summaryrefslogtreecommitdiff
path: root/packages/u-boot/u-boot-mkimage-openmoko-native/uboot-s3c2410_fb.patch
blob: 9ed81b9cb64c4cc24484ccbb03d0a708c391626f (plain)
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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
Index: u-boot/drivers/Makefile
===================================================================
--- u-boot.orig/drivers/Makefile
+++ u-boot/drivers/Makefile
@@ -52,7 +52,7 @@
 	  ks8695eth.o \
 	  pxa_pcmcia.o mpc8xx_pcmcia.o tqm8xx_pcmcia.o	\
 	  rpx_pcmcia.o \
-	  fsl_i2c.o
+	  fsl_i2c.o s3c2410_fb.o
 
 SRCS	:= $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
Index: u-boot/drivers/s3c2410_fb.c
===================================================================
--- /dev/null
+++ u-boot/drivers/s3c2410_fb.c
@@ -0,0 +1,166 @@
+/*
+ * (C) Copyright 2006 by Openmoko, Inc.
+ * Author: Harald Welte <laforge@openmoko.org>
+ *
+ * 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>
+
+#if defined(CONFIG_VIDEO_S3C2410)
+
+#include <video_fb.h>
+#include "videomodes.h"
+#include <s3c2410.h>
+/*
+ * Export Graphic Device
+ */
+GraphicDevice smi;
+
+#define VIDEO_MEM_SIZE	0x200000	/* 480x640x16bit = 614400 bytes */
+
+extern void board_video_init(GraphicDevice *pGD);
+
+/*******************************************************************************
+ *
+ * Init video chip with common Linux graphic modes (lilo)
+ */
+void *video_hw_init (void)
+{
+	S3C24X0_LCD * const lcd = S3C24X0_GetBase_LCD();
+	GraphicDevice *pGD = (GraphicDevice *)&smi;
+	int videomode;
+	unsigned long t1, hsynch, vsynch;
+	char *penv;
+	int tmp, i, bits_per_pixel;
+	struct ctfb_res_modes *res_mode;
+	struct ctfb_res_modes var_mode;
+	unsigned char videoout;
+
+	/* Search for video chip */
+	printf("Video: ");
+
+	tmp = 0;
+
+	videomode = CFG_DEFAULT_VIDEO_MODE;
+	/* get video mode via environment */
+	if ((penv = getenv ("videomode")) != NULL) {
+		/* deceide if it is a string */
+		if (penv[0] <= '9') {
+			videomode = (int) simple_strtoul (penv, NULL, 16);
+			tmp = 1;
+		}
+	} else {
+		tmp = 1;
+	}
+	if (tmp) {
+		/* parameter are vesa modes */
+		/* search params */
+		for (i = 0; i < VESA_MODES_COUNT; i++) {
+			if (vesa_modes[i].vesanr == videomode)
+				break;
+		}
+		if (i == VESA_MODES_COUNT) {
+			printf ("no VESA Mode found, switching to mode 0x%x ", CFG_DEFAULT_VIDEO_MODE);
+			i = 0;
+		}
+		res_mode =
+			(struct ctfb_res_modes *) &res_mode_init[vesa_modes[i].
+								 resindex];
+		bits_per_pixel = vesa_modes[i].bits_per_pixel;
+	} else {
+
+		res_mode = (struct ctfb_res_modes *) &var_mode;
+		bits_per_pixel = video_get_params (res_mode, penv);
+	}
+
+	/* calculate hsynch and vsynch freq (info only) */
+	t1 = (res_mode->left_margin + res_mode->xres +
+	      res_mode->right_margin + res_mode->hsync_len) / 8;
+	t1 *= 8;
+	t1 *= res_mode->pixclock;
+	t1 /= 1000;
+	hsynch = 1000000000L / t1;
+	t1 *=
+		(res_mode->upper_margin + res_mode->yres +
+		 res_mode->lower_margin + res_mode->vsync_len);
+	t1 /= 1000;
+	vsynch = 1000000000L / t1;
+
+	/* fill in Graphic device struct */
+	sprintf (pGD->modeIdent, "%dx%dx%d %ldkHz %ldHz", res_mode->xres,
+		 res_mode->yres, bits_per_pixel, (hsynch / 1000),
+		 (vsynch / 1000));
+	printf ("%s\n", pGD->modeIdent);
+	pGD->winSizeX = res_mode->xres;
+	pGD->winSizeY = res_mode->yres;
+	pGD->plnSizeX = res_mode->xres;
+	pGD->plnSizeY = res_mode->yres;
+	switch (bits_per_pixel) {
+	case 8:
+		pGD->gdfBytesPP = 1;
+		pGD->gdfIndex = GDF__8BIT_INDEX;
+		break;
+	case 15:
+		pGD->gdfBytesPP = 2;
+		pGD->gdfIndex = GDF_15BIT_555RGB;
+		break;
+	case 16:
+		pGD->gdfBytesPP = 2;
+		pGD->gdfIndex = GDF_16BIT_565RGB;
+		break;
+	case 24:
+		pGD->gdfBytesPP = 3;
+		pGD->gdfIndex = GDF_24BIT_888RGB;
+		break;
+	}
+
+	/* statically configure settings */
+	pGD->winSizeX = pGD->plnSizeX = 480;
+	pGD->winSizeY = pGD->plnSizeY = 640;
+	pGD->gdfBytesPP = 2;
+	pGD->gdfIndex = GDF_16BIT_565RGB;
+
+	pGD->frameAdrs = LCD_VIDEO_ADDR;
+	pGD->memSize = VIDEO_MEM_SIZE;
+
+	board_video_init(pGD);
+
+	lcd->LCDSADDR1 = pGD->frameAdrs >> 1;
+
+	/* This marks the end of the frame buffer. */
+	lcd->LCDSADDR2 = (lcd->LCDSADDR1&0x1fffff) + (pGD->winSizeX+0) * pGD->winSizeY;
+	lcd->LCDSADDR3 = pGD->winSizeX;
+
+	/* Clear video memory */
+	memset(pGD->frameAdrs, 0, pGD->memSize);
+
+	/* Enable  Display  */
+	lcd->LCDCON1 |= 0x01;	/* ENVID = 1 */
+
+	return ((void*)&smi);
+}
+
+void
+video_set_lut (unsigned int index,	/* color number */
+	       unsigned char r,	/* red */
+	       unsigned char g,	/* green */
+	       unsigned char b	/* blue */
+    )
+{
+}
+
+#endif /* CONFIG_VIDEO_S3C2410 */
Index: u-boot/drivers/cfb_console.c
===================================================================
--- u-boot.orig/drivers/cfb_console.c
+++ u-boot/drivers/cfb_console.c
@@ -141,6 +141,14 @@
 #endif
 
 /*****************************************************************************/
+/* Defines for the S3C2410 driver					     */
+/*****************************************************************************/
+#ifdef CONFIG_VIDEO_S3C2410
+/* it actually is little-endian, but the host CPU, too ! */
+//#define VIDEO_FB_LITTLE_ENDIAN
+#endif
+
+/*****************************************************************************/
 /* Include video_fb.h after definitions of VIDEO_HW_RECTFILL etc	     */
 /*****************************************************************************/
 #include <video_fb.h>
@@ -307,6 +315,11 @@
 #define SHORTSWAP32(x)	 (x)
 #endif
 
+#ifdef CONFIG_VIDEO_S3C2410
+#undef SHORTSWAP32
+#define	SHORTSWAP32(x)	((((x) & 0xffff) << 16) | (((x) >> 16) & 0xffff))
+#endif
+
 #if defined(DEBUG) || defined(DEBUG_CFB_CONSOLE)
 #define PRINTD(x)	  printf(x)
 #else