diff options
Diffstat (limited to 'kernel/include/linux/platform_data/dma-mmp_tdma.h')
-rw-r--r-- | kernel/include/linux/platform_data/dma-mmp_tdma.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/kernel/include/linux/platform_data/dma-mmp_tdma.h b/kernel/include/linux/platform_data/dma-mmp_tdma.h new file mode 100644 index 000000000..0c7288603 --- /dev/null +++ b/kernel/include/linux/platform_data/dma-mmp_tdma.h @@ -0,0 +1,40 @@ +/* + * 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_ARM +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 */ |