upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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477 lines
13 KiB
477 lines
13 KiB
/*
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* (C) Copyright 2001
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* ELTEC Elektronik AG
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* Frank Gottschling <fgottschling@eltec.de>
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*
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* Board specific routines for the miniHiPerCam
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*
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* - initialisation (eeprom)
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* - memory controller
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* - serial io initialisation
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* - ethernet io initialisation
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*
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* -----------------------------------------------------------------
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <linux/ctype.h>
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#include <commproc.h>
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#include "mpc8xx.h"
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#include <video_fb.h>
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/* imports from common/main.c */
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extern char console_buffer[CFG_CBSIZE];
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extern void eeprom_init (void);
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extern int eeprom_read (unsigned dev_addr, unsigned offset,
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unsigned char *buffer, unsigned cnt);
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extern int eeprom_write (unsigned dev_addr, unsigned offset,
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unsigned char *buffer, unsigned cnt);
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/* globals */
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void *video_hw_init(void);
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void video_set_lut (unsigned int index, /* color number */
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unsigned char r, /* red */
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unsigned char g, /* green */
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unsigned char b /* blue */
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);
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GraphicDevice gdev;
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/* locals */
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static void video_circle (char *center, int radius, int color, int pitch);
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static void video_test_image (void);
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static void video_default_lut (unsigned int clut_type);
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/* revision info foer MHPC EEPROM offset 480 */
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typedef struct {
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char board[12]; /* 000 - Board Revision information */
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char sensor; /* 012 - Sensor Type information */
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char serial[8]; /* 013 - Board serial number */
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char etheraddr[6]; /* 021 - Ethernet node addresse */
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char revision[2]; /* 027 - Revision code */
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char option[3]; /* 029 - resevered for options */
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} revinfo;
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/* ------------------------------------------------------------------------- */
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static const unsigned int sdram_table[] =
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{
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/* read single beat cycle */
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0xef0efc04, 0x0e2dac04, 0x01ba5c04, 0x1ff5fc00,
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0xfffffc05, 0xeffafc34, 0x0ff0bc34, 0x1ff57c35,
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/* read burst cycle */
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0xef0efc04, 0x0e3dac04, 0x10ff5c04, 0xf0fffc00,
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0xf0fffc00, 0xf1fffc00, 0xfffffc00, 0xfffffc05,
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0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
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0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
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/* write single beat cycle */
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0xef0efc04, 0x0e29ac00, 0x01b25c04, 0x1ff5fc05,
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0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
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/* write burst cycle */
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0xef0ef804, 0x0e39a000, 0x10f75000, 0xf0fff440,
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0xf0fffc40, 0xf1fffc04, 0xfffffc05, 0xfffffc04,
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0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
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0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
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/* periodic timer expired */
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0xeffebc84, 0x1ffd7c04, 0xfffffc04, 0xfffffc84,
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0xeffebc04, 0x1ffd7c04, 0xfffffc04, 0xfffffc05,
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0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
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/* exception */
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0xfffffc04, 0xfffffc05, 0xfffffc04, 0xfffffc04
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};
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/* ------------------------------------------------------------------------- */
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int board_pre_init (void)
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{
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volatile immap_t *im = (immap_t *)CFG_IMMR;
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volatile cpm8xx_t *cp = &(im->im_cpm);
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volatile iop8xx_t *ip = (iop8xx_t *)&(im->im_ioport);
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/* reset the port A s.a. cpm-routines */
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ip->iop_padat = 0x0000;
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ip->iop_papar = 0x0000;
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ip->iop_padir = 0x0800;
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ip->iop_paodr = 0x0000;
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/* reset the port B for digital and LCD output */
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cp->cp_pbdat = 0x0300;
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cp->cp_pbpar = 0x5001;
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cp->cp_pbdir = 0x5301;
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cp->cp_pbodr = 0x0000;
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/* reset the port C configured for SMC1 serial port and aqc. control */
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ip->iop_pcdat = 0x0800;
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ip->iop_pcpar = 0x0000;
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ip->iop_pcdir = 0x0e30;
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ip->iop_pcso = 0x0000;
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/* Config port D for LCD output */
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ip->iop_pdpar = 0x1fff;
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ip->iop_pddir = 0x1fff;
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return (0);
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}
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/* ------------------------------------------------------------------------- */
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/*
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* Check Board Identity
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*/
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int checkboard (void)
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{
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puts ("Board: ELTEC miniHiperCam\n");
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return(0);
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}
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/* ------------------------------------------------------------------------- */
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int misc_init_r(void)
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{
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revinfo mhpcRevInfo;
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char nid[32];
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char *mhpcSensorTypes[] = { "OMNIVISON OV7610/7620 color",
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"OMNIVISON OV7110 b&w", NULL };
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char hex[23] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0,
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0, 0, 0, 0, 10, 11, 12, 13, 14, 15 };
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int i;
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/* check revision data */
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eeprom_read (CFG_I2C_EEPROM_ADDR, 480, (char*)&mhpcRevInfo, 32);
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if (strncmp((char *)&mhpcRevInfo.board[2], "MHPC", 4) != 0)
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{
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printf ("Enter revision number (0-9): %c ", mhpcRevInfo.revision[0]);
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if (0 != readline (NULL))
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{
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mhpcRevInfo.revision[0] = (char)toupper(console_buffer[0]);
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}
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printf ("Enter revision character (A-Z): %c ", mhpcRevInfo.revision[1]);
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if (1 == readline (NULL))
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{
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mhpcRevInfo.revision[1] = (char)toupper(console_buffer[0]);
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}
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printf("Enter board name (V-XXXX-XXXX): %s ", (char *)&mhpcRevInfo.board);
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if (11 == readline (NULL))
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{
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for (i=0; i<11; i++)
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{
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mhpcRevInfo.board[i] = (char)toupper(console_buffer[i]);
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mhpcRevInfo.board[11] = '\0';
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}
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}
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printf("Supported sensor types:\n");
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i=0;
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do
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{
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printf("\n \'%d\' : %s\n", i, mhpcSensorTypes[i]);
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} while ( mhpcSensorTypes[++i] != NULL );
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do
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{
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printf("\nEnter sensor number (0-255): %d ", (int)mhpcRevInfo.sensor );
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if (0 != readline (NULL))
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{
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mhpcRevInfo.sensor = (unsigned char)simple_strtoul(console_buffer, NULL, 10);
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}
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} while ( mhpcRevInfo.sensor >= i );
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printf("Enter serial number: %s ", (char *)&mhpcRevInfo.serial );
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if (6 == readline (NULL))
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{
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for (i=0; i<6; i++)
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{
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mhpcRevInfo.serial[i] = console_buffer[i];
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}
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mhpcRevInfo.serial[6] = '\0';
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}
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printf("Enter ether node ID with leading zero (HEX): %02x%02x%02x%02x%02x%02x ",
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mhpcRevInfo.etheraddr[0], mhpcRevInfo.etheraddr[1],
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mhpcRevInfo.etheraddr[2], mhpcRevInfo.etheraddr[3],
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mhpcRevInfo.etheraddr[4], mhpcRevInfo.etheraddr[5] );
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if (12 == readline (NULL))
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{
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for (i=0; i<12; i+=2)
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{
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mhpcRevInfo.etheraddr[i>>1] = (char)(16*hex[toupper(console_buffer[i])-'0'] +
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hex[toupper(console_buffer[i+1])-'0']);
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}
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}
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/* setup new revision data */
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eeprom_write (CFG_I2C_EEPROM_ADDR, 480, (char*)&mhpcRevInfo, 32);
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}
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/* set environment */
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sprintf( nid, "%02x:%02x:%02x:%02x:%02x:%02x",
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mhpcRevInfo.etheraddr[0], mhpcRevInfo.etheraddr[1],
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mhpcRevInfo.etheraddr[2], mhpcRevInfo.etheraddr[3],
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mhpcRevInfo.etheraddr[4], mhpcRevInfo.etheraddr[5]);
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setenv("ethaddr", nid);
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/* print actual board identification */
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printf("Ident: %s %s Ser %s Rev %c%c\n",
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mhpcRevInfo.board, (mhpcRevInfo.sensor==0?"color":"b&w"),
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(char *)&mhpcRevInfo.serial,
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mhpcRevInfo.revision[0], mhpcRevInfo.revision[1]);
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return (0);
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}
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/* ------------------------------------------------------------------------- */
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long int initdram (int board_type)
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{
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volatile immap_t *immap = (immap_t *)CFG_IMMR;
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volatile memctl8xx_t *memctl = &immap->im_memctl;
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upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
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memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE)); /* no refresh yet */
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memctl->memc_mbmr = MBMR_GPL_B4DIS; /* should this be mamr? - NTL */
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memctl->memc_mptpr = MPTPR_PTP_DIV64;
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memctl->memc_mar = 0x00008800;
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/*
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* Map controller SDRAM bank 0
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*/
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memctl->memc_or1 = CFG_OR1_PRELIM;
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memctl->memc_br1 = CFG_BR1_PRELIM;
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udelay(200);
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/*
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* Map controller SDRAM bank 1
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*/
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memctl->memc_or2 = CFG_OR2;
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memctl->memc_br2 = CFG_BR2;
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/*
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* Perform SDRAM initializsation sequence
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*/
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memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */
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udelay(1);
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memctl->memc_mcr = 0x80002730; /* SDRAM bank 0 - execute twice */
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udelay(1);
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memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
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udelay(10000);
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/* leave place for framebuffers */
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return (SDRAM_MAX_SIZE-SDRAM_RES_SIZE);
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}
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/* ------------------------------------------------------------------------- */
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static void video_circle (char *center, int radius, int color, int pitch)
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{
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int x,y,d,dE,dSE;
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x = 0;
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y = radius;
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d = 1-radius;
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dE = 3;
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dSE = -2*radius+5;
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*(center+x+y*pitch) = color;
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*(center+y+x*pitch) = color;
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*(center+y-x*pitch) = color;
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*(center+x-y*pitch) = color;
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*(center-x-y*pitch) = color;
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*(center-y-x*pitch) = color;
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*(center-y+x*pitch) = color;
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*(center-x+y*pitch) = color;
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while(y>x)
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{
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if (d<0)
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{
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d += dE;
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dE += 2;
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dSE += 2;
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x++;
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}
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else
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{
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d += dSE;
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dE += 2;
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dSE += 4;
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x++;
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y--;
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}
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*(center+x+y*pitch) = color;
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*(center+y+x*pitch) = color;
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*(center+y-x*pitch) = color;
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*(center+x-y*pitch) = color;
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*(center-x-y*pitch) = color;
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*(center-y-x*pitch) = color;
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*(center-y+x*pitch) = color;
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*(center-x+y*pitch) = color;
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}
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}
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/* ------------------------------------------------------------------------- */
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static void video_test_image(void)
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{
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char *di;
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int i, n;
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/* draw raster */
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for (i=0; i<LCD_VIDEO_ROWS; i+=32)
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{
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memset((char*)(LCD_VIDEO_ADDR+i*LCD_VIDEO_COLS), LCD_VIDEO_FG, LCD_VIDEO_COLS);
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for (n=i+1;n<i+32;n++)
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memset((char*)(LCD_VIDEO_ADDR+n*LCD_VIDEO_COLS), LCD_VIDEO_BG, LCD_VIDEO_COLS);
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}
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for (i=0; i<LCD_VIDEO_COLS; i+=32)
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{
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for (n=0; n<LCD_VIDEO_ROWS; n++)
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*(char*)(LCD_VIDEO_ADDR+n*LCD_VIDEO_COLS+i) = LCD_VIDEO_FG;
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}
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/* draw gray bar */
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di = (char *)(LCD_VIDEO_ADDR + (LCD_VIDEO_COLS-256)/64*32 + 97*LCD_VIDEO_COLS);
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for (n=0; n<63; n++)
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{
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for (i=0; i<256; i++)
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{
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*di++ = (char)i;
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*(di+LCD_VIDEO_COLS*64) = (i&1)*255;
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}
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di += LCD_VIDEO_COLS-256;
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}
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video_circle ((char*)LCD_VIDEO_ADDR+LCD_VIDEO_COLS/2+LCD_VIDEO_ROWS/2*LCD_VIDEO_COLS,
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LCD_VIDEO_ROWS/2,LCD_VIDEO_FG, LCD_VIDEO_COLS);
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}
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/* ------------------------------------------------------------------------- */
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static void video_default_lut (unsigned int clut_type)
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{
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unsigned int i;
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unsigned char RGB[] =
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{
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0x00, 0x00, 0x00, /* black */
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0x80, 0x80, 0x80, /* gray */
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0xff, 0x00, 0x00, /* red */
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0x00, 0xff, 0x00, /* green */
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0x00, 0x00, 0xff, /* blue */
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0x00, 0xff, 0xff, /* cyan */
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0xff, 0x00, 0xff, /* magenta */
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0xff, 0xff, 0x00, /* yellow */
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0x80, 0x00, 0x00, /* dark red */
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0x00, 0x80, 0x00, /* dark green */
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0x00, 0x00, 0x80, /* dark blue */
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0x00, 0x80, 0x80, /* dark cyan */
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0x80, 0x00, 0x80, /* dark magenta */
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0x80, 0x80, 0x00, /* dark yellow */
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0xc0, 0xc0, 0xc0, /* light gray */
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0xff, 0xff, 0xff, /* white */
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};
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switch (clut_type)
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{
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case 1:
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for (i=0; i<240; i++)
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video_set_lut (i, i, i, i);
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for (i=0; i<16; i++)
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video_set_lut (i+240, RGB[i*3], RGB[i*3+1], RGB[i*3+2]);
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break;
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default:
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for (i=0; i<256; i++)
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video_set_lut (i, i, i, i);
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}
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}
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/* ------------------------------------------------------------------------- */
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void *video_hw_init (void)
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{
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unsigned int clut = 0;
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unsigned char *penv;
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immap_t *immr = (immap_t *) CFG_IMMR;
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/* enable video only on CLUT value */
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if ((penv = getenv ("clut")) != NULL)
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clut = (u_int)simple_strtoul (penv, NULL, 10);
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else
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return NULL;
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/* disable graphic before write LCD regs. */
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immr->im_lcd.lcd_lccr = 0x96000866;
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/* config LCD regs. */
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immr->im_lcd.lcd_lcfaa = LCD_VIDEO_ADDR;
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immr->im_lcd.lcd_lchcr = 0x010a0093;
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immr->im_lcd.lcd_lcvcr = 0x900f0024;
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printf ("Video: 640x480 8Bit Index Lut %s\n",
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(clut==1?"240/16 (gray/vga)":"256(gray)"));
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video_default_lut (clut);
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/* clear framebuffer */
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memset ( (char*)(LCD_VIDEO_ADDR), LCD_VIDEO_BG, LCD_VIDEO_ROWS*LCD_VIDEO_COLS );
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/* enable graphic */
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immr->im_lcd.lcd_lccr = 0x96000867;
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/* fill in Graphic Device */
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gdev.frameAdrs = LCD_VIDEO_ADDR;
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gdev.winSizeX = LCD_VIDEO_COLS;
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gdev.winSizeY = LCD_VIDEO_ROWS;
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gdev.gdfBytesPP = 1;
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gdev.gdfIndex = GDF__8BIT_INDEX;
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if (clut > 1)
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/* return Graphic Device for console */
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return (void *)&gdev;
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else
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/* just graphic enabled - draw something beautiful */
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video_test_image();
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return NULL; /* this disabels cfb - console */
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}
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/* ------------------------------------------------------------------------- */
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void video_set_lut (unsigned int index,
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unsigned char r, unsigned char g, unsigned char b)
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{
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unsigned int lum;
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unsigned short *pLut = (unsigned short *)(CFG_IMMR + 0x0e00);
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/* 16 bit lut values, 12 bit used, xxxx BBGG RRii iiii */
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/* y = 0.299*R + 0.587*G + 0.114*B */
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lum = (2990*r + 5870*g + 1140*b)/10000;
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pLut[index] = ((b & 0xc0)<<4) | ((g & 0xc0)<<2) | (r & 0xc0) | (lum & 0x3f);
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}
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/* ------------------------------------------------------------------------- */
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|