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>
This commit is contained in:
vimal singh
2009-07-13 16:26:24 +05:30
committed by David Woodhouse
parent 8bff82cbc3
commit 59e9c5ae17
4 changed files with 226 additions and 10 deletions

View File

@@ -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