4 * Frank Gottschling <fgottschling@eltec.de>
6 * Board specific routines for the miniHiPerCam
8 * - initialisation (eeprom)
10 * - serial io initialisation
11 * - ethernet io initialisation
13 * -----------------------------------------------------------------
14 * SPDX-License-Identifier: GPL-2.0+
17 #include <linux/ctype.h>
22 extern void eeprom_init (void);
23 extern int eeprom_read (unsigned dev_addr, unsigned offset,
24 unsigned char *buffer, unsigned cnt);
25 extern int eeprom_write (unsigned dev_addr, unsigned offset,
26 unsigned char *buffer, unsigned cnt);
29 void *video_hw_init (void);
30 void video_set_lut (unsigned int index, /* color number */
31 unsigned char r, /* red */
32 unsigned char g, /* green */
33 unsigned char b /* blue */
39 static void video_circle (char *center, int radius, int color, int pitch);
40 static void video_test_image (void);
41 static void video_default_lut (unsigned int clut_type);
43 /* revision info foer MHPC EEPROM offset 480 */
45 char board[12]; /* 000 - Board Revision information */
46 char sensor; /* 012 - Sensor Type information */
47 char serial[8]; /* 013 - Board serial number */
48 char etheraddr[6]; /* 021 - Ethernet node addresse */
49 char revision[2]; /* 027 - Revision code */
50 char option[3]; /* 029 - resevered for options */
53 /* ------------------------------------------------------------------------- */
55 static const unsigned int sdram_table[] = {
56 /* read single beat cycle */
57 0xef0efc04, 0x0e2dac04, 0x01ba5c04, 0x1ff5fc00,
58 0xfffffc05, 0xeffafc34, 0x0ff0bc34, 0x1ff57c35,
60 /* read burst cycle */
61 0xef0efc04, 0x0e3dac04, 0x10ff5c04, 0xf0fffc00,
62 0xf0fffc00, 0xf1fffc00, 0xfffffc00, 0xfffffc05,
63 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
64 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
66 /* write single beat cycle */
67 0xef0efc04, 0x0e29ac00, 0x01b25c04, 0x1ff5fc05,
68 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
70 /* write burst cycle */
71 0xef0ef804, 0x0e39a000, 0x10f75000, 0xf0fff440,
72 0xf0fffc40, 0xf1fffc04, 0xfffffc05, 0xfffffc04,
73 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
74 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
76 /* periodic timer expired */
77 0xeffebc84, 0x1ffd7c04, 0xfffffc04, 0xfffffc84,
78 0xeffebc04, 0x1ffd7c04, 0xfffffc04, 0xfffffc05,
79 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
82 0xfffffc04, 0xfffffc05, 0xfffffc04, 0xfffffc04
85 /* ------------------------------------------------------------------------- */
87 int board_early_init_f (void)
89 volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
90 volatile cpm8xx_t *cp = &(im->im_cpm);
91 volatile iop8xx_t *ip = (iop8xx_t *) & (im->im_ioport);
93 /* reset the port A s.a. cpm-routines */
94 ip->iop_padat = 0x0000;
95 ip->iop_papar = 0x0000;
96 ip->iop_padir = 0x0800;
97 ip->iop_paodr = 0x0000;
99 /* reset the port B for digital and LCD output */
100 cp->cp_pbdat = 0x0300;
101 cp->cp_pbpar = 0x5001;
102 cp->cp_pbdir = 0x5301;
103 cp->cp_pbodr = 0x0000;
105 /* reset the port C configured for SMC1 serial port and aqc. control */
106 ip->iop_pcdat = 0x0800;
107 ip->iop_pcpar = 0x0000;
108 ip->iop_pcdir = 0x0e30;
109 ip->iop_pcso = 0x0000;
111 /* Config port D for LCD output */
112 ip->iop_pdpar = 0x1fff;
113 ip->iop_pddir = 0x1fff;
118 /* ------------------------------------------------------------------------- */
121 * Check Board Identity
123 int checkboard (void)
125 puts ("Board: ELTEC miniHiperCam\n");
129 /* ------------------------------------------------------------------------- */
131 int misc_init_r (void)
135 char *mhpcSensorTypes[] = { "OMNIVISON OV7610/7620 color",
136 "OMNIVISON OV7110 b&w", NULL
138 char hex[23] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0,
139 0, 0, 0, 0, 10, 11, 12, 13, 14, 15
143 /* check revision data */
144 eeprom_read (CONFIG_SYS_I2C_EEPROM_ADDR, 480, (uchar *) &mhpcRevInfo, 32);
146 if (strncmp ((char *) &mhpcRevInfo.board[2], "MHPC", 4) != 0) {
147 printf ("Enter revision number (0-9): %c ",
148 mhpcRevInfo.revision[0]);
149 if (0 != readline (NULL)) {
150 mhpcRevInfo.revision[0] =
151 (char) toupper (console_buffer[0]);
154 printf ("Enter revision character (A-Z): %c ",
155 mhpcRevInfo.revision[1]);
156 if (1 == readline (NULL)) {
157 mhpcRevInfo.revision[1] =
158 (char) toupper (console_buffer[0]);
161 printf ("Enter board name (V-XXXX-XXXX): %s ",
162 (char *) &mhpcRevInfo.board);
163 if (11 == readline (NULL)) {
164 for (i = 0; i < 11; i++) {
165 mhpcRevInfo.board[i] =
166 (char) toupper (console_buffer[i]);
167 mhpcRevInfo.board[11] = '\0';
171 printf ("Supported sensor types:\n");
174 printf ("\n \'%d\' : %s\n", i, mhpcSensorTypes[i]);
175 } while (mhpcSensorTypes[++i] != NULL);
178 printf ("\nEnter sensor number (0-255): %d ",
179 (int) mhpcRevInfo.sensor);
180 if (0 != readline (NULL)) {
183 simple_strtoul (console_buffer, NULL,
186 } while (mhpcRevInfo.sensor >= i);
188 printf ("Enter serial number: %s ",
189 (char *) &mhpcRevInfo.serial);
190 if (6 == readline (NULL)) {
191 for (i = 0; i < 6; i++) {
192 mhpcRevInfo.serial[i] = console_buffer[i];
194 mhpcRevInfo.serial[6] = '\0';
197 printf ("Enter ether node ID with leading zero (HEX): %02x%02x%02x%02x%02x%02x ", mhpcRevInfo.etheraddr[0], mhpcRevInfo.etheraddr[1], mhpcRevInfo.etheraddr[2], mhpcRevInfo.etheraddr[3], mhpcRevInfo.etheraddr[4], mhpcRevInfo.etheraddr[5]);
198 if (12 == readline (NULL)) {
199 for (i = 0; i < 12; i += 2) {
200 mhpcRevInfo.etheraddr[i >> 1] =
203 (console_buffer[i]) -
206 (console_buffer[i + 1]) -
211 /* setup new revision data */
212 eeprom_write (CONFIG_SYS_I2C_EEPROM_ADDR, 480, (uchar *) &mhpcRevInfo,
216 /* set environment */
217 sprintf (nid, "%02x:%02x:%02x:%02x:%02x:%02x",
218 mhpcRevInfo.etheraddr[0], mhpcRevInfo.etheraddr[1],
219 mhpcRevInfo.etheraddr[2], mhpcRevInfo.etheraddr[3],
220 mhpcRevInfo.etheraddr[4], mhpcRevInfo.etheraddr[5]);
221 setenv ("ethaddr", nid);
223 /* print actual board identification */
224 printf ("Ident: %s %s Ser %s Rev %c%c\n",
226 (mhpcRevInfo.sensor == 0 ? "color" : "b&w"),
227 (char *) &mhpcRevInfo.serial, mhpcRevInfo.revision[0],
228 mhpcRevInfo.revision[1]);
233 /* ------------------------------------------------------------------------- */
235 phys_size_t initdram (int board_type)
237 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
238 volatile memctl8xx_t *memctl = &immap->im_memctl;
240 upmconfig (UPMA, (uint *) sdram_table,
241 sizeof (sdram_table) / sizeof (uint));
243 memctl->memc_mamr = CONFIG_SYS_MAMR & (~(MAMR_PTAE)); /* no refresh yet */
244 memctl->memc_mbmr = MBMR_GPL_B4DIS; /* should this be mamr? - NTL */
245 memctl->memc_mptpr = MPTPR_PTP_DIV64;
246 memctl->memc_mar = 0x00008800;
249 * Map controller SDRAM bank 0
251 memctl->memc_or1 = CONFIG_SYS_OR1_PRELIM;
252 memctl->memc_br1 = CONFIG_SYS_BR1_PRELIM;
256 * Map controller SDRAM bank 1
258 memctl->memc_or2 = CONFIG_SYS_OR2;
259 memctl->memc_br2 = CONFIG_SYS_BR2;
262 * Perform SDRAM initializsation sequence
264 memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */
266 memctl->memc_mcr = 0x80002730; /* SDRAM bank 0 - execute twice */
268 memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
272 /* leave place for framebuffers */
273 return (SDRAM_MAX_SIZE - SDRAM_RES_SIZE);
276 /* ------------------------------------------------------------------------- */
278 static void video_circle (char *center, int radius, int color, int pitch)
280 int x, y, d, dE, dSE;
286 dSE = -2 * radius + 5;
288 *(center + x + y * pitch) = color;
289 *(center + y + x * pitch) = color;
290 *(center + y - x * pitch) = color;
291 *(center + x - y * pitch) = color;
292 *(center - x - y * pitch) = color;
293 *(center - y - x * pitch) = color;
294 *(center - y + x * pitch) = color;
295 *(center - x + y * pitch) = color;
309 *(center + x + y * pitch) = color;
310 *(center + y + x * pitch) = color;
311 *(center + y - x * pitch) = color;
312 *(center + x - y * pitch) = color;
313 *(center - x - y * pitch) = color;
314 *(center - y - x * pitch) = color;
315 *(center - y + x * pitch) = color;
316 *(center - x + y * pitch) = color;
320 /* ------------------------------------------------------------------------- */
322 static void video_test_image (void)
328 for (i = 0; i < LCD_VIDEO_ROWS; i += 32) {
329 memset ((char *) (LCD_VIDEO_ADDR + i * LCD_VIDEO_COLS),
330 LCD_VIDEO_FG, LCD_VIDEO_COLS);
331 for (n = i + 1; n < i + 32; n++)
332 memset ((char *) (LCD_VIDEO_ADDR +
333 n * LCD_VIDEO_COLS), LCD_VIDEO_BG,
337 for (i = 0; i < LCD_VIDEO_COLS; i += 32) {
338 for (n = 0; n < LCD_VIDEO_ROWS; n++)
339 *(char *) (LCD_VIDEO_ADDR + n * LCD_VIDEO_COLS + i) =
344 di = (char *) (LCD_VIDEO_ADDR + (LCD_VIDEO_COLS - 256) / 64 * 32 +
345 97 * LCD_VIDEO_COLS);
346 for (n = 0; n < 63; n++) {
347 for (i = 0; i < 256; i++) {
349 *(di + LCD_VIDEO_COLS * 64) = (i & 1) * 255;
351 di += LCD_VIDEO_COLS - 256;
354 video_circle ((char *) LCD_VIDEO_ADDR + LCD_VIDEO_COLS / 2 +
355 LCD_VIDEO_ROWS / 2 * LCD_VIDEO_COLS, LCD_VIDEO_ROWS / 2,
356 LCD_VIDEO_FG, LCD_VIDEO_COLS);
359 /* ------------------------------------------------------------------------- */
361 static void video_default_lut (unsigned int clut_type)
364 unsigned char RGB[] = {
365 0x00, 0x00, 0x00, /* black */
366 0x80, 0x80, 0x80, /* gray */
367 0xff, 0x00, 0x00, /* red */
368 0x00, 0xff, 0x00, /* green */
369 0x00, 0x00, 0xff, /* blue */
370 0x00, 0xff, 0xff, /* cyan */
371 0xff, 0x00, 0xff, /* magenta */
372 0xff, 0xff, 0x00, /* yellow */
373 0x80, 0x00, 0x00, /* dark red */
374 0x00, 0x80, 0x00, /* dark green */
375 0x00, 0x00, 0x80, /* dark blue */
376 0x00, 0x80, 0x80, /* dark cyan */
377 0x80, 0x00, 0x80, /* dark magenta */
378 0x80, 0x80, 0x00, /* dark yellow */
379 0xc0, 0xc0, 0xc0, /* light gray */
380 0xff, 0xff, 0xff, /* white */
385 for (i = 0; i < 240; i++)
386 video_set_lut (i, i, i, i);
387 for (i = 0; i < 16; i++)
388 video_set_lut (i + 240, RGB[i * 3], RGB[i * 3 + 1],
392 for (i = 0; i < 256; i++)
393 video_set_lut (i, i, i, i);
397 /* ------------------------------------------------------------------------- */
399 void *video_hw_init (void)
401 unsigned int clut = 0;
403 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
405 /* enable video only on CLUT value */
406 if ((penv = (uchar *)getenv ("clut")) != NULL)
407 clut = (u_int) simple_strtoul ((char *)penv, NULL, 10);
411 /* disable graphic before write LCD regs. */
412 immr->im_lcd.lcd_lccr = 0x96000866;
414 /* config LCD regs. */
415 immr->im_lcd.lcd_lcfaa = LCD_VIDEO_ADDR;
416 immr->im_lcd.lcd_lchcr = 0x010a0093;
417 immr->im_lcd.lcd_lcvcr = 0x900f0024;
419 printf ("Video: 640x480 8Bit Index Lut %s\n",
420 (clut == 1 ? "240/16 (gray/vga)" : "256(gray)"));
422 video_default_lut (clut);
424 /* clear framebuffer */
425 memset ((char *) (LCD_VIDEO_ADDR), LCD_VIDEO_BG,
426 LCD_VIDEO_ROWS * LCD_VIDEO_COLS);
429 immr->im_lcd.lcd_lccr = 0x96000867;
431 /* fill in Graphic Device */
432 gdev.frameAdrs = LCD_VIDEO_ADDR;
433 gdev.winSizeX = LCD_VIDEO_COLS;
434 gdev.winSizeY = LCD_VIDEO_ROWS;
436 gdev.gdfIndex = GDF__8BIT_INDEX;
439 /* return Graphic Device for console */
440 return (void *) &gdev;
442 /* just graphic enabled - draw something beautiful */
445 return NULL; /* this disabels cfb - console */
448 /* ------------------------------------------------------------------------- */
450 void video_set_lut (unsigned int index,
451 unsigned char r, unsigned char g, unsigned char b)
454 unsigned short *pLut = (unsigned short *) (CONFIG_SYS_IMMR + 0x0e00);
456 /* 16 bit lut values, 12 bit used, xxxx BBGG RRii iiii */
457 /* y = 0.299*R + 0.587*G + 0.114*B */
458 lum = (2990 * r + 5870 * g + 1140 * b) / 10000;
460 ((b & 0xc0) << 4) | ((g & 0xc0) << 2) | (r & 0xc0) | (lum &
464 /* ------------------------------------------------------------------------- */