diff --git a/lib/utils/timer/aclint_mtimer.c b/lib/utils/timer/aclint_mtimer.c
index 3f00c218..1846a9a7 100644
--- a/lib/utils/timer/aclint_mtimer.c
+++ b/lib/utils/timer/aclint_mtimer.c
@@ -149,10 +149,10 @@ int aclint_mtimer_cold_init(struct aclint_mtimer_data *mt,
 	int rc;
 
 	/* Sanity checks */
-	if (!mt || !mt->mtime_size ||
+	if (!mt ||
 	    (mt->hart_count && !mt->mtimecmp_size) ||
-	    (mt->mtime_addr & (ACLINT_MTIMER_ALIGN - 1)) ||
-	    (mt->mtime_size & (ACLINT_MTIMER_ALIGN - 1)) ||
+	    (mt->mtime_size && (mt->mtime_addr & (ACLINT_MTIMER_ALIGN - 1))) ||
+	    (mt->mtime_size && (mt->mtime_size & (ACLINT_MTIMER_ALIGN - 1))) ||
 	    (mt->mtimecmp_addr & (ACLINT_MTIMER_ALIGN - 1)) ||
 	    (mt->mtimecmp_size & (ACLINT_MTIMER_ALIGN - 1)) ||
 	    (mt->first_hartid >= SBI_HARTMASK_MAX_BITS) ||
@@ -178,6 +178,11 @@ int aclint_mtimer_cold_init(struct aclint_mtimer_data *mt,
 	for (i = 0; i < mt->hart_count; i++)
 		mtimer_hartid2data[mt->first_hartid + i] = mt;
 
+	if (!mt->mtime_size) {
+		/* Disable reading mtime when mtime is not available */
+		mtimer.timer_value = NULL;
+	}
+
 	/* Add MTIMER regions to the root domain */
 	if (mt->mtime_addr == (mt->mtimecmp_addr + mt->mtimecmp_size)) {
 		rc = sbi_domain_root_add_memrange(mt->mtimecmp_addr,
diff --git a/lib/utils/timer/fdt_timer_mtimer.c b/lib/utils/timer/fdt_timer_mtimer.c
index 7b8546b0..a0adc70e 100644
--- a/lib/utils/timer/fdt_timer_mtimer.c
+++ b/lib/utils/timer/fdt_timer_mtimer.c
@@ -18,6 +18,7 @@
 struct timer_mtimer_quirks {
 	unsigned int	mtime_offset;
 	bool		has_64bit_mmio;
+	bool		without_mtime;
 };
 
 static unsigned long mtimer_count = 0;
@@ -53,12 +54,16 @@ static int timer_mtimer_cold_init(void *fdt, int nodeoff,
 		/* Set CLINT addresses */
 		mt->mtimecmp_addr = addr[0] + ACLINT_DEFAULT_MTIMECMP_OFFSET;
 		mt->mtimecmp_size = ACLINT_DEFAULT_MTIMECMP_SIZE;
-		mt->mtime_addr = addr[0] + ACLINT_DEFAULT_MTIME_OFFSET;
-		mt->mtime_size = size[0] - mt->mtimecmp_size;
-		/* Adjust MTIMER address and size for CLINT device */
-		mt->mtime_addr += quirks->mtime_offset;
+		if (!quirks->without_mtime) {
+			mt->mtime_addr = addr[0] + ACLINT_DEFAULT_MTIME_OFFSET;
+			mt->mtime_size = size[0] - mt->mtimecmp_size;
+			/* Adjust MTIMER address and size for CLINT device */
+			mt->mtime_addr += quirks->mtime_offset;
+			mt->mtime_size -= quirks->mtime_offset;
+		} else {
+			mt->mtime_addr = mt->mtime_size = 0;
+		}
 		mt->mtimecmp_addr += quirks->mtime_offset;
-		mt->mtime_size -= quirks->mtime_offset;
 		/* Apply additional CLINT quirks */
 		mt->has_64bit_mmio = quirks->has_64bit_mmio;
 	} else { /* RISC-V ACLINT MTIMER */
@@ -70,12 +75,17 @@ static int timer_mtimer_cold_init(void *fdt, int nodeoff,
 	}
 
 	/* Check if MTIMER device has shared MTIME address */
-	mt->has_shared_mtime = false;
-	for (i = 0; i < mtimer_count; i++) {
-		if (mtimer[i].mtime_addr == mt->mtime_addr) {
-			mt->has_shared_mtime = true;
-			break;
+	if (mt->mtime_size) {
+		mt->has_shared_mtime = false;
+		for (i = 0; i < mtimer_count; i++) {
+			if (mtimer[i].mtime_addr == mt->mtime_addr) {
+				mt->has_shared_mtime = true;
+				break;
+			}
 		}
+	} else {
+		/* Assume shared time CSR */
+		mt->has_shared_mtime = true;
 	}
 
 	/* Initialize the MTIMER device */