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     kernel_init();
  90     lcd_init();
  91     font_init();
  92     lcd_setfont(FONT_SYSFIXED);
  93     button_init();
  94     rtc_init();
  95     usb_init();
  96
  97     backlight_init();
  98
  99     ata_init();
 100
 101     int touch, btn;
 102     char datetime[30];
 103     reset_screen();
 104     printf("Rockbox bootloader v0.000001");
 105     printf("REG_EMC_SACR0: 0x%x", REG_EMC_SACR0);
 106     printf("REG_EMC_SACR1: 0x%x", REG_EMC_SACR1);
 107     printf("REG_EMC_SACR2: 0x%x", REG_EMC_SACR2);
 108     printf("REG_EMC_SACR3: 0x%x", REG_EMC_SACR3);
 109     printf("REG_EMC_SACR4: 0x%x", REG_EMC_SACR4);
 110     printf("REG_EMC_DMAR0: 0x%x", REG_EMC_DMAR0);
 111     unsigned int cpu_id = read_c0_prid();
 112     printf("CPU_ID: 0x%x", cpu_id);
 113     printf(" * Company ID: 0x%x", (cpu_id >> 16) & 7);
 114     printf(" * Processor ID: 0x%x", (cpu_id >> 8) & 7);
 115     printf(" * Revision ID: 0x%x", cpu_id & 7);
 116     unsigned int config_data = read_c0_config();
 117     printf("C0_CONFIG: 0x%x", config_data);
 118     printf(" * Architecture type: 0x%x", (config_data >> 13) & 3);
 119     printf(" * Architecture revision: 0x%x", (config_data >> 10) & 7);
 120     printf(" * MMU type: 0x%x", (config_data >> 7) & 7);
 121     printf("C0_CONFIG1: 0x%x", read_c0_config1());
 122     if(read_c0_config1() & (1 << 0)) printf(" * FP available");
 123     if(read_c0_config1() & (1 << 1)) printf(" * EJTAG available");
 124     if(read_c0_config1() & (1 << 2)) printf(" * MIPS-16 available");
 125     if(read_c0_config1() & (1 << 4)) printf(" * Performace counters available");
 126     if(read_c0_config1() & (1 << 5)) printf(" * MDMX available");
 127     if(read_c0_config1() & (1 << 6)) printf(" * CP2 available");
 128     printf("C0_STATUS: 0x%x", read_c0_status());
 129
 130 #if 0
 131     unsigned char testdata[4096];
 132     char msg[30];
 133     int j = 1;
 134     while(1)
 135     {
 136         memset(testdata, 0, 4096);
 137         reset_screen();
 138         jz_nand_read(2, j, &testdata);
 139         printf("Page %d", j);
 140         int i;
 141         for(i=0; i<256; i+=8)
 142         {
 143             snprintf(msg, 30, "%02c%02c%02c%02c%02c%02c%02c%02c", testdata[i], testdata[i+1], testdata[i+2], testdata[i+3], testdata[i+4], testdata[i+5], testdata[i+6], testdata[i+7]);
 144             printf(msg);
 145         }
 146         while(!((btn = button_read_device(&touch)) & (BUTTON_VOL_UP|BUTTON_VOL_DOWN)));
 147         if(btn & BUTTON_VOL_UP)
 148             j++;
 149         if(btn & BUTTON_VOL_DOWN)
 150             j--;
 151         if(j<0)
 152             j = 0;
 153     }
 154 #endif
 155     while(1)
 156     {
 157 #ifdef ONDA_VX747
 158         btn = button_get(false);
 159         touch = button_get_data();
 160 #else
 161         btn = button_read_device();
 162 #endif
 163 #define KNOP(x,y)     lcd_set_foreground(LCD_BLACK); \
 164                       if(btn & x) \
 165                         lcd_set_foreground(LCD_WHITE); \
 166                       lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(#x), SYSFONT_HEIGHT*y, #x);
 167         KNOP(BUTTON_VOL_UP, 0);
 168         KNOP(BUTTON_VOL_DOWN, 1);
 169         KNOP(BUTTON_MENU, 2);
 170         KNOP(BUTTON_POWER, 3);
 171         lcd_set_foreground(LCD_WHITE);
 172         if(button_hold())
 173         {
 174             printf("BUTTON_HOLD");
 175             asm("break 0x7");
 176         }
 177         if(btn & BUTTON_VOL_DOWN)
 178         {
 179             reset_screen();
 180             show_tlb();
 181         }
 182         if(btn & BUTTON_POWER)
 183         {
 184             power_off();
 185         }
 186 #ifdef ONDA_VX747
 187         if(btn & BUTTON_TOUCH)
 188         {
 189             lcd_set_foreground(LCD_RGBPACK(touch & 0xFF, (touch >> 8)&0xFF, (touch >> 16)&0xFF));
 190             lcd_fillrect((touch>>16)-10, (touch&0xFFFF)-5, 10, 10);
 191             lcd_update();
 192             lcd_set_foreground(LCD_WHITE);
 193         }
 194 #endif
 195         snprintf(datetime, 30, "%02d/%02d/%04d %02d:%02d:%02d", get_time()->tm_mday, get_time()->tm_mon, get_time()->tm_year,
 196                                      get_time()->tm_hour, get_time()->tm_min, get_time()->tm_sec);
 197         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT, datetime);
 198         snprintf(datetime, 30, "%d", current_tick);
 199         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*2, datetime);
 200         snprintf(datetime, 30, "X: %03d Y: %03d", touch>>16, touch & 0xFFFF);
 201         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*3, datetime);
 202         snprintf(datetime, 30, "PIN3: 0x%08x", REG_GPIO_PXPIN(3));
 203         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*4, datetime);
 204         snprintf(datetime, 30, "PIN2: 0x%08x", REG_GPIO_PXPIN(2));
 205         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*5, datetime);
 206         snprintf(datetime, 30, "PIN1: 0x%08x", REG_GPIO_PXPIN(1));
 207         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*6, datetime);
 208         snprintf(datetime, 30, "PIN0: 0x%08x", REG_GPIO_PXPIN(0));
 209         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*7, datetime);
 210         snprintf(datetime, 30, "BadVAddr: 0x%08x", read_c0_badvaddr());
 211         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*8, datetime);
 212         snprintf(datetime, 30, "ICSR: 0x%08x", REG_INTC_ISR);
 213         lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*9, datetime);
 214         lcd_update();
 215         yield();
 216     }
 217
 218     return 0;
 219 }