boards: iotdk: add mpu and fpu configuration

Wayne Ren · nashif · commit a4cc1f0fdc4c · 2019-05-21T10:17:43.000-04:00
* iotdk supports fpu and mpu
* iotdk supports fast irq
* a fix in device tree

Signed-off-by: Wayne Ren &lt;wei.ren@synopsys.com&gt;
diff --git a/boards/arc/iotdk/iotdk_defconfig b/boards/arc/iotdk/iotdk_defconfig
@@ -12,4 +12,5 @@ CONFIG_ARCV2_TIMER=y
 CONFIG_CONSOLE=y
 CONFIG_UART_CONSOLE=y
 CONFIG_SERIAL=y
-CONFIG_UART_INTERRUPT_DRIVEN=y
+CONFIG_UART_INTERRUPT_DRIVEN=y
+CONFIG_ARC_MPU_ENABLE=y
diff --git a/dts/arc/arc_iot.dtsi b/dts/arc/arc_iot.dtsi
@@ -245,7 +245,7 @@
 			compatible = "snps,designware-spi";
 			#address-cells = <1>;
 			#size-cells = <0>;
-			reg = <0x80010100 0x100>;
+			reg = <0x80010200 0x100>;
 			interrupts = <78 2>, <79 2>, <80 2>;
 			interrupt-names = "err-int", "rx-avail", "tx-req";
 			interrupt-parent = <&intc>;
diff --git a/soc/arc/snps_arc_iot/Kconfig.defconfig b/soc/arc/snps_arc_iot/Kconfig.defconfig
@@ -19,6 +19,9 @@ config NUM_IRQ_PRIO_LEVELS
 	# 0 for Fast Interrupts (FIRQs) and 1-3 for Regular Interrupts (IRQs).
 	default 4
 
+config ARC_MPU_VER
+	default 2
+
 config NUM_IRQS
 	# must be > the highest interrupt number used
 	default 95
@@ -32,6 +35,9 @@ config SYS_CLOCK_HW_CYCLES_PER_SEC
 config HARVARD
 	def_bool y
 
+config ARC_FIRQ
+	default y
+
 if SERIAL
 
 config UART_NS16550
diff --git a/soc/arc/snps_arc_iot/Kconfig.soc b/soc/arc/snps_arc_iot/Kconfig.soc
@@ -7,3 +7,5 @@
 
 config SOC_ARC_IOT
 	bool "Synopsys ARC IoT SoC"
+	select CPU_HAS_MPU
+	select CPU_HAS_FPU
