diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 34ffc35e3a09..066a4d4b62bf 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -378,7 +378,7 @@ static int caam_probe(struct platform_device *pdev)
 #ifdef CONFIG_DEBUG_FS
 	struct caam_perfmon *perfmon;
 #endif
-	u64 cha_vid;
+	u32 cha_vid_ls;
 
 	ctrlpriv = devm_kzalloc(&pdev->dev, sizeof(struct caam_drv_private),
 				GFP_KERNEL);
@@ -456,8 +456,9 @@ static int caam_probe(struct platform_device *pdev)
 		}
 
 	/* Check to see if QI present. If so, enable */
-	ctrlpriv->qi_present = !!(rd_reg64(&topregs->ctrl.perfmon.comp_parms) &
-				  CTPR_QI_MASK);
+	ctrlpriv->qi_present =
+			!!(rd_reg32(&topregs->ctrl.perfmon.comp_parms_ms) &
+			   CTPR_MS_QI_MASK);
 	if (ctrlpriv->qi_present) {
 		ctrlpriv->qi = (struct caam_queue_if __force *)&topregs->qi;
 		/* This is all that's required to physically enable QI */
@@ -471,13 +472,13 @@ static int caam_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
-	cha_vid = rd_reg64(&topregs->ctrl.perfmon.cha_id);
+	cha_vid_ls = rd_reg32(&topregs->ctrl.perfmon.cha_id_ls);
 
 	/*
 	 * If SEC has RNG version >= 4 and RNG state handle has not been
 	 * already instantiated, do RNG instantiation
 	 */
-	if ((cha_vid & CHA_ID_RNG_MASK) >> CHA_ID_RNG_SHIFT >= 4) {
+	if ((cha_vid_ls & CHA_ID_LS_RNG_MASK) >> CHA_ID_LS_RNG_SHIFT >= 4) {
 		ctrlpriv->rng4_sh_init =
 			rd_reg32(&topregs->ctrl.r4tst[0].rdsta);
 		/*
@@ -531,7 +532,8 @@ static int caam_probe(struct platform_device *pdev)
 
 	/* NOTE: RTIC detection ought to go here, around Si time */
 
-	caam_id = rd_reg64(&topregs->ctrl.perfmon.caam_id);
+	caam_id = (u64)rd_reg32(&topregs->ctrl.perfmon.caam_id_ms) << 32 |
+		  (u64)rd_reg32(&topregs->ctrl.perfmon.caam_id_ls);
 
 	/* Report "alive" for developer to see */
 	dev_info(dev, "device ID = 0x%016llx (Era %d)\n", caam_id,
diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h
index cbde8b95a6f8..7bb898d2e699 100644
--- a/drivers/crypto/caam/regs.h
+++ b/drivers/crypto/caam/regs.h
@@ -114,45 +114,45 @@ struct jr_outentry {
  */
 
 /* Number of DECOs */
-#define CHA_NUM_DECONUM_SHIFT	56
-#define CHA_NUM_DECONUM_MASK	(0xfull << CHA_NUM_DECONUM_SHIFT)
+#define CHA_NUM_MS_DECONUM_SHIFT	24
+#define CHA_NUM_MS_DECONUM_MASK	(0xfull << CHA_NUM_MS_DECONUM_SHIFT)
 
 /* CHA Version IDs */
-#define CHA_ID_AES_SHIFT	0
-#define CHA_ID_AES_MASK		(0xfull << CHA_ID_AES_SHIFT)
+#define CHA_ID_LS_AES_SHIFT	0
+#define CHA_ID_LS_AES_MASK		(0xfull << CHA_ID_LS_AES_SHIFT)
 
-#define CHA_ID_DES_SHIFT	4
-#define CHA_ID_DES_MASK		(0xfull << CHA_ID_DES_SHIFT)
+#define CHA_ID_LS_DES_SHIFT	4
+#define CHA_ID_LS_DES_MASK		(0xfull << CHA_ID_LS_DES_SHIFT)
 
-#define CHA_ID_ARC4_SHIFT	8
-#define CHA_ID_ARC4_MASK	(0xfull << CHA_ID_ARC4_SHIFT)
+#define CHA_ID_LS_ARC4_SHIFT	8
+#define CHA_ID_LS_ARC4_MASK	(0xfull << CHA_ID_LS_ARC4_SHIFT)
 
-#define CHA_ID_MD_SHIFT		12
-#define CHA_ID_MD_MASK		(0xfull << CHA_ID_MD_SHIFT)
+#define CHA_ID_LS_MD_SHIFT	12
+#define CHA_ID_LS_MD_MASK	(0xfull << CHA_ID_LS_MD_SHIFT)
 
-#define CHA_ID_RNG_SHIFT	16
-#define CHA_ID_RNG_MASK		(0xfull << CHA_ID_RNG_SHIFT)
+#define CHA_ID_LS_RNG_SHIFT	16
+#define CHA_ID_LS_RNG_MASK	(0xfull << CHA_ID_LS_RNG_SHIFT)
 
-#define CHA_ID_SNW8_SHIFT	20
-#define CHA_ID_SNW8_MASK	(0xfull << CHA_ID_SNW8_SHIFT)
+#define CHA_ID_LS_SNW8_SHIFT	20
+#define CHA_ID_LS_SNW8_MASK	(0xfull << CHA_ID_LS_SNW8_SHIFT)
 
-#define CHA_ID_KAS_SHIFT	24
-#define CHA_ID_KAS_MASK		(0xfull << CHA_ID_KAS_SHIFT)
+#define CHA_ID_LS_KAS_SHIFT	24
+#define CHA_ID_LS_KAS_MASK	(0xfull << CHA_ID_LS_KAS_SHIFT)
 
-#define CHA_ID_PK_SHIFT		28
-#define CHA_ID_PK_MASK		(0xfull << CHA_ID_PK_SHIFT)
+#define CHA_ID_LS_PK_SHIFT	28
+#define CHA_ID_LS_PK_MASK	(0xfull << CHA_ID_LS_PK_SHIFT)
 
-#define CHA_ID_CRC_SHIFT	32
-#define CHA_ID_CRC_MASK		(0xfull << CHA_ID_CRC_SHIFT)
+#define CHA_ID_MS_CRC_SHIFT	0
+#define CHA_ID_MS_CRC_MASK	(0xfull << CHA_ID_MS_CRC_SHIFT)
 
-#define CHA_ID_SNW9_SHIFT	36
-#define CHA_ID_SNW9_MASK	(0xfull << CHA_ID_SNW9_SHIFT)
+#define CHA_ID_MS_SNW9_SHIFT	4
+#define CHA_ID_MS_SNW9_MASK	(0xfull << CHA_ID_MS_SNW9_SHIFT)
 
-#define CHA_ID_DECO_SHIFT	56
-#define CHA_ID_DECO_MASK	(0xfull << CHA_ID_DECO_SHIFT)
+#define CHA_ID_MS_DECO_SHIFT	24
+#define CHA_ID_MS_DECO_MASK	(0xfull << CHA_ID_MS_DECO_SHIFT)
 
-#define CHA_ID_JR_SHIFT		60
-#define CHA_ID_JR_MASK		(0xfull << CHA_ID_JR_SHIFT)
+#define CHA_ID_MS_JR_SHIFT	28
+#define CHA_ID_MS_JR_MASK	(0xfull << CHA_ID_MS_JR_SHIFT)
 
 struct sec_vid {
 	u16 ip_id;
@@ -172,10 +172,12 @@ struct caam_perfmon {
 	u64 rsvd[13];
 
 	/* CAAM Hardware Instantiation Parameters		fa0-fbf */
-	u64 cha_rev;		/* CRNR - CHA Revision Number		*/
-#define CTPR_QI_SHIFT		57
-#define CTPR_QI_MASK		(0x1ull << CTPR_QI_SHIFT)
-	u64 comp_parms;	/* CTPR - Compile Parameters Register	*/
+	u32 cha_rev_ms;		/* CRNR - CHA Rev No. Most significant half*/
+	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)
+	u32 comp_parms_ms;	/* CTPR - Compile Parameters Register	*/
+	u32 comp_parms_ls;	/* CTPR - Compile Parameters Register	*/
 	u64 rsvd1[2];
 
 	/* CAAM Global Status					fc0-fdf */
@@ -189,9 +191,12 @@ struct caam_perfmon {
 	/* Component Instantiation Parameters			fe0-fff */
 	u32 rtic_id;		/* RVID - RTIC Version ID	*/
 	u32 ccb_id;		/* CCBVID - CCB Version ID	*/
-	u64 cha_id;		/* CHAVID - CHA Version ID	*/
-	u64 cha_num;		/* CHANUM - CHA Number		*/
-	u64 caam_id;		/* CAAMVID - CAAM Version ID	*/
+	u32 cha_id_ms;		/* CHAVID - CHA Version ID Most Significant*/
+	u32 cha_id_ls;		/* CHAVID - CHA Version ID Least Significant*/
+	u32 cha_num_ms;		/* CHANUM - CHA Number Most Significant	*/
+	u32 cha_num_ls;		/* CHANUM - CHA Number Least Significant*/
+	u32 caam_id_ms;		/* CAAMVID - CAAM Version ID MS	*/
+	u32 caam_id_ls;		/* CAAMVID - CAAM Version ID LS	*/
 };
 
 /* LIODN programming for DMA configuration */