tsiry-sandratraina.com
A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 by Maurus Cuelenaere
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21
22#include "config.h"
23#include "jz4740.h"
24#include "../kernel-internal.h"
25#include "backlight.h"
26#include "font.h"
27#include "lcd.h"
28#include "file.h"
29#include "usb.h"
30#include "system.h"
31#include "button.h"
32#include "common.h"
33#include "rb-loader.h"
34#include "loader_strerror.h"
35#include "storage.h"
36#include "file_internal.h"
37#include "disk.h"
38#include "string.h"
39#include "adc.h"
40#include "version.h"
41
42extern void show_logo(void);
43extern void power_off(void);
44
45static void show_splash(int timeout, const char *msg)
46{
47 reset_screen();
48 lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * strlen(msg))) / 2,
49 (LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg);
50 lcd_update();
51
52 sleep(timeout);
53}
54
55static void usb_mode(void)
56{
57 int button;
58
59 /* Init USB */
60 usb_init();
61 usb_start_monitoring();
62
63 /* Wait for threads to connect */
64 show_splash(HZ/2, "Waiting for USB");
65
66 while (1)
67 {
68 button = button_get_w_tmo(HZ/2);
69
70 if (button == SYS_USB_CONNECTED)
71 break; /* Hit */
72 }
73
74 if (button == SYS_USB_CONNECTED)
75 {
76 /* Got the message - wait for disconnect */
77 show_splash(0, "Bootloader USB mode");
78
79 usb_acknowledge(SYS_USB_CONNECTED_ACK);
80
81 while (1)
82 {
83 button = button_get(true);
84 if (button == SYS_USB_DISCONNECTED)
85 break;
86 }
87 }
88}
89
90static int boot_of(void)
91{
92 int fd, rc, len, i, checksum = 0;
93 void (*kernel_entry)(int, void*, void*);
94
95 printf("Mounting disk...");
96 rc = disk_mount_all();
97 if (rc <= 0)
98 error(EDISK, rc, true);
99
100 /* TODO: get this from the NAND flash instead of SD */
101 fd = open("/ccpmp.bin", O_RDONLY);
102 if(fd < 0)
103 return EFILE_NOT_FOUND;
104
105 lseek(fd, 4, SEEK_SET);
106 rc = read(fd, (char*)&len, 4); /* CPU is LE */
107 if(rc < 4)
108 return EREAD_IMAGE_FAILED;
109
110 len += 8;
111 printf("Reading %d bytes...", len);
112
113 lseek(fd, 0, SEEK_SET);
114 rc = read(fd, (void*)0x80004000, len);
115 if(rc < len)
116 return EREAD_IMAGE_FAILED;
117
118 close(fd);
119
120 for(i=0; i<len; i++)
121 checksum += ((unsigned char*)0x80004000)[i];
122
123 *((unsigned int*)0x80004000) = checksum;
124
125 printf("Starting the OF...");
126
127 /* OF requires all clocks on */
128 __cpm_start_all();
129
130 disable_interrupt();
131 commit_discard_idcache();
132
133 for(i=8000; i>0; i--)
134 asm volatile("nop\n");
135
136 kernel_entry = (void*) 0x80004008;
137 kernel_entry(0, "Jan 10 2008", "15:34:42"); /* Reversed from the SPL */
138
139 return 0; /* Shouldn't happen */
140}
141
142static int boot_rockbox(void)
143{
144 int rc;
145 void (*kernel_entry)(void);
146
147 printf("Mounting disk...");
148 rc = disk_mount_all();
149 if (rc <= 0)
150 error(EDISK,rc, true);
151
152 printf("Loading firmware...");
153 rc = load_firmware((unsigned char *)CONFIG_SDRAM_START, BOOTFILE, 0x400000);
154 if(rc <= EFILE_EMPTY)
155 return rc;
156 else
157 {
158 printf("Starting Rockbox...");
159 adc_close(); /* Disable SADC, seems to fix the re-init Rockbox does */
160
161 disable_interrupt();
162 kernel_entry = (void*) CONFIG_SDRAM_START;
163 kernel_entry();
164
165 return 0; /* Shouldn't happen */
166 }
167}
168
169static void reset_configuration(void)
170{
171 int rc;
172
173 rc = disk_mount_all();
174 if (rc <= 0)
175 error(EDISK,rc, true);
176
177 if(rename(ROCKBOX_DIR "/config.cfg", ROCKBOX_DIR "/config.old") == 0)
178 show_splash(HZ/2, "Configuration reset successfully!");
179 else
180 show_splash(HZ/2, "Couldn't reset configuration!");
181}
182
183#define RECT_X (LCD_WIDTH/8)
184#define RECT_Y(i) (LCD_HEIGHT/20 + LCD_HEIGHT/10*i + RECT_HEIGHT*i)
185#define RECT_WIDTH (LCD_WIDTH*3/4)
186#define RECT_HEIGHT (LCD_HEIGHT/ARRAYLEN(strings) - LCD_HEIGHT/10)
187#define TEXT_X(i) (RECT_X + RECT_WIDTH/2 - strlen(strings[i])*SYSFONT_WIDTH/2)
188#define TEXT_Y(i) (RECT_Y(i) + RECT_HEIGHT/2 - SYSFONT_HEIGHT/2)
189static int boot_menu(void)
190{
191 const char* strings[] = {"Boot Rockbox", "Boot OF", "USB mode", "Reset Rockbox configuration"};
192 int button, touch, poweroff_repeat = 0;
193 unsigned int i;
194
195 verbose = true;
196 adc_init();
197
198redraw:
199 lcd_clear_display();
200 for(i=0; i<ARRAYLEN(strings); i++)
201 {
202 lcd_drawrect(RECT_X, RECT_Y(i), RECT_WIDTH, RECT_HEIGHT);
203 lcd_putsxy(TEXT_X(i), TEXT_Y(i), strings[i]);
204 }
205 lcd_update();
206
207 while(1)
208 {
209 button = button_get_w_tmo(HZ/4);
210 if(button & BUTTON_TOUCHSCREEN)
211 {
212 touch = button_get_data();
213 unsigned int x = touch & 0xFFFF, y = touch >> 16;
214 int found = -1;
215 for(i=0; i<ARRAYLEN(strings); i++)
216 {
217 if(x > RECT_X && x < RECT_X+RECT_WIDTH &&
218 y > RECT_Y(i) && y < RECT_Y(i)+RECT_HEIGHT)
219 {
220 found = i;
221 break;
222 }
223 }
224
225 switch(found)
226 {
227 case 0:
228 reset_screen();
229 boot_rockbox();
230 break;
231 case 1:
232 reset_screen();
233 boot_of();
234 break;
235 case 2:
236 usb_mode();
237 break;
238 case 3:
239 reset_configuration();
240 break;
241 }
242
243 if(found != -1)
244 goto redraw;
245 }
246 else if(button & BUTTON_POWER)
247 {
248 if(poweroff_repeat++ > 8)
249 power_off();
250 }
251 else
252 poweroff_repeat = 0;
253 }
254 return 0;
255}
256
257int main(void)
258{
259 int rc;
260#ifdef HAVE_TOUCHSCREEN
261 int dummy;
262#endif
263
264 kernel_init();
265 lcd_init();
266 font_init();
267 lcd_setfont(FONT_SYSFIXED);
268 button_init();
269 backlight_init();
270
271 show_logo();
272
273 filesystem_init();
274
275 rc = storage_init();
276 if(rc)
277 error(EATA, rc, true);
278
279 /* Don't mount the disks yet, there could be file system/partition errors
280 which are fixable in USB mode */
281
282#ifdef HAVE_TOUCHSCREEN
283 rc = button_read_device(&dummy);
284#else
285 rc = button_read_device();
286#endif
287
288 if(rc)
289 verbose = true;
290
291#ifdef BUTTON_VOL_UP
292 if(rc & BUTTON_VOL_UP ||
293#endif
294#ifdef BUTTON_POWER
295 rc & BUTTON_POWER ||
296#endif
297 0)
298 rc = boot_menu();
299
300 if(verbose)
301 reset_screen();
302 printf(MODEL_NAME" Rockbox Bootloader");
303 printf("Version %s", rbversion);
304
305#ifdef HAS_BUTTON_HOLD
306 if(button_hold())
307 rc = boot_of();
308 else
309#endif
310 rc = boot_rockbox();
311
312 if(rc <= EFILE_EMPTY)
313 printf("Error: %s", loader_strerror(rc));
314
315 /* Halt */
316 while (1)
317 core_idle();
318
319 return 0;
320}