board/mx1fs2/mx1fs2.c

   1 /*
   2  * Copyright (C) 2004 Sascha Hauer, Pengutronix
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of
   7  * the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  17  * MA 02111-1307 USA
  18  *
  19  */
  20
  21 #include <common.h>
  22 #include <asm/arch/imx-regs.h>
  23
  24 DECLARE_GLOBAL_DATA_PTR;
  25
  26 #define SHOW_BOOT_PROGRESS(arg)        show_boot_progress(arg)
  27
  28 extern void imx_gpio_mode(int gpio_mode);
  29
  30 static void logo_init(void)
  31 {
  32         imx_gpio_mode(PD15_PF_LD0);
  33         imx_gpio_mode(PD16_PF_LD1);
  34         imx_gpio_mode(PD17_PF_LD2);
  35         imx_gpio_mode(PD18_PF_LD3);
  36         imx_gpio_mode(PD19_PF_LD4);
  37         imx_gpio_mode(PD20_PF_LD5);
  38         imx_gpio_mode(PD21_PF_LD6);
  39         imx_gpio_mode(PD22_PF_LD7);
  40         imx_gpio_mode(PD23_PF_LD8);
  41         imx_gpio_mode(PD24_PF_LD9);
  42         imx_gpio_mode(PD25_PF_LD10);
  43         imx_gpio_mode(PD26_PF_LD11);
  44         imx_gpio_mode(PD27_PF_LD12);
  45         imx_gpio_mode(PD28_PF_LD13);
  46         imx_gpio_mode(PD29_PF_LD14);
  47         imx_gpio_mode(PD30_PF_LD15);
  48         imx_gpio_mode(PD14_PF_FLM_VSYNC);
  49         imx_gpio_mode(PD13_PF_LP_HSYNC);
  50         imx_gpio_mode(PD6_PF_LSCLK);
  51         imx_gpio_mode(GPIO_PORTD | GPIO_OUT | GPIO_DR);
  52         imx_gpio_mode(PD11_PF_CONTRAST);
  53         imx_gpio_mode(PD10_PF_SPL_SPR);
  54
  55         LCDC_RMCR = 0x00000000;
  56         LCDC_PCR = PCR_COLOR | PCR_PBSIZ_8 | PCR_BPIX_16 | PCR_PCD(5);
  57         LCDC_HCR = HCR_H_WIDTH(2);
  58         LCDC_VCR = VCR_V_WIDTH(2);
  59
  60         LCDC_PWMR = 0x00000380;   /* contrast to 0x80 middle (is best !!!) */
  61         LCDC_SSA  = 0x10040000;   /* image in flash */
  62
  63         LCDC_SIZE = SIZE_XMAX(320) | SIZE_YMAX(240);   /* screen size */
  64
  65         LCDC_VPW  = 0x000000A0;   /* Virtual Page Width Register */
  66         LCDC_POS  = 0x00000000;   /* panning offset 0 (0 pixel offset) */
  67
  68         /* disable Cursor */
  69         LCDC_CPOS  = 0x00000000;
  70
  71         /* fixed burst length */
  72         LCDC_DMACR = DMACR_BURST | DMACR_HM(8) | DMACR_TM(2);
  73
  74         /* enable LCD */
  75         DR(3)   |= 0x00001000;
  76         LCDC_RMCR = RMCR_LCDC_EN;
  77
  78 }
  79
  80 int
  81 board_init(void)
  82 {
  83         gd->bd->bi_arch_number = MACH_TYPE_MX1FS2;
  84         gd->bd->bi_boot_params = 0x08000100;
  85 serial_init();
  86         logo_init();
  87         return 0;
  88 }
  89
  90 int
  91 dram_init(void)
  92 {
  93 #if ( CONFIG_NR_DRAM_BANKS > 0 )
  94         gd->bd->bi_dram[0].start = MX1FS2_SDRAM_1;
  95         gd->bd->bi_dram[0].size = MX1FS2_SDRAM_1_SIZE;
  96 #endif
  97         return 0;
  98 }
  99
 100 /**
 101  * show_boot_progress: - indicate state of the boot process
 102  *
 103  * @param status: Status number - see README for details.
 104  *
 105  */
 106
 107 void
 108 show_boot_progress(int status)
 109 {
 110         /* We use this as a hook to disable serial ports just before booting
 111          * This way we suppress the "uncompressing linux..." message
 112          */
 113 #ifdef CONFIG_SILENT_CONSOLE
 114         if( status == 8) {
 115                 if( getenv("silent") != NULL ) {
 116                         *(volatile unsigned long *)0x206080 &= ~1;
 117                         *(volatile unsigned long *)0x207080 &= ~1;
 118                 }
 119         }
 120 #endif
 121         return;
 122 }