2 * Copyright (C) 2006 Freescale Semiconductor, Inc.
4 * Dave Liu <daveliu@freescale.com>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of
9 * the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 #include "asm/errno.h"
27 #include "asm/immap_qe.h"
33 #if defined(CONFIG_QE)
35 #ifdef CONFIG_UEC_ETH1
36 static uec_info_t eth1_uec_info
= {
38 .ucc_num
= CFG_UEC1_UCC_NUM
,
39 .rx_clock
= CFG_UEC1_RX_CLK
,
40 .tx_clock
= CFG_UEC1_TX_CLK
,
41 .eth_type
= CFG_UEC1_ETH_TYPE
,
43 #if (CFG_UEC1_ETH_TYPE == FAST_ETH)
44 .num_threads_tx
= UEC_NUM_OF_THREADS_1
,
45 .num_threads_rx
= UEC_NUM_OF_THREADS_1
,
47 .num_threads_tx
= UEC_NUM_OF_THREADS_4
,
48 .num_threads_rx
= UEC_NUM_OF_THREADS_4
,
50 .riscTx
= QE_RISC_ALLOCATION_RISC1_AND_RISC2
,
51 .riscRx
= QE_RISC_ALLOCATION_RISC1_AND_RISC2
,
54 .phy_address
= CFG_UEC1_PHY_ADDR
,
55 .enet_interface
= CFG_UEC1_INTERFACE_MODE
,
58 #ifdef CONFIG_UEC_ETH2
59 static uec_info_t eth2_uec_info
= {
61 .ucc_num
= CFG_UEC2_UCC_NUM
,
62 .rx_clock
= CFG_UEC2_RX_CLK
,
63 .tx_clock
= CFG_UEC2_TX_CLK
,
64 .eth_type
= CFG_UEC2_ETH_TYPE
,
66 #if (CFG_UEC2_ETH_TYPE == FAST_ETH)
67 .num_threads_tx
= UEC_NUM_OF_THREADS_1
,
68 .num_threads_rx
= UEC_NUM_OF_THREADS_1
,
70 .num_threads_tx
= UEC_NUM_OF_THREADS_4
,
71 .num_threads_rx
= UEC_NUM_OF_THREADS_4
,
73 .riscTx
= QE_RISC_ALLOCATION_RISC1_AND_RISC2
,
74 .riscRx
= QE_RISC_ALLOCATION_RISC1_AND_RISC2
,
77 .phy_address
= CFG_UEC2_PHY_ADDR
,
78 .enet_interface
= CFG_UEC2_INTERFACE_MODE
,
81 #ifdef CONFIG_UEC_ETH3
82 static uec_info_t eth3_uec_info
= {
84 .ucc_num
= CFG_UEC3_UCC_NUM
,
85 .rx_clock
= CFG_UEC3_RX_CLK
,
86 .tx_clock
= CFG_UEC3_TX_CLK
,
87 .eth_type
= CFG_UEC3_ETH_TYPE
,
89 #if (CFG_UEC3_ETH_TYPE == FAST_ETH)
90 .num_threads_tx
= UEC_NUM_OF_THREADS_1
,
91 .num_threads_rx
= UEC_NUM_OF_THREADS_1
,
93 .num_threads_tx
= UEC_NUM_OF_THREADS_4
,
94 .num_threads_rx
= UEC_NUM_OF_THREADS_4
,
96 .riscTx
= QE_RISC_ALLOCATION_RISC1_AND_RISC2
,
97 .riscRx
= QE_RISC_ALLOCATION_RISC1_AND_RISC2
,
100 .phy_address
= CFG_UEC3_PHY_ADDR
,
101 .enet_interface
= CFG_UEC3_INTERFACE_MODE
,
104 #ifdef CONFIG_UEC_ETH4
105 static uec_info_t eth4_uec_info
= {
107 .ucc_num
= CFG_UEC4_UCC_NUM
,
108 .rx_clock
= CFG_UEC4_RX_CLK
,
109 .tx_clock
= CFG_UEC4_TX_CLK
,
110 .eth_type
= CFG_UEC4_ETH_TYPE
,
112 #if (CFG_UEC4_ETH_TYPE == FAST_ETH)
113 .num_threads_tx
= UEC_NUM_OF_THREADS_1
,
114 .num_threads_rx
= UEC_NUM_OF_THREADS_1
,
116 .num_threads_tx
= UEC_NUM_OF_THREADS_4
,
117 .num_threads_rx
= UEC_NUM_OF_THREADS_4
,
119 .riscTx
= QE_RISC_ALLOCATION_RISC1_AND_RISC2
,
120 .riscRx
= QE_RISC_ALLOCATION_RISC1_AND_RISC2
,
121 .tx_bd_ring_len
= 16,
122 .rx_bd_ring_len
= 16,
123 .phy_address
= CFG_UEC4_PHY_ADDR
,
124 .enet_interface
= CFG_UEC4_INTERFACE_MODE
,
128 static int uec_mac_enable(uec_private_t
*uec
, comm_dir_e mode
)
134 printf("%s: uec not initial\n", __FUNCTION__
);
137 uec_regs
= uec
->uec_regs
;
139 maccfg1
= in_be32(&uec_regs
->maccfg1
);
141 if (mode
& COMM_DIR_TX
) {
142 maccfg1
|= MACCFG1_ENABLE_TX
;
143 out_be32(&uec_regs
->maccfg1
, maccfg1
);
144 uec
->mac_tx_enabled
= 1;
147 if (mode
& COMM_DIR_RX
) {
148 maccfg1
|= MACCFG1_ENABLE_RX
;
149 out_be32(&uec_regs
->maccfg1
, maccfg1
);
150 uec
->mac_rx_enabled
= 1;
156 static int uec_mac_disable(uec_private_t
*uec
, comm_dir_e mode
)
162 printf("%s: uec not initial\n", __FUNCTION__
);
165 uec_regs
= uec
->uec_regs
;
167 maccfg1
= in_be32(&uec_regs
->maccfg1
);
169 if (mode
& COMM_DIR_TX
) {
170 maccfg1
&= ~MACCFG1_ENABLE_TX
;
171 out_be32(&uec_regs
->maccfg1
, maccfg1
);
172 uec
->mac_tx_enabled
= 0;
175 if (mode
& COMM_DIR_RX
) {
176 maccfg1
&= ~MACCFG1_ENABLE_RX
;
177 out_be32(&uec_regs
->maccfg1
, maccfg1
);
178 uec
->mac_rx_enabled
= 0;
184 static int uec_graceful_stop_tx(uec_private_t
*uec
)
190 if (!uec
|| !uec
->uccf
) {
191 printf("%s: No handle passed.\n", __FUNCTION__
);
195 uf_regs
= uec
->uccf
->uf_regs
;
197 /* Clear the grace stop event */
198 out_be32(&uf_regs
->ucce
, UCCE_GRA
);
200 /* Issue host command */
202 ucc_fast_get_qe_cr_subblock(uec
->uec_info
->uf_info
.ucc_num
);
203 qe_issue_cmd(QE_GRACEFUL_STOP_TX
, cecr_subblock
,
204 (u8
)QE_CR_PROTOCOL_ETHERNET
, 0);
206 /* Wait for command to complete */
208 ucce
= in_be32(&uf_regs
->ucce
);
209 } while (! (ucce
& UCCE_GRA
));
211 uec
->grace_stopped_tx
= 1;
216 static int uec_graceful_stop_rx(uec_private_t
*uec
)
222 printf("%s: No handle passed.\n", __FUNCTION__
);
226 if (!uec
->p_rx_glbl_pram
) {
227 printf("%s: No init rx global parameter\n", __FUNCTION__
);
231 /* Clear acknowledge bit */
232 ack
= uec
->p_rx_glbl_pram
->rxgstpack
;
233 ack
&= ~GRACEFUL_STOP_ACKNOWLEDGE_RX
;
234 uec
->p_rx_glbl_pram
->rxgstpack
= ack
;
236 /* Keep issuing cmd and checking ack bit until it is asserted */
238 /* Issue host command */
240 ucc_fast_get_qe_cr_subblock(uec
->uec_info
->uf_info
.ucc_num
);
241 qe_issue_cmd(QE_GRACEFUL_STOP_RX
, cecr_subblock
,
242 (u8
)QE_CR_PROTOCOL_ETHERNET
, 0);
243 ack
= uec
->p_rx_glbl_pram
->rxgstpack
;
244 } while (! (ack
& GRACEFUL_STOP_ACKNOWLEDGE_RX
));
246 uec
->grace_stopped_rx
= 1;
251 static int uec_restart_tx(uec_private_t
*uec
)
255 if (!uec
|| !uec
->uec_info
) {
256 printf("%s: No handle passed.\n", __FUNCTION__
);
261 ucc_fast_get_qe_cr_subblock(uec
->uec_info
->uf_info
.ucc_num
);
262 qe_issue_cmd(QE_RESTART_TX
, cecr_subblock
,
263 (u8
)QE_CR_PROTOCOL_ETHERNET
, 0);
265 uec
->grace_stopped_tx
= 0;
270 static int uec_restart_rx(uec_private_t
*uec
)
274 if (!uec
|| !uec
->uec_info
) {
275 printf("%s: No handle passed.\n", __FUNCTION__
);
280 ucc_fast_get_qe_cr_subblock(uec
->uec_info
->uf_info
.ucc_num
);
281 qe_issue_cmd(QE_RESTART_RX
, cecr_subblock
,
282 (u8
)QE_CR_PROTOCOL_ETHERNET
, 0);
284 uec
->grace_stopped_rx
= 0;
289 static int uec_open(uec_private_t
*uec
, comm_dir_e mode
)
291 ucc_fast_private_t
*uccf
;
293 if (!uec
|| !uec
->uccf
) {
294 printf("%s: No handle passed.\n", __FUNCTION__
);
299 /* check if the UCC number is in range. */
300 if (uec
->uec_info
->uf_info
.ucc_num
>= UCC_MAX_NUM
) {
301 printf("%s: ucc_num out of range.\n", __FUNCTION__
);
306 uec_mac_enable(uec
, mode
);
308 /* Enable UCC fast */
309 ucc_fast_enable(uccf
, mode
);
311 /* RISC microcode start */
312 if ((mode
& COMM_DIR_TX
) && uec
->grace_stopped_tx
) {
315 if ((mode
& COMM_DIR_RX
) && uec
->grace_stopped_rx
) {
322 static int uec_stop(uec_private_t
*uec
, comm_dir_e mode
)
324 ucc_fast_private_t
*uccf
;
326 if (!uec
|| !uec
->uccf
) {
327 printf("%s: No handle passed.\n", __FUNCTION__
);
332 /* check if the UCC number is in range. */
333 if (uec
->uec_info
->uf_info
.ucc_num
>= UCC_MAX_NUM
) {
334 printf("%s: ucc_num out of range.\n", __FUNCTION__
);
337 /* Stop any transmissions */
338 if ((mode
& COMM_DIR_TX
) && !uec
->grace_stopped_tx
) {
339 uec_graceful_stop_tx(uec
);
341 /* Stop any receptions */
342 if ((mode
& COMM_DIR_RX
) && !uec
->grace_stopped_rx
) {
343 uec_graceful_stop_rx(uec
);
346 /* Disable the UCC fast */
347 ucc_fast_disable(uec
->uccf
, mode
);
349 /* Disable the MAC */
350 uec_mac_disable(uec
, mode
);
355 static int uec_set_mac_duplex(uec_private_t
*uec
, int duplex
)
361 printf("%s: uec not initial\n", __FUNCTION__
);
364 uec_regs
= uec
->uec_regs
;
366 if (duplex
== DUPLEX_HALF
) {
367 maccfg2
= in_be32(&uec_regs
->maccfg2
);
368 maccfg2
&= ~MACCFG2_FDX
;
369 out_be32(&uec_regs
->maccfg2
, maccfg2
);
372 if (duplex
== DUPLEX_FULL
) {
373 maccfg2
= in_be32(&uec_regs
->maccfg2
);
374 maccfg2
|= MACCFG2_FDX
;
375 out_be32(&uec_regs
->maccfg2
, maccfg2
);
381 static int uec_set_mac_if_mode(uec_private_t
*uec
, enet_interface_e if_mode
)
383 enet_interface_e enet_if_mode
;
384 uec_info_t
*uec_info
;
390 printf("%s: uec not initial\n", __FUNCTION__
);
394 uec_info
= uec
->uec_info
;
395 uec_regs
= uec
->uec_regs
;
396 enet_if_mode
= if_mode
;
398 maccfg2
= in_be32(&uec_regs
->maccfg2
);
399 maccfg2
&= ~MACCFG2_INTERFACE_MODE_MASK
;
401 upsmr
= in_be32(&uec
->uccf
->uf_regs
->upsmr
);
402 upsmr
&= ~(UPSMR_RPM
| UPSMR_TBIM
| UPSMR_R10M
| UPSMR_RMM
);
404 switch (enet_if_mode
) {
407 maccfg2
|= MACCFG2_INTERFACE_MODE_NIBBLE
;
410 maccfg2
|= MACCFG2_INTERFACE_MODE_BYTE
;
413 maccfg2
|= MACCFG2_INTERFACE_MODE_BYTE
;
417 maccfg2
|= MACCFG2_INTERFACE_MODE_BYTE
;
418 upsmr
|= (UPSMR_RPM
| UPSMR_TBIM
);
420 case ENET_1000_RGMII
:
421 maccfg2
|= MACCFG2_INTERFACE_MODE_BYTE
;
425 maccfg2
|= MACCFG2_INTERFACE_MODE_NIBBLE
;
429 maccfg2
|= MACCFG2_INTERFACE_MODE_NIBBLE
;
430 upsmr
|= (UPSMR_RPM
| UPSMR_R10M
);
433 maccfg2
|= MACCFG2_INTERFACE_MODE_NIBBLE
;
437 maccfg2
|= MACCFG2_INTERFACE_MODE_NIBBLE
;
438 upsmr
|= (UPSMR_R10M
| UPSMR_RMM
);
444 out_be32(&uec_regs
->maccfg2
, maccfg2
);
445 out_be32(&uec
->uccf
->uf_regs
->upsmr
, upsmr
);
450 static int init_mii_management_configuration(uec_mii_t
*uec_mii_regs
)
452 uint timeout
= 0x1000;
455 miimcfg
= in_be32(&uec_mii_regs
->miimcfg
);
456 miimcfg
|= MIIMCFG_MNGMNT_CLC_DIV_INIT_VALUE
;
457 out_be32(&uec_mii_regs
->miimcfg
, miimcfg
);
459 /* Wait until the bus is free */
460 while ((in_be32(&uec_mii_regs
->miimcfg
) & MIIMIND_BUSY
) && timeout
--);
462 printf("%s: The MII Bus is stuck!", __FUNCTION__
);
469 static int init_phy(struct eth_device
*dev
)
472 uec_mii_t
*umii_regs
;
473 struct uec_mii_info
*mii_info
;
474 struct phy_info
*curphy
;
477 uec
= (uec_private_t
*)dev
->priv
;
478 umii_regs
= uec
->uec_mii_regs
;
484 mii_info
= malloc(sizeof(*mii_info
));
486 printf("%s: Could not allocate mii_info", dev
->name
);
489 memset(mii_info
, 0, sizeof(*mii_info
));
491 if (uec
->uec_info
->uf_info
.eth_type
== GIGA_ETH
) {
492 mii_info
->speed
= SPEED_1000
;
494 mii_info
->speed
= SPEED_100
;
497 mii_info
->duplex
= DUPLEX_FULL
;
501 mii_info
->advertising
= (ADVERTISED_10baseT_Half
|
502 ADVERTISED_10baseT_Full
|
503 ADVERTISED_100baseT_Half
|
504 ADVERTISED_100baseT_Full
|
505 ADVERTISED_1000baseT_Full
);
506 mii_info
->autoneg
= 1;
507 mii_info
->mii_id
= uec
->uec_info
->phy_address
;
510 mii_info
->mdio_read
= &uec_read_phy_reg
;
511 mii_info
->mdio_write
= &uec_write_phy_reg
;
513 uec
->mii_info
= mii_info
;
515 qe_set_mii_clk_src(uec
->uec_info
->uf_info
.ucc_num
);
517 if (init_mii_management_configuration(umii_regs
)) {
518 printf("%s: The MII Bus is stuck!", dev
->name
);
523 /* get info for this PHY */
524 curphy
= uec_get_phy_info(uec
->mii_info
);
526 printf("%s: No PHY found", dev
->name
);
531 mii_info
->phyinfo
= curphy
;
533 /* Run the commands which initialize the PHY */
535 err
= curphy
->init(uec
->mii_info
);
549 static void adjust_link(struct eth_device
*dev
)
551 uec_private_t
*uec
= (uec_private_t
*)dev
->priv
;
553 struct uec_mii_info
*mii_info
= uec
->mii_info
;
555 extern void change_phy_interface_mode(struct eth_device
*dev
,
556 enet_interface_e mode
);
557 uec_regs
= uec
->uec_regs
;
559 if (mii_info
->link
) {
560 /* Now we make sure that we can be in full duplex mode.
561 * If not, we operate in half-duplex mode. */
562 if (mii_info
->duplex
!= uec
->oldduplex
) {
563 if (!(mii_info
->duplex
)) {
564 uec_set_mac_duplex(uec
, DUPLEX_HALF
);
565 printf("%s: Half Duplex\n", dev
->name
);
567 uec_set_mac_duplex(uec
, DUPLEX_FULL
);
568 printf("%s: Full Duplex\n", dev
->name
);
570 uec
->oldduplex
= mii_info
->duplex
;
573 if (mii_info
->speed
!= uec
->oldspeed
) {
574 if (uec
->uec_info
->uf_info
.eth_type
== GIGA_ETH
) {
575 switch (mii_info
->speed
) {
579 printf ("switching to rgmii 100\n");
580 /* change phy to rgmii 100 */
581 change_phy_interface_mode(dev
,
583 /* change the MAC interface mode */
584 uec_set_mac_if_mode(uec
,ENET_100_RGMII
);
587 printf ("switching to rgmii 10\n");
588 /* change phy to rgmii 10 */
589 change_phy_interface_mode(dev
,
591 /* change the MAC interface mode */
592 uec_set_mac_if_mode(uec
,ENET_10_RGMII
);
595 printf("%s: Ack,Speed(%d)is illegal\n",
596 dev
->name
, mii_info
->speed
);
601 printf("%s: Speed %dBT\n", dev
->name
, mii_info
->speed
);
602 uec
->oldspeed
= mii_info
->speed
;
606 printf("%s: Link is up\n", dev
->name
);
610 } else { /* if (mii_info->link) */
612 printf("%s: Link is down\n", dev
->name
);
620 static void phy_change(struct eth_device
*dev
)
622 uec_private_t
*uec
= (uec_private_t
*)dev
->priv
;
624 /* Update the link, speed, duplex */
625 uec
->mii_info
->phyinfo
->read_status(uec
->mii_info
);
627 /* Adjust the interface according to speed */
631 static int uec_set_mac_address(uec_private_t
*uec
, u8
*mac_addr
)
638 printf("%s: uec not initial\n", __FUNCTION__
);
642 uec_regs
= uec
->uec_regs
;
644 /* if a station address of 0x12345678ABCD, perform a write to
645 MACSTNADDR1 of 0xCDAB7856,
646 MACSTNADDR2 of 0x34120000 */
648 mac_addr1
= (mac_addr
[5] << 24) | (mac_addr
[4] << 16) | \
649 (mac_addr
[3] << 8) | (mac_addr
[2]);
650 out_be32(&uec_regs
->macstnaddr1
, mac_addr1
);
652 mac_addr2
= ((mac_addr
[1] << 24) | (mac_addr
[0] << 16)) & 0xffff0000;
653 out_be32(&uec_regs
->macstnaddr2
, mac_addr2
);
658 static int uec_convert_threads_num(uec_num_of_threads_e threads_num
,
659 int *threads_num_ret
)
661 int num_threads_numerica
;
663 switch (threads_num
) {
664 case UEC_NUM_OF_THREADS_1
:
665 num_threads_numerica
= 1;
667 case UEC_NUM_OF_THREADS_2
:
668 num_threads_numerica
= 2;
670 case UEC_NUM_OF_THREADS_4
:
671 num_threads_numerica
= 4;
673 case UEC_NUM_OF_THREADS_6
:
674 num_threads_numerica
= 6;
676 case UEC_NUM_OF_THREADS_8
:
677 num_threads_numerica
= 8;
680 printf("%s: Bad number of threads value.",
685 *threads_num_ret
= num_threads_numerica
;
690 static void uec_init_tx_parameter(uec_private_t
*uec
, int num_threads_tx
)
692 uec_info_t
*uec_info
;
697 uec_info
= uec
->uec_info
;
699 /* Alloc global Tx parameter RAM page */
700 uec
->tx_glbl_pram_offset
= qe_muram_alloc(
701 sizeof(uec_tx_global_pram_t
),
702 UEC_TX_GLOBAL_PRAM_ALIGNMENT
);
703 uec
->p_tx_glbl_pram
= (uec_tx_global_pram_t
*)
704 qe_muram_addr(uec
->tx_glbl_pram_offset
);
706 /* Zero the global Tx prameter RAM */
707 memset(uec
->p_tx_glbl_pram
, 0, sizeof(uec_tx_global_pram_t
));
709 /* Init global Tx parameter RAM */
711 /* TEMODER, RMON statistics disable, one Tx queue */
712 out_be16(&uec
->p_tx_glbl_pram
->temoder
, TEMODER_INIT_VALUE
);
715 uec
->send_q_mem_reg_offset
= qe_muram_alloc(
716 sizeof(uec_send_queue_qd_t
),
717 UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT
);
718 uec
->p_send_q_mem_reg
= (uec_send_queue_mem_region_t
*)
719 qe_muram_addr(uec
->send_q_mem_reg_offset
);
720 out_be32(&uec
->p_tx_glbl_pram
->sqptr
, uec
->send_q_mem_reg_offset
);
722 /* Setup the table with TxBDs ring */
723 end_bd
= (u32
)uec
->p_tx_bd_ring
+ (uec_info
->tx_bd_ring_len
- 1)
725 out_be32(&uec
->p_send_q_mem_reg
->sqqd
[0].bd_ring_base
,
726 (u32
)(uec
->p_tx_bd_ring
));
727 out_be32(&uec
->p_send_q_mem_reg
->sqqd
[0].last_bd_completed_address
,
730 /* Scheduler Base Pointer, we have only one Tx queue, no need it */
731 out_be32(&uec
->p_tx_glbl_pram
->schedulerbasepointer
, 0);
733 /* TxRMON Base Pointer, TxRMON disable, we don't need it */
734 out_be32(&uec
->p_tx_glbl_pram
->txrmonbaseptr
, 0);
736 /* TSTATE, global snooping, big endian, the CSB bus selected */
737 bmrx
= BMR_INIT_VALUE
;
738 out_be32(&uec
->p_tx_glbl_pram
->tstate
, ((u32
)(bmrx
) << BMR_SHIFT
));
741 for (i
= 0; i
< MAX_IPH_OFFSET_ENTRY
; i
++) {
742 out_8(&uec
->p_tx_glbl_pram
->iphoffset
[i
], 0);
746 for (i
= 0; i
< UEC_TX_VTAG_TABLE_ENTRY_MAX
; i
++) {
747 out_be32(&uec
->p_tx_glbl_pram
->vtagtable
[i
], 0);
751 uec
->thread_dat_tx_offset
= qe_muram_alloc(
752 num_threads_tx
* sizeof(uec_thread_data_tx_t
) +
753 32 *(num_threads_tx
== 1), UEC_THREAD_DATA_ALIGNMENT
);
755 uec
->p_thread_data_tx
= (uec_thread_data_tx_t
*)
756 qe_muram_addr(uec
->thread_dat_tx_offset
);
757 out_be32(&uec
->p_tx_glbl_pram
->tqptr
, uec
->thread_dat_tx_offset
);
760 static void uec_init_rx_parameter(uec_private_t
*uec
, int num_threads_rx
)
764 uec_82xx_address_filtering_pram_t
*p_af_pram
;
766 /* Allocate global Rx parameter RAM page */
767 uec
->rx_glbl_pram_offset
= qe_muram_alloc(
768 sizeof(uec_rx_global_pram_t
), UEC_RX_GLOBAL_PRAM_ALIGNMENT
);
769 uec
->p_rx_glbl_pram
= (uec_rx_global_pram_t
*)
770 qe_muram_addr(uec
->rx_glbl_pram_offset
);
772 /* Zero Global Rx parameter RAM */
773 memset(uec
->p_rx_glbl_pram
, 0, sizeof(uec_rx_global_pram_t
));
775 /* Init global Rx parameter RAM */
776 /* REMODER, Extended feature mode disable, VLAN disable,
777 LossLess flow control disable, Receive firmware statisic disable,
778 Extended address parsing mode disable, One Rx queues,
779 Dynamic maximum/minimum frame length disable, IP checksum check
780 disable, IP address alignment disable
782 out_be32(&uec
->p_rx_glbl_pram
->remoder
, REMODER_INIT_VALUE
);
785 uec
->thread_dat_rx_offset
= qe_muram_alloc(
786 num_threads_rx
* sizeof(uec_thread_data_rx_t
),
787 UEC_THREAD_DATA_ALIGNMENT
);
788 uec
->p_thread_data_rx
= (uec_thread_data_rx_t
*)
789 qe_muram_addr(uec
->thread_dat_rx_offset
);
790 out_be32(&uec
->p_rx_glbl_pram
->rqptr
, uec
->thread_dat_rx_offset
);
793 out_be16(&uec
->p_rx_glbl_pram
->typeorlen
, 3072);
795 /* RxRMON base pointer, we don't need it */
796 out_be32(&uec
->p_rx_glbl_pram
->rxrmonbaseptr
, 0);
798 /* IntCoalescingPTR, we don't need it, no interrupt */
799 out_be32(&uec
->p_rx_glbl_pram
->intcoalescingptr
, 0);
801 /* RSTATE, global snooping, big endian, the CSB bus selected */
802 bmrx
= BMR_INIT_VALUE
;
803 out_8(&uec
->p_rx_glbl_pram
->rstate
, bmrx
);
806 out_be16(&uec
->p_rx_glbl_pram
->mrblr
, MAX_RXBUF_LEN
);
809 uec
->rx_bd_qs_tbl_offset
= qe_muram_alloc(
810 sizeof(uec_rx_bd_queues_entry_t
) + \
811 sizeof(uec_rx_prefetched_bds_t
),
812 UEC_RX_BD_QUEUES_ALIGNMENT
);
813 uec
->p_rx_bd_qs_tbl
= (uec_rx_bd_queues_entry_t
*)
814 qe_muram_addr(uec
->rx_bd_qs_tbl_offset
);
817 memset(uec
->p_rx_bd_qs_tbl
, 0, sizeof(uec_rx_bd_queues_entry_t
) + \
818 sizeof(uec_rx_prefetched_bds_t
));
819 out_be32(&uec
->p_rx_glbl_pram
->rbdqptr
, uec
->rx_bd_qs_tbl_offset
);
820 out_be32(&uec
->p_rx_bd_qs_tbl
->externalbdbaseptr
,
821 (u32
)uec
->p_rx_bd_ring
);
824 out_be16(&uec
->p_rx_glbl_pram
->mflr
, MAX_FRAME_LEN
);
826 out_be16(&uec
->p_rx_glbl_pram
->minflr
, MIN_FRAME_LEN
);
828 out_be16(&uec
->p_rx_glbl_pram
->maxd1
, MAX_DMA1_LEN
);
830 out_be16(&uec
->p_rx_glbl_pram
->maxd2
, MAX_DMA2_LEN
);
832 out_be32(&uec
->p_rx_glbl_pram
->ecamptr
, 0);
834 out_be32(&uec
->p_rx_glbl_pram
->l2qt
, 0);
836 for (i
= 0; i
< 8; i
++) {
837 out_be32(&uec
->p_rx_glbl_pram
->l3qt
[i
], 0);
841 out_be16(&uec
->p_rx_glbl_pram
->vlantype
, 0x8100);
843 out_be16(&uec
->p_rx_glbl_pram
->vlantci
, 0);
845 /* Clear PQ2 style address filtering hash table */
846 p_af_pram
= (uec_82xx_address_filtering_pram_t
*) \
847 uec
->p_rx_glbl_pram
->addressfiltering
;
849 p_af_pram
->iaddr_h
= 0;
850 p_af_pram
->iaddr_l
= 0;
851 p_af_pram
->gaddr_h
= 0;
852 p_af_pram
->gaddr_l
= 0;
855 static int uec_issue_init_enet_rxtx_cmd(uec_private_t
*uec
,
856 int thread_tx
, int thread_rx
)
858 uec_init_cmd_pram_t
*p_init_enet_param
;
859 u32 init_enet_param_offset
;
860 uec_info_t
*uec_info
;
863 u32 init_enet_offset
;
868 uec_info
= uec
->uec_info
;
870 /* Allocate init enet command parameter */
871 uec
->init_enet_param_offset
= qe_muram_alloc(
872 sizeof(uec_init_cmd_pram_t
), 4);
873 init_enet_param_offset
= uec
->init_enet_param_offset
;
874 uec
->p_init_enet_param
= (uec_init_cmd_pram_t
*)
875 qe_muram_addr(uec
->init_enet_param_offset
);
877 /* Zero init enet command struct */
878 memset((void *)uec
->p_init_enet_param
, 0, sizeof(uec_init_cmd_pram_t
));
880 /* Init the command struct */
881 p_init_enet_param
= uec
->p_init_enet_param
;
882 p_init_enet_param
->resinit0
= ENET_INIT_PARAM_MAGIC_RES_INIT0
;
883 p_init_enet_param
->resinit1
= ENET_INIT_PARAM_MAGIC_RES_INIT1
;
884 p_init_enet_param
->resinit2
= ENET_INIT_PARAM_MAGIC_RES_INIT2
;
885 p_init_enet_param
->resinit3
= ENET_INIT_PARAM_MAGIC_RES_INIT3
;
886 p_init_enet_param
->resinit4
= ENET_INIT_PARAM_MAGIC_RES_INIT4
;
887 p_init_enet_param
->largestexternallookupkeysize
= 0;
889 p_init_enet_param
->rgftgfrxglobal
|= ((u32
)uec_info
->num_threads_rx
)
890 << ENET_INIT_PARAM_RGF_SHIFT
;
891 p_init_enet_param
->rgftgfrxglobal
|= ((u32
)uec_info
->num_threads_tx
)
892 << ENET_INIT_PARAM_TGF_SHIFT
;
894 /* Init Rx global parameter pointer */
895 p_init_enet_param
->rgftgfrxglobal
|= uec
->rx_glbl_pram_offset
|
896 (u32
)uec_info
->riscRx
;
898 /* Init Rx threads */
899 for (i
= 0; i
< (thread_rx
+ 1); i
++) {
900 if ((snum
= qe_get_snum()) < 0) {
901 printf("%s can not get snum\n", __FUNCTION__
);
906 init_enet_offset
= 0;
908 init_enet_offset
= qe_muram_alloc(
909 sizeof(uec_thread_rx_pram_t
),
910 UEC_THREAD_RX_PRAM_ALIGNMENT
);
913 entry_val
= ((u32
)snum
<< ENET_INIT_PARAM_SNUM_SHIFT
) |
914 init_enet_offset
| (u32
)uec_info
->riscRx
;
915 p_init_enet_param
->rxthread
[i
] = entry_val
;
918 /* Init Tx global parameter pointer */
919 p_init_enet_param
->txglobal
= uec
->tx_glbl_pram_offset
|
920 (u32
)uec_info
->riscTx
;
922 /* Init Tx threads */
923 for (i
= 0; i
< thread_tx
; i
++) {
924 if ((snum
= qe_get_snum()) < 0) {
925 printf("%s can not get snum\n", __FUNCTION__
);
929 init_enet_offset
= qe_muram_alloc(sizeof(uec_thread_tx_pram_t
),
930 UEC_THREAD_TX_PRAM_ALIGNMENT
);
932 entry_val
= ((u32
)snum
<< ENET_INIT_PARAM_SNUM_SHIFT
) |
933 init_enet_offset
| (u32
)uec_info
->riscTx
;
934 p_init_enet_param
->txthread
[i
] = entry_val
;
937 __asm__
__volatile__("sync");
939 /* Issue QE command */
940 command
= QE_INIT_TX_RX
;
941 cecr_subblock
= ucc_fast_get_qe_cr_subblock(
942 uec
->uec_info
->uf_info
.ucc_num
);
943 qe_issue_cmd(command
, cecr_subblock
, (u8
) QE_CR_PROTOCOL_ETHERNET
,
944 init_enet_param_offset
);
949 static int uec_startup(uec_private_t
*uec
)
951 uec_info_t
*uec_info
;
952 ucc_fast_info_t
*uf_info
;
953 ucc_fast_private_t
*uccf
;
959 enet_interface_e enet_interface
;
966 if (!uec
|| !uec
->uec_info
) {
967 printf("%s: uec or uec_info not initial\n", __FUNCTION__
);
971 uec_info
= uec
->uec_info
;
972 uf_info
= &(uec_info
->uf_info
);
974 /* Check if Rx BD ring len is illegal */
975 if ((uec_info
->rx_bd_ring_len
< UEC_RX_BD_RING_SIZE_MIN
) || \
976 (uec_info
->rx_bd_ring_len
% UEC_RX_BD_RING_SIZE_ALIGNMENT
)) {
977 printf("%s: Rx BD ring len must be multiple of 4, and > 8.\n",
982 /* Check if Tx BD ring len is illegal */
983 if (uec_info
->tx_bd_ring_len
< UEC_TX_BD_RING_SIZE_MIN
) {
984 printf("%s: Tx BD ring length must not be smaller than 2.\n",
989 /* Check if MRBLR is illegal */
990 if ((MAX_RXBUF_LEN
== 0) || (MAX_RXBUF_LEN
% UEC_MRBLR_ALIGNMENT
)) {
991 printf("%s: max rx buffer length must be mutliple of 128.\n",
996 /* Both Rx and Tx are stopped */
997 uec
->grace_stopped_rx
= 1;
998 uec
->grace_stopped_tx
= 1;
1001 if (ucc_fast_init(uf_info
, &uccf
)) {
1002 printf("%s: failed to init ucc fast\n", __FUNCTION__
);
1009 /* Convert the Tx threads number */
1010 if (uec_convert_threads_num(uec_info
->num_threads_tx
,
1015 /* Convert the Rx threads number */
1016 if (uec_convert_threads_num(uec_info
->num_threads_rx
,
1021 uf_regs
= uccf
->uf_regs
;
1023 /* UEC register is following UCC fast registers */
1024 uec_regs
= (uec_t
*)(&uf_regs
->ucc_eth
);
1026 /* Save the UEC register pointer to UEC private struct */
1027 uec
->uec_regs
= uec_regs
;
1029 /* Init UPSMR, enable hardware statistics (UCC) */
1030 out_be32(&uec
->uccf
->uf_regs
->upsmr
, UPSMR_INIT_VALUE
);
1032 /* Init MACCFG1, flow control disable, disable Tx and Rx */
1033 out_be32(&uec_regs
->maccfg1
, MACCFG1_INIT_VALUE
);
1035 /* Init MACCFG2, length check, MAC PAD and CRC enable */
1036 out_be32(&uec_regs
->maccfg2
, MACCFG2_INIT_VALUE
);
1038 /* Setup MAC interface mode */
1039 uec_set_mac_if_mode(uec
, uec_info
->enet_interface
);
1041 /* Setup MII management base */
1042 #ifndef CONFIG_eTSEC_MDIO_BUS
1043 uec
->uec_mii_regs
= (uec_mii_t
*)(&uec_regs
->miimcfg
);
1045 uec
->uec_mii_regs
= (uec_mii_t
*) CONFIG_MIIM_ADDRESS
;
1048 /* Setup MII master clock source */
1049 qe_set_mii_clk_src(uec_info
->uf_info
.ucc_num
);
1052 utbipar
= in_be32(&uec_regs
->utbipar
);
1053 utbipar
&= ~UTBIPAR_PHY_ADDRESS_MASK
;
1054 enet_interface
= uec
->uec_info
->enet_interface
;
1055 if (enet_interface
== ENET_1000_TBI
||
1056 enet_interface
== ENET_1000_RTBI
) {
1057 utbipar
|= (uec_info
->phy_address
+ uec_info
->uf_info
.ucc_num
)
1058 << UTBIPAR_PHY_ADDRESS_SHIFT
;
1060 utbipar
|= (0x10 + uec_info
->uf_info
.ucc_num
)
1061 << UTBIPAR_PHY_ADDRESS_SHIFT
;
1064 out_be32(&uec_regs
->utbipar
, utbipar
);
1066 /* Allocate Tx BDs */
1067 length
= ((uec_info
->tx_bd_ring_len
* SIZEOFBD
) /
1068 UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT
) *
1069 UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT
;
1070 if ((uec_info
->tx_bd_ring_len
* SIZEOFBD
) %
1071 UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT
) {
1072 length
+= UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT
;
1075 align
= UEC_TX_BD_RING_ALIGNMENT
;
1076 uec
->tx_bd_ring_offset
= (u32
)malloc((u32
)(length
+ align
));
1077 if (uec
->tx_bd_ring_offset
!= 0) {
1078 uec
->p_tx_bd_ring
= (u8
*)((uec
->tx_bd_ring_offset
+ align
)
1082 /* Zero all of Tx BDs */
1083 memset((void *)(uec
->tx_bd_ring_offset
), 0, length
+ align
);
1085 /* Allocate Rx BDs */
1086 length
= uec_info
->rx_bd_ring_len
* SIZEOFBD
;
1087 align
= UEC_RX_BD_RING_ALIGNMENT
;
1088 uec
->rx_bd_ring_offset
= (u32
)(malloc((u32
)(length
+ align
)));
1089 if (uec
->rx_bd_ring_offset
!= 0) {
1090 uec
->p_rx_bd_ring
= (u8
*)((uec
->rx_bd_ring_offset
+ align
)
1094 /* Zero all of Rx BDs */
1095 memset((void *)(uec
->rx_bd_ring_offset
), 0, length
+ align
);
1097 /* Allocate Rx buffer */
1098 length
= uec_info
->rx_bd_ring_len
* MAX_RXBUF_LEN
;
1099 align
= UEC_RX_DATA_BUF_ALIGNMENT
;
1100 uec
->rx_buf_offset
= (u32
)malloc(length
+ align
);
1101 if (uec
->rx_buf_offset
!= 0) {
1102 uec
->p_rx_buf
= (u8
*)((uec
->rx_buf_offset
+ align
)
1106 /* Zero all of the Rx buffer */
1107 memset((void *)(uec
->rx_buf_offset
), 0, length
+ align
);
1109 /* Init TxBD ring */
1110 bd
= (qe_bd_t
*)uec
->p_tx_bd_ring
;
1113 for (i
= 0; i
< uec_info
->tx_bd_ring_len
; i
++) {
1115 BD_STATUS_SET(bd
, 0);
1116 BD_LENGTH_SET(bd
, 0);
1119 BD_STATUS_SET((--bd
), TxBD_WRAP
);
1121 /* Init RxBD ring */
1122 bd
= (qe_bd_t
*)uec
->p_rx_bd_ring
;
1124 buf
= uec
->p_rx_buf
;
1125 for (i
= 0; i
< uec_info
->rx_bd_ring_len
; i
++) {
1126 BD_DATA_SET(bd
, buf
);
1127 BD_LENGTH_SET(bd
, 0);
1128 BD_STATUS_SET(bd
, RxBD_EMPTY
);
1129 buf
+= MAX_RXBUF_LEN
;
1132 BD_STATUS_SET((--bd
), RxBD_WRAP
| RxBD_EMPTY
);
1134 /* Init global Tx parameter RAM */
1135 uec_init_tx_parameter(uec
, num_threads_tx
);
1137 /* Init global Rx parameter RAM */
1138 uec_init_rx_parameter(uec
, num_threads_rx
);
1140 /* Init ethernet Tx and Rx parameter command */
1141 if (uec_issue_init_enet_rxtx_cmd(uec
, num_threads_tx
,
1143 printf("%s issue init enet cmd failed\n", __FUNCTION__
);
1150 static int uec_init(struct eth_device
* dev
, bd_t
*bd
)
1154 struct phy_info
*curphy
;
1156 uec
= (uec_private_t
*)dev
->priv
;
1158 if (uec
->the_first_run
== 0) {
1159 err
= init_phy(dev
);
1161 printf("%s: Cannot initialize PHY, aborting.\n",
1166 curphy
= uec
->mii_info
->phyinfo
;
1168 if (curphy
->config_aneg
) {
1169 err
= curphy
->config_aneg(uec
->mii_info
);
1171 printf("%s: Can't negotiate PHY\n", dev
->name
);
1176 /* Give PHYs up to 5 sec to report a link */
1179 err
= curphy
->read_status(uec
->mii_info
);
1181 } while (((i
-- > 0) && !uec
->mii_info
->link
) || err
);
1184 printf("warning: %s: timeout on PHY link\n", dev
->name
);
1186 uec
->the_first_run
= 1;
1189 /* Set up the MAC address */
1190 if (dev
->enetaddr
[0] & 0x01) {
1191 printf("%s: MacAddress is multcast address\n",
1195 uec_set_mac_address(uec
, dev
->enetaddr
);
1198 err
= uec_open(uec
, COMM_DIR_RX_AND_TX
);
1200 printf("%s: cannot enable UEC device\n", dev
->name
);
1206 return (uec
->mii_info
->link
? 0 : -1);
1209 static void uec_halt(struct eth_device
* dev
)
1211 uec_private_t
*uec
= (uec_private_t
*)dev
->priv
;
1212 uec_stop(uec
, COMM_DIR_RX_AND_TX
);
1215 static int uec_send(struct eth_device
* dev
, volatile void *buf
, int len
)
1218 ucc_fast_private_t
*uccf
;
1219 volatile qe_bd_t
*bd
;
1224 uec
= (uec_private_t
*)dev
->priv
;
1228 /* Find an empty TxBD */
1229 for (i
= 0; bd
->status
& TxBD_READY
; i
++) {
1231 printf("%s: tx buffer not ready\n", dev
->name
);
1237 BD_DATA_SET(bd
, buf
);
1238 BD_LENGTH_SET(bd
, len
);
1239 status
= bd
->status
;
1241 status
|= (TxBD_READY
| TxBD_LAST
);
1242 BD_STATUS_SET(bd
, status
);
1244 /* Tell UCC to transmit the buffer */
1245 ucc_fast_transmit_on_demand(uccf
);
1247 /* Wait for buffer to be transmitted */
1248 for (i
= 0; bd
->status
& TxBD_READY
; i
++) {
1250 printf("%s: tx error\n", dev
->name
);
1255 /* Ok, the buffer be transimitted */
1256 BD_ADVANCE(bd
, status
, uec
->p_tx_bd_ring
);
1263 static int uec_recv(struct eth_device
* dev
)
1265 uec_private_t
*uec
= dev
->priv
;
1266 volatile qe_bd_t
*bd
;
1272 status
= bd
->status
;
1274 while (!(status
& RxBD_EMPTY
)) {
1275 if (!(status
& RxBD_ERROR
)) {
1277 len
= BD_LENGTH(bd
);
1278 NetReceive(data
, len
);
1280 printf("%s: Rx error\n", dev
->name
);
1283 BD_LENGTH_SET(bd
, 0);
1284 BD_STATUS_SET(bd
, status
| RxBD_EMPTY
);
1285 BD_ADVANCE(bd
, status
, uec
->p_rx_bd_ring
);
1286 status
= bd
->status
;
1293 int uec_initialize(int index
)
1295 struct eth_device
*dev
;
1298 uec_info_t
*uec_info
;
1301 dev
= (struct eth_device
*)malloc(sizeof(struct eth_device
));
1304 memset(dev
, 0, sizeof(struct eth_device
));
1306 /* Allocate the UEC private struct */
1307 uec
= (uec_private_t
*)malloc(sizeof(uec_private_t
));
1311 memset(uec
, 0, sizeof(uec_private_t
));
1313 /* Init UEC private struct, they come from board.h */
1316 #ifdef CONFIG_UEC_ETH1
1317 uec_info
= ð1_uec_info
;
1319 } else if (index
== 1) {
1320 #ifdef CONFIG_UEC_ETH2
1321 uec_info
= ð2_uec_info
;
1323 } else if (index
== 2) {
1324 #ifdef CONFIG_UEC_ETH3
1325 uec_info
= ð3_uec_info
;
1327 } else if (index
== 3) {
1328 #ifdef CONFIG_UEC_ETH4
1329 uec_info
= ð4_uec_info
;
1332 printf("%s: index is illegal.\n", __FUNCTION__
);
1336 uec
->uec_info
= uec_info
;
1338 sprintf(dev
->name
, "FSL UEC%d", index
);
1340 dev
->priv
= (void *)uec
;
1341 dev
->init
= uec_init
;
1342 dev
->halt
= uec_halt
;
1343 dev
->send
= uec_send
;
1344 dev
->recv
= uec_recv
;
1346 /* Clear the ethnet address */
1347 for (i
= 0; i
< 6; i
++)
1348 dev
->enetaddr
[i
] = 0;
1352 err
= uec_startup(uec
);
1354 printf("%s: Cannot configure net device, aborting.",dev
->name
);
1360 #endif /* CONFIG_QE */