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authorvimal singh <vimalsingh@ti.com>2009-07-13 16:26:24 +0530
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-09-19 13:20:51 -0700
commit59e9c5ae17179fe561103fbe0808fac5976ca1bd (patch)
treecc1f155a2569d09ae5d1d232046bb188c6b38d4c /arch/arm/plat-omap
parent8bff82cbc30884fc52969608d090d874641e7196 (diff)
mtd: omap: add support for nand prefetch-read and post-write
This patch adds prefetch support to access nand flash in mpu mode. This patch also adds 8-bit nand support (omap_read/write_buf8). Prefetch can be used for both 8- and 16-bit devices. Signed-off-by: Vimal Singh <vimalsingh@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'arch/arm/plat-omap')
-rw-r--r--arch/arm/plat-omap/include/mach/gpmc.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/gpmc.h b/arch/arm/plat-omap/include/mach/gpmc.h
index 921b16532ff..9c99cda77ba 100644
--- a/arch/arm/plat-omap/include/mach/gpmc.h
+++ b/arch/arm/plat-omap/include/mach/gpmc.h
@@ -103,6 +103,10 @@ extern int gpmc_cs_request(int cs, unsigned long size, unsigned long *base);
extern void gpmc_cs_free(int cs);
extern int gpmc_cs_set_reserved(int cs, int reserved);
extern int gpmc_cs_reserved(int cs);
+extern int gpmc_prefetch_enable(int cs, int dma_mode,
+ unsigned int u32_count, int is_write);
+extern void gpmc_prefetch_reset(void);
+extern int gpmc_prefetch_status(void);
extern void __init gpmc_init(void);
#endif