1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Copyright © 2008 Rafaël Carré
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.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
20 ****************************************************************************/
23 #include "debug-target.h"
31 #include "ascodec-target.h"
36 #define OFF "Disabled"
38 #define CP15_MMU (1<<0) /* mmu off/on */
39 #define CP15_DC (1<<2) /* dcache off/on */
40 #define CP15_IC (1<<12) /* icache off/on */
42 #define CLK_MAIN 24000000 /* 24 MHz */
55 #define CLK_SD_MCLK_NAND 11
56 #define CLK_SD_MCLK_MSD 12
59 #define I2C2_CPSR0 *((volatile unsigned int *)(I2C_AUDIO_BASE + 0x1C))
60 #define I2C2_CPSR1 *((volatile unsigned int *)(I2C_AUDIO_BASE + 0x20))
61 #define MCI_NAND *((volatile unsigned long *)(NAND_FLASH_BASE + 0x04))
62 #define MCI_SD *((volatile unsigned long *)(SD_MCI_BASE + 0x04))
64 extern bool sd_enabled
;
66 /* FIXME: target tree is including ./debug-target.h rather than the one in
67 * sansa-fuze/, even though deps contains the correct one
68 * if I put the below into a sansa-fuze/debug-target.h, it doesn't work*/
69 #if defined(SANSA_FUZE) || defined(SANSA_E200V2) || defined(SANSA_C200V2)
71 #include "dbop-as3525.h"
74 static inline unsigned read_cp15 (void)
78 "mrc p15, 0, %0, c1, c0, 0 @ read control reg\n" : "=r"(cp15_value
));
82 static int calc_freq(int clk
)
84 unsigned int prediv
= ((unsigned int)CGU_PROC
>>2) & 0x3;
85 unsigned int postdiv
= ((unsigned int)CGU_PROC
>>4) & 0xf;
86 #if CONFIG_CPU == AS3525
90 /* clk_main = clk_int = 24MHz oscillator */
92 if(CGU_PLLASUP
& (1<<3))
95 /*assume 24MHz oscillator only input available */
96 out_div
= ((CGU_PLLA
>>13) & 0x3); /* bits 13:14 */
97 if (out_div
== 3) /* for 11 NO=4 */
99 if(out_div
) /* NO = 0 not allowed */
100 return ((2 * (CGU_PLLA
& 0xff))*CLK_MAIN
)/
101 (((CGU_PLLA
>>8) & 0x1f)*out_div
);
104 if(CGU_PLLBSUP
& (1<<3))
107 /*assume 24MHz oscillator only input available */
108 out_div
= ((CGU_PLLB
>>13) & 0x3); /* bits 13:14 */
109 if (out_div
== 3) /* for 11 NO=4 */
111 if(out_div
) /* NO = 0 not allowed */
112 return ((2 * (CGU_PLLB
& 0xff))*CLK_MAIN
)/
113 (((CGU_PLLB
>>8) & 0x1f)*out_div
);
118 /* we're using a known setting for PLLA = 240 MHz and PLLB inop */
126 #if CONFIG_CPU == AS3525 /* not in arm926-ejs */
127 if (!(read_cp15()>>30)) /* fastbus */
128 return calc_freq(CLK_PCLK
);
129 else /* Synch or Asynch bus*/
130 #endif /* CONFIG_CPU == AS3525 */
131 return calc_freq(CLK_FCLK
);
133 switch(CGU_PROC
& 3) {
135 return (CLK_MAIN
* (8 - prediv
)) / (8 * (postdiv
+ 1));
137 return (calc_freq(CLK_PLLA
) * (8 - prediv
)) /
140 return (calc_freq(CLK_PLLB
) * (8 - prediv
)) /
146 #if CONFIG_CPU == AS3525
147 switch(CGU_PERI
& 3) {
149 /* bits 1:0 of CGU_PERI always read as 0 and source = FCLK */
153 return CLK_MAIN
/(((CGU_PERI
>>2)& 0xf)+1);
155 return calc_freq(CLK_PLLA
)/(((CGU_PERI
>>2)& 0xf)+1);
157 return calc_freq(CLK_PLLB
)/(((CGU_PERI
>>2)& 0xf)+1);
160 return calc_freq(CLK_FCLK
)/(((CGU_PERI
>>2)& 0xf)+1);
163 return calc_freq(CLK_EXTMEM
)/(((CGU_PERI
>>6)& 0x1)+1);
165 switch(CGU_IDE
& 3) {
167 return CLK_MAIN
/(((CGU_IDE
>>2)& 0xf)+1);
169 return calc_freq(CLK_PLLA
)/(((CGU_IDE
>>2)& 0xf)+1);
171 return calc_freq(CLK_PLLB
)/(((CGU_IDE
>>2)& 0xf)+1);
176 return calc_freq(CLK_PCLK
)/AS3525_I2C_PRESCALER
;
178 switch((CGU_AUDIO
>>12) & 3) {
180 return CLK_MAIN
/(((CGU_AUDIO
>>14) & 0x1ff)+1);
182 return calc_freq(CLK_PLLA
)/(((CGU_AUDIO
>>14) & 0x1ff)+1);
184 return calc_freq(CLK_PLLB
)/(((CGU_AUDIO
>>14) & 0x1ff)+1);
189 switch(CGU_AUDIO
& 3) {
191 return CLK_MAIN
/(((CGU_AUDIO
>>2) & 0x1ff)+1);
193 return calc_freq(CLK_PLLA
)/(((CGU_AUDIO
>>2) & 0x1ff)+1);
195 return calc_freq(CLK_PLLB
)/(((CGU_AUDIO
>>2) & 0x1ff)+1);
200 return calc_freq(CLK_PCLK
)/((CGU_DBOP
& 7)+1);
201 #if CONFIG_CPU == AS3525
202 case CLK_SD_MCLK_NAND
:
203 if(!(MCI_NAND
& (1<<8)))
205 else if(MCI_NAND
& (1<<10))
206 return calc_freq(CLK_IDE
);
208 return calc_freq(CLK_IDE
)/(((MCI_NAND
& 0xff)+1)*2);
209 case CLK_SD_MCLK_MSD
:
210 if(!(MCI_SD
& (1<<8)))
212 else if(MCI_SD
& (1<<10))
213 return calc_freq(CLK_PCLK
);
215 return calc_freq(CLK_PCLK
)/(((MCI_SD
& 0xff)+1)*2);
218 switch(CGU_USB
& 3) { /* 0-> div=1 other->div=1/(2*n) */
220 if (!((CGU_USB
>>2) & 0x7))
223 return CLK_MAIN
/(2*((CGU_USB
>>2) & 0x7));
225 if (!((CGU_USB
>>2) & 0x7))
226 return calc_freq(CLK_PLLA
);
228 return calc_freq(CLK_PLLA
)/(2*((CGU_USB
>>2) & 0x7));
230 if (!((CGU_USB
>>2) & 0x7))
231 return calc_freq(CLK_PLLB
);
233 return calc_freq(CLK_PLLB
)/(2*((CGU_USB
>>2) & 0x7));
242 bool __dbg_hw_info(void)
245 #if CONFIG_CPU == AS3525
247 #ifdef HAVE_MULTIDRIVE
250 #endif /* CONFIG_CPU == AS3525 */
253 lcd_setfont(FONT_SYSFIXED
);
262 lcd_puts(0, line
++, "[Submodel:]");
263 lcd_putsf(0, line
++, "C200v2 variant %d", c200v2_variant
);
265 int btn
= button_get(1);
266 if(btn
== (DEBUG_CANCEL
|BUTTON_REL
))
268 else if(btn
== (BUTTON_DOWN
|BUTTON_REL
))
276 lcd_puts(0, line
++, "[Clock Frequencies:]");
277 lcd_puts(0, line
++, " SET ACTUAL");
278 #if CONFIG_CPU == AS3525
279 lcd_putsf(0, line
++, "922T:%s %3dMHz",
280 (!(read_cp15()>>30)) ? "FAST " :
281 (read_cp15()>>31) ? "ASYNC" : "SYNC ",
283 lcd_putsf(0, line
++, "926ejs: %3dMHz",
285 calc_freq(CLK_PROC
)/1000000);
286 lcd_putsf(0, line
++, "PLLA:%3dMHz %3dMHz", AS3525_PLLA_FREQ
/1000000,
287 calc_freq(CLK_PLLA
)/1000000);
288 lcd_putsf(0, line
++, "PLLB: %3dMHz", calc_freq(CLK_PLLB
)/1000000);
289 lcd_putsf(0, line
++, "FCLK: %3dMHz", calc_freq(CLK_FCLK
)/1000000);
290 lcd_putsf(0, line
++, "DRAM:%3dMHz %3dMHz", AS3525_PCLK_FREQ
/1000000,
291 calc_freq(CLK_EXTMEM
)/1000000);
292 lcd_putsf(0, line
++, "PCLK:%3dMHz %3dMHz", AS3525_PCLK_FREQ
/1000000,
293 calc_freq(CLK_PCLK
)/1000000);
295 #if LCD_HEIGHT < 176 /* clip */
297 int btn
= button_get_w_tmo(HZ
/10);
298 if(btn
== (DEBUG_CANCEL
|BUTTON_REL
))
300 else if(btn
== (BUTTON_DOWN
|BUTTON_REL
))
307 #endif /* LCD_HEIGHT < 176 */
309 lcd_putsf(0, line
++, "IDE :%3dMHz %3dMHz", AS3525_IDE_FREQ
/1000000,
310 calc_freq(CLK_IDE
)/1000000);
311 lcd_putsf(0, line
++, "DBOP:%3dMHz %3dMHz", AS3525_DBOP_FREQ
/1000000,
312 calc_freq(CLK_DBOP
)/1000000);
313 lcd_putsf(0, line
++, "I2C :%3dkHz %3dkHz", AS3525_I2C_FREQ
/1000,
314 calc_freq(CLK_I2C
)/1000);
315 lcd_putsf(0, line
++, "I2SI: %s %3dMHz", (CGU_AUDIO
& (1<<23)) ?
316 "on " : "off" , calc_freq(CLK_I2SI
)/1000000);
317 lcd_putsf(0, line
++, "I2SO: %s %3dMHz", (CGU_AUDIO
& (1<<11)) ?
318 "on " : "off", calc_freq(CLK_I2SO
)/1000000);
319 #if CONFIG_CPU == AS3525
320 /* If disabled, enable SD cards so we can read the registers */
321 if(sd_enabled
== false)
324 last_nand
= MCI_NAND
;
325 #ifdef HAVE_MULTIDRIVE
331 lcd_putsf(0, line
++, "SD :%3dMHz %3dMHz",
332 ((AS3525_IDE_FREQ
/ 1000000) /
333 ((last_nand
& MCI_CLOCK_BYPASS
)? 1:(((last_nand
& 0xff)+1) * 2))),
334 calc_freq(CLK_SD_MCLK_NAND
)/1000000);
335 #ifdef HAVE_MULTIDRIVE
336 lcd_putsf(0, line
++, "uSD :%3dMHz %3dMHz",
337 ((AS3525_PCLK_FREQ
/ 1000000) /
338 ((last_sd
& MCI_CLOCK_BYPASS
) ? 1: (((last_sd
& 0xff) + 1) * 2))),
339 calc_freq(CLK_SD_MCLK_MSD
)/1000000);
341 #endif /* CONFIG_CPU == AS3525 */
342 lcd_putsf(0, line
++, "USB : %3dMHz", calc_freq(CLK_USB
)/1000000);
344 #if LCD_HEIGHT < 176 /* clip */
346 int btn
= button_get_w_tmo(HZ
/10);
347 if(btn
== (DEBUG_CANCEL
|BUTTON_REL
))
349 else if(btn
== (BUTTON_DOWN
|BUTTON_REL
))
356 #endif /* LCD_HEIGHT < 176 */
358 lcd_putsf(0, line
++, "MMU : %s CVDDP:%4d", (read_cp15() & CP15_MMU
) ?
359 " on" : "off", adc_read(ADC_CVDD
) * 25);
360 lcd_putsf(0, line
++, "Icache:%s Dcache:%s",
361 (read_cp15() & CP15_IC
) ? " on" : "off",
362 (read_cp15() & CP15_DC
) ? " on" : "off");
365 int btn
= button_get_w_tmo(HZ
/10);
366 if(btn
== (DEBUG_CANCEL
|BUTTON_REL
))
368 else if(btn
== (BUTTON_DOWN
|BUTTON_REL
))
376 lcd_putsf(0, line
++, "CGU_PLLA :%8x", (unsigned int)(CGU_PLLA
));
377 lcd_putsf(0, line
++, "CGU_PLLB :%8x", (unsigned int)(CGU_PLLB
));
378 lcd_putsf(0, line
++, "CGU_PROC :%8x", (unsigned int)(CGU_PROC
));
379 lcd_putsf(0, line
++, "CGU_PERI :%8x", (unsigned int)(CGU_PERI
));
380 lcd_putsf(0, line
++, "CGU_IDE :%8x", (unsigned int)(CGU_IDE
));
381 lcd_putsf(0, line
++, "CGU_DBOP :%8x", (unsigned int)(CGU_DBOP
));
382 lcd_putsf(0, line
++, "CGU_AUDIO :%8x", (unsigned int)(CGU_AUDIO
));
383 lcd_putsf(0, line
++, "CGU_USB :%8x", (unsigned int)(CGU_USB
));
385 #if LCD_HEIGHT < 176 /* clip */
387 int btn
= button_get_w_tmo(HZ
/10);
388 if(btn
== (DEBUG_CANCEL
|BUTTON_REL
))
390 else if(btn
== (BUTTON_DOWN
|BUTTON_REL
))
397 #endif /* LCD_HEIGHT < 176 */
399 lcd_putsf(0, line
++, "I2C2_CPSR :%8x", (unsigned int)(I2C2_CPSR1
<<8 |
401 #if CONFIG_CPU == AS3525
402 lcd_putsf(0, line
++, "MCI_NAND :%8x", (unsigned int)(MCI_NAND
));
403 lcd_putsf(0, line
++, "MCI_SD :%8x", (unsigned int)(MCI_SD
));
405 lcd_putsf(0, line
++, "CGU_MEMSTK:%8x", (unsigned int)(CGU_MEMSTICK
));
406 lcd_putsf(0, line
++, "CGU_SDSLOT:%8x", (unsigned int)(CGU_SDSLOT
));
410 int btn
= button_get_w_tmo(HZ
/10);
411 if(btn
== (DEBUG_CANCEL
|BUTTON_REL
))
413 else if(btn
== (BUTTON_DOWN
|BUTTON_REL
))
419 lcd_setfont(FONT_UI
);
423 bool __dbg_ports(void)
428 lcd_setfont(FONT_SYSFIXED
);
433 lcd_puts(0, line
++, "[GPIO Values and Directions]");
434 lcd_putsf(0, line
++, "GPIOA: %2x DIR: %2x", GPIOA_DATA
, GPIOA_DIR
);
435 lcd_putsf(0, line
++, "GPIOB: %2x DIR: %2x", GPIOB_DATA
, GPIOB_DIR
);
436 lcd_putsf(0, line
++, "GPIOC: %2x DIR: %2x", GPIOC_DATA
, GPIOC_DIR
);
437 lcd_putsf(0, line
++, "GPIOD: %2x DIR: %2x", GPIOD_DATA
, GPIOD_DIR
);
440 lcd_puts(0, line
++, "[DBOP_DIN]");
441 lcd_putsf(0, line
++, "DBOP_DIN: %4x", dbop_debug());
444 lcd_puts(0, line
++, "[CP15]");
445 lcd_putsf(0, line
++, "CP15: 0x%8x", read_cp15());
447 if (button_get_w_tmo(HZ
/10) == (DEBUG_CANCEL
|BUTTON_REL
))
450 lcd_setfont(FONT_UI
);