[U-Boot] [RFC/PATCH 2/4] omap3/omap_gpmc.h: add ooblayout for BCH8 as in kernel

Andreas Bießmann
2012-11-23T15:14:15Z

This patch adds BCH8 ooblayout for NAND as provided by
0e618ef0a6a33cf7ef96c2c824402088dd8ef48c in linux kernel. This Layout is
currently only provided for 64 byte OOB.

Signed-off-by: Andreas Bie?mann <andreas.devel@googlemail.com>
Cc: Tom Rini <trini@ti.com>
Cc: Ilya Yanok <ilya.yanok@cogentembedded.com>
Cc: Scott Wood <scottwood@freescale.com>
---
arch/arm/include/asm/arch-omap3/omap_gpmc.h | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/arch/arm/include/asm/arch-omap3/omap_gpmc.h b/arch/arm/include/asm/arch-omap3/omap_gpmc.h
index 800e4ee..3a3abdf 100644
--- a/arch/arm/include/asm/arch-omap3/omap_gpmc.h
+++ b/arch/arm/include/asm/arch-omap3/omap_gpmc.h
@@ -80,6 +80,18 @@
}
#endif

+/* use the same layout here as he kernel does (ecc bytes at oob tail) */
+#define GPMC_NAND_HW_BCH8_ECC_LAYOUT {\
+ .eccbytes = 56,\
+ .eccpos = {12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,\
+ 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36,\
+ 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50,\
+ 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63},\
+ .oobfree = {\
+ {.offset = 2,\
+ .length = 10 } } \
+}
+
/* GPMC CS configuration for an SMSC LAN9221 ethernet controller */
#define NET_LAN9221_GPMC_CONFIG1 0x00001000
#define NET_LAN9221_GPMC_CONFIG2 0x00060700
--
1.7.10.4