source: SVN/rincon/u-boot/board/freescale/mpc8610hpcd/mpc8610hpcd_diu.c @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 22 months ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 4.8 KB
Line 
1/*
2 * Copyright 2007 Freescale Semiconductor, Inc.
3 * York Sun <yorksun@freescale.com>
4 *
5 * FSL DIU Framebuffer driver
6 *
7 * See file CREDITS for list of people who contributed to this
8 * project.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 * MA 02111-1307 USA
24 */
25
26#include <common.h>
27#include <command.h>
28#include <asm/io.h>
29
30#ifdef CONFIG_FSL_DIU_FB
31
32#include "../common/pixis.h"
33#include "../common/fsl_diu_fb.h"
34
35#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
36#include <devices.h>
37#include <video_fb.h>
38#endif
39
40extern unsigned int FSL_Logo_BMP[];
41
42static int xres, yres;
43
44void diu_set_pixel_clock(unsigned int pixclock)
45{
46        volatile immap_t *immap = (immap_t *)CFG_IMMR;
47        volatile ccsr_gur_t *gur = &immap->im_gur;
48        volatile unsigned int *guts_clkdvdr = &gur->clkdvdr;
49        unsigned long speed_ccb, temp, pixval;
50
51        speed_ccb = get_bus_freq(0);
52        temp = 1000000000/pixclock;
53        temp *= 1000;
54        pixval = speed_ccb / temp;
55        debug("DIU pixval = %lu\n", pixval);
56
57        /* Modify PXCLK in GUTS CLKDVDR */
58        debug("DIU: Current value of CLKDVDR = 0x%08x\n", *guts_clkdvdr);
59        temp = *guts_clkdvdr & 0x2000FFFF;
60        *guts_clkdvdr = temp;                           /* turn off clock */
61        *guts_clkdvdr = temp | 0x80000000 | ((pixval & 0x1F) << 16);
62        debug("DIU: Modified value of CLKDVDR = 0x%08x\n", *guts_clkdvdr);
63}
64
65void mpc8610hpcd_diu_init(void)
66{
67        char *monitor_port;
68        int gamma_fix;
69        unsigned int pixel_format;
70        unsigned char tmp_val;
71        unsigned char pixis_arch;
72
73        tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0);
74        pixis_arch = in8(PIXIS_BASE + PIXIS_VER);
75
76        monitor_port = getenv("monitor");
77        if (!strncmp(monitor_port, "0", 1)) {   /* 0 - DVI */
78                xres = 1280;
79                yres = 1024;
80                if (pixis_arch == 0x01)
81                        pixel_format = 0x88882317;
82                else
83                        pixel_format = 0x88883316;
84                gamma_fix = 0;
85                out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x08);
86
87        } else if (!strncmp(monitor_port, "1", 1)) { /* 1 - Single link LVDS */
88                xres = 1024;
89                yres = 768;
90                pixel_format = 0x88883316;
91                gamma_fix = 0;
92                out8(PIXIS_BASE + PIXIS_BRDCFG0, (tmp_val & 0xf7) | 0x10);
93
94        } else if (!strncmp(monitor_port, "2", 1)) { /* 2 - Double link LVDS */
95                xres = 1280;
96                yres = 1024;
97                pixel_format = 0x88883316;
98                gamma_fix = 1;
99                out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val & 0xe7);
100
101        } else {        /* DVI */
102                xres = 1280;
103                yres = 1024;
104                pixel_format = 0x88882317;
105                gamma_fix = 0;
106                out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val | 0x08);
107        }
108
109        fsl_diu_init(xres, pixel_format, gamma_fix,
110                     (unsigned char *)FSL_Logo_BMP);
111}
112
113int mpc8610diu_init_show_bmp(cmd_tbl_t *cmdtp,
114                             int flag, int argc, char *argv[])
115{
116        unsigned int addr;
117
118        if (argc < 2) {
119                printf ("Usage:\n%s\n", cmdtp->usage);
120                return 1;
121        }
122
123        if (!strncmp(argv[1],"init",4)) {
124#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
125                fsl_diu_clear_screen();
126                drv_video_init();
127#else
128                mpc8610hpcd_diu_init();
129#endif
130        } else {
131                addr = simple_strtoul(argv[1], NULL, 16);
132                fsl_diu_clear_screen();
133                fsl_diu_display_bmp((unsigned char *)addr, 0, 0, 0);
134        }
135
136        return 0;
137}
138
139U_BOOT_CMD(
140        diufb, CFG_MAXARGS, 1, mpc8610diu_init_show_bmp,
141        "diufb init | addr - Init or Display BMP file\n",
142        "init\n    - initialize DIU\n"
143        "addr\n    - display bmp at address 'addr'\n"
144        );
145
146
147#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
148
149/*
150 * The Graphic Device
151 */
152GraphicDevice ctfb;
153void *video_hw_init(void)
154{
155        GraphicDevice *pGD = (GraphicDevice *) &ctfb;
156        struct fb_info *info;
157
158        mpc8610hpcd_diu_init();
159
160        /* fill in Graphic device struct */
161        sprintf(pGD->modeIdent,
162                "%dx%dx%d %ldkHz %ldHz",
163                xres, yres, 32, 64, 60);
164
165        pGD->frameAdrs = (unsigned int)fsl_fb_open(&info);
166        pGD->winSizeX = xres;
167        pGD->winSizeY = yres - info->logo_height;
168        pGD->plnSizeX = pGD->winSizeX;
169        pGD->plnSizeY = pGD->winSizeY;
170
171        pGD->gdfBytesPP = 4;
172        pGD->gdfIndex = GDF_32BIT_X888RGB;
173
174        pGD->isaBase = 0;
175        pGD->pciBase = 0;
176        pGD->memSize = info->screen_size - info->logo_size;
177
178        /* Cursor Start Address */
179        pGD->dprBase = 0;
180        pGD->vprBase = 0;
181        pGD->cprBase = 0;
182
183        return (void *)pGD;
184}
185
186void video_set_lut (unsigned int index, /* color number */
187                    unsigned char r,    /* red */
188                    unsigned char g,    /* green */
189                    unsigned char b     /* blue */
190                    )
191{
192        return;
193}
194
195#endif /* defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) */
196
197#endif /* CONFIG_FSL_DIU_FB */
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