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|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright © 2008 Rafaël Carré
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdbool.h>
#include "debug-target.h"
#include "button.h"
#include "lcd.h"
#include "font.h"
#include "system.h"
#include "sprintf.h"
#include "cpu.h"
#include "pl180.h"
#define _DEBUG_PRINTF(a,varargs...) \
snprintf(buf, sizeof(buf), (a), ##varargs); lcd_puts(0,line++,buf)
#define ON "Enabled"
#define OFF "Disabled"
#define CP15_MMU (1<<0) /* mmu off/on */
#define CP15_DC (1<<2) /* dcache off/on */
#define CP15_IC (1<<12) /* icache off/on */
#define CLK_MAIN 24000000 /* 24 MHz */
#define CLK_PLLA 0
#define CLK_PLLB 1
#define CLK_922T 2
#define CLK_FCLK 3
#define CLK_EXTMEM 4
#define CLK_PCLK 5
#define CLK_IDE 6
#define CLK_I2C 7
#define CLK_I2SI 8
#define CLK_I2SO 9
#define CLK_DBOP 10
#define CLK_SD_IDENT_NAND 11
#define CLK_SD_IDENT_MSD 12
#define CLK_USB 13
#define I2C2_CPSR0 *((volatile unsigned int *)(I2C_AUDIO_BASE + 0x1C))
#define I2C2_CPSR1 *((volatile unsigned int *)(I2C_AUDIO_BASE + 0x20))
#define MCI_NAND *((volatile unsigned long *)(NAND_FLASH_BASE + 0x04))
#define MCI_SD *((volatile unsigned long *)(SD_MCI_BASE + 0x04))
/* FIXME: target tree is including ./debug-target.h rather than the one in
* sansa-fuze/, even though deps contains the correct one
* if I put the below into a sansa-fuze/debug-target.h, it doesn't work*/
#if defined(SANSA_FUZE) || defined(SANSA_E200V2)
#define DEBUG_DBOP
unsigned short button_dbop_data(void);
#endif
static unsigned read_cp15 (void)
{
unsigned value;
asm volatile (
"mrc p15, 0, %0, c1, c0, 0 @ read control reg\n":"=r"
(value)::"memory"
);
return (value);
}
int calc_freq(int clk)
{
int out_div;
switch(clk) {
/* clk_main = clk_int = 24MHz oscillator */
case CLK_PLLA:
if(CGU_PLLASUP & (1<<3))
return 0;
/*assume 24MHz oscillator only input available */
out_div = ((CGU_PLLA>>13) & 0x3); /* bits 13:14 */
if (out_div == 3) /* for 11 NO=4 */
out_div=4;
if(out_div) /* NO = 0 not allowed */
return ((2 * (CGU_PLLA & 0xff))*CLK_MAIN)/
(((CGU_PLLA>>8) & 0x1f)*out_div);
return 0;
case CLK_PLLB:
if(CGU_PLLBSUP & (1<<3))
return 0;
/*assume 24MHz oscillator only input available */
out_div = ((CGU_PLLB>>13) & 0x3); /* bits 13:14 */
if (out_div == 3) /* for 11 NO=4 */
out_div=4;
if(out_div) /* NO = 0 not allowed */
return ((2 * (CGU_PLLB & 0xff))*CLK_MAIN)/
(((CGU_PLLB>>8) & 0x1f)*out_div);
return 0;
case CLK_922T:
if (!(read_cp15()>>30)) /* fastbus */
return calc_freq(CLK_PCLK);
else /* Synch or Asynch bus*/
return calc_freq(CLK_FCLK);
case CLK_FCLK:
switch(CGU_PROC & 3) {
case 0:
return CLK_MAIN/
((8/(8-((CGU_PROC>>2)& 0x3)))*(((CGU_PROC>>4)& 0xf) + 1));
case 1:
return calc_freq(CLK_PLLA)/
((8/(8-((CGU_PROC>>2)& 0x3)))*(((CGU_PROC>>4)& 0xf) + 1));
case 2:
return calc_freq(CLK_PLLB)/
((8/(8-((CGU_PROC>>2)& 0x3)))*(((CGU_PROC>>4)& 0xf) + 1));
default:
return 0;
}
case CLK_EXTMEM:
switch(CGU_PERI & 3) {
case 0:
return CLK_MAIN/(((CGU_PERI>>2)& 0xf)+1);
case 1:
return calc_freq(CLK_PLLA)/(((CGU_PERI>>2)& 0xf)+1);
case 2:
return calc_freq(CLK_PLLB)/(((CGU_PERI>>2)& 0xf)+1);
case 3:
return calc_freq(CLK_FCLK)/(((CGU_PERI>>2)& 0xf)+1);
default:
return 0;
}
case CLK_PCLK:
return calc_freq(CLK_EXTMEM)/(((CGU_PERI>>6)& 0x1)+1);
case CLK_IDE:
switch(CGU_IDE & 3) {
case 0:
return CLK_MAIN/(((CGU_IDE>>2)& 0xf)+1);
case 1:
return calc_freq(CLK_PLLA)/(((CGU_IDE>>2)& 0xf)+1);
case 2:
return calc_freq(CLK_PLLB)/(((CGU_IDE>>2)& 0xf)+1);
default:
return 0;
}
case CLK_I2C:
return calc_freq(CLK_PCLK)/(I2C2_CPSR1<<8 | I2C2_CPSR0);
case CLK_I2SI:
switch((CGU_AUDIO>>12) & 3) {
case 0:
return CLK_MAIN/(((CGU_AUDIO>>14) & 0x1ff)+1);
case 1:
return calc_freq(CLK_PLLA)/(((CGU_AUDIO>>14) & 0x1ff)+1);
case 2:
return calc_freq(CLK_PLLB)/(((CGU_AUDIO>>14) & 0x1ff)+1);
default:
return 0;
}
case CLK_I2SO:
switch(CGU_AUDIO & 3) {
case 0:
return CLK_MAIN/(((CGU_AUDIO>>2) & 0x1ff)+1);
case 1:
return calc_freq(CLK_PLLA)/(((CGU_AUDIO>>2) & 0x1ff)+1);
case 2:
return calc_freq(CLK_PLLB)/(((CGU_AUDIO>>2) & 0x1ff)+1);
default:
return 0;
}
case CLK_DBOP:
return calc_freq(CLK_PCLK)/((CGU_DBOP & 7)+1);
case CLK_SD_IDENT_NAND:
if(!(MCI_NAND & (1<<8)))
return 0;
else if(MCI_NAND & (1<<10))
return calc_freq(CLK_PCLK);
else
return calc_freq(CLK_PCLK)/(((MCI_NAND & 0xff)*2)+1);
case CLK_SD_IDENT_MSD:
if(!(MCI_SD & (1<<8)))
return 0;
else if(MCI_SD & (1<<10))
return calc_freq(CLK_PCLK);
else
return calc_freq(CLK_PCLK)/(((MCI_SD & 0xff)*2)+1);
case CLK_USB:
switch(CGU_USB & 3) { /* 0-> div=1 other->div=1/(2*n) */
case 0:
if (!((CGU_USB>>2) & 0xf))
return CLK_MAIN;
else
return CLK_MAIN/(2*((CGU_USB>>2) & 0xf));
case 1:
if (!((CGU_USB>>2) & 0xf))
return calc_freq(CLK_PLLA);
else
return calc_freq(CLK_PLLA)/(2*((CGU_USB>>2) & 0xf));
case 2:
if (!((CGU_USB>>2) & 0xf))
return calc_freq(CLK_PLLB);
else
return calc_freq(CLK_PLLB)/(2*((CGU_USB>>2) & 0xf));
default:
return 0;
}
default:
return 0;
}
}
bool __dbg_hw_info(void)
{
char buf[50];
int line;
lcd_clear_display();
lcd_setfont(FONT_SYSFIXED);
while(1)
{
while(1)
{
lcd_clear_display();
line = 0;
_DEBUG_PRINTF("[Clock Frequencies:]");
_DEBUG_PRINTF(" SET ACT");
_DEBUG_PRINTF("922T: %3dMHz", calc_freq(CLK_922T)/1000000);
_DEBUG_PRINTF("PLLA:%3dMHz %3dMHz", AS3525_PLLA_FREQ/1000000, calc_freq(CLK_PLLA)/1000000);
_DEBUG_PRINTF("PLLB: %3dMHz", calc_freq(CLK_PLLB)/1000000);
_DEBUG_PRINTF("FCLK: %3dMHz", calc_freq(CLK_FCLK)/1000000);
#if LCD_HEIGHT < 176 /* clip */
lcd_update();
int btn = button_get_w_tmo(HZ/10);
if(btn == (DEBUG_CANCEL|BUTTON_REL))
goto end;
else if(btn == (BUTTON_DOWN|BUTTON_REL))
break;
}
while(1)
{
lcd_clear_display();
line = 0;
#endif /* LCD_HEIGHT < 176 */
_DEBUG_PRINTF("DRAM:%3dMHz %3dMHz", AS3525_PCLK_FREQ/1000000, calc_freq(CLK_EXTMEM)/1000000);
_DEBUG_PRINTF("PCLK:%3dMHz %3dMHz", AS3525_PCLK_FREQ/1000000, calc_freq(CLK_PCLK)/1000000);
_DEBUG_PRINTF("IDE :%3dMHz %3dMHz", AS3525_IDE_FREQ/1000000,calc_freq(CLK_IDE)/1000000);
_DEBUG_PRINTF("DBOP:%3dMHz %3dMHz", AS3525_DBOP_FREQ/1000000,calc_freq(CLK_DBOP)/1000000);
_DEBUG_PRINTF("I2C :%3dkHz %3dkHz", AS3525_I2C_FREQ/1000,calc_freq(CLK_I2C)/1000);
_DEBUG_PRINTF("I2SI: %s %3dMHz", (CGU_AUDIO & (1<<23)) ? "on " : "off" ,calc_freq(CLK_I2SI)/1000000);
#if LCD_HEIGHT < 176 /* clip */
lcd_update();
int btn = button_get_w_tmo(HZ/10);
if(btn == (DEBUG_CANCEL|BUTTON_REL))
goto end;
else if(btn == (BUTTON_DOWN|BUTTON_REL))
break;
}
while(1)
{
lcd_clear_display();
line = 0;
#endif /* LCD_HEIGHT < 176 */
_DEBUG_PRINTF("I2SO: %s %3dMHz", (CGU_AUDIO & (1<<11)) ? "on " : "off", calc_freq(CLK_I2SO)/1000000);
_DEBUG_PRINTF("SD :%3dkHz %3dkHz", AS3525_SD_IDENT_FREQ/1000,calc_freq(CLK_SD_IDENT_NAND)/1000);
_DEBUG_PRINTF("MSD :%3dkHz %3dkHz", AS3525_SD_IDENT_FREQ/1000,calc_freq(CLK_SD_IDENT_MSD)/1000);
_DEBUG_PRINTF("USB: %3dMHz", calc_freq(CLK_USB)/1000000);
lcd_update();
int btn = button_get_w_tmo(HZ/10);
if(btn == (DEBUG_CANCEL|BUTTON_REL))
goto end;
else if(btn == (BUTTON_DOWN|BUTTON_REL))
break;
}
while(1)
{
lcd_clear_display();
line = 0;
_DEBUG_PRINTF("CGU_PLLA :%8x", (unsigned int)(CGU_PLLA));
_DEBUG_PRINTF("CGU_PLLB :%8x", (unsigned int)(CGU_PLLB));
_DEBUG_PRINTF("CGU_PROC :%8x", (unsigned int)(CGU_PROC));
_DEBUG_PRINTF("CGU_PERI :%8x", (unsigned int)(CGU_PERI));
_DEBUG_PRINTF("CGU_IDE :%8x", (unsigned int)(CGU_IDE));
_DEBUG_PRINTF("CGU_DBOP :%8x", (unsigned int)(CGU_DBOP));
#if LCD_HEIGHT < 176 /* clip */
lcd_update();
int btn = button_get_w_tmo(HZ/10);
if(btn == (DEBUG_CANCEL|BUTTON_REL))
goto end;
else if(btn == (BUTTON_DOWN|BUTTON_REL))
break;
}
while(1)
{
lcd_clear_display();
line = 0;
#endif /* LCD_HEIGHT < 176 */
_DEBUG_PRINTF("CGU_AUDIO :%8x", (unsigned int)(CGU_AUDIO));
_DEBUG_PRINTF("CGU_USB :%8x", (unsigned int)(CGU_USB));
_DEBUG_PRINTF("I2C2_CPSR :%8x", (unsigned int)(I2C2_CPSR1<<8 | I2C2_CPSR0));
_DEBUG_PRINTF("MCI_NAND :%8x", (unsigned int)(MCI_NAND));
_DEBUG_PRINTF("MCI_SD :%8x", (unsigned int)(MCI_SD));
lcd_update();
int btn = button_get_w_tmo(HZ/10);
if(btn == (DEBUG_CANCEL|BUTTON_REL))
goto end;
else if(btn == (BUTTON_DOWN|BUTTON_REL))
break;
}
}
end:
lcd_setfont(FONT_UI);
return false;
}
bool __dbg_ports(void)
{
char buf[50];
int line;
lcd_clear_display();
lcd_setfont(FONT_SYSFIXED);
while(1)
{
line = 0;
_DEBUG_PRINTF("[GPIO Values and Directions]");
_DEBUG_PRINTF("GPIOA: %2x DIR: %2x", GPIOA_DATA, GPIOA_DIR);
_DEBUG_PRINTF("GPIOB: %2x DIR: %2x", GPIOB_DATA, GPIOB_DIR);
_DEBUG_PRINTF("GPIOC: %2x DIR: %2x", GPIOC_DATA, GPIOC_DIR);
_DEBUG_PRINTF("GPIOD: %2x DIR: %2x", GPIOD_DATA, GPIOD_DIR);
#ifdef DEBUG_DBOP
line++;
_DEBUG_PRINTF("[DBOP_DIN]");
_DEBUG_PRINTF("DBOP_DIN: %4x", button_dbop_data());
#endif
line++;
_DEBUG_PRINTF("[CP15]");
_DEBUG_PRINTF("CP15: 0x%8x", read_cp15());
lcd_update();
if (button_get_w_tmo(HZ/10) == (DEBUG_CANCEL|BUTTON_REL))
break;
}
lcd_setfont(FONT_UI);
return false;
}
|
