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