BI_PHYMODE_RGMII 2
186 #define BI_PHYMODE_GMII 3
187 #define BI_PHYMODE_RTBI 4
188 #define BI_PHYMODE_TBI 5
189 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
190 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
191 defined(CONFIG_405EX)
192 #define BI_PHYMODE_SMII 6
193 #define BI_PHYMODE_MII 7
194 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
195 #define BI_PHYMODE_RMII 8
199 #if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
200 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
201 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
202 defined(CONFIG_405EX)
203 #define SDR0_MFR_ETH_CLK_SEL_V(n) ((0x01<<27) / (n+1))
206 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
207 #define SDR0_ETH_CFG_CLK_SEL_V(n) (0x01 << (8 + n))
210 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
211 #define MAL_RX_CHAN_MUL 8 /* 460EX/GT uses MAL channel 8 for EMAC1 */
213 #define MAL_RX_CHAN_MUL 1
216 /*-----------------------------------------------------------------------------+
217 * Global variables. TX and RX descriptors and buffers.
218 *-----------------------------------------------------------------------------*/
219 #if !defined(CONFIG_NET_MULTI)
220 struct eth_device *emac0_dev = NULL;
224 * Get count of EMAC devices (doesn't have to be the max. possible number
225 * supported by the cpu)
227 * CONFIG_BOARD_EMAC_COUNT added so now a "dynamic" way to configure the
228 * EMAC count is possible. As it is needed for the Kilauea/Haleakala
229 * 405EX/405EXr eval board, using the same binary.
231 #if defined(CONFIG_BOARD_EMAC_COUNT)
232 #define LAST_EMAC_NUM board_emac_count()
233 #else /* CONFIG_BOARD_EMAC_COUNT */
234 #if defined(CONFIG_HAS_ETH3)
235 #define LAST_EMAC_NUM 4
236 #elif defined(CONFIG_HAS_ETH2)
237 #define LAST_EMAC_NUM 3
238 #elif defined(CONFIG_HAS_ETH1)
239 #define LAST_EMAC_NUM 2
241 #define LAST_EMAC_NUM 1
243 #endif /* CONFIG_BOARD_EMAC_COUNT */
245 /* normal boards start with EMAC0 */
246 #if !defined(CONFIG_EMAC_NR_START)
247 #define CONFIG_EMAC_NR_START 0
250 #define MAL_RX_DESC_SIZE 2048
251 #define MAL_TX_DESC_SIZE 2048
252 #define MAL_ALLOC_SIZE (MAL_TX_DESC_SIZE + MAL_RX_DESC_SIZE)
254 /*-----------------------------------------------------------------------------+
255 * Prototypes and externals.
256 *-----------------------------------------------------------------------------*/
257 static void enet_rcv (struct eth_device *dev, unsigned long malisr);
259 int enetInt (struct eth_device *dev);
260 static void mal_err (struct eth_device *dev, unsigned long isr,
261 unsigned long uic, unsigned long maldef,
262 unsigned long mal_errr);
263 static void emac_err (struct eth_device *dev, unsigned long isr);
265 extern int phy_setup_aneg (char *devname, unsigned char addr);
266 extern int emac4xx_miiphy_read (char *devname, unsigned char addr,
267 unsigned char reg, unsigned short *value);
268 extern int emac4xx_miiphy_write (char *devname, unsigned char addr,
269 unsigned char reg, unsigned short value);
271 int board_emac_count(void);
273 static void emac_loopback_enable(EMAC_4XX_HW_PST hw_p)
275 #if defined(CONFIG_440SPE) || \
276 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
277 defined(CONFIG_405EX)
281 val |= SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum);
283 #elif defined(CONFIG_460EX) || defined(CONFIG_460GT)
286 mfsdr(SDR0_ETH_CFG, val);
287 val |= SDR0_ETH_CFG_CLK_SEL_V(hw_p->devnum);
288 mtsdr(SDR0_ETH_CFG, val);
292 static void emac_loopback_disable(EMAC_4XX_HW_PST hw_p)
294 #if defined(CONFIG_440SPE) || \
295 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
296 defined(CONFIG_405EX)
300 val &= ~SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum);
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 /*-----------------------------------------------------------------------------+
313 | Disable MAL channel, and EMACn
314 +-----------------------------------------------------------------------------*/
315 static void ppc_4xx_eth_halt (struct eth_device *dev)
317 EMAC_4XX_HW_PST hw_p = dev->priv;
320 out_be32((void *)EMAC_IER + hw_p->hw_addr, 0x00000000); /* disable emac interrupts */
322 /* 1st reset MAL channel */
323 /* Note: writing a 0 to a channel has no effect */
324 #if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
325 mtdcr (maltxcarr, (MAL_CR_MMSR >> (hw_p->devnum * 2)));
327 mtdcr (maltxcarr, (MAL_CR_MMSR >> hw_p->devnum));
329 mtdcr (malrxcarr, (MAL_CR_MMSR >> hw_p->devnum));
332 while (mfdcr (malrxcasr) & (MAL_CR_MMSR >> hw_p->devnum)) {
333 udelay (1000); /* Delay 1 MS so as not to hammer the register */
339 /* provide clocks for EMAC internal loopback */
340 emac_loopback_enable(hw_p);
343 out_be32((void *)EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST);
345 /* remove clocks for EMAC internal loopback */
346 emac_loopback_disable(hw_p);
348 #ifndef CONFIG_NETCONSOLE
349 hw_p->print_speed = 1; /* print speed message again next time */
352 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
353 /* don't bypass the TAHOE0/TAHOE1 cores for Linux */
354 mfsdr(SDR0_ETH_CFG, val);
355 val &= ~(SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS);
356 mtsdr(SDR0_ETH_CFG, val);
362 #if defined (CONFIG_440GX)
363 int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
366 unsigned long zmiifer;
367 unsigned long rmiifer;
369 mfsdr(sdr_pfc1, pfc1);
370 pfc1 = SDR0_PFC1_EPS_DECODE(pfc1);
377 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0);
378 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(1);
379 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(2);
380 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(3);
381 bis->bi_phymode[0] = BI_PHYMODE_ZMII;
382 bis->bi_phymode[1] = BI_PHYMODE_ZMII;
383 bis->bi_phymode[2] = BI_PHYMODE_ZMII;
384 bis->bi_phymode[3] = BI_PHYMODE_ZMII;
387 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0);
388 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1);
389 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(2);
390 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(3);
391 bis->bi_phymode[0] = BI_PHYMODE_ZMII;
392 bis->bi_phymode[1] = BI_PHYMODE_ZMII;
393 bis->bi_phymode[2] = BI_PHYMODE_ZMII;
394 bis->bi_phymode[3] = BI_PHYMODE_ZMII;
397 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0);
398 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2);
399 bis->bi_phymode[0] = BI_PHYMODE_ZMII;
400 bis->bi_phymode[1] = BI_PHYMODE_NONE;
401 bis->bi_phymode[2] = BI_PHYMODE_RGMII;
402 bis->bi_phymode[3] = BI_PHYMODE_NONE;
405 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0);
406 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1);
407 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V (2);
408 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V (3);
409 bis->bi_phymode[0] = BI_PHYMODE_ZMII;
410 bis->bi_phymode[1] = BI_PHYMODE_ZMII;
411 bis->bi_phymode[2] = BI_PHYMODE_RGMII;
412 bis->bi_phymode[3] = BI_PHYMODE_RGMII;
415 zmiifer |= ZMII_FER_SMII << ZMII_FER_V (0);
416 zmiifer |= ZMII_FER_SMII << ZMII_FER_V (1);
417 zmiifer |= ZMII_FER_SMII << ZMII_FER_V (2);
418 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3);
419 bis->bi_phymode[0] = BI_PHYMODE_ZMII;
420 bis->bi_phymode[1] = BI_PHYMODE_ZMII;
421 bis->bi_phymode[2] = BI_PHYMODE_ZMII;
422 bis->bi_phymode[3] = BI_PHYMODE_RGMII;
425 zmiifer |= ZMII_FER_SMII << ZMII_FER_V (0);
426 zmiifer |= ZMII_FER_SMII << ZMII_FER_V (1);
427 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2);
428 bis->bi_phymode[0] = BI_PHYMODE_ZMII;
429 bis->bi_phymode[1] = BI_PHYMODE_ZMII;
430 bis->bi_phymode[2] = BI_PHYMODE_RGMII;
434 zmiifer = ZMII_FER_MII << ZMII_FER_V(devnum);
436 bis->bi_phymode[0] = BI_PHYMODE_ZMII;
437 bis->bi_phymode[1] = BI_PHYMODE_ZMII;
438 bis->bi_phymode[2] = BI_PHYMODE_ZMII;
439 bis->bi_phymode[3] = BI_PHYMODE_ZMII;
443 /* Ensure we setup mdio for this devnum and ONLY this devnum */
444 zmiifer |= (ZMII_FER_MDI) << ZMII_FER_V(devnum);
446 out_be32((void *)ZMII_FER, zmiifer);
447 out_be32((void *)RGMII_FER, rmiifer);
451 #endif /* CONFIG_440_GX */
453 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
454 int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
456 unsigned long zmiifer=0x0;
459 mfsdr(sdr_pfc1, pfc1);
460 pfc1 &= SDR0_PFC1_SELECT_MASK;
463 case SDR0_PFC1_SELECT_CONFIG_2:
465 out_be32((void *)ZMII_FER, 0x00);
466 out_be32((void *)RGMII_FER, 0x00000037);
467 bis->bi_phymode[0] = BI_PHYMODE_GMII;
468 bis->bi_phymode[1] = BI_PHYMODE_NONE;
470 case SDR0_PFC1_SELECT_CONFIG_4:
471 /* 2 x RGMII ports */
472 out_be32((void *)ZMII_FER, 0x00);
473 out_be32((void *)RGMII_FER, 0x00000055);
474 bis->bi_phymode[0] = BI_PHYMODE_RGMII;
475 bis->bi_phymode[1] = BI_PHYMODE_RGMII;
477 case SDR0_PFC1_SELECT_CONFIG_6:
479 out_be32((void *)ZMII_FER,
480 ((ZMII_FER_SMII) << ZMII_FER_V(0)) |
481 ((ZMII_FER_SMII) << ZMII_FER_V(1)));
482 out_be32((void *)RGMII_FER, 0x00000000);
483 bis->bi_phymode[0] = BI_PHYMODE_SMII;
484 bis->bi_phymode[1] = BI_PHYMODE_SMII;
486 case SDR0_PFC1_SELECT_CONFIG_1_2:
487 /* only 1 x MII supported */
488 out_be32((void *)ZMII_FER, (ZMII_FER_MII) << ZMII_FER_V(0));
489 out_be32((void *)RGMII_FER, 0x00000000);
490 bis->bi_phymode[0] = BI_PHYMODE_MII;
491 bis->bi_phymode[1] = BI_PHYMODE_NONE;
497 /* Ensure we setup mdio for this devnum and ONLY this devnum */
498 zmiifer = in_be32((void *)ZMII_FER);
499 zmiifer |= (ZMII_FER_MDI) << ZMII_FER_V(devnum);
500 out_be32((void *)ZMII_FER, zmiifer);
504 #endif /* CONFIG_440EPX */
506 #if defined(CONFIG_405EX)
507 int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
512 * The 405EX(r)'s RGMII bridge can operate in one of several
513 * modes, only one of which (2 x RGMII) allows the
514 * simultaneous use of both EMACs on the 405EX.
517 switch (CONFIG_EMAC_PHY_MODE) {
519 case EMAC_PHY_MODE_NONE:
521 rgmiifer |= RGMII_FER_DIS << 0;
522 rgmiifer |= RGMII_FER_DIS << 4;
523 out_be32((void *)RGMII_FER, rgmiifer);
524 bis->bi_phymode[0] = BI_PHYMODE_NONE;
525 bis->bi_phymode[1] = BI_PHYMODE_NONE;
527 case EMAC_PHY_MODE_NONE_RGMII:
528 /* 1 x RGMII port on channel 0 */
529 rgmiifer |= RGMII_FER_RGMII << 0;
530 rgmiifer |= RGMII_FER_DIS << 4;
531 out_be32((void *)RGMII_FER, rgmiifer);
532 bis->bi_phymode[0] = BI_PHYMODE_RGMII;
533 bis->bi_phymode[1] = BI_PHYMODE_NONE;
535 case EMAC_PHY_MODE_RGMII_NONE:
536 /* 1 x RGMII port on channel 1 */
537 rgmiifer |= RGMII_FER_DIS << 0;
538 rgmiifer |= RGMII_FER_RGMII << 4;
539 out_be32((void *)RGMII_FER, rgmiifer);
540 bis->bi_phymode[0] = BI_PHYMODE_NONE;
541 bis->bi_phymode[1] = BI_PHYMODE_RGMII;
543 case EMAC_PHY_MODE_RGMII_RGMII:
544 /* 2 x RGMII ports */
545 rgmiifer |= RGMII_FER_RGMII << 0;
546 rgmiifer |= RGMII_FER_RGMII << 4;
547 out_be32((void *)RGMII_FER, rgmiifer);
548 bis->bi_phymode[0] = BI_PHYMODE_RGMII;
549 bis->bi_phymode[1] = BI_PHYMODE_RGMII;
551 case EMAC_PHY_MODE_NONE_GMII:
552 /* 1 x GMII port on channel 0 */
553 rgmiifer |= RGMII_FER_GMII << 0;
554 rgmiifer |= RGMII_FER_DIS << 4;
555 out_be32((void *)RGMII_FER, rgmiifer);
556 bis->bi_phymode[0] = BI_PHYMODE_GMII;
557 bis->bi_phymode[1] = BI_PHYMODE_NONE;
559 case EMAC_PHY_MODE_NONE_MII:
560 /* 1 x MII port on channel 0 */
561 rgmiifer |= RGMII_FER_MII << 0;
562 rgmiifer |= RGMII_FER_DIS << 4;
563 out_be32((void *)RGMII_FER, rgmiifer);
564 bis->bi_phymode[0] = BI_PHYMODE_MII;
565 bis->bi_phymode[1] = BI_PHYMODE_NONE;
567 case EMAC_PHY_MODE_GMII_NONE:
568 /* 1 x GMII port on channel 1 */
569 rgmiifer |= RGMII_FER_DIS << 0;
570 rgmiifer |= RGMII_FER_GMII << 4;
571 out_be32((void *)RGMII_FER, rgmiifer);
572 bis->bi_phymode[0] = BI_PHYMODE_NONE;
573 bis->bi_phymode[1] = BI_PHYMODE_GMII;
575 case EMAC_PHY_MODE_MII_NONE:
576 /* 1 x MII port on channel 1 */
577 rgmiifer |= RGMII_FER_DIS << 0;
578 rgmiifer |= RGMII_FER_MII << 4;
579 out_be32((void *)RGMII_FER, rgmiifer);
580 bis->bi_phymode[0] = BI_PHYMODE_NONE;
581 bis->bi_phymode[1] = BI_PHYMODE_MII;
587 /* Ensure we setup mdio for this devnum and ONLY this devnum */
588 rgmiifer = in_be32((void *)RGMII_FER);
589 rgmiifer |= (1 << (19-devnum));
590 out_be32((void *)RGMII_FER, rgmiifer);
594 #endif /* CONFIG_405EX */
596 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
597 int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis)
600 u32 zmiifer; /* ZMII0_FER reg. */
601 u32 rmiifer; /* RGMII0_FER reg. Bridge 0 */
602 u32 rmiifer1; /* RGMII0_FER reg. Bridge 1 */
609 #if defined(CONFIG_460EX)
616 * NOTE: 460GT has 2 RGMII bridge cores:
617 * emac0 ------ RGMII0_BASE
621 * emac2 ------ RGMII1_BASE
625 * 460EX has 1 RGMII bridge core:
626 * and RGMII1_BASE is disabled
627 * emac0 ------ RGMII0_BASE
633 * Right now only 2*RGMII is supported. Please extend when needed.
639 /* GMC0 EMAC4_0, ZMII Bridge */
640 zmiifer |= ZMII_FER_MII << ZMII_FER_V(0);
641 bis->bi_phymode[0] = BI_PHYMODE_MII;
642 bis->bi_phymode[1] = BI_PHYMODE_NONE;
643 bis->bi_phymode[2] = BI_PHYMODE_NONE;
644 bis->bi_phymode[3] = BI_PHYMODE_NONE;
648 /* GMC0 EMAC4_0, GMC1 EMAC4_2, ZMII Bridge */
649 zmiifer |= ZMII_FER_MII << ZMII_FER_V(0);
650 zmiifer |= ZMII_FER_MII << ZMII_FER_V(2);
651 bis->bi_phymode[0] = BI_PHYMODE_MII;
652 bis->bi_phymode[1] = BI_PHYMODE_NONE;
653 bis->bi_phymode[2] = BI_PHYMODE_MII;
654 bis->bi_phymode[3] = BI_PHYMODE_NONE;
658 /* GMC0 EMAC4_0, GMC0 EMAC4_1, ZMII Bridge */
659 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0);
660 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(1);
661 bis->bi_phymode[0] = BI_PHYMODE_RMII;
662 bis->bi_phymode[1] = BI_PHYMODE_RMII;
663 bis->bi_phymode[2] = BI_PHYMODE_NONE;
664 bis->bi_phymode[3] = BI_PHYMODE_NONE;
668 /* GMC0 EMAC4_0, GMC0 EMAC4_1, GMC1 EMAC4_2, GMC1, EMAC4_3 */
670 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0);
671 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(1);
672 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(2);
673 zmiifer |= ZMII_FER_RMII << ZMII_FER_V(3);
674 bis->bi_phymode[0] = BI_PHYMODE_RMII;
675 bis->bi_phymode[1] = BI_PHYMODE_RMII;
676 bis->bi_phymode[2] = BI_PHYMODE_RMII;
677 bis->bi_phymode[3] = BI_PHYMODE_RMII;
681 /* GMC0 EMAC4_0, GMC0 EMAC4_1, ZMII Bridge */
682 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0);
683 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1);
684 bis->bi_phymode[0] = BI_PHYMODE_SMII;
685 bis->bi_phymode[1] = BI_PHYMODE_SMII;
686 bis->bi_phymode[2] = BI_PHYMODE_NONE;
687 bis->bi_phymode[3] = BI_PHYMODE_NONE;
691 /* GMC0 EMAC4_0, GMC0 EMAC4_1, GMC0 EMAC4_3, GMC0 EMAC4_3 */
693 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0);
694 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1);
695 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(2);
696 zmiifer |= ZMII_FER_SMII << ZMII_FER_V(3);
697 bis->bi_phymode[0] = BI_PHYMODE_SMII;
698 bis->bi_phymode[1] = BI_PHYMODE_SMII;
699 bis->bi_phymode[2] = BI_PHYMODE_SMII;
700 bis->bi_phymode[3] = BI_PHYMODE_SMII;
703 /* This is the default mode that we want for board bringup - Maple */
705 /* GMC0 EMAC4_0, RGMII Bridge 0 */
706 rmiifer |= RGMII_FER_MDIO(0);
709 rmiifer |= RGMII_FER_GMII << RGMII_FER_V(2); /* CH0CFG - EMAC0 */
710 bis->bi_phymode[0] = BI_PHYMODE_GMII;
711 bis->bi_phymode[1] = BI_PHYMODE_NONE;
712 bis->bi_phymode[2] = BI_PHYMODE_NONE;
713 bis->bi_phymode[3] = BI_PHYMODE_NONE;
715 rmiifer |= RGMII_FER_GMII << RGMII_FER_V(3); /* CH1CFG - EMAC1 */
716 bis->bi_phymode[0] = BI_PHYMODE_NONE;
717 bis->bi_phymode[1] = BI_PHYMODE_GMII;
718 bis->bi_phymode[2] = BI_PHYMODE_NONE;
719 bis->bi_phymode[3] = BI_PHYMODE_NONE;
724 /* GMC0 EMAC4_0, RGMII Bridge 0 */
725 /* GMC1 EMAC4_2, RGMII Bridge 1 */
726 rmiifer |= RGMII_FER_GMII << RGMII_FER_V(2); /* CH0CFG - EMAC0 */
727 rmiifer1 |= RGMII_FER_GMII << RGMII_FER_V(2); /* CH0CFG - EMAC2 */
728 rmiifer |= RGMII_FER_MDIO(0); /* enable MDIO - EMAC0 */
729 rmiifer1 |= RGMII_FER_MDIO(0); /* enable MDIO - EMAC2 */
731 bis->bi_phymode[0] = BI_PHYMODE_GMII;
732 bis->bi_phymode[1] = BI_PHYMODE_NONE;
733 bis->bi_phymode[2] = BI_PHYMODE_GMII;
734 bis->bi_phymode[3] = BI_PHYMODE_NONE;
737 /* 2 RGMII - 460EX */
738 /* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */
739 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2);
740 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3);
741 rmiifer |= RGMII_FER_MDIO(0); /* enable MDIO - EMAC0 */
743 bis->bi_phymode[0] = BI_PHYMODE_RGMII;
744 bis->bi_phymode[1] = BI_PHYMODE_RGMII;
745 bis->bi_phymode[2] = BI_PHYMODE_NONE;
746 bis->bi_phymode[3] = BI_PHYMODE_NONE;
749 /* 4 RGMII - 460GT */
750 /* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */
751 /* GMC1 EMAC4_2, GMC1 EMAC4_3, RGMII Bridge 1 */
752 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2);
753 rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3);
754 rmiifer1 |= RGMII_FER_RGMII << RGMII_FER_V(2);
755 rmiifer1 |= RGMII_FER_RGMII << RGMII_FER_V(3);
756 bis->bi_phymode[0] = BI_PHYMODE_RGMII;
757 bis->bi_phymode[1] = BI_PHYMODE_RGMII;
758 bis->bi_phymode[2] = BI_PHYMODE_RGMII;
759 bis->bi_phymode[3] = BI_PHYMODE_RGMII;
765 /* Set EMAC for MDIO */
766 mfsdr(SDR0_ETH_CFG, eth_cfg);
767 eth_cfg |= SDR0_ETH_CFG_MDIO_SEL_EMAC0;
768 mtsdr(SDR0_ETH_CFG, eth_cfg);
770 out_be32((void *)RGMII_FER, rmiifer);
771 #if defined(CONFIG_460GT)
772 out_be32((void *)RGMII_FER + RGMII1_BASE_OFFSET, rmiifer1);
775 /* bypass the TAHOE0/TAHOE1 cores for U-Boot */
776 mfsdr(SDR0_ETH_CFG, eth_cfg);
777 eth_cfg |= (SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS);
778 mtsdr(SDR0_ETH_CFG, eth_cfg);
782 #endif /* CONFIG_460EX || CONFIG_460GT */
784 static inline void *malloc_aligned(u32 size, u32 align)
786 return (void *)(((u32)malloc(size + align) + align - 1) &
790 static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
793 unsigned long reg = 0;
796 unsigned long duplex;
797 unsigned long failsafe;
799 unsigned short devnum;
800 unsigned short reg_short;
801 #if defined(CONFIG_440GX) || \
802 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
803 defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
804 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
805 defined(CONFIG_405EX)
807 #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \
808 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
809 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
810 defined(CONFIG_405EX)
816 #ifdef CONFIG_4xx_DCACHE
817 static u32 last_used_ea = 0;
819 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
820 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
821 defined(CONFIG_405EX)
825 EMAC_4XX_HW_PST hw_p = dev->priv;
827 /* before doing anything, figure out if we have a MAC address */
829 if (memcmp (dev->enetaddr, "\0\0\0\0\0\0", 6) == 0) {
830 printf("ERROR: ethaddr not set!\n");
834 #if defined(CONFIG_440GX) || \
835 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
836 defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
837 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
838 defined(CONFIG_405EX)
839 /* Need to get the OPB frequency so we can access the PHY */
840 get_sys_info (&sysinfo);
844 mtmsr (msr & ~(MSR_EE)); /* disable interrupts */
846 devnum = hw_p->devnum;
851 * hw_p->stats.pkts_handled <= hw_p->stats.pkts_rx <= hw_p->stats.pkts_handled+PKTBUFSRX
852 * In the most cases hw_p->stats.pkts_handled = hw_p->stats.pkts_rx, but it
853 * is possible that new packets (without relationship with
854 * current transfer) have got the time to arrived before
855 * netloop calls eth_halt
857 printf ("About preceeding transfer (eth%d):\n"
858 "- Sent packet number %d\n"
859 "- Received packet number %d\n"
860 "- Handled packet number %d\n",
863 hw_p->stats.pkts_rx, hw_p->stats.pkts_handled);
865 hw_p->stats.pkts_tx = 0;
866 hw_p->stats.pkts_rx = 0;
867 hw_p->stats.pkts_handled = 0;
868 hw_p->print_speed = 1; /* print speed message again next time */
871 hw_p->tx_err_index = 0; /* Transmit Error Index for tx_err_log */
872 hw_p->rx_err_index = 0; /* Receive Error Index for rx_err_log */
874 hw_p->rx_slot = 0; /* MAL Receive Slot */
875 hw_p->rx_i_index = 0; /* Receive Interrupt Queue Index */
876 hw_p->rx_u_index = 0; /* Receive User Queue Index */
878 hw_p->tx_slot = 0; /* MAL Transmit Slot */
879 hw_p->tx_i_index = 0; /* Transmit Interrupt Queue Index */
880 hw_p->tx_u_index = 0; /* Transmit User Queue Index */
882 #if defined(CONFIG_440) && !defined(CONFIG_440SP) && !defined(CONFIG_440SPE)
884 /* NOTE: 440GX spec states that mode is mutually exclusive */
885 /* NOTE: Therefore, disable all other EMACS, since we handle */
886 /* NOTE: only one emac at a time */
888 out_be32((void *)ZMII_FER, 0);
891 #if defined(CONFIG_440GP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
892 out_be32((void *)ZMII_FER, (ZMII_FER_RMII | ZMII_FER_MDI) << ZMII_FER_V (devnum));
893 #elif defined(CONFIG_440GX) || \
894 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
895 defined(CONFIG_460EX) || defined(CONFIG_460GT)
896 ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis);
899 out_be32((void *)ZMII_SSR, ZMII_SSR_SP << ZMII_SSR_V(devnum));
900 #endif /* defined(CONFIG_440) && !defined(CONFIG_440SP) */
901 #if defined(CONFIG_405EX)
902 ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis);
907 /* provide clocks for EMAC internal loopback */
908 emac_loopback_enable(hw_p);
911 out_be32((void *)EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST);
913 /* remove clocks for EMAC internal loopback */
914 emac_loopback_disable(hw_p);
917 while ((in_be32((void *)EMAC_M0 + hw_p->hw_addr) & (EMAC_M0_SRST)) && failsafe) {
922 printf("\nProblem resetting EMAC!\n");
924 #if defined(CONFIG_440GX) || \
925 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
926 defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
927 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
928 defined(CONFIG_405EX)
929 /* Whack the M1 register */
931 mode_reg &= ~0x00000038;
932 if (sysinfo.freqOPB <= 50000000);
933 else if (sysinfo.freqOPB <= 66666667)
934 mode_reg |= EMAC_M1_OBCI_66;
935 else if (sysinfo.freqOPB <= 83333333)
936 mode_reg |= EMAC_M1_OBCI_83;
937 else if (sysinfo.freqOPB <= 100000000)
938 mode_reg |= EMAC_M1_OBCI_100;
940 mode_reg |= EMAC_M1_OBCI_GT100;
942 out_be32((void *)EMAC_M1 + hw_p->hw_addr, mode_reg);
943 #endif /* defined(CONFIG_440GX) || defined(CONFIG_440SP) */
945 /* wait for PHY to complete auto negotiation */
947 #ifndef CONFIG_CS8952_PHY
950 reg = CONFIG_PHY_ADDR;
952 #if defined (CONFIG_PHY1_ADDR)
954 reg = CONFIG_PHY1_ADDR;
957 #if defined (CONFIG_PHY2_ADDR)
959 reg = CONFIG_PHY2_ADDR;
962 #if defined (CONFIG_PHY3_ADDR)
964 reg = CONFIG_PHY3_ADDR;
968 reg = CONFIG_PHY_ADDR;
972 bis->bi_phynum[devnum] = reg;
974 #if defined(CONFIG_PHY_RESET)
976 * Reset the phy, only if its the first time through
977 * otherwise, just check the speeds & feeds
979 if (hw_p->first_init == 0) {
980 #if defined(CONFIG_M88E1111_PHY)
981 miiphy_write (dev->name, reg, 0x14, 0x0ce3);
982 miiphy_write (dev->name, reg, 0x18, 0x4101);
983 miiphy_write (dev->name, reg, 0x09, 0x0e00);
984 miiphy_write (dev->name, reg, 0x04, 0x01e1);
986 miiphy_reset (dev->name, reg);
988 #if defined(CONFIG_440GX) || \
989 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
990 defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
991 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
992 defined(CONFIG_405EX)
994 #if defined(CONFIG_CIS8201_PHY)
996 * Cicada 8201 PHY needs to have an extended register whacked
999 if (((devnum == 2) || (devnum == 3)) && (4 == ethgroup)) {
1000 #if defined(CONFIG_CIS8201_SHORT_ETCH)
1001 miiphy_write (dev->name, reg, 23, 0x1300);
1003 miiphy_write (dev->name, reg, 23, 0x1000);
1006 * Vitesse VSC8201/Cicada CIS8201 errata:
1007 * Interoperability problem with Intel 82547EI phys
1008 * This work around (provided by Vitesse) changes
1009 * the default timer convergence from 8ms to 12ms
1011 miiphy_write (dev->name, reg, 0x1f, 0x2a30);
1012 miiphy_write (dev->name, reg, 0x08, 0x0200);
1013 miiphy_write (dev->name, reg, 0x1f, 0x52b5);
1014 miiphy_write (dev->name, reg, 0x02, 0x0004);
1015 miiphy_write (dev->name, reg, 0x01, 0x0671);
1016 miiphy_write (dev->name, reg, 0x00, 0x8fae);
1017 miiphy_write (dev->name, reg, 0x1f, 0x2a30);
1018 miiphy_write (dev->name, reg, 0x08, 0x0000);
1019 miiphy_write (dev->name, reg, 0x1f, 0x0000);
1020 /* end Vitesse/Cicada errata */
1024 #if defined(CONFIG_ET1011C_PHY)
1026 * Agere ET1011c PHY needs to have an extended register whacked
1029 if (((devnum == 2) || (devnum ==3)) && (4 == ethgroup)) {
1030 miiphy_read (dev->name, reg, 0x16, ®_short);
1031 reg_short &= ~(0x7);
1032 reg_short |= 0x6; /* RGMII DLL Delay*/
1033 miiphy_write (dev->name, reg, 0x16, reg_short);
1035 miiphy_read (dev->name, reg, 0x17, ®_short);
1036 reg_short &= ~(0x40);
1037 miiphy_write (dev->name, reg, 0x17, reg_short);
1039 miiphy_write(dev->name, reg, 0x1c, 0x74f0);
1044 /* Start/Restart autonegotiation */
1045 phy_setup_aneg (dev->name, reg);
1048 #endif /* defined(CONFIG_PHY_RESET) */
1050 miiphy_read (dev->name, reg, PHY_BMSR, ®_short);
1053 * Wait if PHY is capable of autonegotiation and autonegotiation is not complete
1055 if ((reg_short & PHY_BMSR_AUTN_ABLE)
1056 && !(reg_short & PHY_BMSR_AUTN_COMP)) {
1057 puts ("Waiting for PHY auto negotiation to complete");
1059 while (!(reg_short & PHY_BMSR_AUTN_COMP)) {
1063 if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
1064 puts (" TIMEOUT !\n");
1068 if ((i++ % 1000) == 0) {
1071 udelay (1000); /* 1 ms */
1072 miiphy_read (dev->name, reg, PHY_BMSR, ®_short);
1076 udelay (500000); /* another 500 ms (results in faster booting) */
1078 #endif /* #ifndef CONFIG_CS8952_PHY */
1080 speed = miiphy_speed (dev->name, reg);
1081 duplex = miiphy_duplex (dev->name, reg);
1083 if (hw_p->print_speed) {
1084 hw_p->print_speed = 0;
1085 printf ("ENET Speed is %d Mbps - %s duplex connection (EMAC%d)\n",
1086 (int) speed, (duplex == HALF) ? "HALF" : "FULL",
1090 #if defined(CONFIG_440) && \
1091 !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \
1092 !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX) && \
1093 !defined(CONFIG_460EX) && !defined(CONFIG_460GT)
1094 #if defined(CONFIG_440EP) || defined(CONFIG_440GR)
1095 mfsdr(sdr_mfr, reg);
1097 reg = (reg & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_RMII_100M;
1099 reg = (reg & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_RMII_10M;
1101 mtsdr(sdr_mfr, reg);
1104 /* Set ZMII/RGMII speed according to the phy link speed */
1105 reg = in_be32((void *)ZMII_SSR);
1106 if ( (speed == 100) || (speed == 1000) )
1107 out_be32((void *)ZMII_SSR, reg | (ZMII_SSR_SP << ZMII_SSR_V (devnum)));
1109 out_be32((void *)ZMII_SSR, reg & (~(ZMII_SSR_SP << ZMII_SSR_V (devnum))));
1111 if ((devnum == 2) || (devnum == 3)) {
1113 reg = (RGMII_SSR_SP_1000MBPS << RGMII_SSR_V (devnum));
1114 else if (speed == 100)
1115 reg = (RGMII_SSR_SP_100MBPS << RGMII_SSR_V (devnum));
1116 else if (speed == 10)
1117 reg = (RGMII_SSR_SP_10MBPS << RGMII_SSR_V (devnum));
1119 printf("Error in RGMII Speed\n");
1122 out_be32((void *)RGMII_SSR, reg);
1124 #endif /* defined(CONFIG_440) && !defined(CONFIG_440SP) */
1126 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
1127 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
1128 defined(CONFIG_405EX)
1130 rgmii_channel = devnum - 2;
1132 rgmii_channel = devnum;
1135 reg = (RGMII_SSR_SP_1000MBPS << RGMII_SSR_V(rgmii_channel));
1136 else if (speed == 100)
1137 reg = (RGMII_SSR_SP_100MBPS << RGMII_SSR_V(rgmii_channel));
1138 else if (speed == 10)
1139 reg = (RGMII_SSR_SP_10MBPS << RGMII_SSR_V(rgmii_channel));
1141 printf("Error in RGMII Speed\n");
1144 out_be32((void *)RGMII_SSR, reg);
1145 #if defined(CONFIG_460GT)
1146 if ((devnum == 2) || (devnum == 3))
1147 out_be32((void *)RGMII_SSR + RGMII1_BASE_OFFSET, reg);
1151 /* set the Mal configuration reg */
1152 #if defined(CONFIG_440GX) || \
1153 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
1154 defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
1155 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
1156 defined(CONFIG_405EX)
1157 mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA |
1158 MAL_CR_PLBLT_DEFAULT | MAL_CR_EOPIE | 0x00330000);
1160 mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT);
1161 /* Errata 1.12: MAL_1 -- Disable MAL bursting */
1162 if (get_pvr() == PVR_440GP_RB) {
1163 mtdcr (malmcr, mfdcr(malmcr) & ~MAL_CR_PLBB);
1168 * Malloc MAL buffer desciptors, make sure they are
1169 * aligned on cache line boundary size
1170 * (401/403/IOP480 = 16, 405 = 32)
1171 * and doesn't cross cache block boundaries.
1173 if (hw_p->first_init == 0) {
1174 debug("*** Allocating descriptor memory ***\n");
1176 bd_cached = (u32)malloc_aligned(MAL_ALLOC_SIZE, 4096);
1178 printf("%s: Error allocating MAL descriptor buffers!\n", __func__);
1182 #ifdef CONFIG_4xx_DCACHE
1183 flush_dcache_range(bd_cached, bd_cached + MAL_ALLOC_SIZE);
1185 #if defined(CFG_MEM_TOP_HIDE)
1186 bd_uncached = bis->bi_memsize + CFG_MEM_TOP_HIDE;
1188 bd_uncached = bis->bi_memsize;
1191 bd_uncached = last_used_ea + MAL_ALLOC_SIZE;
1193 last_used_ea = bd_uncached;
1194 program_tlb(bd_cached, bd_uncached, MAL_ALLOC_SIZE,
1195 TLB_WORD2_I_ENABLE);
1197 bd_uncached = bd_cached;
1199 hw_p->tx_phys = bd_cached;
1200 hw_p->rx_phys = bd_cached + MAL_TX_DESC_SIZE;
1201 hw_p->tx = (mal_desc_t *)(bd_uncached);
1202 hw_p->rx = (mal_desc_t *)(bd_uncached + MAL_TX_DESC_SIZE);
1203 debug("hw_p->tx=%08x, hw_p->rx=%08x\n", hw_p->tx, hw_p->rx);
1206 for (i = 0; i < NUM_TX_BUFF; i++) {
1207 hw_p->tx[i].ctrl = 0;
1208 hw_p->tx[i].data_len = 0;
1209 if (hw_p->first_init == 0)
1210 hw_p->txbuf_ptr = malloc_aligned(MAL_ALLOC_SIZE,
1212 hw_p->tx[i].data_ptr = hw_p->txbuf_ptr;
1213 if ((NUM_TX_BUFF - 1) == i)
1214 hw_p->tx[i].ctrl |= MAL_TX_CTRL_WRAP;
1215 hw_p->tx_run[i] = -1;
1216 debug("TX_BUFF %d @ 0x%08lx\n", i, (u32)hw_p->tx[i].data_ptr);
1219 for (i = 0; i < NUM_RX_BUFF; i++) {
1220 hw_p->rx[i].ctrl = 0;
1221 hw_p->rx[i].data_len = 0;
1222 hw_p->rx[i].data_ptr = (char *)NetRxPackets[i];
1223 if ((NUM_RX_BUFF - 1) == i)
1224 hw_p->rx[i].ctrl |= MAL_RX_CTRL_WRAP;
1225 hw_p->rx[i].ctrl |= MAL_RX_CTRL_EMPTY | MAL_RX_CTRL_INTR;
1226 hw_p->rx_ready[i] = -1;
1227 debug("RX_BUFF %d @ 0x%08lx\n", i, (u32)hw_p->rx[i].data_ptr);
1232 reg |= dev->enetaddr[0]; /* set high address */
1234 reg |= dev->enetaddr[1];
1236 out_be32((void *)EMAC_IAH + hw_p->hw_addr, reg);
1239 reg |= dev->enetaddr[2]; /* set low address */
1241 reg |= dev->enetaddr[3];
1243 reg |= dev->enetaddr[4];
1245 reg |= dev->enetaddr[5];
1247 out_be32((void *)EMAC_IAL + hw_p->hw_addr, reg);
1251 /* setup MAL tx & rx channel pointers */
1252 #if defined (CONFIG_405EP) || defined (CONFIG_440EP) || defined (CONFIG_440GR)
1253 mtdcr (maltxctp2r, hw_p->tx_phys);
1255 mtdcr (maltxctp1r, hw_p->tx_phys);
1257 #if defined(CONFIG_440)
1258 mtdcr (maltxbattr, 0x0);
1259 mtdcr (malrxbattr, 0x0);
1262 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
1263 mtdcr (malrxctp8r, hw_p->rx_phys);
1264 /* set RX buffer size */
1265 mtdcr (malrcbs8, ENET_MAX_MTU_ALIGNED / 16);
1267 mtdcr (malrxctp1r, hw_p->rx_phys);
1268 /* set RX buffer size */
1269 mtdcr (malrcbs1, ENET_MAX_MTU_ALIGNED / 16);
1272 #if defined (CONFIG_440GX)
1274 /* setup MAL tx & rx channel pointers */
1275 mtdcr (maltxbattr, 0x0);
1276 mtdcr (malrxbattr, 0x0);
1277 mtdcr (maltxctp2r, hw_p->tx_phys);
1278 mtdcr (malrxctp2r, hw_p->rx_phys);
1279 /* set RX buffer size */
1280 mtdcr (malrcbs2, ENET_MAX_MTU_ALIGNED / 16);
1283 /* setup MAL tx & rx channel pointers */
1284 mtdcr (maltxbattr, 0x0);
1285 mtdcr (maltxctp3r, hw_p->tx_phys);
1286 mtdcr (malrxbattr, 0x0);
1287 mtdcr (malrxctp3r, hw_p->rx_phys);
1288 /* set RX buffer size */
1289 mtdcr (malrcbs3, ENET_MAX_MTU_ALIGNED / 16);
1291 #endif /* CONFIG_440GX */
1292 #if defined (CONFIG_460GT)
1294 /* setup MAL tx & rx channel pointers */
1295 mtdcr (maltxbattr, 0x0);
1296 mtdcr (malrxbattr, 0x0);
1297 mtdcr (maltxctp2r, hw_p->tx_phys);
1298 mtdcr (malrxctp16r, hw_p->rx_phys);
1299 /* set RX buffer size */
1300 mtdcr (malrcbs16, ENET_MAX_MTU_ALIGNED / 16);
1303 /* setup MAL tx & rx channel pointers */
1304 mtdcr (maltxbattr, 0x0);
1305 mtdcr (malrxbattr, 0x0);
1306 mtdcr (maltxctp3r, hw_p->tx_phys);
1307 mtdcr (malrxctp24r, hw_p->rx_phys);
1308 /* set RX buffer size */
1309 mtdcr (malrcbs24, ENET_MAX_MTU_ALIGNED / 16);
1311 #endif /* CONFIG_460GT */
1314 /* setup MAL tx & rx channel pointers */
1315 #if defined(CONFIG_440)
1316 mtdcr (maltxbattr, 0x0);
1317 mtdcr (malrxbattr, 0x0);
1319 mtdcr (maltxctp0r, hw_p->tx_phys);
1320 mtdcr (malrxctp0r, hw_p->rx_phys);
1321 /* set RX buffer size */
1322 mtdcr (malrcbs0, ENET_MAX_MTU_ALIGNED / 16);
1326 /* Enable MAL transmit and receive channels */
1327 #if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
1328 mtdcr (maltxcasr, (MAL_TXRX_CASR >> (hw_p->devnum*2)));
1330 mtdcr (maltxcasr, (MAL_TXRX_CASR >> hw_p->devnum));
1332 mtdcr (malrxcasr, (MAL_TXRX_CASR >> hw_p->devnum));
1334 /* set transmit enable & receive enable */
1335 out_be32((void *)EMAC_M0 + hw_p->hw_addr, EMAC_M0_TXE | EMAC_M0_RXE);
1337 mode_reg = in_be32((void *)EMAC_M1 + hw_p->hw_addr);
1339 /* set rx-/tx-fifo size */
1340 mode_reg = (mode_reg & ~EMAC_MR1_FIFO_MASK) | EMAC_MR1_FIFO_SIZE;
1343 if (speed == _1000BASET) {
1344 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
1345 defined(CONFIG_440SP) || defined(CONFIG_440SPE)
1348 mfsdr (sdr_pfc1, pfc1);
1349 pfc1 |= SDR0_PFC1_EM_1000;
1350 mtsdr (sdr_pfc1, pfc1);
1352 mode_reg = mode_reg | EMAC_M1_MF_1000MBPS | EMAC_M1_IST;
1353 } else if (speed == _100BASET)
1354 mode_reg = mode_reg | EMAC_M1_MF_100MBPS | EMAC_M1_IST;
1356 mode_reg = mode_reg & ~0x00C00000; /* 10 MBPS */
1358 mode_reg = mode_reg | 0x80000000 | EMAC_M1_IST;
1360 out_be32((void *)EMAC_M1 + hw_p->hw_addr, mode_reg);
1362 /* Enable broadcast and indvidual address */
1363 /* TBS: enabling runts as some misbehaved nics will send runts */
1364 out_be32((void *)EMAC_RXM + hw_p->hw_addr, EMAC_RMR_BAE | EMAC_RMR_IAE);
1366 /* we probably need to set the tx mode1 reg? maybe at tx time */
1368 /* set transmit request threshold register */
1369 out_be32((void *)EMAC_TRTR + hw_p->hw_addr, 0x18000000); /* 256 byte threshold */
1371 /* set receive low/high water mark register */
1372 #if defined(CONFIG_440)
1373 /* 440s has a 64 byte burst length */
1374 out_be32((void *)EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x80009000);
1376 /* 405s have a 16 byte burst length */
1377 out_be32((void *)EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x0f002000);
1378 #endif /* defined(CONFIG_440) */
1379 out_be32((void *)EMAC_TXM1 + hw_p->hw_addr, 0xf8640000);
1381 /* Set fifo limit entry in tx mode 0 */
1382 out_be32((void *)EMAC_TXM0 + hw_p->hw_addr, 0x00000003);
1384 out_be32((void *)EMAC_I_FRAME_GAP_REG + hw_p->hw_addr, 0x00000008);
1387 hw_p->emac_ier = EMAC_ISR_PTLE | EMAC_ISR_BFCS | EMAC_ISR_ORE | EMAC_ISR_IRE;
1388 if (speed == _100BASET)
1389 hw_p->emac_ier = hw_p->emac_ier | EMAC_ISR_SYE;
1391 out_be32((void *)EMAC_ISR + hw_p->hw_addr, 0xffffffff); /* clear pending interrupts */
1392 out_be32((void *)EMAC_IER + hw_p->hw_addr, hw_p->emac_ier);
1394 if (hw_p->first_init == 0) {
1396 * Connect interrupt service routines
1398 irq_install_handler(ETH_IRQ_NUM(hw_p->devnum),
1399 (interrupt_handler_t *) enetInt, dev);
1402 mtmsr (msr); /* enable interrupts again */
1405 hw_p->first_init = 1;
1411 static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr,
1414 struct enet_frame *ef_ptr;
1415 ulong time_start, time_now;
1416 unsigned long temp_txm0;
1417 EMAC_4XX_HW_PST hw_p = dev->priv;
1419 ef_ptr = (struct enet_frame *) ptr;
1421 /*-----------------------------------------------------------------------+
1422 * Copy in our address into the frame.
1423 *-----------------------------------------------------------------------*/
1424 (void) memcpy (ef_ptr->source_addr, dev->enetaddr, ENET_ADDR_LENGTH);
1426 /*-----------------------------------------------------------------------+
1427 * If frame is too long or too short, modify length.
1428 *-----------------------------------------------------------------------*/
1429 /* TBS: where does the fragment go???? */
1430 if (len > ENET_MAX_MTU)
1433 /* memcpy ((void *) &tx_buff[tx_slot], (const void *) ptr, len); */
1434 memcpy ((void *) hw_p->txbuf_ptr, (const void *) ptr, len);
1435 flush_dcache_range((u32)hw_p->txbuf_ptr, (u32)hw_p->txbuf_ptr + len);
1437 /*-----------------------------------------------------------------------+
1438 * set TX Buffer busy, and send it
1439 *-----------------------------------------------------------------------*/
1440 hw_p->tx[hw_p->tx_slot].ctrl = (MAL_TX_CTRL_LAST |
1441 EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP) &
1442 ~(EMAC_TX_CTRL_ISA | EMAC_TX_CTRL_RSA);
1443 if ((NUM_TX_BUFF - 1) == hw_p->tx_slot)
1444 hw_p->tx[hw_p->tx_slot].ctrl |= MAL_TX_CTRL_WRAP;
1446 hw_p->tx[hw_p->tx_slot].data_len = (short) len;
1447 hw_p->tx[hw_p->tx_slot].ctrl |= MAL_TX_CTRL_READY;
1451 out_be32((void *)EMAC_TXM0 + hw_p->hw_addr,
1452 in_be32((void *)EMAC_TXM0 + hw_p->hw_addr) | EMAC_TXM0_GNP0);
1453 #ifdef INFO_4XX_ENET
1454 hw_p->stats.pkts_tx++;
1457 /*-----------------------------------------------------------------------+
1458 * poll unitl the packet is sent and then make sure it is OK
1459 *-----------------------------------------------------------------------*/
1460 time_start = get_timer (0);
1462 temp_txm0 = in_be32((void *)EMAC_TXM0 + hw_p->hw_addr);
1463 /* loop until either TINT turns on or 3 seconds elapse */
1464 if ((temp_txm0 & EMAC_TXM0_GNP0) != 0) {
1465 /* transmit is done, so now check for errors
1466 * If there is an error, an interrupt should
1467 * happen when we return
1469 time_now = get_timer (0);
1470 if ((time_now - time_start) > 3000) {
1479 int enetInt (struct eth_device *dev)
1482 int rc = -1; /* default to not us */
1490 EMAC_4XX_HW_PST hw_p;
1493 * Because the mal is generic, we need to get the current
1496 #if defined(CONFIG_NET_MULTI)
1497 dev = eth_get_dev();
1504 /* enter loop that stays in interrupt code until nothing to service */
1508 uic_mal = mfdcr(UIC_BASE_MAL + UIC_MSR);
1509 uic_mal_err = mfdcr(UIC_BASE_MAL_ERR + UIC_MSR);
1510 uic_emac = mfdcr(UIC_BASE_EMAC + UIC_MSR);
1511 uic_emac_b = mfdcr(UIC_BASE_EMAC_B + UIC_MSR);
1513 if (!(uic_mal & (UIC_MAL_RXEOB | UIC_MAL_TXEOB))
1514 && !(uic_mal_err & (UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE))
1515 && !(uic_emac & UIC_ETHx) && !(uic_emac_b & UIC_ETHxB)) {
1520 /* get and clear controller status interrupts */
1521 /* look at MAL and EMAC error interrupts */
1522 if (uic_mal_err & (UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE)) {
1523 /* we have a MAL error interrupt */
1524 mal_isr = mfdcr(malesr);
1525 mal_err(dev, mal_isr, uic_mal_err,
1526 MAL_UIC_DEF, MAL_UIC_ERR);
1528 /* clear MAL error interrupt status bits */
1529 mtdcr(UIC_BASE_MAL_ERR + UIC_SR,
1530 UIC_MAL_SERR | UIC_MAL_TXDE | UIC_MAL_RXDE);
1535 /* look for EMAC errors */
1536 if ((uic_emac & UIC_ETHx) || (uic_emac_b & UIC_ETHxB)) {
1537 emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr);
1538 emac_err(dev, emac_isr);
1540 /* clear EMAC error interrupt status bits */
1541 mtdcr(UIC_BASE_EMAC + UIC_SR, UIC_ETHx);
1542 mtdcr(UIC_BASE_EMAC_B + UIC_SR, UIC_ETHxB);
1547 /* handle MAX TX EOB interrupt from a tx */
1548 if (uic_mal & UIC_MAL_TXEOB) {
1549 /* clear MAL interrupt status bits */
1550 mal_eob = mfdcr(maltxeobisr);
1551 mtdcr(maltxeobisr, mal_eob);
1552 mtdcr(UIC_BASE_MAL + UIC_SR, UIC_MAL_TXEOB);
1554 /* indicate that we serviced an interrupt */
1559 /* handle MAL RX EOB interupt from a receive */
1560 /* check for EOB on valid channels */
1561 if (uic_mal & UIC_MAL_RXEOB) {
1562 mal_eob = mfdcr(malrxeobisr);
1564 (0x80000000 >> (hw_p->devnum * MAL_RX_CHAN_MUL))) {
1565 /* push packet to upper layer */
1566 enet_rcv(dev, emac_isr);
1568 /* clear MAL interrupt status bits */
1569 mtdcr(UIC_BASE_MAL + UIC_SR, UIC_MAL_RXEOB);
1571 /* indicate that we serviced an interrupt */
1581 /*-----------------------------------------------------------------------------+
1583 *-----------------------------------------------------------------------------*/
1584 static void mal_err (struct eth_device *dev, unsigned long isr,
1585 unsigned long uic, unsigned long maldef,
1586 unsigned long mal_errr)
1588 EMAC_4XX_HW_PST hw_p = dev->priv;
1590 mtdcr (malesr, isr); /* clear interrupt */
1592 /* clear DE interrupt */
1593 mtdcr (maltxdeir, 0xC0000000);
1594 mtdcr (malrxdeir, 0x80000000);
1596 #ifdef INFO_4XX_ENET
1597 printf ("\nMAL error occured.... ISR = %lx UIC = = %lx MAL_DEF = %lx MAL_ERR= %lx \n", isr, uic, maldef, mal_errr);
1600 eth_init (hw_p->bis); /* start again... */
1603 /*-----------------------------------------------------------------------------+
1604 * EMAC Error Routine
1605 *-----------------------------------------------------------------------------*/
1606 static void emac_err (struct eth_device *dev, unsigned long isr)
1608 EMAC_4XX_HW_PST hw_p = dev->priv;
1610 printf ("EMAC%d error occured.... ISR = %lx\n", hw_p->devnum, isr);
1611 out_be32((void *)EMAC_ISR + hw_p->hw_addr, isr);
1614 /*-----------------------------------------------------------------------------+
1615 * enet_rcv() handles the ethernet receive data
1616 *-----------------------------------------------------------------------------*/
1617 static void enet_rcv (struct eth_device *dev, unsigned long malisr)
1619 struct enet_frame *ef_ptr;
1620 unsigned long data_len;
1621 unsigned long rx_eob_isr;
1622 EMAC_4XX_HW_PST hw_p = dev->priv;
1628 rx_eob_isr = mfdcr (malrxeobisr);
1629 if ((0x80000000 >> (hw_p->devnum * MAL_RX_CHAN_MUL)) & rx_eob_isr) {
1631 mtdcr (malrxeobisr, rx_eob_isr);
1634 while (1) { /* do all */
1637 if ((MAL_RX_CTRL_EMPTY & hw_p->rx[i].ctrl)
1638 || (loop_count >= NUM_RX_BUFF))
1643 data_len = (unsigned long) hw_p->rx[i].data_len & 0x0fff; /* Get len */
1645 if (data_len > ENET_MAX_MTU) /* Check len */
1648 if (EMAC_RX_ERRORS & hw_p->rx[i].ctrl) { /* Check Errors */
1650 hw_p->stats.rx_err_log[hw_p->
1653 hw_p->rx_err_index++;
1654 if (hw_p->rx_err_index ==
1656 hw_p->rx_err_index =
1659 } /* data_len < max mtu */
1661 if (!data_len) { /* no data */
1662 hw_p->rx[i].ctrl |= MAL_RX_CTRL_EMPTY; /* Free Recv Buffer */
1664 hw_p->stats.data_len_err++; /* Error at Rx */
1669 /* Check if user has already eaten buffer */
1670 /* if not => ERROR */
1671 else if (hw_p->rx_ready[hw_p->rx_i_index] != -1) {
1672 if (hw_p->is_receiving)
1673 printf ("ERROR : Receive buffers are full!\n");
1676 hw_p->stats.rx_frames++;
1677 hw_p->stats.rx += data_len;
1678 ef_ptr = (struct enet_frame *) hw_p->rx[i].
1680 #ifdef INFO_4XX_ENET
1681 hw_p->stats.pkts_rx++;
1686 hw_p->rx_ready[hw_p->rx_i_index] = i;
1688 if (NUM_RX_BUFF == hw_p->rx_i_index)
1689 hw_p->rx_i_index = 0;
1692 if (NUM_RX_BUFF == hw_p->rx_slot)
1696 * free receive buffer only when
1697 * buffer has been handled (eth_rx)
1698 rx[i].ctrl |= MAL_RX_CTRL_EMPTY;
1702 } /* if EMACK_RXCHL */
1706 static int ppc_4xx_eth_rx (struct eth_device *dev)
1711 EMAC_4XX_HW_PST hw_p = dev->priv;
1713 hw_p->is_receiving = 1; /* tell driver */
1717 * use ring buffer and
1718 * get index from rx buffer desciptor queue
1720 user_index = hw_p->rx_ready[hw_p->rx_u_index];
1721 if (user_index == -1) {
1723 break; /* nothing received - leave for() loop */
1727 mtmsr (msr & ~(MSR_EE));
1729 length = hw_p->rx[user_index].data_len & 0x0fff;
1731 /* Pass the packet up to the protocol layers. */
1732 /* NetReceive(NetRxPackets[rxIdx], length - 4); */
1733 /* NetReceive(NetRxPackets[i], length); */
1734 invalidate_dcache_range((u32)hw_p->rx[user_index].data_ptr,
1735 (u32)hw_p->rx[user_index].data_ptr +
1737 NetReceive (NetRxPackets[user_index], length - 4);
1738 /* Free Recv Buffer */
1739 hw_p->rx[user_index].ctrl |= MAL_RX_CTRL_EMPTY;
1740 /* Free rx buffer descriptor queue */
1741 hw_p->rx_ready[hw_p->rx_u_index] = -1;
1743 if (NUM_RX_BUFF == hw_p->rx_u_index)
1744 hw_p->rx_u_index = 0;
1746 #ifdef INFO_4XX_ENET
1747 hw_p->stats.pkts_handled++;
1750 mtmsr (msr); /* Enable IRQ's */
1753 hw_p->is_receiving = 0; /* tell driver */
1758 int ppc_4xx_eth_initialize (bd_t * bis)
1760 static int virgin = 0;
1761 struct eth_device *dev;
1763 EMAC_4XX_HW_PST hw = NULL;
1764 u8 ethaddr[4 + CONFIG_EMAC_NR_START][6];
1768 #if defined(CONFIG_440GX)
1771 mfsdr (sdr_pfc1, pfc1);
1772 pfc1 &= ~(0x01e00000);
1774 mtsdr (sdr_pfc1, pfc1);
1777 /* first clear all mac-addresses */
1778 for (eth_num = 0; eth_num < LAST_EMAC_NUM; eth_num++)
1779 memcpy(ethaddr[eth_num], "\0\0\0\0\0\0", 6);
1781 for (eth_num = 0; eth_num < LAST_EMAC_NUM; eth_num++) {
1783 default: /* fall through */
1785 memcpy(ethaddr[eth_num + CONFIG_EMAC_NR_START],
1786 bis->bi_enetaddr, 6);
1787 hw_addr[eth_num] = 0x0;
1789 #ifdef CONFIG_HAS_ETH1
1791 memcpy(ethaddr[eth_num + CONFIG_EMAC_NR_START],
1792 bis->bi_enet1addr, 6);
1793 hw_addr[eth_num] = 0x100;
1796 #ifdef CONFIG_HAS_ETH2
1798 memcpy(ethaddr[eth_num + CONFIG_EMAC_NR_START],
1799 bis->bi_enet2addr, 6);
1800 #if defined(CONFIG_460GT)
1801 hw_addr[eth_num] = 0x300;
1803 hw_addr[eth_num] = 0x400;
1807 #ifdef CONFIG_HAS_ETH3
1809 memcpy(ethaddr[eth_num + CONFIG_EMAC_NR_START],
1810 bis->bi_enet3addr, 6);
1811 #if defined(CONFIG_460GT)
1812 hw_addr[eth_num] = 0x400;
1814 hw_addr[eth_num] = 0x600;
1821 /* set phy num and mode */
1822 bis->bi_phynum[0] = CONFIG_PHY_ADDR;
1823 bis->bi_phymode[0] = 0;
1825 #if defined(CONFIG_PHY1_ADDR)
1826 bis->bi_phynum[1] = CONFIG_PHY1_ADDR;
1827 bis->bi_phymode[1] = 0;
1829 #if defined(CONFIG_440GX)
1830 bis->bi_phynum[2] = CONFIG_PHY2_ADDR;
1831 bis->bi_phynum[3] = CONFIG_PHY3_ADDR;
1832 bis->bi_phymode[2] = 2;
1833 bis->bi_phymode[3] = 2;
1836 #if defined(CONFIG_440GX) || \
1837 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
1838 defined(CONFIG_405EX)
1839 ppc_4xx_eth_setup_bridge(0, bis);
1842 for (eth_num = 0; eth_num < LAST_EMAC_NUM; eth_num++) {
1844 * See if we can actually bring up the interface,
1845 * otherwise, skip it
1847 if (memcmp (ethaddr[eth_num], "\0\0\0\0\0\0", 6) == 0) {
1848 bis->bi_phymode[eth_num] = BI_PHYMODE_NONE;
1852 /* Allocate device structure */
1853 dev = (struct eth_device *) malloc (sizeof (*dev));
1855 printf ("ppc_4xx_eth_initialize: "
1856 "Cannot allocate eth_device %d\n", eth_num);
1859 memset(dev, 0, sizeof(*dev));
1861 /* Allocate our private use data */
1862 hw = (EMAC_4XX_HW_PST) malloc (sizeof (*hw));
1864 printf ("ppc_4xx_eth_initialize: "
1865 "Cannot allocate private hw data for eth_device %d",
1870 memset(hw, 0, sizeof(*hw));
1872 hw->hw_addr = hw_addr[eth_num];
1873 memcpy (dev->enetaddr, ethaddr[eth_num], 6);
1874 hw->devnum = eth_num;
1875 hw->print_speed = 1;
1877 sprintf (dev->name, "ppc_4xx_eth%d", eth_num - CONFIG_EMAC_NR_START);
1878 dev->priv = (void *) hw;
1879 dev->init = ppc_4xx_eth_init;
1880 dev->halt = ppc_4xx_eth_halt;
1881 dev->send = ppc_4xx_eth_send;
1882 dev->recv = ppc_4xx_eth_rx;
1885 /* set the MAL IER ??? names may change with new spec ??? */
1886 #if defined(CONFIG_440SPE) || \
1887 defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
1888 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
1889 defined(CONFIG_405EX)
1891 MAL_IER_PT | MAL_IER_PRE | MAL_IER_PWE |
1892 MAL_IER_DE | MAL_IER_OTE | MAL_IER_OE | MAL_IER_PE ;
1895 MAL_IER_DE | MAL_IER_NE | MAL_IER_TE |
1896 MAL_IER_OPBE | MAL_IER_PLBE;
1898 mtdcr (malesr, 0xffffffff); /* clear pending interrupts */
1899 mtdcr (maltxdeir, 0xffffffff); /* clear pending interrupts */
1900 mtdcr (malrxdeir, 0xffffffff); /* clear pending interrupts */
1901 mtdcr (malier, mal_ier);
1903 /* install MAL interrupt handler */
1904 irq_install_handler (VECNUM_MAL_SERR,
1905 (interrupt_handler_t *) enetInt,
1907 irq_install_handler (VECNUM_MAL_TXEOB,
1908 (interrupt_handler_t *) enetInt,
1910 irq_install_handler (VECNUM_MAL_RXEOB,
1911 (interrupt_handler_t *) enetInt,
1913 irq_install_handler (VECNUM_MAL_TXDE,
1914 (interrupt_handler_t *) enetInt,
1916 irq_install_handler (VECNUM_MAL_RXDE,
1917 (interrupt_handler_t *) enetInt,
1922 #if defined(CONFIG_NET_MULTI)
1928 #if defined(CONFIG_NET_MULTI)
1929 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
1930 miiphy_register (dev->name,
1931 emac4xx_miiphy_read, emac4xx_miiphy_write);
1934 } /* end for each supported device */
1939 #if !defined(CONFIG_NET_MULTI)
1940 void eth_halt (void) {
1942 ppc_4xx_eth_halt(emac0_dev);
1948 int eth_init (bd_t *bis)
1950 ppc_4xx_eth_initialize(bis);
1952 return ppc_4xx_eth_init(emac0_dev, bis);
1954 printf("ERROR: ethaddr not set!\n");
1959 int eth_send(volatile void *packet, int length)
1961 return (ppc_4xx_eth_send(emac0_dev, packet, length));
1966 return (ppc_4xx_eth_rx(emac0_dev));
1969 int emac4xx_miiphy_initialize (bd_t * bis)
1971 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
1972 miiphy_register ("ppc_4xx_eth0",
1973 emac4xx_miiphy_read, emac4xx_miiphy_write);
1978 #endif /* !defined(CONFIG_NET_MULTI) */