2 * (C) Copyright 2003-2004
8 * (C) Copyright 2004-2005
14 * See file CREDITS for list of people who contributed to this
17 * This program is free software; you can redistribute it and/or
18 * modify it under the terms of the GNU General Public License as
19 * published by the Free Software Foundation; either version 2 of
20 * the License, or (at your option) any later version.
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software
29 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
38 #ifdef CONFIG_VIDEO_SM501
42 #if defined(CONFIG_MPC5200_DDR)
43 #include "mt46v16m16-75.h"
45 #include "mt48lc16m16a2-75.h"
48 #ifdef CONFIG_RTC_MPC5200
53 void ps2mult_early_init(void);
56 #ifndef CONFIG_SYS_RAMBOOT
57 static void sdram_start (int hi_addr)
59 long hi_addr_bit = hi_addr ? 0x01000000 : 0;
61 /* unlock mode register */
62 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 |
64 __asm__ volatile ("sync");
66 /* precharge all banks */
67 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 |
69 __asm__ volatile ("sync");
72 /* set mode register: extended mode */
73 *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_EMODE;
74 __asm__ volatile ("sync");
76 /* set mode register: reset DLL */
77 *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000;
78 __asm__ volatile ("sync");
81 /* precharge all banks */
82 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 |
84 __asm__ volatile ("sync");
87 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 |
89 __asm__ volatile ("sync");
91 /* set mode register */
92 *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE;
93 __asm__ volatile ("sync");
95 /* normal operation */
96 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit;
97 __asm__ volatile ("sync");
102 * ATTENTION: Although partially referenced initdram does NOT make real use
103 * use of CONFIG_SYS_SDRAM_BASE. The code does not work if CONFIG_SYS_SDRAM_BASE
104 * is something else than 0x00000000.
107 #if defined(CONFIG_MPC5200)
108 phys_size_t initdram (int board_type)
112 #ifndef CONFIG_SYS_RAMBOOT
115 /* setup SDRAM chip selects */
116 *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001c; /* 512MB at 0x0 */
117 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x40000000; /* disabled */
118 __asm__ volatile ("sync");
120 /* setup config registers */
121 *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
122 *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
123 __asm__ volatile ("sync");
127 *(vu_long *)MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY;
128 __asm__ volatile ("sync");
131 /* find RAM size using SDRAM CS0 only */
133 test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x20000000);
135 test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x20000000);
143 /* memory smaller than 1MB is impossible */
144 if (dramsize < (1 << 20)) {
148 /* set SDRAM CS0 size according to the amount of RAM found */
150 *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 +
151 __builtin_ffs(dramsize >> 20) - 1;
153 *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */
156 /* let SDRAM CS1 start right after CS0 */
157 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001c; /* 512MB */
159 /* find RAM size using SDRAM CS1 only */
161 test1 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), 0x20000000);
163 test2 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), 0x20000000);
171 /* memory smaller than 1MB is impossible */
172 if (dramsize2 < (1 << 20)) {
176 /* set SDRAM CS1 size according to the amount of RAM found */
178 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize
179 | (0x13 + __builtin_ffs(dramsize2 >> 20) - 1);
181 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
184 #else /* CONFIG_SYS_RAMBOOT */
186 /* retrieve size of memory connected to SDRAM CS0 */
187 dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF;
188 if (dramsize >= 0x13) {
189 dramsize = (1 << (dramsize - 0x13)) << 20;
194 /* retrieve size of memory connected to SDRAM CS1 */
195 dramsize2 = *(vu_long *)MPC5XXX_SDRAM_CS1CFG & 0xFF;
196 if (dramsize2 >= 0x13) {
197 dramsize2 = (1 << (dramsize2 - 0x13)) << 20;
202 #endif /* CONFIG_SYS_RAMBOOT */
207 #elif defined(CONFIG_MGT5100)
209 phys_size_t initdram (int board_type)
212 #ifndef CONFIG_SYS_RAMBOOT
215 /* setup and enable SDRAM chip selects */
216 *(vu_long *)MPC5XXX_SDRAM_START = 0x00000000;
217 *(vu_long *)MPC5XXX_SDRAM_STOP = 0x0000ffff; /* 2G */
218 *(vu_long *)MPC5XXX_ADDECR |= (1 << 22); /* Enable SDRAM */
219 __asm__ volatile ("sync");
221 /* setup config registers */
222 *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
223 *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
225 /* address select register */
226 *(vu_long *)MPC5XXX_SDRAM_XLBSEL = SDRAM_ADDRSEL;
227 __asm__ volatile ("sync");
231 test1 = get_ram_size((ulong *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
233 test2 = get_ram_size((ulong *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
241 /* set SDRAM end address according to size */
242 *(vu_long *)MPC5XXX_SDRAM_STOP = ((dramsize - 1) >> 15);
244 #else /* CONFIG_SYS_RAMBOOT */
246 /* Retrieve amount of SDRAM available */
247 dramsize = ((*(vu_long *)MPC5XXX_SDRAM_STOP + 1) << 15);
249 #endif /* CONFIG_SYS_RAMBOOT */
255 #error Neither CONFIG_MPC5200 or CONFIG_MGT5100 defined
258 int checkboard (void)
260 #if defined (CONFIG_TQM5200)
261 puts ("Board: TQM5200 (TQ-Components GmbH)\n");
264 #if defined (CONFIG_BC3450)
265 puts ("Dev: GERSYS BC3450\n");
271 void flash_preinit(void)
274 * Now, when we are in RAM, enable flash write
275 * access for detection process.
276 * Note that CS_BOOT cannot be cleared when
277 * executing in flash.
279 #if defined(CONFIG_MGT5100)
280 *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 25); /* disable CS_BOOT */
281 *(vu_long *)MPC5XXX_ADDECR |= (1 << 16); /* enable CS0 */
283 *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
288 static struct pci_controller hose;
290 extern void pci_mpc5xxx_init(struct pci_controller *);
292 void pci_init_board(void)
294 pci_mpc5xxx_init(&hose);
298 #if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET)
300 void init_ide_reset (void)
302 debug ("init_ide_reset\n");
304 /* Configure PSC1_4 as GPIO output for ATA reset */
305 *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4;
306 *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4;
309 void ide_set_reset (int idereset)
311 debug ("ide_reset(%d)\n", idereset);
314 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_PSC1_4;
316 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4;
323 * Reads GPIO pin PSC6_3. A keypress is reported, if PSC6_3 is low. If PSC6_3
324 * is left open, no keypress is detected.
326 int post_hotkeys_pressed(void)
328 struct mpc5xxx_gpio *gpio;
330 gpio = (struct mpc5xxx_gpio*) MPC5XXX_GPIO;
333 * Configure PSC6_1 and PSC6_3 as GPIO. PSC6 then couldn't be used in
334 * CODEC or UART mode. Consumer IrDA should still be possible.
336 gpio->port_config &= ~(0x07000000);
337 gpio->port_config |= 0x03000000;
339 /* Enable GPIO for GPIO_IRDA_1 (IR_USB_CLK pin) = PSC6_3 */
340 gpio->simple_gpioe |= 0x20000000;
342 /* Configure GPIO_IRDA_1 as input */
343 gpio->simple_ddr &= ~(0x20000000);
345 return ((gpio->simple_ival & 0x20000000) ? 0 : 1);
349 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
351 void post_word_store (ulong a)
353 volatile ulong *save_addr =
354 (volatile ulong *)(MPC5XXX_SRAM + MPC5XXX_SRAM_POST_SIZE);
359 ulong post_word_load (void)
361 volatile ulong *save_addr =
362 (volatile ulong *)(MPC5XXX_SRAM + MPC5XXX_SRAM_POST_SIZE);
366 #endif /* CONFIG_POST || CONFIG_LOGBUFFER*/
369 #ifdef CONFIG_BOARD_EARLY_INIT_R
370 int board_early_init_r (void)
372 #ifdef CONFIG_RTC_MPC5200
375 /* set to Wed Dec 31 19:00:00 1969 */
376 t.tm_sec = t.tm_min = 0;
384 #endif /* CONFIG_RTC_MPC5200 */
386 #ifdef CONFIG_PS2MULT
387 ps2mult_early_init();
388 #endif /* CONFIG_PS2MULT */
391 #endif /* CONFIG_BOARD_EARLY_INIT_R */
394 int last_stage_init (void)
397 * auto scan for really existing devices and re-set chip select
404 * Check for SRAM and SRAM size
407 /* save original SRAM content */
408 save = *(volatile u16 *)CONFIG_SYS_CS2_START;
411 /* write test pattern to SRAM */
412 *(volatile u16 *)CONFIG_SYS_CS2_START = 0xA5A5;
413 __asm__ volatile ("sync");
415 * Put a different pattern on the data lines: otherwise they may float
416 * long enough to read back what we wrote.
418 tmp = *(volatile u16 *)CONFIG_SYS_FLASH_BASE;
420 puts ("!! possible error in SRAM detection\n");
422 if (*(volatile u16 *)CONFIG_SYS_CS2_START != 0xA5A5) {
423 /* no SRAM at all, disable cs */
424 *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 18);
425 *(vu_long *)MPC5XXX_CS2_START = 0x0000FFFF;
426 *(vu_long *)MPC5XXX_CS2_STOP = 0x0000FFFF;
428 __asm__ volatile ("sync");
429 } else if (*(volatile u16 *)(CONFIG_SYS_CS2_START + (1<<19)) == 0xA5A5) {
430 /* make sure that we access a mirrored address */
431 *(volatile u16 *)CONFIG_SYS_CS2_START = 0x1111;
432 __asm__ volatile ("sync");
433 if (*(volatile u16 *)(CONFIG_SYS_CS2_START + (1<<19)) == 0x1111) {
434 /* SRAM size = 512 kByte */
435 *(vu_long *)MPC5XXX_CS2_STOP = STOP_REG(CONFIG_SYS_CS2_START,
437 __asm__ volatile ("sync");
438 puts ("SRAM: 512 kB\n");
441 puts ("!! possible error in SRAM detection\n");
443 puts ("SRAM: 1 MB\n");
445 /* restore origianl SRAM content */
447 *(volatile u16 *)CONFIG_SYS_CS2_START = save;
448 __asm__ volatile ("sync");
452 * Check for Grafic Controller
455 /* save origianl FB content */
456 save = *(volatile u16 *)CONFIG_SYS_CS1_START;
459 /* write test pattern to FB memory */
460 *(volatile u16 *)CONFIG_SYS_CS1_START = 0xA5A5;
461 __asm__ volatile ("sync");
463 * Put a different pattern on the data lines: otherwise they may float
464 * long enough to read back what we wrote.
466 tmp = *(volatile u16 *)CONFIG_SYS_FLASH_BASE;
468 puts ("!! possible error in grafic controller detection\n");
470 if (*(volatile u16 *)CONFIG_SYS_CS1_START != 0xA5A5) {
471 /* no grafic controller at all, disable cs */
472 *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 17);
473 *(vu_long *)MPC5XXX_CS1_START = 0x0000FFFF;
474 *(vu_long *)MPC5XXX_CS1_STOP = 0x0000FFFF;
476 __asm__ volatile ("sync");
478 puts ("VGA: SMI501 (Voyager) with 8 MB\n");
480 /* restore origianl FB content */
482 *(volatile u16 *)CONFIG_SYS_CS1_START = save;
483 __asm__ volatile ("sync");
489 #ifdef CONFIG_VIDEO_SM501
491 #define DISPLAY_WIDTH 640
492 #define DISPLAY_HEIGHT 480
494 #ifdef CONFIG_VIDEO_SM501_8BPP
495 #error CONFIG_VIDEO_SM501_8BPP not supported.
496 #endif /* CONFIG_VIDEO_SM501_8BPP */
498 #ifdef CONFIG_VIDEO_SM501_16BPP
499 #error CONFIG_VIDEO_SM501_16BPP not supported.
500 #endif /* CONFIG_VIDEO_SM501_16BPP */
502 #ifdef CONFIG_VIDEO_SM501_32BPP
503 static const SMI_REGS init_regs [] =
505 #if defined (CONFIG_BC3450_FP) && !defined (CONFIG_BC3450_CRT)
508 {0x00048, 0x00021807},
509 {0x0004C, 0x091a0a01},
511 {0x00040, 0x00021807},
512 {0x00044, 0x091a0a01},
514 {0x80000, 0x01013106},
515 {0x80004, 0xc428bb17},
516 {0x80000, 0x03013106},
517 {0x8000C, 0x00000000},
518 {0x80010, 0x0a000a00},
519 {0x80014, 0x02800000},
520 {0x80018, 0x01e00000},
521 {0x8001C, 0x00000000},
522 {0x80020, 0x01e00280},
523 {0x80024, 0x02fa027f},
524 {0x80028, 0x004a028b},
525 {0x8002C, 0x020c01df},
526 {0x80030, 0x000201e9},
527 {0x80200, 0x00010200},
528 {0x80000, 0x0f013106},
529 #elif defined (CONFIG_BC3450_CRT) && !defined (CONFIG_BC3450_FP)
532 {0x00048, 0x00021807},
533 {0x0004C, 0x10090a01},
535 {0x00040, 0x00021807},
536 {0x00044, 0x10090a01},
538 {0x80200, 0x00010000},
540 {0x80208, 0x0A000A00},
541 {0x8020C, 0x02fa027f},
542 {0x80210, 0x004a028b},
543 {0x80214, 0x020c01df},
544 {0x80218, 0x000201e9},
545 {0x80200, 0x00013306},
546 #else /* panel + CRT */
548 {0x00048, 0x00021807},
549 {0x0004C, 0x091a0a01},
551 {0x00040, 0x00021807},
552 {0x00044, 0x091a0a01},
554 {0x80000, 0x0f013106},
555 {0x80004, 0xc428bb17},
556 {0x8000C, 0x00000000},
557 {0x80010, 0x0a000a00},
558 {0x80014, 0x02800000},
559 {0x80018, 0x01e00000},
560 {0x8001C, 0x00000000},
561 {0x80020, 0x01e00280},
562 {0x80024, 0x02fa027f},
563 {0x80028, 0x004a028b},
564 {0x8002C, 0x020c01df},
565 {0x80030, 0x000201e9},
566 {0x80200, 0x00010000},
570 #endif /* CONFIG_VIDEO_SM501_32BPP */
572 #ifdef CONFIG_CONSOLE_EXTRA_INFO
574 * Return text to be printed besides the logo.
576 void video_get_info_str (int line_number, char *info)
578 if (line_number == 1) {
579 #if defined (CONFIG_TQM5200)
580 strcpy (info, " Board: TQM5200 (TQ-Components GmbH)");
582 #error No supported board selected
583 #endif /* CONFIG_TQM5200 */
585 #if defined (CONFIG_BC3450)
586 } else if (line_number == 2) {
587 strcpy (info, " Dev: GERSYS BC3450");
588 #endif /* CONFIG_BC3450 */
597 * Returns SM501 register base address. First thing called in the
598 * driver. Checks if SM501 is physically present.
600 unsigned int board_video_init (void)
606 * Check for Grafic Controller
609 /* save origianl FB content */
610 save = *(volatile u16 *)CONFIG_SYS_CS1_START;
613 /* write test pattern to FB memory */
614 *(volatile u16 *)CONFIG_SYS_CS1_START = 0xA5A5;
615 __asm__ volatile ("sync");
617 * Put a different pattern on the data lines: otherwise they may float
618 * long enough to read back what we wrote.
620 tmp = *(volatile u16 *)CONFIG_SYS_FLASH_BASE;
622 puts ("!! possible error in grafic controller detection\n");
624 if (*(volatile u16 *)CONFIG_SYS_CS1_START != 0xA5A5) {
625 /* no grafic controller found */
629 ret = SM501_MMIO_BASE;
633 *(volatile u16 *)CONFIG_SYS_CS1_START = save;
634 __asm__ volatile ("sync");
640 * Returns SM501 framebuffer address
642 unsigned int board_video_get_fb (void)
644 return SM501_FB_BASE;
648 * Called after initializing the SM501 and before clearing the screen.
650 void board_validate_screen (unsigned int base)
655 * Return a pointer to the initialization sequence.
657 const SMI_REGS *board_get_regs (void)
662 int board_get_width (void)
664 return DISPLAY_WIDTH;
667 int board_get_height (void)
669 return DISPLAY_HEIGHT;
672 #endif /* CONFIG_VIDEO_SM501 */
674 int board_eth_init(bd_t *bis)
676 cpu_eth_init(bis); /* Built in FEC comes first */
677 return pci_eth_init(bis);