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imported Freescale specific U-Boot additions for i.MX28,... release L2.6.31_10.08.01
[karo-tx-uboot.git] / board / esd / hh405 / hh405.c
1 /*
2  * (C) Copyright 2001-2004
3  * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
4  *
5  * (C) Copyright 2005
6  * Stefan Roese, DENX Software Engineering, sr@denx.de.
7  *
8  * (C) Copyright 2006-2007
9  * Matthias Fuchs, esd GmbH, matthias.fuchs@esd-electronics.com
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
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22  * 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 <asm/processor.h>
32 #include <asm/io.h>
33 #include <command.h>
34 #include <malloc.h>
35 #include <pci.h>
36 #include <sm501.h>
37
38 DECLARE_GLOBAL_DATA_PTR;
39
40 /* FPGA internal regs */
41 #define FPGA_CTRL       ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x000))
42 #define FPGA_STATUS     ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x002))
43 #define FPGA_CTR        ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x004))
44 #define FPGA_BL         ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x006))
45
46 /* FPGA Control Reg */
47 #define FPGA_CTRL_REV0      0x0001
48 #define FPGA_CTRL_REV1      0x0002
49 #define FPGA_CTRL_VGA0_BL   0x0004
50 #define FPGA_CTRL_VGA0_BL_MODE 0x0008
51 #define FPGA_CTRL_CF_RESET  0x0040
52 #define FPGA_CTRL_PS2_PWR   0x0080
53 #define FPGA_CTRL_CF_PWRN   0x0100      /* low active */
54 #define FPGA_CTRL_CF_BUS_EN 0x0200
55 #define FPGA_CTRL_LCD_CLK   0x7000      /* mask for lcd clock */
56 #define FPGA_CTRL_OW_ENABLE 0x8000
57
58 #define FPGA_STATUS_CF_DETECT 0x8000
59
60 #ifdef CONFIG_VIDEO_SM501
61
62 #define SWAP32(x)        ((((x) & 0x000000ff) << 24) | (((x) & 0x0000ff00) << 8)|\
63                           (((x) & 0x00ff0000) >>  8) | (((x) & 0xff000000) >> 24) )
64
65 #ifdef CONFIG_VIDEO_SM501_8BPP
66 #error CONFIG_VIDEO_SM501_8BPP not supported.
67 #endif /* CONFIG_VIDEO_SM501_8BPP */
68
69 #ifdef CONFIG_VIDEO_SM501_16BPP
70 #define BPP     16
71
72 /*
73  * 800x600 display B084SN03: PCLK = 40MHz
74  * => 2*PCLK = 80MHz
75  * 336/4 = 84MHz
76  * => PCLK = 84MHz
77  */
78 static const SMI_REGS init_regs_800x600 [] =
79 {
80 #if 1 /* test-only */
81         {0x0005c, SWAP32(0xffffffff)}, /* set endianess to big endian */
82 #else
83         {0x0005c, SWAP32(0x00000000)}, /* set endianess to little endian */
84 #endif
85         {0x00004, SWAP32(0x00000000)},
86         /* clocks for pm1... */
87         {0x00048, SWAP32(0x00021807)},
88         {0x0004C, SWAP32(0x221a0a01)},
89         {0x00054, SWAP32(0x00000001)},
90         /* clocks for pm0... */
91         {0x00040, SWAP32(0x00021807)},
92         {0x00044, SWAP32(0x221a0a01)},
93         {0x00054, SWAP32(0x00000000)},
94         /* GPIO */
95         {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
96         /* panel control regs... */
97         {0x80000, SWAP32(0x0f013105)}, /* panel display control: 16-bit RGB 5:6:5 mode */
98         {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
99         {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
100         {0x80010, SWAP32(0x06400640)}, /* panel fb offset/window width */
101         {0x80014, SWAP32(0x03200000)}, /* panel fb width (0x320=800) */
102         {0x80018, SWAP32(0x02580000)}, /* panel fb height (0x258=600) */
103         {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
104         {0x80020, SWAP32(0x02580320)}, /* panel plane br location */
105         {0x80024, SWAP32(0x041f031f)}, /* panel horizontal total */
106         {0x80028, SWAP32(0x00800347)}, /* panel horizontal sync */
107         {0x8002C, SWAP32(0x02730257)}, /* panel vertical total */
108         {0x80030, SWAP32(0x00040258)}, /* panel vertical sync */
109         {0x80200, SWAP32(0x00010000)}, /* crt display control */
110         {0, 0}
111 };
112
113 /*
114  * 1024x768 display G150XG02: PCLK = 65MHz
115  * => 2*PCLK = 130MHz
116  * 288/2 = 144MHz
117  * => PCLK = 72MHz
118  */
119 static const SMI_REGS init_regs_1024x768 [] =
120 {
121         {0x00004, SWAP32(0x00000000)},
122         /* clocks for pm1... */
123         {0x00048, SWAP32(0x00021807)},
124         {0x0004C, SWAP32(0x011a0a01)},
125         {0x00054, SWAP32(0x00000001)},
126         /* clocks for pm0... */
127         {0x00040, SWAP32(0x00021807)},
128         {0x00044, SWAP32(0x011a0a01)},
129         {0x00054, SWAP32(0x00000000)},
130         /* GPIO */
131         {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
132         /* panel control regs... */
133         {0x80000, SWAP32(0x0f013105)}, /* panel display control: 16-bit RGB 5:6:5 mode */
134         {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
135         {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
136         {0x80010, SWAP32(0x08000800)}, /* panel fb offset/window width */
137         {0x80014, SWAP32(0x04000000)}, /* panel fb width (0x400=1024) */
138         {0x80018, SWAP32(0x03000000)}, /* panel fb height (0x300=768) */
139         {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
140         {0x80020, SWAP32(0x03000400)}, /* panel plane br location */
141         {0x80024, SWAP32(0x053f03ff)}, /* panel horizontal total */
142         {0x80028, SWAP32(0x0140040f)}, /* panel horizontal sync */
143         {0x8002C, SWAP32(0x032502ff)}, /* panel vertical total */
144         {0x80030, SWAP32(0x00260301)}, /* panel vertical sync */
145         {0x80200, SWAP32(0x00010000)}, /* crt display control */
146         {0, 0}
147 };
148
149 #endif /* CONFIG_VIDEO_SM501_16BPP */
150
151 #ifdef CONFIG_VIDEO_SM501_32BPP
152 #define BPP     32
153
154 /*
155  * 800x600 display B084SN03: PCLK = 40MHz
156  * => 2*PCLK = 80MHz
157  * 336/4 = 84MHz
158  * => PCLK = 84MHz
159  */
160 static const SMI_REGS init_regs_800x600 [] =
161 {
162 #if 0 /* test-only */
163         {0x0005c, SWAP32(0xffffffff)}, /* set endianess to big endian */
164 #else
165         {0x0005c, SWAP32(0x00000000)}, /* set endianess to little endian */
166 #endif
167         {0x00004, SWAP32(0x00000000)},
168         /* clocks for pm1... */
169         {0x00048, SWAP32(0x00021807)},
170         {0x0004C, SWAP32(0x221a0a01)},
171         {0x00054, SWAP32(0x00000001)},
172         /* clocks for pm0... */
173         {0x00040, SWAP32(0x00021807)},
174         {0x00044, SWAP32(0x221a0a01)},
175         {0x00054, SWAP32(0x00000000)},
176         /* GPIO */
177         {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
178         /* panel control regs... */
179         {0x80000, SWAP32(0x0f013106)}, /* panel display control: 32-bit RGB 8:8:8 mode */
180         {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
181         {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
182         {0x80010, SWAP32(0x0c800c80)}, /* panel fb offset/window width */
183         {0x80014, SWAP32(0x03200000)}, /* panel fb width (0x320=800) */
184         {0x80018, SWAP32(0x02580000)}, /* panel fb height (0x258=600) */
185         {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
186         {0x80020, SWAP32(0x02580320)}, /* panel plane br location */
187         {0x80024, SWAP32(0x041f031f)}, /* panel horizontal total */
188         {0x80028, SWAP32(0x00800347)}, /* panel horizontal sync */
189         {0x8002C, SWAP32(0x02730257)}, /* panel vertical total */
190         {0x80030, SWAP32(0x00040258)}, /* panel vertical sync */
191         {0x80200, SWAP32(0x00010000)}, /* crt display control */
192         {0, 0}
193 };
194
195 /*
196  * 1024x768 display G150XG02: PCLK = 65MHz
197  * => 2*PCLK = 130MHz
198  * 288/2 = 144MHz
199  * => PCLK = 72MHz
200  */
201 static const SMI_REGS init_regs_1024x768 [] =
202 {
203         {0x00004, SWAP32(0x00000000)},
204         /* clocks for pm1... */
205         {0x00048, SWAP32(0x00021807)},
206         {0x0004C, SWAP32(0x011a0a01)},
207         {0x00054, SWAP32(0x00000001)},
208         /* clocks for pm0... */
209         {0x00040, SWAP32(0x00021807)},
210         {0x00044, SWAP32(0x011a0a01)},
211         {0x00054, SWAP32(0x00000000)},
212         /* GPIO */
213         {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
214         /* panel control regs... */
215         {0x80000, SWAP32(0x0f013106)}, /* panel display control: 32-bit RGB 8:8:8 mode */
216         {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
217         {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
218         {0x80010, SWAP32(0x10001000)}, /* panel fb offset/window width */
219         {0x80014, SWAP32(0x04000000)}, /* panel fb width (0x400=1024) */
220         {0x80018, SWAP32(0x03000000)}, /* panel fb height (0x300=768) */
221         {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
222         {0x80020, SWAP32(0x03000400)}, /* panel plane br location */
223         {0x80024, SWAP32(0x053f03ff)}, /* panel horizontal total */
224         {0x80028, SWAP32(0x0140040f)}, /* panel horizontal sync */
225         {0x8002C, SWAP32(0x032502ff)}, /* panel vertical total */
226         {0x80030, SWAP32(0x00260301)}, /* panel vertical sync */
227         {0x80200, SWAP32(0x00010000)}, /* crt display control */
228         {0, 0}
229 };
230
231 #endif /* CONFIG_VIDEO_SM501_32BPP */
232
233 #endif /* CONFIG_VIDEO_SM501 */
234
235 #if 0
236 #define FPGA_DEBUG
237 #endif
238
239 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
240 extern void lxt971_no_sleep(void);
241
242 /* fpga configuration data - gzip compressed and generated by bin2c */
243 const unsigned char fpgadata[] =
244 {
245 #include "fpgadata.c"
246 };
247
248 /*
249  * include common fpga code (for esd boards)
250  */
251 #include "../common/fpga.c"
252
253
254 /* Prototypes */
255 int gunzip(void *, int, unsigned char *, unsigned long *);
256
257
258 /* logo bitmap data - gzip compressed and generated by bin2c */
259 unsigned char logo_bmp_320[] =
260 {
261 #include "logo_320_240_4bpp.c"
262 };
263
264 unsigned char logo_bmp_320_8bpp[] =
265 {
266 #include "logo_320_240_8bpp.c"
267 };
268
269 unsigned char logo_bmp_640[] =
270 {
271 #include "logo_640_480_24bpp.c"
272 };
273
274 unsigned char logo_bmp_1024[] =
275 {
276 #include "logo_1024_768_8bpp.c"
277 };
278
279
280 /*
281  * include common lcd code (for esd boards)
282  */
283 #include "../common/lcd.c"
284
285 #include "../common/s1d13704_320_240_4bpp.h"
286 #include "../common/s1d13705_320_240_8bpp.h"
287 #include "../common/s1d13806_640_480_16bpp.h"
288 #include "../common/s1d13806_1024_768_8bpp.h"
289
290
291 /*
292  * include common auto-update code (for esd boards)
293  */
294 #include "../common/auto_update.h"
295
296 au_image_t au_image[] = {
297         {"hh405/preinst.img", 0, -1, AU_SCRIPT},
298         {"hh405/u-boot.img", 0xfff80000, 0x00080000, AU_FIRMWARE},
299         {"hh405/pImage_${bd_type}", 0x00000000, 0x00100000, AU_NAND},
300         {"hh405/pImage.initrd", 0x00100000, 0x00200000, AU_NAND},
301         {"hh405/yaffsmt2.img", 0x00300000, 0x01c00000, AU_NAND},
302         {"hh405/postinst.img", 0, 0, AU_SCRIPT},
303 };
304
305 int N_AU_IMAGES = (sizeof(au_image) / sizeof(au_image[0]));
306
307
308 /*
309  * Get version of HH405 board from GPIO's
310  */
311 int board_revision(void)
312 {
313         unsigned long osrh_reg;
314         unsigned long isr1h_reg;
315         unsigned long tcr_reg;
316         unsigned long value;
317
318         /*
319          * Setup GPIO pins (BLAST/GPIO0 and GPIO9 as GPIO)
320          */
321         osrh_reg = in_be32((void *)GPIO0_OSRH);
322         isr1h_reg = in_be32((void *)GPIO0_ISR1H);
323         tcr_reg = in_be32((void *)GPIO0_TCR);
324         out_be32((void *)GPIO0_OSRH, osrh_reg & ~0xC0003000);     /* output select */
325         out_be32((void *)GPIO0_ISR1H, isr1h_reg | 0xC0003000);    /* input select  */
326         out_be32((void *)GPIO0_TCR, tcr_reg & ~0x80400000);       /* select input  */
327
328         udelay(1000);            /* wait some time before reading input */
329         value = in_be32((void *)GPIO0_IR) & 0x80400000;         /* get config bits */
330
331         /*
332          * Restore GPIO settings
333          */
334         out_be32((void *)GPIO0_OSRH, osrh_reg);                   /* output select */
335         out_be32((void *)GPIO0_ISR1H, isr1h_reg);                 /* input select  */
336         out_be32((void *)GPIO0_TCR, tcr_reg);  /* enable output driver for outputs */
337
338         if (value & 0x80000000) {
339                 /* Revision 1.0 or 1.1 detected */
340                 return 1;
341         } else {
342                 if (value & 0x00400000) {
343                         /* unused */
344                         return 3;
345                 } else {
346                         return 2;
347                 }
348         }
349 }
350
351
352 int board_early_init_f (void)
353 {
354         /*
355          * IRQ 0-15  405GP internally generated; active high; level sensitive
356          * IRQ 16    405GP internally generated; active low; level sensitive
357          * IRQ 17-24 RESERVED
358          * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
359          * IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
360          * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
361          * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
362          * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
363          * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
364          * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
365          */
366         mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */
367         mtdcr(uicer, 0x00000000);       /* disable all ints */
368         mtdcr(uiccr, 0x00000000);       /* set all to be non-critical*/
369         mtdcr(uicpr, CONFIG_SYS_UIC0_POLARITY);/* set int polarities */
370         mtdcr(uictr, 0x10000000);       /* set int trigger levels */
371         mtdcr(uicvcr, 0x00000001);      /* set vect base=0,INT0 highest priority*/
372         mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */
373
374         /*
375          * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
376          */
377         mtebc(epcr, 0xa8400000); /* ebc always driven */
378
379         return 0;
380 }
381
382 int cf_enable(void)
383 {
384         int i;
385
386         if (gd->board_type >= 2) {
387                 if (in_be16(FPGA_STATUS) & FPGA_STATUS_CF_DETECT) {
388                         if (!(in_be16(FPGA_CTRL) & FPGA_CTRL_CF_BUS_EN)) {
389                                 out_be16(FPGA_CTRL,
390                                          in_be16(FPGA_CTRL) & ~FPGA_CTRL_CF_PWRN);
391
392                                 for (i=0; i<300; i++)
393                                         udelay(1000);
394
395                                 out_be16(FPGA_CTRL,
396                                          in_be16(FPGA_CTRL) | FPGA_CTRL_CF_BUS_EN);
397
398                                 for (i=0; i<20; i++)
399                                         udelay(1000);
400                         }
401                 } else {
402                         out_be16(FPGA_CTRL,
403                                  in_be16(FPGA_CTRL) & ~FPGA_CTRL_CF_BUS_EN);
404                         out_be16(FPGA_CTRL,
405                                  in_be16(FPGA_CTRL) | FPGA_CTRL_CF_PWRN);
406                 }
407         }
408
409         return 0;
410 }
411
412 int misc_init_r (void)
413 {
414         unsigned char *dst;
415         ulong len = sizeof(fpgadata);
416         int status;
417         int index;
418         int i;
419         char *str;
420         unsigned long contrast0 = 0xffffffff;
421
422         dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
423         if (gunzip (dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
424                 printf ("GUNZIP ERROR - must RESET board to recover\n");
425                 do_reset (NULL, 0, 0, NULL);
426         }
427
428         status = fpga_boot(dst, len);
429         if (status != 0) {
430                 printf("\nFPGA: Booting failed ");
431                 switch (status) {
432                 case ERROR_FPGA_PRG_INIT_LOW:
433                         printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
434                         break;
435                 case ERROR_FPGA_PRG_INIT_HIGH:
436                         printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
437                         break;
438                 case ERROR_FPGA_PRG_DONE:
439                         printf("(Timeout: DONE not high after programming FPGA)\n ");
440                         break;
441                 }
442
443                 /* display infos on fpgaimage */
444                 index = 15;
445                 for (i=0; i<4; i++) {
446                         len = dst[index];
447                         printf("FPGA: %s\n", &(dst[index+1]));
448                         index += len+3;
449                 }
450                 putc ('\n');
451                 /* delayed reboot */
452                 for (i=20; i>0; i--) {
453                         printf("Rebooting in %2d seconds \r",i);
454                         for (index=0;index<1000;index++)
455                                 udelay(1000);
456                 }
457                 putc ('\n');
458                 do_reset(NULL, 0, 0, NULL);
459         }
460
461         puts("FPGA:  ");
462
463         /* display infos on fpgaimage */
464         index = 15;
465         for (i=0; i<4; i++) {
466                 len = dst[index];
467                 printf("%s ", &(dst[index+1]));
468                 index += len+3;
469         }
470         putc ('\n');
471
472         free(dst);
473
474         /*
475          * Reset FPGA via FPGA_INIT pin
476          */
477         /* setup FPGA_INIT as output */
478         out_be32((void *)GPIO0_TCR,
479                  in_be32((void *)GPIO0_TCR) | FPGA_INIT);
480         out_be32((void *)GPIO0_OR,
481                  in_be32((void *)GPIO0_OR) & ~FPGA_INIT);  /* reset low */
482         udelay(1000); /* wait 1ms */
483         out_be32((void *)GPIO0_OR,
484                  in_be32((void *)GPIO0_OR) | FPGA_INIT);   /* reset high */
485         udelay(1000); /* wait 1ms */
486
487         /*
488          * Write Board revision into FPGA
489          */
490         out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) | (gd->board_type & 0x0003));
491
492         /*
493          * Setup and enable EEPROM write protection
494          */
495         out_be32((void *)GPIO0_OR,
496                  in_be32((void *)GPIO0_OR) | CONFIG_SYS_EEPROM_WP);
497
498         /*
499          * Reset touch-screen controller
500          */
501         out_be32((void *)GPIO0_OR,
502                  in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_TOUCH_RST);
503         udelay(1000);
504         out_be32((void *)GPIO0_OR,
505                  in_be32((void *)GPIO0_OR) | CONFIG_SYS_TOUCH_RST);
506
507         /*
508          * Enable power on PS/2 interface (with reset)
509          */
510         out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) & ~FPGA_CTRL_PS2_PWR);
511         for (i=0;i<500;i++)
512                 udelay(1000);
513         out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) | FPGA_CTRL_PS2_PWR);
514
515         /*
516          * Get contrast value from environment variable
517          */
518         str = getenv("contrast0");
519         if (str) {
520                 contrast0 = simple_strtol(str, NULL, 16);
521                 if (contrast0 > 255) {
522                         printf("ERROR: contrast0 value too high (0x%lx)!\n",
523                                contrast0);
524                         contrast0 = 0xffffffff;
525                 }
526         }
527
528         /*
529          * Init lcd interface and display logo
530          */
531
532         str = getenv("bd_type");
533         if (strcmp(str, "ppc230") == 0) {
534                 /*
535                  * Switch backlight on
536                  */
537                 out_be16(FPGA_CTRL,
538                          in_be16(FPGA_CTRL) | FPGA_CTRL_VGA0_BL);
539                 out_be16(FPGA_BL, 0x0000);
540
541                 lcd_setup(1, 0);
542                 lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM,
543                          regs_13806_1024_768_8bpp,
544                          sizeof(regs_13806_1024_768_8bpp)/sizeof(regs_13806_1024_768_8bpp[0]),
545                          logo_bmp_1024, sizeof(logo_bmp_1024));
546         } else if (strcmp(str, "ppc220") == 0) {
547                 /*
548                  * Switch backlight on
549                  */
550                 out_be16(FPGA_CTRL,
551                          in_be16(FPGA_CTRL) & ~FPGA_CTRL_VGA0_BL);
552                 out_be16(FPGA_BL, 0x0000);
553
554                 lcd_setup(1, 0);
555                 lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM,
556                          regs_13806_640_480_16bpp,
557                          sizeof(regs_13806_640_480_16bpp)/sizeof(regs_13806_640_480_16bpp[0]),
558                          logo_bmp_640, sizeof(logo_bmp_640));
559         } else if (strcmp(str, "ppc215") == 0) {
560                 /*
561                  * Set default display contrast voltage
562                  */
563                 if (contrast0 == 0xffffffff) {
564                         out_be16(FPGA_CTR, 0x0082);
565                 } else {
566                         out_be16(FPGA_CTR, contrast0);
567                 }
568                 out_be16(FPGA_BL, 0xffff);
569                 /*
570                  * Switch backlight on
571                  */
572                 out_be16(FPGA_CTRL,
573                          in_be16(FPGA_CTRL) |
574                          FPGA_CTRL_VGA0_BL |
575                          FPGA_CTRL_VGA0_BL_MODE);
576                 /*
577                  * Set lcd clock (small epson)
578                  */
579                 out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) | LCD_CLK_06250);
580                 udelay(100);               /* wait for 100 us */
581
582                 lcd_setup(0, 1);
583                 lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM,
584                          regs_13705_320_240_8bpp,
585                          sizeof(regs_13705_320_240_8bpp)/sizeof(regs_13705_320_240_8bpp[0]),
586                          logo_bmp_320_8bpp, sizeof(logo_bmp_320_8bpp));
587         } else if (strcmp(str, "ppc210") == 0) {
588                 /*
589                  * Set default display contrast voltage
590                  */
591                 if (contrast0 == 0xffffffff) {
592                         out_be16(FPGA_CTR, 0x0060);
593                 } else {
594                         out_be16(FPGA_CTR, contrast0);
595                 }
596                 out_be16(FPGA_BL, 0xffff);
597                 /*
598                  * Switch backlight on
599                  */
600                 out_be16(FPGA_CTRL,
601                          in_be16(FPGA_CTRL) |
602                          FPGA_CTRL_VGA0_BL |
603                          FPGA_CTRL_VGA0_BL_MODE);
604                 /*
605                  * Set lcd clock (small epson), enable 1-wire interface
606                  */
607                 out_be16(FPGA_CTRL,
608                          in_be16(FPGA_CTRL) |
609                          LCD_CLK_08330 |
610                          FPGA_CTRL_OW_ENABLE);
611
612                 lcd_setup(0, 1);
613                 lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM,
614                          regs_13704_320_240_4bpp,
615                          sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]),
616                          logo_bmp_320, sizeof(logo_bmp_320));
617 #ifdef CONFIG_VIDEO_SM501
618         } else {
619                 pci_dev_t devbusfn;
620
621                 /*
622                  * Is SM501 connected (ppc221/ppc231)?
623                  */
624                 devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
625                 if (devbusfn != -1) {
626                         puts("VGA:   SM501 with 8 MB ");
627                         if (strcmp(str, "ppc221") == 0) {
628                                 printf("(800*600, %dbpp)\n", BPP);
629                                 out_be16(FPGA_BL, 0x002d); /* max. allowed brightness */
630                         } else if (strcmp(str, "ppc231") == 0) {
631                                 printf("(1024*768, %dbpp)\n", BPP);
632                                 out_be16(FPGA_BL, 0x0000);
633                         } else {
634                                 printf("Unsupported bd_type defined (%s) -> No display configured!\n", str);
635                                 return 0;
636                         }
637                 } else {
638                         printf("Unsupported bd_type defined (%s) -> No display configured!\n", str);
639                         return 0;
640                 }
641 #endif /* CONFIG_VIDEO_SM501 */
642         }
643
644         cf_enable();
645
646         return (0);
647 }
648
649
650 /*
651  * Check Board Identity:
652  */
653
654 int checkboard (void)
655 {
656         char str[64];
657         int i = getenv_r ("serial#", str, sizeof(str));
658
659         puts ("Board: ");
660
661         if (i == -1) {
662                 puts ("### No HW ID - assuming HH405");
663         } else {
664                 puts(str);
665         }
666
667         if (getenv_r("bd_type", str, sizeof(str)) != -1) {
668                 printf(" (%s", str);
669         } else {
670                 puts(" (Missing bd_type!");
671         }
672
673         gd->board_type = board_revision();
674         printf(", Rev %ld.x)\n", gd->board_type);
675
676         return 0;
677 }
678
679 #ifdef CONFIG_IDE_RESET
680 void ide_set_reset(int on)
681 {
682         if (((gd->board_type >= 2) &&
683              (in_be16(FPGA_STATUS) & FPGA_STATUS_CF_DETECT)) ||
684             (gd->board_type < 2)) {
685                 /*
686                  * Assert or deassert CompactFlash Reset Pin
687                  */
688                 if (on) {               /* assert RESET */
689                         cf_enable();
690                         out_be16(FPGA_CTRL,
691                                  in_be16(FPGA_CTRL) &
692                                  ~FPGA_CTRL_CF_RESET);
693                 } else {                /* release RESET */
694                         out_be16(FPGA_CTRL,
695                                  in_be16(FPGA_CTRL) |
696                                  FPGA_CTRL_CF_RESET);
697                 }
698         }
699 }
700 #endif /* CONFIG_IDE_RESET */
701
702
703 #if defined(CONFIG_SYS_EEPROM_WREN)
704 /* Input: <dev_addr>  I2C address of EEPROM device to enable.
705  *         <state>     -1: deliver current state
706  *                     0: disable write
707  *                     1: enable write
708  *  Returns:           -1: wrong device address
709  *                      0: dis-/en- able done
710  *                   0/1: current state if <state> was -1.
711  */
712 int eeprom_write_enable (unsigned dev_addr, int state)
713 {
714         if (CONFIG_SYS_I2C_EEPROM_ADDR != dev_addr) {
715                 return -1;
716         } else {
717                 switch (state) {
718                 case 1:
719                         /* Enable write access, clear bit GPIO_SINT2. */
720                         out_be32((void *)GPIO0_OR,
721                                  in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_EEPROM_WP);
722                         state = 0;
723                         break;
724                 case 0:
725                         /* Disable write access, set bit GPIO_SINT2. */
726                         out_be32((void *)GPIO0_OR,
727                                  in_be32((void *)GPIO0_OR) | CONFIG_SYS_EEPROM_WP);
728                         state = 0;
729                         break;
730                 default:
731                         /* Read current status back. */
732                         state = (0 == (in_be32((void *)GPIO0_OR) &
733                                        CONFIG_SYS_EEPROM_WP));
734                         break;
735                 }
736         }
737         return state;
738 }
739
740 int do_eep_wren (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
741 {
742         int query = argc == 1;
743         int state = 0;
744
745         if (query) {
746                 /* Query write access state. */
747                 state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, -1);
748                 if (state < 0) {
749                         puts ("Query of write access state failed.\n");
750                 } else {
751                         printf ("Write access for device 0x%0x is %sabled.\n",
752                                 CONFIG_SYS_I2C_EEPROM_ADDR, state ? "en" : "dis");
753                         state = 0;
754                 }
755         } else {
756                 if ('0' == argv[1][0]) {
757                         /* Disable write access. */
758                         state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 0);
759                 } else {
760                         /* Enable write access. */
761                         state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 1);
762                 }
763                 if (state < 0) {
764                         puts ("Setup of write access state failed.\n");
765                 }
766         }
767
768         return state;
769 }
770
771 U_BOOT_CMD(eepwren,     2,      0,      do_eep_wren,
772         "Enable / disable / query EEPROM write access",
773         ""
774 );
775 #endif /* #if defined(CONFIG_SYS_EEPROM_WREN) */
776
777
778 #ifdef CONFIG_VIDEO_SM501
779 #ifdef CONFIG_CONSOLE_EXTRA_INFO
780 /*
781  * Return text to be printed besides the logo.
782  */
783 void video_get_info_str (int line_number, char *info)
784 {
785         char str[64];
786         char str2[64];
787         int i = getenv_r("serial#", str2, sizeof(str));
788
789         if (line_number == 1) {
790                 sprintf(str, " Board: ");
791
792                 if (i == -1) {
793                         strcat(str, "### No HW ID - assuming HH405");
794                 } else {
795                         strcat(str, str2);
796                 }
797
798                 if (getenv_r("bd_type", str2, sizeof(str2)) != -1) {
799                         strcat(str, " (");
800                         strcat(str, str2);
801                 } else {
802                         strcat(str, " (Missing bd_type!");
803                 }
804
805                 sprintf(str2, ", Rev %ld.x)", gd->board_type);
806                 strcat(str, str2);
807                 strcpy(info, str);
808         } else {
809                 info [0] = '\0';
810         }
811 }
812 #endif /* CONFIG_CONSOLE_EXTRA_INFO */
813
814 /*
815  * Returns SM501 register base address. First thing called in the driver.
816  */
817 unsigned int board_video_init (void)
818 {
819         pci_dev_t devbusfn;
820         u32 addr;
821
822         /*
823          * Is SM501 connected (ppc221/ppc231)?
824          */
825         devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
826         if (devbusfn != -1) {
827                 pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_1, (u32 *)&addr);
828                 return (addr & 0xfffffffe);
829         }
830
831         return 0;
832 }
833
834 /*
835  * Returns SM501 framebuffer address
836  */
837 unsigned int board_video_get_fb (void)
838 {
839         pci_dev_t devbusfn;
840         u32 addr;
841
842         /*
843          * Is SM501 connected (ppc221/ppc231)?
844          */
845         devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
846         if (devbusfn != -1) {
847                 pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_0, (u32 *)&addr);
848                 addr &= 0xfffffffe;
849 #ifdef CONFIG_VIDEO_SM501_FBMEM_OFFSET
850                 addr += CONFIG_VIDEO_SM501_FBMEM_OFFSET;
851 #endif
852                 return addr;
853         }
854
855         return 0;
856 }
857
858 /*
859  * Called after initializing the SM501 and before clearing the screen.
860  */
861 void board_validate_screen (unsigned int base)
862 {
863 }
864
865 /*
866  * Return a pointer to the initialization sequence.
867  */
868 const SMI_REGS *board_get_regs (void)
869 {
870         char *str;
871
872         str = getenv("bd_type");
873         if (strcmp(str, "ppc221") == 0) {
874                 return init_regs_800x600;
875         } else {
876                 return init_regs_1024x768;
877         }
878 }
879
880 int board_get_width (void)
881 {
882         char *str;
883
884         str = getenv("bd_type");
885         if (strcmp(str, "ppc221") == 0) {
886                 return 800;
887         } else {
888                 return 1024;
889         }
890 }
891
892 int board_get_height (void)
893 {
894         char *str;
895
896         str = getenv("bd_type");
897         if (strcmp(str, "ppc221") == 0) {
898                 return 600;
899         } else {
900                 return 768;
901         }
902 }
903
904 #endif /* CONFIG_VIDEO_SM501 */
905
906
907 void reset_phy(void)
908 {
909 #ifdef CONFIG_LXT971_NO_SLEEP
910
911         /*
912          * Disable sleep mode in LXT971
913          */
914         lxt971_no_sleep();
915 #endif
916 }