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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
wdenk56523f12004-07-11 17:40:54 +0000107long int initdram (int board_type)
108{
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;
319#endif
320}
321
322void ide_set_reset (int idereset)
323{
324 debug ("ide_reset(%d)\n", idereset);
325
326#if defined (CONFIG_MINIFAP)
327 if (idereset) {
328 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
329 ~SM501_GPIO_51;
330 } else {
331 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
332 SM501_GPIO_51;
333 }
334#else
335 if (idereset) {
Bartlomiej Siekadae80f32006-11-01 01:38:16 +0100336 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_PSC1_4;
wdenk56523f12004-07-11 17:40:54 +0000337 } else {
Bartlomiej Siekadae80f32006-11-01 01:38:16 +0100338 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4;
wdenk56523f12004-07-11 17:40:54 +0000339 }
340#endif
341}
Jon Loeligerd39b5742007-07-10 10:48:22 -0500342#endif
wdenk56523f12004-07-11 17:40:54 +0000343
344#ifdef CONFIG_POST
345/*
346 * Reads GPIO pin PSC6_3. A keypress is reported, if PSC6_3 is low. If PSC6_3
347 * is left open, no keypress is detected.
348 */
349int post_hotkeys_pressed(void)
350{
Wolfgang Denk1d92b2e2006-10-09 01:07:53 +0200351#ifdef CONFIG_STK52XX
wdenk56523f12004-07-11 17:40:54 +0000352 struct mpc5xxx_gpio *gpio;
353
354 gpio = (struct mpc5xxx_gpio*) MPC5XXX_GPIO;
355
356 /*
357 * Configure PSC6_1 and PSC6_3 as GPIO. PSC6 then couldn't be used in
358 * CODEC or UART mode. Consumer IrDA should still be possible.
wdenk81050922004-07-11 20:04:51 +0000359 */
wdenk56523f12004-07-11 17:40:54 +0000360 gpio->port_config &= ~(0x07000000);
361 gpio->port_config |= 0x03000000;
362
363 /* Enable GPIO for GPIO_IRDA_1 (IR_USB_CLK pin) = PSC6_3 */
364 gpio->simple_gpioe |= 0x20000000;
365
366 /* Configure GPIO_IRDA_1 as input */
367 gpio->simple_ddr &= ~(0x20000000);
368
369 return ((gpio->simple_ival & 0x20000000) ? 0 : 1);
Wolfgang Denk1d92b2e2006-10-09 01:07:53 +0200370#else
371 return 0;
372#endif
wdenk56523f12004-07-11 17:40:54 +0000373}
374#endif
375
376#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
377
378void post_word_store (ulong a)
379{
380 volatile ulong *save_addr =
381 (volatile ulong *)(MPC5XXX_SRAM + MPC5XXX_SRAM_POST_SIZE);
382
383 *save_addr = a;
384}
385
386ulong post_word_load (void)
387{
388 volatile ulong *save_addr =
389 (volatile ulong *)(MPC5XXX_SRAM + MPC5XXX_SRAM_POST_SIZE);
390
391 return *save_addr;
392}
wdenk56523f12004-07-11 17:40:54 +0000393#endif /* CONFIG_POST || CONFIG_LOGBUFFER*/
wdenk7e6bf352004-12-12 22:06:17 +0000394
wdenk7e6bf352004-12-12 22:06:17 +0000395#ifdef CONFIG_BOARD_EARLY_INIT_R
396int board_early_init_r (void)
397{
Markus Klotzbuecher6a40ef62008-01-09 13:57:10 +0100398
Wolfgang Denk409ecdc2007-11-18 16:36:27 +0100399 extern int usb_cpu_init(void);
400
Marian Balakowicz245a3622007-10-24 01:37:36 +0200401#ifdef CONFIG_PS2MULT
wdenk7e6bf352004-12-12 22:06:17 +0000402 ps2mult_early_init();
Marian Balakowicz245a3622007-10-24 01:37:36 +0200403#endif /* CONFIG_PS2MULT */
404
405#if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT)
406 /* Low level USB init, required for proper kernel operation */
407 usb_cpu_init();
408#endif
409
wdenk7e6bf352004-12-12 22:06:17 +0000410 return (0);
411}
412#endif
wdenk7e6bf352004-12-12 22:06:17 +0000413
Wolfgang Denkaeec7822006-09-13 10:47:05 +0200414#ifdef CONFIG_FO300
415int silent_boot (void)
416{
417 vu_long timer3_status;
418
419 /* Configure GPT3 as GPIO input */
420 *(vu_long *)MPC5XXX_GPT3_ENABLE = 0x00000004;
421
422 /* Read in TIMER_3 pin status */
423 timer3_status = *(vu_long *)MPC5XXX_GPT3_STATUS;
424
425#ifdef FO300_SILENT_CONSOLE_WHEN_S1_CLOSED
426 /* Force silent console mode if S1 switch
427 * is in closed position (TIMER_3 pin status is LOW). */
428 if (MPC5XXX_GPT_GPIO_PIN(timer3_status) == 0)
429 return 1;
430#else
431 /* Force silent console mode if S1 switch
432 * is in open position (TIMER_3 pin status is HIGH). */
433 if (MPC5XXX_GPT_GPIO_PIN(timer3_status) == 1)
434 return 1;
435#endif
436
437 return 0;
438}
439
440int board_early_init_f (void)
441{
Wolfgang Denkaeec7822006-09-13 10:47:05 +0200442 if (silent_boot())
443 gd->flags |= GD_FLG_SILENT;
444
445 return 0;
446}
447#endif /* CONFIG_FO300 */
448
wdenk7e6bf352004-12-12 22:06:17 +0000449int last_stage_init (void)
450{
451 /*
452 * auto scan for really existing devices and re-set chip select
453 * configuration.
454 */
455 u16 save, tmp;
456 int restore;
457
458 /*
459 * Check for SRAM and SRAM size
460 */
461
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200462 /* save original SRAM content */
wdenk7e6bf352004-12-12 22:06:17 +0000463 save = *(volatile u16 *)CFG_CS2_START;
464 restore = 1;
wdenkefe2a4d2004-12-16 21:44:03 +0000465
wdenk7e6bf352004-12-12 22:06:17 +0000466 /* write test pattern to SRAM */
467 *(volatile u16 *)CFG_CS2_START = 0xA5A5;
468 __asm__ volatile ("sync");
469 /*
470 * Put a different pattern on the data lines: otherwise they may float
471 * long enough to read back what we wrote.
472 */
473 tmp = *(volatile u16 *)CFG_FLASH_BASE;
474 if (tmp == 0xA5A5)
475 puts ("!! possible error in SRAM detection\n");
wdenkefe2a4d2004-12-16 21:44:03 +0000476
wdenk7e6bf352004-12-12 22:06:17 +0000477 if (*(volatile u16 *)CFG_CS2_START != 0xA5A5) {
478 /* no SRAM at all, disable cs */
479 *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 18);
480 *(vu_long *)MPC5XXX_CS2_START = 0x0000FFFF;
481 *(vu_long *)MPC5XXX_CS2_STOP = 0x0000FFFF;
482 restore = 0;
483 __asm__ volatile ("sync");
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200484 } else if (*(volatile u16 *)(CFG_CS2_START + (1<<19)) == 0xA5A5) {
wdenk7e6bf352004-12-12 22:06:17 +0000485 /* make sure that we access a mirrored address */
486 *(volatile u16 *)CFG_CS2_START = 0x1111;
487 __asm__ volatile ("sync");
488 if (*(volatile u16 *)(CFG_CS2_START + (1<<19)) == 0x1111) {
489 /* SRAM size = 512 kByte */
wdenkefe2a4d2004-12-16 21:44:03 +0000490 *(vu_long *)MPC5XXX_CS2_STOP = STOP_REG(CFG_CS2_START,
wdenk7e6bf352004-12-12 22:06:17 +0000491 0x80000);
492 __asm__ volatile ("sync");
493 puts ("SRAM: 512 kB\n");
494 }
495 else
wdenkefe2a4d2004-12-16 21:44:03 +0000496 puts ("!! possible error in SRAM detection\n");
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200497 } else {
wdenkefe2a4d2004-12-16 21:44:03 +0000498 puts ("SRAM: 1 MB\n");
wdenk7e6bf352004-12-12 22:06:17 +0000499 }
500 /* restore origianl SRAM content */
501 if (restore) {
502 *(volatile u16 *)CFG_CS2_START = save;
503 __asm__ volatile ("sync");
504 }
wdenkefe2a4d2004-12-16 21:44:03 +0000505
Martin Krause0fc0f912007-10-22 16:40:06 +0200506#ifndef CONFIG_TQM5200S /* The TQM5200S has no SM501 grafic controller */
wdenkefe2a4d2004-12-16 21:44:03 +0000507 /*
wdenk7e6bf352004-12-12 22:06:17 +0000508 * Check for Grafic Controller
509 */
510
511 /* save origianl FB content */
512 save = *(volatile u16 *)CFG_CS1_START;
513 restore = 1;
wdenkefe2a4d2004-12-16 21:44:03 +0000514
wdenk7e6bf352004-12-12 22:06:17 +0000515 /* write test pattern to FB memory */
516 *(volatile u16 *)CFG_CS1_START = 0xA5A5;
517 __asm__ volatile ("sync");
518 /*
519 * Put a different pattern on the data lines: otherwise they may float
520 * long enough to read back what we wrote.
521 */
522 tmp = *(volatile u16 *)CFG_FLASH_BASE;
523 if (tmp == 0xA5A5)
524 puts ("!! possible error in grafic controller detection\n");
wdenkefe2a4d2004-12-16 21:44:03 +0000525
wdenk7e6bf352004-12-12 22:06:17 +0000526 if (*(volatile u16 *)CFG_CS1_START != 0xA5A5) {
527 /* no grafic controller at all, disable cs */
528 *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 17);
529 *(vu_long *)MPC5XXX_CS1_START = 0x0000FFFF;
530 *(vu_long *)MPC5XXX_CS1_STOP = 0x0000FFFF;
531 restore = 0;
532 __asm__ volatile ("sync");
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200533 } else {
wdenkefe2a4d2004-12-16 21:44:03 +0000534 puts ("VGA: SMI501 (Voyager) with 8 MB\n");
wdenk7e6bf352004-12-12 22:06:17 +0000535 }
536 /* restore origianl FB content */
537 if (restore) {
538 *(volatile u16 *)CFG_CS1_START = save;
539 __asm__ volatile ("sync");
540 }
wdenkefe2a4d2004-12-16 21:44:03 +0000541
Wolfgang Denkaeec7822006-09-13 10:47:05 +0200542#ifdef CONFIG_FO300
543 if (silent_boot()) {
544 setenv("bootdelay", "0");
545 disable_ctrlc(1);
546 }
547#endif
Wolfgang Denk409ecdc2007-11-18 16:36:27 +0100548#endif /* !CONFIG_TQM5200S */
Wolfgang Denkaeec7822006-09-13 10:47:05 +0200549
wdenk7e6bf352004-12-12 22:06:17 +0000550 return 0;
551}
wdenk8f0b7cb2005-03-27 23:41:39 +0000552
553#ifdef CONFIG_VIDEO_SM501
554
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200555#ifdef CONFIG_FO300
556#define DISPLAY_WIDTH 800
557#else
wdenk8f0b7cb2005-03-27 23:41:39 +0000558#define DISPLAY_WIDTH 640
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200559#endif
wdenk8f0b7cb2005-03-27 23:41:39 +0000560#define DISPLAY_HEIGHT 480
561
562#ifdef CONFIG_VIDEO_SM501_8BPP
563#error CONFIG_VIDEO_SM501_8BPP not supported.
564#endif /* CONFIG_VIDEO_SM501_8BPP */
565
566#ifdef CONFIG_VIDEO_SM501_16BPP
567#error CONFIG_VIDEO_SM501_16BPP not supported.
568#endif /* CONFIG_VIDEO_SM501_16BPP */
569#ifdef CONFIG_VIDEO_SM501_32BPP
570static const SMI_REGS init_regs [] =
571{
572#if 0 /* CRT only */
573 {0x00004, 0x0},
574 {0x00048, 0x00021807},
575 {0x0004C, 0x10090a01},
576 {0x00054, 0x1},
577 {0x00040, 0x00021807},
578 {0x00044, 0x10090a01},
579 {0x00054, 0x0},
580 {0x80200, 0x00010000},
581 {0x80204, 0x0},
582 {0x80208, 0x0A000A00},
583 {0x8020C, 0x02fa027f},
584 {0x80210, 0x004a028b},
585 {0x80214, 0x020c01df},
586 {0x80218, 0x000201e9},
587 {0x80200, 0x00013306},
588#else /* panel + CRT */
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200589#ifdef CONFIG_FO300
590 {0x00004, 0x0},
591 {0x00048, 0x00021807},
592 {0x0004C, 0x301a0a01},
593 {0x00054, 0x1},
594 {0x00040, 0x00021807},
595 {0x00044, 0x091a0a01},
596 {0x00054, 0x0},
597 {0x80000, 0x0f013106},
598 {0x80004, 0xc428bb17},
599 {0x8000C, 0x00000000},
600 {0x80010, 0x0C800C80},
601 {0x80014, 0x03200000},
602 {0x80018, 0x01e00000},
603 {0x8001C, 0x00000000},
604 {0x80020, 0x01e00320},
605 {0x80024, 0x042a031f},
606 {0x80028, 0x0086034a},
607 {0x8002C, 0x020c01df},
608 {0x80030, 0x000201ea},
609 {0x80200, 0x00010000},
610#else
wdenk8f0b7cb2005-03-27 23:41:39 +0000611 {0x00004, 0x0},
612 {0x00048, 0x00021807},
613 {0x0004C, 0x091a0a01},
614 {0x00054, 0x1},
615 {0x00040, 0x00021807},
616 {0x00044, 0x091a0a01},
617 {0x00054, 0x0},
618 {0x80000, 0x0f013106},
619 {0x80004, 0xc428bb17},
620 {0x8000C, 0x00000000},
621 {0x80010, 0x0a000a00},
622 {0x80014, 0x02800000},
623 {0x80018, 0x01e00000},
624 {0x8001C, 0x00000000},
625 {0x80020, 0x01e00280},
626 {0x80024, 0x02fa027f},
627 {0x80028, 0x004a028b},
628 {0x8002C, 0x020c01df},
629 {0x80030, 0x000201e9},
630 {0x80200, 0x00010000},
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200631#endif /* #ifdef CONFIG_FO300 */
wdenk8f0b7cb2005-03-27 23:41:39 +0000632#endif
633 {0, 0}
634};
635#endif /* CONFIG_VIDEO_SM501_32BPP */
636
637#ifdef CONFIG_CONSOLE_EXTRA_INFO
638/*
639 * Return text to be printed besides the logo.
640 */
641void video_get_info_str (int line_number, char *info)
642{
643 if (line_number == 1) {
Wolfgang Denkcd65a3d2006-06-16 16:11:34 +0200644 strcpy (info, " Board: TQM5200 (TQ-Components GmbH)");
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200645#if defined (CONFIG_STK52XX) || defined (CONFIG_TB5200) || defined(CONFIG_FO300)
wdenk8f0b7cb2005-03-27 23:41:39 +0000646 } else if (line_number == 2) {
Wolfgang Denkb87dfd22006-07-19 13:50:38 +0200647#if defined (CONFIG_STK52XX)
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200648 strcpy (info, " on a STK52xx carrier board");
wdenk8f0b7cb2005-03-27 23:41:39 +0000649#endif
Wolfgang Denkb87dfd22006-07-19 13:50:38 +0200650#if defined (CONFIG_TB5200)
Wolfgang Denk5078cce2006-07-21 11:16:34 +0200651 strcpy (info, " on a TB5200 carrier board");
Wolfgang Denkb87dfd22006-07-19 13:50:38 +0200652#endif
Marian Balakowicz6d3bc9b2006-08-18 19:14:46 +0200653#if defined (CONFIG_FO300)
654 strcpy (info, " on a FO300 carrier board");
655#endif
Wolfgang Denkb87dfd22006-07-19 13:50:38 +0200656#endif
wdenk8f0b7cb2005-03-27 23:41:39 +0000657 }
658 else {
659 info [0] = '\0';
660 }
661}
662#endif
663
664/*
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200665 * Returns SM501 register base address. First thing called in the
666 * driver. Checks if SM501 is physically present.
wdenk8f0b7cb2005-03-27 23:41:39 +0000667 */
668unsigned int board_video_init (void)
669{
Wolfgang Denke8aa8242005-08-18 11:55:22 +0200670 u16 save, tmp;
671 int restore, ret;
672
673 /*
674 * Check for Grafic Controller
675 */
676
677 /* save origianl FB content */
678 save = *(volatile u16 *)CFG_CS1_START;
679 restore = 1;
680
681 /* write test pattern to FB memory */
682 *(volatile u16 *)CFG_CS1_START = 0xA5A5;
683 __asm__ volatile ("sync");
684 /*
685 * Put a different pattern on the data lines: otherwise they may float
686 * long enough to read back what we wrote.
687 */
688 tmp = *(volatile u16 *)CFG_FLASH_BASE;
689 if (tmp == 0xA5A5)
690 puts ("!! possible error in grafic controller detection\n");
691
692 if (*(volatile u16 *)CFG_CS1_START != 0xA5A5) {
693 /* no grafic controller found */
694 restore = 0;
695 ret = 0;
696 } else {
697 ret = SM501_MMIO_BASE;
698 }
699
700 if (restore) {
701 *(volatile u16 *)CFG_CS1_START = save;
702 __asm__ volatile ("sync");
703 }
704 return ret;
wdenk8f0b7cb2005-03-27 23:41:39 +0000705}
706
707/*
708 * Returns SM501 framebuffer address
709 */
710unsigned int board_video_get_fb (void)
711{
712 return SM501_FB_BASE;
713}
714
715/*
716 * Called after initializing the SM501 and before clearing the screen.
717 */
718void board_validate_screen (unsigned int base)
719{
720}
721
722/*
723 * Return a pointer to the initialization sequence.
724 */
725const SMI_REGS *board_get_regs (void)
726{
727 return init_regs;
728}
729
730int board_get_width (void)
731{
732 return DISPLAY_WIDTH;
733}
734
735int board_get_height (void)
736{
737 return DISPLAY_HEIGHT;
738}
739
740#endif /* CONFIG_VIDEO_SM501 */
Bartlomiej Sieka8f8416f2007-06-08 14:52:22 +0200741
Grant Likelycf2817a2007-09-06 09:46:23 -0600742#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
Bartlomiej Sieka8f8416f2007-06-08 14:52:22 +0200743void ft_board_setup(void *blob, bd_t *bd)
744{
745 ft_cpu_setup(blob, bd);
Martin Krause44ceec22008-02-25 15:17:05 +0100746 fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
Bartlomiej Sieka8f8416f2007-06-08 14:52:22 +0200747}
Grant Likelycf2817a2007-09-06 09:46:23 -0600748#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */