Add DIU and cfb console support to FSL 5121ADS board. Use #define CONFIG_VIDEO in config file to enable fb console. Signed-off-by: York Sun <yorksun@freescale.com>master
York Sun
17 years ago
committed by
Wolfgang Denk
parent
a48ff68d23
commit
0e1bad47cd
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/*
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* Copyright 2008 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 "../freescale/common/pixis.h" |
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#include "../freescale/common/fsl_diu_fb.h" |
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#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) |
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#include <devices.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 *)CFG_IMMR; |
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volatile clk512x_t *clk = &immap->clk; |
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volatile unsigned int *clkdvdr = &clk->scfr[0]; |
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unsigned long speed_ccb, temp, pixval; |
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speed_ccb = get_bus_freq(0) * 4; |
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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", *clkdvdr); |
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temp = *clkdvdr & 0xFFFFFF00; |
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*clkdvdr = temp | (pixval & 0x1F); |
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debug("DIU: Modified value of CLKDVDR = 0x%08x\n", *clkdvdr); |
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} |
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int ads5121_diu_init(void) |
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{ |
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unsigned int pixel_format; |
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xres = 1024; |
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yres = 768; |
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pixel_format = 0x88883316; |
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return fsl_diu_init(xres, pixel_format, 0, |
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(unsigned char *)FSL_Logo_BMP); |
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} |
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int ads5121diu_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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printf("Usage:\n%s\n", cmdtp->usage); |
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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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return ads5121_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, CFG_MAXARGS, 1, ads5121diu_init_show_bmp, |
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"diufb init | addr - Init or Display BMP file\n", |
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"init\n - initialize DIU\n" |
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"addr\n - display bmp at address 'addr'\n" |
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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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if (ads5121_diu_init() < 0) |
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return; |
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/* fill in Graphic device struct */ |
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sprintf(pGD->modeIdent, "%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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/**
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* Set the LUT |
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* |
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* @index: color number |
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* @r: red |
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* @b: blue |
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* @g: green |
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*/ |
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void video_set_lut |
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(unsigned int index, unsigned char r, unsigned char g, unsigned char b) |
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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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