diff options
Diffstat (limited to 'drivers/crypto/caam/intern.h')
| -rw-r--r-- | drivers/crypto/caam/intern.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h index 6af84bbc612c..ec25d260fa40 100644 --- a/drivers/crypto/caam/intern.h +++ b/drivers/crypto/caam/intern.h @@ -10,6 +10,8 @@ #ifndef INTERN_H #define INTERN_H +#include "ctrl.h" + /* Currently comes from Kconfig param as a ^2 (driver-required) */ #define JOBR_DEPTH (1 << CONFIG_CRYPTO_DEV_FSL_CAAM_RINGSIZE) @@ -215,4 +217,22 @@ DEFINE_SIMPLE_ATTRIBUTE(caam_fops_u32_ro, caam_debugfs_u32_get, NULL, "%llu\n"); DEFINE_SIMPLE_ATTRIBUTE(caam_fops_u64_ro, caam_debugfs_u64_get, NULL, "%llu\n"); #endif +static inline u64 caam_get_dma_mask(struct device *dev) +{ + struct device_node *nprop = dev->of_node; + + if (sizeof(dma_addr_t) != sizeof(u64)) + return DMA_BIT_MASK(32); + + if (caam_dpaa2) + return DMA_BIT_MASK(49); + + if (of_device_is_compatible(nprop, "fsl,sec-v5.0-job-ring") || + of_device_is_compatible(nprop, "fsl,sec-v5.0")) + return DMA_BIT_MASK(40); + + return DMA_BIT_MASK(36); +} + + #endif /* INTERN_H */ |