C++ (Cpp) load_boot1_from_sdmmc Examples

Example #1

File: Boot0_C_part.c Project: wedoinnov/HD5_lichee

/*******************************************************************************
*函数名称: Boot0_C_part
*函数原型：void Boot0_C_part( void )
*函数功能: Boot0中用C语言编写的部分的主流程
*入口参数: void
*返 回 值: void
*备    注:
*******************************************************************************/
void Boot0_C_part( void )
{
	__u32 status;
	__s32 dram_size;
	int	index = 0;
	int   ddr_aotu_scan = 0;
	volatile unsigned int *reg_addr = 0;

//	move_RW( );
	clear_ZI( );

	bias_calibration();

    timer_init();
    UART_open( BT0_head.prvt_head.uart_port, (void *)BT0_head.prvt_head.uart_ctrl, 24*1000*1000 );
	//odt_status = check_odt(5);
    if( BT0_head.prvt_head.enable_jtag )
    {
		jtag_init( (normal_gpio_cfg *)BT0_head.prvt_head.jtag_gpio );
    }
	msg("HELLO! BOOT0 is starting!\n");
	print_version();

	{
		__u32 reg_val;
		__u32 fel_flag;

		fel_flag = *(volatile unsigned int *)(0x01f00000 + 0x108);
		//print smp status.
		index = 0;
		while(index < 0x18)
		{
			reg_addr = (volatile unsigned int *)(0x01f00000 + 0x100 + index);
			reg_val = *reg_addr;
	    		*reg_addr = 0;
	    		msg("reg_addr %x =%x\n", reg_addr, reg_val);
	    		index+=0x4;
		}


//		reg_val = *(volatile unsigned int *)(0x01f00000 + 0x108);
//		*(volatile unsigned int *)(0x01f00000 + 0x108) = 0;
//		msg("fel_flag=%x\n", fel_flag);
		if(fel_flag == 0x5AA5A55A)
		{
			msg("eraly jump fel\n");

			pll_reset();
			__msdelay(10);

			jump_to( FEL_BASE );
		}

	}

	mmu_system_init(EGON2_DRAM_BASE, 1 * 1024, EGON2_MMU_BASE);
	mmu_enable();

	//dram_size = init_DRAM(BT0_head.boot_head.platform[7]);                                // 初始化DRAM
//#ifdef  CONFIG_SUN6I_FPGA
//	ddr_aotu_scan = 1;
//	msg("config fpga\n");
//#else
//	ddr_aotu_scan = BT0_head.boot_head.platform[7];
//	msg("not config fpga\n");
//#endif
    ddr_aotu_scan = 0;
#ifdef DEBUG
	{
		int k;

		for(k=0;k<16;k++)
		{
			msg("%x\n", BT0_head.prvt_head.dram_para[k]);
		}
	}
#endif
//	msg("------------before------------\n");
//	dram_para_display();

	dram_size = init_DRAM(ddr_aotu_scan, (void *)BT0_head.prvt_head.dram_para);
	if(dram_size)
	{
		mdfs_save_value((void *)BT0_head.prvt_head.dram_para);
		msg("dram size =%d\n", dram_size);
	}
	else
	{
		msg("initializing SDRAM Fail.\n");
		mmu_disable( );

		pll_reset();
		__msdelay(10);

		jump_to( FEL_BASE );
	}

//	{
//		__u32 reg_val;
//
//		reg_val = *(volatile __u32 *)(0x1c20d20);
//		*(volatile __u32 *)(0x1c20d20) = 0;
//		msg("reg_val=%x, %x\n", reg_val, *(volatile __u32 *)(0x1c20d24));
//		if(reg_val & 0x01)
//		{
//			mmu_disable( );
//			jump_to( 0x40100000 );
//		}
//	}
//	msg("------------end------------\n");
//	dram_para_display();
	#if SYS_STORAGE_MEDIA_TYPE == SYS_STORAGE_MEDIA_NAND_FLASH
		status = load_Boot1_from_nand( );         // 载入Boot1
	#elif SYS_STORAGE_MEDIA_TYPE == SYS_STORAGE_MEDIA_SPI_NOR_FLASH
		status = load_boot1_from_spinor( );         // 载入Boot1
	#elif SYS_STORAGE_MEDIA_TYPE == SYS_STORAGE_MEDIA_SD_CARD
		status = load_boot1_from_sdmmc( (char *)BT0_head.prvt_head.storage_data );  // 载入boot1
	#else
		#error The storage media of Boot1 has not been defined.
	#endif


	msg("Ready to disable icache.\n");

	mmu_disable( );                               // disable instruction cache

	if( status == OK )
	{
//		restart_watch_dog( );                     // restart watch dog
		//跳转boot1之前，把dram的大小写进去
		//set_dram_size(dram_size );
		//跳转之前，把所有的dram参数写到boot1中
		set_dram_para((void *)&BT0_head.prvt_head.dram_para, dram_size);
		msg("Succeed in loading Boot1.\n"
		    "Jump to Boot1.\n");
		jump_to( BOOT1_BASE );                    // 如果载入Boot1成功，跳转到Boot1处执行
	}
	else
	{
//		disable_watch_dog( );                     // disable watch dog

		msg("Fail in loading Boot1.\n"
		    "Jump to Fel.\n");

		pll_reset();
		__msdelay(10);

		jump_to( FEL_BASE );                      // 如果载入Boot1失败，将控制权交给Fel
	}
}

Example #2

File: load_boot1_from_sdmmc.c Project: xwliu/BPI-M3-bsp

int load_boot1(void)
{
	memcpy((void *)DRAM_PARA_STORE_ADDR, (void *)BT0_head.prvt_head.dram_para, SUNXI_DRAM_PARA_MAX * 4);

	return load_boot1_from_sdmmc((char *)BT0_head.prvt_head.storage_data);
}