2
* (C) Copyright 2000-2008
3
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5
* SPDX-License-Identifier: GPL-2.0+
15
#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
19
extern flash_info_t flash_info[]; /* FLASH chips info */
21
DECLARE_GLOBAL_DATA_PTR;
23
static long int dram_size (long int, long int *, long int);
25
#define _NOT_USED_ 0xFFFFFFFF
27
/* UPM initialization table for SDRAM: 40, 50, 66 MHz CLKOUT @ CAS latency 2, tWR=2 */
28
const uint sdram_table[] =
31
* Single Read. (Offset 0 in UPMA RAM)
33
0x1F0DFC04, 0xEEAFBC04, 0x11AF7C04, 0xEFBAFC00,
34
0x1FF5FC47, /* last */
36
* SDRAM Initialization (offset 5 in UPMA RAM)
38
* This is no UPM entry point. The following definition uses
39
* the remaining space to establish an initialization
40
* sequence, which is executed by a RUN command.
43
0x1FF5FC34, 0xEFEABC34, 0x1FB57C35, /* last */
45
* Burst Read. (Offset 8 in UPMA RAM)
47
0x1F0DFC04, 0xEEAFBC04, 0x10AF7C04, 0xF0AFFC00,
48
0xF0AFFC00, 0xF1AFFC00, 0xEFBAFC00, 0x1FF5FC47, /* last */
49
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
50
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
52
* Single Write. (Offset 18 in UPMA RAM)
54
0x1F0DFC04, 0xEEABBC00, 0x11B77C04, 0xEFFAFC44,
55
0x1FF5FC47, /* last */
56
_NOT_USED_, _NOT_USED_, _NOT_USED_,
58
* Burst Write. (Offset 20 in UPMA RAM)
60
0x1F0DFC04, 0xEEABBC00, 0x10A77C00, 0xF0AFFC00,
61
0xF0AFFC00, 0xF0AFFC04, 0xE1BAFC44, 0x1FF5FC47, /* last */
62
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
63
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
65
* Refresh (Offset 30 in UPMA RAM)
67
0x1FFD7C84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
68
0xFFFFFC84, 0xFFFFFC07, /* last */
69
_NOT_USED_, _NOT_USED_,
70
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
72
* Exception. (Offset 3c in UPMA RAM)
74
0xFFFFFC07, /* last */
75
_NOT_USED_, _NOT_USED_, _NOT_USED_,
78
/* ------------------------------------------------------------------------- */
82
* Check Board Identity:
84
* Test TQ ID string (TQM8xx...)
85
* If present, check for "L" type (no second DRAM bank),
86
* otherwise "L" type is assumed as default.
88
* Set board_type to 'L' for "L" type, 'M' for "M" type, 0 else.
95
int l = getenv_f("serial#", buf, sizeof(buf));
99
if (l < 0 || strncmp(buf, "TQM8", 4)) {
100
puts ("### No HW ID - assuming TQM8xxL\n");
104
if ((buf[6] == 'L')) { /* a TQM8xxL type */
105
gd->board_type = 'L';
108
if ((buf[6] == 'M')) { /* a TQM8xxM type */
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gd->board_type = 'M';
112
if ((buf[6] == 'D')) { /* a TQM885D type */
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gd->board_type = 'D';
116
for (i = 0; i < l; ++i) {
121
#ifdef CONFIG_VIRTLAB2
122
puts (" (Virtlab2)");
129
/* ------------------------------------------------------------------------- */
131
phys_size_t initdram (int board_type)
133
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
134
volatile memctl8xx_t *memctl = &immap->im_memctl;
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long int size8, size9, size10;
136
long int size_b0 = 0;
137
long int size_b1 = 0;
139
upmconfig (UPMA, (uint *) sdram_table,
140
sizeof (sdram_table) / sizeof (uint));
143
* Preliminary prescaler for refresh (depends on number of
144
* banks): This value is selected for four cycles every 62.4 us
145
* with two SDRAM banks or four cycles every 31.2 us with one
146
* bank. It will be adjusted after memory sizing.
148
memctl->memc_mptpr = CONFIG_SYS_MPTPR_2BK_8K;
151
* The following value is used as an address (i.e. opcode) for
152
* the LOAD MODE REGISTER COMMAND during SDRAM initialisation. If
153
* the port size is 32bit the SDRAM does NOT "see" the lower two
154
* address lines, i.e. mar=0x00000088 -> opcode=0x00000022 for
157
* | | | | +- Burst Length = 4
158
* | | | +----- Burst Type = Sequential
159
* | | +------- CAS Latency = 2
160
* | +----------- Operating Mode = Standard
161
* +-------------- Write Burst Mode = Programmed Burst Length
163
memctl->memc_mar = 0x00000088;
166
* Map controller banks 2 and 3 to the SDRAM banks 2 and 3 at
167
* preliminary addresses - these have to be modified after the
168
* SDRAM size has been determined.
170
memctl->memc_or2 = CONFIG_SYS_OR2_PRELIM;
171
memctl->memc_br2 = CONFIG_SYS_BR2_PRELIM;
173
#ifndef CONFIG_CAN_DRIVER
174
if ((board_type != 'L') &&
175
(board_type != 'M') &&
176
(board_type != 'D') ) { /* only one SDRAM bank on L, M and D modules */
177
memctl->memc_or3 = CONFIG_SYS_OR3_PRELIM;
178
memctl->memc_br3 = CONFIG_SYS_BR3_PRELIM;
180
#endif /* CONFIG_CAN_DRIVER */
182
memctl->memc_mamr = CONFIG_SYS_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */
186
/* perform SDRAM initializsation sequence */
188
memctl->memc_mcr = 0x80004105; /* SDRAM bank 0 */
190
memctl->memc_mcr = 0x80004230; /* SDRAM bank 0 - execute twice */
193
#ifndef CONFIG_CAN_DRIVER
194
if ((board_type != 'L') &&
195
(board_type != 'M') &&
196
(board_type != 'D') ) { /* only one SDRAM bank on L, M and D modules */
197
memctl->memc_mcr = 0x80006105; /* SDRAM bank 1 */
199
memctl->memc_mcr = 0x80006230; /* SDRAM bank 1 - execute twice */
202
#endif /* CONFIG_CAN_DRIVER */
204
memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
209
* Check Bank 0 Memory Size for re-configuration
213
size8 = dram_size (CONFIG_SYS_MAMR_8COL, SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE);
214
debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size8 >> 20);
221
size9 = dram_size (CONFIG_SYS_MAMR_9COL, SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE);
222
debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size9 >> 20);
226
#if defined(CONFIG_SYS_MAMR_10COL)
230
size10 = dram_size (CONFIG_SYS_MAMR_10COL, SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE);
231
debug ("SDRAM Bank 0 in 10 column mode: %ld MB\n", size10 >> 20);
234
#endif /* CONFIG_SYS_MAMR_10COL */
236
if ((size8 < size10) && (size9 < size10)) {
238
} else if ((size8 < size9) && (size10 < size9)) {
240
memctl->memc_mamr = CONFIG_SYS_MAMR_9COL;
244
memctl->memc_mamr = CONFIG_SYS_MAMR_8COL;
247
debug ("SDRAM Bank 0: %ld MB\n", size_b0 >> 20);
249
#ifndef CONFIG_CAN_DRIVER
250
if ((board_type != 'L') &&
251
(board_type != 'M') &&
252
(board_type != 'D') ) { /* only one SDRAM bank on L, M and D modules */
254
* Check Bank 1 Memory Size
255
* use current column settings
256
* [9 column SDRAM may also be used in 8 column mode,
257
* but then only half the real size will be used.]
259
size_b1 = dram_size (memctl->memc_mamr, (long int *)SDRAM_BASE3_PRELIM,
261
debug ("SDRAM Bank 1: %ld MB\n", size_b1 >> 20);
265
#endif /* CONFIG_CAN_DRIVER */
270
* Adjust refresh rate depending on SDRAM type, both banks
271
* For types > 128 MBit leave it at the current (fast) rate
273
if ((size_b0 < 0x02000000) && (size_b1 < 0x02000000)) {
274
/* reduce to 15.6 us (62.4 us / quad) */
275
memctl->memc_mptpr = CONFIG_SYS_MPTPR_2BK_4K;
280
* Final mapping: map bigger bank first
282
if (size_b1 > size_b0) { /* SDRAM Bank 1 is bigger - map first */
284
memctl->memc_or3 = ((-size_b1) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
285
memctl->memc_br3 = (CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
289
* Position Bank 0 immediately above Bank 1
291
memctl->memc_or2 = ((-size_b0) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
292
memctl->memc_br2 = ((CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V)
302
memctl->memc_br2 = 0;
304
/* adjust refresh rate depending on SDRAM type, one bank */
305
reg = memctl->memc_mptpr;
306
reg >>= 1; /* reduce to CONFIG_SYS_MPTPR_1BK_8K / _4K */
307
memctl->memc_mptpr = reg;
310
} else { /* SDRAM Bank 0 is bigger - map first */
312
memctl->memc_or2 = ((-size_b0) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
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(CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
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* Position Bank 1 immediately above Bank 0
321
((-size_b1) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
323
((CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V)
328
#ifndef CONFIG_CAN_DRIVER
334
memctl->memc_br3 = 0;
335
#endif /* CONFIG_CAN_DRIVER */
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/* adjust refresh rate depending on SDRAM type, one bank */
338
reg = memctl->memc_mptpr;
339
reg >>= 1; /* reduce to CONFIG_SYS_MPTPR_1BK_8K / _4K */
340
memctl->memc_mptpr = reg;
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#ifdef CONFIG_CAN_DRIVER
347
/* UPM initialization for CAN @ CLKOUT <= 66 MHz */
349
/* Initialize OR3 / BR3 */
350
memctl->memc_or3 = CONFIG_SYS_OR3_CAN;
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memctl->memc_br3 = CONFIG_SYS_BR3_CAN;
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/* Initialize MBMR */
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memctl->memc_mbmr = MBMR_GPL_B4DIS; /* GPL_B4 ouput line Disable */
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/* Initialize UPMB for CAN: single read */
357
memctl->memc_mdr = 0xFFFFCC04;
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memctl->memc_mcr = 0x0100 | UPMB;
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memctl->memc_mdr = 0x0FFFD004;
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memctl->memc_mcr = 0x0101 | UPMB;
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memctl->memc_mdr = 0x0FFFC000;
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memctl->memc_mcr = 0x0102 | UPMB;
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memctl->memc_mdr = 0x3FFFC004;
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memctl->memc_mcr = 0x0103 | UPMB;
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memctl->memc_mdr = 0xFFFFDC07;
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memctl->memc_mcr = 0x0104 | UPMB;
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/* Initialize UPMB for CAN: single write */
373
memctl->memc_mdr = 0xFFFCCC04;
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memctl->memc_mcr = 0x0118 | UPMB;
376
memctl->memc_mdr = 0xCFFCDC04;
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memctl->memc_mcr = 0x0119 | UPMB;
379
memctl->memc_mdr = 0x3FFCC000;
380
memctl->memc_mcr = 0x011A | UPMB;
382
memctl->memc_mdr = 0xFFFCC004;
383
memctl->memc_mcr = 0x011B | UPMB;
385
memctl->memc_mdr = 0xFFFDC405;
386
memctl->memc_mcr = 0x011C | UPMB;
387
#endif /* CONFIG_CAN_DRIVER */
389
#ifdef CONFIG_ISP1362_USB
390
/* Initialize OR5 / BR5 */
391
memctl->memc_or5 = CONFIG_SYS_OR5_ISP1362;
392
memctl->memc_br5 = CONFIG_SYS_BR5_ISP1362;
393
#endif /* CONFIG_ISP1362_USB */
394
return (size_b0 + size_b1);
397
/* ------------------------------------------------------------------------- */
400
* Check memory range for valid RAM. A simple memory test determines
401
* the actually available RAM size between addresses `base' and
402
* `base + maxsize'. Some (not all) hardware errors are detected:
403
* - short between address lines
404
* - short between data lines
407
static long int dram_size (long int mamr_value, long int *base, long int maxsize)
409
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
410
volatile memctl8xx_t *memctl = &immap->im_memctl;
412
memctl->memc_mamr = mamr_value;
414
return (get_ram_size(base, maxsize));
417
/* ------------------------------------------------------------------------- */
419
#ifdef CONFIG_MISC_INIT_R
420
extern void load_sernum_ethaddr(void);
421
int misc_init_r (void)
423
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
424
volatile memctl8xx_t *memctl = &immap->im_memctl;
426
load_sernum_ethaddr();
428
#ifdef CONFIG_SYS_OR_TIMING_FLASH_AT_50MHZ
429
int scy, trlx, flash_or_timing, clk_diff;
431
scy = (CONFIG_SYS_OR_TIMING_FLASH_AT_50MHZ & OR_SCY_MSK) >> 4;
432
if (CONFIG_SYS_OR_TIMING_FLASH_AT_50MHZ & OR_TRLX) {
440
* We assume that each 10MHz of bus clock require 1-clk SCY
443
clk_diff = (gd->bus_clk / 1000000) - 50;
446
* We need proper rounding here. This is what the "+5" and "-5"
450
scy += (clk_diff + 5) / 10;
452
scy += (clk_diff - 5) / 10;
455
* For bus frequencies above 50MHz, we want to use relaxed timing
458
if (gd->bus_clk >= 50000000)
471
flash_or_timing = (scy << 4) | trlx |
472
(CONFIG_SYS_OR_TIMING_FLASH_AT_50MHZ & ~(OR_TRLX | OR_SCY_MSK));
475
flash_or_timing | (-flash_info[0].size & OR_AM_MSK);
478
CONFIG_SYS_OR_TIMING_FLASH | (-flash_info[0].size & OR_AM_MSK);
480
memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V;
482
debug ("## BR0: 0x%08x OR0: 0x%08x\n",
483
memctl->memc_br0, memctl->memc_or0);
485
if (flash_info[1].size) {
486
#ifdef CONFIG_SYS_OR_TIMING_FLASH_AT_50MHZ
487
memctl->memc_or1 = flash_or_timing |
488
(-flash_info[1].size & 0xFFFF8000);
490
memctl->memc_or1 = CONFIG_SYS_OR_TIMING_FLASH |
491
(-flash_info[1].size & 0xFFFF8000);
494
((CONFIG_SYS_FLASH_BASE +
496
size) & BR_BA_MSK) | BR_MS_GPCM | BR_V;
498
debug ("## BR1: 0x%08x OR1: 0x%08x\n",
499
memctl->memc_br1, memctl->memc_or1);
501
memctl->memc_br1 = 0; /* invalidate bank */
503
debug ("## DISABLE BR1: 0x%08x OR1: 0x%08x\n",
504
memctl->memc_br1, memctl->memc_or1);
507
# ifdef CONFIG_IDE_LED
508
/* Configure PA15 as output port */
509
immap->im_ioport.iop_padir |= 0x0001;
510
immap->im_ioport.iop_paodr |= 0x0001;
511
immap->im_ioport.iop_papar &= ~0x0001;
512
immap->im_ioport.iop_padat &= ~0x0001; /* turn it off */
516
/* wake up ethernet module */
517
immap->im_ioport.iop_pcpar &= ~0x0004; /* GPIO pin */
518
immap->im_ioport.iop_pcdir |= 0x0004; /* output */
519
immap->im_ioport.iop_pcso &= ~0x0004; /* for clarity */
520
immap->im_ioport.iop_pcdat |= 0x0004; /* enable */
521
#endif /* CONFIG_NSCU */
525
#endif /* CONFIG_MISC_INIT_R */
528
# ifdef CONFIG_IDE_LED
529
void ide_led (uchar led, uchar status)
531
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
533
/* We have one led for both pcmcia slots */
534
if (status) { /* led on */
535
immap->im_ioport.iop_padat |= 0x0001;
537
immap->im_ioport.iop_padat &= ~0x0001;
542
#ifdef CONFIG_LCD_INFO
545
#include <timestamp.h>
547
void lcd_show_board_info(void)
551
lcd_printf ("%s (%s - %s)\n", U_BOOT_VERSION, U_BOOT_DATE, U_BOOT_TIME);
552
lcd_printf ("(C) 2008 DENX Software Engineering GmbH\n");
553
lcd_printf (" Wolfgang DENK, wd@denx.de\n");
554
#ifdef CONFIG_LCD_INFO_BELOW_LOGO
555
lcd_printf ("MPC823 CPU at %s MHz\n",
556
strmhz(temp, gd->cpu_clk));
557
lcd_printf (" %ld MB RAM, %ld MB Flash\n",
559
gd->bd->bi_flashsize >> 20 );
561
/* leave one blank line */
562
lcd_printf ("\nMPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash\n",
563
strmhz(temp, gd->cpu_clk),
565
gd->bd->bi_flashsize >> 20 );
566
#endif /* CONFIG_LCD_INFO_BELOW_LOGO */
568
#endif /* CONFIG_LCD_INFO */
571
* Device Tree Support
573
#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
574
int fdt_set_node_and_value (void *blob,
583
nodeoffset = fdt_path_offset (blob, nodename);
584
if (nodeoffset >= 0) {
585
ret = fdt_setprop (blob, nodeoffset, regname, var,
588
printf("ft_blob_update(): "
589
"cannot set %s/%s property; err: %s\n",
590
nodename, regname, fdt_strerror (ret));
593
printf("ft_blob_update(): "
594
"cannot find %s node err:%s\n",
595
nodename, fdt_strerror (nodeoffset));
600
int fdt_del_node_name (void *blob, char *nodename)
605
nodeoffset = fdt_path_offset (blob, nodename);
606
if (nodeoffset >= 0) {
607
ret = fdt_del_node (blob, nodeoffset);
609
printf("%s: cannot delete %s; err: %s\n",
610
__func__, nodename, fdt_strerror (ret));
613
printf("%s: cannot find %s node err:%s\n",
614
__func__, nodename, fdt_strerror (nodeoffset));
619
int fdt_del_prop_name (void *blob, char *nodename, char *propname)
624
nodeoffset = fdt_path_offset (blob, nodename);
625
if (nodeoffset >= 0) {
626
ret = fdt_delprop (blob, nodeoffset, propname);
628
printf("%s: cannot delete %s %s; err: %s\n",
629
__func__, nodename, propname,
633
printf("%s: cannot find %s node err:%s\n",
634
__func__, nodename, fdt_strerror (nodeoffset));
640
* update "brg" property in the blob
642
void ft_blob_update (void *blob, bd_t *bd)
648
brg_data = cpu_to_be32(bd->bi_busfreq);
649
fdt_set_node_and_value(blob,
650
"/soc/cpm", "brg-frequency",
651
&brg_data, sizeof(brg_data));
654
if (eth_getenv_enetaddr("ethaddr", enetaddr)) {
655
fdt_set_node_and_value(blob,
656
"ethernet0", "local-mac-address",
657
enetaddr, sizeof(u8) * 6);
660
if (hwconfig_arg_cmp("fec", "off")) {
661
/* no FEC on this plattform, delete DTS nodes */
662
fdt_del_node_name (blob, "ethernet1");
663
fdt_del_node_name (blob, "mdio1");
664
/* also the aliases entries */
665
fdt_del_prop_name (blob, "/aliases", "ethernet1");
666
fdt_del_prop_name (blob, "/aliases", "mdio1");
668
/* adjust local-mac-address for FEC ethernet */
669
if (eth_getenv_enetaddr("eth1addr", enetaddr)) {
670
fdt_set_node_and_value(blob,
671
"ethernet1", "local-mac-address",
672
enetaddr, sizeof(u8) * 6);
677
void ft_board_setup(void *blob, bd_t *bd)
679
ft_cpu_setup(blob, bd);
680
ft_blob_update(blob, bd);
682
#endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */
684
/* ---------------------------------------------------------------------------- */
685
/* TK885D specific initializaion */
686
/* ---------------------------------------------------------------------------- */
689
int last_stage_init(void)
691
const unsigned char phy[] = {CONFIG_FEC1_PHY, CONFIG_FEC2_PHY};
697
/* Without this delay 0xff is read from the UART buffer later in
698
* abortboot() and autoboot is aborted */
700
while (tstc() && i--)
703
/* Check if auto-negotiation is prohibited */
704
s = getenv("phy_auto_nego");
706
if (!s || !strcmp(s, "on"))
707
/* Nothing to do - autonegotiation by default */
710
for (i = 0; i < 2; i++) {
711
ret = miiphy_read("FEC", phy[i], MII_BMCR, ®);
713
printf("Cannot read BMCR on PHY %d\n", phy[i]);
716
/* Auto-negotiation off, hard set full duplex, 100Mbps */
717
ret = miiphy_write("FEC", phy[i],
718
MII_BMCR, (reg | BMCR_SPEED100 |
719
BMCR_FULLDPLX) & ~BMCR_ANENABLE);
721
printf("Cannot write BMCR on PHY %d\n", phy[i]);