285 lines
8.7 KiB
C
285 lines
8.7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 Heikki Hannikainen
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdbool.h>
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#include <string.h>
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#include "config.h"
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#include "system.h"
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#include "kernel.h"
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#include "font.h"
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#include "lcd.h"
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#include "button.h"
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#include "powermgmt.h"
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#include "adc.h"
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#include "hwcompat.h" /* ROM_VERSION */
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#include "crc32.h"
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#if CONFIG_KEYPAD == RECORDER_PAD
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# define DEBUG_CANCEL BUTTON_OFF
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#elif CONFIG_KEYPAD == ONDIO_PAD
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# define DEBUG_CANCEL BUTTON_MENU
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#endif
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/* Tool function to read the flash manufacturer and type, if available.
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Only chips which could be reprogrammed in system will return values.
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(The mode switch addresses vary between flash manufacturers, hence addr1/2) */
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/* In IRAM to avoid problems when running directly from Flash */
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static bool dbg_flash_id(unsigned* p_manufacturer, unsigned* p_device,
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unsigned addr1, unsigned addr2)
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ICODE_ATTR __attribute__((noinline));
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static bool dbg_flash_id(unsigned* p_manufacturer, unsigned* p_device,
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unsigned addr1, unsigned addr2)
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{
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unsigned not_manu, not_id; /* read values before switching to ID mode */
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unsigned manu, id; /* read values when in ID mode */
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volatile unsigned char* flash = (unsigned char*)0x2000000; /* flash mapping */
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int old_level; /* saved interrupt level */
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not_manu = flash[0]; /* read the normal content */
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not_id = flash[1]; /* should be 'A' (0x41) and 'R' (0x52) from the "ARCH" marker */
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/* disable interrupts, prevent any stray flash access */
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old_level = disable_irq_save();
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flash[addr1] = 0xAA; /* enter command mode */
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flash[addr2] = 0x55;
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flash[addr1] = 0x90; /* ID command */
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/* Atmel wants 20ms pause here */
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/* sleep(HZ/50); no sleeping possible while interrupts are disabled */
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manu = flash[0]; /* read the IDs */
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id = flash[1];
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flash[0] = 0xF0; /* reset flash (back to normal read mode) */
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/* Atmel wants 20ms pause here */
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/* sleep(HZ/50); no sleeping possible while interrupts are disabled */
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restore_irq(old_level); /* enable interrupts again */
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/* I assume success if the obtained values are different from
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the normal flash content. This is not perfectly bulletproof, they
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could theoretically be the same by chance, causing us to fail. */
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if (not_manu != manu || not_id != id) /* a value has changed */
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{
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*p_manufacturer = manu; /* return the results */
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*p_device = id;
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return true; /* success */
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}
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return false; /* fail */
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}
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bool dbg_ports(void)
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{
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int adc_battery_voltage;
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#ifndef HAVE_LCD_BITMAP
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int currval = 0;
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int button;
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#else
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int adc_battery_level;
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lcd_setfont(FONT_SYSFIXED);
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#endif
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lcd_clear_display();
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while(1)
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{
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#ifdef HAVE_LCD_BITMAP
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lcd_putsf(0, 0, "PADR: %04x", (unsigned short)PADR);
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lcd_putsf(0, 1, "PBDR: %04x", (unsigned short)PBDR);
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lcd_putsf(0, 2, "AN0: %03x AN4: %03x", adc_read(0), adc_read(4));
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lcd_putsf(0, 3, "AN1: %03x AN5: %03x", adc_read(1), adc_read(5));
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lcd_putsf(0, 4, "AN2: %03x AN6: %03x", adc_read(2), adc_read(6));
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lcd_putsf(0, 5, "AN3: %03x AN7: %03x", adc_read(3), adc_read(7));
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battery_read_info(&adc_battery_voltage, &adc_battery_level);
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lcd_putsf(0, 6, "Batt: %d.%03dV %d%% ", adc_battery_voltage / 1000,
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adc_battery_voltage % 1000, adc_battery_level);
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lcd_update();
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while (button_get_w_tmo(HZ/10) != (DEBUG_CANCEL|BUTTON_REL));
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lcd_setfont(FONT_UI);
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#else /* !HAVE_LCD_BITMAP */
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if (currval == 0) {
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lcd_putsf(0, 0, "PADR: %04x", (unsigned short)PADR);
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} else if (currval == 1) {
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lcd_putsf(0, 0, "PBDR: %04x", (unsigned short)PBDR);
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} else {
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int idx = currval - 2; /* idx < 7 */
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lcd_putsf(0, 0, "AN%d: %03x", idx, adc_read(idx));
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}
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battery_read_info(&adc_battery_voltage, NULL);
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lcd_putsf(0, 1, "Batt: %d.%03dV", adc_battery_voltage / 1000,
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adc_battery_voltage % 1000);
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lcd_update();
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button = button_get_w_tmo(HZ/5);
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switch(button)
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{
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case BUTTON_STOP:
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return false;
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case BUTTON_LEFT:
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currval--;
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if(currval < 0)
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currval = 9;
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break;
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case BUTTON_RIGHT:
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currval++;
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if(currval > 9)
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currval = 0;
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break;
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}
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#endif
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}
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return false;
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}
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bool dbg_hw_info(void)
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{
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#ifndef HAVE_LCD_BITMAP
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int button;
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int currval = 0;
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#else
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int bitmask = HW_MASK;
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#endif
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int rom_version = ROM_VERSION;
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unsigned manu, id; /* flash IDs */
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bool got_id; /* flag if we managed to get the flash IDs */
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unsigned rom_crc = 0xffffffff; /* CRC32 of the boot ROM */
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bool has_bootrom; /* flag for boot ROM present */
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int oldmode; /* saved memory guard mode */
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oldmode = system_memory_guard(MEMGUARD_NONE); /* disable memory guard */
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/* get flash ROM type */
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got_id = dbg_flash_id(&manu, &id, 0x5555, 0x2AAA); /* try SST, Atmel, NexFlash */
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if (!got_id)
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got_id = dbg_flash_id(&manu, &id, 0x555, 0x2AA); /* try AMD, Macronix */
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/* check if the boot ROM area is a flash mirror */
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has_bootrom = (memcmp((char*)0, (char*)0x02000000, 64*1024) != 0);
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if (has_bootrom) /* if ROM and Flash different */
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{
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/* calculate CRC16 checksum of boot ROM */
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rom_crc = crc_32((unsigned char*)0x0000, 64*1024, 0xffffffff);
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}
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system_memory_guard(oldmode); /* re-enable memory guard */
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lcd_clear_display();
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#ifdef HAVE_LCD_BITMAP
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lcd_setfont(FONT_SYSFIXED);
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lcd_puts(0, 0, "[Hardware info]");
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lcd_putsf(0, 1, "ROM: %d.%02d", rom_version/100, rom_version%100);
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lcd_putsf(0, 2, "Mask: 0x%04x", bitmask);
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if (got_id)
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lcd_putsf(0, 3, "Flash: M=%02x D=%02x", manu, id);
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else
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lcd_puts(0, 3, "Flash: M=?? D=??"); /* unknown, sorry */
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if (has_bootrom)
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{
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if (rom_crc == 0x56DBA4EE) /* known Version 1 */
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lcd_puts(0, 4, "Boot ROM: V1");
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else
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lcd_putsf(0, 4, "ROMcrc: 0x%08x", rom_crc);
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}
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else
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{
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lcd_puts(0, 4, "Boot ROM: none");
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}
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lcd_update();
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/* wait for exit */
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while (button_get_w_tmo(HZ/10) != (DEBUG_CANCEL|BUTTON_REL));
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lcd_setfont(FONT_UI);
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#else /* !HAVE_LCD_BITMAP */
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lcd_puts(0, 0, "[HW Info]");
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while(1)
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{
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switch(currval)
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{
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case 0:
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lcd_putsf(0, 1, "ROM: %d.%02d",
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rom_version/100, rom_version%100);
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break;
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case 1:
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if (got_id)
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lcd_putsf(0, 1, "Flash:%02x,%02x", manu, id);
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else
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lcd_puts(0, 1, "Flash:??,??"); /* unknown, sorry */
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break;
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case 2:
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if (has_bootrom)
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{
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if (rom_crc == 0x56DBA4EE) /* known Version 1 */
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lcd_puts(0, 1, "BootROM: V1");
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else if (rom_crc == 0x358099E8)
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lcd_puts(0, 1, "BootROM: V2");
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/* alternative boot ROM found in one single player so far */
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else
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lcd_putsf(0, 1, "R: %08x", rom_crc);
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}
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else
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lcd_puts(0, 1, "BootROM: no");
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}
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lcd_update();
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button = button_get_w_tmo(HZ/10);
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switch(button)
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{
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case BUTTON_STOP:
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return false;
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case BUTTON_LEFT:
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currval--;
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if(currval < 0)
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currval = 2;
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break;
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case BUTTON_RIGHT:
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currval++;
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if(currval > 2)
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currval = 0;
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break;
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}
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}
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#endif
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return false;
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}
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