diff options
Diffstat (limited to 'target/linux/adm5120/files/arch/mips/adm5120/prom/prom_read.h')
-rw-r--r-- | target/linux/adm5120/files/arch/mips/adm5120/prom/prom_read.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/target/linux/adm5120/files/arch/mips/adm5120/prom/prom_read.h b/target/linux/adm5120/files/arch/mips/adm5120/prom/prom_read.h new file mode 100644 index 000000000..06e6863fe --- /dev/null +++ b/target/linux/adm5120/files/arch/mips/adm5120/prom/prom_read.h @@ -0,0 +1,63 @@ +/* + * $Id$ + * + * Generic prom definitions + * + * Copyright (C) 2007 OpenWrt.org + * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef _ADM5120_PROM_H_ +#define _ADM5120_PROM_H_ + +/* + * Helper routines + */ +static inline u16 prom_read_le16(void *buf) +{ + u8 *p = buf; + + return ((u16)p[0] + ((u16)p[1] << 8)); +} + +static inline u32 prom_read_le32(void *buf) +{ + u8 *p = buf; + + return ((u32)p[0] + ((u32)p[1] << 8) + ((u32)p[2] << 16) + + ((u32)p[3] << 24)); +} + +static inline u16 prom_read_be16(void *buf) +{ + u8 *p = buf; + + return (((u16)p[0] << 8) + (u16)p[1]); +} + +static inline u32 prom_read_be32(void *buf) +{ + u8 *p = buf; + + return (((u32)p[0] << 24) + ((u32)p[1] << 16) + ((u32)p[2] << 8) + + ((u32)p[3])); +} + +#endif /* _ADM5120_PROM_H_ */ + + |