LXR uboot/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
  24DECLARE_GLOBAL_DATA_PTR;
  25
  26#define SHOW_BOOT_PROGRESS(arg)        show_boot_progress(arg)
  27
  28extern void imx_gpio_mode(int gpio_mode);
  29
  30static 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
  80int
  81board_init(void)
  82{
  83        gd->bd->bi_arch_number = MACH_TYPE_MX1FS2;
  84        gd->bd->bi_boot_params = 0x08000100;
  85serial_init();
  86        logo_init();
  87        return 0;
  88}
  89
  90int
  91dram_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
 107void
 108show_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}
 123