mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-21 10:38:00 +09:00
e69e520f9d
The Freescale MPC8610 and MPC5121 DIU code had re-implement two features that already existed in U-Boot: bitmap drawing and top-of-screen logo (CONFIG_VIDEO_LOGO). So delete the 8610-specific code and use the built-in features instead. Signed-off-by: Timur Tabi <timur@freescale.com>
151 lines
3.8 KiB
C
151 lines
3.8 KiB
C
/*
|
|
* 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
|
|
|
|
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);
|
|
}
|
|
|
|
int 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);
|
|
}
|
|
|
|
return fsl_diu_init(xres, pixel_format, gamma_fix);
|
|
}
|
|
|
|
#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
|
|
|
|
/*
|
|
* The Graphic Device
|
|
*/
|
|
static GraphicDevice ctfb;
|
|
|
|
void *video_hw_init(void)
|
|
{
|
|
struct fb_info *info;
|
|
|
|
if (mpc8610hpcd_diu_init() < 0)
|
|
return NULL;
|
|
|
|
/* fill in Graphic device struct */
|
|
sprintf(ctfb.modeIdent, "%ix%ix%i %ikHz %iHz", xres, yres, 32, 64, 60);
|
|
|
|
ctfb.frameAdrs = (unsigned int)fsl_fb_open(&info);
|
|
ctfb.winSizeX = xres;
|
|
ctfb.winSizeY = yres;
|
|
ctfb.plnSizeX = ctfb.winSizeX;
|
|
ctfb.plnSizeY = ctfb.winSizeY;
|
|
|
|
ctfb.gdfBytesPP = 4;
|
|
ctfb.gdfIndex = GDF_32BIT_X888RGB;
|
|
|
|
ctfb.isaBase = 0;
|
|
ctfb.pciBase = 0;
|
|
ctfb.memSize = info->screen_size;
|
|
|
|
/* Cursor Start Address */
|
|
ctfb.dprBase = 0;
|
|
ctfb.vprBase = 0;
|
|
ctfb.cprBase = 0;
|
|
|
|
return &ctfb;
|
|
}
|
|
|
|
#endif /* defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) */
|
|
|
|
#endif /* CONFIG_FSL_DIU_FB */
|