Macros and constants for external flash

Macros
#define	EFL_FLASH_SIZE   0x100000
#define	EFL_PAGE_SIZE   0x1000
#define	EXT_FLASH_ADDRESS(page, offset)   (((page) << 12) + (offset))
#define	EXT_FLASH_PAGE(addr)   (addr >> 12)
#define	EXTFLASH_PAGE_MASK   0xFFFFF000

Detailed Description

Macro Definition Documentation

EFL_FLASH_SIZE

#define EFL_FLASH_SIZE   0x100000

Total size of external flash

EFL_PAGE_SIZE

#define EFL_PAGE_SIZE   0x1000

Page size of external flash

EXT_FLASH_ADDRESS

#define EXT_FLASH_ADDRESS	(		page,
			offset
	)		(((page) << 12) + (offset))

MMacro to return an address based on an external flash page and offset into the page

EXT_FLASH_PAGE

#define EXT_FLASH_PAGE

(

addr

)

(addr >> 12)

Macro to return a page based on an external flash page and offset into the page

EXTFLASH_PAGE_MASK

#define EXTFLASH_PAGE_MASK   0xFFFFF000

Define for masking on external flash page size