| 1 | /* |
| 2 | * Generic prom definitions |
| 3 | * |
| 4 | * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License version 2 as published |
| 8 | * by the Free Software Foundation. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #ifndef _ADM5120_PROM_H_ |
| 13 | #define _ADM5120_PROM_H_ |
| 14 | |
| 15 | /* |
| 16 | * Helper routines |
| 17 | */ |
| 18 | static inline u16 prom_read_le16(void *buf) |
| 19 | { |
| 20 | u8 *p = buf; |
| 21 | |
| 22 | return ((u16)p[0] + ((u16)p[1] << 8)); |
| 23 | } |
| 24 | |
| 25 | static inline u32 prom_read_le32(void *buf) |
| 26 | { |
| 27 | u8 *p = buf; |
| 28 | |
| 29 | return ((u32)p[0] + ((u32)p[1] << 8) + ((u32)p[2] << 16) + |
| 30 | ((u32)p[3] << 24)); |
| 31 | } |
| 32 | |
| 33 | static inline u16 prom_read_be16(void *buf) |
| 34 | { |
| 35 | u8 *p = buf; |
| 36 | |
| 37 | return (((u16)p[0] << 8) + (u16)p[1]); |
| 38 | } |
| 39 | |
| 40 | static inline u32 prom_read_be32(void *buf) |
| 41 | { |
| 42 | u8 *p = buf; |
| 43 | |
| 44 | return (((u32)p[0] << 24) + ((u32)p[1] << 16) + ((u32)p[2] << 8) + |
| 45 | ((u32)p[3])); |
| 46 | } |
| 47 | |
| 48 | #endif /* _ADM5120_PROM_H_ */ |
| 49 | |
| 50 | |
| 51 | |