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bios/sdram: also check for last read of scan to choose optimal window

This commit is contained in:
Florent Kermarrec 2018-07-02 14:12:27 +02:00
parent 8ce7fcb237
commit df99cc66e8
1 changed files with 1 additions and 1 deletions
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2
litex/soc/software/bios/sdram.c
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@ -422,7 +422,7 @@ static int read_level_scan(int silent)
if(MMPTR(sdram_dfii_pix_rddata_addr[p]+4*(i+DFII_PIX_DATA_SIZE/2)) != prs[DFII_PIX_DATA_SIZE*p+i+DFII_PIX_DATA_SIZE/2]) if(MMPTR(sdram_dfii_pix_rddata_addr[p]+4*(i+DFII_PIX_DATA_SIZE/2)) != prs[DFII_PIX_DATA_SIZE*p+i+DFII_PIX_DATA_SIZE/2])
working = 0; working = 0;
} }
if (j == 0) if ((j == 0) || (j == (ERR_DDRPHY_DELAY-1)))
/* to have an optimal scan, first tap should not be working */ /* to have an optimal scan, first tap should not be working */
optimal &= (working == 0); optimal &= (working == 0);
if (!silent) if (!silent)