73 lines
1.3 KiB
C
73 lines
1.3 KiB
C
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#include "string.h"
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#include "stdlib.h"
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#include "debug.h"
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#include "stm32h7xx.h"
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#include "myftl.h"
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//ÿ<><C3BF><EFBFBD><EFBFBD>,<2C><>һ<EFBFBD><D2BB>page<67><65>spare<72><65>,ǰ<>ĸ<EFBFBD><C4B8>ֽڵĺ<DAB5><C4BA><EFBFBD>:
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//<2F><>һ<EFBFBD><D2BB><EFBFBD>ֽ<EFBFBD>,<2C><>ʾ<EFBFBD>ÿ<EFBFBD><C3BF>Ƿ<EFBFBD><C7B7>ǻ<EFBFBD><C7BB><EFBFBD>:0XFF,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;<3B><><EFBFBD><EFBFBD>ֵ,<2C><><EFBFBD><EFBFBD>.
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//<2F>ڶ<EFBFBD><DAB6><EFBFBD><EFBFBD>ֽ<EFBFBD>,<2C><>ʾ<EFBFBD>ÿ<EFBFBD><C3BF>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD>ù<EFBFBD>:0XFF,û<><C3BB>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;0XCC,д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
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//<2F><><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><CDB5>ĸ<EFBFBD><C4B8>ֽ<EFBFBD>,<2C><>ʾ<EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
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//ÿ<><C3BF>page,spare<72><65>16<31>ֽ<EFBFBD><D6BD>Ժ<EFBFBD><D4BA><EFBFBD><EFBFBD>ֽں<D6BD><DABA><EFBFBD>:
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//<2F><>ʮ<EFBFBD><CAAE><EFBFBD>ֽڿ<D6BD>ʼ,<2C><><EFBFBD><EFBFBD>ÿ4<C3BF><34><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD>ڴ洢һ<E6B4A2><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><>С:NAND_ECC_SECTOR_SIZE)<29><>ECCֵ,<2C><><EFBFBD><EFBFBD>ECCУ<43><D0A3>
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typedef struct{
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nand_if *nand;
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uint32_t block_num;
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uint16_t page_per_block;
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uint16_t block_per_plan;
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uint16_t plan_per_nand;
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uint32_t block_goodnum;
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uint32_t block_badnum;
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uint16_t lut[0];
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}ftl_def;
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static ftl_def *g_self;
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int ftl_init(nand_if *n,uint32_t block_num)
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{
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if(g_self) return -1;
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uint32_t size=sizeof(ftl_def)+ block_num*2;
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g_self=malloc(size);
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if(g_self==0){
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DBG_WARN("can not malloc memory");
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return -1;
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}
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memset(g_self,0,size);
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g_self->block_num=block_num;
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g_self->nand=n;
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return g_self->nand->init();
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}
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int ftl_create_lut(void)
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{
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ftl_def *s=g_self;
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nand_if *n=s->nand;
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uint8_t buff[4];
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int index_logic;
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for(int i=0;i<s->block_num;i++)
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{
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s->lut[i]=0xffff;
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}
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s->block_goodnum=0;
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for(int i=0;i<s->block_num;i++)
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{
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n->read_page_spare_area(i/s->block_per_plan,i%s->block_per_plan,0,buff,4);
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}
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}
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