| /* | |
| * SRAM Memory Management | |
| * | |
| * Copyright (c) 2011 Marvell Semiconductors Inc. | |
| * | |
| * 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 __DMA_MMP_TDMA_H | |
| #define __DMA_MMP_TDMA_H | |
| #include <linux/genalloc.h> | |
| /* ARBITRARY: SRAM allocations are multiples of this 2^N size */ | |
| #define SRAM_GRANULARITY 512 | |
| enum sram_type { | |
| MMP_SRAM_UNDEFINED = 0, | |
| MMP_ASRAM, | |
| MMP_ISRAM, | |
| }; | |
| struct sram_platdata { | |
| char *pool_name; | |
| int granularity; | |
| }; | |
| #ifdef CONFIG_MMP_SRAM | |
| extern struct gen_pool *sram_get_gpool(char *pool_name); | |
| #else | |
| static inline struct gen_pool *sram_get_gpool(char *pool_name) | |
| { | |
| return NULL; | |
| } | |
| #endif | |
| #endif /* __DMA_MMP_TDMA_H */ |