Make the Nano2G FTL use the new parallel read function
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25157 a1c6a512-1295-4272-9138-f99709370657
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1 changed files with 46 additions and 9 deletions
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@ -863,18 +863,55 @@ uint32_t ftl_vfl_read_fast(uint32_t vpage, void* buffer, void* sparebuffer,
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panicf("FTL: Trying to read out-of-bounds vPage %u", (unsigned)vpage);
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//return 4;
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uint32_t bank = abspage % ftl_banks;
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uint32_t block = abspage / ((*ftl_nand_type).pagesperblock * ftl_banks);
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uint32_t page = (abspage / ftl_banks) % (*ftl_nand_type).pagesperblock;
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if (bank)
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{
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for (i = 0; i < ftl_banks; i++)
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{
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void* databuf = (void*)0;
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void* sparebuf = (void*)0;
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if (buffer) databuf = (void*)((uint32_t)buffer + 0x800 * i);
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if (sparebuffer) sparebuf = (void*)((uint32_t)sparebuffer + 0x40 * i);
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uint32_t ret = ftl_vfl_read(vpage + i, databuf, sparebuf, checkempty, remaponfail);
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if (ret & 1) rc |= 1 << (i << 2);
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if (ret & 2) rc |= 2 << (i << 2);
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if (ret & 0x10) rc |= 4 << (i << 2);
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if (ret & 0x100) rc |= 8 << (i << 2);
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}
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return rc;
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}
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uint32_t physblock = ftl_vfl_get_physical_block(bank, block);
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uint32_t physpage = physblock * (*ftl_nand_type).pagesperblock + page;
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rc = nand_read_page_fast(physpage, buffer, sparebuffer, 1, checkempty);
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if (!(rc & 0xdddd)) return rc;
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for (i = 0; i < ftl_banks; i++)
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{
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void* databuf = (void*)0;
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void* sparebuf = (void*)0;
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if (buffer) databuf = (void*)((uint32_t)buffer + 0x800 * i);
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if (sparebuffer) sparebuf = (void*)((uint32_t)sparebuffer + 0x40 * i);
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uint32_t ret = ftl_vfl_read(vpage + i, databuf, sparebuf, checkempty, remaponfail);
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if (ret & 1) rc |= 1 << (i << 2);
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if (ret & 2) rc |= 2 << (i << 2);
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if (ret & 0x10) rc |= 4 << (i << 2);
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if (ret & 0x100) rc |= 8 << (i << 2);
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if ((rc >> (i << 2)) & 0x2) continue;
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if ((rc >> (i << 2)) & 0xf)
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{
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rc &= ~(0xf << (i << 2));
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nand_reset(i);
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uint32_t ret = nand_read_page(i, physpage,
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(void*)((uint32_t)buffer + 0x800 * i),
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(void*)((uint32_t)sparebuffer + 0x40 * i),
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1, checkempty);
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#ifdef FTL_READONLY
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(void)remaponfail;
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#else
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if (remaponfail == 1 && (ret & 0x11D) != 0 && (ret & 2) == 0)
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ftl_vfl_schedule_block_for_remap(i, block);
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#endif
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if (ret & 1) rc |= 1 << (i << 2);
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if (ret & 2) rc |= 2 << (i << 2);
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if (ret & 0x10) rc |= 4 << (i << 2);
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if (ret & 0x100) rc |= 8 << (i << 2);
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}
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}
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return rc;
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}
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