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omap_gpmc: add support for hw assisted BCH8

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The kernel states:

---8<---
The OMAP3 GPMC hardware BCH engine computes remainder polynomials, it does not
provide automatic error location and correction: this step is implemented using
the BCH library.
--->8---

And we do so in u-boot.

This implementation uses the same layout for BCH8 but it is fix. The current
provided layout does only work with 64 Byte OOB.

Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Cc: Tom Rini <trini@ti.com>
Cc: Ilya Yanok <ilya.yanok@cogentembedded.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Mansoor Ahamed <mansoor.ahamed@ti.com>
Cc: Thomas Weber <thomas.weber.linux@googlemail.com>
This commit is contained in:
Andreas Bießmann
2013-04-05 04:55:21 +00:00
committed by Tom Rini
parent da634ae356
commit 4a0930069b
3 changed files with 305 additions and 92 deletions
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2
lib/Makefile
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@@ -27,7 +27,6 @@ LIB = $(obj)libgeneric.o
ifndef CONFIG_SPL_BUILD
COBJS-$(CONFIG_ADDR_MAP) += addr_map.o
COBJS-$(CONFIG_BCH) += bch.o
COBJS-$(CONFIG_AES) += aes.o
COBJS-$(CONFIG_BZIP2) += bzlib.o
COBJS-$(CONFIG_BZIP2) += bzlib_crctable.o
@@ -67,6 +66,7 @@ COBJS-$(CONFIG_SPL_NET_SUPPORT) += errno.o
COBJS-$(CONFIG_SPL_NET_SUPPORT) += hashtable.o
COBJS-$(CONFIG_SPL_NET_SUPPORT) += net_utils.o
endif
COBJS-$(CONFIG_BCH) += bch.o
COBJS-y += crc32.o
COBJS-y += ctype.o
COBJS-y += div64.o