Hi Stefan,
From: Stefan Roese [mailto:sr@denx.de]
On 30.09.2013 16:13, Pekon Gupta wrote: BCH8_ECC scheme implemented in omap_gpmc.c driver has following
favours
+-----------------------------------+-----------------+-----------------+ |ECC Scheme | ECC Calculation | Error Detection | +-----------------------------------+-----------------+-----------------+ |OMAP_ECC_BCH8_CODE_HW |GPMC |ELM H/W engine | |OMAP_ECC_BCH8_CODE_HW_DETECTION_SW |GPMC |S/W BCH
library |
+-----------------------------------+-----------------+-----------------+
Current implementation limits the BCH8_CODE_HW only for AM33xx
device family.
(using CONFIG_AM33XX). However, other SoC families (like TI81xx) also
have
ELM hardware module, and can support ECC error detection using ELM.
This patch
- removes CONFIG_AM33xx Thus this driver can be reused by all devices having ELM h/w engine.
Do you have an overview, which TI devices actually have this ELM h/w engine integrated? Especially if its integrated in the OMAP3530 SoC? I'm currently scanning the users manual and can't find any reference to this IP block.
Incase you are working on a x16 device on omap35xx, then you might like to look at following patch set also. This allows: - SPL boot: device-width can be set via CONFIG_SYS_NAND_DEVICE_WIDTH - U-BOOT: device-width is auto-detected via reading on-chip ONFI params.
http://lists.denx.de/pipermail/u-boot/2013-September/163878.html
with regards, pekon