diff options
Diffstat (limited to 'drivers/crypto/caam/detect.h')
| -rw-r--r-- | drivers/crypto/caam/detect.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/crypto/caam/detect.h b/drivers/crypto/caam/detect.h new file mode 100644 index 0000000000..f621ce91e9 --- /dev/null +++ b/drivers/crypto/caam/detect.h @@ -0,0 +1,19 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// +#ifndef __CAAM_DETECT_H__ +#define __CAAM_DETECT_H__ + +#include "regs.h" + +static inline int caam_is_64bit(struct caam_ctrl __iomem *ctrl) +{ + return (rd_reg32(&ctrl->perfmon.comp_parms_ms) & CTPR_MS_PS) && + (rd_reg32(&ctrl->mcr) & MCFGR_LONG_PTR); +} + +static inline bool caam_is_big_endian(struct caam_ctrl *ctrl) +{ + return rd_reg32(&ctrl->perfmon.status) & (CSTA_PLEND | CSTA_ALT_PLEND); +} + +#endif |