From 59e9c5ae17179fe561103fbe0808fac5976ca1bd Mon Sep 17 00:00:00 2001 From: vimal singh Date: Mon, 13 Jul 2009 16:26:24 +0530 Subject: 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 Acked-by: Tony Lindgren Signed-off-by: David Woodhouse --- arch/arm/plat-omap/include/mach/gpmc.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/arm/plat-omap') diff --git a/arch/arm/plat-omap/include/mach/gpmc.h b/arch/arm/plat-omap/include/mach/gpmc.h index 921b16532ff5..9c99cda77ba6 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 -- cgit v1.2.3