126 lines
3.1 KiB
C
126 lines
3.1 KiB
C
/*
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* Copyright (C) 2004 Sascha Hauer, Pengutronix
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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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*/
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#include <common.h>
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#include <asm/arch/imx-regs.h>
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#define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
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extern void imx_gpio_mode(int gpio_mode);
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static void logo_init(void)
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{
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imx_gpio_mode(PD15_PF_LD0);
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imx_gpio_mode(PD16_PF_LD1);
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imx_gpio_mode(PD17_PF_LD2);
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imx_gpio_mode(PD18_PF_LD3);
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imx_gpio_mode(PD19_PF_LD4);
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imx_gpio_mode(PD20_PF_LD5);
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imx_gpio_mode(PD21_PF_LD6);
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imx_gpio_mode(PD22_PF_LD7);
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imx_gpio_mode(PD23_PF_LD8);
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imx_gpio_mode(PD24_PF_LD9);
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imx_gpio_mode(PD25_PF_LD10);
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imx_gpio_mode(PD26_PF_LD11);
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imx_gpio_mode(PD27_PF_LD12);
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imx_gpio_mode(PD28_PF_LD13);
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imx_gpio_mode(PD29_PF_LD14);
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imx_gpio_mode(PD30_PF_LD15);
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imx_gpio_mode(PD14_PF_FLM_VSYNC);
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imx_gpio_mode(PD13_PF_LP_HSYNC);
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imx_gpio_mode(PD6_PF_LSCLK);
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imx_gpio_mode(GPIO_PORTD | GPIO_OUT | GPIO_GPIO);
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imx_gpio_mode(PD11_PF_CONTRAST);
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imx_gpio_mode(PD10_PF_SPL_SPR);
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LCDC_RMCR = 0x00000000;
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LCDC_PCR = PCR_COLOR | PCR_PBSIZ_8 | PCR_BPIX_16 | PCR_PCD(5);
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LCDC_HCR = HCR_H_WIDTH(2);
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LCDC_VCR = VCR_V_WIDTH(2);
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LCDC_PWMR = 0x00000380; /* contrast to 0x80 middle (is best !!!) */
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LCDC_SSA = 0x10040000; /* image in flash */
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LCDC_SIZE = SIZE_XMAX(320) | SIZE_YMAX(240); /* screen size */
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LCDC_VPW = 0x000000A0; /* Virtual Page Width Register */
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LCDC_POS = 0x00000000; /* panning offset 0 (0 pixel offset) */
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/* disable Cursor */
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LCDC_CPOS = 0x00000000;
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/* fixed burst length */
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LCDC_DMACR = DMACR_BURST | DMACR_HM(8) | DMACR_TM(2);
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/* enable LCD */
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DR(3) |= 0x00001000;
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LCDC_RMCR = RMCR_LCDC_EN;
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}
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int
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board_init(void)
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{
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DECLARE_GLOBAL_DATA_PTR;
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gd->bd->bi_arch_number = MACH_TYPE_MX1FS2;
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gd->bd->bi_boot_params = 0x08000100;
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serial_init();
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logo_init();
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return 0;
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}
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int
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dram_init(void)
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{
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DECLARE_GLOBAL_DATA_PTR;
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#if ( CONFIG_NR_DRAM_BANKS > 0 )
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gd->bd->bi_dram[0].start = MX1FS2_SDRAM_1;
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gd->bd->bi_dram[0].size = MX1FS2_SDRAM_1_SIZE;
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#endif
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return 0;
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}
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/**
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* show_boot_progress: - indicate state of the boot process
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*
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* @param status: Status number - see README for details.
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*
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*/
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void
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show_boot_progress(int status)
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{
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/* We use this as a hook to disable serial ports just before booting
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* This way we suppress the "uncompressing linux..." message
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*/
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#ifdef CONFIG_SILENT_CONSOLE
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if( status == 8) {
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if( getenv("silent") != NULL ) {
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*(volatile unsigned long *)0x206080 &= ~1;
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*(volatile unsigned long *)0x207080 &= ~1;
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}
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}
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#endif
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return;
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}
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