bootloader/ondavx747.c

   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 <stdio.h>
  23 #include <stdarg.h>
  24 #include "config.h"
  25 #include "jz4740.h"
  26 #include "backlight.h"
  27 #include "font.h"
  28 #include "lcd.h"
  29 #include "system.h"
  30 #include "button.h"
  31 #include "timefuncs.h"
  32 #include "rtc.h"
  33 #include "common.h"
  34 #include "mipsregs.h"
  35
  36 static void audiotest(void)
  37 {
  38     __i2s_internal_codec();
  39     __aic_enable();
  40     __aic_reset();
  41     __aic_select_i2s();
  42     __aic_enable_loopback();
  43 }
  44
  45 /* CP0 hazard avoidance. */
  46 #define BARRIER __asm__ __volatile__(".set noreorder\n\t" \
  47                      "nop; nop; nop; nop; nop; nop;\n\t" \
  48                      ".set reorder\n\t")
  49 static void show_tlb(void)
  50 {
  51 #define ASID_MASK 0xFF
  52
  53     unsigned int old_ctx;
  54     unsigned int entry;
  55     unsigned int entrylo0, entrylo1, entryhi;
  56     unsigned int pagemask;
  57
  58     cli();
  59
  60     /* Save old context */
  61     old_ctx = (read_c0_entryhi() & 0xff);
  62
  63     printf("TLB content:");
  64     for(entry = 0; entry < 32; entry++)
  65     {
  66         write_c0_index(entry);
  67         BARRIER;
  68         tlb_read();
  69         BARRIER;
  70         entryhi = read_c0_entryhi();
  71         entrylo0 = read_c0_entrylo0();
  72         entrylo1 = read_c0_entrylo1();
  73         pagemask = read_c0_pagemask();
  74         printf("%02d: ASID=%02d%s VA=0x%08x", entry, entryhi & ASID_MASK, (entrylo0 & entrylo1 & 1) ? "(G)" : "   ", entryhi & ~ASID_MASK);
  75         printf("PA0=0x%08x C0=%x %s%s%s", (entrylo0>>6)<<12, (entrylo0>>3) & 7, (entrylo0 & 4) ? "Dirty " : "", (entrylo0 & 2) ? "Valid " : "Invalid ", (entrylo0 & 1) ? "Global" : "");
  76         printf("PA1=0x%08x C1=%x %s%s%s", (entrylo1>>6)<<12, (entrylo1>>3) & 7, (entrylo1 & 4) ? "Dirty " : "", (entrylo1 & 2) ? "Valid " : "Invalid ", (entrylo1 & 1) ? "Global" : "");
  77
  78         printf("pagemask=0x%08x entryhi=0x%08x", pagemask, entryhi);
  79         printf("entrylo0=0x%08x entrylo1=0x%08x", entrylo0, entrylo1);
  80     }
  81     BARRIER;
  82     write_c0_entryhi(old_ctx);
  83
  84     sti();
  85 }
  86
  87 int main(void)
  88 {
  89     cli();
  90     kernel_init();
  91     lcd_init();
  92     font_init();
  93     lcd_setfont(FONT_SYSFIXED);
  94     button_init();
  95     rtc_init();
  96     usb_init();
  97
  98     backlight_init();
  99
 100     ata_init();
 101
 102     sti();
 103
 104     /* To make Windows say "ding-dong".. */
 105     //REG8(USB_REG_POWER) &= ~USB_POWER_SOFTCONN;
 106
 107     int touch, btn;
 108     char datetime[30];
 109     reset_screen();
 110     printf("Rockbox bootloader v0.000001");
 111     printf("REG_EMC_SACR0: 0x%x", REG_EMC_SACR0);
 112     printf("REG_EMC_SACR1: 0x%x", REG_EMC_SACR1);
 113     printf("REG_EMC_SACR2: 0x%x", REG_EMC_SACR2);
 114     printf("REG_EMC_SACR3: 0x%x", REG_EMC_SACR3);
 115     printf("REG_EMC_SACR4: 0x%x", REG_EMC_SACR4);
 116     printf("REG_EMC_DMAR0: 0x%x", REG_EMC_DMAR0);
 117     unsigned int cpu_id = read_c0_prid();
 118     printf("CPU_ID: 0x%x", cpu_id);
 119     printf(" * Company ID: 0x%x", (cpu_id >> 16) & 7);
 120     printf(" * Processor ID: 0x%x", (cpu_id >> 8) & 7);
 121     printf(" * Revision ID: 0x%x", cpu_id & 7);
 122     unsigned int config_data = read_c0_config();
 123     printf("C0_CONFIG: 0x%x", config_data);
 124     printf(" * Architecture type: 0x%x", (config_data >> 13) & 3);
 125     printf(" * Architecture revision: 0x%x", (config_data >> 10) & 7);
 126     printf(" * MMU type: 0x%x", (config_data >> 7) & 7);
 127     printf("C0_CONFIG1: 0x%x", read_c0_config1());
 128     if(read_c0_config1() & (1 << 0)) printf(" * FP available");
 129     if(read_c0_config1() & (1 << 1)) printf(" * EJTAG available");
 130     if(read_c0_config1() & (1 << 2)) printf(" * MIPS-16 available");
 131     if(read_c0_config1() & (1 << 4)) printf(" * Performace counters available");
 132     if(read_c0_config1() & (1 << 5)) printf(" * MDMX available");
 133     if(read_c0_config1() & (1 << 6)) printf(" * CP2 available");
 134     printf("C0_STATUS: 0x%x", read_c0_status());
 135
 136 #if 0
 137     unsigned char testdata[4096];
 138     char msg[30];
 139     int j = 0;
 140     while(1)
 141     {
 142         memset(testdata, 0, 4096);
 143         jz_nand_read_page(j, &testdata);
 144         reset_screen();
 145         printf("Page %d", j);
 146         int i;
 147         for(i=0; i<16; i+=8)
 148         {
 149             snprintf(msg, 30, "%x%x%x%x%x%x%x%x", testdata[i], testdata[i+1], testdata[i+2], testdata[i+3], testdata[i+4], testdata[i+5], testdata[i+6], testdata[i+7]);
 150             printf(msg);
 151         }
 152         while(!((btn = button_read_device(&touch)) & (BUTTON_VOL_UP|BUTTON_VOL_DOWN)));
 153         if(btn & BUTTON_VOL_UP)
 154             j++;
 155         if(btn & BUTTON_VOL_DOWN)
 156             j--;
 157         if(j<0)
 158             j = 0;
 159     }
 160 #endif
 161     while(1)
 162     {
 163 #ifdef ONDA_VX747
 164         btn = button_read_device(&touch);
 165 #else
 166         btn = button_read_device();
 167 #endif
 168 #define KNOP(x,y)     lcd_set_foreground(LCD_BLACK); \
 169                       if(btn & x) \
 170                         lcd_set_foreground(LCD_WHITE); \
 171                       lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(#x), LCD_HEIGHT-SYSFONT_HEIGHT*y, #x);
 172         KNOP(BUTTON_VOL_UP, 5);
 173         KNOP(BUTTON_VOL_DOWN, 6);
 174         KNOP(BUTTON_MENU, 7);
 175         KNOP(BUTTON_POWER, 8);
 176         lcd_set_foreground(LCD_WHITE);
 177         if(button_hold())
 178         {
 179             printf("BUTTON_HOLD");
 180             asm("break 0x7");
 181         }
 182         if(btn & BUTTON_VOL_DOWN)
 183         {
 184             reset_screen();
 185             show_tlb();
 186         }
 187         if(btn & BUTTON_POWER)
 188         {
 189             power_off();
 190         }
 191 #ifdef ONDA_VX747
 192         if(btn & BUTTON_TOUCH)
 193         {
 194             lcd_set_foreground(LCD_RGBPACK(touch & 0xFF, (touch >> 8)&0xFF, (touch >> 16)&0xFF));
 195             lcd_fillrect((touch>>16)-5, (touch&0xFFFF)-5, 10, 10);
 196             lcd_update();
 197             lcd_set_foreground(LCD_WHITE);
 198         }
 199 #endif
 200         snprintf(datetime, 30, "%02d/%02d/%04d %02d:%02d:%02d", get_time()->tm_mday, get_time()->tm_mon, get_time()->tm_year,
 201                                      get_time()->tm_hour, get_time()->tm_min, get_time()->tm_sec);
 202         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT, datetime);
 203         snprintf(datetime, 30, "%d", current_tick);
 204         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*2, datetime);
 205         snprintf(datetime, 30, "X: %d Y: %d", touch>>16, touch & 0xFFFF);
 206         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*3, datetime);
 207         snprintf(datetime, 30, "PIN3: 0x%x", REG_GPIO_PXPIN(3));
 208         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*4, datetime);
 209         snprintf(datetime, 30, "PIN2: 0x%x", REG_GPIO_PXPIN(2));
 210         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*5, datetime);
 211         snprintf(datetime, 30, "PIN1: 0x%x", REG_GPIO_PXPIN(1));
 212         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*6, datetime);
 213         snprintf(datetime, 30, "PIN0: 0x%x", REG_GPIO_PXPIN(0));
 214         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*7, datetime);
 215         snprintf(datetime, 30, "ICSR: 0x%x", read_c0_badvaddr());
 216         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*8, datetime);
 217         lcd_update();
 218     }
 219
 220     return 0;
 221 }