2 * (C) Copyright 2003-2006
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
8 * (C) Copyright 2004-2006
9 * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de
11 * See file CREDITS for list of people who contributed to this
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
33 #include <asm/processor.h>
37 #ifdef CONFIG_VIDEO_SM501
41 #if defined(CONFIG_MPC5200_DDR)
42 #include "mt46v16m16-75.h"
44 #include "mt48lc16m16a2-75.h"
47 #ifdef CONFIG_OF_LIBFDT
48 #include <fdt_support.h>
49 #endif /* CONFIG_OF_LIBFDT */
51 DECLARE_GLOBAL_DATA_PTR
;
54 void ps2mult_early_init(void);
57 #ifndef CONFIG_SYS_RAMBOOT
58 static void sdram_start (int hi_addr
)
60 long hi_addr_bit
= hi_addr
? 0x01000000 : 0;
62 /* unlock mode register */
63 *(vu_long
*)MPC5XXX_SDRAM_CTRL
= SDRAM_CONTROL
| 0x80000000 |
65 __asm__
volatile ("sync");
67 /* precharge all banks */
68 *(vu_long
*)MPC5XXX_SDRAM_CTRL
= SDRAM_CONTROL
| 0x80000002 |
70 __asm__
volatile ("sync");
73 /* set mode register: extended mode */
74 *(vu_long
*)MPC5XXX_SDRAM_MODE
= SDRAM_EMODE
;
75 __asm__
volatile ("sync");
77 /* set mode register: reset DLL */
78 *(vu_long
*)MPC5XXX_SDRAM_MODE
= SDRAM_MODE
| 0x04000000;
79 __asm__
volatile ("sync");
82 /* precharge all banks */
83 *(vu_long
*)MPC5XXX_SDRAM_CTRL
= SDRAM_CONTROL
| 0x80000002 |
85 __asm__
volatile ("sync");
88 *(vu_long
*)MPC5XXX_SDRAM_CTRL
= SDRAM_CONTROL
| 0x80000004 |
90 __asm__
volatile ("sync");
92 /* set mode register */
93 *(vu_long
*)MPC5XXX_SDRAM_MODE
= SDRAM_MODE
;
94 __asm__
volatile ("sync");
96 /* normal operation */
97 *(vu_long
*)MPC5XXX_SDRAM_CTRL
= SDRAM_CONTROL
| hi_addr_bit
;
98 __asm__
volatile ("sync");
103 * ATTENTION: Although partially referenced initdram does NOT make real use
104 * use of CONFIG_SYS_SDRAM_BASE. The code does not work if CONFIG_SYS_SDRAM_BASE
105 * is something else than 0x00000000.
108 phys_size_t
initdram (int board_type
)
114 #ifndef CONFIG_SYS_RAMBOOT
117 /* setup SDRAM chip selects */
118 *(vu_long
*)MPC5XXX_SDRAM_CS0CFG
= 0x0000001c; /* 512MB at 0x0 */
119 *(vu_long
*)MPC5XXX_SDRAM_CS1CFG
= 0x40000000; /* disabled */
120 __asm__
volatile ("sync");
122 /* setup config registers */
123 *(vu_long
*)MPC5XXX_SDRAM_CONFIG1
= SDRAM_CONFIG1
;
124 *(vu_long
*)MPC5XXX_SDRAM_CONFIG2
= SDRAM_CONFIG2
;
125 __asm__
volatile ("sync");
129 *(vu_long
*)MPC5XXX_CDM_PORCFG
= SDRAM_TAPDELAY
;
130 __asm__
volatile ("sync");
133 /* find RAM size using SDRAM CS0 only */
135 test1
= get_ram_size((long *)CONFIG_SYS_SDRAM_BASE
, 0x20000000);
137 test2
= get_ram_size((long *)CONFIG_SYS_SDRAM_BASE
, 0x20000000);
145 /* memory smaller than 1MB is impossible */
146 if (dramsize
< (1 << 20)) {
150 /* set SDRAM CS0 size according to the amount of RAM found */
152 *(vu_long
*)MPC5XXX_SDRAM_CS0CFG
= 0x13 +
153 __builtin_ffs(dramsize
>> 20) - 1;
155 *(vu_long
*)MPC5XXX_SDRAM_CS0CFG
= 0; /* disabled */
158 /* let SDRAM CS1 start right after CS0 */
159 *(vu_long
*)MPC5XXX_SDRAM_CS1CFG
= dramsize
+ 0x0000001c; /* 512MB */
161 /* find RAM size using SDRAM CS1 only */
164 test2
= test1
= get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE
+ dramsize
), 0x20000000);
167 test2
= get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE
+ dramsize
), 0x20000000);
176 /* memory smaller than 1MB is impossible */
177 if (dramsize2
< (1 << 20)) {
181 /* set SDRAM CS1 size according to the amount of RAM found */
183 *(vu_long
*)MPC5XXX_SDRAM_CS1CFG
= dramsize
184 | (0x13 + __builtin_ffs(dramsize2
>> 20) - 1);
186 *(vu_long
*)MPC5XXX_SDRAM_CS1CFG
= dramsize
; /* disabled */
189 #else /* CONFIG_SYS_RAMBOOT */
191 /* retrieve size of memory connected to SDRAM CS0 */
192 dramsize
= *(vu_long
*)MPC5XXX_SDRAM_CS0CFG
& 0xFF;
193 if (dramsize
>= 0x13) {
194 dramsize
= (1 << (dramsize
- 0x13)) << 20;
199 /* retrieve size of memory connected to SDRAM CS1 */
200 dramsize2
= *(vu_long
*)MPC5XXX_SDRAM_CS1CFG
& 0xFF;
201 if (dramsize2
>= 0x13) {
202 dramsize2
= (1 << (dramsize2
- 0x13)) << 20;
206 #endif /* CONFIG_SYS_RAMBOOT */
209 * On MPC5200B we need to set the special configuration delay in the
210 * DDR controller. Please refer to Freescale's AN3221 "MPC5200B SDRAM
211 * Initialization and Configuration", 3.3.1 SDelay--MBAR + 0x0190:
213 * "The SDelay should be written to a value of 0x00000004. It is
214 * required to account for changes caused by normal wafer processing
219 if ((SVR_MJREV(svr
) >= 2) &&
220 (PVR_MAJ(pvr
) == 1) && (PVR_MIN(pvr
) == 4)) {
222 *(vu_long
*)MPC5XXX_SDRAM_SDELAY
= 0x04;
223 __asm__
volatile ("sync");
226 #if defined(CONFIG_TQM5200_B)
227 return dramsize
+ dramsize2
;
230 #endif /* CONFIG_TQM5200_B */
233 int checkboard (void)
235 #if defined(CONFIG_AEVFIFO)
236 puts ("Board: AEVFIFO\n");
240 #if defined(CONFIG_TQM5200S)
241 # define MODULE_NAME "TQM5200S"
243 # define MODULE_NAME "TQM5200"
246 #if defined(CONFIG_STK52XX)
247 # define CARRIER_NAME "STK52xx"
248 #elif defined(CONFIG_TB5200)
249 # define CARRIER_NAME "TB5200"
250 #elif defined(CONFIG_CAM5200)
251 # define CARRIER_NAME "CAM5200"
252 #elif defined(CONFIG_FO300)
253 # define CARRIER_NAME "FO300"
258 puts ( "Board: " MODULE_NAME
" (TQ-Components GmbH)\n"
259 " on a " CARRIER_NAME
" carrier board\n");
267 void flash_preinit(void)
270 * Now, when we are in RAM, enable flash write
271 * access for detection process.
272 * Note that CS_BOOT cannot be cleared when
273 * executing in flash.
275 *(vu_long
*)MPC5XXX_BOOTCS_CFG
&= ~0x1; /* clear RO */
280 static struct pci_controller hose
;
282 extern void pci_mpc5xxx_init(struct pci_controller
*);
284 void pci_init_board(void)
286 pci_mpc5xxx_init(&hose
);
290 #if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET)
292 #if defined (CONFIG_MINIFAP)
293 #define SM501_POWER_MODE0_GATE 0x00000040UL
294 #define SM501_POWER_MODE1_GATE 0x00000048UL
295 #define POWER_MODE_GATE_GPIO_PWM_I2C 0x00000040UL
296 #define SM501_GPIO_DATA_DIR_HIGH 0x0001000CUL
297 #define SM501_GPIO_DATA_HIGH 0x00010004UL
298 #define SM501_GPIO_51 0x00080000UL
299 #endif /* CONFIG MINIFAP */
301 void init_ide_reset (void)
303 debug ("init_ide_reset\n");
305 #if defined (CONFIG_MINIFAP)
306 /* Configure GPIO_51 of the SM501 grafic controller as ATA reset */
308 /* enable GPIO control (in both power modes) */
309 *(vu_long
*) (SM501_MMIO_BASE
+SM501_POWER_MODE0_GATE
) |=
310 POWER_MODE_GATE_GPIO_PWM_I2C
;
311 *(vu_long
*) (SM501_MMIO_BASE
+SM501_POWER_MODE1_GATE
) |=
312 POWER_MODE_GATE_GPIO_PWM_I2C
;
313 /* configure GPIO51 as output */
314 *(vu_long
*) (SM501_MMIO_BASE
+SM501_GPIO_DATA_DIR_HIGH
) |=
317 /* Configure PSC1_4 as GPIO output for ATA reset */
318 *(vu_long
*) MPC5XXX_WU_GPIO_ENABLE
|= GPIO_PSC1_4
;
319 *(vu_long
*) MPC5XXX_WU_GPIO_DIR
|= GPIO_PSC1_4
;
321 /* by default the ATA reset is de-asserted */
322 *(vu_long
*) MPC5XXX_WU_GPIO_DATA_O
|= GPIO_PSC1_4
;
326 void ide_set_reset (int idereset
)
328 debug ("ide_reset(%d)\n", idereset
);
330 #if defined (CONFIG_MINIFAP)
332 *(vu_long
*) (SM501_MMIO_BASE
+SM501_GPIO_DATA_HIGH
) &=
335 *(vu_long
*) (SM501_MMIO_BASE
+SM501_GPIO_DATA_HIGH
) |=
340 *(vu_long
*) MPC5XXX_WU_GPIO_DATA_O
&= ~GPIO_PSC1_4
;
342 *(vu_long
*) MPC5XXX_WU_GPIO_DATA_O
|= GPIO_PSC1_4
;
350 * Reads GPIO pin PSC6_3. A keypress is reported, if PSC6_3 is low. If PSC6_3
351 * is left open, no keypress is detected.
353 int post_hotkeys_pressed(void)
355 #ifdef CONFIG_STK52XX
356 struct mpc5xxx_gpio
*gpio
;
358 gpio
= (struct mpc5xxx_gpio
*) MPC5XXX_GPIO
;
361 * Configure PSC6_0 through PSC6_3 as GPIO.
363 gpio
->port_config
&= ~(0x00700000);
365 /* Enable GPIO for GPIO_IRDA_1 (IR_USB_CLK pin) = PSC6_3 */
366 gpio
->simple_gpioe
|= 0x20000000;
368 /* Configure GPIO_IRDA_1 as input */
369 gpio
->simple_ddr
&= ~(0x20000000);
371 return ((gpio
->simple_ival
& 0x20000000) ? 0 : 1);
378 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
380 void post_word_store (ulong a
)
382 volatile ulong
*save_addr
=
383 (volatile ulong
*)(MPC5XXX_SRAM
+ MPC5XXX_SRAM_POST_SIZE
);
388 ulong
post_word_load (void)
390 volatile ulong
*save_addr
=
391 (volatile ulong
*)(MPC5XXX_SRAM
+ MPC5XXX_SRAM_POST_SIZE
);
395 #endif /* CONFIG_POST || CONFIG_LOGBUFFER*/
397 #ifdef CONFIG_BOARD_EARLY_INIT_R
398 int board_early_init_r (void)
401 extern int usb_cpu_init(void);
403 #ifdef CONFIG_PS2MULT
404 ps2mult_early_init();
405 #endif /* CONFIG_PS2MULT */
407 #if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
408 /* Low level USB init, required for proper kernel operation */
417 int silent_boot (void)
419 vu_long timer3_status
;
421 /* Configure GPT3 as GPIO input */
422 *(vu_long
*)MPC5XXX_GPT3_ENABLE
= 0x00000004;
424 /* Read in TIMER_3 pin status */
425 timer3_status
= *(vu_long
*)MPC5XXX_GPT3_STATUS
;
427 #ifdef FO300_SILENT_CONSOLE_WHEN_S1_CLOSED
428 /* Force silent console mode if S1 switch
429 * is in closed position (TIMER_3 pin status is LOW). */
430 if (MPC5XXX_GPT_GPIO_PIN(timer3_status
) == 0)
433 /* Force silent console mode if S1 switch
434 * is in open position (TIMER_3 pin status is HIGH). */
435 if (MPC5XXX_GPT_GPIO_PIN(timer3_status
) == 1)
442 int board_early_init_f (void)
445 gd
->flags
|= GD_FLG_SILENT
;
449 #endif /* CONFIG_FO300 */
451 int last_stage_init (void)
454 * auto scan for really existing devices and re-set chip select
461 * Check for SRAM and SRAM size
464 /* save original SRAM content */
465 save
= *(volatile u16
*)CONFIG_SYS_CS2_START
;
468 /* write test pattern to SRAM */
469 *(volatile u16
*)CONFIG_SYS_CS2_START
= 0xA5A5;
470 __asm__
volatile ("sync");
472 * Put a different pattern on the data lines: otherwise they may float
473 * long enough to read back what we wrote.
475 tmp
= *(volatile u16
*)CONFIG_SYS_FLASH_BASE
;
477 puts ("!! possible error in SRAM detection\n");
479 if (*(volatile u16
*)CONFIG_SYS_CS2_START
!= 0xA5A5) {
480 /* no SRAM at all, disable cs */
481 *(vu_long
*)MPC5XXX_ADDECR
&= ~(1 << 18);
482 *(vu_long
*)MPC5XXX_CS2_START
= 0x0000FFFF;
483 *(vu_long
*)MPC5XXX_CS2_STOP
= 0x0000FFFF;
485 __asm__
volatile ("sync");
486 } else if (*(volatile u16
*)(CONFIG_SYS_CS2_START
+ (1<<19)) == 0xA5A5) {
487 /* make sure that we access a mirrored address */
488 *(volatile u16
*)CONFIG_SYS_CS2_START
= 0x1111;
489 __asm__
volatile ("sync");
490 if (*(volatile u16
*)(CONFIG_SYS_CS2_START
+ (1<<19)) == 0x1111) {
491 /* SRAM size = 512 kByte */
492 *(vu_long
*)MPC5XXX_CS2_STOP
= STOP_REG(CONFIG_SYS_CS2_START
,
494 __asm__
volatile ("sync");
495 puts ("SRAM: 512 kB\n");
498 puts ("!! possible error in SRAM detection\n");
500 puts ("SRAM: 1 MB\n");
502 /* restore origianl SRAM content */
504 *(volatile u16
*)CONFIG_SYS_CS2_START
= save
;
505 __asm__
volatile ("sync");
508 #ifndef CONFIG_TQM5200S /* The TQM5200S has no SM501 grafic controller */
510 * Check for Grafic Controller
513 /* save origianl FB content */
514 save
= *(volatile u16
*)CONFIG_SYS_CS1_START
;
517 /* write test pattern to FB memory */
518 *(volatile u16
*)CONFIG_SYS_CS1_START
= 0xA5A5;
519 __asm__
volatile ("sync");
521 * Put a different pattern on the data lines: otherwise they may float
522 * long enough to read back what we wrote.
524 tmp
= *(volatile u16
*)CONFIG_SYS_FLASH_BASE
;
526 puts ("!! possible error in grafic controller detection\n");
528 if (*(volatile u16
*)CONFIG_SYS_CS1_START
!= 0xA5A5) {
529 /* no grafic controller at all, disable cs */
530 *(vu_long
*)MPC5XXX_ADDECR
&= ~(1 << 17);
531 *(vu_long
*)MPC5XXX_CS1_START
= 0x0000FFFF;
532 *(vu_long
*)MPC5XXX_CS1_STOP
= 0x0000FFFF;
534 __asm__
volatile ("sync");
536 puts ("VGA: SMI501 (Voyager) with 8 MB\n");
538 /* restore origianl FB content */
540 *(volatile u16
*)CONFIG_SYS_CS1_START
= save
;
541 __asm__
volatile ("sync");
546 setenv("bootdelay", "0");
550 #endif /* !CONFIG_TQM5200S */
555 #ifdef CONFIG_VIDEO_SM501
558 #define DISPLAY_WIDTH 800
560 #define DISPLAY_WIDTH 640
562 #define DISPLAY_HEIGHT 480
564 #ifdef CONFIG_VIDEO_SM501_8BPP
565 #error CONFIG_VIDEO_SM501_8BPP not supported.
566 #endif /* CONFIG_VIDEO_SM501_8BPP */
568 #ifdef CONFIG_VIDEO_SM501_16BPP
569 #error CONFIG_VIDEO_SM501_16BPP not supported.
570 #endif /* CONFIG_VIDEO_SM501_16BPP */
571 #ifdef CONFIG_VIDEO_SM501_32BPP
572 static const SMI_REGS init_regs
[] =
576 {0x00048, 0x00021807},
577 {0x0004C, 0x10090a01},
579 {0x00040, 0x00021807},
580 {0x00044, 0x10090a01},
582 {0x80200, 0x00010000},
584 {0x80208, 0x0A000A00},
585 {0x8020C, 0x02fa027f},
586 {0x80210, 0x004a028b},
587 {0x80214, 0x020c01df},
588 {0x80218, 0x000201e9},
589 {0x80200, 0x00013306},
590 #else /* panel + CRT */
593 {0x00048, 0x00021807},
594 {0x0004C, 0x301a0a01},
596 {0x00040, 0x00021807},
597 {0x00044, 0x091a0a01},
599 {0x80000, 0x0f013106},
600 {0x80004, 0xc428bb17},
601 {0x8000C, 0x00000000},
602 {0x80010, 0x0C800C80},
603 {0x80014, 0x03200000},
604 {0x80018, 0x01e00000},
605 {0x8001C, 0x00000000},
606 {0x80020, 0x01e00320},
607 {0x80024, 0x042a031f},
608 {0x80028, 0x0086034a},
609 {0x8002C, 0x020c01df},
610 {0x80030, 0x000201ea},
611 {0x80200, 0x00010000},
614 {0x00048, 0x00021807},
615 {0x0004C, 0x091a0a01},
617 {0x00040, 0x00021807},
618 {0x00044, 0x091a0a01},
620 {0x80000, 0x0f013106},
621 {0x80004, 0xc428bb17},
622 {0x8000C, 0x00000000},
623 {0x80010, 0x0a000a00},
624 {0x80014, 0x02800000},
625 {0x80018, 0x01e00000},
626 {0x8001C, 0x00000000},
627 {0x80020, 0x01e00280},
628 {0x80024, 0x02fa027f},
629 {0x80028, 0x004a028b},
630 {0x8002C, 0x020c01df},
631 {0x80030, 0x000201e9},
632 {0x80200, 0x00010000},
633 #endif /* #ifdef CONFIG_FO300 */
637 #endif /* CONFIG_VIDEO_SM501_32BPP */
639 #ifdef CONFIG_CONSOLE_EXTRA_INFO
641 * Return text to be printed besides the logo.
643 void video_get_info_str (int line_number
, char *info
)
645 if (line_number
== 1) {
646 strcpy (info
, " Board: TQM5200 (TQ-Components GmbH)");
647 #if defined (CONFIG_STK52XX) || defined (CONFIG_TB5200) || defined(CONFIG_FO300)
648 } else if (line_number
== 2) {
649 #if defined (CONFIG_STK52XX)
650 strcpy (info
, " on a STK52xx carrier board");
652 #if defined (CONFIG_TB5200)
653 strcpy (info
, " on a TB5200 carrier board");
655 #if defined (CONFIG_FO300)
656 strcpy (info
, " on a FO300 carrier board");
667 * Returns SM501 register base address. First thing called in the
668 * driver. Checks if SM501 is physically present.
670 unsigned int board_video_init (void)
676 * Check for Grafic Controller
679 /* save origianl FB content */
680 save
= *(volatile u16
*)CONFIG_SYS_CS1_START
;
683 /* write test pattern to FB memory */
684 *(volatile u16
*)CONFIG_SYS_CS1_START
= 0xA5A5;
685 __asm__
volatile ("sync");
687 * Put a different pattern on the data lines: otherwise they may float
688 * long enough to read back what we wrote.
690 tmp
= *(volatile u16
*)CONFIG_SYS_FLASH_BASE
;
692 puts ("!! possible error in grafic controller detection\n");
694 if (*(volatile u16
*)CONFIG_SYS_CS1_START
!= 0xA5A5) {
695 /* no grafic controller found */
699 ret
= SM501_MMIO_BASE
;
703 *(volatile u16
*)CONFIG_SYS_CS1_START
= save
;
704 __asm__
volatile ("sync");
710 * Returns SM501 framebuffer address
712 unsigned int board_video_get_fb (void)
714 return SM501_FB_BASE
;
718 * Called after initializing the SM501 and before clearing the screen.
720 void board_validate_screen (unsigned int base
)
725 * Return a pointer to the initialization sequence.
727 const SMI_REGS
*board_get_regs (void)
732 int board_get_width (void)
734 return DISPLAY_WIDTH
;
737 int board_get_height (void)
739 return DISPLAY_HEIGHT
;
742 #endif /* CONFIG_VIDEO_SM501 */
744 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
745 void ft_board_setup(void *blob
, bd_t
*bd
)
747 ft_cpu_setup(blob
, bd
);
749 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
751 int board_eth_init(bd_t
*bis
)
753 cpu_eth_init(bis
); /* Built in FEC comes first */
754 return pci_eth_init(bis
);