diff options
Diffstat (limited to 'arch/unicore32/include/asm/memblock.h')
| -rw-r--r-- | arch/unicore32/include/asm/memblock.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/unicore32/include/asm/memblock.h b/arch/unicore32/include/asm/memblock.h new file mode 100644 index 00000000..a8a5d8d0 --- /dev/null +++ b/arch/unicore32/include/asm/memblock.h @@ -0,0 +1,46 @@ +/* + * linux/arch/unicore32/include/asm/memblock.h + * + * Code specific to PKUnity SoC and UniCore ISA + * + * Copyright (C) 2001-2010 GUAN Xue-tao + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __UNICORE_MEMBLOCK_H__ +#define __UNICORE_MEMBLOCK_H__ + +/* + * Memory map description + */ +# define NR_BANKS 8 + +struct membank { + unsigned long start; + unsigned long size; + unsigned int highmem; +}; + +struct meminfo { + int nr_banks; + struct membank bank[NR_BANKS]; +}; + +extern struct meminfo meminfo; + +#define for_each_bank(iter, mi) \ + for (iter = 0; iter < (mi)->nr_banks; iter++) + +#define bank_pfn_start(bank) __phys_to_pfn((bank)->start) +#define bank_pfn_end(bank) __phys_to_pfn((bank)->start + (bank)->size) +#define bank_pfn_size(bank) ((bank)->size >> PAGE_SHIFT) +#define bank_phys_start(bank) ((bank)->start) +#define bank_phys_end(bank) ((bank)->start + (bank)->size) +#define bank_phys_size(bank) ((bank)->size) + +extern void uc32_memblock_init(struct meminfo *); + +#endif |