diff --git a/arch/arm/src/tiva/hardware/tm4c/tm4c_memorymap.h b/arch/arm/src/tiva/hardware/tm4c/tm4c_memorymap.h
index e2a8e006a6c..87432edddf7 100644
--- a/arch/arm/src/tiva/hardware/tm4c/tm4c_memorymap.h
+++ b/arch/arm/src/tiva/hardware/tm4c/tm4c_memorymap.h
@@ -411,7 +411,7 @@
                                                             /* -0xaefff: Reserved */
 #  define TIVA_EEPROM_BASE    (TIVA_PERIPH1_BASE + 0xaf000) /* -0xaffff: EEPROM and Key Locker */
                                                             /* -0xb5fff: Reserved */
-#  define TIVA_1WIRE_BASE     (TIVA_PERIPH1_BASE + 0xb6000) /* -0xb6fff: EEPROM and Key Locker */
+#  define TIVA_1WIRE_BASE     (TIVA_PERIPH1_BASE + 0xb6000) /* -0xb6fff: 1-Wire Master Module */
                                                             /* -0xb7fff: Reserved */
 #  define TIVA_I2C8_BASE      (TIVA_PERIPH1_BASE + 0xb8000) /* -0xb8fff: I2C8 */
 #  define TIVA_I2C9_BASE      (TIVA_PERIPH1_BASE + 0xb9000) /* -0xb9fff: I2C9 */
diff --git a/arch/arm/src/tiva/hardware/tm4c/tm4c_uart.h b/arch/arm/src/tiva/hardware/tm4c/tm4c_uart.h
index 9737992a915..d7357287cf0 100644
--- a/arch/arm/src/tiva/hardware/tm4c/tm4c_uart.h
+++ b/arch/arm/src/tiva/hardware/tm4c/tm4c_uart.h
@@ -637,11 +637,9 @@
 
 /* UART DMA Control (DMACTL) */
 
-#if defined(CONFIG_ARCH_CHIP_TM4C129)
-#  define UART_DMACTL_RXDMAE       (1 << 0)  /* Bit 0:  Receive DMA Enable */
-#  define UART_DMACTL_TXDMAE       (1 << 1)  /* Bit 1:  Transmit DMA Enable */
-#  define UART_DMACTL_DMAERR       (1 << 2)  /* Bit 2:  DMA on Error */
-#endif
+#define UART_DMACTL_RXDMAE         (1 << 0)  /* Bit 0:  Receive DMA Enable */
+#define UART_DMACTL_TXDMAE         (1 << 1)  /* Bit 1:  Transmit DMA Enable */
+#define UART_DMACTL_DMAERR         (1 << 2)  /* Bit 2:  Stop DMA receive if UART error */
 
 /* UART 9-Bit Self Address (9BITADDR) */