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[v3,3/6] crypto/fsl: support newer SEC modules

Message ID 20200625121905.4475-4-michael@walle.cc
State Superseded
Delegated to: Priyanka Jain
Headers show
Series crypto/fsl: add RNG support | expand

Commit Message

Michael Walle June 25, 2020, 12:19 p.m. UTC 
Since Era 10, the version registers changed. Add the version registers
and use them on newer modules.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
---
 drivers/crypto/fsl/jr.c | 12 ++++++++--
 include/fsl_sec.h       | 51 +++++++++++++++++++++++++++++++++++------
 2 files changed, 54 insertions(+), 9 deletions(-)
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Patch

diff --git a/drivers/crypto/fsl/jr.c b/drivers/crypto/fsl/jr.c
index bbdbcb8e58..5275c50e8b 100644
--- a/drivers/crypto/fsl/jr.c
+++ b/drivers/crypto/fsl/jr.c
@@ -498,9 +498,17 @@  static int instantiate_rng(uint8_t sec_idx)
 static u8 get_rng_vid(uint8_t sec_idx)
 {
 	ccsr_sec_t *sec = (void *)SEC_ADDR(sec_idx);
-	u32 cha_vid = sec_in32(&sec->chavid_ls);
+	u8 vid;
 
-	return (cha_vid & SEC_CHAVID_RNG_LS_MASK) >> SEC_CHAVID_LS_RNG_SHIFT;
+	if (caam_get_era() < 10) {
+		vid = (sec_in32(&sec->chavid_ls) & SEC_CHAVID_RNG_LS_MASK)
+		       >> SEC_CHAVID_LS_RNG_SHIFT;
+	} else {
+		vid = (sec_in32(&sec->vreg.rng) & CHA_VER_VID_MASK)
+		       >> CHA_VER_VID_SHIFT;
+	}
+
+	return vid;
 }
 
 /*
diff --git a/include/fsl_sec.h b/include/fsl_sec.h
index 2ebb75c9b2..8dce0bbb1b 100644
--- a/include/fsl_sec.h
+++ b/include/fsl_sec.h
@@ -73,6 +73,41 @@  struct rng4tst {
 	u32 rsvd2[15];
 };
 
+/* Version registers (Era 10+) */
+struct version_regs {
+	u32 crca;	/* CRCA_VERSION */
+	u32 afha;	/* AFHA_VERSION */
+	u32 kfha;	/* KFHA_VERSION */
+	u32 pkha;	/* PKHA_VERSION */
+	u32 aesa;	/* AESA_VERSION */
+	u32 mdha;	/* MDHA_VERSION */
+	u32 desa;	/* DESA_VERSION */
+	u32 snw8a;	/* SNW8A_VERSION */
+	u32 snw9a;	/* SNW9A_VERSION */
+	u32 zuce;	/* ZUCE_VERSION */
+	u32 zuca;	/* ZUCA_VERSION */
+	u32 ccha;	/* CCHA_VERSION */
+	u32 ptha;	/* PTHA_VERSION */
+	u32 rng;	/* RNG_VERSION */
+	u32 trng;	/* TRNG_VERSION */
+	u32 aaha;	/* AAHA_VERSION */
+	u32 rsvd[10];
+	u32 sr;		/* SR_VERSION */
+	u32 dma;	/* DMA_VERSION */
+	u32 ai;		/* AI_VERSION */
+	u32 qi;		/* QI_VERSION */
+	u32 jr;		/* JR_VERSION */
+	u32 deco;	/* DECO_VERSION */
+};
+
+#define CHA_VER_NUM_MASK	0x000000ff
+#define CHA_VER_MISC_SHIFT	8
+#define CHA_VER_MISC_MASK	0x0000ff00
+#define CHA_VER_REV_SHIFT	16
+#define CHA_VER_REV_MASK	0x00ff0000
+#define CHA_VER_VID_SHIFT	24
+#define CHA_VER_VID_MASK	0xff000000
+
 typedef struct ccsr_sec {
 	u32	res0;
 	u32	mcfgr;		/* Master CFG Register */
@@ -98,17 +133,19 @@  typedef struct ccsr_sec {
 	u32	drr;		/* DECO Reset Register */
 	u8	res5[0x4d8];
 	struct rng4tst rng;	/* RNG Registers */
-	u8	res6[0x8a0];
+	u8	res6[0x780];
+	struct version_regs vreg; /* version registers since era 10 */
+	u8	res7[0xa0];
 	u32	crnr_ms;	/* CHA Revision Number Register, MS */
 	u32	crnr_ls;	/* CHA Revision Number Register, LS */
 	u32	ctpr_ms;	/* Compile Time Parameters Register, MS */
 	u32	ctpr_ls;	/* Compile Time Parameters Register, LS */
-	u8	res7[0x10];
+	u8	res8[0x10];
 	u32	far_ms;		/* Fault Address Register, MS */
 	u32	far_ls;		/* Fault Address Register, LS */
 	u32	falr;		/* Fault Address LIODN Register */
 	u32	fadr;		/* Fault Address Detail Register */
-	u8	res8[0x4];
+	u8	res9[0x4];
 	u32	csta;		/* CAAM Status Register */
 	u32	smpart;		/* Secure Memory Partition Parameters */
 	u32	smvid;		/* Secure Memory Version ID */
@@ -121,16 +158,16 @@  typedef struct ccsr_sec {
 	u32	secvid_ms;	/* SEC Version ID Register, MS */
 	u32	secvid_ls;	/* SEC Version ID Register, LS */
 #if defined(CONFIG_FSL_LSCH2) || defined(CONFIG_FSL_LSCH3)
-	u8	res9[0x6f020];
+	u8	res10[0x6f020];
 #else
-	u8	res9[0x6020];
+	u8	res10[0x6020];
 #endif
 	u32	qilcr_ms;	/* Queue Interface LIODN CFG Register, MS */
 	u32	qilcr_ls;	/* Queue Interface LIODN CFG Register, LS */
 #if defined(CONFIG_FSL_LSCH2) || defined(CONFIG_FSL_LSCH3)
-	u8	res10[0x8ffd8];
+	u8	res11[0x8ffd8];
 #else
-	u8	res10[0x8fd8];
+	u8	res11[0x8fd8];
 #endif
 } ccsr_sec_t;