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authorSekhar Nori <nsekhar@ti.com>2010-08-09 15:46:35 +0530
committerKevin Hilman <khilman@deeprootsystems.com>2010-09-24 07:40:26 -0700
commit8060ef4da9e73f461adf2ba1922ea5400a61cf98 (patch)
treec2b32a3ba886a40803aba15dd6f52852e912b846 /drivers/mtd
parent13d36a923da6a1e0584e07d91320373c790c01c3 (diff)
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davinci: add support for aemif timing configuration
This patch adds support to configure the AEMIF interface with supplied timing values. Since this capability is useful both from NOR and NAND flashes, it is provided as a new interface and in a file of its own. AEMIF timing configuration is required in cases: 1) Where the AEMIF clock rate can change at runtime (a side affect of cpu frequency change). 2) Where U-Boot does not support NAND/NOR but supports other media like SPI Flash or MMC/SD and thus does not care about setting up the AEMIF timing for kernel to use. 3) Where U-Boot just hasn't configured the timing values and cannot be upgraded because the box is already in the field. Since there is now a header file for AEMIF interface, the common (non-NAND specific) defines for AEMIF registers have been moved from nand.h into the newly created aemif.h Signed-off-by: Sekhar Nori <nsekhar@ti.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/davinci_nand.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 2ac7367..8e2d56c 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -35,6 +35,7 @@
#include <linux/slab.h>
#include <mach/nand.h>
+#include <mach/aemif.h>
#include <asm/mach-types.h>