board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c

   1 /*
   2  * Copyright 2007 Freescale Semiconductor, Inc.
   3  * York Sun <yorksun@freescale.com>
   4  *
   5  * FSL DIU Framebuffer driver
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25
  26 #include <common.h>
  27 #include <command.h>
  28 #include <asm/io.h>
  29
  30 #ifdef CONFIG_FSL_DIU_FB
  31
  32 #include "../common/pixis.h"
  33 #include "../common/fsl_diu_fb.h"
  34
  35
  36 extern unsigned int FSL_Logo_BMP[];
  37
  38
  39 void mpc8610hpcd_diu_init(void)
  40 {
  41         char *monitor_port;
  42         int xres, gamma_fix;
  43         unsigned int pixel_format;
  44         unsigned char tmp_val;
  45
  46         tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0);
  47         monitor_port = getenv ("monitor");
  48
  49         if (!strncmp(monitor_port, "0", 1)) {   /* 0 - DVI */
  50                 xres = 1280;
  51                 pixel_format = 0x88882317;
  52                 gamma_fix = 0;
  53                 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x08);
  54
  55         } else if (!strncmp(monitor_port, "1", 1)) { /* 1 - Single link LVDS */
  56                 xres = 1024;
  57                 pixel_format = 0x88883316;
  58                 gamma_fix = 0;
  59                 out8(PIXIS_BASE + PIXIS_BRDCFG0, (tmp_val & 0xf7) | 0x10);
  60
  61         } else if (!strncmp(monitor_port, "2", 1)) { /* 2 - Double link LVDS */
  62                 xres = 1280;
  63                 pixel_format = 0x88883316;
  64                 gamma_fix = 1;
  65                 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val & 0xe7);
  66
  67         } else {        /* DVI */
  68                 xres = 1280;
  69                 pixel_format = 0x88882317;
  70                 gamma_fix = 0;
  71                 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x08);
  72         }
  73
  74         fsl_diu_init(xres, pixel_format, gamma_fix,
  75                      (unsigned char *)FSL_Logo_BMP);
  76 }
  77
  78 int mpc8610diu_init_show_bmp(cmd_tbl_t *cmdtp,
  79                              int flag, int argc, char *argv[])
  80 {
  81         unsigned int addr;
  82
  83         if (argc < 2) {
  84                 printf ("Usage:\n%s\n", cmdtp->usage);
  85                 return 1;
  86         }
  87
  88         if (!strncmp(argv[1],"init",4)) {
  89                 mpc8610hpcd_diu_init();
  90         } else {
  91                 addr = simple_strtoul(argv[1], NULL, 16);
  92                 fsl_diu_clear_screen();
  93                 fsl_diu_display_bmp((unsigned char *)addr, 0, 0, 0);
  94         }
  95
  96         return 0;
  97 }
  98
  99 U_BOOT_CMD(
 100         diufb, CFG_MAXARGS, 1, mpc8610diu_init_show_bmp,
 101         "diufb init | addr - Init or Display BMP file\n",
 102         "init\n    - initialize DIU\n"
 103         "addr\n    - display bmp at address 'addr'\n"
 104         );
 105 #endif /* CONFIG_FSL_DIU_FB */