mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-23 11:33:32 +00:00
122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
/*
|
|
* Copyright (C) 2004 Sascha Hauer, Pengutronix
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/arch/imx-regs.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
#define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
|
|
|
|
extern void imx_gpio_mode(int gpio_mode);
|
|
|
|
static void logo_init(void)
|
|
{
|
|
imx_gpio_mode(PD15_PF_LD0);
|
|
imx_gpio_mode(PD16_PF_LD1);
|
|
imx_gpio_mode(PD17_PF_LD2);
|
|
imx_gpio_mode(PD18_PF_LD3);
|
|
imx_gpio_mode(PD19_PF_LD4);
|
|
imx_gpio_mode(PD20_PF_LD5);
|
|
imx_gpio_mode(PD21_PF_LD6);
|
|
imx_gpio_mode(PD22_PF_LD7);
|
|
imx_gpio_mode(PD23_PF_LD8);
|
|
imx_gpio_mode(PD24_PF_LD9);
|
|
imx_gpio_mode(PD25_PF_LD10);
|
|
imx_gpio_mode(PD26_PF_LD11);
|
|
imx_gpio_mode(PD27_PF_LD12);
|
|
imx_gpio_mode(PD28_PF_LD13);
|
|
imx_gpio_mode(PD29_PF_LD14);
|
|
imx_gpio_mode(PD30_PF_LD15);
|
|
imx_gpio_mode(PD14_PF_FLM_VSYNC);
|
|
imx_gpio_mode(PD13_PF_LP_HSYNC);
|
|
imx_gpio_mode(PD6_PF_LSCLK);
|
|
imx_gpio_mode(GPIO_PORTD | GPIO_OUT | GPIO_GPIO);
|
|
imx_gpio_mode(PD11_PF_CONTRAST);
|
|
imx_gpio_mode(PD10_PF_SPL_SPR);
|
|
|
|
LCDC_RMCR = 0x00000000;
|
|
LCDC_PCR = PCR_COLOR | PCR_PBSIZ_8 | PCR_BPIX_16 | PCR_PCD(5);
|
|
LCDC_HCR = HCR_H_WIDTH(2);
|
|
LCDC_VCR = VCR_V_WIDTH(2);
|
|
|
|
LCDC_PWMR = 0x00000380; /* contrast to 0x80 middle (is best !!!) */
|
|
LCDC_SSA = 0x10040000; /* image in flash */
|
|
|
|
LCDC_SIZE = SIZE_XMAX(320) | SIZE_YMAX(240); /* screen size */
|
|
|
|
LCDC_VPW = 0x000000A0; /* Virtual Page Width Register */
|
|
LCDC_POS = 0x00000000; /* panning offset 0 (0 pixel offset) */
|
|
|
|
/* disable Cursor */
|
|
LCDC_CPOS = 0x00000000;
|
|
|
|
/* fixed burst length */
|
|
LCDC_DMACR = DMACR_BURST | DMACR_HM(8) | DMACR_TM(2);
|
|
|
|
/* enable LCD */
|
|
DR(3) |= 0x00001000;
|
|
LCDC_RMCR = RMCR_LCDC_EN;
|
|
|
|
}
|
|
|
|
int
|
|
board_init(void)
|
|
{
|
|
gd->bd->bi_arch_number = MACH_TYPE_MX1FS2;
|
|
gd->bd->bi_boot_params = 0x08000100;
|
|
serial_init();
|
|
logo_init();
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
dram_init(void)
|
|
{
|
|
#if ( CONFIG_NR_DRAM_BANKS > 0 )
|
|
gd->bd->bi_dram[0].start = MX1FS2_SDRAM_1;
|
|
gd->bd->bi_dram[0].size = MX1FS2_SDRAM_1_SIZE;
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* show_boot_progress: - indicate state of the boot process
|
|
*
|
|
* @param status: Status number - see README for details.
|
|
*
|
|
*/
|
|
|
|
void
|
|
show_boot_progress(int status)
|
|
{
|
|
/* We use this as a hook to disable serial ports just before booting
|
|
* This way we suppress the "uncompressing linux..." message
|
|
*/
|
|
#ifdef CONFIG_SILENT_CONSOLE
|
|
if( status == 8) {
|
|
if( getenv("silent") != NULL ) {
|
|
*(volatile unsigned long *)0x206080 &= ~1;
|
|
*(volatile unsigned long *)0x207080 &= ~1;
|
|
}
|
|
}
|
|
#endif
|
|
return;
|
|
}
|