SmartAudio/lichee/brandy/basic_loader/fes1/fes1.c

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/*
* (C) Copyright 2012
* wangflord@allwinnertech.com
*
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program;
*
*/
#include <string.h>
#include "types.h"
#include "arch.h"
#include "bsp.h"
#include "boot0_v2.h"
extern const boot0_file_head_t fes1_head;
typedef struct __fes_aide_info{
__u32 dram_init_flag; /* Dram初始化完成标志 */
__u32 dram_update_flag; /* Dram 参数是否被修改标志 */
__u32 dram_paras[SUNXI_DRAM_PARA_MAX];
}fes_aide_info_t;
/*
************************************************************************************
* note_dram_log
*
* Description:
* <20><><EFBFBD><EFBFBD>ɱ<EFBFBD>־
* Parameters:
* void
* Return value:
* 0: success
* !0: fail
* History:
* void
************************************************************************************
*/
static void note_dram_log(void)
{
fes_aide_info_t *fes_aide = (fes_aide_info_t *)FES1_DRAM_RET_ADDR;
memset(fes_aide, 0, sizeof(fes_aide_info_t));
fes_aide->dram_init_flag = SYS_PARA_LOG;
fes_aide->dram_update_flag = 1;
memcpy(fes_aide->dram_paras, fes1_head.prvt_head.dram_para, SUNXI_DRAM_PARA_MAX * 4);
memcpy((void *)DRAM_PARA_STORE_ADDR, fes1_head.prvt_head.dram_para, SUNXI_DRAM_PARA_MAX * 4);
}
/*
************************************************************************************************************
*
* function
*
* name :
*
* parmeters :
*
* return :
*
* note :
*
*
************************************************************************************************************
*/
#pragma arm section code="fes1_section"
void fes1_entry(void)
{
cpu_init_s();
timer_init();
UART_open( fes1_head.prvt_head.uart_port, (void *)fes1_head.prvt_head.uart_ctrl, 24*1000*1000 );
UART_printf2("begin init dram\n");
if(init_DRAM(0, (void *)fes1_head.prvt_head.dram_para))
{
note_dram_log();
UART_printf2("init dram ok\n");
}
else
{
UART_printf2("init dram fail\n");
}
__msdelay(10);
return;
}
#pragma arm section