225 lines
6.4 KiB
C
225 lines
6.4 KiB
C
/*
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* (C) Copyright 2007-2013
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* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
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* Jerry Wang <wangflord@allwinnertech.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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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; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <config.h>
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#include <common.h>
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download_info dl_map;
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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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int sprite_card_firmware_probe(void)
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{
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uint start;
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start = sprite_card_firmware_start();
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if(!start)
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{
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printf("sunxi sprite: read mbr error\n");
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return -1;
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}
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return 0;
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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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int sprite_card_fetch_download_map(download_info *dl_info)
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{
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//read dl info
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return 0;
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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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int card_start_fetch_part_data(HIMAGEITEM imghd, HIMAGEITEM imgitemhd, queue_data qdata)
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{
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//读取成功
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if(Img_ReadItemData(imghd, imgitemhd, (void *)qdata.data, qdata.length))
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{
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return 0;
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}
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return -1;
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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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int sunxi_sprite_card_download_part(void)
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{
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uint part_datasize;
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int i = 0;
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int format;
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uint base_start, base_length;
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queue_data qdata;
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uint origin_verify, active_verify;
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for(i=0;i<dl_map.download_count;i++)
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{
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//任意一个分区，需要烧写的数据量
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//清空所有buffer
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sunxi_queue_reset();
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//USB量产，要求送入名为dl_filename的数据
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base_part_start = dl_map.part_info[i].addrlo;
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part_flash_size = dl_map.part_info[i].lenlo;
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//卡量产，直接读取
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//二者都将采用中断自动执行的方式，不停的填充buffer空间
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//当填充完成，没有新buffer可用，则启动定时中断查询是否有新空间
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imgitemhd = Img_OpenItem(imghd, dl_map.part_info[i].dl_style, dl_map.part_info[i].dl_filename);
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if(!imgitemhd)
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{
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printf("sprite error: open part %s failed\n", dl_map.part_info[i].dl_filename);
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return -1;
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}
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part_datasize = Img_GetItemSize(imghd, imgitemhd);
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if(part_datasize > part_flash_size) //检查分区大小是否合法
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{
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//data is larger than part size
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printf("sunxi sprite: data size is larger than part %s size\n", dl_map.part_info[i].dl_filename);
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return -1;
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}
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//开始获取分区数据，第一笔数据用于判断数据的格式
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sunxi_queue_pick(&qdata);
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if(!card_start_fetch_part_data(imghd, imgitemhd, qdata))
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{
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printf("card sprite error: read sdcard fail\n");
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return -1;
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}
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//判断分区数据的格式
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format = sunxi_sprite_probe_part_data_format(qdata.data);
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if(format == SUNXI_SPRITE_FORMAT_RAW)
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{
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ret = sunxi_sprite_download_raw(qdata, base_part_start, part_flash_size);
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}
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//else if(format == SUNXI_SPRITE_FORMAT_SPARSE)
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else
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{
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ret = sunxi_sprite_download_sparse(qdata, base_part_start, part_flash_size);
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}
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if(ret < 0)
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{
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printf("sunxi sprite: download part data error\n");
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return -1;
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}
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Img_CloseItem(imghd, imgitemhd);
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//校验数据
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if(dl_map.one_part_info[i].vf_filename)
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{
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imgitemhd = Img_OpenItem(imghd, dl_map.part_info[i].dl_style, dl_map.part_info[i].vf_filename);
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if(!imgitemhd)
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{
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printf("sprite error: open part %s failed\n", dl_map.part_info[i].vf_filename);
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Img_CloseItem(imghd, imgitemhd);
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continue;
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}
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if(!Img_ReadItemData(imghd, imgitemhd, (void *)&origin_verify, sizeof(int))) //读出数据
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{
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printf("sprite update warning: fail to read data from %s\n", dl_info->one_part_info[i].vf_filename);
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Img_CloseItem(imghd, imgitemhd);
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continue;
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}
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if(format == SUNXI_SPRITE_FORMAT_RAW)
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{
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active_verify = sunxi_sprite_part_rawdata_verify(base_start, base_length);
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}
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else
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{
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active_verify = sunxi_sprite_part_sparsedata_verify();
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}
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if(origin_verify != active_verify)
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{
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printf("sunxi sprite: part %s verify error\n", dl_map.one_part_info[i].dl_filename);
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printf("origin checksum=%x, active checksum=%x\n", origin_verify, active_verify);
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Img_CloseItem(imghd, imgitemhd);
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return -1;
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}
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Img_CloseItem(imghd, imgitemhd);
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}
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else
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{
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printf("sunxi sprite: part %s not need to verify\n", dl_map.one_part_info[i].dl_filename);
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}
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}
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return 0;
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}
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