Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
[MTD] NAND: Support for 16-bit bus-width on AT91.
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>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
authored by Andrew Victor and committed by David Woodhouse dd11b8cd 4a0c50c0
+3
drivers/mtd/nand/at91_nand.c
+3
drivers/mtd/nand/at91_nand.c
···
128
128
nand_chip->ecc.mode = NAND_ECC_SOFT; /* enable ECC */
129
129
nand_chip->chip_delay = 20; /* 20us command delay time */
130
130
131
+
if (host->board->bus_width_16) /* 16-bit bus width */
132
+
nand_chip->options |= NAND_BUSWIDTH_16;
133
+
131
134
platform_set_drvdata(pdev, host);
132
135
at91_nand_enable(host);
133
136