Merge branch 'u-boot-ti/master' into 'u-boot-arm/master'
[platform/kernel/u-boot.git] / board / prodrive / p3mx / p3mx.c
1 /*
2  * (C) Copyright 2006
3  * Stefan Roese, DENX Software Engineering, sr@denx.de.
4  *
5  * Based on original work by
6  *      Roel Loeffen, (C) Copyright 2006 Prodrive B.V.
7  *      Josh Huber, (C) Copyright 2001 Mission Critical Linux, Inc.
8  *
9  * See file CREDITS for list of people who contributed to this
10  * project.
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License as
14  * published by the Free Software Foundation; either version 2 of
15  * the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25  * MA 02111-1307 USA
26  *
27  * modifications for the DB64360 eval board based by Ingo.Assmus@keymile.com
28  * modifications for the cpci750 by reinhard.arlt@esd-electronics.com
29  * modifications for the P3M750 by roel.loeffen@prodrive.nl
30  */
31
32 /*
33  * p3m750.c - main board support/init for the Prodrive p3m750/p3m7448.
34  */
35
36 #include <common.h>
37 #include <74xx_7xx.h>
38 #include "../../Marvell/include/memory.h"
39 #include "../../Marvell/include/pci.h"
40 #include "../../Marvell/include/mv_gen_reg.h"
41 #include <net.h>
42 #include <i2c.h>
43
44 #include "eth.h"
45 #include "mpsc.h"
46 #include "64460.h"
47 #include "mv_regs.h"
48 #include "p3mx.h"
49
50 DECLARE_GLOBAL_DATA_PTR;
51
52 #undef  DEBUG
53 /*#define       DEBUG */
54
55 #ifdef CONFIG_PCI
56 #define MAP_PCI
57 #endif /* of CONFIG_PCI */
58
59 #ifdef DEBUG
60 #define DP(x) x
61 #else
62 #define DP(x)
63 #endif
64
65 extern flash_info_t flash_info[];
66
67 /* ------------------------------------------------------------------------- */
68
69 /* this is the current GT register space location */
70 /* it starts at CONFIG_SYS_DFL_GT_REGS but moves later to CONFIG_SYS_GT_REGS */
71
72 /* Unfortunately, we cant change it while we are in flash, so we initialize it
73  * to the "final" value. This means that any debug_led calls before
74  * board_early_init_f wont work right (like in cpu_init_f).
75  * See also my_remap_gt_regs below. (NTL)
76  */
77
78 void board_prebootm_init (void);
79 unsigned int INTERNAL_REG_BASE_ADDR = CONFIG_SYS_GT_REGS;
80 int display_mem_map (void);
81 void set_led(int);
82
83 /* ------------------------------------------------------------------------- */
84
85 /*
86  * This is a version of the GT register space remapping function that
87  * doesn't touch globals (meaning, it's ok to run from flash.)
88  *
89  * Unfortunately, this has the side effect that a writable
90  * INTERNAL_REG_BASE_ADDR is impossible. Oh well.
91  */
92
93 void my_remap_gt_regs (u32 cur_loc, u32 new_loc)
94 {
95         u32 temp;
96
97         /* check and see if it's already moved */
98         temp = in_le32 ((u32 *) (new_loc + INTERNAL_SPACE_DECODE));
99         if ((temp & 0xffff) == new_loc >> 16)
100                 return;
101
102         temp = (in_le32 ((u32 *) (cur_loc + INTERNAL_SPACE_DECODE)) &
103                 0xffff0000) | (new_loc >> 16);
104
105         out_le32 ((u32 *) (cur_loc + INTERNAL_SPACE_DECODE), temp);
106
107         while (GTREGREAD (INTERNAL_SPACE_DECODE) != temp);
108 }
109
110 #ifdef CONFIG_PCI
111
112 static void gt_pci_config (void)
113 {
114         unsigned int stat;
115         unsigned int val = 0x00fff864;  /* DINK32: BusNum 23:16,  DevNum 15:11, */
116                                         /* FuncNum 10:8, RegNum 7:2 */
117
118         /*
119          * In PCIX mode devices provide their own bus and device numbers.
120          * We query the Discovery II's
121          * config registers by writing ones to the bus and device.
122          * We then update the Virtual register with the correct value for the
123          * bus and device.
124          */
125         if ((GTREGREAD (PCI_0_MODE) & (BIT4 | BIT5)) != 0) {    /* if  PCI-X */
126                 GT_REG_WRITE (PCI_0_CONFIG_ADDR, BIT31 | val);
127
128                 GT_REG_READ (PCI_0_CONFIG_DATA_VIRTUAL_REG, &stat);
129
130                 GT_REG_WRITE (PCI_0_CONFIG_ADDR, BIT31 | val);
131                 GT_REG_WRITE (PCI_0_CONFIG_DATA_VIRTUAL_REG,
132                               (stat & 0xffff0000) | CONFIG_SYS_PCI_IDSEL);
133
134         }
135         if ((GTREGREAD (PCI_1_MODE) & (BIT4 | BIT5)) != 0) {    /* if  PCI-X */
136                 GT_REG_WRITE (PCI_1_CONFIG_ADDR, BIT31 | val);
137                 GT_REG_READ (PCI_1_CONFIG_DATA_VIRTUAL_REG, &stat);
138
139                 GT_REG_WRITE (PCI_1_CONFIG_ADDR, BIT31 | val);
140                 GT_REG_WRITE (PCI_1_CONFIG_DATA_VIRTUAL_REG,
141                               (stat & 0xffff0000) | CONFIG_SYS_PCI_IDSEL);
142         }
143
144         /* Enable master */
145         PCI_MASTER_ENABLE (0, SELF);
146         PCI_MASTER_ENABLE (1, SELF);
147
148         /* Enable PCI0/1 Mem0 and IO 0 disable all others */
149         GT_REG_READ (BASE_ADDR_ENABLE, &stat);
150         stat |= (1 << 11) | (1 << 12) | (1 << 13) | (1 << 16) | (1 << 17) |
151                 (1 << 18);
152         stat &= ~((1 << 9) | (1 << 10) | (1 << 14) | (1 << 15));
153         GT_REG_WRITE (BASE_ADDR_ENABLE, stat);
154
155         /* ronen:
156          * add write to pci remap registers for 64460.
157          * in 64360 when writing to pci base go and overide remap automaticaly,
158          * in 64460 it doesn't
159          */
160         GT_REG_WRITE (PCI_0_IO_BASE_ADDR, CONFIG_SYS_PCI0_IO_SPACE >> 16);
161         GT_REG_WRITE (PCI_0I_O_ADDRESS_REMAP, CONFIG_SYS_PCI0_IO_SPACE_PCI >> 16);
162         GT_REG_WRITE (PCI_0_IO_SIZE, (CONFIG_SYS_PCI0_IO_SIZE - 1) >> 16);
163
164         GT_REG_WRITE (PCI_0_MEMORY0_BASE_ADDR, CONFIG_SYS_PCI0_MEM_BASE >> 16);
165         GT_REG_WRITE (PCI_0MEMORY0_ADDRESS_REMAP, CONFIG_SYS_PCI0_MEM_BASE >> 16);
166         GT_REG_WRITE (PCI_0_MEMORY0_SIZE, (CONFIG_SYS_PCI0_MEM_SIZE - 1) >> 16);
167
168         GT_REG_WRITE (PCI_1_IO_BASE_ADDR, CONFIG_SYS_PCI1_IO_SPACE >> 16);
169         GT_REG_WRITE (PCI_1I_O_ADDRESS_REMAP, CONFIG_SYS_PCI1_IO_SPACE_PCI >> 16);
170         GT_REG_WRITE (PCI_1_IO_SIZE, (CONFIG_SYS_PCI1_IO_SIZE - 1) >> 16);
171
172         GT_REG_WRITE (PCI_1_MEMORY0_BASE_ADDR, CONFIG_SYS_PCI1_MEM_BASE >> 16);
173         GT_REG_WRITE (PCI_1MEMORY0_ADDRESS_REMAP, CONFIG_SYS_PCI1_MEM_BASE >> 16);
174         GT_REG_WRITE (PCI_1_MEMORY0_SIZE, (CONFIG_SYS_PCI1_MEM_SIZE - 1) >> 16);
175
176         /* PCI interface settings */
177         /* Timeout set to retry forever */
178         GT_REG_WRITE (PCI_0TIMEOUT_RETRY, 0x0);
179         GT_REG_WRITE (PCI_1TIMEOUT_RETRY, 0x0);
180
181         /* ronen - enable only CS0 and Internal reg!! */
182         GT_REG_WRITE (PCI_0BASE_ADDRESS_REGISTERS_ENABLE, 0xfffffdfe);
183         GT_REG_WRITE (PCI_1BASE_ADDRESS_REGISTERS_ENABLE, 0xfffffdfe);
184
185         /* ronen:
186          * update the pci internal registers base address.
187          */
188 #ifdef MAP_PCI
189         for (stat = 0; stat <= PCI_HOST1; stat++)
190                 pciWriteConfigReg (stat,
191                                    PCI_INTERNAL_REGISTERS_MEMORY_MAPPED_BASE_ADDRESS,
192                                    SELF, CONFIG_SYS_GT_REGS);
193 #endif
194
195 }
196 #endif
197
198 /* Setup CPU interface paramaters */
199 static void gt_cpu_config (void)
200 {
201         cpu_t cpu = get_cpu_type ();
202         ulong tmp;
203
204         /* cpu configuration register */
205         tmp = GTREGREAD (CPU_CONFIGURATION);
206         /* set the SINGLE_CPU bit  see MV64460 */
207 #ifndef CONFIG_SYS_GT_DUAL_CPU          /* SINGLE_CPU seems to cause JTAG problems */
208         tmp |= CPU_CONF_SINGLE_CPU;
209 #endif
210         tmp &= ~CPU_CONF_AACK_DELAY_2;
211         tmp |= CPU_CONF_DP_VALID;
212         tmp |= CPU_CONF_AP_VALID;
213         tmp |= CPU_CONF_PIPELINE;
214         GT_REG_WRITE (CPU_CONFIGURATION, tmp);  /* Marvell (VXWorks) writes 0x20220FF */
215
216         /* CPU master control register */
217         tmp = GTREGREAD (CPU_MASTER_CONTROL);
218         tmp |= CPU_MAST_CTL_ARB_EN;
219
220         if ((cpu == CPU_7400) ||
221             (cpu == CPU_7410) || (cpu == CPU_7455) || (cpu == CPU_7450)) {
222
223                 tmp |= CPU_MAST_CTL_CLEAN_BLK;
224                 tmp |= CPU_MAST_CTL_FLUSH_BLK;
225
226         } else {
227                 /* cleanblock must be cleared for CPUs
228                  * that do not support this command (603e, 750)
229                  * see Res#1 */
230                 tmp &= ~CPU_MAST_CTL_CLEAN_BLK;
231                 tmp &= ~CPU_MAST_CTL_FLUSH_BLK;
232         }
233         GT_REG_WRITE (CPU_MASTER_CONTROL, tmp);
234 }
235
236 /*
237  * board_early_init_f.
238  *
239  * set up gal. device mappings, etc.
240  */
241 int board_early_init_f (void)
242 {
243         /* set up the GT the way the kernel wants it
244          * the call to move the GT register space will obviously
245          * fail if it has already been done, but we're going to assume
246          * that if it's not at the power-on location, it's where we put
247          * it last time. (huber)
248          */
249         my_remap_gt_regs (CONFIG_SYS_DFL_GT_REGS, CONFIG_SYS_GT_REGS);
250
251 #ifdef CONFIG_PCI
252         gt_pci_config ();
253 #endif
254         /* mask all external interrupt sources */
255         GT_REG_WRITE (CPU_INTERRUPT_MASK_REGISTER_LOW, 0);
256         GT_REG_WRITE (CPU_INTERRUPT_MASK_REGISTER_HIGH, 0);
257         /* new in >MV6436x */
258         GT_REG_WRITE (CPU_INTERRUPT_1_MASK_REGISTER_LOW, 0);
259         GT_REG_WRITE (CPU_INTERRUPT_1_MASK_REGISTER_HIGH, 0);
260         /* --------------------- */
261         GT_REG_WRITE (PCI_0INTERRUPT_CAUSE_MASK_REGISTER_LOW, 0);
262         GT_REG_WRITE (PCI_0INTERRUPT_CAUSE_MASK_REGISTER_HIGH, 0);
263         GT_REG_WRITE (PCI_1INTERRUPT_CAUSE_MASK_REGISTER_LOW, 0);
264         GT_REG_WRITE (PCI_1INTERRUPT_CAUSE_MASK_REGISTER_HIGH, 0);
265
266         /* Device and Boot bus settings
267          */
268         memoryMapDeviceSpace(DEVICE0, 0, 0);
269         GT_REG_WRITE(DEVICE_BANK0PARAMETERS, 0);
270         memoryMapDeviceSpace(DEVICE1, 0, 0);
271         GT_REG_WRITE(DEVICE_BANK1PARAMETERS, 0);
272         memoryMapDeviceSpace(DEVICE2, 0, 0);
273         GT_REG_WRITE(DEVICE_BANK2PARAMETERS, 0);
274         memoryMapDeviceSpace(DEVICE3, 0, 0);
275         GT_REG_WRITE(DEVICE_BANK3PARAMETERS, 0);
276
277         GT_REG_WRITE(DEVICE_BOOT_BANK_PARAMETERS, CONFIG_SYS_BOOT_PAR);
278
279         gt_cpu_config();
280
281         /* MPP setup */
282         GT_REG_WRITE (MPP_CONTROL0, CONFIG_SYS_MPP_CONTROL_0);
283         GT_REG_WRITE (MPP_CONTROL1, CONFIG_SYS_MPP_CONTROL_1);
284         GT_REG_WRITE (MPP_CONTROL2, CONFIG_SYS_MPP_CONTROL_2);
285         GT_REG_WRITE (MPP_CONTROL3, CONFIG_SYS_MPP_CONTROL_3);
286
287         GT_REG_WRITE (GPP_LEVEL_CONTROL, CONFIG_SYS_GPP_LEVEL_CONTROL);
288
289         set_led(LED_RED);
290
291         return 0;
292 }
293
294 /* various things to do after relocation */
295
296 int misc_init_r ()
297 {
298         u8 val;
299
300         icache_enable ();
301 #ifdef CONFIG_SYS_L2
302         l2cache_enable ();
303 #endif
304 #ifdef CONFIG_MPSC
305         mpsc_sdma_init ();
306         mpsc_init2 ();
307 #endif
308
309         /*
310          * Enable trickle changing in RTC upon powerup
311          * No diode, 250 ohm series resistor
312          */
313         val = 0xa5;
314         i2c_write(CONFIG_SYS_I2C_RTC_ADDR, 8, 1, &val, 1);
315
316         return 0;
317 }
318
319 void after_reloc (ulong dest_addr, gd_t * gd)
320 {
321         memoryMapDeviceSpace (BOOT_DEVICE, CONFIG_SYS_BOOT_SPACE, CONFIG_SYS_BOOT_SIZE);
322
323 /*      display_mem_map(); */
324
325         /* now, jump to the main U-Boot board init code */
326         set_led(LED_GREEN);
327         board_init_r (gd, dest_addr);
328         /* NOTREACHED */
329 }
330
331 /*
332  * Check Board Identity:
333  * right now, assume borad type. (there is just one...after all)
334  */
335
336 int checkboard (void)
337 {
338         char buf[64];
339         int i = getenv_f("serial#", buf, sizeof(buf));
340
341         printf("Board: %s", CONFIG_SYS_BOARD_NAME);
342
343         if (i > 0) {
344                 puts(", serial# ");
345                 puts(buf);
346         }
347         putc('\n');
348
349         return (0);
350 }
351
352 void set_led(int col)
353 {
354         int tmp;
355         int on_pin;
356         int off_pin;
357
358         /* Program Mpp[22] as Gpp[22]
359          * Program Mpp[23] as Gpp[23]
360          */
361         tmp = GTREGREAD(MPP_CONTROL2);
362         tmp &= 0x00ffffff;
363         GT_REG_WRITE(MPP_CONTROL2,tmp);
364
365         /* Program Gpp[22] and Gpp[23] as output
366          */
367         tmp = GTREGREAD(GPP_IO_CONTROL);
368         tmp |= 0x00C00000;
369         GT_REG_WRITE(GPP_IO_CONTROL, tmp);
370
371         /* Program Gpp[22] and Gpp[23] as active high
372          */
373         tmp = GTREGREAD(GPP_LEVEL_CONTROL);
374         tmp &= 0xff3fffff;
375         GT_REG_WRITE(GPP_LEVEL_CONTROL, tmp);
376
377         switch(col) {
378         default:
379         case LED_OFF :
380                 on_pin  = 0;
381                 off_pin = ((1 << 23) | (1 << 22));
382                 break;
383         case LED_RED :
384                 on_pin  = (1 << 23);
385                 off_pin = (1 << 22);
386                 break;
387         case LED_GREEN :
388                 on_pin  = (1 << 22);
389                 off_pin = (1 << 23);
390                 break;
391         case LED_ORANGE :
392                 on_pin  = ((1 << 23) | (1 << 22));
393                 off_pin = 0;
394                 break;
395         }
396
397         /* Set output Gpp[22] and Gpp[23]
398          */
399         tmp = GTREGREAD(GPP_VALUE);
400         tmp |= on_pin;
401         tmp &= ~off_pin;
402         GT_REG_WRITE(GPP_VALUE, tmp);
403 }
404
405 int display_mem_map (void)
406 {
407         int i;
408         unsigned int base, size, width;
409 #ifdef CONFIG_PCI
410         int j;
411 #endif
412
413         /* SDRAM */
414         printf ("SD (DDR) RAM\n");
415         for (i = 0; i <= BANK3; i++) {
416                 base = memoryGetBankBaseAddress (i);
417                 size = memoryGetBankSize (i);
418                 if (size != 0)
419                         printf ("BANK%d: base - 0x%08x\tsize - %dM bytes\n",
420                                 i, base, size >> 20);
421         }
422 #ifdef CONFIG_PCI
423         /* CPU's PCI windows */
424         for (i = 0; i <= PCI_HOST1; i++) {
425                 printf ("\nCPU's PCI %d windows\n", i);
426                 base = pciGetSpaceBase (i, PCI_IO);
427                 size = pciGetSpaceSize (i, PCI_IO);
428                 printf ("      IO: base - 0x%08x\tsize - %dM bytes\n", base,
429                         size >> 20);
430                 /* ronen currently only first PCI MEM is used 3 */
431                 for (j = 0; j <= PCI_REGION0; j++) {
432                         base = pciGetSpaceBase (i, j);
433                         size = pciGetSpaceSize (i, j);
434                         printf ("MEMORY %d: base - 0x%08x\tsize - %dM bytes\n",
435                                 j, base, size >> 20);
436                 }
437         }
438 #endif /* of CONFIG_PCI */
439
440         /* Bootrom */
441         base = memoryGetDeviceBaseAddress (BOOT_DEVICE);        /* Boot */
442         size = memoryGetDeviceSize (BOOT_DEVICE);
443         width = memoryGetDeviceWidth (BOOT_DEVICE) * 8;
444         printf (" BOOT:  base - 0x%08x  size - %dM bytes\twidth - %d bits\t- FLASH\n",
445                 base, size >> 20, width);
446
447         return (0);
448 }
449
450 /* DRAM check routines copied from gw8260 */
451
452 #if defined (CONFIG_SYS_DRAM_TEST)
453
454 /*********************************************************************/
455 /* NAME:  move64() -  moves a double word (64-bit)                   */
456 /*                                                                   */
457 /* DESCRIPTION:                                                      */
458 /*   this function performs a double word move from the data at      */
459 /*   the source pointer to the location at the destination pointer.  */
460 /*                                                                   */
461 /* INPUTS:                                                           */
462 /*   unsigned long long *src  - pointer to data to move              */
463 /*                                                                   */
464 /* OUTPUTS:                                                          */
465 /*   unsigned long long *dest - pointer to locate to move data       */
466 /*                                                                   */
467 /* RETURNS:                                                          */
468 /*   None                                                            */
469 /*                                                                   */
470 /* RESTRICTIONS/LIMITATIONS:                                         */
471 /*   May cloober fr0.                                                */
472 /*                                                                   */
473 /*********************************************************************/
474 static void move64 (unsigned long long *src, unsigned long long *dest)
475 {
476         asm ("lfd  0, 0(3)\n\t" /* fpr0   =  *scr       */
477              "stfd 0, 0(4)"     /* *dest  =  fpr0       */
478              : : : "fr0");              /* Clobbers fr0         */
479         return;
480 }
481
482
483 #if defined (CONFIG_SYS_DRAM_TEST_DATA)
484
485 unsigned long long pattern[] = {
486         0xaaaaaaaaaaaaaaaaULL,
487         0xccccccccccccccccULL,
488         0xf0f0f0f0f0f0f0f0ULL,
489         0xff00ff00ff00ff00ULL,
490         0xffff0000ffff0000ULL,
491         0xffffffff00000000ULL,
492         0x00000000ffffffffULL,
493         0x0000ffff0000ffffULL,
494         0x00ff00ff00ff00ffULL,
495         0x0f0f0f0f0f0f0f0fULL,
496         0x3333333333333333ULL,
497         0x5555555555555555ULL
498 };
499
500 /*********************************************************************/
501 /* NAME:  mem_test_data() -  test data lines for shorts and opens    */
502 /*                                                                   */
503 /* DESCRIPTION:                                                      */
504 /*   Tests data lines for shorts and opens by forcing adjacent data  */
505 /*   to opposite states. Because the data lines could be routed in   */
506 /*   an arbitrary manner the must ensure test patterns ensure that   */
507 /*   every case is tested. By using the following series of binary   */
508 /*   patterns every combination of adjacent bits is test regardless  */
509 /*   of routing.                                                     */
510 /*                                                                   */
511 /*     ...101010101010101010101010                                   */
512 /*     ...110011001100110011001100                                   */
513 /*     ...111100001111000011110000                                   */
514 /*     ...111111110000000011111111                                   */
515 /*                                                                   */
516 /*   Carrying this out, gives us six hex patterns as follows:        */
517 /*                                                                   */
518 /*     0xaaaaaaaaaaaaaaaa                                            */
519 /*     0xcccccccccccccccc                                            */
520 /*     0xf0f0f0f0f0f0f0f0                                            */
521 /*     0xff00ff00ff00ff00                                            */
522 /*     0xffff0000ffff0000                                            */
523 /*     0xffffffff00000000                                            */
524 /*                                                                   */
525 /*   The number test patterns will always be given by:               */
526 /*                                                                   */
527 /*   log(base 2)(number data bits) = log2 (64) = 6                   */
528 /*                                                                   */
529 /*   To test for short and opens to other signals on our boards. we  */
530 /*   simply                                                          */
531 /*   test with the 1's complemnt of the paterns as well.             */
532 /*                                                                   */
533 /* OUTPUTS:                                                          */
534 /*   Displays failing test pattern                                   */
535 /*                                                                   */
536 /* RETURNS:                                                          */
537 /*   0 -  Passed test                                                */
538 /*   1 -  Failed test                                                */
539 /*                                                                   */
540 /* RESTRICTIONS/LIMITATIONS:                                         */
541 /*  Assumes only one one SDRAM bank                                  */
542 /*                                                                   */
543 /*********************************************************************/
544 int mem_test_data (void)
545 {
546         unsigned long long *pmem = (unsigned long long *) CONFIG_SYS_MEMTEST_START;
547         unsigned long long temp64 = 0;
548         int num_patterns = sizeof (pattern) / sizeof (pattern[0]);
549         int i;
550         unsigned int hi, lo;
551
552         for (i = 0; i < num_patterns; i++) {
553                 move64 (&(pattern[i]), pmem);
554                 move64 (pmem, &temp64);
555
556                 /* hi = (temp64>>32) & 0xffffffff;          */
557                 /* lo = temp64 & 0xffffffff;                */
558                 /* printf("\ntemp64 = 0x%08x%08x", hi, lo); */
559
560                 hi = (pattern[i] >> 32) & 0xffffffff;
561                 lo = pattern[i] & 0xffffffff;
562                 /* printf("\npattern[%d] = 0x%08x%08x", i, hi, lo);  */
563
564                 if (temp64 != pattern[i]) {
565                         printf ("\n   Data Test Failed, pattern 0x%08x%08x",
566                                 hi, lo);
567                         return 1;
568                 }
569         }
570
571         return 0;
572 }
573 #endif /* CONFIG_SYS_DRAM_TEST_DATA */
574
575 #if defined (CONFIG_SYS_DRAM_TEST_ADDRESS)
576 /*********************************************************************/
577 /* NAME:  mem_test_address() -  test address lines                   */
578 /*                                                                   */
579 /* DESCRIPTION:                                                      */
580 /*   This function performs a test to verify that each word im       */
581 /*   memory is uniquly addressable. The test sequence is as follows: */
582 /*                                                                   */
583 /*   1) write the address of each word to each word.                 */
584 /*   2) verify that each location equals its address                 */
585 /*                                                                   */
586 /* OUTPUTS:                                                          */
587 /*   Displays failing test pattern and address                       */
588 /*                                                                   */
589 /* RETURNS:                                                          */
590 /*   0 -  Passed test                                                */
591 /*   1 -  Failed test                                                */
592 /*                                                                   */
593 /* RESTRICTIONS/LIMITATIONS:                                         */
594 /*                                                                   */
595 /*                                                                   */
596 /*********************************************************************/
597 int mem_test_address (void)
598 {
599         volatile unsigned int *pmem =
600                 (volatile unsigned int *) CONFIG_SYS_MEMTEST_START;
601         const unsigned int size = (CONFIG_SYS_MEMTEST_END - CONFIG_SYS_MEMTEST_START) / 4;
602         unsigned int i;
603
604         /* write address to each location */
605         for (i = 0; i < size; i++)
606                 pmem[i] = i;
607
608         /* verify each loaction */
609         for (i = 0; i < size; i++) {
610                 if (pmem[i] != i) {
611                         printf ("\n   Address Test Failed at 0x%x", i);
612                         return 1;
613                 }
614         }
615         return 0;
616 }
617 #endif /* CONFIG_SYS_DRAM_TEST_ADDRESS */
618
619 #if defined (CONFIG_SYS_DRAM_TEST_WALK)
620 /*********************************************************************/
621 /* NAME:   mem_march() -  memory march                               */
622 /*                                                                   */
623 /* DESCRIPTION:                                                      */
624 /*   Marches up through memory. At each location verifies rmask if   */
625 /*   read = 1. At each location write wmask if  write = 1. Displays  */
626 /*   failing address and pattern.                                    */
627 /*                                                                   */
628 /* INPUTS:                                                           */
629 /*   volatile unsigned long long * base - start address of test      */
630 /*   unsigned int size - number of dwords(64-bit) to test            */
631 /*   unsigned long long rmask - read verify mask                     */
632 /*   unsigned long long wmask - wrtie verify mask                    */
633 /*   short read - verifies rmask if read = 1                         */
634 /*   short write  - writes wmask if write = 1                        */
635 /*                                                                   */
636 /* OUTPUTS:                                                          */
637 /*   Displays failing test pattern and address                       */
638 /*                                                                   */
639 /* RETURNS:                                                          */
640 /*   0 -  Passed test                                                */
641 /*   1 -  Failed test                                                */
642 /*                                                                   */
643 /* RESTRICTIONS/LIMITATIONS:                                         */
644 /*                                                                   */
645 /*                                                                   */
646 /*********************************************************************/
647 int mem_march (volatile unsigned long long *base,
648                unsigned int size,
649                unsigned long long rmask,
650                unsigned long long wmask, short read, short write)
651 {
652         unsigned int i;
653         unsigned long long temp = 0;
654         unsigned int hitemp, lotemp, himask, lomask;
655
656         for (i = 0; i < size; i++) {
657                 if (read != 0) {
658                         /* temp = base[i]; */
659                         move64 ((unsigned long long *) &(base[i]), &temp);
660                         if (rmask != temp) {
661                                 hitemp = (temp >> 32) & 0xffffffff;
662                                 lotemp = temp & 0xffffffff;
663                                 himask = (rmask >> 32) & 0xffffffff;
664                                 lomask = rmask & 0xffffffff;
665
666                                 printf ("\n Walking one's test failed: address = 0x%08x," "\n\texpected 0x%08x%08x, found 0x%08x%08x", i << 3, himask, lomask, hitemp, lotemp);
667                                 return 1;
668                         }
669                 }
670                 if (write != 0) {
671                         /*  base[i] = wmask; */
672                         move64 (&wmask, (unsigned long long *) &(base[i]));
673                 }
674         }
675         return 0;
676 }
677 #endif /* CONFIG_SYS_DRAM_TEST_WALK */
678
679 /*********************************************************************/
680 /* NAME:   mem_test_walk() -  a simple walking ones test             */
681 /*                                                                   */
682 /* DESCRIPTION:                                                      */
683 /*   Performs a walking ones through entire physical memory. The     */
684 /*   test uses as series of memory marches, mem_march(), to verify   */
685 /*   and write the test patterns to memory. The test sequence is as  */
686 /*   follows:                                                        */
687 /*     1) march writing 0000...0001                                  */
688 /*     2) march verifying 0000...0001  , writing  0000...0010        */
689 /*     3) repeat step 2 shifting masks left 1 bit each time unitl    */
690 /*         the write mask equals 1000...0000                         */
691 /*     4) march verifying 1000...0000                                */
692 /*   The test fails if any of the memory marches return a failure.   */
693 /*                                                                   */
694 /* OUTPUTS:                                                          */
695 /*   Displays which pass on the memory test is executing             */
696 /*                                                                   */
697 /* RETURNS:                                                          */
698 /*   0 -  Passed test                                                */
699 /*   1 -  Failed test                                                */
700 /*                                                                   */
701 /* RESTRICTIONS/LIMITATIONS:                                         */
702 /*                                                                   */
703 /*                                                                   */
704 /*********************************************************************/
705 int mem_test_walk (void)
706 {
707         unsigned long long mask;
708         volatile unsigned long long *pmem =
709                 (volatile unsigned long long *) CONFIG_SYS_MEMTEST_START;
710         const unsigned long size = (CONFIG_SYS_MEMTEST_END - CONFIG_SYS_MEMTEST_START) / 8;
711
712         unsigned int i;
713
714         mask = 0x01;
715
716         printf ("Initial Pass");
717         mem_march (pmem, size, 0x0, 0x1, 0, 1);
718
719         printf ("\b\b\b\b\b\b\b\b\b\b\b\b");
720         printf ("               ");
721         printf ("         ");
722         printf ("\b\b\b\b\b\b\b\b\b\b\b\b");
723
724         for (i = 0; i < 63; i++) {
725                 printf ("Pass %2d", i + 2);
726                 if (mem_march (pmem, size, mask, mask << 1, 1, 1) != 0) {
727                         /*printf("mask: 0x%x, pass: %d, ", mask, i); */
728                         return 1;
729                 }
730                 mask = mask << 1;
731                 printf ("\b\b\b\b\b\b\b");
732         }
733
734         printf ("Last Pass");
735         if (mem_march (pmem, size, 0, mask, 0, 1) != 0) {
736                 /* printf("mask: 0x%x", mask); */
737                 return 1;
738         }
739         printf ("\b\b\b\b\b\b\b\b\b");
740         printf ("            ");
741         printf ("\b\b\b\b\b\b\b\b\b");
742
743         return 0;
744 }
745
746 /*********************************************************************/
747 /* NAME:    testdram() -  calls any enabled memory tests             */
748 /*                                                                   */
749 /* DESCRIPTION:                                                      */
750 /*   Runs memory tests if the environment test variables are set to  */
751 /*   'y'.                                                            */
752 /*                                                                   */
753 /* INPUTS:                                                           */
754 /*   testdramdata    - If set to 'y', data test is run.              */
755 /*   testdramaddress - If set to 'y', address test is run.           */
756 /*   testdramwalk    - If set to 'y', walking ones test is run       */
757 /*                                                                   */
758 /* OUTPUTS:                                                          */
759 /*   None                                                            */
760 /*                                                                   */
761 /* RETURNS:                                                          */
762 /*   0 -  Passed test                                                */
763 /*   1 -  Failed test                                                */
764 /*                                                                   */
765 /* RESTRICTIONS/LIMITATIONS:                                         */
766 /*                                                                   */
767 /*                                                                   */
768 /*********************************************************************/
769 int testdram (void)
770 {
771         int rundata    = 0;
772         int runaddress = 0;
773         int runwalk    = 0;
774
775 #ifdef CONFIG_SYS_DRAM_TEST_DATA
776         rundata = getenv_yesno("testdramdata") == 1;
777 #endif
778 #ifdef CONFIG_SYS_DRAM_TEST_ADDRESS
779         runaddress = getenv_yesno("testdramaddress") == 1;
780 #endif
781 #ifdef CONFIG_SYS_DRAM_TEST_WALK
782         runwalk = getenv_yesno("testdramwalk") == 1;
783 #endif
784
785         if ((rundata == 1) || (runaddress == 1) || (runwalk == 1))
786                 printf ("Testing RAM from 0x%08x to 0x%08x ...  "
787                         "(don't panic... that will take a moment !!!!)\n",
788                         CONFIG_SYS_MEMTEST_START, CONFIG_SYS_MEMTEST_END);
789 #ifdef CONFIG_SYS_DRAM_TEST_DATA
790         if (rundata == 1) {
791                 printf ("Test DATA ...  ");
792                 if (mem_test_data () == 1) {
793                         printf ("failed \n");
794                         return 1;
795                 } else
796                         printf ("ok \n");
797         }
798 #endif
799 #ifdef CONFIG_SYS_DRAM_TEST_ADDRESS
800         if (runaddress == 1) {
801                 printf ("Test ADDRESS ...  ");
802                 if (mem_test_address () == 1) {
803                         printf ("failed \n");
804                         return 1;
805                 } else
806                         printf ("ok \n");
807         }
808 #endif
809 #ifdef CONFIG_SYS_DRAM_TEST_WALK
810         if (runwalk == 1) {
811                 printf ("Test WALKING ONEs ...  ");
812                 if (mem_test_walk () == 1) {
813                         printf ("failed \n");
814                         return 1;
815                 } else
816                         printf ("ok \n");
817         }
818 #endif
819         if ((rundata == 1) || (runaddress == 1) || (runwalk == 1))
820                 printf ("passed\n");
821         return 0;
822
823 }
824 #endif /* CONFIG_SYS_DRAM_TEST */
825
826 /* ronen - the below functions are used by the bootm function           */
827 /*  - we map the base register to fbe00000 (same mapping as in the LSP) */
828 /*  - we turn off the RX gig dmas - to prevent the dma from overunning  */
829 /*    the kernel data areas.                                            */
830 /*  - we diable and invalidate the icache and dcache.                   */
831 void my_remap_gt_regs_bootm (u32 cur_loc, u32 new_loc)
832 {
833         u32 temp;
834
835         temp = in_le32 ((u32 *) (new_loc + INTERNAL_SPACE_DECODE));
836         if ((temp & 0xffff) == new_loc >> 16)
837                 return;
838
839         temp = (in_le32 ((u32 *) (cur_loc + INTERNAL_SPACE_DECODE)) &
840                 0xffff0000) | (new_loc >> 16);
841
842         out_le32 ((u32 *) (cur_loc + INTERNAL_SPACE_DECODE), temp);
843
844         while ((WORD_SWAP (*((volatile unsigned int *) (NONE_CACHEABLE |
845                                                         new_loc |
846                                                         (INTERNAL_SPACE_DECODE)))))
847                != temp);
848
849 }
850
851 int board_eth_init(bd_t *bis)
852 {
853         return mv6446x_eth_initialize(bis);
854 }