1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/*
* Copyright 2008 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 "../freescale/common/pixis.h"
#include "../freescale/common/fsl_diu_fb.h"
#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
#include <devices.h>
#include <video_fb.h>
#endif
extern unsigned int FSL_Logo_BMP[];
static int xres, yres;
void diu_set_pixel_clock(unsigned int pixclock)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile clk512x_t *clk = &immap->clk;
volatile unsigned int *clkdvdr = &clk->scfr[0];
unsigned long speed_ccb, temp, pixval;
speed_ccb = get_bus_freq(0) * 4;
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", *clkdvdr);
temp = *clkdvdr & 0xFFFFFF00;
*clkdvdr = temp | (pixval & 0xFF);
debug("DIU: Modified value of CLKDVDR = 0x%08x\n", *clkdvdr);
}
int ads5121_diu_init(void)
{
unsigned int pixel_format;
xres = 1024;
yres = 768;
pixel_format = 0x88883316;
return fsl_diu_init(xres, pixel_format, 0,
(unsigned char *)FSL_Logo_BMP);
}
int ads5121diu_init_show_bmp(cmd_tbl_t *cmdtp,
int flag, int argc, char *argv[])
{
unsigned int addr;
if (argc < 2) {
printf("Usage:\n%s\n", cmdtp->usage);
return 1;
}
if (!strncmp(argv[1], "init", 4)) {
#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
fsl_diu_clear_screen();
drv_video_init();
#else
return ads5121_diu_init();
#endif
} else {
addr = simple_strtoul(argv[1], NULL, 16);
fsl_diu_clear_screen();
fsl_diu_display_bmp((unsigned char *)addr, 0, 0, 0);
}
return 0;
}
U_BOOT_CMD(
diufb, CFG_MAXARGS, 1, ads5121diu_init_show_bmp,
"diufb init | addr - Init or Display BMP file\n",
"init\n - initialize DIU\n"
"addr\n - display bmp at address 'addr'\n"
);
#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
/*
* The Graphic Device
*/
GraphicDevice ctfb;
void *video_hw_init(void)
{
GraphicDevice *pGD = (GraphicDevice *) &ctfb;
struct fb_info *info;
if (ads5121_diu_init() < 0)
return;
/* fill in Graphic device struct */
sprintf(pGD->modeIdent, "%dx%dx%d %ldkHz %ldHz",
xres, yres, 32, 64, 60);
pGD->frameAdrs = (unsigned int)fsl_fb_open(&info);
pGD->winSizeX = xres;
pGD->winSizeY = yres - info->logo_height;
pGD->plnSizeX = pGD->winSizeX;
pGD->plnSizeY = pGD->winSizeY;
pGD->gdfBytesPP = 4;
pGD->gdfIndex = GDF_32BIT_X888RGB;
pGD->isaBase = 0;
pGD->pciBase = 0;
pGD->memSize = info->screen_size - info->logo_size;
/* Cursor Start Address */
pGD->dprBase = 0;
pGD->vprBase = 0;
pGD->cprBase = 0;
return (void *)pGD;
}
/**
* Set the LUT
*
* @index: color number
* @r: red
* @b: blue
* @g: green
*/
void video_set_lut
(unsigned int index, unsigned char r, unsigned char g, unsigned char b)
{
return;
}
#endif /* defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) */
#endif /* CONFIG_FSL_DIU_FB */
|
