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
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
|
/*
* Copyright (C) 2010 Marek Belisko <marek.belisko@open-nandra.com>
*
* Based on a9m2440.c board init by Juergen Beisert, Pengutronix
*
* 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.
*
*
*/
#include <common.h>
#include <driver.h>
#include <init.h>
#include <generated/mach-types.h>
#include <partition.h>
#include <dm9000.h>
#include <nand.h>
#include <mci.h>
#include <fb.h>
#include <asm/armlinux.h>
#include <asm/sections.h>
#include <io.h>
#include <gpio.h>
#include <mach/iomux.h>
#include <mach/s3c-iomap.h>
#include <mach/devices-s3c24xx.h>
#include <mach/s3c24xx-nand.h>
#include <mach/s3c-generic.h>
#include <mach/s3c-mci.h>
#include <mach/s3c24xx-fb.h>
#include <mach/s3c-busctl.h>
#include <mach/s3c24xx-gpio.h>
static struct s3c24x0_nand_platform_data nand_info = {
.nand_timing = CALC_NFCONF_TIMING(MINI2440_TACLS, MINI2440_TWRPH0,
MINI2440_TWRPH1),
.flash_bbt = 1, /* same as the kernel */
};
/*
* dm9000 network controller onboard
* Connected to CS line 4 and interrupt line EINT7,
* data width is 16 bit
* Area 1: Offset 0x300...0x303
* Area 2: Offset 0x304...0x307
*/
static struct dm9000_platform_data dm9000_data = {
.srom = 1,
};
static struct s3c_mci_platform_data mci_data = {
.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED,
.voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
.gpio_detect = 232, /* GPG8_GPIO */
.detect_invert = 0,
};
static struct fb_videomode s3c24x0_fb_modes[] = {
#ifdef CONFIG_MINI2440_VIDEO_N35
{
.name = "N35",
.refresh = 60,
.xres = 240,
.left_margin = 21,
.right_margin = 38,
.hsync_len = 6,
.yres = 320,
.upper_margin = 4,
.lower_margin = 4,
.vsync_len = 2,
.pixclock = 115913,
.sync = FB_SYNC_USE_PWREN,
.vmode = FB_VMODE_NONINTERLACED,
},
#endif
#ifdef CONFIG_MINI2440_VIDEO_A70
{
.name = "A70",
.refresh = 50,
.xres = 800,
.left_margin = 40,
.right_margin = 40,
.hsync_len = 48,
.yres = 480,
.upper_margin = 29,
.lower_margin = 3,
.vsync_len = 3,
.pixclock = 41848,
.sync = FB_SYNC_USE_PWREN | FB_SYNC_DE_HIGH_ACT,
.vmode = FB_VMODE_NONINTERLACED,
.flag = 0,
},
#endif
#ifdef CONFIG_MINI2440_VIDEO_SVGA
{
.name = "SVGA",
.refresh = 24,
.xres = 1024,
.left_margin = 1,
.right_margin = 2,
.hsync_len = 2,
.yres = 768,
.upper_margin = 200,
.lower_margin = 16,
.vsync_len = 16,
.pixclock = 40492,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT | FB_SYNC_DE_HIGH_ACT
/* | FB_SYNC_SWAP_HW */ /* FIXME maybe */ ,
.vmode = FB_VMODE_NONINTERLACED,
.flag = 0,
},
#endif
};
static struct s3c_fb_platform_data s3c24x0_fb_data = {
.mode_list = s3c24x0_fb_modes,
.mode_cnt = sizeof(s3c24x0_fb_modes) / sizeof(struct fb_videomode),
.bits_per_pixel = 16,
.passive_display = 0,
};
static const unsigned pin_usage[] = {
/* address bus, used by NOR, SDRAM */
GPA1_ADDR16,
GPA2_ADDR17,
GPA3_ADDR18,
GPA4_ADDR19,
GPA5_ADDR20,
GPA6_ADDR21,
GPA7_ADDR22,
GPA8_ADDR23_GPIO | GPIO_IN,
GPA9_ADDR24, /* BA0 */
GPA10_ADDR25, /* BA1 */
GPA11_ADDR26_GPIO | GPIO_IN, /* not connected */
/* DM9000 requirements */
GPA15_NGCS4,
GPF7_EINT7,
/* de-activate the speaker */
GPB0_GPIO | GPIO_OUT | GPIO_VAL(0),
/* SD socket */
GPE5_SDCLK,
GPE6_SDCMD,
GPE7_SDDAT0,
GPE8_SDDAT1,
GPE9_SDDAT2,
GPE10_SDDAT3,
GPG8_GPIO | GPIO_IN, /* change detection */
GPH8_GPIO | GPIO_IN, /* write protection sense */
/* NAND requirements */
GPA17_CLE,
GPA18_ALE,
GPA19_NFWE,
GPA20_NFRE,
GPA21_NRSTOUT,
GPA22_NFCE,
/* Video out */
GPC0_LEND,
GPC1_VCLK,
GPC2_VLINE,
GPC3_VFRAME,
GPC4_VM,
GPC5_LPCOE,
GPC6_LPCREV,
GPC7_LPCREVB,
GPG4_LCD_PWREN,
GPC8_VD0,
GPC9_VD1,
GPC10_VD2,
GPC11_VD3,
GPC12_VD4,
GPC13_VD5,
GPC14_VD6,
GPC15_VD7,
GPD0_VD8,
GPD1_VD9,
GPD2_VD10,
GPD3_VD11,
GPD4_VD12,
GPD5_VD13,
GPD6_VD14,
GPD7_VD15,
GPD8_VD16,
GPD9_VD17,
GPD10_VD18,
GPD11_VD19,
GPD12_VD20,
GPD13_VD21,
GPD14_VD22,
GPD15_VD23,
/* K6 or CON12, pin 6, external pull up */
GPG11_EINT19 | GPIO_IN,
/* K5 or CON12, pin 5*/
GPG7_EINT15 | GPIO_IN,
/* K4 or CON12, pin 4 */
GPG6_EINT14 | GPIO_IN,
/* K3 or CON12, pin 3 */
GPG5_EINT13 | GPIO_IN,
/* K2 or CON12, pin 2 */
GPG3_EINT11 | GPIO_IN,
/* K1 or CON12, pin 1, external pull up */
GPG0_EINT8 | GPIO_IN,
/* LED 1 1=off */
GPB5_GPIO | GPIO_OUT | GPIO_VAL(1),
/* LED 2 1=off */
GPB6_GPIO | GPIO_OUT | GPIO_VAL(1),
/* LED 3 1=off */
GPB7_GPIO | GPIO_OUT | GPIO_VAL(1),
/* LED 4 1=off */
GPB8_GPIO | GPIO_OUT | GPIO_VAL(1),
/* camera interface (ignore it) */
GPJ0_GPIO | GPIO_IN,
GPJ1_GPIO | GPIO_IN,
GPJ2_GPIO | GPIO_IN,
GPJ3_GPIO | GPIO_IN,
GPJ4_GPIO | GPIO_IN,
GPJ5_GPIO | GPIO_IN,
GPJ6_GPIO | GPIO_IN,
GPJ7_GPIO | GPIO_IN,
GPJ8_GPIO | GPIO_IN,
GPJ9_GPIO | GPIO_IN,
GPJ10_GPIO | GPIO_IN,
GPJ11_GPIO | GPIO_IN,
GPJ12_GPIO | GPIO_IN,
/* I2C bus */
GPE14_IICSCL, /* external pull up */
GPE15_IICSDA, /* external pull up */
GPA12_NGCS1, /* CON5, pin 7 */
GPA13_NGCS2, /* CON5, pin 8 */
GPA14_NGCS3, /* CON5, pin 9 */
GPA16_NGCS5, /* CON5, pin 10 */
/* UART2 (spare) */
GPH4_TXD1,
GPH5_RXD1,
/* UART3 (spare) */
GPH6_TXD2,
GPH7_RXD2,
};
static int mini2440_mem_init(void)
{
arm_add_mem_device("ram0", S3C_SDRAM_BASE, s3c24xx_get_memory_size());
return 0;
}
mem_initcall(mini2440_mem_init);
static int mini2440_devices_init(void)
{
uint32_t reg;
int i;
/* ----------- configure the access to the outer space ---------- */
for (i = 0; i < ARRAY_SIZE(pin_usage); i++)
s3c_gpio_mode(pin_usage[i]);
reg = readl(S3C_BWSCON);
/* CS#4 to access the network controller */
reg &= ~0x000f0000;
reg |= 0x000d0000; /* 16 bit */
writel(0x1f4c, S3C_BANKCON4);
writel(reg, S3C_BWSCON);
/* release the reset signal to external devices */
reg = readl(S3C_MISCCR);
reg |= 0x10000;
writel(reg, S3C_MISCCR);
s3c24xx_add_nand(&nand_info);
add_dm9000_device(0, S3C_CS4_BASE + 0x300, S3C_CS4_BASE + 0x304,
IORESOURCE_MEM_16BIT, &dm9000_data);
#ifdef CONFIG_NAND
/* ----------- add some vital partitions -------- */
devfs_del_partition("self_raw");
devfs_add_partition("nand0", 0x00000, 0x40000, DEVFS_PARTITION_FIXED, "self_raw");
dev_add_bb_dev("self_raw", "self0");
devfs_del_partition("env_raw");
devfs_add_partition("nand0", 0x40000, 0x20000, DEVFS_PARTITION_FIXED, "env_raw");
dev_add_bb_dev("env_raw", "env0");
#endif
s3c24xx_add_mci(&mci_data);
s3c24xx_add_fb(&s3c24x0_fb_data);
s3c24xx_add_ohci();
armlinux_set_architecture(MACH_TYPE_MINI2440);
return 0;
}
device_initcall(mini2440_devices_init);
static int mini2440_console_init(void)
{
/*
* configure the UART1 right now, as barebox will
* start to send data immediately
*/
s3c_gpio_mode(GPH0_NCTS0);
s3c_gpio_mode(GPH1_NRTS0);
s3c_gpio_mode(GPH2_TXD0);
s3c_gpio_mode(GPH3_RXD0);
barebox_set_model("Friendlyarm mini2440");
barebox_set_hostname("mini2440");
s3c24xx_add_uart1();
return 0;
}
console_initcall(mini2440_console_init);
|
