/* * (C) Copyright 2001 * ELTEC Elektronik AG * Frank Gottschling <fgottschling@eltec.de> * * Board specific routines for the miniHiPerCam * * - initialisation (eeprom) * - memory controller * - serial io initialisation * - ethernet io initialisation * * ----------------------------------------------------------------- * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include <common.h> #include <linux/ctype.h> #include <commproc.h> #include "mpc8xx.h" #include <video_fb.h> /* imports from common/main.c */ extern char console_buffer[CONFIG_SYS_CBSIZE]; extern void eeprom_init (void); extern int eeprom_read (unsigned dev_addr, unsigned offset, unsigned char *buffer, unsigned cnt); extern int eeprom_write (unsigned dev_addr, unsigned offset, unsigned char *buffer, unsigned cnt); /* globals */ void *video_hw_init (void); void video_set_lut (unsigned int index, /* color number */ unsigned char r, /* red */ unsigned char g, /* green */ unsigned char b /* blue */ ); GraphicDevice gdev; /* locals */ static void video_circle (char *center, int radius, int color, int pitch); static void video_test_image (void); static void video_default_lut (unsigned int clut_type); /* revision info foer MHPC EEPROM offset 480 */ typedef struct { char board[12]; /* 000 - Board Revision information */ char sensor; /* 012 - Sensor Type information */ char serial[8]; /* 013 - Board serial number */ char etheraddr[6]; /* 021 - Ethernet node addresse */ char revision[2]; /* 027 - Revision code */ char option[3]; /* 029 - resevered for options */ } revinfo; /* ------------------------------------------------------------------------- */ static const unsigned int sdram_table[] = { /* read single beat cycle */ 0xef0efc04, 0x0e2dac04, 0x01ba5c04, 0x1ff5fc00, 0xfffffc05, 0xeffafc34, 0x0ff0bc34, 0x1ff57c35, /* read burst cycle */ 0xef0efc04, 0x0e3dac04, 0x10ff5c04, 0xf0fffc00, 0xf0fffc00, 0xf1fffc00, 0xfffffc00, 0xfffffc05, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, /* write single beat cycle */ 0xef0efc04, 0x0e29ac00, 0x01b25c04, 0x1ff5fc05, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, /* write burst cycle */ 0xef0ef804, 0x0e39a000, 0x10f75000, 0xf0fff440, 0xf0fffc40, 0xf1fffc04, 0xfffffc05, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, /* periodic timer expired */ 0xeffebc84, 0x1ffd7c04, 0xfffffc04, 0xfffffc84, 0xeffebc04, 0x1ffd7c04, 0xfffffc04, 0xfffffc05, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, /* exception */ 0xfffffc04, 0xfffffc05, 0xfffffc04, 0xfffffc04 }; /* ------------------------------------------------------------------------- */ int board_early_init_f (void) { volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; volatile cpm8xx_t *cp = &(im->im_cpm); volatile iop8xx_t *ip = (iop8xx_t *) & (im->im_ioport); /* reset the port A s.a. cpm-routines */ ip->iop_padat = 0x0000; ip->iop_papar = 0x0000; ip->iop_padir = 0x0800; ip->iop_paodr = 0x0000; /* reset the port B for digital and LCD output */ cp->cp_pbdat = 0x0300; cp->cp_pbpar = 0x5001; cp->cp_pbdir = 0x5301; cp->cp_pbodr = 0x0000; /* reset the port C configured for SMC1 serial port and aqc. control */ ip->iop_pcdat = 0x0800; ip->iop_pcpar = 0x0000; ip->iop_pcdir = 0x0e30; ip->iop_pcso = 0x0000; /* Config port D for LCD output */ ip->iop_pdpar = 0x1fff; ip->iop_pddir = 0x1fff; return (0); } /* ------------------------------------------------------------------------- */ /* * Check Board Identity */ int checkboard (void) { puts ("Board: ELTEC miniHiperCam\n"); return (0); } /* ------------------------------------------------------------------------- */ int misc_init_r (void) { revinfo mhpcRevInfo; char nid[32]; char *mhpcSensorTypes[] = { "OMNIVISON OV7610/7620 color", "OMNIVISON OV7110 b&w", NULL }; char hex[23] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, 0, 10, 11, 12, 13, 14, 15 }; int i; /* check revision data */ eeprom_read (CONFIG_SYS_I2C_EEPROM_ADDR, 480, (uchar *) &mhpcRevInfo, 32); if (strncmp ((char *) &mhpcRevInfo.board[2], "MHPC", 4) != 0) { printf ("Enter revision number (0-9): %c ", mhpcRevInfo.revision[0]); if (0 != readline (NULL)) { mhpcRevInfo.revision[0] = (char) toupper (console_buffer[0]); } printf ("Enter revision character (A-Z): %c ", mhpcRevInfo.revision[1]); if (1 == readline (NULL)) { mhpcRevInfo.revision[1] = (char) toupper (console_buffer[0]); } printf ("Enter board name (V-XXXX-XXXX): %s ", (char *) &mhpcRevInfo.board); if (11 == readline (NULL)) { for (i = 0; i < 11; i++) { mhpcRevInfo.board[i] = (char) toupper (console_buffer[i]); mhpcRevInfo.board[11] = '\0'; } } printf ("Supported sensor types:\n"); i = 0; do { printf ("\n \'%d\' : %s\n", i, mhpcSensorTypes[i]); } while (mhpcSensorTypes[++i] != NULL); do { printf ("\nEnter sensor number (0-255): %d ", (int) mhpcRevInfo.sensor); if (0 != readline (NULL)) { mhpcRevInfo.sensor = (unsigned char) simple_strtoul (console_buffer, NULL, 10); } } while (mhpcRevInfo.sensor >= i); printf ("Enter serial number: %s ", (char *) &mhpcRevInfo.serial); if (6 == readline (NULL)) { for (i = 0; i < 6; i++) { mhpcRevInfo.serial[i] = console_buffer[i]; } mhpcRevInfo.serial[6] = '\0'; } 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]); if (12 == readline (NULL)) { for (i = 0; i < 12; i += 2) { mhpcRevInfo.etheraddr[i >> 1] = (char) (16 * hex[toupper (console_buffer[i]) - '0'] + hex[toupper (console_buffer[i + 1]) - '0']); } } /* setup new revision data */ eeprom_write (CONFIG_SYS_I2C_EEPROM_ADDR, 480, (uchar *) &mhpcRevInfo, 32); } /* set environment */ sprintf (nid, "%02x:%02x:%02x:%02x:%02x:%02x", mhpcRevInfo.etheraddr[0], mhpcRevInfo.etheraddr[1], mhpcRevInfo.etheraddr[2], mhpcRevInfo.etheraddr[3], mhpcRevInfo.etheraddr[4], mhpcRevInfo.etheraddr[5]); setenv ("ethaddr", nid); /* print actual board identification */ printf ("Ident: %s %s Ser %s Rev %c%c\n", mhpcRevInfo.board, (mhpcRevInfo.sensor == 0 ? "color" : "b&w"), (char *) &mhpcRevInfo.serial, mhpcRevInfo.revision[0], mhpcRevInfo.revision[1]); return (0); } /* ------------------------------------------------------------------------- */ phys_size_t initdram (int board_type) { volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; volatile memctl8xx_t *memctl = &immap->im_memctl; upmconfig (UPMA, (uint *) sdram_table, sizeof (sdram_table) / sizeof (uint)); memctl->memc_mamr = CONFIG_SYS_MAMR & (~(MAMR_PTAE)); /* no refresh yet */ memctl->memc_mbmr = MBMR_GPL_B4DIS; /* should this be mamr? - NTL */ memctl->memc_mptpr = MPTPR_PTP_DIV64; memctl->memc_mar = 0x00008800; /* * Map controller SDRAM bank 0 */ memctl->memc_or1 = CONFIG_SYS_OR1_PRELIM; memctl->memc_br1 = CONFIG_SYS_BR1_PRELIM; udelay (200); /* * Map controller SDRAM bank 1 */ memctl->memc_or2 = CONFIG_SYS_OR2; memctl->memc_br2 = CONFIG_SYS_BR2; /* * Perform SDRAM initializsation sequence */ memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */ udelay (1); memctl->memc_mcr = 0x80002730; /* SDRAM bank 0 - execute twice */ udelay (1); memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ udelay (10000); /* leave place for framebuffers */ return (SDRAM_MAX_SIZE - SDRAM_RES_SIZE); } /* ------------------------------------------------------------------------- */ static void video_circle (char *center, int radius, int color, int pitch) { int x, y, d, dE, dSE; x = 0; y = radius; d = 1 - radius; dE = 3; dSE = -2 * radius + 5; *(center + x + y * pitch) = color; *(center + y + x * pitch) = color; *(center + y - x * pitch) = color; *(center + x - y * pitch) = color; *(center - x - y * pitch) = color; *(center - y - x * pitch) = color; *(center - y + x * pitch) = color; *(center - x + y * pitch) = color; while (y > x) { if (d < 0) { d += dE; dE += 2; dSE += 2; x++; } else { d += dSE; dE += 2; dSE += 4; x++; y--; } *(center + x + y * pitch) = color; *(center + y + x * pitch) = color; *(center + y - x * pitch) = color; *(center + x - y * pitch) = color; *(center - x - y * pitch) = color; *(center - y - x * pitch) = color; *(center - y + x * pitch) = color; *(center - x + y * pitch) = color; } } /* ------------------------------------------------------------------------- */ static void video_test_image (void) { char *di; int i, n; /* draw raster */ for (i = 0; i < LCD_VIDEO_ROWS; i += 32) { memset ((char *) (LCD_VIDEO_ADDR + i * LCD_VIDEO_COLS), LCD_VIDEO_FG, LCD_VIDEO_COLS); for (n = i + 1; n < i + 32; n++) memset ((char *) (LCD_VIDEO_ADDR + n * LCD_VIDEO_COLS), LCD_VIDEO_BG, LCD_VIDEO_COLS); } for (i = 0; i < LCD_VIDEO_COLS; i += 32) { for (n = 0; n < LCD_VIDEO_ROWS; n++) *(char *) (LCD_VIDEO_ADDR + n * LCD_VIDEO_COLS + i) = LCD_VIDEO_FG; } /* draw gray bar */ di = (char *) (LCD_VIDEO_ADDR + (LCD_VIDEO_COLS - 256) / 64 * 32 + 97 * LCD_VIDEO_COLS); for (n = 0; n < 63; n++) { for (i = 0; i < 256; i++) { *di++ = (char) i; *(di + LCD_VIDEO_COLS * 64) = (i & 1) * 255; } di += LCD_VIDEO_COLS - 256; } video_circle ((char *) LCD_VIDEO_ADDR + LCD_VIDEO_COLS / 2 + LCD_VIDEO_ROWS / 2 * LCD_VIDEO_COLS, LCD_VIDEO_ROWS / 2, LCD_VIDEO_FG, LCD_VIDEO_COLS); } /* ------------------------------------------------------------------------- */ static void video_default_lut (unsigned int clut_type) { unsigned int i; unsigned char RGB[] = { 0x00, 0x00, 0x00, /* black */ 0x80, 0x80, 0x80, /* gray */ 0xff, 0x00, 0x00, /* red */ 0x00, 0xff, 0x00, /* green */ 0x00, 0x00, 0xff, /* blue */ 0x00, 0xff, 0xff, /* cyan */ 0xff, 0x00, 0xff, /* magenta */ 0xff, 0xff, 0x00, /* yellow */ 0x80, 0x00, 0x00, /* dark red */ 0x00, 0x80, 0x00, /* dark green */ 0x00, 0x00, 0x80, /* dark blue */ 0x00, 0x80, 0x80, /* dark cyan */ 0x80, 0x00, 0x80, /* dark magenta */ 0x80, 0x80, 0x00, /* dark yellow */ 0xc0, 0xc0, 0xc0, /* light gray */ 0xff, 0xff, 0xff, /* white */ }; switch (clut_type) { case 1: for (i = 0; i < 240; i++) video_set_lut (i, i, i, i); for (i = 0; i < 16; i++) video_set_lut (i + 240, RGB[i * 3], RGB[i * 3 + 1], RGB[i * 3 + 2]); break; default: for (i = 0; i < 256; i++) video_set_lut (i, i, i, i); } } /* ------------------------------------------------------------------------- */ void *video_hw_init (void) { unsigned int clut = 0; unsigned char *penv; immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; /* enable video only on CLUT value */ if ((penv = (uchar *)getenv ("clut")) != NULL) clut = (u_int) simple_strtoul ((char *)penv, NULL, 10); else return NULL; /* disable graphic before write LCD regs. */ immr->im_lcd.lcd_lccr = 0x96000866; /* config LCD regs. */ immr->im_lcd.lcd_lcfaa = LCD_VIDEO_ADDR; immr->im_lcd.lcd_lchcr = 0x010a0093; immr->im_lcd.lcd_lcvcr = 0x900f0024; printf ("Video: 640x480 8Bit Index Lut %s\n", (clut == 1 ? "240/16 (gray/vga)" : "256(gray)")); video_default_lut (clut); /* clear framebuffer */ memset ((char *) (LCD_VIDEO_ADDR), LCD_VIDEO_BG, LCD_VIDEO_ROWS * LCD_VIDEO_COLS); /* enable graphic */ immr->im_lcd.lcd_lccr = 0x96000867; /* fill in Graphic Device */ gdev.frameAdrs = LCD_VIDEO_ADDR; gdev.winSizeX = LCD_VIDEO_COLS; gdev.winSizeY = LCD_VIDEO_ROWS; gdev.gdfBytesPP = 1; gdev.gdfIndex = GDF__8BIT_INDEX; if (clut > 1) /* return Graphic Device for console */ return (void *) &gdev; else /* just graphic enabled - draw something beautiful */ video_test_image (); return NULL; /* this disabels cfb - console */ } /* ------------------------------------------------------------------------- */ void video_set_lut (unsigned int index, unsigned char r, unsigned char g, unsigned char b) { unsigned int lum; unsigned short *pLut = (unsigned short *) (CONFIG_SYS_IMMR + 0x0e00); /* 16 bit lut values, 12 bit used, xxxx BBGG RRii iiii */ /* y = 0.299*R + 0.587*G + 0.114*B */ lum = (2990 * r + 5870 * g + 1140 * b) / 10000; pLut[index] = ((b & 0xc0) << 4) | ((g & 0xc0) << 2) | (r & 0xc0) | (lum & 0x3f); } /* ------------------------------------------------------------------------- */