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rockbox/bootloader/ondavx747.c
Maurus Cuelenaere 62c4a2838e Onda VX747: 
* Overall cleanup (still needs work)
  * Add preliminary USB support
  * Add power off support
  * Add preliminary MMU handling


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18348 a1c6a512-1295-4272-9138-f99709370657
2008-08-26 21:48:49 +00:00

215 lines
7.8 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Maurus Cuelenaere
*
* 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 <stdio.h>
#include <stdarg.h>
#include "config.h"
#include "jz4740.h"
#include "backlight.h"
#include "font.h"
#include "lcd.h"
#include "system.h"
#include "button.h"
#include "timefuncs.h"
#include "rtc.h"
#include "common.h"
#include "mipsregs.h"
static void audiotest(void)
{
__i2s_internal_codec();
__aic_enable();
__aic_reset();
__aic_select_i2s();
__aic_enable_loopback();
}
/* CP0 hazard avoidance. */
#define BARRIER __asm__ __volatile__(".set noreorder\n\t" \
"nop; nop; nop; nop; nop; nop;\n\t" \
".set reorder\n\t")
static void show_tlb(void)
{
#define ASID_MASK 0xFF
unsigned int old_ctx;
unsigned int entry;
unsigned int entrylo0, entrylo1, entryhi;
unsigned int pagemask;
cli();
/* Save old context */
old_ctx = (read_c0_entryhi() & 0xff);
printf("TLB content:");
for(entry = 0; entry < 32; entry++)
{
write_c0_index(entry);
BARRIER;
tlb_read();
BARRIER;
entryhi = read_c0_entryhi();
entrylo0 = read_c0_entrylo0();
entrylo1 = read_c0_entrylo1();
pagemask = read_c0_pagemask();
printf("%02d: ASID=%02d%s VA=0x%08x", entry, entryhi & ASID_MASK, (entrylo0 & entrylo1 & 1) ? "(G)" : " ", entryhi & ~ASID_MASK);
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" : "");
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" : "");
printf("pagemask=0x%08x entryhi=0x%08x", pagemask, entryhi);
printf("entrylo0=0x%08x entrylo1=0x%08x", entrylo0, entrylo1);
}
BARRIER;
write_c0_entryhi(old_ctx);
sti();
}
int main(void)
{
cli();
kernel_init();
lcd_init();
font_init();
lcd_setfont(FONT_SYSFIXED);
button_init();
rtc_init();
usb_init();
backlight_init();
ata_init();
sti();
/* To make Windows say "ding-dong".. */
//REG8(USB_REG_POWER) &= ~USB_POWER_SOFTCONN;
int touch, btn;
char datetime[30];
reset_screen();
printf("Rockbox bootloader v0.000001");
printf("REG_EMC_SACR0: 0x%x", REG_EMC_SACR0);
printf("REG_EMC_SACR1: 0x%x", REG_EMC_SACR1);
printf("REG_EMC_SACR2: 0x%x", REG_EMC_SACR2);
printf("REG_EMC_SACR3: 0x%x", REG_EMC_SACR3);
printf("REG_EMC_SACR4: 0x%x", REG_EMC_SACR4);
printf("REG_EMC_DMAR0: 0x%x", REG_EMC_DMAR0);
unsigned int cpu_id = read_c0_prid();
printf("CPU_ID: 0x%x", cpu_id);
printf(" * Company ID: 0x%x", (cpu_id >> 16) & 7);
printf(" * Processor ID: 0x%x", (cpu_id >> 8) & 7);
printf(" * Revision ID: 0x%x", cpu_id & 7);
unsigned int config_data = read_c0_config();
printf("C0_CONFIG: 0x%x", config_data);
printf(" * Architecture type: 0x%x", (config_data >> 13) & 3);
printf(" * Architecture revision: 0x%x", (config_data >> 10) & 7);
printf(" * MMU type: 0x%x", (config_data >> 7) & 7);
printf("C0_CONFIG1: 0x%x", read_c0_config1());
if(read_c0_config1() & (1 << 0)) printf(" * FP available");
if(read_c0_config1() & (1 << 1)) printf(" * EJTAG available");
if(read_c0_config1() & (1 << 2)) printf(" * MIPS-16 available");
if(read_c0_config1() & (1 << 4)) printf(" * Performace counters available");
if(read_c0_config1() & (1 << 5)) printf(" * MDMX available");
if(read_c0_config1() & (1 << 6)) printf(" * CP2 available");
printf("C0_STATUS: 0x%x", read_c0_status());
#if 0
unsigned char testdata[4096];
char msg[30];
int j = 0;
while(1)
{
memset(testdata, 0, 4096);
jz_nand_read_page(j, &testdata);
reset_screen();
printf("Page %d", j);
int i;
for(i=0; i<16; i+=8)
{
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]);
printf(msg);
}
while(!((btn = button_read_device(&touch)) & (BUTTON_VOL_UP|BUTTON_VOL_DOWN)));
if(btn & BUTTON_VOL_UP)
j++;
if(btn & BUTTON_VOL_DOWN)
j--;
if(j<0)
j = 0;
}
#endif
while(1)
{
btn = button_read_device(&touch);
#define KNOP(x,y) lcd_set_foreground(LCD_BLACK); \
if(btn & x) \
lcd_set_foreground(LCD_WHITE); \
lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(#x), LCD_HEIGHT-SYSFONT_HEIGHT*y, #x);
KNOP(BUTTON_VOL_UP, 5);
KNOP(BUTTON_VOL_DOWN, 6);
KNOP(BUTTON_MENU, 7);
KNOP(BUTTON_POWER, 8);
lcd_set_foreground(LCD_WHITE);
if(button_hold())
{
printf("BUTTON_HOLD");
asm("break 0x7");
}
if(btn & BUTTON_VOL_DOWN)
{
reset_screen();
show_tlb();
}
if(btn & BUTTON_POWER)
{
power_off();
}
if(btn & BUTTON_TOUCH)
{
lcd_set_foreground(LCD_RGBPACK(touch & 0xFF, (touch >> 8)&0xFF, (touch >> 16)&0xFF));
lcd_fillrect((touch>>16)-5, (touch&0xFFFF)-5, 10, 10);
lcd_update();
lcd_set_foreground(LCD_WHITE);
}
snprintf(datetime, 30, "%02d/%02d/%04d %02d:%02d:%02d", get_time()->tm_mday, get_time()->tm_mon, get_time()->tm_year,
get_time()->tm_hour, get_time()->tm_min, get_time()->tm_sec);
lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT, datetime);
snprintf(datetime, 30, "%d", current_tick);
lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*2, datetime);
snprintf(datetime, 30, "X: %d Y: %d", touch>>16, touch & 0xFFFF);
lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*3, datetime);
snprintf(datetime, 30, "PIN3: 0x%x", REG_GPIO_PXPIN(3));
lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*4, datetime);
snprintf(datetime, 30, "PIN2: 0x%x", REG_GPIO_PXPIN(2));
lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*5, datetime);
snprintf(datetime, 30, "PIN1: 0x%x", REG_GPIO_PXPIN(1));
lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*6, datetime);
snprintf(datetime, 30, "PIN0: 0x%x", REG_GPIO_PXPIN(0));
lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*7, datetime);
snprintf(datetime, 30, "ICSR: 0x%x", read_c0_badvaddr());
lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*strlen(datetime), LCD_HEIGHT-SYSFONT_HEIGHT*8, datetime);
lcd_update();
}
return 0;
}
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