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drivers: rkflash: Not recheck the cache for XTX devices

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Change-Id: I440b3a07d86bbdcbeaa6ab4b5282623bf6cb74c7
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
This commit is contained in:
Jon Lin
2021-09-23 11:05:17 +08:00
parent f70babda2a
commit dac6b60a6b
1 changed files with 11 additions and 8 deletions
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19
drivers/rkflash/sfc_nand.c
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@@ -770,15 +770,18 @@ u32 sfc_nand_prog_page_raw(u8 cs, u32 addr, u32 *p_page_buf)
sfc_request(&op, plane, p_page_buf, page_size);
/*
* At the moment of power lost, flash maybe work in a unkonw state
* and result in bit flip, when this situation is detected by cache
* recheck, it's better to wait a second for a reliable hardware
* environment to avoid abnormal data written to flash array.
* At the moment of power lost or dev running in harsh environment, flash
* maybe work in a unkonw state and result in bit flip, when this situation
* is detected by cache recheck, it's better to wait a second for a reliable
* hardware environment to avoid abnormal data written to flash array.
*/
sfc_nand_read_cache(addr, (u32 *)sfc_nand_dev.recheck_buffer, 0, data_area_size);
if (memcmp(sfc_nand_dev.recheck_buffer, p_page_buf, data_area_size)) {
rkflash_print_error("%s cache bitflip1\n", __func__);
msleep(1000);
if (p_nand_info->id0 != MID_XTX) {
sfc_nand_read_cache(addr, (u32 *)sfc_nand_dev.recheck_buffer, 0, data_area_size);
if (memcmp(sfc_nand_dev.recheck_buffer, p_page_buf, data_area_size)) {
rkflash_print_error("%s cache bitflip1\n", __func__);
msleep(1000);
sfc_request(&op, plane, p_page_buf, page_size);
}
}
op.sfcmd.d32 = 0;