105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
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/*
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* (C) Copyright 2012
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* wangflord@allwinnertech.com
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program;
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*
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*/
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#include <string.h>
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#include "types.h"
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#include "arch.h"
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#include "bsp.h"
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#include "boot0_v2.h"
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extern const boot0_file_head_t fes1_head;
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typedef struct __fes_aide_info{
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__u32 dram_init_flag; /* Dram初始化完成标志 */
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__u32 dram_update_flag; /* Dram 参数是否被修改标志 */
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__u32 dram_paras[SUNXI_DRAM_PARA_MAX];
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}fes_aide_info_t;
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/*
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************************************************************************************
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* note_dram_log
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*
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* Description:
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɱ<EFBFBD>־
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* Parameters:
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* void
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* Return value:
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* 0: success
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* !0: fail
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* History:
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* void
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************************************************************************************
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*/
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static void note_dram_log(void)
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{
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fes_aide_info_t *fes_aide = (fes_aide_info_t *)FES1_DRAM_RET_ADDR;
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memset(fes_aide, 0, sizeof(fes_aide_info_t));
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fes_aide->dram_init_flag = SYS_PARA_LOG;
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fes_aide->dram_update_flag = 1;
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memcpy(fes_aide->dram_paras, fes1_head.prvt_head.dram_para, SUNXI_DRAM_PARA_MAX * 4);
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memcpy((void *)DRAM_PARA_STORE_ADDR, fes1_head.prvt_head.dram_para, SUNXI_DRAM_PARA_MAX * 4);
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}
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/*
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************************************************************************************************************
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*
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* function
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*
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* name :
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*
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* parmeters :
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*
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* return :
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*
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* note :
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*
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*
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************************************************************************************************************
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*/
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#pragma arm section code="fes1_section"
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void fes1_entry(void)
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{
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cpu_init_s();
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timer_init();
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UART_open( fes1_head.prvt_head.uart_port, (void *)fes1_head.prvt_head.uart_ctrl, 24*1000*1000 );
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UART_printf2("begin init dram\n");
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if(init_DRAM(0, (void *)fes1_head.prvt_head.dram_para))
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{
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note_dram_log();
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UART_printf2("init dram ok\n");
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}
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else
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{
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UART_printf2("init dram fail\n");
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}
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__msdelay(10);
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return;
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}
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#pragma arm section
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