Merge pull request #2726 from xobs/fomu-circuitpython

ports: litex: add port and fomu board
2020-03-31 13:51:09 -07:00 · 2020-03-31 13:51:09 -07:00 · f47b964c5f
parent cbe9512691 7959544322
commit f47b964c5f
46 changed files with 3202 additions and 57 deletions
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@ -279,3 +279,49 @@ jobs:
        AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
        AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
      if: github.event_name == 'push' || (github.event_name == 'release' && (github.event.action == 'published' || github.event.action == 'rerequested'))
+
+  build-riscv:
+    runs-on: ubuntu-16.04
+    needs: test
+    strategy:
+      fail-fast: false
+      matrix:
+        board:
+        - "fomu"
+
+    steps:
+    - name: Set up Python 3.5
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.5
+    - name: Install deps
+      run: |
+        sudo apt-get install -y gettext
+        pip install requests sh click setuptools awscli
+        wget https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2019.08.0-x86_64-linux-centos6.tar.gz
+        sudo tar -C /usr --strip-components=1 -xaf riscv64-unknown-elf-gcc-8.3.0-2019.08.0-x86_64-linux-centos6.tar.gz
+    - name: Versions
+      run: |
+        gcc --version
+        riscv64-unknown-elf-gcc --version
+        python3 --version
+    - uses: actions/checkout@v1
+      with:
+        submodules: true
+    - name: mpy-cross
+      run: make -C mpy-cross -j2
+    - name: build
+      run: python3 -u build_release_files.py
+      working-directory: tools
+      env:
+        BOARDS: ${{ matrix.board }}
+    - uses: actions/upload-artifact@v1.0.0
+      with:
+        name: ${{ matrix.board }}
+        path: bin/${{ matrix.board }}
+    - name: Upload to S3
+      run: "[ -z \"$AWS_ACCESS_KEY_ID\" ] || aws s3 cp bin/ s3://adafruit-circuit-python/bin/ --recursive --no-progress --region us-east-1"
+      env:
+        AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+        AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+      if: github.event_name == 'push' || (github.event_name == 'release' && (github.event.action == 'published' || github.event.action == 'rerequested'))
--- a/conf.py
+++ b/conf.py
@ -123,6 +123,7 @@ exclude_patterns = ["**/build*",
                    "ports/atmel-samd/tools",
                    "ports/cxd56/mkspk",
                    "ports/cxd56/spresense-exported-sdk",
+                    "ports/litex/hw",
                    "ports/minimal",
                    "ports/mimxrt10xx/peripherals",
                    "ports/mimxrt10xx/sdk",
--- a/ports/litex/Makefile
+++ b/ports/litex/Makefile
@ -0,0 +1,200 @@
+# This file is part of the MicroPython project, http://micropython.org/
+#
+# The MIT License (MIT)
+#
+# Copyright (c) 2019 Scott Shawcroft for Adafruit Industries
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+# Select the board to build for.
+ifeq ($(BOARD),)
+  $(error You must provide a BOARD parameter)
+else
+  ifeq ($(wildcard boards/$(BOARD)/.),)
+    $(error Invalid BOARD specified)
+  endif
+endif
+
+# If the build directory is not given, make it reflect the board name.
+BUILD ?= build-$(BOARD)
+
+include ../../py/mkenv.mk
+# Board-specific
+include boards/$(BOARD)/mpconfigboard.mk
+# Port-specific
+include mpconfigport.mk
+
+# CircuitPython-specific
+include $(TOP)/py/circuitpy_mpconfig.mk
+
+# qstr definitions (must come before including py.mk)
+QSTR_DEFS = qstrdefsport.h
+
+# include py core make definitions
+include $(TOP)/py/py.mk
+
+include $(TOP)/supervisor/supervisor.mk
+
+# Include make rules and variables common across CircuitPython builds.
+include $(TOP)/py/circuitpy_defns.mk
+
+CROSS_COMPILE = riscv64-unknown-elf-
+
+#######################################
+# CFLAGS
+#######################################
+
+INC += -I.
+INC += -I../..
+INC += -I$(BUILD)
+INC += -I$(BUILD)/genhdr
+INC += -I./boards
+INC += -I./boards/$(BOARD)
+INC += -I./peripherals
+INC += -I../../lib/mp-readline
+INC += -I../../lib/tinyusb/src
+INC += -I../../supervisor/shared/usb
+
+
+#Debugging/Optimization
+ifeq ($(DEBUG), 1)
+  CFLAGS += -ggdb
+  # You may want to enable these flags to make setting breakpoints easier.
+  CFLAGS += -fno-inline -fno-ipa-sra
+else
+  CFLAGS += -Os -DNDEBUG -ggdb3
+  # TODO: Test with -flto
+  ### CFLAGS += -flto
+endif
+
+CFLAGS += $(INC) -Werror -Wall -std=gnu11 -nostdlib $(BASE_CFLAGS) $(C_DEFS) $(CFLAGS_MOD) $(COPT)
+
+# TODO: check this
+CFLAGS += -D__START=main -DFOMU
+
+LD_FILE := boards/$(BOARD)/$(BOARD)-spi.ld
+
+LDFLAGS = $(CFLAGS) -fshort-enums -Wl,-nostdlib -Wl,-T,$(LD_FILE) -Wl,-Map=$@.map -Wl,-cref -Wl,-gc-sections -specs=nano.specs -Wl,-melf32lriscv
+LIBS := -lgcc -lc
+
+
+LDFLAGS += -flto -ffreestanding -nostartfiles -Wl,--gc-section -Wl,-Bstatic -Wl,-melf32lriscv -nostartfiles \
+			-Wl,--no-warn-mismatch \
+			-Wl,--build-id=none
+
+# Use toolchain libm if we're not using our own.
+ifndef INTERNAL_LIBM
+LIBS += -lm
+endif
+
+# TinyUSB defines
+CFLAGS += -DCFG_TUSB_MCU=OPT_MCU_VALENTYUSB_EPTRI -DCFG_TUD_CDC_RX_BUFSIZE=1024 -DCFG_TUD_CDC_TX_BUFSIZE=1024 -DCFG_TUD_MSC_BUFSIZE=4096 -DCFG_TUD_MIDI_RX_BUFSIZE=128 -DCFG_TUD_MIDI_TX_BUFSIZE=128
+
+
+######################################
+# source
+######################################
+
+
+SRC_C += \
+	background.c \
+	fatfs_port.c \
+	mphalport.c \
+	tick.c \
+	boards/$(BOARD)/board.c \
+	boards/$(BOARD)/pins.c \
+	lib/libc/string0.c \
+	lib/mp-readline/readline.c \
+	lib/oofatfs/ff.c \
+	lib/oofatfs/option/ccsbcs.c \
+	lib/timeutils/timeutils.c \
+	lib/utils/buffer_helper.c \
+	lib/utils/context_manager_helpers.c \
+	lib/utils/interrupt_char.c \
+	lib/utils/pyexec.c \
+	lib/utils/stdout_helpers.c \
+	lib/utils/sys_stdio_mphal.c \
+	supervisor/shared/memory.c
+
+ifneq ($(USB),FALSE)
+SRC_C += lib/tinyusb/src/portable/valentyusb/eptri/dcd_eptri.c
+endif
+
+SRC_S = \
+	crt0-vexriscv.S
+
+SRC_COMMON_HAL_EXPANDED = $(addprefix shared-bindings/, $(SRC_COMMON_HAL)) \
+                          $(addprefix shared-bindings/, $(SRC_BINDINGS_ENUMS)) \
+                          $(addprefix common-hal/, $(SRC_COMMON_HAL))
+
+SRC_SHARED_MODULE_EXPANDED = $(addprefix shared-bindings/, $(SRC_SHARED_MODULE)) \
+                             $(addprefix shared-module/, $(SRC_SHARED_MODULE)) \
+                             $(addprefix shared-module/, $(SRC_SHARED_MODULE_INTERNAL))
+
+
+ifneq ($(FROZEN_MPY_DIR),)
+FROZEN_MPY_PY_FILES := $(shell find -L $(FROZEN_MPY_DIR) -type f -name '*.py')
+FROZEN_MPY_MPY_FILES := $(addprefix $(BUILD)/,$(FROZEN_MPY_PY_FILES:.py=.mpy))
+endif
+
+OBJ += $(PY_O) $(SUPERVISOR_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
+OBJ += $(addprefix $(BUILD)/, $(SRC_COMMON_HAL_EXPANDED:.c=.o))
+OBJ += $(addprefix $(BUILD)/, $(SRC_SHARED_MODULE_EXPANDED:.c=.o))
+ifeq ($(INTERNAL_LIBM),1)
+OBJ += $(addprefix $(BUILD)/, $(SRC_LIBM:.c=.o))
+endif
+OBJ += $(addprefix $(BUILD)/, $(SRC_S:.S=.o))
+OBJ += $(addprefix $(BUILD)/, $(SRC_MOD:.c=.o))
+
+$(BUILD)/$(FATFS_DIR)/ff.o: COPT += -Os
+$(filter $(PY_BUILD)/../extmod/vfs_fat_%.o, $(PY_O)): COPT += -Os
+
+# List of sources for qstr extraction
+SRC_QSTR += $(SRC_C) $(SRC_SUPERVISOR) $(SRC_MOD) $(SRC_COMMON_HAL_EXPANDED) $(SRC_SHARED_MODULE_EXPANDED)
+# Sources that only hold QSTRs after pre-processing.
+SRC_QSTR_PREPROCESSOR +=
+
+
+all: $(BUILD)/firmware.bin $(BUILD)/firmware.dfu
+
+$(BUILD)/firmware.elf: $(OBJ)
+	$(STEPECHO) "LINK $@"
+	$(Q)$(CC) -o $@ $(LDFLAGS) $^ -Wl,--start-group $(LIBS) -Wl,--end-group
+	$(Q)$(SIZE) $@ | $(PYTHON3) $(TOP)/tools/build_memory_info.py $(LD_FILE)
+
+$(BUILD)/firmware.bin: $(BUILD)/firmware.elf
+	$(STEPECHO) "Create $@"
+	$(Q)$(OBJCOPY) -O binary $^ $@
+#   $(Q)$(OBJCOPY) -O binary -j .vectors -j .text -j .data $^ $@
+
+$(BUILD)/firmware.hex: $(BUILD)/firmware.elf
+	$(STEPECHO) "Create $@"
+	$(Q)$(OBJCOPY) -O ihex $^ $@
+#   $(Q)$(OBJCOPY) -O ihex -j .vectors -j .text -j .data $^ $@
+
+$(BUILD)/firmware.dfu: $(BUILD)/firmware.bin
+	$(ECHO) "Create $@"
+	$(PYTHON3) $(TOP)/tools/dfu.py -b $^ -D 0x1209:0x5bf0 "$(BUILD)/firmware.dfu"
+
+include $(TOP)/py/mkrules.mk
+
+# Print out the value of a make variable.
+# https://stackoverflow.com/questions/16467718/how-to-print-out-a-variable-in-makefile
+print-%:
+	@echo $* = $($*)
--- a/ports/litex/background.c
+++ b/ports/litex/background.c
@ -0,0 +1,60 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "py/runtime.h"
+#include "supervisor/filesystem.h"
+#include "supervisor/usb.h"
+#include "supervisor/shared/stack.h"
+
+#if CIRCUITPY_DISPLAYIO
+#include "shared-module/displayio/__init__.h"
+#endif
+
+static bool running_background_tasks = false;
+
+void background_tasks_reset(void) {
+    running_background_tasks = false;
+}
+
+void run_background_tasks(void) {
+    // Don't call ourselves recursively.
+    if (running_background_tasks) {
+        return;
+    }
+    running_background_tasks = true;
+    filesystem_background();
+
+    #if USB_AVAILABLE
+    usb_background();
+    #endif
+
+    #if CIRCUITPY_DISPLAYIO
+    displayio_background();
+    #endif
+    running_background_tasks = false;
+
+    assert_heap_ok();
+}
--- a/ports/litex/background.h
+++ b/ports/litex/background.h
@ -0,0 +1,35 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Dan Halbert for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_LITEX_BACKGROUND_H
+#define MICROPY_INCLUDED_LITEX_BACKGROUND_H
+
+#include <stdbool.h>
+
+void background_tasks_reset(void);
+void run_background_tasks(void);
+
+#endif  // MICROPY_INCLUDED_LITEX_BACKGROUND_H
--- a/ports/litex/boards/board.h
+++ b/ports/litex/boards/board.h
@ -0,0 +1,45 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+// This file defines board specific functions.
+
+#ifndef MICROPY_INCLUDED_LITEX_BOARDS_BOARD_H
+#define MICROPY_INCLUDED_LITEX_BOARDS_BOARD_H
+
+#include <stdbool.h>
+
+// Initializes board related state once on start up.
+void board_init(void);
+
+// Returns true if the user initiates safe mode in a board specific way.
+// Also add BOARD_USER_SAFE_MODE in mpconfigboard.h to explain the board specific
+// way.
+bool board_requests_safe_mode(void);
+
+// Reset the state of off MCU components such as neopixels.
+void reset_board(void);
+
+#endif  // MICROPY_INCLUDED_LITEX_BOARDS_BOARD_H
--- a/ports/litex/boards/fomu/board.c
+++ b/ports/litex/boards/fomu/board.c
@ -0,0 +1,75 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "boards/board.h"
+#include "mpconfigboard.h"
+#include "csr.h"
+
+// ICE40 LED Driver hard macro.
+// See http://www.latticesemi.com/-/media/LatticeSemi/Documents/ApplicationNotes/IK/ICE40LEDDriverUsageGuide.ashx?document_id=50668
+enum led_registers {
+    LEDDCR0 = 8,
+    LEDDBR = 9,
+    LEDDONR = 10,
+    LEDDOFR = 11,
+    LEDDBCRR = 5,
+    LEDDBCFR = 6,
+    LEDDPWRR = 1,
+    LEDDPWRG = 2,
+    LEDDPWRB = 3,
+};
+
+#define BREATHE_ENABLE (1 << 7)
+#define BREATHE_EDGE_ON (0 << 6)
+#define BREATHE_EDGE_BOTH (1 << 6)
+#define BREATHE_MODE_MODULATE (1 << 5)
+#define BREATHE_RATE(x) ((x & 7) << 0)
+
+// Write a value into the LEDDA_IP register.
+static void ledda_write(uint8_t value, uint8_t addr) {
+    rgb_addr_write(addr);
+    rgb_dat_write(value);
+}
+
+void board_init(void) {
+    uint8_t onrate = 15;
+    uint8_t offrate = 1;
+
+    ledda_write(BREATHE_ENABLE | BREATHE_MODE_MODULATE | BREATHE_RATE(onrate), LEDDBCRR);
+    ledda_write(BREATHE_ENABLE | BREATHE_MODE_MODULATE | BREATHE_RATE(offrate), LEDDBCFR);
+
+    ledda_write(123, LEDDPWRR); // Red
+    ledda_write(3, LEDDPWRG);   // Green
+    ledda_write(98, LEDDPWRB);  // Blue
+}
+
+bool board_requests_safe_mode(void) {
+    return false;
+}
+
+void reset_board(void) {
+
+}
--- a/ports/litex/boards/fomu/csr.h
+++ b/ports/litex/boards/fomu/csr.h
@ -0,0 +1,647 @@
+//--------------------------------------------------------------------------------
+// Auto-generated by Migen (f4fcd10) & LiteX (de205d4a) on 2019-11-25 14:57:34
+//--------------------------------------------------------------------------------
+#include <generated/soc.h>
+#ifndef __GENERATED_CSR_H
+#define __GENERATED_CSR_H
+#include <stdint.h>
+#ifdef CSR_ACCESSORS_DEFINED
+extern void csr_writeb(uint8_t value, unsigned long addr);
+extern uint8_t csr_readb(unsigned long addr);
+extern void csr_writew(uint16_t value, unsigned long addr);
+extern uint16_t csr_readw(unsigned long addr);
+extern void csr_writel(uint32_t value, unsigned long addr);
+extern uint32_t csr_readl(unsigned long addr);
+#else /* ! CSR_ACCESSORS_DEFINED */
+#include <hw/common.h>
+#endif /* ! CSR_ACCESSORS_DEFINED */
+
+/* ctrl */
+#define CSR_CTRL_BASE 0xe0000000L
+#define CSR_CTRL_RESET_ADDR 0xe0000000L
+#define CSR_CTRL_RESET_SIZE 1
+static inline unsigned char ctrl_reset_read(void) {
+	unsigned char r = csr_readl(0xe0000000L);
+	return r;
+}
+static inline void ctrl_reset_write(unsigned char value) {
+	csr_writel(value, 0xe0000000L);
+}
+#define CSR_CTRL_SCRATCH_ADDR 0xe0000004L
+#define CSR_CTRL_SCRATCH_SIZE 4
+static inline unsigned int ctrl_scratch_read(void) {
+	unsigned int r = csr_readl(0xe0000004L);
+	r <<= 8;
+	r |= csr_readl(0xe0000008L);
+	r <<= 8;
+	r |= csr_readl(0xe000000cL);
+	r <<= 8;
+	r |= csr_readl(0xe0000010L);
+	return r;
+}
+static inline void ctrl_scratch_write(unsigned int value) {
+	csr_writel(value >> 24, 0xe0000004L);
+	csr_writel(value >> 16, 0xe0000008L);
+	csr_writel(value >> 8, 0xe000000cL);
+	csr_writel(value, 0xe0000010L);
+}
+#define CSR_CTRL_BUS_ERRORS_ADDR 0xe0000014L
+#define CSR_CTRL_BUS_ERRORS_SIZE 4
+static inline unsigned int ctrl_bus_errors_read(void) {
+	unsigned int r = csr_readl(0xe0000014L);
+	r <<= 8;
+	r |= csr_readl(0xe0000018L);
+	r <<= 8;
+	r |= csr_readl(0xe000001cL);
+	r <<= 8;
+	r |= csr_readl(0xe0000020L);
+	return r;
+}
+
+/* lxspi */
+#define CSR_LXSPI_BASE 0xe0007800L
+#define CSR_LXSPI_BITBANG_ADDR 0xe0007800L
+#define CSR_LXSPI_BITBANG_SIZE 1
+static inline unsigned char lxspi_bitbang_read(void) {
+	unsigned char r = csr_readl(0xe0007800L);
+	return r;
+}
+static inline void lxspi_bitbang_write(unsigned char value) {
+	csr_writel(value, 0xe0007800L);
+}
+#define CSR_LXSPI_BITBANG_MOSI_OFFSET 0
+#define CSR_LXSPI_BITBANG_MOSI_SIZE 1
+#define CSR_LXSPI_BITBANG_CLK_OFFSET 1
+#define CSR_LXSPI_BITBANG_CLK_SIZE 1
+#define CSR_LXSPI_BITBANG_CS_N_OFFSET 2
+#define CSR_LXSPI_BITBANG_CS_N_SIZE 1
+#define CSR_LXSPI_BITBANG_DIR_OFFSET 3
+#define CSR_LXSPI_BITBANG_DIR_SIZE 1
+#define CSR_LXSPI_MISO_ADDR 0xe0007804L
+#define CSR_LXSPI_MISO_SIZE 1
+static inline unsigned char lxspi_miso_read(void) {
+	unsigned char r = csr_readl(0xe0007804L);
+	return r;
+}
+#define CSR_LXSPI_BITBANG_EN_ADDR 0xe0007808L
+#define CSR_LXSPI_BITBANG_EN_SIZE 1
+static inline unsigned char lxspi_bitbang_en_read(void) {
+	unsigned char r = csr_readl(0xe0007808L);
+	return r;
+}
+static inline void lxspi_bitbang_en_write(unsigned char value) {
+	csr_writel(value, 0xe0007808L);
+}
+
+/* messible */
+#define CSR_MESSIBLE_BASE 0xe0008000L
+#define CSR_MESSIBLE_IN_ADDR 0xe0008000L
+#define CSR_MESSIBLE_IN_SIZE 1
+static inline unsigned char messible_in_read(void) {
+	unsigned char r = csr_readl(0xe0008000L);
+	return r;
+}
+static inline void messible_in_write(unsigned char value) {
+	csr_writel(value, 0xe0008000L);
+}
+#define CSR_MESSIBLE_OUT_ADDR 0xe0008004L
+#define CSR_MESSIBLE_OUT_SIZE 1
+static inline unsigned char messible_out_read(void) {
+	unsigned char r = csr_readl(0xe0008004L);
+	return r;
+}
+#define CSR_MESSIBLE_STATUS_ADDR 0xe0008008L
+#define CSR_MESSIBLE_STATUS_SIZE 1
+static inline unsigned char messible_status_read(void) {
+	unsigned char r = csr_readl(0xe0008008L);
+	return r;
+}
+#define CSR_MESSIBLE_STATUS_FULL_OFFSET 0
+#define CSR_MESSIBLE_STATUS_FULL_SIZE 1
+#define CSR_MESSIBLE_STATUS_HAVE_OFFSET 1
+#define CSR_MESSIBLE_STATUS_HAVE_SIZE 1
+
+/* reboot */
+#define CSR_REBOOT_BASE 0xe0006000L
+#define CSR_REBOOT_CTRL_ADDR 0xe0006000L
+#define CSR_REBOOT_CTRL_SIZE 1
+static inline unsigned char reboot_ctrl_read(void) {
+	unsigned char r = csr_readl(0xe0006000L);
+	return r;
+}
+static inline void reboot_ctrl_write(unsigned char value) {
+	csr_writel(value, 0xe0006000L);
+}
+#define CSR_REBOOT_CTRL_IMAGE_OFFSET 0
+#define CSR_REBOOT_CTRL_IMAGE_SIZE 2
+#define CSR_REBOOT_CTRL_KEY_OFFSET 2
+#define CSR_REBOOT_CTRL_KEY_SIZE 6
+#define CSR_REBOOT_ADDR_ADDR 0xe0006004L
+#define CSR_REBOOT_ADDR_SIZE 4
+static inline unsigned int reboot_addr_read(void) {
+	unsigned int r = csr_readl(0xe0006004L);
+	r <<= 8;
+	r |= csr_readl(0xe0006008L);
+	r <<= 8;
+	r |= csr_readl(0xe000600cL);
+	r <<= 8;
+	r |= csr_readl(0xe0006010L);
+	return r;
+}
+static inline void reboot_addr_write(unsigned int value) {
+	csr_writel(value >> 24, 0xe0006004L);
+	csr_writel(value >> 16, 0xe0006008L);
+	csr_writel(value >> 8, 0xe000600cL);
+	csr_writel(value, 0xe0006010L);
+}
+
+/* rgb */
+#define CSR_RGB_BASE 0xe0006800L
+#define CSR_RGB_DAT_ADDR 0xe0006800L
+#define CSR_RGB_DAT_SIZE 1
+static inline unsigned char rgb_dat_read(void) {
+	unsigned char r = csr_readl(0xe0006800L);
+	return r;
+}
+static inline void rgb_dat_write(unsigned char value) {
+	csr_writel(value, 0xe0006800L);
+}
+#define CSR_RGB_ADDR_ADDR 0xe0006804L
+#define CSR_RGB_ADDR_SIZE 1
+static inline unsigned char rgb_addr_read(void) {
+	unsigned char r = csr_readl(0xe0006804L);
+	return r;
+}
+static inline void rgb_addr_write(unsigned char value) {
+	csr_writel(value, 0xe0006804L);
+}
+#define CSR_RGB_CTRL_ADDR 0xe0006808L
+#define CSR_RGB_CTRL_SIZE 1
+static inline unsigned char rgb_ctrl_read(void) {
+	unsigned char r = csr_readl(0xe0006808L);
+	return r;
+}
+static inline void rgb_ctrl_write(unsigned char value) {
+	csr_writel(value, 0xe0006808L);
+}
+#define CSR_RGB_CTRL_EXE_OFFSET 0
+#define CSR_RGB_CTRL_EXE_SIZE 1
+#define CSR_RGB_CTRL_CURREN_OFFSET 1
+#define CSR_RGB_CTRL_CURREN_SIZE 1
+#define CSR_RGB_CTRL_RGBLEDEN_OFFSET 2
+#define CSR_RGB_CTRL_RGBLEDEN_SIZE 1
+#define CSR_RGB_CTRL_RRAW_OFFSET 3
+#define CSR_RGB_CTRL_RRAW_SIZE 1
+#define CSR_RGB_CTRL_GRAW_OFFSET 4
+#define CSR_RGB_CTRL_GRAW_SIZE 1
+#define CSR_RGB_CTRL_BRAW_OFFSET 5
+#define CSR_RGB_CTRL_BRAW_SIZE 1
+#define CSR_RGB_RAW_ADDR 0xe000680cL
+#define CSR_RGB_RAW_SIZE 1
+static inline unsigned char rgb_raw_read(void) {
+	unsigned char r = csr_readl(0xe000680cL);
+	return r;
+}
+static inline void rgb_raw_write(unsigned char value) {
+	csr_writel(value, 0xe000680cL);
+}
+#define CSR_RGB_RAW_R_OFFSET 0
+#define CSR_RGB_RAW_R_SIZE 1
+#define CSR_RGB_RAW_G_OFFSET 1
+#define CSR_RGB_RAW_G_SIZE 1
+#define CSR_RGB_RAW_B_OFFSET 2
+#define CSR_RGB_RAW_B_SIZE 1
+
+/* timer0 */
+#define CSR_TIMER0_BASE 0xe0002800L
+#define CSR_TIMER0_LOAD_ADDR 0xe0002800L
+#define CSR_TIMER0_LOAD_SIZE 4
+static inline unsigned int timer0_load_read(void) {
+	unsigned int r = csr_readl(0xe0002800L);
+	r <<= 8;
+	r |= csr_readl(0xe0002804L);
+	r <<= 8;
+	r |= csr_readl(0xe0002808L);
+	r <<= 8;
+	r |= csr_readl(0xe000280cL);
+	return r;
+}
+static inline void timer0_load_write(unsigned int value) {
+	csr_writel(value >> 24, 0xe0002800L);
+	csr_writel(value >> 16, 0xe0002804L);
+	csr_writel(value >> 8, 0xe0002808L);
+	csr_writel(value, 0xe000280cL);
+}
+#define CSR_TIMER0_RELOAD_ADDR 0xe0002810L
+#define CSR_TIMER0_RELOAD_SIZE 4
+static inline unsigned int timer0_reload_read(void) {
+	unsigned int r = csr_readl(0xe0002810L);
+	r <<= 8;
+	r |= csr_readl(0xe0002814L);
+	r <<= 8;
+	r |= csr_readl(0xe0002818L);
+	r <<= 8;
+	r |= csr_readl(0xe000281cL);
+	return r;
+}
+static inline void timer0_reload_write(unsigned int value) {
+	csr_writel(value >> 24, 0xe0002810L);
+	csr_writel(value >> 16, 0xe0002814L);
+	csr_writel(value >> 8, 0xe0002818L);
+	csr_writel(value, 0xe000281cL);
+}
+#define CSR_TIMER0_EN_ADDR 0xe0002820L
+#define CSR_TIMER0_EN_SIZE 1
+static inline unsigned char timer0_en_read(void) {
+	unsigned char r = csr_readl(0xe0002820L);
+	return r;
+}
+static inline void timer0_en_write(unsigned char value) {
+	csr_writel(value, 0xe0002820L);
+}
+#define CSR_TIMER0_UPDATE_VALUE_ADDR 0xe0002824L
+#define CSR_TIMER0_UPDATE_VALUE_SIZE 1
+static inline unsigned char timer0_update_value_read(void) {
+	unsigned char r = csr_readl(0xe0002824L);
+	return r;
+}
+static inline void timer0_update_value_write(unsigned char value) {
+	csr_writel(value, 0xe0002824L);
+}
+#define CSR_TIMER0_VALUE_ADDR 0xe0002828L
+#define CSR_TIMER0_VALUE_SIZE 4
+static inline unsigned int timer0_value_read(void) {
+	unsigned int r = csr_readl(0xe0002828L);
+	r <<= 8;
+	r |= csr_readl(0xe000282cL);
+	r <<= 8;
+	r |= csr_readl(0xe0002830L);
+	r <<= 8;
+	r |= csr_readl(0xe0002834L);
+	return r;
+}
+#define CSR_TIMER0_EV_STATUS_ADDR 0xe0002838L
+#define CSR_TIMER0_EV_STATUS_SIZE 1
+static inline unsigned char timer0_ev_status_read(void) {
+	unsigned char r = csr_readl(0xe0002838L);
+	return r;
+}
+static inline void timer0_ev_status_write(unsigned char value) {
+	csr_writel(value, 0xe0002838L);
+}
+#define CSR_TIMER0_EV_PENDING_ADDR 0xe000283cL
+#define CSR_TIMER0_EV_PENDING_SIZE 1
+static inline unsigned char timer0_ev_pending_read(void) {
+	unsigned char r = csr_readl(0xe000283cL);
+	return r;
+}
+static inline void timer0_ev_pending_write(unsigned char value) {
+	csr_writel(value, 0xe000283cL);
+}
+#define CSR_TIMER0_EV_ENABLE_ADDR 0xe0002840L
+#define CSR_TIMER0_EV_ENABLE_SIZE 1
+static inline unsigned char timer0_ev_enable_read(void) {
+	unsigned char r = csr_readl(0xe0002840L);
+	return r;
+}
+static inline void timer0_ev_enable_write(unsigned char value) {
+	csr_writel(value, 0xe0002840L);
+}
+
+/* touch */
+#define CSR_TOUCH_BASE 0xe0005800L
+#define CSR_TOUCH_O_ADDR 0xe0005800L
+#define CSR_TOUCH_O_SIZE 1
+static inline unsigned char touch_o_read(void) {
+	unsigned char r = csr_readl(0xe0005800L);
+	return r;
+}
+static inline void touch_o_write(unsigned char value) {
+	csr_writel(value, 0xe0005800L);
+}
+#define CSR_TOUCH_OE_ADDR 0xe0005804L
+#define CSR_TOUCH_OE_SIZE 1
+static inline unsigned char touch_oe_read(void) {
+	unsigned char r = csr_readl(0xe0005804L);
+	return r;
+}
+static inline void touch_oe_write(unsigned char value) {
+	csr_writel(value, 0xe0005804L);
+}
+#define CSR_TOUCH_I_ADDR 0xe0005808L
+#define CSR_TOUCH_I_SIZE 1
+static inline unsigned char touch_i_read(void) {
+	unsigned char r = csr_readl(0xe0005808L);
+	return r;
+}
+
+/* usb */
+#define CSR_USB_BASE 0xe0004800L
+#define CSR_USB_PULLUP_OUT_ADDR 0xe0004800L
+#define CSR_USB_PULLUP_OUT_SIZE 1
+static inline unsigned char usb_pullup_out_read(void) {
+	unsigned char r = csr_readl(0xe0004800L);
+	return r;
+}
+static inline void usb_pullup_out_write(unsigned char value) {
+	csr_writel(value, 0xe0004800L);
+}
+#define CSR_USB_ADDRESS_ADDR 0xe0004804L
+#define CSR_USB_ADDRESS_SIZE 1
+static inline unsigned char usb_address_read(void) {
+	unsigned char r = csr_readl(0xe0004804L);
+	return r;
+}
+static inline void usb_address_write(unsigned char value) {
+	csr_writel(value, 0xe0004804L);
+}
+#define CSR_USB_ADDRESS_ADDR_OFFSET 0
+#define CSR_USB_ADDRESS_ADDR_SIZE 7
+#define CSR_USB_NEXT_EV_ADDR 0xe0004808L
+#define CSR_USB_NEXT_EV_SIZE 1
+static inline unsigned char usb_next_ev_read(void) {
+	unsigned char r = csr_readl(0xe0004808L);
+	return r;
+}
+#define CSR_USB_NEXT_EV_IN_OFFSET 0
+#define CSR_USB_NEXT_EV_IN_SIZE 1
+#define CSR_USB_NEXT_EV_OUT_OFFSET 1
+#define CSR_USB_NEXT_EV_OUT_SIZE 1
+#define CSR_USB_NEXT_EV_SETUP_OFFSET 2
+#define CSR_USB_NEXT_EV_SETUP_SIZE 1
+#define CSR_USB_NEXT_EV_RESET_OFFSET 3
+#define CSR_USB_NEXT_EV_RESET_SIZE 1
+#define CSR_USB_SETUP_DATA_ADDR 0xe000480cL
+#define CSR_USB_SETUP_DATA_SIZE 1
+static inline unsigned char usb_setup_data_read(void) {
+	unsigned char r = csr_readl(0xe000480cL);
+	return r;
+}
+#define CSR_USB_SETUP_DATA_DATA_OFFSET 0
+#define CSR_USB_SETUP_DATA_DATA_SIZE 8
+#define CSR_USB_SETUP_CTRL_ADDR 0xe0004810L
+#define CSR_USB_SETUP_CTRL_SIZE 1
+static inline unsigned char usb_setup_ctrl_read(void) {
+	unsigned char r = csr_readl(0xe0004810L);
+	return r;
+}
+static inline void usb_setup_ctrl_write(unsigned char value) {
+	csr_writel(value, 0xe0004810L);
+}
+#define CSR_USB_SETUP_CTRL_RESET_OFFSET 5
+#define CSR_USB_SETUP_CTRL_RESET_SIZE 1
+#define CSR_USB_SETUP_STATUS_ADDR 0xe0004814L
+#define CSR_USB_SETUP_STATUS_SIZE 1
+static inline unsigned char usb_setup_status_read(void) {
+	unsigned char r = csr_readl(0xe0004814L);
+	return r;
+}
+#define CSR_USB_SETUP_STATUS_EPNO_OFFSET 0
+#define CSR_USB_SETUP_STATUS_EPNO_SIZE 4
+#define CSR_USB_SETUP_STATUS_HAVE_OFFSET 4
+#define CSR_USB_SETUP_STATUS_HAVE_SIZE 1
+#define CSR_USB_SETUP_STATUS_PEND_OFFSET 5
+#define CSR_USB_SETUP_STATUS_PEND_SIZE 1
+#define CSR_USB_SETUP_STATUS_IS_IN_OFFSET 6
+#define CSR_USB_SETUP_STATUS_IS_IN_SIZE 1
+#define CSR_USB_SETUP_STATUS_DATA_OFFSET 7
+#define CSR_USB_SETUP_STATUS_DATA_SIZE 1
+#define CSR_USB_SETUP_EV_STATUS_ADDR 0xe0004818L
+#define CSR_USB_SETUP_EV_STATUS_SIZE 1
+static inline unsigned char usb_setup_ev_status_read(void) {
+	unsigned char r = csr_readl(0xe0004818L);
+	return r;
+}
+static inline void usb_setup_ev_status_write(unsigned char value) {
+	csr_writel(value, 0xe0004818L);
+}
+#define CSR_USB_SETUP_EV_PENDING_ADDR 0xe000481cL
+#define CSR_USB_SETUP_EV_PENDING_SIZE 1
+static inline unsigned char usb_setup_ev_pending_read(void) {
+	unsigned char r = csr_readl(0xe000481cL);
+	return r;
+}
+static inline void usb_setup_ev_pending_write(unsigned char value) {
+	csr_writel(value, 0xe000481cL);
+}
+#define CSR_USB_SETUP_EV_ENABLE_ADDR 0xe0004820L
+#define CSR_USB_SETUP_EV_ENABLE_SIZE 1
+static inline unsigned char usb_setup_ev_enable_read(void) {
+	unsigned char r = csr_readl(0xe0004820L);
+	return r;
+}
+static inline void usb_setup_ev_enable_write(unsigned char value) {
+	csr_writel(value, 0xe0004820L);
+}
+#define CSR_USB_IN_DATA_ADDR 0xe0004824L
+#define CSR_USB_IN_DATA_SIZE 1
+static inline unsigned char usb_in_data_read(void) {
+	unsigned char r = csr_readl(0xe0004824L);
+	return r;
+}
+static inline void usb_in_data_write(unsigned char value) {
+	csr_writel(value, 0xe0004824L);
+}
+#define CSR_USB_IN_DATA_DATA_OFFSET 0
+#define CSR_USB_IN_DATA_DATA_SIZE 8
+#define CSR_USB_IN_CTRL_ADDR 0xe0004828L
+#define CSR_USB_IN_CTRL_SIZE 1
+static inline unsigned char usb_in_ctrl_read(void) {
+	unsigned char r = csr_readl(0xe0004828L);
+	return r;
+}
+static inline void usb_in_ctrl_write(unsigned char value) {
+	csr_writel(value, 0xe0004828L);
+}
+#define CSR_USB_IN_CTRL_EPNO_OFFSET 0
+#define CSR_USB_IN_CTRL_EPNO_SIZE 4
+#define CSR_USB_IN_CTRL_RESET_OFFSET 5
+#define CSR_USB_IN_CTRL_RESET_SIZE 1
+#define CSR_USB_IN_CTRL_STALL_OFFSET 6
+#define CSR_USB_IN_CTRL_STALL_SIZE 1
+#define CSR_USB_IN_STATUS_ADDR 0xe000482cL
+#define CSR_USB_IN_STATUS_SIZE 1
+static inline unsigned char usb_in_status_read(void) {
+	unsigned char r = csr_readl(0xe000482cL);
+	return r;
+}
+#define CSR_USB_IN_STATUS_IDLE_OFFSET 0
+#define CSR_USB_IN_STATUS_IDLE_SIZE 1
+#define CSR_USB_IN_STATUS_HAVE_OFFSET 4
+#define CSR_USB_IN_STATUS_HAVE_SIZE 1
+#define CSR_USB_IN_STATUS_PEND_OFFSET 5
+#define CSR_USB_IN_STATUS_PEND_SIZE 1
+#define CSR_USB_IN_EV_STATUS_ADDR 0xe0004830L
+#define CSR_USB_IN_EV_STATUS_SIZE 1
+static inline unsigned char usb_in_ev_status_read(void) {
+	unsigned char r = csr_readl(0xe0004830L);
+	return r;
+}
+static inline void usb_in_ev_status_write(unsigned char value) {
+	csr_writel(value, 0xe0004830L);
+}
+#define CSR_USB_IN_EV_PENDING_ADDR 0xe0004834L
+#define CSR_USB_IN_EV_PENDING_SIZE 1
+static inline unsigned char usb_in_ev_pending_read(void) {
+	unsigned char r = csr_readl(0xe0004834L);
+	return r;
+}
+static inline void usb_in_ev_pending_write(unsigned char value) {
+	csr_writel(value, 0xe0004834L);
+}
+#define CSR_USB_IN_EV_ENABLE_ADDR 0xe0004838L
+#define CSR_USB_IN_EV_ENABLE_SIZE 1
+static inline unsigned char usb_in_ev_enable_read(void) {
+	unsigned char r = csr_readl(0xe0004838L);
+	return r;
+}
+static inline void usb_in_ev_enable_write(unsigned char value) {
+	csr_writel(value, 0xe0004838L);
+}
+#define CSR_USB_OUT_DATA_ADDR 0xe000483cL
+#define CSR_USB_OUT_DATA_SIZE 1
+static inline unsigned char usb_out_data_read(void) {
+	unsigned char r = csr_readl(0xe000483cL);
+	return r;
+}
+#define CSR_USB_OUT_DATA_DATA_OFFSET 0
+#define CSR_USB_OUT_DATA_DATA_SIZE 8
+#define CSR_USB_OUT_CTRL_ADDR 0xe0004840L
+#define CSR_USB_OUT_CTRL_SIZE 1
+static inline unsigned char usb_out_ctrl_read(void) {
+	unsigned char r = csr_readl(0xe0004840L);
+	return r;
+}
+static inline void usb_out_ctrl_write(unsigned char value) {
+	csr_writel(value, 0xe0004840L);
+}
+#define CSR_USB_OUT_CTRL_EPNO_OFFSET 0
+#define CSR_USB_OUT_CTRL_EPNO_SIZE 4
+#define CSR_USB_OUT_CTRL_ENABLE_OFFSET 4
+#define CSR_USB_OUT_CTRL_ENABLE_SIZE 1
+#define CSR_USB_OUT_CTRL_RESET_OFFSET 5
+#define CSR_USB_OUT_CTRL_RESET_SIZE 1
+#define CSR_USB_OUT_CTRL_STALL_OFFSET 6
+#define CSR_USB_OUT_CTRL_STALL_SIZE 1
+#define CSR_USB_OUT_STATUS_ADDR 0xe0004844L
+#define CSR_USB_OUT_STATUS_SIZE 1
+static inline unsigned char usb_out_status_read(void) {
+	unsigned char r = csr_readl(0xe0004844L);
+	return r;
+}
+#define CSR_USB_OUT_STATUS_EPNO_OFFSET 0
+#define CSR_USB_OUT_STATUS_EPNO_SIZE 4
+#define CSR_USB_OUT_STATUS_HAVE_OFFSET 4
+#define CSR_USB_OUT_STATUS_HAVE_SIZE 1
+#define CSR_USB_OUT_STATUS_PEND_OFFSET 5
+#define CSR_USB_OUT_STATUS_PEND_SIZE 1
+#define CSR_USB_OUT_EV_STATUS_ADDR 0xe0004848L
+#define CSR_USB_OUT_EV_STATUS_SIZE 1
+static inline unsigned char usb_out_ev_status_read(void) {
+	unsigned char r = csr_readl(0xe0004848L);
+	return r;
+}
+static inline void usb_out_ev_status_write(unsigned char value) {
+	csr_writel(value, 0xe0004848L);
+}
+#define CSR_USB_OUT_EV_PENDING_ADDR 0xe000484cL
+#define CSR_USB_OUT_EV_PENDING_SIZE 1
+static inline unsigned char usb_out_ev_pending_read(void) {
+	unsigned char r = csr_readl(0xe000484cL);
+	return r;
+}
+static inline void usb_out_ev_pending_write(unsigned char value) {
+	csr_writel(value, 0xe000484cL);
+}
+#define CSR_USB_OUT_EV_ENABLE_ADDR 0xe0004850L
+#define CSR_USB_OUT_EV_ENABLE_SIZE 1
+static inline unsigned char usb_out_ev_enable_read(void) {
+	unsigned char r = csr_readl(0xe0004850L);
+	return r;
+}
+static inline void usb_out_ev_enable_write(unsigned char value) {
+	csr_writel(value, 0xe0004850L);
+}
+#define CSR_USB_OUT_ENABLE_STATUS_ADDR 0xe0004854L
+#define CSR_USB_OUT_ENABLE_STATUS_SIZE 1
+static inline unsigned char usb_out_enable_status_read(void) {
+	unsigned char r = csr_readl(0xe0004854L);
+	return r;
+}
+#define CSR_USB_OUT_STALL_STATUS_ADDR 0xe0004858L
+#define CSR_USB_OUT_STALL_STATUS_SIZE 1
+static inline unsigned char usb_out_stall_status_read(void) {
+	unsigned char r = csr_readl(0xe0004858L);
+	return r;
+}
+
+/* version */
+#define CSR_VERSION_BASE 0xe0007000L
+#define CSR_VERSION_MAJOR_ADDR 0xe0007000L
+#define CSR_VERSION_MAJOR_SIZE 1
+static inline unsigned char version_major_read(void) {
+	unsigned char r = csr_readl(0xe0007000L);
+	return r;
+}
+#define CSR_VERSION_MINOR_ADDR 0xe0007004L
+#define CSR_VERSION_MINOR_SIZE 1
+static inline unsigned char version_minor_read(void) {
+	unsigned char r = csr_readl(0xe0007004L);
+	return r;
+}
+#define CSR_VERSION_REVISION_ADDR 0xe0007008L
+#define CSR_VERSION_REVISION_SIZE 1
+static inline unsigned char version_revision_read(void) {
+	unsigned char r = csr_readl(0xe0007008L);
+	return r;
+}
+#define CSR_VERSION_GITREV_ADDR 0xe000700cL
+#define CSR_VERSION_GITREV_SIZE 4
+static inline unsigned int version_gitrev_read(void) {
+	unsigned int r = csr_readl(0xe000700cL);
+	r <<= 8;
+	r |= csr_readl(0xe0007010L);
+	r <<= 8;
+	r |= csr_readl(0xe0007014L);
+	r <<= 8;
+	r |= csr_readl(0xe0007018L);
+	return r;
+}
+#define CSR_VERSION_GITEXTRA_ADDR 0xe000701cL
+#define CSR_VERSION_GITEXTRA_SIZE 2
+static inline unsigned short int version_gitextra_read(void) {
+	unsigned short int r = csr_readl(0xe000701cL);
+	r <<= 8;
+	r |= csr_readl(0xe0007020L);
+	return r;
+}
+#define CSR_VERSION_DIRTY_ADDR 0xe0007024L
+#define CSR_VERSION_DIRTY_SIZE 1
+static inline unsigned char version_dirty_read(void) {
+	unsigned char r = csr_readl(0xe0007024L);
+	return r;
+}
+#define CSR_VERSION_DIRTY_DIRTY_OFFSET 0
+#define CSR_VERSION_DIRTY_DIRTY_SIZE 1
+#define CSR_VERSION_MODEL_ADDR 0xe0007028L
+#define CSR_VERSION_MODEL_SIZE 1
+static inline unsigned char version_model_read(void) {
+	unsigned char r = csr_readl(0xe0007028L);
+	return r;
+}
+#define CSR_VERSION_MODEL_MODEL_OFFSET 0
+#define CSR_VERSION_MODEL_MODEL_SIZE 8
+#define CSR_VERSION_SEED_ADDR 0xe000702cL
+#define CSR_VERSION_SEED_SIZE 4
+static inline unsigned int version_seed_read(void) {
+	unsigned int r = csr_readl(0xe000702cL);
+	r <<= 8;
+	r |= csr_readl(0xe0007030L);
+	r <<= 8;
+	r |= csr_readl(0xe0007034L);
+	r <<= 8;
+	r |= csr_readl(0xe0007038L);
+	return r;
+}
+
+#endif
--- a/ports/litex/boards/fomu/fomu-spi.ld
+++ b/ports/litex/boards/fomu/fomu-spi.ld
@ -0,0 +1,82 @@
+/*
+    GNU linker script for Fomu
+*/
+
+ENTRY(_start)
+
+/* Specify the memory areas */
+MEMORY
+{
+    FLASH (rx)      : ORIGIN = 0x20040000, LENGTH = 0x100000 /* entire flash, 1 MiB */
+    RAM (xrw)       : ORIGIN = 0x10000000, LENGTH = 0x00020000 /* 128 KiB */
+}
+
+/* top end of the stack */
+_estack = ORIGIN(RAM) + LENGTH(RAM);
+
+/* define output sections */
+SECTIONS
+{
+    /* This is the initialized data section
+    The program executes knowing that the data is in the RAM
+    but the loader puts the initial values in the FLASH (inidata).
+    It is one task of the startup to copy the initial values from FLASH to RAM. */
+    .data :  AT ( _sidata )
+    {
+        . = ALIGN(4);
+        _sdata = .;        /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */
+
+	*(.itcm.*)         /* Instruction Tightly Coupled Memory */
+	*(.dtcm_data.*)    /* Data Tightly Coupled Memory */
+        *(.ramtext)        /* .text* sections (code) */
+        *(.ramtext*)       /* .text* sections (code) */
+        *(.data)           /* .data sections */
+        *(.data*)          /* .data* sections */
+        *(.sdata)          /* .data sections */
+        *(.sdata*)         /* .data* sections */
+
+        . = ALIGN(4);
+        _edata = .;        /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */
+    } >RAM
+
+    /* The program code and other data goes into FLASH */
+    .text :
+    {
+        . = ALIGN(4);
+        KEEP(*(.text.start)) /* isr vector table */
+        *(.text)           /* .text sections (code) */
+        *(.text*)          /* .text* sections (code) */
+        *(.rodata)         /* .rodata sections (constants, strings, etc.) */
+        *(.rodata*)        /* .rodata* sections (constants, strings, etc.) */
+        *(.srodata)        /* .rodata sections (constants, strings, etc.) */
+        *(.srodata*)       /* .rodata* sections (constants, strings, etc.) */
+
+        . = ALIGN(4);
+        _etext = .;        /* define a global symbol at end of code */
+        _sidata = _etext;  /* This is used by the startup in order to initialize the .data secion */
+    } >FLASH
+
+    /* Uninitialized data section */
+    .bss :
+    {
+        . = ALIGN(4);
+        _sbss = .;         /* define a global symbol at bss start; used by startup code */
+        *(.bss)
+        *(.bss*)
+	*(.dtcm_bss.*)     /* Data Tightly Coupled Memory */
+        *(.sbss)
+        *(.sbss*)
+        *(COMMON)
+
+        . = ALIGN(4);
+        _ebss = .;         /* define a global symbol at bss end; used by startup code */
+    } >RAM
+
+
+    /* this is to define the start of the heap, and make sure we have a minimum size */
+    .heap :
+    {
+        . = ALIGN(4);
+        _heap_start = .;    /* define a global symbol at heap start */
+    } >RAM
+}
--- a/ports/litex/boards/fomu/generated/soc.h
+++ b/ports/litex/boards/fomu/generated/soc.h
@ -0,0 +1,58 @@
+//--------------------------------------------------------------------------------
+// Auto-generated by Migen (f4fcd10) & LiteX (de205d4a) on 2019-11-25 15:17:59
+//--------------------------------------------------------------------------------
+#ifndef __GENERATED_SOC_H
+#define __GENERATED_SOC_H
+#define CONFIG_BITSTREAM_SYNC_HEADER1 2123999870
+static inline int config_bitstream_sync_header1_read(void) {
+	return 2123999870;
+}
+#define CONFIG_BITSTREAM_SYNC_HEADER2 2125109630
+static inline int config_bitstream_sync_header2_read(void) {
+	return 2125109630;
+}
+#define CONFIG_CLOCK_FREQUENCY 12000000
+static inline int config_clock_frequency_read(void) {
+	return 12000000;
+}
+#define CONFIG_CPU_RESET_ADDR 0
+static inline int config_cpu_reset_addr_read(void) {
+	return 0;
+}
+#define CONFIG_CPU_TYPE "VEXRISCV"
+static inline const char * config_cpu_type_read(void) {
+	return "VEXRISCV";
+}
+#define CONFIG_CPU_TYPE_VEXRISCV
+#define CONFIG_CPU_VARIANT "MIN"
+static inline const char * config_cpu_variant_read(void) {
+	return "MIN";
+}
+#define CONFIG_CPU_VARIANT_MIN
+#define CONFIG_CSR_ALIGNMENT 32
+static inline int config_csr_alignment_read(void) {
+	return 32;
+}
+#define CONFIG_CSR_DATA_WIDTH 8
+static inline int config_csr_data_width_read(void) {
+	return 8;
+}
+#define CONFIG_FOMU_REV "HACKER"
+static inline const char * config_fomu_rev_read(void) {
+	return "HACKER";
+}
+#define CONFIG_FOMU_REV_HACKER
+#define CONFIG_SHADOW_BASE 2147483648
+static inline int config_shadow_base_read(void) {
+	return 2147483648;
+}
+#define TIMER0_INTERRUPT 2
+static inline int timer0_interrupt_read(void) {
+	return 2;
+}
+#define USB_INTERRUPT 3
+static inline int usb_interrupt_read(void) {
+	return 3;
+}
+
+#endif
--- a/ports/litex/boards/fomu/mpconfigboard.h
+++ b/ports/litex/boards/fomu/mpconfigboard.h
@ -0,0 +1,37 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+//Micropython setup
+
+#define MICROPY_HW_BOARD_NAME       "Fomu"
+#define MICROPY_HW_MCU_NAME         "VexRiscv"
+
+#define FLASH_SIZE                  (0x100000)
+#define FLASH_PAGE_SIZE             (0x1000)
+#define FLASH_PARTITION_OFFSET_BYTES (1024*1024)
+
+#define AUTORESET_DELAY_MS 500
+#define BOARD_FLASH_SIZE            (FLASH_SIZE)
--- a/ports/litex/boards/fomu/mpconfigboard.mk
+++ b/ports/litex/boards/fomu/mpconfigboard.mk
@ -0,0 +1,20 @@
+USB_VID = 0x1209
+USB_PID = 0x5BF0
+USB_PRODUCT = "Fomu"
+USB_MANUFACTURER = "Foosn"
+USB_DEVICES = "CDC,MSC,AUDIO,HID"
+
+INTERNAL_FLASH_FILESYSTEM = 1
+LONGINT_IMPL = MPZ
+
+# The default queue depth of 16 overflows on release builds,
+# so increase it to 32.
+CFLAGS += -DCFG_TUD_TASK_QUEUE_SZ=32
+
+# Fomu only implements rv32i
+CFLAGS += -march=rv32i -mabi=ilp32
+LDFLAGS += -march=rv32i -mabi=ilp32
+
+CIRCUITPY_NEOPIXEL_WRITE = 1
+CIRCUITPY_DIGITALIO = 1
+CIRCUITPY_MICROCONTROLLER = 1
--- a/ports/litex/boards/fomu/pins.c
+++ b/ports/litex/boards/fomu/pins.c
@ -0,0 +1,9 @@
+#include "shared-bindings/board/__init__.h"
+
+STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
+  { MP_ROM_QSTR(MP_QSTR_TOUCH1), MP_ROM_PTR(&pin_TOUCH1) },
+  { MP_ROM_QSTR(MP_QSTR_TOUCH2), MP_ROM_PTR(&pin_TOUCH2) },
+  { MP_ROM_QSTR(MP_QSTR_TOUCH3), MP_ROM_PTR(&pin_TOUCH3) },
+  { MP_ROM_QSTR(MP_QSTR_TOUCH4), MP_ROM_PTR(&pin_TOUCH4) },
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);
--- a/ports/litex/boards/fomu/profiling.gdb.txt
+++ b/ports/litex/boards/fomu/profiling.gdb.txt
@ -0,0 +1,16 @@
+set pagination 0
+set logging file profile.txt
+set logging overwrite
+
+server define poor_profile
+set $total = $arg0
+set $i = 0
+   set logging on
+   while($i<$total)
+     set $i = $i + 1
+     cont
+     p $pc
+     bt
+   end
+   set logging off
+end
--- a/ports/litex/common-hal/digitalio/DigitalInOut.c
+++ b/ports/litex/common-hal/digitalio/DigitalInOut.c
@ -0,0 +1,119 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ * Copyright (c) 2019 Lucian Copeland for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "shared-bindings/digitalio/DigitalInOut.h"
+#include "py/runtime.h"
+#include "supervisor/shared/translate.h"
+
+#include "csr.h"
+
+void common_hal_digitalio_digitalinout_never_reset(
+        digitalio_digitalinout_obj_t *self) {
+    (void)self;
+}
+
+digitalinout_result_t common_hal_digitalio_digitalinout_construct(
+        digitalio_digitalinout_obj_t *self, const mcu_pin_obj_t *pin) {
+
+    // claim_pin(pin);
+    self->pin = pin;
+
+    return DIGITALINOUT_OK;
+}
+
+bool common_hal_digitalio_digitalinout_deinited(digitalio_digitalinout_obj_t *self) {
+    return self->pin == mp_const_none;
+}
+
+void common_hal_digitalio_digitalinout_deinit(digitalio_digitalinout_obj_t *self) {
+    if (common_hal_digitalio_digitalinout_deinited(self)) {
+        return;
+    }
+
+    // reset_pin_number(0, self->pin->number);
+    self->pin = mp_const_none;
+}
+
+void common_hal_digitalio_digitalinout_switch_to_input(
+        digitalio_digitalinout_obj_t *self, digitalio_pull_t pull) {
+    (void)pull;
+    touch_oe_write(touch_oe_read() & ~(1 << self->pin->number));
+}
+
+void common_hal_digitalio_digitalinout_switch_to_output(
+        digitalio_digitalinout_obj_t *self, bool value,
+        digitalio_drive_mode_t drive_mode) {
+    (void)drive_mode;
+    common_hal_digitalio_digitalinout_set_value(self, value);
+    touch_oe_write(touch_oe_read() | (1 << self->pin->number));
+}
+
+digitalio_direction_t common_hal_digitalio_digitalinout_get_direction(
+        digitalio_digitalinout_obj_t *self) {
+
+    return (touch_oe_read() & (1 << self->pin->number))
+         ? DIRECTION_OUTPUT : DIRECTION_INPUT;
+}
+
+void common_hal_digitalio_digitalinout_set_value(
+        digitalio_digitalinout_obj_t *self, bool value) {
+    if (value)
+        touch_o_write(touch_o_read() | (1 << self->pin->number));
+    else
+        touch_o_write(touch_o_read() & ~(1 << self->pin->number));
+}
+
+bool common_hal_digitalio_digitalinout_get_value(
+        digitalio_digitalinout_obj_t *self) {
+    return !!(touch_i_read() & (1 << self->pin->number));
+}
+
+void common_hal_digitalio_digitalinout_set_drive_mode(
+        digitalio_digitalinout_obj_t *self,
+        digitalio_drive_mode_t drive_mode) {
+    (void)self;
+    (void)drive_mode;
+}
+
+digitalio_drive_mode_t common_hal_digitalio_digitalinout_get_drive_mode(
+        digitalio_digitalinout_obj_t *self) {
+    if (common_hal_digitalio_digitalinout_get_direction(self) == DIRECTION_OUTPUT)
+        return DRIVE_MODE_PUSH_PULL;
+    else
+        return DRIVE_MODE_OPEN_DRAIN;
+}
+
+void common_hal_digitalio_digitalinout_set_pull(
+        digitalio_digitalinout_obj_t *self, digitalio_pull_t pull) {
+    (void)self;
+    (void)pull;
+}
+
+digitalio_pull_t common_hal_digitalio_digitalinout_get_pull(
+        digitalio_digitalinout_obj_t *self) {
+    return PULL_NONE;
+}
--- a/ports/litex/common-hal/digitalio/DigitalInOut.h
+++ b/ports/litex/common-hal/digitalio/DigitalInOut.h
@ -0,0 +1,38 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ * Copyright (c) 2019 Lucian Copeland for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_FOMU_COMMON_HAL_DIGITALIO_DIGITALINOUT_H
+#define MICROPY_INCLUDED_FOMU_COMMON_HAL_DIGITALIO_DIGITALINOUT_H
+