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Make the Nano2G FTL use the new parallel read function

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25157 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sparmann 2010-03-13 21:55:42 +00:00
parent afd7a86056
commit 9c2baa6b17
1 changed files with 46 additions and 9 deletions
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55
firmware/target/arm/s5l8700/ipodnano2g/ftl-nano2g.c
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@ -863,18 +863,55 @@ uint32_t ftl_vfl_read_fast(uint32_t vpage, void* buffer, void* sparebuffer,
panicf("FTL: Trying to read out-of-bounds vPage %u", (unsigned)vpage);
//return 4;
uint32_t bank = abspage % ftl_banks;
uint32_t block = abspage / ((*ftl_nand_type).pagesperblock * ftl_banks);
uint32_t page = (abspage / ftl_banks) % (*ftl_nand_type).pagesperblock;
if (bank)
{
for (i = 0; i < ftl_banks; i++)
{
void* databuf = (void*)0;
void* sparebuf = (void*)0;
if (buffer) databuf = (void*)((uint32_t)buffer + 0x800 * i);
if (sparebuffer) sparebuf = (void*)((uint32_t)sparebuffer + 0x40 * i);
uint32_t ret = ftl_vfl_read(vpage + i, databuf, sparebuf, checkempty, remaponfail);
if (ret & 1) rc |= 1 << (i << 2);
if (ret & 2) rc |= 2 << (i << 2);
if (ret & 0x10) rc |= 4 << (i << 2);
if (ret & 0x100) rc |= 8 << (i << 2);
}
return rc;
}
uint32_t physblock = ftl_vfl_get_physical_block(bank, block);
uint32_t physpage = physblock * (*ftl_nand_type).pagesperblock + page;
rc = nand_read_page_fast(physpage, buffer, sparebuffer, 1, checkempty);
if (!(rc & 0xdddd)) return rc;
for (i = 0; i < ftl_banks; i++)
{
void* databuf = (void*)0;
void* sparebuf = (void*)0;
if (buffer) databuf = (void*)((uint32_t)buffer + 0x800 * i);
if (sparebuffer) sparebuf = (void*)((uint32_t)sparebuffer + 0x40 * i);
uint32_t ret = ftl_vfl_read(vpage + i, databuf, sparebuf, checkempty, remaponfail);
if (ret & 1) rc |= 1 << (i << 2);
if (ret & 2) rc |= 2 << (i << 2);
if (ret & 0x10) rc |= 4 << (i << 2);
if (ret & 0x100) rc |= 8 << (i << 2);
if ((rc >> (i << 2)) & 0x2) continue;
if ((rc >> (i << 2)) & 0xf)
{
rc &= ~(0xf << (i << 2));
nand_reset(i);
uint32_t ret = nand_read_page(i, physpage,
(void*)((uint32_t)buffer + 0x800 * i),
(void*)((uint32_t)sparebuffer + 0x40 * i),
1, checkempty);
#ifdef FTL_READONLY
(void)remaponfail;
#else
if (remaponfail == 1 && (ret & 0x11D) != 0 && (ret & 2) == 0)
ftl_vfl_schedule_block_for_remap(i, block);
#endif
if (ret & 1) rc |= 1 << (i << 2);
if (ret & 2) rc |= 2 << (i << 2);
if (ret & 0x10) rc |= 4 << (i << 2);
if (ret & 0x100) rc |= 8 << (i << 2);
}
}
return rc;
}