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wdenk56523f12004-07-11 17:40:54 +00001/*
Wolfgang Denk45a212c2006-07-19 17:52:30 +02002 * (C) Copyright 2003-2006
wdenk56523f12004-07-11 17:40:54 +00003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * (C) Copyright 2004
6 * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
7 *
Wolfgang Denk45a212c2006-07-19 17:52:30 +02008 * (C) Copyright 2004-2006
wdenk56523f12004-07-11 17:40:54 +00009 * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de
10 *
11 * See file CREDITS for list of people who contributed to this
12 * project.
13 *
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.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wdenk81050922004-07-11 20:04:51 +000021 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wdenk56523f12004-07-11 17:40:54 +000022 * GNU General Public License for more details.
23 *
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,
27 * MA 02111-1307 USA
28 */
29
30#include <common.h>
31#include <mpc5xxx.h>
32#include <pci.h>
Wolfgang Denk45a212c2006-07-19 17:52:30 +020033#include <asm/processor.h>
Grant Likelycf2817a2007-09-06 09:46:23 -060034#include <libfdt.h>
Bartlomiej Sieka8f8416f2007-06-08 14:52:22 +020035
wdenk8f0b7cb2005-03-27 23:41:39 +000036#ifdef CONFIG_VIDEO_SM501
37#include <sm501.h>
38#endif
39
wdenk56523f12004-07-11 17:40:54 +000040#if defined(CONFIG_MPC5200_DDR)
41#include "mt46v16m16-75.h"
42#else
43#include "mt48lc16m16a2-75.h"
44#endif
wdenk8f0b7cb2005-03-27 23:41:39 +000045
Martin Krausec313b2c2008-02-25 17:52:40 +010046#ifdef CONFIG_OF_LIBFDT
47#include <fdt_support.h>
48#endif /* CONFIG_OF_LIBFDT */
49
Wolfgang Denk1218abf2007-09-15 20:48:41 +020050DECLARE_GLOBAL_DATA_PTR;
51
wdenk7e6bf352004-12-12 22:06:17 +000052#ifdef CONFIG_PS2MULT
53void ps2mult_early_init(void);
54#endif
wdenk56523f12004-07-11 17:40:54 +000055
56#ifndef CFG_RAMBOOT
57static void sdram_start (int hi_addr)
58{
59 long hi_addr_bit = hi_addr ? 0x01000000 : 0;
60
61 /* unlock mode register */
62 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 |
63 hi_addr_bit;
64 __asm__ volatile ("sync");
65
66 /* precharge all banks */
67 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 |
68 hi_addr_bit;
69 __asm__ volatile ("sync");
70
71#if SDRAM_DDR
72 /* set mode register: extended mode */
73 *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_EMODE;
74 __asm__ volatile ("sync");
75
76 /* set mode register: reset DLL */
77 *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000;
78 __asm__ volatile ("sync");
79#endif
80
81 /* precharge all banks */
82 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 |
83 hi_addr_bit;
84 __asm__ volatile ("sync");
85
86 /* auto refresh */
87 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 |
88 hi_addr_bit;
89 __asm__ volatile ("sync");
90
91 /* set mode register */
92 *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE;
93 __asm__ volatile ("sync");
94
95 /* normal operation */
96 *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit;
97 __asm__ volatile ("sync");
98}
99#endif
100
101/*
102 * ATTENTION: Although partially referenced initdram does NOT make real use
wdenk81050922004-07-11 20:04:51 +0000103 * use of CFG_SDRAM_BASE. The code does not work if CFG_SDRAM_BASE
104 * is something else than 0x00000000.
wdenk56523f12004-07-11 17:40:54 +0000105 */
106
Becky Bruce9973e3c2008-06-09 16:03:40 -0500107phys_size_t initdram (int board_type)
wdenk56523f12004-07-11 17:40:54 +0000108{
109 ulong dramsize = 0;
110 ulong dramsize2 = 0;
Wolfgang Denk45a212c2006-07-19 17:52:30 +0200111 uint svr, pvr;
112
wdenk56523f12004-07-11 17:40:54 +0000113#ifndef CFG_RAMBOOT
114 ulong test1, test2;
115
116 /* setup SDRAM chip selects */
117 *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001c; /* 512MB at 0x0 */
118 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x40000000; /* disabled */
119 __asm__ volatile ("sync");
120
121 /* setup config registers */
122 *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
123 *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
124 __asm__ volatile ("sync");
125
126#if SDRAM_DDR
127 /* set tap delay */
128 *(vu_long *)MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY;
129 __asm__ volatile ("sync");
130#endif
131
132 /* find RAM size using SDRAM CS0 only */
133 sdram_start(0);
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200134 test1 = get_ram_size((long *)CFG_SDRAM_BASE, 0x20000000);
wdenk56523f12004-07-11 17:40:54 +0000135 sdram_start(1);
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200136 test2 = get_ram_size((long *)CFG_SDRAM_BASE, 0x20000000);
wdenk56523f12004-07-11 17:40:54 +0000137 if (test1 > test2) {
138 sdram_start(0);
139 dramsize = test1;
140 } else {
141 dramsize = test2;
142 }
143
144 /* memory smaller than 1MB is impossible */
145 if (dramsize < (1 << 20)) {
146 dramsize = 0;
147 }
148
149 /* set SDRAM CS0 size according to the amount of RAM found */
150 if (dramsize > 0) {
151 *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 +
152 __builtin_ffs(dramsize >> 20) - 1;
153 } else {
154 *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */
155 }
156
157 /* let SDRAM CS1 start right after CS0 */
158 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001c; /* 512MB */
159
160 /* find RAM size using SDRAM CS1 only */
Martin Krausef3a329a2008-02-25 13:27:52 +0100161 if (!dramsize)
162 sdram_start(0);
163 test2 = test1 = get_ram_size((long *)(CFG_SDRAM_BASE + dramsize), 0x20000000);
164 if (!dramsize) {
165 sdram_start(1);
166 test2 = get_ram_size((long *)(CFG_SDRAM_BASE + dramsize), 0x20000000);
167 }
wdenk56523f12004-07-11 17:40:54 +0000168 if (test1 > test2) {
169 sdram_start(0);
170 dramsize2 = test1;
171 } else {
172 dramsize2 = test2;
173 }
174
175 /* memory smaller than 1MB is impossible */
176 if (dramsize2 < (1 << 20)) {
177 dramsize2 = 0;
178 }
179
180 /* set SDRAM CS1 size according to the amount of RAM found */
181 if (dramsize2 > 0) {
182 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize
183 | (0x13 + __builtin_ffs(dramsize2 >> 20) - 1);
184 } else {
185 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
186 }
187
188#else /* CFG_RAMBOOT */
189
190 /* retrieve size of memory connected to SDRAM CS0 */
191 dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF;
192 if (dramsize >= 0x13) {
193 dramsize = (1 << (dramsize - 0x13)) << 20;
194 } else {
195 dramsize = 0;
196 }
197
198 /* retrieve size of memory connected to SDRAM CS1 */
199 dramsize2 = *(vu_long *)MPC5XXX_SDRAM_CS1CFG & 0xFF;
200 if (dramsize2 >= 0x13) {
201 dramsize2 = (1 << (dramsize2 - 0x13)) << 20;
202 } else {
203 dramsize2 = 0;
204 }
wdenk56523f12004-07-11 17:40:54 +0000205#endif /* CFG_RAMBOOT */
206
Wolfgang Denk45a212c2006-07-19 17:52:30 +0200207 /*
208 * On MPC5200B we need to set the special configuration delay in the
209 * DDR controller. Please refer to Freescale's AN3221 "MPC5200B SDRAM
210 * Initialization and Configuration", 3.3.1 SDelay--MBAR + 0x0190:
211 *
212 * "The SDelay should be written to a value of 0x00000004. It is
213 * required to account for changes caused by normal wafer processing
214 * parameters."
215 */
216 svr = get_svr();
217 pvr = get_pvr();
218 if ((SVR_MJREV(svr) >= 2) &&
219 (PVR_MAJ(pvr) == 1) && (PVR_MIN(pvr) == 4)) {
220
221 *(vu_long *)MPC5XXX_SDRAM_SDELAY = 0x04;
222 __asm__ volatile ("sync");
223 }
224
225#if defined(CONFIG_TQM5200_B)
226 return dramsize + dramsize2;
227#else
wdenk56523f12004-07-11 17:40:54 +0000228 return dramsize;
Wolfgang Denk45a212c2006-07-19 17:52:30 +0200229#endif /* CONFIG_TQM5200_B */
wdenk56523f12004-07-11 17:40:54 +0000230}
231
wdenk56523f12004-07-11 17:40:54 +0000232int checkboard (void)
233{
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200234#if defined(CONFIG_AEVFIFO)
Wolfgang Denk8f79e4c2005-08-10 15:14:32 +0200235 puts ("Board: AEVFIFO\n");
236 return 0;
237#endif
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200238
239#if defined(CONFIG_TQM5200S)
240# define MODULE_NAME "TQM5200S"
Wolfgang Denk45a212c2006-07-19 17:52:30 +0200241#else
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200242# define MODULE_NAME "TQM5200"
wdenk56523f12004-07-11 17:40:54 +0000243#endif
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200244
245#if defined(CONFIG_STK52XX)
246# define CARRIER_NAME "STK52xx"
247#elif defined(CONFIG_TB5200)
248# define CARRIER_NAME "TB5200"
Wolfgang Denk135ae002006-07-22 01:20:03 +0200249#elif defined(CONFIG_CAM5200)
Wolfgang Denk78d620e2006-11-23 22:58:58 +0100250# define CARRIER_NAME "CAM5200"
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200251#elif defined(CONFIG_FO300)
252# define CARRIER_NAME "FO300"
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200253#else
Wolfgang Denk5196a7a2006-08-18 23:27:33 +0200254# error "UNKNOWN"
wdenk7e6bf352004-12-12 22:06:17 +0000255#endif
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200256
257 puts ( "Board: " MODULE_NAME " (TQ-Components GmbH)\n"
258 " on a " CARRIER_NAME " carrier board\n");
wdenk7e6bf352004-12-12 22:06:17 +0000259
wdenk56523f12004-07-11 17:40:54 +0000260 return 0;
261}
262
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200263#undef MODULE_NAME
264#undef CARRIER_NAME
265
wdenk56523f12004-07-11 17:40:54 +0000266void flash_preinit(void)
267{
268 /*
269 * Now, when we are in RAM, enable flash write
270 * access for detection process.
271 * Note that CS_BOOT cannot be cleared when
272 * executing in flash.
273 */
wdenk56523f12004-07-11 17:40:54 +0000274 *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
275}
276
277
278#ifdef CONFIG_PCI
279static struct pci_controller hose;
280
281extern void pci_mpc5xxx_init(struct pci_controller *);
282
283void pci_init_board(void)
284{
285 pci_mpc5xxx_init(&hose);
286}
287#endif
288
Jon Loeligerd39b5742007-07-10 10:48:22 -0500289#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET)
wdenk56523f12004-07-11 17:40:54 +0000290
291#if defined (CONFIG_MINIFAP)
292#define SM501_POWER_MODE0_GATE 0x00000040UL
293#define SM501_POWER_MODE1_GATE 0x00000048UL
294#define POWER_MODE_GATE_GPIO_PWM_I2C 0x00000040UL
295#define SM501_GPIO_DATA_DIR_HIGH 0x0001000CUL
296#define SM501_GPIO_DATA_HIGH 0x00010004UL
297#define SM501_GPIO_51 0x00080000UL
Bartlomiej Siekadae80f32006-11-01 01:38:16 +0100298#endif /* CONFIG MINIFAP */
wdenk56523f12004-07-11 17:40:54 +0000299
300void init_ide_reset (void)
301{
302 debug ("init_ide_reset\n");
303
304#if defined (CONFIG_MINIFAP)
305 /* Configure GPIO_51 of the SM501 grafic controller as ATA reset */
306
307 /* enable GPIO control (in both power modes) */
308 *(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE0_GATE) |=
309 POWER_MODE_GATE_GPIO_PWM_I2C;
310 *(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE1_GATE) |=
311 POWER_MODE_GATE_GPIO_PWM_I2C;
312 /* configure GPIO51 as output */
313 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_DIR_HIGH) |=
314 SM501_GPIO_51;
315#else
316 /* Configure PSC1_4 as GPIO output for ATA reset */
317 *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4;
318 *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4;
Martin Krause8f2a68a2008-04-03 14:29:01 +0200319
320 /* by default the ATA reset is de-asserted */
321 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4;
wdenk56523f12004-07-11 17:40:54 +0000322#endif
323}
324
325void ide_set_reset (int idereset)
326{
327 debug ("ide_reset(%d)\n", idereset);
328
329#if defined (CONFIG_MINIFAP)
330 if (idereset) {
331 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
332 ~SM501_GPIO_51;
333 } else {
334 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
335 SM501_GPIO_51;
336 }
337#else
338 if (idereset) {
Bartlomiej Siekadae80f32006-11-01 01:38:16 +0100339 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_PSC1_4;
wdenk56523f12004-07-11 17:40:54 +0000340 } else {
Bartlomiej Siekadae80f32006-11-01 01:38:16 +0100341 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4;
wdenk56523f12004-07-11 17:40:54 +0000342 }
343#endif
344}
Jon Loeligerd39b5742007-07-10 10:48:22 -0500345#endif
wdenk56523f12004-07-11 17:40:54 +0000346
347#ifdef CONFIG_POST
348/*
349 * Reads GPIO pin PSC6_3. A keypress is reported, if PSC6_3 is low. If PSC6_3
350 * is left open, no keypress is detected.
351 */
352int post_hotkeys_pressed(void)
353{
Wolfgang Denk1d92b2e2006-10-09 01:07:53 +0200354#ifdef CONFIG_STK52XX
wdenk56523f12004-07-11 17:40:54 +0000355 struct mpc5xxx_gpio *gpio;
356
357 gpio = (struct mpc5xxx_gpio*) MPC5XXX_GPIO;
358
359 /*
360 * Configure PSC6_1 and PSC6_3 as GPIO. PSC6 then couldn't be used in
361 * CODEC or UART mode. Consumer IrDA should still be possible.
wdenk81050922004-07-11 20:04:51 +0000362 */
wdenk56523f12004-07-11 17:40:54 +0000363 gpio->port_config &= ~(0x07000000);
364 gpio->port_config |= 0x03000000;
365
366 /* Enable GPIO for GPIO_IRDA_1 (IR_USB_CLK pin) = PSC6_3 */
367 gpio->simple_gpioe |= 0x20000000;
368
369 /* Configure GPIO_IRDA_1 as input */
370 gpio->simple_ddr &= ~(0x20000000);
371
372 return ((gpio->simple_ival & 0x20000000) ? 0 : 1);
Wolfgang Denk1d92b2e2006-10-09 01:07:53 +0200373#else
374 return 0;
375#endif
wdenk56523f12004-07-11 17:40:54 +0000376}
377#endif
378
379#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
380
381void post_word_store (ulong a)
382{
383 volatile ulong *save_addr =
384 (volatile ulong *)(MPC5XXX_SRAM + MPC5XXX_SRAM_POST_SIZE);
385
386 *save_addr = a;
387}
388
389ulong post_word_load (void)
390{
391 volatile ulong *save_addr =
392 (volatile ulong *)(MPC5XXX_SRAM + MPC5XXX_SRAM_POST_SIZE);
393
394 return *save_addr;
395}
wdenk56523f12004-07-11 17:40:54 +0000396#endif /* CONFIG_POST || CONFIG_LOGBUFFER*/
wdenk7e6bf352004-12-12 22:06:17 +0000397
wdenk7e6bf352004-12-12 22:06:17 +0000398#ifdef CONFIG_BOARD_EARLY_INIT_R
399int board_early_init_r (void)
400{
Markus Klotzbuecher6a40ef62008-01-09 13:57:10 +0100401
Wolfgang Denk409ecdc2007-11-18 16:36:27 +0100402 extern int usb_cpu_init(void);
403
Marian Balakowicz245a3622007-10-24 01:37:36 +0200404#ifdef CONFIG_PS2MULT
wdenk7e6bf352004-12-12 22:06:17 +0000405 ps2mult_early_init();
Marian Balakowicz245a3622007-10-24 01:37:36 +0200406#endif /* CONFIG_PS2MULT */
407
408#if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT)
409 /* Low level USB init, required for proper kernel operation */
410 usb_cpu_init();
411#endif
412
wdenk7e6bf352004-12-12 22:06:17 +0000413 return (0);
414}
415#endif
wdenk7e6bf352004-12-12 22:06:17 +0000416
Wolfgang Denkaeec7822006-09-13 10:47:05 +0200417#ifdef CONFIG_FO300
418int silent_boot (void)
419{
420 vu_long timer3_status;
421
422 /* Configure GPT3 as GPIO input */
423 *(vu_long *)MPC5XXX_GPT3_ENABLE = 0x00000004;
424
425 /* Read in TIMER_3 pin status */
426 timer3_status = *(vu_long *)MPC5XXX_GPT3_STATUS;
427
428#ifdef FO300_SILENT_CONSOLE_WHEN_S1_CLOSED
429 /* Force silent console mode if S1 switch
430 * is in closed position (TIMER_3 pin status is LOW). */
431 if (MPC5XXX_GPT_GPIO_PIN(timer3_status) == 0)
432 return 1;
433#else
434 /* Force silent console mode if S1 switch
435 * is in open position (TIMER_3 pin status is HIGH). */
436 if (MPC5XXX_GPT_GPIO_PIN(timer3_status) == 1)
437 return 1;
438#endif
439
440 return 0;
441}
442
443int board_early_init_f (void)
444{
Wolfgang Denkaeec7822006-09-13 10:47:05 +0200445 if (silent_boot())
446 gd->flags |= GD_FLG_SILENT;
447
448 return 0;
449}
450#endif /* CONFIG_FO300 */
451
wdenk7e6bf352004-12-12 22:06:17 +0000452int last_stage_init (void)
453{
454 /*
455 * auto scan for really existing devices and re-set chip select
456 * configuration.
457 */
458 u16 save, tmp;
459 int restore;
460
461 /*
462 * Check for SRAM and SRAM size
463 */
464
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200465 /* save original SRAM content */
wdenk7e6bf352004-12-12 22:06:17 +0000466 save = *(volatile u16 *)CFG_CS2_START;
467 restore = 1;
wdenkefe2a4d2004-12-16 21:44:03 +0000468
wdenk7e6bf352004-12-12 22:06:17 +0000469 /* write test pattern to SRAM */
470 *(volatile u16 *)CFG_CS2_START = 0xA5A5;
471 __asm__ volatile ("sync");
472 /*
473 * Put a different pattern on the data lines: otherwise they may float
474 * long enough to read back what we wrote.
475 */
476 tmp = *(volatile u16 *)CFG_FLASH_BASE;
477 if (tmp == 0xA5A5)
478 puts ("!! possible error in SRAM detection\n");
wdenkefe2a4d2004-12-16 21:44:03 +0000479
wdenk7e6bf352004-12-12 22:06:17 +0000480 if (*(volatile u16 *)CFG_CS2_START != 0xA5A5) {
481 /* no SRAM at all, disable cs */
482 *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 18);
483 *(vu_long *)MPC5XXX_CS2_START = 0x0000FFFF;
484 *(vu_long *)MPC5XXX_CS2_STOP = 0x0000FFFF;
485 restore = 0;
486 __asm__ volatile ("sync");
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200487 } else if (*(volatile u16 *)(CFG_CS2_START + (1<<19)) == 0xA5A5) {
wdenk7e6bf352004-12-12 22:06:17 +0000488 /* make sure that we access a mirrored address */
489 *(volatile u16 *)CFG_CS2_START = 0x1111;
490 __asm__ volatile ("sync");
491 if (*(volatile u16 *)(CFG_CS2_START + (1<<19)) == 0x1111) {
492 /* SRAM size = 512 kByte */
wdenkefe2a4d2004-12-16 21:44:03 +0000493 *(vu_long *)MPC5XXX_CS2_STOP = STOP_REG(CFG_CS2_START,
wdenk7e6bf352004-12-12 22:06:17 +0000494 0x80000);
495 __asm__ volatile ("sync");
496 puts ("SRAM: 512 kB\n");
497 }
498 else
wdenkefe2a4d2004-12-16 21:44:03 +0000499 puts ("!! possible error in SRAM detection\n");
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200500 } else {
wdenkefe2a4d2004-12-16 21:44:03 +0000501 puts ("SRAM: 1 MB\n");
wdenk7e6bf352004-12-12 22:06:17 +0000502 }
503 /* restore origianl SRAM content */
504 if (restore) {
505 *(volatile u16 *)CFG_CS2_START = save;
506 __asm__ volatile ("sync");
507 }
wdenkefe2a4d2004-12-16 21:44:03 +0000508
Martin Krause0fc0f912007-10-22 16:40:06 +0200509#ifndef CONFIG_TQM5200S /* The TQM5200S has no SM501 grafic controller */
wdenkefe2a4d2004-12-16 21:44:03 +0000510 /*
wdenk7e6bf352004-12-12 22:06:17 +0000511 * Check for Grafic Controller
512 */
513
514 /* save origianl FB content */
515 save = *(volatile u16 *)CFG_CS1_START;
516 restore = 1;
wdenkefe2a4d2004-12-16 21:44:03 +0000517
wdenk7e6bf352004-12-12 22:06:17 +0000518 /* write test pattern to FB memory */
519 *(volatile u16 *)CFG_CS1_START = 0xA5A5;
520 __asm__ volatile ("sync");
521 /*
522 * Put a different pattern on the data lines: otherwise they may float
523 * long enough to read back what we wrote.
524 */
525 tmp = *(volatile u16 *)CFG_FLASH_BASE;
526 if (tmp == 0xA5A5)
527 puts ("!! possible error in grafic controller detection\n");
wdenkefe2a4d2004-12-16 21:44:03 +0000528
wdenk7e6bf352004-12-12 22:06:17 +0000529 if (*(volatile u16 *)CFG_CS1_START != 0xA5A5) {
530 /* no grafic controller at all, disable cs */
531 *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 17);
532 *(vu_long *)MPC5XXX_CS1_START = 0x0000FFFF;
533 *(vu_long *)MPC5XXX_CS1_STOP = 0x0000FFFF;
534 restore = 0;
535 __asm__ volatile ("sync");
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200536 } else {
wdenkefe2a4d2004-12-16 21:44:03 +0000537 puts ("VGA: SMI501 (Voyager) with 8 MB\n");
wdenk7e6bf352004-12-12 22:06:17 +0000538 }
539 /* restore origianl FB content */
540 if (restore) {
541 *(volatile u16 *)CFG_CS1_START = save;
542 __asm__ volatile ("sync");
543 }
wdenkefe2a4d2004-12-16 21:44:03 +0000544
Wolfgang Denkaeec7822006-09-13 10:47:05 +0200545#ifdef CONFIG_FO300
546 if (silent_boot()) {
547 setenv("bootdelay", "0");
548 disable_ctrlc(1);
549 }
550#endif
Wolfgang Denk409ecdc2007-11-18 16:36:27 +0100551#endif /* !CONFIG_TQM5200S */
Wolfgang Denkaeec7822006-09-13 10:47:05 +0200552
wdenk7e6bf352004-12-12 22:06:17 +0000553 return 0;
554}
wdenk8f0b7cb2005-03-27 23:41:39 +0000555
556#ifdef CONFIG_VIDEO_SM501
557
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200558#ifdef CONFIG_FO300
559#define DISPLAY_WIDTH 800
560#else
wdenk8f0b7cb2005-03-27 23:41:39 +0000561#define DISPLAY_WIDTH 640
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200562#endif
wdenk8f0b7cb2005-03-27 23:41:39 +0000563#define DISPLAY_HEIGHT 480
564
565#ifdef CONFIG_VIDEO_SM501_8BPP
566#error CONFIG_VIDEO_SM501_8BPP not supported.
567#endif /* CONFIG_VIDEO_SM501_8BPP */
568
569#ifdef CONFIG_VIDEO_SM501_16BPP
570#error CONFIG_VIDEO_SM501_16BPP not supported.
571#endif /* CONFIG_VIDEO_SM501_16BPP */
572#ifdef CONFIG_VIDEO_SM501_32BPP
573static const SMI_REGS init_regs [] =
574{
575#if 0 /* CRT only */
576 {0x00004, 0x0},
577 {0x00048, 0x00021807},
578 {0x0004C, 0x10090a01},
579 {0x00054, 0x1},
580 {0x00040, 0x00021807},
581 {0x00044, 0x10090a01},
582 {0x00054, 0x0},
583 {0x80200, 0x00010000},
584 {0x80204, 0x0},
585 {0x80208, 0x0A000A00},
586 {0x8020C, 0x02fa027f},
587 {0x80210, 0x004a028b},
588 {0x80214, 0x020c01df},
589 {0x80218, 0x000201e9},
590 {0x80200, 0x00013306},
591#else /* panel + CRT */
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200592#ifdef CONFIG_FO300
593 {0x00004, 0x0},
594 {0x00048, 0x00021807},
595 {0x0004C, 0x301a0a01},
596 {0x00054, 0x1},
597 {0x00040, 0x00021807},
598 {0x00044, 0x091a0a01},
599 {0x00054, 0x0},
600 {0x80000, 0x0f013106},
601 {0x80004, 0xc428bb17},
602 {0x8000C, 0x00000000},
603 {0x80010, 0x0C800C80},
604 {0x80014, 0x03200000},
605 {0x80018, 0x01e00000},
606 {0x8001C, 0x00000000},
607 {0x80020, 0x01e00320},
608 {0x80024, 0x042a031f},
609 {0x80028, 0x0086034a},
610 {0x8002C, 0x020c01df},
611 {0x80030, 0x000201ea},
612 {0x80200, 0x00010000},
613#else
wdenk8f0b7cb2005-03-27 23:41:39 +0000614 {0x00004, 0x0},
615 {0x00048, 0x00021807},
616 {0x0004C, 0x091a0a01},
617 {0x00054, 0x1},
618 {0x00040, 0x00021807},
619 {0x00044, 0x091a0a01},
620 {0x00054, 0x0},
621 {0x80000, 0x0f013106},
622 {0x80004, 0xc428bb17},
623 {0x8000C, 0x00000000},
624 {0x80010, 0x0a000a00},
625 {0x80014, 0x02800000},
626 {0x80018, 0x01e00000},
627 {0x8001C, 0x00000000},
628 {0x80020, 0x01e00280},
629 {0x80024, 0x02fa027f},
630 {0x80028, 0x004a028b},
631 {0x8002C, 0x020c01df},
632 {0x80030, 0x000201e9},
633 {0x80200, 0x00010000},
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200634#endif /* #ifdef CONFIG_FO300 */
wdenk8f0b7cb2005-03-27 23:41:39 +0000635#endif
636 {0, 0}
637};
638#endif /* CONFIG_VIDEO_SM501_32BPP */
639
640#ifdef CONFIG_CONSOLE_EXTRA_INFO
641/*
642 * Return text to be printed besides the logo.
643 */
644void video_get_info_str (int line_number, char *info)
645{
646 if (line_number == 1) {
Wolfgang Denkcd65a3d2006-06-16 16:11:34 +0200647 strcpy (info, " Board: TQM5200 (TQ-Components GmbH)");
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200648#if defined (CONFIG_STK52XX) || defined (CONFIG_TB5200) || defined(CONFIG_FO300)
wdenk8f0b7cb2005-03-27 23:41:39 +0000649 } else if (line_number == 2) {
Wolfgang Denkb87dfd22006-07-19 13:50:38 +0200650#if defined (CONFIG_STK52XX)
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200651 strcpy (info, " on a STK52xx carrier board");
wdenk8f0b7cb2005-03-27 23:41:39 +0000652#endif
Wolfgang Denkb87dfd22006-07-19 13:50:38 +0200653#if defined (CONFIG_TB5200)
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200654 strcpy (info, " on a TB5200 carrier board");
Wolfgang Denkb87dfd22006-07-19 13:50:38 +0200655#endif
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200656#if defined (CONFIG_FO300)
657 strcpy (info, " on a FO300 carrier board");
658#endif
Wolfgang Denkb87dfd22006-07-19 13:50:38 +0200659#endif
wdenk8f0b7cb2005-03-27 23:41:39 +0000660 }
661 else {
662 info [0] = '\0';
663 }
664}
665#endif
666
667/*
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200668 * Returns SM501 register base address. First thing called in the
669 * driver. Checks if SM501 is physically present.
wdenk8f0b7cb2005-03-27 23:41:39 +0000670 */
671unsigned int board_video_init (void)
672{
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200673 u16 save, tmp;
674 int restore, ret;
675
676 /*
677 * Check for Grafic Controller
678 */
679
680 /* save origianl FB content */
681 save = *(volatile u16 *)CFG_CS1_START;
682 restore = 1;
683
684 /* write test pattern to FB memory */
685 *(volatile u16 *)CFG_CS1_START = 0xA5A5;
686 __asm__ volatile ("sync");
687 /*
688 * Put a different pattern on the data lines: otherwise they may float
689 * long enough to read back what we wrote.
690 */
691 tmp = *(volatile u16 *)CFG_FLASH_BASE;
692 if (tmp == 0xA5A5)
693 puts ("!! possible error in grafic controller detection\n");
694
695 if (*(volatile u16 *)CFG_CS1_START != 0xA5A5) {
696 /* no grafic controller found */
697 restore = 0;
698 ret = 0;
699 } else {
700 ret = SM501_MMIO_BASE;
701 }
702
703 if (restore) {
704 *(volatile u16 *)CFG_CS1_START = save;
705 __asm__ volatile ("sync");
706 }
707 return ret;
wdenk8f0b7cb2005-03-27 23:41:39 +0000708}
709
710/*
711 * Returns SM501 framebuffer address
712 */
713unsigned int board_video_get_fb (void)
714{
715 return SM501_FB_BASE;
716}
717
718/*
719 * Called after initializing the SM501 and before clearing the screen.
720 */
721void board_validate_screen (unsigned int base)
722{
723}
724
725/*
726 * Return a pointer to the initialization sequence.
727 */
728const SMI_REGS *board_get_regs (void)
729{
730 return init_regs;
731}
732
733int board_get_width (void)
734{
735 return DISPLAY_WIDTH;
736}
737
738int board_get_height (void)
739{
740 return DISPLAY_HEIGHT;
741}
742
743#endif /* CONFIG_VIDEO_SM501 */
Bartlomiej Sieka8f8416f2007-06-08 14:52:22 +0200744
Grant Likelycf2817a2007-09-06 09:46:23 -0600745#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
Bartlomiej Sieka8f8416f2007-06-08 14:52:22 +0200746void ft_board_setup(void *blob, bd_t *bd)
747{
748 ft_cpu_setup(blob, bd);
Martin Krause44ceec22008-02-25 15:17:05 +0100749 fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
Bartlomiej Sieka8f8416f2007-06-08 14:52:22 +0200750}
Grant Likelycf2817a2007-09-06 09:46:23 -0600751#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */