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i.MX25: Set OOB size (MXC NFC) 

SPAS register (OOB size) is left wrong after reset with respect to 2KiB page NAND chip. That will lead to ECC errors after 'reset halt'.

Change-Id: If5a4685cb8d6be35879453951611ef1059da219c
Signed-off-by: Timo Ketola <timo@exertus.fi>
Reviewed-on: http://openocd.zylin.com/384
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Timo Ketola 2012-01-17 10:42:19 +02:00 committed by Spencer Oliver
parent 536ca77e38
commit 3c63eff2d9
1 changed files with 4 additions and 0 deletions
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4
src/flash/nand/mxc.c
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@ -39,6 +39,7 @@
* !! all function only tested with 2k page nand device; mxc_write_page
* writes the 4 MAIN_BUFFER's and is not compatible with < 2k page
* !! oob must be be used due to NFS bug
* !! oob must be 64 bytes per 2KiB page
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
@ -48,6 +49,8 @@
#include "mxc.h"
#include <target/target.h>
#define OOB_SIZE 64
#define nfc_is_v1() (mxc_nf_info->mxc_version == MXC_VERSION_MX27 || \
mxc_nf_info->mxc_version == MXC_VERSION_MX31)
#define nfc_is_v2() (mxc_nf_info->mxc_version == MXC_VERSION_MX25 || \
@ -732,6 +735,7 @@ static int initialize_nf_controller(struct nand_device *nand)
LOG_DEBUG("MXC_NF : work without ECC mode");
}
if (nfc_is_v2()) {
target_write_u16(target, MXC_NF_V2_SPAS, OOB_SIZE / 2);
if (nand->page_size) {
uint16_t pages_per_block = nand->erase_size / nand->page_size;
work_mode |= MXC_NF_V2_CFG1_PPB(ffs(pages_per_block) - 6);