| /* |
| * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> |
| * |
| * Under GPLv2 only |
| */ |
| |
| #ifndef __ARCH_SYSTEM_REV_H__ |
| #define __ARCH_SYSTEM_REV_H__ |
| |
| #include <asm/system_info.h> |
| |
| /* |
| * board revision encoding |
| * mach specific |
| * the 16-31 bit are reserved for at91 generic information |
| * |
| * bit 31: |
| * 0 => nand 8 bit |
| * 1 => nand 16 bit |
| */ |
| #define BOARD_HAVE_NAND_16BIT (1 << 31) |
| static inline int board_have_nand_16bit(void) |
| { |
| return (system_rev & BOARD_HAVE_NAND_16BIT) ? 1 : 0; |
| } |
| |
| #endif /* __ARCH_SYSTEM_REV_H__ */ |