diff options
| author | Sukumar Ghorai <s-ghorai@ti.com> | 2011-01-28 15:42:06 +0530 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2011-02-17 15:32:53 -0800 |
| commit | 4e070376165a9b7f245fada77645b81352c6ec78 (patch) | |
| tree | 76a854fc37f50633f10a9eb25382d43329a94083 /arch | |
| parent | db97eb7dfe13f6c04f0a0e77c32e2691f563ab8b (diff) | |
omap3: nand: prefetch in irq mode support
This patch enable prefetch-irq mode for nand transfer(read, write)
Signed-off-by: Vimal Singh <vimalsingh@ti.com>
Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-omap2/board-flash.c | 2 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/nand.h | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/board-flash.c b/arch/arm/mach-omap2/board-flash.c index f6b72533c08..19645095d59 100644 --- a/arch/arm/mach-omap2/board-flash.c +++ b/arch/arm/mach-omap2/board-flash.c @@ -16,6 +16,7 @@ #include <linux/platform_device.h> #include <linux/mtd/physmap.h> #include <linux/io.h> +#include <plat/irqs.h> #include <plat/gpmc.h> #include <plat/nand.h> @@ -147,6 +148,7 @@ __init board_nand_init(struct mtd_partition *nand_parts, board_nand_data.nr_parts = nr_parts; board_nand_data.devsize = nand_type; + board_nand_data.gpmc_irq = OMAP_GPMC_IRQ_BASE + cs; gpmc_nand_init(&board_nand_data); } #else diff --git a/arch/arm/plat-omap/include/plat/nand.h b/arch/arm/plat-omap/include/plat/nand.h index 78c0bdb98c1..ae5e0538303 100644 --- a/arch/arm/plat-omap/include/plat/nand.h +++ b/arch/arm/plat-omap/include/plat/nand.h @@ -13,7 +13,8 @@ enum nand_io { NAND_OMAP_PREFETCH_POLLED = 0, /* prefetch polled mode, default */ NAND_OMAP_POLLED, /* polled mode, without prefetch */ - NAND_OMAP_PREFETCH_DMA /* prefetch enabled sDMA mode */ + NAND_OMAP_PREFETCH_DMA, /* prefetch enabled sDMA mode */ + NAND_OMAP_PREFETCH_IRQ /* prefetch enabled irq mode */ }; struct omap_nand_platform_data { @@ -26,6 +27,7 @@ struct omap_nand_platform_data { int (*nand_setup)(void); int (*dev_ready)(struct omap_nand_platform_data *); int dma_channel; + int gpmc_irq; enum nand_io xfer_type; unsigned long phys_base; int devsize; |