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| author | Stefan Agner <stefan.agner@toradex.com> | 2017-05-19 13:21:57 -0700 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2017-05-22 17:09:55 -0700 |
| commit | 5e0b35c3e05a2ab26a21ba56269a8d8ecb97b6a0 (patch) | |
| tree | 0a734f4003402729efc434d67bdd9ffd58434f6c | |
| parent | 9b8b9edd56a16b1b69f2952b0aa84290f0b9ea39 (diff) | |
rdc: add macros for memory alignment
Add helper macros which allow to align memory for RDC memory
region mappings.
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
| -rw-r--r-- | platform/drivers/inc/rdc.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/platform/drivers/inc/rdc.h b/platform/drivers/inc/rdc.h index 872e39d..1a10975 100644 --- a/platform/drivers/inc/rdc.h +++ b/platform/drivers/inc/rdc.h @@ -36,6 +36,13 @@ #include <assert.h> #include "device_imx.h" +#define __round_mask(x, y) ((typeof(x))((y)-1)) +#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1) +#define round_down(x, y) ((x) & ~__round_mask(x, y)) + +#define RDC_REGION_RES_MMDC 4096 +#define RDC_REGION_RES_OCRAM 128 + /*! * @addtogroup rdc_driver * @{ |