/* * Copyright 2007 Freescale Semiconductor, Inc. * York Sun <yorksun@freescale.com> * * FSL DIU Framebuffer driver * * See file CREDITS for list of people who contributed to this * project. * * 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 <command.h> #include <asm/io.h> #ifdef CONFIG_FSL_DIU_FB #include "../common/fsl_diu_fb.h" #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) #include <stdio_dev.h> #include <video_fb.h> #endif extern unsigned int FSL_Logo_BMP[]; static int xres, yres; void diu_set_pixel_clock(unsigned int pixclock) { volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; volatile ccsr_gur_t *gur = &immap->im_gur; volatile unsigned int *guts_clkdvdr = &gur->clkdvdr; unsigned long speed_ccb, temp, pixval; speed_ccb = get_bus_freq(0); temp = 1000000000/pixclock; temp *= 1000; pixval = speed_ccb / temp; debug("DIU pixval = %lu\n", pixval); /* Modify PXCLK in GUTS CLKDVDR */ debug("DIU: Current value of CLKDVDR = 0x%08x\n", *guts_clkdvdr); temp = *guts_clkdvdr & 0x2000FFFF; *guts_clkdvdr = temp; /* turn off clock */ *guts_clkdvdr = temp | 0x80000000 | ((pixval & 0x1F) << 16); debug("DIU: Modified value of CLKDVDR = 0x%08x\n", *guts_clkdvdr); } void mpc8610hpcd_diu_init(void) { char *monitor_port; int gamma_fix; unsigned int pixel_format; unsigned char tmp_val; unsigned char pixis_arch; u8 *pixis_base = (u8 *)PIXIS_BASE; tmp_val = in_8(pixis_base + PIXIS_BRDCFG0); pixis_arch = in_8(pixis_base + PIXIS_VER); monitor_port = getenv("monitor"); if (!strncmp(monitor_port, "0", 1)) { /* 0 - DVI */ xres = 1280; yres = 1024; if (pixis_arch == 0x01) pixel_format = 0x88882317; else pixel_format = 0x88883316; gamma_fix = 0; out_8(pixis_base + PIXIS_BRDCFG0, tmp_val | 0x08); } else if (!strncmp(monitor_port, "1", 1)) { /* 1 - Single link LVDS */ xres = 1024; yres = 768; pixel_format = 0x88883316; gamma_fix = 0; out_8(pixis_base + PIXIS_BRDCFG0, (tmp_val & 0xf7) | 0x10); } else if (!strncmp(monitor_port, "2", 1)) { /* 2 - Double link LVDS */ xres = 1280; yres = 1024; pixel_format = 0x88883316; gamma_fix = 1; out_8(pixis_base + PIXIS_BRDCFG0, tmp_val & 0xe7); } else { /* DVI */ xres = 1280; yres = 1024; pixel_format = 0x88882317; gamma_fix = 0; out_8(pixis_base + PIXIS_BRDCFG0, tmp_val | 0x08); } fsl_diu_init(xres, pixel_format, gamma_fix, (unsigned char *)FSL_Logo_BMP); } int mpc8610diu_init_show_bmp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { unsigned int addr; if (argc < 2) { cmd_usage(cmdtp); return 1; } if (!strncmp(argv[1],"init",4)) { #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) fsl_diu_clear_screen(); drv_video_init(); #else mpc8610hpcd_diu_init(); #endif } else { addr = simple_strtoul(argv[1], NULL, 16); fsl_diu_clear_screen(); fsl_diu_display_bmp((unsigned char *)addr, 0, 0, 0); } return 0; } U_BOOT_CMD( diufb, CONFIG_SYS_MAXARGS, 1, mpc8610diu_init_show_bmp, "Init or Display BMP file", "init\n - initialize DIU\n" "addr\n - display bmp at address 'addr'" ); #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) /* * The Graphic Device */ GraphicDevice ctfb; void *video_hw_init(void) { GraphicDevice *pGD = (GraphicDevice *) &ctfb; struct fb_info *info; mpc8610hpcd_diu_init(); /* fill in Graphic device struct */ sprintf(pGD->modeIdent, "%dx%dx%d %ldkHz %ldHz", xres, yres, 32, 64, 60); pGD->frameAdrs = (unsigned int)fsl_fb_open(&info); pGD->winSizeX = xres; pGD->winSizeY = yres - info->logo_height; pGD->plnSizeX = pGD->winSizeX; pGD->plnSizeY = pGD->winSizeY; pGD->gdfBytesPP = 4; pGD->gdfIndex = GDF_32BIT_X888RGB; pGD->isaBase = 0; pGD->pciBase = 0; pGD->memSize = info->screen_size - info->logo_size; /* Cursor Start Address */ pGD->dprBase = 0; pGD->vprBase = 0; pGD->cprBase = 0; return (void *)pGD; } void video_set_lut (unsigned int index, /* color number */ unsigned char r, /* red */ unsigned char g, /* green */ unsigned char b /* blue */ ) { return; } #endif /* defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) */ #endif /* CONFIG_FSL_DIU_FB */