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dzu@denx.de6ca24c62006-04-21 18:30:47 +02001/*
dzu@denx.de6ca24c62006-04-21 18:30:47 +02002 * (C) Copyright 2003-2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * (C) Copyright 2004
6 * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
7 *
8 * (C) Copyright 2004-2005
9 * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de
10 *
11 * (C) Copyright 2006
12 * Stefan Strobl, GERSYS GmbH, stefan.strobl@gersys.de
13 *
dzu@denx.de6ca24c62006-04-21 18:30:47 +020014 * See file CREDITS for list of people who contributed to this
15 * project.
16 *
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.
21 *
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.
26 *
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,
30 * MA 02111-1307 USA
31 */
32
33#include <common.h>
34#include <mpc5xxx.h>
35#include <pci.h>
Ben Warren19403632008-08-31 10:03:22 -070036#include <netdev.h>
dzu@denx.de6ca24c62006-04-21 18:30:47 +020037
38#ifdef CONFIG_VIDEO_SM501
39#include <sm501.h>
40#endif
41
42#if defined(CONFIG_MPC5200_DDR)
43#include "mt46v16m16-75.h"
44#else
45#include "mt48lc16m16a2-75.h"
46#endif
47
48#ifdef CONFIG_RTC_MPC5200
49#include <rtc.h>
Wolfgang Denk610cf362006-05-03 01:24:04 +020050#endif
dzu@denx.de6ca24c62006-04-21 18:30:47 +020051
52#ifdef CONFIG_PS2MULT
53void ps2mult_early_init(void);
54#endif
55
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020056#ifndef CONFIG_SYS_RAMBOOT
dzu@denx.de6ca24c62006-04-21 18:30:47 +020057static 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
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200103 * use of CONFIG_SYS_SDRAM_BASE. The code does not work if CONFIG_SYS_SDRAM_BASE
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200104 * is something else than 0x00000000.
105 */
106
Becky Bruce9973e3c2008-06-09 16:03:40 -0500107phys_size_t initdram (int board_type)
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200108{
109 ulong dramsize = 0;
110 ulong dramsize2 = 0;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200111#ifndef CONFIG_SYS_RAMBOOT
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200112 ulong test1, test2;
113
114 /* setup SDRAM chip selects */
115 *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001c; /* 512MB at 0x0 */
116 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x40000000; /* disabled */
117 __asm__ volatile ("sync");
118
119 /* setup config registers */
120 *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
121 *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
122 __asm__ volatile ("sync");
123
124#if SDRAM_DDR
125 /* set tap delay */
126 *(vu_long *)MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY;
127 __asm__ volatile ("sync");
128#endif
129
130 /* find RAM size using SDRAM CS0 only */
131 sdram_start(0);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200132 test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x20000000);
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200133 sdram_start(1);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200134 test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x20000000);
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200135 if (test1 > test2) {
136 sdram_start(0);
137 dramsize = test1;
138 } else {
139 dramsize = test2;
140 }
141
142 /* memory smaller than 1MB is impossible */
143 if (dramsize < (1 << 20)) {
144 dramsize = 0;
145 }
146
147 /* set SDRAM CS0 size according to the amount of RAM found */
148 if (dramsize > 0) {
149 *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 +
150 __builtin_ffs(dramsize >> 20) - 1;
151 } else {
152 *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */
153 }
154
155 /* let SDRAM CS1 start right after CS0 */
156 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001c; /* 512MB */
157
158 /* find RAM size using SDRAM CS1 only */
159 sdram_start(0);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200160 test1 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), 0x20000000);
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200161 sdram_start(1);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200162 test2 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), 0x20000000);
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200163 if (test1 > test2) {
164 sdram_start(0);
165 dramsize2 = test1;
166 } else {
167 dramsize2 = test2;
168 }
169
170 /* memory smaller than 1MB is impossible */
171 if (dramsize2 < (1 << 20)) {
172 dramsize2 = 0;
173 }
174
175 /* set SDRAM CS1 size according to the amount of RAM found */
176 if (dramsize2 > 0) {
177 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize
178 | (0x13 + __builtin_ffs(dramsize2 >> 20) - 1);
179 } else {
180 *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
181 }
182
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200183#else /* CONFIG_SYS_RAMBOOT */
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200184
185 /* retrieve size of memory connected to SDRAM CS0 */
186 dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF;
187 if (dramsize >= 0x13) {
188 dramsize = (1 << (dramsize - 0x13)) << 20;
189 } else {
190 dramsize = 0;
191 }
192
193 /* retrieve size of memory connected to SDRAM CS1 */
194 dramsize2 = *(vu_long *)MPC5XXX_SDRAM_CS1CFG & 0xFF;
195 if (dramsize2 >= 0x13) {
196 dramsize2 = (1 << (dramsize2 - 0x13)) << 20;
197 } else {
198 dramsize2 = 0;
199 }
200
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200201#endif /* CONFIG_SYS_RAMBOOT */
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200202
203 return dramsize;
204}
205
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200206int checkboard (void)
207{
208#if defined (CONFIG_TQM5200)
209 puts ("Board: TQM5200 (TQ-Components GmbH)\n");
210#endif
211
212#if defined (CONFIG_BC3450)
213 puts ("Dev: GERSYS BC3450\n");
214#endif
215
216 return 0;
217}
218
219void flash_preinit(void)
220{
221 /*
222 * Now, when we are in RAM, enable flash write
223 * access for detection process.
224 * Note that CS_BOOT cannot be cleared when
225 * executing in flash.
226 */
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200227 *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
228}
229
230
231#ifdef CONFIG_PCI
232static struct pci_controller hose;
233
234extern void pci_mpc5xxx_init(struct pci_controller *);
235
236void pci_init_board(void)
237{
238 pci_mpc5xxx_init(&hose);
239}
240#endif
241
Jon Loeliger77a31852007-07-10 10:39:10 -0500242#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET)
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200243
244void init_ide_reset (void)
245{
246 debug ("init_ide_reset\n");
247
248 /* Configure PSC1_4 as GPIO output for ATA reset */
249 *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4;
250 *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4;
251}
252
253void ide_set_reset (int idereset)
254{
255 debug ("ide_reset(%d)\n", idereset);
256
257 if (idereset) {
Bartlomiej Siekadae80f32006-11-01 01:38:16 +0100258 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_PSC1_4;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200259 } else {
Bartlomiej Siekadae80f32006-11-01 01:38:16 +0100260 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200261 }
262}
Jon Loeliger77a31852007-07-10 10:39:10 -0500263#endif
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200264
265#ifdef CONFIG_POST
266/*
267 * Reads GPIO pin PSC6_3. A keypress is reported, if PSC6_3 is low. If PSC6_3
268 * is left open, no keypress is detected.
269 */
270int post_hotkeys_pressed(void)
271{
272 struct mpc5xxx_gpio *gpio;
273
274 gpio = (struct mpc5xxx_gpio*) MPC5XXX_GPIO;
275
276 /*
277 * Configure PSC6_1 and PSC6_3 as GPIO. PSC6 then couldn't be used in
278 * CODEC or UART mode. Consumer IrDA should still be possible.
279 */
280 gpio->port_config &= ~(0x07000000);
281 gpio->port_config |= 0x03000000;
282
283 /* Enable GPIO for GPIO_IRDA_1 (IR_USB_CLK pin) = PSC6_3 */
284 gpio->simple_gpioe |= 0x20000000;
285
286 /* Configure GPIO_IRDA_1 as input */
287 gpio->simple_ddr &= ~(0x20000000);
288
289 return ((gpio->simple_ival & 0x20000000) ? 0 : 1);
290}
291#endif
292
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200293#ifdef CONFIG_BOARD_EARLY_INIT_R
294int board_early_init_r (void)
295{
296#ifdef CONFIG_RTC_MPC5200
Wolfgang Denk610cf362006-05-03 01:24:04 +0200297 struct rtc_time t;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200298
299 /* set to Wed Dec 31 19:00:00 1969 */
300 t.tm_sec = t.tm_min = 0;
301 t.tm_hour = 19;
302 t.tm_mday = 31;
303 t.tm_mon = 12;
304 t.tm_year = 1969;
305 t.tm_wday = 3;
Wolfgang Denk610cf362006-05-03 01:24:04 +0200306
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200307 rtc_set(&t);
308#endif /* CONFIG_RTC_MPC5200 */
309
310#ifdef CONFIG_PS2MULT
311 ps2mult_early_init();
312#endif /* CONFIG_PS2MULT */
313 return (0);
314}
315#endif /* CONFIG_BOARD_EARLY_INIT_R */
316
317
318int last_stage_init (void)
319{
320 /*
321 * auto scan for really existing devices and re-set chip select
322 * configuration.
323 */
324 u16 save, tmp;
325 int restore;
326
327 /*
328 * Check for SRAM and SRAM size
329 */
330
331 /* save original SRAM content */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200332 save = *(volatile u16 *)CONFIG_SYS_CS2_START;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200333 restore = 1;
334
335 /* write test pattern to SRAM */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200336 *(volatile u16 *)CONFIG_SYS_CS2_START = 0xA5A5;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200337 __asm__ volatile ("sync");
338 /*
339 * Put a different pattern on the data lines: otherwise they may float
340 * long enough to read back what we wrote.
341 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200342 tmp = *(volatile u16 *)CONFIG_SYS_FLASH_BASE;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200343 if (tmp == 0xA5A5)
344 puts ("!! possible error in SRAM detection\n");
345
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200346 if (*(volatile u16 *)CONFIG_SYS_CS2_START != 0xA5A5) {
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200347 /* no SRAM at all, disable cs */
348 *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 18);
349 *(vu_long *)MPC5XXX_CS2_START = 0x0000FFFF;
350 *(vu_long *)MPC5XXX_CS2_STOP = 0x0000FFFF;
351 restore = 0;
352 __asm__ volatile ("sync");
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200353 } else if (*(volatile u16 *)(CONFIG_SYS_CS2_START + (1<<19)) == 0xA5A5) {
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200354 /* make sure that we access a mirrored address */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200355 *(volatile u16 *)CONFIG_SYS_CS2_START = 0x1111;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200356 __asm__ volatile ("sync");
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200357 if (*(volatile u16 *)(CONFIG_SYS_CS2_START + (1<<19)) == 0x1111) {
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200358 /* SRAM size = 512 kByte */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200359 *(vu_long *)MPC5XXX_CS2_STOP = STOP_REG(CONFIG_SYS_CS2_START,
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200360 0x80000);
361 __asm__ volatile ("sync");
362 puts ("SRAM: 512 kB\n");
363 }
364 else
365 puts ("!! possible error in SRAM detection\n");
366 } else {
367 puts ("SRAM: 1 MB\n");
368 }
369 /* restore origianl SRAM content */
370 if (restore) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200371 *(volatile u16 *)CONFIG_SYS_CS2_START = save;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200372 __asm__ volatile ("sync");
373 }
374
375 /*
376 * Check for Grafic Controller
377 */
378
379 /* save origianl FB content */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200380 save = *(volatile u16 *)CONFIG_SYS_CS1_START;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200381 restore = 1;
382
383 /* write test pattern to FB memory */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200384 *(volatile u16 *)CONFIG_SYS_CS1_START = 0xA5A5;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200385 __asm__ volatile ("sync");
386 /*
387 * Put a different pattern on the data lines: otherwise they may float
388 * long enough to read back what we wrote.
389 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200390 tmp = *(volatile u16 *)CONFIG_SYS_FLASH_BASE;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200391 if (tmp == 0xA5A5)
392 puts ("!! possible error in grafic controller detection\n");
393
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200394 if (*(volatile u16 *)CONFIG_SYS_CS1_START != 0xA5A5) {
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200395 /* no grafic controller at all, disable cs */
396 *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 17);
397 *(vu_long *)MPC5XXX_CS1_START = 0x0000FFFF;
398 *(vu_long *)MPC5XXX_CS1_STOP = 0x0000FFFF;
399 restore = 0;
400 __asm__ volatile ("sync");
401 } else {
402 puts ("VGA: SMI501 (Voyager) with 8 MB\n");
403 }
Wolfgang Denk610cf362006-05-03 01:24:04 +0200404 /* restore origianl FB content */
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200405 if (restore) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200406 *(volatile u16 *)CONFIG_SYS_CS1_START = save;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200407 __asm__ volatile ("sync");
408 }
409
410 return 0;
411}
412
413#ifdef CONFIG_VIDEO_SM501
414
Wolfgang Denk610cf362006-05-03 01:24:04 +0200415#define DISPLAY_WIDTH 640
416#define DISPLAY_HEIGHT 480
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200417
418#ifdef CONFIG_VIDEO_SM501_8BPP
419#error CONFIG_VIDEO_SM501_8BPP not supported.
420#endif /* CONFIG_VIDEO_SM501_8BPP */
421
422#ifdef CONFIG_VIDEO_SM501_16BPP
423#error CONFIG_VIDEO_SM501_16BPP not supported.
424#endif /* CONFIG_VIDEO_SM501_16BPP */
425
426#ifdef CONFIG_VIDEO_SM501_32BPP
427static const SMI_REGS init_regs [] =
428{
429#if defined (CONFIG_BC3450_FP) && !defined (CONFIG_BC3450_CRT)
430 /* FP only */
431 {0x00004, 0x0},
432 {0x00048, 0x00021807},
433 {0x0004C, 0x091a0a01},
434 {0x00054, 0x1},
435 {0x00040, 0x00021807},
436 {0x00044, 0x091a0a01},
437 {0x00054, 0x0},
438 {0x80000, 0x01013106},
439 {0x80004, 0xc428bb17},
440 {0x80000, 0x03013106},
441 {0x8000C, 0x00000000},
442 {0x80010, 0x0a000a00},
443 {0x80014, 0x02800000},
444 {0x80018, 0x01e00000},
445 {0x8001C, 0x00000000},
446 {0x80020, 0x01e00280},
447 {0x80024, 0x02fa027f},
448 {0x80028, 0x004a028b},
449 {0x8002C, 0x020c01df},
450 {0x80030, 0x000201e9},
451 {0x80200, 0x00010200},
452 {0x80000, 0x0f013106},
453#elif defined (CONFIG_BC3450_CRT) && !defined (CONFIG_BC3450_FP)
454 /* CRT only */
455 {0x00004, 0x0},
456 {0x00048, 0x00021807},
457 {0x0004C, 0x10090a01},
458 {0x00054, 0x1},
459 {0x00040, 0x00021807},
460 {0x00044, 0x10090a01},
461 {0x00054, 0x0},
462 {0x80200, 0x00010000},
463 {0x80204, 0x0},
464 {0x80208, 0x0A000A00},
465 {0x8020C, 0x02fa027f},
466 {0x80210, 0x004a028b},
467 {0x80214, 0x020c01df},
468 {0x80218, 0x000201e9},
469 {0x80200, 0x00013306},
470#else /* panel + CRT */
471 {0x00004, 0x0},
472 {0x00048, 0x00021807},
473 {0x0004C, 0x091a0a01},
474 {0x00054, 0x1},
475 {0x00040, 0x00021807},
476 {0x00044, 0x091a0a01},
477 {0x00054, 0x0},
478 {0x80000, 0x0f013106},
479 {0x80004, 0xc428bb17},
480 {0x8000C, 0x00000000},
481 {0x80010, 0x0a000a00},
482 {0x80014, 0x02800000},
483 {0x80018, 0x01e00000},
484 {0x8001C, 0x00000000},
485 {0x80020, 0x01e00280},
486 {0x80024, 0x02fa027f},
487 {0x80028, 0x004a028b},
488 {0x8002C, 0x020c01df},
489 {0x80030, 0x000201e9},
490 {0x80200, 0x00010000},
491#endif
492 {0, 0}
493};
494#endif /* CONFIG_VIDEO_SM501_32BPP */
495
496#ifdef CONFIG_CONSOLE_EXTRA_INFO
497/*
498 * Return text to be printed besides the logo.
499 */
500void video_get_info_str (int line_number, char *info)
501{
502 if (line_number == 1) {
503#if defined (CONFIG_TQM5200)
504 strcpy (info, " Board: TQM5200 (TQ-Components GmbH)");
505#else
506#error No supported board selected
507#endif /* CONFIG_TQM5200 */
508
509#if defined (CONFIG_BC3450)
510 } else if (line_number == 2) {
511 strcpy (info, " Dev: GERSYS BC3450");
512#endif /* CONFIG_BC3450 */
513 }
514 else {
515 info [0] = '\0';
516 }
517}
518#endif
519
520/*
521 * Returns SM501 register base address. First thing called in the
522 * driver. Checks if SM501 is physically present.
523 */
524unsigned int board_video_init (void)
525{
526 u16 save, tmp;
527 int restore, ret;
528
529 /*
530 * Check for Grafic Controller
531 */
532
533 /* save origianl FB content */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200534 save = *(volatile u16 *)CONFIG_SYS_CS1_START;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200535 restore = 1;
536
537 /* write test pattern to FB memory */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200538 *(volatile u16 *)CONFIG_SYS_CS1_START = 0xA5A5;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200539 __asm__ volatile ("sync");
540 /*
541 * Put a different pattern on the data lines: otherwise they may float
542 * long enough to read back what we wrote.
543 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200544 tmp = *(volatile u16 *)CONFIG_SYS_FLASH_BASE;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200545 if (tmp == 0xA5A5)
546 puts ("!! possible error in grafic controller detection\n");
547
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200548 if (*(volatile u16 *)CONFIG_SYS_CS1_START != 0xA5A5) {
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200549 /* no grafic controller found */
550 restore = 0;
551 ret = 0;
552 } else {
553 ret = SM501_MMIO_BASE;
554 }
Wolfgang Denk610cf362006-05-03 01:24:04 +0200555
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200556 if (restore) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200557 *(volatile u16 *)CONFIG_SYS_CS1_START = save;
dzu@denx.de6ca24c62006-04-21 18:30:47 +0200558 __asm__ volatile ("sync");
559 }
560 return ret;
561}
562
563/*
564 * Returns SM501 framebuffer address
565 */
566unsigned int board_video_get_fb (void)
567{
568 return SM501_FB_BASE;
569}
570
571/*
572 * Called after initializing the SM501 and before clearing the screen.
573 */
574void board_validate_screen (unsigned int base)
575{
576}
577
578/*
579 * Return a pointer to the initialization sequence.
580 */
581const SMI_REGS *board_get_regs (void)
582{
583 return init_regs;
584}
585
586int board_get_width (void)
587{
588 return DISPLAY_WIDTH;
589}
590
591int board_get_height (void)
592{
593 return DISPLAY_HEIGHT;
594}
595
596#endif /* CONFIG_VIDEO_SM501 */
Ben Warren19403632008-08-31 10:03:22 -0700597
598int board_eth_init(bd_t *bis)
599{
Ben Warrene1d74802008-08-31 10:39:12 -0700600 cpu_eth_init(bis); /* Built in FEC comes first */
Ben Warren19403632008-08-31 10:03:22 -0700601 return pci_eth_init(bis);
602}