2
* (C) Copyright 2000-2008
3
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5
* See file CREDITS for list of people who contributed to this
8
* This program is free software; you can redistribute it and/or
9
* modify it under the terms of the GNU General Public License as
10
* published by the Free Software Foundation; either version 2 of
11
* the License, or (at your option) any later version.
13
* This program is distributed in the hope that it will be useful,
14
* but WITHOUT ANY WARRANTY; without even the implied warranty of
15
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16
* GNU General Public License for more details.
18
* You should have received a copy of the GNU General Public License
19
* along with this program; if not, write to the Free Software
20
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
31
#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
35
extern flash_info_t flash_info[]; /* FLASH chips info */
37
DECLARE_GLOBAL_DATA_PTR;
39
static long int dram_size (long int, long int *, long int);
41
#define _NOT_USED_ 0xFFFFFFFF
43
/* UPM initialization table for SDRAM: 40, 50, 66 MHz CLKOUT @ CAS latency 2, tWR=2 */
44
const uint sdram_table[] =
47
* Single Read. (Offset 0 in UPMA RAM)
49
0x1F0DFC04, 0xEEAFBC04, 0x11AF7C04, 0xEFBAFC00,
50
0x1FF5FC47, /* last */
52
* SDRAM Initialization (offset 5 in UPMA RAM)
54
* This is no UPM entry point. The following definition uses
55
* the remaining space to establish an initialization
56
* sequence, which is executed by a RUN command.
59
0x1FF5FC34, 0xEFEABC34, 0x1FB57C35, /* last */
61
* Burst Read. (Offset 8 in UPMA RAM)
63
0x1F0DFC04, 0xEEAFBC04, 0x10AF7C04, 0xF0AFFC00,
64
0xF0AFFC00, 0xF1AFFC00, 0xEFBAFC00, 0x1FF5FC47, /* last */
65
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
66
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
68
* Single Write. (Offset 18 in UPMA RAM)
70
0x1F0DFC04, 0xEEABBC00, 0x11B77C04, 0xEFFAFC44,
71
0x1FF5FC47, /* last */
72
_NOT_USED_, _NOT_USED_, _NOT_USED_,
74
* Burst Write. (Offset 20 in UPMA RAM)
76
0x1F0DFC04, 0xEEABBC00, 0x10A77C00, 0xF0AFFC00,
77
0xF0AFFC00, 0xF0AFFC04, 0xE1BAFC44, 0x1FF5FC47, /* last */
78
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
79
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
81
* Refresh (Offset 30 in UPMA RAM)
83
0x1FFD7C84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
84
0xFFFFFC84, 0xFFFFFC07, /* last */
85
_NOT_USED_, _NOT_USED_,
86
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
88
* Exception. (Offset 3c in UPMA RAM)
90
0xFFFFFC07, /* last */
91
_NOT_USED_, _NOT_USED_, _NOT_USED_,
94
/* ------------------------------------------------------------------------- */
98
* Check Board Identity:
100
* Test TQ ID string (TQM8xx...)
101
* If present, check for "L" type (no second DRAM bank),
102
* otherwise "L" type is assumed as default.
104
* Set board_type to 'L' for "L" type, 'M' for "M" type, 0 else.
107
int checkboard (void)
109
char *s = getenv ("serial#");
113
if (!s || strncmp (s, "TQM8", 4)) {
114
puts ("### No HW ID - assuming TQM8xxL\n");
118
if ((*(s + 6) == 'L')) { /* a TQM8xxL type */
119
gd->board_type = 'L';
122
if ((*(s + 6) == 'M')) { /* a TQM8xxM type */
123
gd->board_type = 'M';
126
if ((*(s + 6) == 'D')) { /* a TQM885D type */
127
gd->board_type = 'D';
135
#ifdef CONFIG_VIRTLAB2
136
puts (" (Virtlab2)");
143
/* ------------------------------------------------------------------------- */
145
phys_size_t initdram (int board_type)
147
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
148
volatile memctl8xx_t *memctl = &immap->im_memctl;
149
long int size8, size9, size10;
150
long int size_b0 = 0;
151
long int size_b1 = 0;
153
upmconfig (UPMA, (uint *) sdram_table,
154
sizeof (sdram_table) / sizeof (uint));
157
* Preliminary prescaler for refresh (depends on number of
158
* banks): This value is selected for four cycles every 62.4 us
159
* with two SDRAM banks or four cycles every 31.2 us with one
160
* bank. It will be adjusted after memory sizing.
162
memctl->memc_mptpr = CONFIG_SYS_MPTPR_2BK_8K;
165
* The following value is used as an address (i.e. opcode) for
166
* the LOAD MODE REGISTER COMMAND during SDRAM initialisation. If
167
* the port size is 32bit the SDRAM does NOT "see" the lower two
168
* address lines, i.e. mar=0x00000088 -> opcode=0x00000022 for
171
* | | | | +- Burst Length = 4
172
* | | | +----- Burst Type = Sequential
173
* | | +------- CAS Latency = 2
174
* | +----------- Operating Mode = Standard
175
* +-------------- Write Burst Mode = Programmed Burst Length
177
memctl->memc_mar = 0x00000088;
180
* Map controller banks 2 and 3 to the SDRAM banks 2 and 3 at
181
* preliminary addresses - these have to be modified after the
182
* SDRAM size has been determined.
184
memctl->memc_or2 = CONFIG_SYS_OR2_PRELIM;
185
memctl->memc_br2 = CONFIG_SYS_BR2_PRELIM;
187
#ifndef CONFIG_CAN_DRIVER
188
if ((board_type != 'L') &&
189
(board_type != 'M') &&
190
(board_type != 'D') ) { /* only one SDRAM bank on L, M and D modules */
191
memctl->memc_or3 = CONFIG_SYS_OR3_PRELIM;
192
memctl->memc_br3 = CONFIG_SYS_BR3_PRELIM;
194
#endif /* CONFIG_CAN_DRIVER */
196
memctl->memc_mamr = CONFIG_SYS_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */
200
/* perform SDRAM initializsation sequence */
202
memctl->memc_mcr = 0x80004105; /* SDRAM bank 0 */
204
memctl->memc_mcr = 0x80004230; /* SDRAM bank 0 - execute twice */
207
#ifndef CONFIG_CAN_DRIVER
208
if ((board_type != 'L') &&
209
(board_type != 'M') &&
210
(board_type != 'D') ) { /* only one SDRAM bank on L, M and D modules */
211
memctl->memc_mcr = 0x80006105; /* SDRAM bank 1 */
213
memctl->memc_mcr = 0x80006230; /* SDRAM bank 1 - execute twice */
216
#endif /* CONFIG_CAN_DRIVER */
218
memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
223
* Check Bank 0 Memory Size for re-configuration
227
size8 = dram_size (CONFIG_SYS_MAMR_8COL, SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE);
228
debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size8 >> 20);
235
size9 = dram_size (CONFIG_SYS_MAMR_9COL, SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE);
236
debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size9 >> 20);
240
#if defined(CONFIG_SYS_MAMR_10COL)
244
size10 = dram_size (CONFIG_SYS_MAMR_10COL, SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE);
245
debug ("SDRAM Bank 0 in 10 column mode: %ld MB\n", size10 >> 20);
248
#endif /* CONFIG_SYS_MAMR_10COL */
250
if ((size8 < size10) && (size9 < size10)) {
252
} else if ((size8 < size9) && (size10 < size9)) {
254
memctl->memc_mamr = CONFIG_SYS_MAMR_9COL;
258
memctl->memc_mamr = CONFIG_SYS_MAMR_8COL;
261
debug ("SDRAM Bank 0: %ld MB\n", size_b0 >> 20);
263
#ifndef CONFIG_CAN_DRIVER
264
if ((board_type != 'L') &&
265
(board_type != 'M') &&
266
(board_type != 'D') ) { /* only one SDRAM bank on L, M and D modules */
268
* Check Bank 1 Memory Size
269
* use current column settings
270
* [9 column SDRAM may also be used in 8 column mode,
271
* but then only half the real size will be used.]
273
size_b1 = dram_size (memctl->memc_mamr, (long int *)SDRAM_BASE3_PRELIM,
275
debug ("SDRAM Bank 1: %ld MB\n", size_b1 >> 20);
279
#endif /* CONFIG_CAN_DRIVER */
284
* Adjust refresh rate depending on SDRAM type, both banks
285
* For types > 128 MBit leave it at the current (fast) rate
287
if ((size_b0 < 0x02000000) && (size_b1 < 0x02000000)) {
288
/* reduce to 15.6 us (62.4 us / quad) */
289
memctl->memc_mptpr = CONFIG_SYS_MPTPR_2BK_4K;
294
* Final mapping: map bigger bank first
296
if (size_b1 > size_b0) { /* SDRAM Bank 1 is bigger - map first */
298
memctl->memc_or3 = ((-size_b1) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
299
memctl->memc_br3 = (CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
303
* Position Bank 0 immediately above Bank 1
305
memctl->memc_or2 = ((-size_b0) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
306
memctl->memc_br2 = ((CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V)
316
memctl->memc_br2 = 0;
318
/* adjust refresh rate depending on SDRAM type, one bank */
319
reg = memctl->memc_mptpr;
320
reg >>= 1; /* reduce to CONFIG_SYS_MPTPR_1BK_8K / _4K */
321
memctl->memc_mptpr = reg;
324
} else { /* SDRAM Bank 0 is bigger - map first */
326
memctl->memc_or2 = ((-size_b0) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
328
(CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
332
* Position Bank 1 immediately above Bank 0
335
((-size_b1) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
337
((CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V)
342
#ifndef CONFIG_CAN_DRIVER
348
memctl->memc_br3 = 0;
349
#endif /* CONFIG_CAN_DRIVER */
351
/* adjust refresh rate depending on SDRAM type, one bank */
352
reg = memctl->memc_mptpr;
353
reg >>= 1; /* reduce to CONFIG_SYS_MPTPR_1BK_8K / _4K */
354
memctl->memc_mptpr = reg;
360
#ifdef CONFIG_CAN_DRIVER
361
/* UPM initialization for CAN @ CLKOUT <= 66 MHz */
363
/* Initialize OR3 / BR3 */
364
memctl->memc_or3 = CONFIG_SYS_OR3_CAN;
365
memctl->memc_br3 = CONFIG_SYS_BR3_CAN;
367
/* Initialize MBMR */
368
memctl->memc_mbmr = MBMR_GPL_B4DIS; /* GPL_B4 ouput line Disable */
370
/* Initialize UPMB for CAN: single read */
371
memctl->memc_mdr = 0xFFFFCC04;
372
memctl->memc_mcr = 0x0100 | UPMB;
374
memctl->memc_mdr = 0x0FFFD004;
375
memctl->memc_mcr = 0x0101 | UPMB;
377
memctl->memc_mdr = 0x0FFFC000;
378
memctl->memc_mcr = 0x0102 | UPMB;
380
memctl->memc_mdr = 0x3FFFC004;
381
memctl->memc_mcr = 0x0103 | UPMB;
383
memctl->memc_mdr = 0xFFFFDC07;
384
memctl->memc_mcr = 0x0104 | UPMB;
386
/* Initialize UPMB for CAN: single write */
387
memctl->memc_mdr = 0xFFFCCC04;
388
memctl->memc_mcr = 0x0118 | UPMB;
390
memctl->memc_mdr = 0xCFFCDC04;
391
memctl->memc_mcr = 0x0119 | UPMB;
393
memctl->memc_mdr = 0x3FFCC000;
394
memctl->memc_mcr = 0x011A | UPMB;
396
memctl->memc_mdr = 0xFFFCC004;
397
memctl->memc_mcr = 0x011B | UPMB;
399
memctl->memc_mdr = 0xFFFDC405;
400
memctl->memc_mcr = 0x011C | UPMB;
401
#endif /* CONFIG_CAN_DRIVER */
403
#ifdef CONFIG_ISP1362_USB
404
/* Initialize OR5 / BR5 */
405
memctl->memc_or5 = CONFIG_SYS_OR5_ISP1362;
406
memctl->memc_br5 = CONFIG_SYS_BR5_ISP1362;
407
#endif /* CONFIG_ISP1362_USB */
408
return (size_b0 + size_b1);
411
/* ------------------------------------------------------------------------- */
414
* Check memory range for valid RAM. A simple memory test determines
415
* the actually available RAM size between addresses `base' and
416
* `base + maxsize'. Some (not all) hardware errors are detected:
417
* - short between address lines
418
* - short between data lines
421
static long int dram_size (long int mamr_value, long int *base, long int maxsize)
423
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
424
volatile memctl8xx_t *memctl = &immap->im_memctl;
426
memctl->memc_mamr = mamr_value;
428
return (get_ram_size(base, maxsize));
431
/* ------------------------------------------------------------------------- */
433
#ifdef CONFIG_PS2MULT
436
#define BASE_BAUD ( 1843200 / 16 )
437
struct serial_state rs_table[] = {
438
{ BASE_BAUD, 4, (void*)0xec140000 },
439
{ BASE_BAUD, 2, (void*)0xec150000 },
440
{ BASE_BAUD, 6, (void*)0xec160000 },
441
{ BASE_BAUD, 10, (void*)0xec170000 },
444
#ifdef CONFIG_BOARD_EARLY_INIT_R
445
int board_early_init_r (void)
447
ps2mult_early_init();
451
#endif /* CONFIG_HMI10 */
453
#endif /* CONFIG_PS2MULT */
456
#ifdef CONFIG_MISC_INIT_R
457
extern void load_sernum_ethaddr(void);
458
int misc_init_r (void)
460
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
461
volatile memctl8xx_t *memctl = &immap->im_memctl;
463
load_sernum_ethaddr();
465
#ifdef CONFIG_SYS_OR_TIMING_FLASH_AT_50MHZ
466
int scy, trlx, flash_or_timing, clk_diff;
468
scy = (CONFIG_SYS_OR_TIMING_FLASH_AT_50MHZ & OR_SCY_MSK) >> 4;
469
if (CONFIG_SYS_OR_TIMING_FLASH_AT_50MHZ & OR_TRLX) {
477
* We assume that each 10MHz of bus clock require 1-clk SCY
480
clk_diff = (gd->bus_clk / 1000000) - 50;
483
* We need proper rounding here. This is what the "+5" and "-5"
487
scy += (clk_diff + 5) / 10;
489
scy += (clk_diff - 5) / 10;
492
* For bus frequencies above 50MHz, we want to use relaxed timing
495
if (gd->bus_clk >= 50000000)
508
flash_or_timing = (scy << 4) | trlx |
509
(CONFIG_SYS_OR_TIMING_FLASH_AT_50MHZ & ~(OR_TRLX | OR_SCY_MSK));
512
flash_or_timing | (-flash_info[0].size & OR_AM_MSK);
515
CONFIG_SYS_OR_TIMING_FLASH | (-flash_info[0].size & OR_AM_MSK);
517
memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V;
519
debug ("## BR0: 0x%08x OR0: 0x%08x\n",
520
memctl->memc_br0, memctl->memc_or0);
522
if (flash_info[1].size) {
523
#ifdef CONFIG_SYS_OR_TIMING_FLASH_AT_50MHZ
524
memctl->memc_or1 = flash_or_timing |
525
(-flash_info[1].size & 0xFFFF8000);
527
memctl->memc_or1 = CONFIG_SYS_OR_TIMING_FLASH |
528
(-flash_info[1].size & 0xFFFF8000);
531
((CONFIG_SYS_FLASH_BASE +
533
size) & BR_BA_MSK) | BR_MS_GPCM | BR_V;
535
debug ("## BR1: 0x%08x OR1: 0x%08x\n",
536
memctl->memc_br1, memctl->memc_or1);
538
memctl->memc_br1 = 0; /* invalidate bank */
540
debug ("## DISABLE BR1: 0x%08x OR1: 0x%08x\n",
541
memctl->memc_br1, memctl->memc_or1);
544
# ifdef CONFIG_IDE_LED
545
/* Configure PA15 as output port */
546
immap->im_ioport.iop_padir |= 0x0001;
547
immap->im_ioport.iop_paodr |= 0x0001;
548
immap->im_ioport.iop_papar &= ~0x0001;
549
immap->im_ioport.iop_padat &= ~0x0001; /* turn it off */
553
/* wake up ethernet module */
554
immap->im_ioport.iop_pcpar &= ~0x0004; /* GPIO pin */
555
immap->im_ioport.iop_pcdir |= 0x0004; /* output */
556
immap->im_ioport.iop_pcso &= ~0x0004; /* for clarity */
557
immap->im_ioport.iop_pcdat |= 0x0004; /* enable */
558
#endif /* CONFIG_NSCU */
562
#endif /* CONFIG_MISC_INIT_R */
565
# ifdef CONFIG_IDE_LED
566
void ide_led (uchar led, uchar status)
568
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
570
/* We have one led for both pcmcia slots */
571
if (status) { /* led on */
572
immap->im_ioport.iop_padat |= 0x0001;
574
immap->im_ioport.iop_padat &= ~0x0001;
579
#ifdef CONFIG_LCD_INFO
582
#include <timestamp.h>
584
void lcd_show_board_info(void)
588
lcd_printf ("%s (%s - %s)\n", U_BOOT_VERSION, U_BOOT_DATE, U_BOOT_TIME);
589
lcd_printf ("(C) 2008 DENX Software Engineering GmbH\n");
590
lcd_printf (" Wolfgang DENK, wd@denx.de\n");
591
#ifdef CONFIG_LCD_INFO_BELOW_LOGO
592
lcd_printf ("MPC823 CPU at %s MHz\n",
593
strmhz(temp, gd->cpu_clk));
594
lcd_printf (" %ld MB RAM, %ld MB Flash\n",
596
gd->bd->bi_flashsize >> 20 );
598
/* leave one blank line */
599
lcd_printf ("\nMPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash\n",
600
strmhz(temp, gd->cpu_clk),
602
gd->bd->bi_flashsize >> 20 );
603
#endif /* CONFIG_LCD_INFO_BELOW_LOGO */
605
#endif /* CONFIG_LCD_INFO */
608
* Device Tree Support
610
#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
611
int fdt_set_node_and_value (void *blob,
620
nodeoffset = fdt_path_offset (blob, nodename);
621
if (nodeoffset >= 0) {
622
ret = fdt_setprop (blob, nodeoffset, regname, var,
625
printf("ft_blob_update(): "
626
"cannot set %s/%s property; err: %s\n",
627
nodename, regname, fdt_strerror (ret));
630
printf("ft_blob_update(): "
631
"cannot find %s node err:%s\n",
632
nodename, fdt_strerror (nodeoffset));
637
int fdt_del_node_name (void *blob, char *nodename)
642
nodeoffset = fdt_path_offset (blob, nodename);
643
if (nodeoffset >= 0) {
644
ret = fdt_del_node (blob, nodeoffset);
646
printf("%s: cannot delete %s; err: %s\n",
647
__func__, nodename, fdt_strerror (ret));
650
printf("%s: cannot find %s node err:%s\n",
651
__func__, nodename, fdt_strerror (nodeoffset));
656
int fdt_del_prop_name (void *blob, char *nodename, char *propname)
661
nodeoffset = fdt_path_offset (blob, nodename);
662
if (nodeoffset >= 0) {
663
ret = fdt_delprop (blob, nodeoffset, propname);
665
printf("%s: cannot delete %s %s; err: %s\n",
666
__func__, nodename, propname,
670
printf("%s: cannot find %s node err:%s\n",
671
__func__, nodename, fdt_strerror (nodeoffset));
677
* update "brg" property in the blob
679
void ft_blob_update (void *blob, bd_t *bd)
685
brg_data = cpu_to_be32(bd->bi_busfreq);
686
fdt_set_node_and_value(blob,
687
"/soc/cpm", "brg-frequency",
688
&brg_data, sizeof(brg_data));
691
if (eth_getenv_enetaddr("ethaddr", enetaddr)) {
692
fdt_set_node_and_value(blob,
693
"ethernet0", "local-mac-address",
694
enetaddr, sizeof(u8) * 6);
697
if (hwconfig_arg_cmp("fec", "off")) {
698
/* no FEC on this plattform, delete DTS nodes */
699
fdt_del_node_name (blob, "ethernet1");
700
fdt_del_node_name (blob, "mdio1");
701
/* also the aliases entries */
702
fdt_del_prop_name (blob, "/aliases", "ethernet1");
703
fdt_del_prop_name (blob, "/aliases", "mdio1");
705
/* adjust local-mac-address for FEC ethernet */
706
if (eth_getenv_enetaddr("eth1addr", enetaddr)) {
707
fdt_set_node_and_value(blob,
708
"ethernet1", "local-mac-address",
709
enetaddr, sizeof(u8) * 6);
714
void ft_board_setup(void *blob, bd_t *bd)
716
ft_cpu_setup(blob, bd);
717
ft_blob_update(blob, bd);
719
#endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */
721
/* ---------------------------------------------------------------------------- */
722
/* TK885D specific initializaion */
723
/* ---------------------------------------------------------------------------- */
726
int last_stage_init(void)
728
const unsigned char phy[] = {CONFIG_FEC1_PHY, CONFIG_FEC2_PHY};
734
/* Without this delay 0xff is read from the UART buffer later in
735
* abortboot() and autoboot is aborted */
737
while (tstc() && i--)
740
/* Check if auto-negotiation is prohibited */
741
s = getenv("phy_auto_nego");
743
if (!s || !strcmp(s, "on"))
744
/* Nothing to do - autonegotiation by default */
747
for (i = 0; i < 2; i++) {
748
ret = miiphy_read("FEC ETHERNET", phy[i], PHY_BMCR, ®);
750
printf("Cannot read BMCR on PHY %d\n", phy[i]);
753
/* Auto-negotiation off, hard set full duplex, 100Mbps */
754
ret = miiphy_write("FEC ETHERNET", phy[i],
755
PHY_BMCR, (reg | PHY_BMCR_100MB |
756
PHY_BMCR_DPLX) & ~PHY_BMCR_AUTON);
758
printf("Cannot write BMCR on PHY %d\n", phy[i]);