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York Suna8778802007-10-29 13:58:39 -05001/*
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
York Sun070ba562007-10-31 14:59:04 -050035#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
36#include <devices.h>
37#include <video_fb.h>
38#endif
York Suna8778802007-10-29 13:58:39 -050039
40extern unsigned int FSL_Logo_BMP[];
41
York Sun070ba562007-10-31 14:59:04 -050042static int xres, yres;
43
York Sun3b80c5f2008-05-05 10:19:59 -050044void 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}
York Suna8778802007-10-29 13:58:39 -050064
65void mpc8610hpcd_diu_init(void)
66{
67 char *monitor_port;
York Sun070ba562007-10-31 14:59:04 -050068 int gamma_fix;
York Suna8778802007-10-29 13:58:39 -050069 unsigned int pixel_format;
70 unsigned char tmp_val;
York Sun070ba562007-10-31 14:59:04 -050071 unsigned char pixis_arch;
York Suna8778802007-10-29 13:58:39 -050072
73 tmp_val = in8(PIXIS_BASE + PIXIS_BRDCFG0);
York Sun070ba562007-10-31 14:59:04 -050074 pixis_arch = in8(PIXIS_BASE + PIXIS_VER);
York Suna8778802007-10-29 13:58:39 -050075
York Sun070ba562007-10-31 14:59:04 -050076 monitor_port = getenv("monitor");
York Suna8778802007-10-29 13:58:39 -050077 if (!strncmp(monitor_port, "0", 1)) { /* 0 - DVI */
78 xres = 1280;
York Sun070ba562007-10-31 14:59:04 -050079 yres = 1024;
80 if (pixis_arch == 0x01)
81 pixel_format = 0x88882317;
82 else
83 pixel_format = 0x88883316;
York Suna8778802007-10-29 13:58:39 -050084 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;
York Sun070ba562007-10-31 14:59:04 -050089 yres = 768;
York Suna8778802007-10-29 13:58:39 -050090 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;
York Sun070ba562007-10-31 14:59:04 -050096 yres = 1024;
York Suna8778802007-10-29 13:58:39 -050097 pixel_format = 0x88883316;
98 gamma_fix = 1;
99 out8(PIXIS_BASE + PIXIS_BRDCFG0, tmp_val & 0xe7);
100
101 } else { /* DVI */
102 xres = 1280;
York Sun070ba562007-10-31 14:59:04 -0500103 yres = 1024;
York Suna8778802007-10-29 13:58:39 -0500104 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)) {
York Sun070ba562007-10-31 14:59:04 -0500124#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
125 fsl_diu_clear_screen();
126 drv_video_init();
127#else
York Suna8778802007-10-29 13:58:39 -0500128 mpc8610hpcd_diu_init();
York Sun070ba562007-10-31 14:59:04 -0500129#endif
York Suna8778802007-10-29 13:58:39 -0500130 } 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 );
York Sun070ba562007-10-31 14:59:04 -0500145
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
York Suna8778802007-10-29 13:58:39 -0500197#endif /* CONFIG_FSL_DIU_FB */