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Nano2G NAND interleaved erase support

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25155 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sparmann 2010-03-13 21:45:23 +00:00
parent 382b6dca08
commit a99f8fae79
1 changed files with 35 additions and 0 deletions
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35
firmware/target/arm/s5l8700/ipodnano2g/nand-nano2g.c
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@ -676,6 +676,41 @@ uint32_t nand_write_page_collect(uint32_t bank)
return nand_wait_status_ready(bank);
}
uint32_t nand_block_erase_fast(uint32_t page)
{
uint32_t i, rc = 0;
mutex_lock(&nand_mtx);
nand_last_activity_value = current_tick;
led(true);
if (!nand_powered) nand_power_up();
for (i = 0; i < 4; i++)
{
if (nand_type[i] == 0xFFFFFFFF) continue;
nand_set_fmctrl0(i, 0);
if (nand_send_cmd(NAND_CMD_BLOCKERASE))
{
rc |= 1 << i;
continue;
}
FMANUM = 2;
FMADDR0 = page;
FMCTRL1 = FMCTRL1_DOTRANSADDR;
if (nand_wait_cmddone())
{
rc |= 1 << i;
continue;
}
if (nand_send_cmd(NAND_CMD_ERASECNFRM)) rc |= 1 << i;
}
for (i = 0; i < 4; i++)
{
if (nand_type[i] == 0xFFFFFFFF) continue;
if (rc & (1 << i)) continue;
if (nand_wait_status_ready(i)) rc |= 1 << i;
}
return nand_unlock(rc);
}
const struct nand_device_info_type* nand_get_device_type(uint32_t bank)
{
if (nand_type[bank] == 0xFFFFFFFF)