/*************************************************************************** * __________ __ ___. * 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 #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" #include "ascodec-target.h" #include "adc.h" #include "storage.h" #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_MCLK_NAND 11 #define CLK_SD_MCLK_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)) extern bool sd_enabled; /* 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) || defined(SANSA_C200V2) #define DEBUG_DBOP unsigned short button_dbop_data(void); #endif static inline unsigned read_cp15 (void) { unsigned cp15_value; asm volatile ( "mrc p15, 0, %0, c1, c0, 0 @ read control reg\n" : "=r"(cp15_value)); return (cp15_value); } static int calc_freq(int clk) { int out_div; unsigned int prediv = ((unsigned int)CGU_PROC>>2) & 0x3; unsigned int postdiv = ((unsigned int)CGU_PROC>>4) & 0xf; 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 - prediv)) / (8 * (postdiv + 1)); case 1: return (calc_freq(CLK_PLLA) * (8 - prediv)) / (8 * (postdiv + 1)); case 2: return (calc_freq(CLK_PLLB) * (8 - prediv)) / (8 * (postdiv + 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_MCLK_NAND: if(!(MCI_NAND & (1<<8))) return 0; else if(MCI_NAND & (1<<10)) return calc_freq(CLK_IDE); else return calc_freq(CLK_IDE)/(((MCI_NAND & 0xff)+1)*2); case CLK_SD_MCLK_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)+1)*2); 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) { int line; int last_nand = 0; #ifdef HAVE_MULTIDRIVE int last_sd = 0; #endif lcd_clear_display(); lcd_setfont(FONT_SYSFIXED); while(1) { while(1) { lcd_clear_display(); line = 0; lcd_puts(0, line++, "[Clock Frequencies:]"); lcd_puts(0, line++, " SET ACTUAL"); lcd_putsf(0, line++, "922T:%s %3dMHz", (!(read_cp15()>>30)) ? "FAST " : (read_cp15()>>31) ? "ASYNC" : "SYNC ", calc_freq(CLK_922T)/1000000); lcd_putsf(0, line++, "PLLA:%3dMHz %3dMHz", AS3525_PLLA_FREQ/1000000, calc_freq(CLK_PLLA)/1000000); lcd_putsf(0, line++, "PLLB: %3dMHz", calc_freq(CLK_PLLB)/1000000); lcd_putsf(0, line++, "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 */ lcd_putsf(0, line++, "DRAM:%3dMHz %3dMHz", AS3525_PCLK_FREQ/1000000, calc_freq(CLK_EXTMEM)/1000000); lcd_putsf(0, line++, "PCLK:%3dMHz %3dMHz", AS3525_PCLK_FREQ/1000000, calc_freq(CLK_PCLK)/1000000); lcd_putsf(0, line++, "IDE :%3dMHz %3dMHz", AS3525_IDE_FREQ/1000000, calc_freq(CLK_IDE)/1000000); lcd_putsf(0, line++, "DBOP:%3dMHz %3dMHz", AS3525_DBOP_FREQ/1000000, calc_freq(CLK_DBOP)/1000000); lcd_putsf(0, line++, "I2C :%3dkHz %3dkHz", AS3525_I2C_FREQ/1000, calc_freq(CLK_I2C)/1000); lcd_putsf(0, line++, "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 */ lcd_putsf(0, line++, "I2SO: %s %3dMHz", (CGU_AUDIO & (1<<11)) ? "on " : "off", calc_freq(CLK_I2SO)/1000000); /* If disabled, enable SD cards so we can read the registers */ if(sd_enabled == false) { sd_enable(true); last_nand = MCI_NAND; #ifdef HAVE_MULTIDRIVE last_sd = MCI_SD; #endif sd_enable(false); } lcd_putsf(0, line++, "SD :%3dMHz %3dMHz", ((AS3525_IDE_FREQ/ 1000000) / ((last_nand & MCI_CLOCK_BYPASS)? 1:(((last_nand & 0xff)+1) * 2))), calc_freq(CLK_SD_MCLK_NAND)/1000000); #ifdef HAVE_MULTIDRIVE lcd_putsf(0, line++, "uSD :%3dMHz %3dMHz", ((AS3525_PCLK_FREQ/ 1000000) / ((last_sd & MCI_CLOCK_BYPASS) ? 1: (((last_sd & 0xff) + 1) * 2))), calc_freq(CLK_SD_MCLK_MSD)/1000000); #endif lcd_putsf(0, line++, "USB : %3dMHz", calc_freq(CLK_USB)/1000000); lcd_putsf(0, line++, "MMU : %s CVDDP:%4d", (read_cp15() & CP15_MMU) ? " on" : "off", adc_read(ADC_CVDD) * 25); lcd_putsf(0, line++, "Icache:%s Dcache:%s", (read_cp15() & CP15_IC) ? " on" : "off", (read_cp15() & CP15_DC) ? " on" : "off"); 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; lcd_putsf(0, line++, "CGU_PLLA :%8x", (unsigned int)(CGU_PLLA)); lcd_putsf(0, line++, "CGU_PLLB :%8x", (unsigned int)(CGU_PLLB)); lcd_putsf(0, line++, "CGU_PROC :%8x", (unsigned int)(CGU_PROC)); lcd_putsf(0, line++, "CGU_PERI :%8x", (unsigned int)(CGU_PERI)); lcd_putsf(0, line++, "CGU_IDE :%8x", (unsigned int)(CGU_IDE)); lcd_putsf(0, line++, "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 */ lcd_putsf(0, line++, "CGU_AUDIO :%8x", (unsigned int)(CGU_AUDIO)); lcd_putsf(0, line++, "CGU_USB :%8x", (unsigned int)(CGU_USB)); lcd_putsf(0, line++, "I2C2_CPSR :%8x", (unsigned int)(I2C2_CPSR1<<8 | I2C2_CPSR0)); lcd_putsf(0, line++, "MCI_NAND :%8x", (unsigned int)(MCI_NAND)); lcd_putsf(0, line++, "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) { int line; lcd_clear_display(); lcd_setfont(FONT_SYSFIXED); while(1) { line = 0; lcd_puts(0, line++, "[GPIO Values and Directions]"); lcd_putsf(0, line++, "GPIOA: %2x DIR: %2x", GPIOA_DATA, GPIOA_DIR); lcd_putsf(0, line++, "GPIOB: %2x DIR: %2x", GPIOB_DATA, GPIOB_DIR); lcd_putsf(0, line++, "GPIOC: %2x DIR: %2x", GPIOC_DATA, GPIOC_DIR); lcd_putsf(0, line++, "GPIOD: %2x DIR: %2x", GPIOD_DATA, GPIOD_DIR); #ifdef DEBUG_DBOP line++; lcd_puts(0, line++, "[DBOP_DIN]"); lcd_putsf(0, line++, "DBOP_DIN: %4x", button_dbop_data()); #endif line++; lcd_puts(0, line++, "[CP15]"); lcd_putsf(0, line++, "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; }