2 * SPDX-License-Identifier: GPL-2.0+
18 #define PCI_CFDA_PSM 0x43
20 #define CFRV_RN 0x000000f0 /* Revision Number */
22 #define WAKEUP 0x00 /* Power Saving Wakeup */
23 #define SLEEP 0x80 /* Power Saving Sleep Mode */
25 #define DC2114x_BRK 0x0020 /* CFRV break between DC21142 & DC21143 */
27 /* Ethernet chip registers.
29 #define DE4X5_BMR 0x000 /* Bus Mode Register */
30 #define DE4X5_TPD 0x008 /* Transmit Poll Demand Reg */
31 #define DE4X5_RRBA 0x018 /* RX Ring Base Address Reg */
32 #define DE4X5_TRBA 0x020 /* TX Ring Base Address Reg */
33 #define DE4X5_STS 0x028 /* Status Register */
34 #define DE4X5_OMR 0x030 /* Operation Mode Register */
35 #define DE4X5_SICR 0x068 /* SIA Connectivity Register */
36 #define DE4X5_APROM 0x048 /* Ethernet Address PROM */
40 #define BMR_SWR 0x00000001 /* Software Reset */
41 #define STS_TS 0x00700000 /* Transmit Process State */
42 #define STS_RS 0x000e0000 /* Receive Process State */
43 #define OMR_ST 0x00002000 /* Start/Stop Transmission Command */
44 #define OMR_SR 0x00000002 /* Start/Stop Receive */
45 #define OMR_PS 0x00040000 /* Port Select */
46 #define OMR_SDP 0x02000000 /* SD Polarity - MUST BE ASSERTED */
47 #define OMR_PM 0x00000080 /* Pass All Multicast */
51 #define R_OWN 0x80000000 /* Own Bit */
52 #define RD_RER 0x02000000 /* Receive End Of Ring */
53 #define RD_LS 0x00000100 /* Last Descriptor */
54 #define RD_ES 0x00008000 /* Error Summary */
55 #define TD_TER 0x02000000 /* Transmit End Of Ring */
56 #define T_OWN 0x80000000 /* Own Bit */
57 #define TD_LS 0x40000000 /* Last Segment */
58 #define TD_FS 0x20000000 /* First Segment */
59 #define TD_ES 0x00008000 /* Error Summary */
60 #define TD_SET 0x08000000 /* Setup Packet */
62 /* The EEPROM commands include the alway-set leading bit. */
63 #define SROM_WRITE_CMD 5
64 #define SROM_READ_CMD 6
65 #define SROM_ERASE_CMD 7
67 #define SROM_HWADD 0x0014 /* Hardware Address offset in SROM */
68 #define SROM_RD 0x00004000 /* Read from Boot ROM */
69 #define EE_DATA_WRITE 0x04 /* EEPROM chip data in. */
70 #define EE_WRITE_0 0x4801
71 #define EE_WRITE_1 0x4805
72 #define EE_DATA_READ 0x08 /* EEPROM chip data out. */
73 #define SROM_SR 0x00000800 /* Select Serial ROM when set */
75 #define DT_IN 0x00000004 /* Serial Data In */
76 #define DT_CLK 0x00000002 /* Serial ROM Clock */
77 #define DT_CS 0x00000001 /* Serial ROM Chip Select */
81 #ifdef CONFIG_TULIP_FIX_DAVICOM
82 #define RESET_DM9102(dev) {\
86 OUTL(dev, i | BMR_SWR, DE4X5_BMR);\
90 #define RESET_DE4X5(dev) {\
92 i=INL(dev, DE4X5_BMR);\
94 OUTL(dev, i | BMR_SWR, DE4X5_BMR);\
96 OUTL(dev, i, DE4X5_BMR);\
98 for (i=0;i<5;i++) {INL(dev, DE4X5_BMR); udelay(10000);}\
103 #define START_DE4X5(dev) {\
105 omr = INL(dev, DE4X5_OMR);\
106 omr |= OMR_ST | OMR_SR;\
107 OUTL(dev, omr, DE4X5_OMR); /* Enable the TX and/or RX */\
110 #define STOP_DE4X5(dev) {\
112 omr = INL(dev, DE4X5_OMR);\
113 omr &= ~(OMR_ST|OMR_SR);\
114 OUTL(dev, omr, DE4X5_OMR); /* Disable the TX and/or RX */ \
117 #define NUM_RX_DESC PKTBUFSRX
118 #ifndef CONFIG_TULIP_FIX_DAVICOM
119 #define NUM_TX_DESC 1 /* Number of TX descriptors */
121 #define NUM_TX_DESC 4
123 #define RX_BUFF_SZ PKTSIZE_ALIGN
125 #define TOUT_LOOP 1000000
127 #define SETUP_FRAME_LEN 192
137 static struct de4x5_desc rx_ring
[NUM_RX_DESC
] __attribute__ ((aligned(32))); /* RX descriptor ring */
138 static struct de4x5_desc tx_ring
[NUM_TX_DESC
] __attribute__ ((aligned(32))); /* TX descriptor ring */
139 static int rx_new
; /* RX descriptor ring pointer */
140 static int tx_new
; /* TX descriptor ring pointer */
142 static char rxRingSize
;
143 static char txRingSize
;
145 #if defined(UPDATE_SROM) || !defined(CONFIG_TULIP_FIX_DAVICOM)
146 static void sendto_srom(struct eth_device
* dev
, u_int command
, u_long addr
);
147 static int getfrom_srom(struct eth_device
* dev
, u_long addr
);
148 static int do_eeprom_cmd(struct eth_device
*dev
, u_long ioaddr
,int cmd
,int cmd_len
);
149 static int do_read_eeprom(struct eth_device
*dev
,u_long ioaddr
,int location
,int addr_len
);
150 #endif /* UPDATE_SROM || !CONFIG_TULIP_FIX_DAVICOM */
152 static int write_srom(struct eth_device
*dev
, u_long ioaddr
, int index
, int new_value
);
153 static void update_srom(struct eth_device
*dev
, bd_t
*bis
);
155 #ifndef CONFIG_TULIP_FIX_DAVICOM
156 static int read_srom(struct eth_device
*dev
, u_long ioaddr
, int index
);
157 static void read_hw_addr(struct eth_device
* dev
, bd_t
* bis
);
158 #endif /* CONFIG_TULIP_FIX_DAVICOM */
159 static void send_setup_frame(struct eth_device
* dev
, bd_t
* bis
);
161 static int dc21x4x_init(struct eth_device
* dev
, bd_t
* bis
);
162 static int dc21x4x_send(struct eth_device
*dev
, void *packet
, int length
);
163 static int dc21x4x_recv(struct eth_device
* dev
);
164 static void dc21x4x_halt(struct eth_device
* dev
);
165 #ifdef CONFIG_TULIP_SELECT_MEDIA
166 extern void dc21x4x_select_media(struct eth_device
* dev
);
169 #if defined(CONFIG_E500)
170 #define phys_to_bus(a) (a)
172 #define phys_to_bus(a) pci_phys_to_mem((pci_dev_t)dev->priv, a)
175 static int INL(struct eth_device
* dev
, u_long addr
)
177 return le32_to_cpu(*(volatile u_long
*)(addr
+ dev
->iobase
));
180 static void OUTL(struct eth_device
* dev
, int command
, u_long addr
)
182 *(volatile u_long
*)(addr
+ dev
->iobase
) = cpu_to_le32(command
);
185 static struct pci_device_id supported
[] = {
186 { PCI_VENDOR_ID_DEC
, PCI_DEVICE_ID_DEC_TULIP_FAST
},
187 { PCI_VENDOR_ID_DEC
, PCI_DEVICE_ID_DEC_21142
},
188 #ifdef CONFIG_TULIP_FIX_DAVICOM
189 { PCI_VENDOR_ID_DAVICOM
, PCI_DEVICE_ID_DAVICOM_DM9102A
},
194 int dc21x4x_initialize(bd_t
*bis
)
202 unsigned short status
;
203 struct eth_device
* dev
;
206 devbusfn
= pci_find_devices(supported
, idx
++);
207 if (devbusfn
== -1) {
211 /* Get the chip configuration revision register. */
212 pci_read_config_dword(devbusfn
, PCI_REVISION_ID
, &cfrv
);
214 #ifndef CONFIG_TULIP_FIX_DAVICOM
215 if ((cfrv
& CFRV_RN
) < DC2114x_BRK
) {
216 printf("Error: The chip is not DC21143.\n");
221 pci_read_config_word(devbusfn
, PCI_COMMAND
, &status
);
223 #ifdef CONFIG_TULIP_USE_IO
229 pci_write_config_word(devbusfn
, PCI_COMMAND
, status
);
231 pci_read_config_word(devbusfn
, PCI_COMMAND
, &status
);
232 #ifdef CONFIG_TULIP_USE_IO
233 if (!(status
& PCI_COMMAND_IO
)) {
234 printf("Error: Can not enable I/O access.\n");
238 if (!(status
& PCI_COMMAND_MEMORY
)) {
239 printf("Error: Can not enable MEMORY access.\n");
244 if (!(status
& PCI_COMMAND_MASTER
)) {
245 printf("Error: Can not enable Bus Mastering.\n");
249 /* Check the latency timer for values >= 0x60. */
250 pci_read_config_byte(devbusfn
, PCI_LATENCY_TIMER
, &timer
);
253 pci_write_config_byte(devbusfn
, PCI_LATENCY_TIMER
, 0x60);
256 #ifdef CONFIG_TULIP_USE_IO
257 /* read BAR for memory space access */
258 pci_read_config_dword(devbusfn
, PCI_BASE_ADDRESS_0
, &iobase
);
259 iobase
&= PCI_BASE_ADDRESS_IO_MASK
;
261 /* read BAR for memory space access */
262 pci_read_config_dword(devbusfn
, PCI_BASE_ADDRESS_1
, &iobase
);
263 iobase
&= PCI_BASE_ADDRESS_MEM_MASK
;
265 debug ("dc21x4x: DEC 21142 PCI Device @0x%x\n", iobase
);
267 dev
= (struct eth_device
*) malloc(sizeof *dev
);
270 printf("Can not allocalte memory of dc21x4x\n");
273 memset(dev
, 0, sizeof(*dev
));
275 #ifdef CONFIG_TULIP_FIX_DAVICOM
276 sprintf(dev
->name
, "Davicom#%d", card_number
);
278 sprintf(dev
->name
, "dc21x4x#%d", card_number
);
281 #ifdef CONFIG_TULIP_USE_IO
282 dev
->iobase
= pci_io_to_phys(devbusfn
, iobase
);
284 dev
->iobase
= pci_mem_to_phys(devbusfn
, iobase
);
286 dev
->priv
= (void*) devbusfn
;
287 dev
->init
= dc21x4x_init
;
288 dev
->halt
= dc21x4x_halt
;
289 dev
->send
= dc21x4x_send
;
290 dev
->recv
= dc21x4x_recv
;
292 /* Ensure we're not sleeping. */
293 pci_write_config_byte(devbusfn
, PCI_CFDA_PSM
, WAKEUP
);
297 #ifndef CONFIG_TULIP_FIX_DAVICOM
298 read_hw_addr(dev
, bis
);
308 static int dc21x4x_init(struct eth_device
* dev
, bd_t
* bis
)
311 int devbusfn
= (int) dev
->priv
;
313 /* Ensure we're not sleeping. */
314 pci_write_config_byte(devbusfn
, PCI_CFDA_PSM
, WAKEUP
);
316 #ifdef CONFIG_TULIP_FIX_DAVICOM
322 if ((INL(dev
, DE4X5_STS
) & (STS_TS
| STS_RS
)) != 0) {
323 printf("Error: Cannot reset ethernet controller.\n");
327 #ifdef CONFIG_TULIP_SELECT_MEDIA
328 dc21x4x_select_media(dev
);
330 OUTL(dev
, OMR_SDP
| OMR_PS
| OMR_PM
, DE4X5_OMR
);
333 for (i
= 0; i
< NUM_RX_DESC
; i
++) {
334 rx_ring
[i
].status
= cpu_to_le32(R_OWN
);
335 rx_ring
[i
].des1
= cpu_to_le32(RX_BUFF_SZ
);
336 rx_ring
[i
].buf
= cpu_to_le32(
337 phys_to_bus((u32
)net_rx_packets
[i
]));
338 #ifdef CONFIG_TULIP_FIX_DAVICOM
339 rx_ring
[i
].next
= cpu_to_le32(
340 phys_to_bus((u32
)&rx_ring
[(i
+ 1) % NUM_RX_DESC
]));
346 for (i
=0; i
< NUM_TX_DESC
; i
++) {
347 tx_ring
[i
].status
= 0;
351 #ifdef CONFIG_TULIP_FIX_DAVICOM
352 tx_ring
[i
].next
= cpu_to_le32(phys_to_bus((u32
) &tx_ring
[(i
+1) % NUM_TX_DESC
]));
358 rxRingSize
= NUM_RX_DESC
;
359 txRingSize
= NUM_TX_DESC
;
361 /* Write the end of list marker to the descriptor lists. */
362 rx_ring
[rxRingSize
- 1].des1
|= cpu_to_le32(RD_RER
);
363 tx_ring
[txRingSize
- 1].des1
|= cpu_to_le32(TD_TER
);
365 /* Tell the adapter where the TX/RX rings are located. */
366 OUTL(dev
, phys_to_bus((u32
) &rx_ring
), DE4X5_RRBA
);
367 OUTL(dev
, phys_to_bus((u32
) &tx_ring
), DE4X5_TRBA
);
374 send_setup_frame(dev
, bis
);
379 static int dc21x4x_send(struct eth_device
*dev
, void *packet
, int length
)
385 printf("%s: bad packet size: %d\n", dev
->name
, length
);
389 for(i
= 0; tx_ring
[tx_new
].status
& cpu_to_le32(T_OWN
); i
++) {
390 if (i
>= TOUT_LOOP
) {
391 printf("%s: tx error buffer not ready\n", dev
->name
);
396 tx_ring
[tx_new
].buf
= cpu_to_le32(phys_to_bus((u32
) packet
));
397 tx_ring
[tx_new
].des1
= cpu_to_le32(TD_TER
| TD_LS
| TD_FS
| length
);
398 tx_ring
[tx_new
].status
= cpu_to_le32(T_OWN
);
400 OUTL(dev
, POLL_DEMAND
, DE4X5_TPD
);
402 for(i
= 0; tx_ring
[tx_new
].status
& cpu_to_le32(T_OWN
); i
++) {
403 if (i
>= TOUT_LOOP
) {
404 printf(".%s: tx buffer not ready\n", dev
->name
);
409 if (le32_to_cpu(tx_ring
[tx_new
].status
) & TD_ES
) {
410 #if 0 /* test-only */
411 printf("TX error status = 0x%08X\n",
412 le32_to_cpu(tx_ring
[tx_new
].status
));
414 tx_ring
[tx_new
].status
= 0x0;
421 tx_new
= (tx_new
+1) % NUM_TX_DESC
;
425 static int dc21x4x_recv(struct eth_device
* dev
)
431 status
= (s32
)le32_to_cpu(rx_ring
[rx_new
].status
);
433 if (status
& R_OWN
) {
437 if (status
& RD_LS
) {
438 /* Valid frame status.
440 if (status
& RD_ES
) {
442 /* There was an error.
444 printf("RX error status = 0x%08X\n", status
);
446 /* A valid frame received.
448 length
= (le32_to_cpu(rx_ring
[rx_new
].status
) >> 16);
450 /* Pass the packet up to the protocol
453 net_process_received_packet(
454 net_rx_packets
[rx_new
], length
- 4);
457 /* Change buffer ownership for this frame, back
460 rx_ring
[rx_new
].status
= cpu_to_le32(R_OWN
);
463 /* Update entry information.
465 rx_new
= (rx_new
+ 1) % rxRingSize
;
471 static void dc21x4x_halt(struct eth_device
* dev
)
473 int devbusfn
= (int) dev
->priv
;
476 OUTL(dev
, 0, DE4X5_SICR
);
478 pci_write_config_byte(devbusfn
, PCI_CFDA_PSM
, SLEEP
);
481 static void send_setup_frame(struct eth_device
* dev
, bd_t
*bis
)
484 char setup_frame
[SETUP_FRAME_LEN
];
485 char *pa
= &setup_frame
[0];
487 memset(pa
, 0xff, SETUP_FRAME_LEN
);
489 for (i
= 0; i
< ETH_ALEN
; i
++) {
490 *(pa
+ (i
& 1)) = dev
->enetaddr
[i
];
496 for(i
= 0; tx_ring
[tx_new
].status
& cpu_to_le32(T_OWN
); i
++) {
497 if (i
>= TOUT_LOOP
) {
498 printf("%s: tx error buffer not ready\n", dev
->name
);
503 tx_ring
[tx_new
].buf
= cpu_to_le32(phys_to_bus((u32
) &setup_frame
[0]));
504 tx_ring
[tx_new
].des1
= cpu_to_le32(TD_TER
| TD_SET
| SETUP_FRAME_LEN
);
505 tx_ring
[tx_new
].status
= cpu_to_le32(T_OWN
);
507 OUTL(dev
, POLL_DEMAND
, DE4X5_TPD
);
509 for(i
= 0; tx_ring
[tx_new
].status
& cpu_to_le32(T_OWN
); i
++) {
510 if (i
>= TOUT_LOOP
) {
511 printf("%s: tx buffer not ready\n", dev
->name
);
516 if (le32_to_cpu(tx_ring
[tx_new
].status
) != 0x7FFFFFFF) {
517 printf("TX error status2 = 0x%08X\n", le32_to_cpu(tx_ring
[tx_new
].status
));
519 tx_new
= (tx_new
+1) % NUM_TX_DESC
;
525 #if defined(UPDATE_SROM) || !defined(CONFIG_TULIP_FIX_DAVICOM)
526 /* SROM Read and write routines.
529 sendto_srom(struct eth_device
* dev
, u_int command
, u_long addr
)
531 OUTL(dev
, command
, addr
);
536 getfrom_srom(struct eth_device
* dev
, u_long addr
)
540 tmp
= INL(dev
, addr
);
546 /* Note: this routine returns extra data bits for size detection. */
547 static int do_read_eeprom(struct eth_device
*dev
, u_long ioaddr
, int location
, int addr_len
)
551 int read_cmd
= location
| (SROM_READ_CMD
<< addr_len
);
553 sendto_srom(dev
, SROM_RD
| SROM_SR
, ioaddr
);
554 sendto_srom(dev
, SROM_RD
| SROM_SR
| DT_CS
, ioaddr
);
557 printf(" EEPROM read at %d ", location
);
560 /* Shift the read command bits out. */
561 for (i
= 4 + addr_len
; i
>= 0; i
--) {
562 short dataval
= (read_cmd
& (1 << i
)) ? EE_DATA_WRITE
: 0;
563 sendto_srom(dev
, SROM_RD
| SROM_SR
| DT_CS
| dataval
, ioaddr
);
565 sendto_srom(dev
, SROM_RD
| SROM_SR
| DT_CS
| dataval
| DT_CLK
, ioaddr
);
568 printf("%X", getfrom_srom(dev
, ioaddr
) & 15);
570 retval
= (retval
<< 1) | ((getfrom_srom(dev
, ioaddr
) & EE_DATA_READ
) ? 1 : 0);
573 sendto_srom(dev
, SROM_RD
| SROM_SR
| DT_CS
, ioaddr
);
576 printf(" :%X:", getfrom_srom(dev
, ioaddr
) & 15);
579 for (i
= 16; i
> 0; i
--) {
580 sendto_srom(dev
, SROM_RD
| SROM_SR
| DT_CS
| DT_CLK
, ioaddr
);
583 printf("%X", getfrom_srom(dev
, ioaddr
) & 15);
585 retval
= (retval
<< 1) | ((getfrom_srom(dev
, ioaddr
) & EE_DATA_READ
) ? 1 : 0);
586 sendto_srom(dev
, SROM_RD
| SROM_SR
| DT_CS
, ioaddr
);
590 /* Terminate the EEPROM access. */
591 sendto_srom(dev
, SROM_RD
| SROM_SR
, ioaddr
);
594 printf(" EEPROM value at %d is %5.5x.\n", location
, retval
);
599 #endif /* UPDATE_SROM || !CONFIG_TULIP_FIX_DAVICOM */
601 /* This executes a generic EEPROM command, typically a write or write
602 * enable. It returns the data output from the EEPROM, and thus may
603 * also be used for reads.
605 #if defined(UPDATE_SROM) || !defined(CONFIG_TULIP_FIX_DAVICOM)
606 static int do_eeprom_cmd(struct eth_device
*dev
, u_long ioaddr
, int cmd
, int cmd_len
)
611 printf(" EEPROM op 0x%x: ", cmd
);
614 sendto_srom(dev
,SROM_RD
| SROM_SR
| DT_CS
| DT_CLK
, ioaddr
);
616 /* Shift the command bits out. */
618 short dataval
= (cmd
& (1 << cmd_len
)) ? EE_WRITE_1
: EE_WRITE_0
;
619 sendto_srom(dev
,dataval
, ioaddr
);
623 printf("%X", getfrom_srom(dev
,ioaddr
) & 15);
626 sendto_srom(dev
,dataval
| DT_CLK
, ioaddr
);
628 retval
= (retval
<< 1) | ((getfrom_srom(dev
,ioaddr
) & EE_DATA_READ
) ? 1 : 0);
629 } while (--cmd_len
>= 0);
630 sendto_srom(dev
,SROM_RD
| SROM_SR
| DT_CS
, ioaddr
);
632 /* Terminate the EEPROM access. */
633 sendto_srom(dev
,SROM_RD
| SROM_SR
, ioaddr
);
636 printf(" EEPROM result is 0x%5.5x.\n", retval
);
641 #endif /* UPDATE_SROM || !CONFIG_TULIP_FIX_DAVICOM */
643 #ifndef CONFIG_TULIP_FIX_DAVICOM
644 static int read_srom(struct eth_device
*dev
, u_long ioaddr
, int index
)
646 int ee_addr_size
= do_read_eeprom(dev
, ioaddr
, 0xff, 8) & 0x40000 ? 8 : 6;
648 return do_eeprom_cmd(dev
, ioaddr
,
649 (((SROM_READ_CMD
<< ee_addr_size
) | index
) << 16)
650 | 0xffff, 3 + ee_addr_size
+ 16);
652 #endif /* CONFIG_TULIP_FIX_DAVICOM */
655 static int write_srom(struct eth_device
*dev
, u_long ioaddr
, int index
, int new_value
)
657 int ee_addr_size
= do_read_eeprom(dev
, ioaddr
, 0xff, 8) & 0x40000 ? 8 : 6;
659 unsigned short newval
;
661 udelay(10*1000); /* test-only */
664 printf("ee_addr_size=%d.\n", ee_addr_size
);
665 printf("Writing new entry 0x%4.4x to offset %d.\n", new_value
, index
);
668 /* Enable programming modes. */
669 do_eeprom_cmd(dev
, ioaddr
, (0x4f << (ee_addr_size
-4)), 3+ee_addr_size
);
671 /* Do the actual write. */
672 do_eeprom_cmd(dev
, ioaddr
,
673 (((SROM_WRITE_CMD
<<ee_addr_size
)|index
) << 16) | new_value
,
674 3 + ee_addr_size
+ 16);
676 /* Poll for write finished. */
677 sendto_srom(dev
, SROM_RD
| SROM_SR
| DT_CS
, ioaddr
);
678 for (i
= 0; i
< 10000; i
++) /* Typical 2000 ticks */
679 if (getfrom_srom(dev
, ioaddr
) & EE_DATA_READ
)
683 printf(" Write finished after %d ticks.\n", i
);
686 /* Disable programming. */
687 do_eeprom_cmd(dev
, ioaddr
, (0x40 << (ee_addr_size
-4)), 3 + ee_addr_size
);
689 /* And read the result. */
690 newval
= do_eeprom_cmd(dev
, ioaddr
,
691 (((SROM_READ_CMD
<<ee_addr_size
)|index
) << 16)
692 | 0xffff, 3 + ee_addr_size
+ 16);
694 printf(" New value at offset %d is %4.4x.\n", index
, newval
);
700 #ifndef CONFIG_TULIP_FIX_DAVICOM
701 static void read_hw_addr(struct eth_device
*dev
, bd_t
*bis
)
703 u_short tmp
, *p
= (u_short
*)(&dev
->enetaddr
[0]);
706 for (i
= 0; i
< (ETH_ALEN
>> 1); i
++) {
707 tmp
= read_srom(dev
, DE4X5_APROM
, ((SROM_HWADD
>> 1) + i
));
708 *p
= le16_to_cpu(tmp
);
712 if ((j
== 0) || (j
== 0x2fffd)) {
713 memset (dev
->enetaddr
, 0, ETH_ALEN
);
714 debug ("Warning: can't read HW address from SROM.\n");
722 update_srom(dev
, bis
);
726 #endif /* CONFIG_TULIP_FIX_DAVICOM */
729 static void update_srom(struct eth_device
*dev
, bd_t
*bis
)
732 static unsigned short eeprom
[0x40] = {
733 0x140b, 0x6610, 0x0000, 0x0000, /* 00 */
734 0x0000, 0x0000, 0x0000, 0x0000, /* 04 */
735 0x00a3, 0x0103, 0x0000, 0x0000, /* 08 */
736 0x0000, 0x1f00, 0x0000, 0x0000, /* 0c */
737 0x0108, 0x038d, 0x0000, 0x0000, /* 10 */
738 0xe078, 0x0001, 0x0040, 0x0018, /* 14 */
739 0x0000, 0x0000, 0x0000, 0x0000, /* 18 */
740 0x0000, 0x0000, 0x0000, 0x0000, /* 1c */
741 0x0000, 0x0000, 0x0000, 0x0000, /* 20 */
742 0x0000, 0x0000, 0x0000, 0x0000, /* 24 */
743 0x0000, 0x0000, 0x0000, 0x0000, /* 28 */
744 0x0000, 0x0000, 0x0000, 0x0000, /* 2c */
745 0x0000, 0x0000, 0x0000, 0x0000, /* 30 */
746 0x0000, 0x0000, 0x0000, 0x0000, /* 34 */
747 0x0000, 0x0000, 0x0000, 0x0000, /* 38 */
748 0x0000, 0x0000, 0x0000, 0x4e07, /* 3c */
752 /* Ethernet Addr... */
753 if (!eth_getenv_enetaddr("ethaddr", enetaddr
))
755 eeprom
[0x0a] = (enetaddr
[1] << 8) | enetaddr
[0];
756 eeprom
[0x0b] = (enetaddr
[3] << 8) | enetaddr
[2];
757 eeprom
[0x0c] = (enetaddr
[5] << 8) | enetaddr
[4];
759 for (i
=0; i
<0x40; i
++) {
760 write_srom(dev
, DE4X5_APROM
, i
, eeprom
[i
]);
763 #endif /* UPDATE_SROM */