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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 <string.h>
#include "config.h"
#include "jz4740.h"
#include "backlight.h"
#include "font.h"
#include "lcd.h"
#include "system.h"
#include "mips.h"
#include "button.h"
#include "timefuncs.h"
#include "rtc.h"
int _line = 1;
char _printfbuf[256];
/* This is all rather hacky, but it works... */
void _printf(const char *format, ...)
{
int len;
unsigned char *ptr;
va_list ap;
va_start(ap, format);
ptr = _printfbuf;
len = vsnprintf(ptr, sizeof(_printfbuf), format, ap);
va_end(ap);
int i;
for(i=0; i<1; i++)
{
lcd_puts(0, _line++, ptr);
lcd_update();
}
if(_line >= LCD_HEIGHT/SYSFONT_HEIGHT)
_line = 1;
}
static void audiotest(void)
{
__i2s_internal_codec();
__aic_enable();
__aic_reset();
__aic_select_i2s();
__aic_enable_loopback();
}
#define JZ_NAND_SELECT(n) (REG_EMC_NFCSR |= (EMC_NFCSR_NFCE##n | EMC_NFCSR_NFE##n) )
#define JZ_NAND_DESELECT(n) (REG_EMC_NFCSR &= ~(EMC_NFCSR_NFCE##n | EMC_NFCSR_NFE##n) )
#define NAND_CMD_READ1_00 0x00
#define NAND_CMD_READ_ID1 0x90
#define NAND_CMD_READ_ID2 0x91
#define NANDFLASH_CLE 0x00008000 //PA[15]
#define NANDFLASH_ALE 0x00010000 //PA[16]
#define NANDFLASH_BASE 0xB8000000
#define REG_NAND_DATA (*((volatile unsigned char *) NANDFLASH_BASE))
#define REG_NAND_CMD (*((volatile unsigned char *) (NANDFLASH_BASE + NANDFLASH_CLE)))
#define REG_NAND_ADDR (*((volatile unsigned char *) (NANDFLASH_BASE + NANDFLASH_ALE)))
static void jz_nand_scan_id(void)
{
unsigned char cData[5];
unsigned int dwNandID;
REG_EMC_NFCSR = 0;
JZ_NAND_SELECT(1);
REG_NAND_CMD = NAND_CMD_READ_ID1;
REG_NAND_ADDR = NAND_CMD_READ1_00;
cData[0] = REG_NAND_DATA;
cData[1] = REG_NAND_DATA;
cData[2] = REG_NAND_DATA;
cData[3] = REG_NAND_DATA;
cData[4] = REG_NAND_DATA;
JZ_NAND_DESELECT(1);
dwNandID = ((cData[0] & 0xff) << 8) | (cData[1] & 0xff);
_printf("NAND Flash 1: 0x%x is found [0x%x 0x%x 0x%x]", dwNandID, cData[2], cData[3], cData[4]);
JZ_NAND_SELECT(2);
REG_NAND_CMD = NAND_CMD_READ_ID1;
REG_NAND_ADDR = NAND_CMD_READ1_00;
cData[0] = REG_NAND_DATA;
cData[1] = REG_NAND_DATA;
cData[2] = REG_NAND_DATA;
cData[3] = REG_NAND_DATA;
cData[4] = REG_NAND_DATA;
JZ_NAND_DESELECT(2);
dwNandID = ((cData[0] & 0xff) << 8) | (cData[1] & 0xff);
_printf("NAND Flash 2: 0x%x is found [0x%x 0x%x 0x%x]", dwNandID, cData[2], cData[3], cData[4]);
JZ_NAND_SELECT(3);
REG_NAND_CMD = NAND_CMD_READ_ID1;
REG_NAND_ADDR = NAND_CMD_READ1_00;
cData[0] = REG_NAND_DATA;
cData[1] = REG_NAND_DATA;
cData[2] = REG_NAND_DATA;
cData[3] = REG_NAND_DATA;
cData[4] = REG_NAND_DATA;
JZ_NAND_DESELECT(3);
dwNandID = ((cData[0] & 0xff) << 8) | (cData[1] & 0xff);
_printf("NAND Flash 3: 0x%x is found [0x%x 0x%x 0x%x]", dwNandID, cData[2], cData[3], cData[4]);
JZ_NAND_SELECT(4);
REG_NAND_CMD = NAND_CMD_READ_ID1;
REG_NAND_ADDR = NAND_CMD_READ1_00;
cData[0] = REG_NAND_DATA;
cData[1] = REG_NAND_DATA;
cData[2] = REG_NAND_DATA;
cData[3] = REG_NAND_DATA;
cData[4] = REG_NAND_DATA;
JZ_NAND_DESELECT(4);
dwNandID = ((cData[0] & 0xff) << 8) | (cData[1] & 0xff);
_printf("NAND Flash 4: 0x%x is found [0x%x 0x%x 0x%x]", dwNandID, cData[2], cData[3], cData[4]);
}
static void jz_store_icache(void)
{
unsigned long start;
unsigned long end;
start = KSEG0BASE;
end = start + CFG_ICACHE_SIZE;
while(start < end)
{
cache_unroll(start, 8);
start += CFG_CACHELINE_SIZE;
}
}
int main(void)
{
cli();
write_c0_status(0x10000400);
memcpy((void *)A_K0BASE, (void *)0x80E00080, 0x20);
memcpy((void *)(A_K0BASE + 0x180), (void *)0x80E00080, 0x20);
memcpy((void *)(A_K0BASE + 0x200), (void *)0x80E00080, 0x20);
jz_flush_dcache();
jz_store_icache();
sti();
kernel_init();
lcd_init();
font_init();
lcd_setfont(FONT_SYSFIXED);
button_init();
rtc_init();
backlight_init();
/* To make the Windows say "ding-dong".. */
REG8(USB_REG_POWER) &= ~USB_POWER_SOFTCONN;
int touch, btn;
lcd_clear_display();
_printf("Rockbox bootloader v0.000001");
jz_nand_scan_id();
_printf("Test");
while(1)
{
btn = button_read_device(&touch);
if(btn & BUTTON_VOL_DOWN)
_printf("BUTTON_VOL_DOWN");
if(btn & BUTTON_MENU)
_printf("BUTTON_MENU");
if(btn & BUTTON_VOL_UP)
_printf("BUTTON_VOL_UP");
if(btn & BUTTON_POWER)
_printf("BUTTON_POWER");
if(button_hold())
_printf("BUTTON_HOLD");
if(touch != 0)
_printf("X: %d Y: %d", touch>>16, touch&0xFFFF);
/*_printf("%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);*/
}
return 0;
}
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