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Diffstat (limited to 'board/mx1fs2/mx1fs2.c')
| -rw-r--r-- | board/mx1fs2/mx1fs2.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/board/mx1fs2/mx1fs2.c b/board/mx1fs2/mx1fs2.c new file mode 100644 index 0000000..f51085a --- /dev/null +++ b/board/mx1fs2/mx1fs2.c @@ -0,0 +1,125 @@ +/* + * 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> + +#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) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_arch_number = 470; + gd->bd->bi_boot_params = 0x08000100; +serial_init(); + logo_init(); + return 0; +} + +int +dram_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + +#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; +} |