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| author |   Andrey Smirnov <andrew.smirnov@gmail.com> | 2019-08-20 13:23:59 -0700 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2019-08-30 18:05:30 +1000 |
| commit | a1cf573ee95d5a15bdd1d33310d179d92b229dd1 (patch) | |
| tree | 96a1ac431cc4109999c499f574b10684b39a7714 /drivers/crypto/caam/regs.h | |
| parent | crypto: caam - don't hardcode inpentry size (diff) | |
| download | linux-dev-a1cf573ee95d5a15bdd1d33310d179d92b229dd1.tar.xz linux-dev-a1cf573ee95d5a15bdd1d33310d179d92b229dd1.zip | |
crypto: caam - select DMA address size at runtime
i.MX8 mScale SoC still use 32-bit addresses in its CAAM implmentation,
so we can't rely on sizeof(dma_addr_t) to detemine CAAM pointer
size. Convert the code to query CTPR and MCFGR for that during driver
probing.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Chris Spencer <christopher.spencer@sea.co.uk>
Cc: Cory Tusar <cory.tusar@zii.aero>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Horia Geantă <horia.geanta@nxp.com>
Cc: Aymen Sghaier <aymen.sghaier@nxp.com>
Cc: Leonard Crestez <leonard.crestez@nxp.com>
Cc: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
| -rw-r--r-- | drivers/crypto/caam/regs.h | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h index 6dbb269a3e7e..05127b70527d 100644 --- a/drivers/crypto/caam/regs.h +++ b/drivers/crypto/caam/regs.h @@ -191,7 +191,8 @@ static inline u64 caam_dma64_to_cpu(u64 value) static inline u64 cpu_to_caam_dma(u64 value) { - if (IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT)) + if (IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT) && + caam_ptr_sz == sizeof(u64)) return cpu_to_caam_dma64(value); else return cpu_to_caam32(value); @@ -199,7 +200,8 @@ static inline u64 cpu_to_caam_dma(u64 value) static inline u64 caam_dma_to_cpu(u64 value) { - if (IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT)) + if (IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT) && + caam_ptr_sz == sizeof(u64)) return caam_dma64_to_cpu(value); else return caam32_to_cpu(value); @@ -213,13 +215,24 @@ static inline u64 caam_dma_to_cpu(u64 value) static inline void jr_outentry_get(void *outring, int hw_idx, dma_addr_t *desc, u32 *jrstatus) { - struct { - dma_addr_t desc;/* Pointer to completed descriptor */ - u32 jrstatus; /* Status for completed descriptor */ - } __packed *outentry = outring; - *desc = outentry[hw_idx].desc; - *jrstatus = outentry[hw_idx].jrstatus; + if (caam_ptr_sz == sizeof(u32)) { + struct { + u32 desc; + u32 jrstatus; + } __packed *outentry = outring; + + *desc = outentry[hw_idx].desc; + *jrstatus = outentry[hw_idx].jrstatus; + } else { + struct { + dma_addr_t desc;/* Pointer to completed descriptor */ + u32 jrstatus; /* Status for completed descriptor */ + } __packed *outentry = outring; + + *desc = outentry[hw_idx].desc; + *jrstatus = outentry[hw_idx].jrstatus; + } } #define SIZEOF_JR_OUTENTRY (caam_ptr_sz + sizeof(u32)) @@ -246,9 +259,15 @@ static inline u32 jr_outentry_jrstatus(void *outring, int hw_idx) static inline void jr_inpentry_set(void *inpring, int hw_idx, dma_addr_t val) { - dma_addr_t *inpentry = inpring; + if (caam_ptr_sz == sizeof(u32)) { + u32 *inpentry = inpring; - inpentry[hw_idx] = val; + inpentry[hw_idx] = val; + } else { + dma_addr_t *inpentry = inpring; + + inpentry[hw_idx] = val; + } } #define SIZEOF_JR_INPENTRY caam_ptr_sz @@ -380,6 +399,7 @@ struct caam_perfmon { u32 cha_rev_ls; /* CRNR - CHA Rev No. Least significant half*/ #define CTPR_MS_QI_SHIFT 25 #define CTPR_MS_QI_MASK (0x1ull << CTPR_MS_QI_SHIFT) +#define CTPR_MS_PS BIT(17) #define CTPR_MS_DPAA2 BIT(13) #define CTPR_MS_VIRT_EN_INCL 0x00000001 #define CTPR_MS_VIRT_EN_POR 0x00000002 |