From: Andrew Victor <andrew@sanpeople.com>
To: dwmw2@infradead.org
Cc: linux-mtd@lists.infradead.org
Subject: [PATCH] [MTD] NAND: Support for 16-bit bus-width on AT91.
Date: 08 Dec 2006 13:49:42 +0200 [thread overview]
Message-ID: <1165578581.29331.93.camel@fuzzie.sanpeople.com> (raw)
Add support for 16-bit NAND bus-width for the AT91 NAND driver.
The 16-bit NAND is found on the Atmel AT91SAM9260-EK and AT91SAM9261-EK
boards.
Orignal Patch from Patrice Vilchez
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
diff -urN -x CVS linux-2.6.19-final/drivers/mtd/nand/at91_nand.c linux-2.6.19/drivers/mtd/nand/at91_nand.c
--- linux-2.6.19-final/drivers/mtd/nand/at91_nand.c Fri Dec 8 12:56:33 2006
+++ linux-2.6.19/drivers/mtd/nand/at91_nand.c Wed Nov 15 08:12:22 2006
@@ -128,6 +128,9 @@
nand_chip->ecc.mode = NAND_ECC_SOFT; /* enable ECC */
nand_chip->chip_delay = 20; /* 20us command delay time */
+ if (host->board->bus_width_16) /* 16-bit bus width */
+ nand_chip->options |= NAND_BUSWIDTH_16;
+
platform_set_drvdata(pdev, host);
at91_nand_enable(host);
reply other threads:[~2006-12-08 11:59 UTC|newest]
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