boards: add EOS S3 Quick Feather board

Add basic port for EOS S3 Quick Feather board.

Signed-off-by: Jan Kowalewski <jkowalewski@antmicro.com>

CODEOWNERS

@@ -98,6 +98,7 @@
 /boards/arm/qemu_cortex_a53/              @carlocaione
 /boards/arm/qemu_cortex_r*/               @stephanosio
 /boards/arm/qemu_cortex_m*/               @ioannisg
+/boards/arm/quick_feather/                @kowalewskijan @kgugala
 /boards/arm/xmc45_relax_kit/              @parthitce
 /boards/arm/sam4e_xpro/                   @nandojve
 /boards/arm/sam4s_xplained/               @fallrisk

boards/arm/quick_feather/CMakeLists.txt

@@ -0,0 +1,6 @@
+# Copyright (c) 2020 Antmicro <www.antmicro.com>
+# SPDX-License-Identifier: Apache-2.0
+
+zephyr_library_include_directories(${ZEPHYR_BASE}/drivers)
+zephyr_library_sources(board.c)
+zephyr_include_directories(.)

boards/arm/quick_feather/Kconfig

@@ -0,0 +1,10 @@
+# Quick Feather board
+
+# Copyright (c) 2020 Antmicro <www.antmicro.com>
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_INIT_PRIORITY
+	int
+	default KERNEL_INIT_PRIORITY_DEFAULT
+	help
+	  Board initialization priority.

boards/arm/quick_feather/Kconfig.board

@@ -0,0 +1,8 @@
+# Quick Feather board
+
+# Copyright (c) 2020 Antmicro <www.antmicro.com>
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_QUICK_FEATHER
+	bool "QuickLogic Quick Feather target"
+	depends on SOC_EOS_S3

boards/arm/quick_feather/Kconfig.defconfig

@@ -0,0 +1,11 @@
+# QuickLogic Quick Feather board
+
+# Copyright (c) 2020 Antmicro <www.antmicro.com>
+# SPDX-License-Identifier: Apache-2.0
+
+if BOARD_QUICK_FEATHER
+
+config BOARD
+	default "quick_feather"
+
+endif # BOARD_QUICK_FEATHER

boards/arm/quick_feather/board.c

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2020 Antmicro <www.antmicro.com>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <init.h>
+#include <soc.h>
+#include <board.h>
+
+static int eos_s3_board_init(const struct device *arg)
+{
+	ARG_UNUSED(arg);
+
+	/* IO MUX setup for UART */
+	eos_s3_io_mux(UART_TX_PAD, UART_TX_PAD_CFG);
+	eos_s3_io_mux(UART_RX_PAD, UART_RX_PAD_CFG);
+
+	IO_MUX->UART_rxd_SEL = UART_RX_SEL;
+
+	return 0;
+}
+
+SYS_INIT(eos_s3_board_init, PRE_KERNEL_1, CONFIG_BOARD_INIT_PRIORITY);

boards/arm/quick_feather/board.h

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2020 Antmicro <www.antmicro.com>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef __INC_BOARD_H
+#define __INC_BOARD_H
+
+#include <soc_pinmap.h>
+
+#define UART_TX_PAD		44
+#define UART_TX_PAD_CFG		UART_TXD_PAD44
+#define UART_RX_PAD		45
+#define UART_RX_PAD_CFG		UART_RXD_PAD45
+
+#define UART_RX_SEL		UART_RXD_SEL_PAD45
+
+#endif /* __INC_BOARD_H */

boards/arm/quick_feather/quick_feather.dts

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2020 Antmicro <www.antmicro.com>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/dts-v1/;
+#include <quicklogic/quicklogic_eos_s3.dtsi>
+
+/ {
+	model = "QuickLogic Quick Feather board";
+	compatible = "quicklogic,eos_s3";
+
+	chosen {
+		zephyr,sram = &sram0;
+		zephyr,console = &uart0;
+		zephyr,shell-uart = &uart0;
+		zephyr,uart-pipe = &uart0;
+	};
+
+};
+
+&cpu0 {
+	clock-frequency = <61440000>;
+};
+
+&uart0 {
+	status = "okay";
+	current-speed = <115200>;
+};

boards/arm/quick_feather/quick_feather.yaml

@@ -0,0 +1,12 @@
+identifier: quick_feather
+name: QuickLogic Quick Feather
+type: mcu
+arch: arm
+toolchain:
+  - zephyr
+  - gnuarmemb
+  - xtools
+testing:
+  ignore_tags:
+    - net
+    - bluetooth

boards/arm/quick_feather/quick_feather_defconfig

@@ -0,0 +1,28 @@
+# Copyright (c) 2020 Antmicro <www.antmicro.com>
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_ARM_MPU=n
+CONFIG_SOC_EOS_S3=y
+CONFIG_BOARD_QUICK_FEATHER=y
+
+# system clock
+CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=61440000
+CONFIG_CORTEX_M_SYSTICK=y
+
+# console
+CONFIG_SERIAL=y
+CONFIG_CONSOLE=y
+CONFIG_PRINTK=y
+CONFIG_UART_CONSOLE=y
+
+# misc
+CONFIG_BOOT_BANNER=y
+
+# EOS S3 Configuartion Manager copies software from external flash to MCU
+# memory using preconfigured DMA and execute it there.
+# Thus we do not use flash directly.
+
+CONFIG_XIP=n
+CONFIG_FLASH=n
+CONFIG_FLASH_SIZE=0
+CONFIG_FLASH_BASE_ADDRESS=0x0