Add SPDX license identifiers

Add license information to files. Mostly automated with:

    find src/ -name '*.[c,h]' | xargs sed -i '1s,^,// SPDX-License-Identifier: GPL-3.0-only\n\n,'
    find src/ -name '*.mk' | xargs sed -i '1s,^,# SPDX-License-Identifier: GPL-3.0-only\n\n,'

Makefile

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-3.0-only
+
 -include config.mk
 
 # Parameter for current board

src/arch/8051/arch.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <8051.h>
 
 #include <arch/arch.h>

src/arch/8051/arch.mk

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-3.0-only
+
 CC=sdcc -mmcs51 --model-large --Werror
 OBJ=$(patsubst src/%.c,$(BUILD)/%.rel,$(SRC))
 

src/arch/8051/delay.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 // Uses timer 1 to implement delays
 
 #include <8051.h>

src/arch/8051/include/arch/arch.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _ARCH_ARCH_H
 #define _ARCH_ARCH_H
 

src/arch/8051/include/arch/delay.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _ARCH_DELAY_H
 #define _ARCH_DELAY_H
 

src/arch/8051/include/arch/time.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _ARCH_TIME_H
 #define _ARCH_TIME_H
 

src/arch/8051/time.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 // Uses timer 0 to keep track of global time
 
 #include <8051.h>

src/arch/avr/arch.mk

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-3.0-only
+
 CC=avr-gcc -mmcu=$(EC)
 CFLAGS+=-Os -fstack-usage -Wall -Werror -Wl,--gc-sections -Wl,-u,vfprintf -lprintf_flt
 OBJ=$(patsubst src/%.c,$(BUILD)/%.o,$(SRC))

src/arch/avr/gpio.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <arch/gpio.h>
 
 bool gpio_get_dir(struct Gpio * gpio) {

src/arch/avr/i2c.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <stdio.h>
 #include <avr/io.h>
 #include <util/twi.h>

src/arch/avr/i2c_slave.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 // Based on https://github.com/thegouger/avr-i2c-slave
 
 #include <stdio.h>

src/arch/avr/include/arch/gpio.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _ARCH_GPIO_H
 #define _ARCH_GPIO_H
 

src/arch/avr/include/arch/i2c_slave.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _ARCH_I2C_SLAVE_H
 #define _ARCH_I2C_SLAVE_H
 

src/arch/avr/include/arch/uart.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _ARCH_UART_H
 #define _ARCH_UART_H
 

src/arch/avr/uart.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <stdio.h>
 #include <avr/io.h>
 

src/board/arduino/mega2560/battery.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <stdio.h>
 
 #include <common/i2c.h>

src/board/arduino/mega2560/board.mk

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-3.0-only
+
 EC=atmega2560
 
 PORT=$(wildcard /dev/ttyACM*)

src/board/arduino/mega2560/i2c.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <avr/io.h>
 
 #include <board/cpu.h>

src/board/arduino/mega2560/include/board/battery.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_BATTERY_H
 #define _BOARD_BATTERY_H
 

src/board/arduino/mega2560/include/board/cpu.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_CPU_H
 #define _BOARD_CPU_H
 

src/board/arduino/mega2560/include/board/i2c.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_I2C_H
 #define _BOARD_I2C_H
 

src/board/arduino/mega2560/main.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <stdio.h>
 
 #include <arch/gpio.h>

src/board/arduino/mega2560/parallel.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 // High resolution pinout can be found here:
 // https://osoyoo.com/wp-content/uploads/2017/08/arduino_mega_2560_pinout.png
 

src/board/arduino/micro/board.mk

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-3.0-only
+
 EC=atmega32u4
 
 PORT=$(wildcard /dev/ttyACM*)

src/board/arduino/micro/include/board/cpu.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_CPU_H
 #define _BOARD_CPU_H
 

src/board/arduino/micro/main.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <stdio.h>
 
 #include <arch/gpio.h>

src/board/arduino/uno/battery.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <stdio.h>
 
 #include <common/i2c.h>

src/board/arduino/uno/board.mk

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-3.0-only
+
 EC=atmega328p
 
 PORT=$(wildcard /dev/ttyACM*)

src/board/arduino/uno/i2c.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <avr/io.h>
 
 #include <board/cpu.h>

src/board/arduino/uno/include/board/battery.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_BATTERY_H
 #define _BOARD_BATTERY_H
 

src/board/arduino/uno/include/board/cpu.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_CPU_H
 #define _BOARD_CPU_H
 

src/board/arduino/uno/include/board/i2c.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_I2C_H
 #define _BOARD_I2C_H
 

src/board/arduino/uno/main.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <stdio.h>
 
 #include <arch/gpio.h>

src/board/arduino/uno/parallel.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 // High resolution pinout can be found here:
 // https://osoyoo.com/wp-content/uploads/2017/08/arduino_mega_2560_pinout.png
 

src/board/system76/addw2/board.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <arch/time.h>
 #include <board/battery.h>
 #include <board/board.h>

src/board/system76/addw2/board.mk

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-3.0-only
+
 EC=it5570e
 
 # Add keymap to src

src/board/system76/addw2/gpio.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/gpio.h>
 #include <common/debug.h>
 

src/board/system76/addw2/include/board/gpio.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_GPIO_H
 #define _BOARD_GPIO_H
 

src/board/system76/addw2/include/board/keymap.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_KEYMAP_H
 #define _BOARD_KEYMAP_H
 

src/board/system76/addw2/kbled.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/kbled.h>
 #include <ec/pwm.h>
 

src/board/system76/addw2/keymap/default.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 // Default layout
 
 #include <board/keymap.h>

src/board/system76/addw2/keymap/jeremy.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 // Default layout
 
 #include <board/keymap.h>

src/board/system76/bonw14/board.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <arch/time.h>
 #include <board/battery.h>
 #include <board/board.h>

src/board/system76/bonw14/board.mk

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-3.0-only
+
 EC=it5570e
 
 # Add keymap to src

src/board/system76/bonw14/gpio.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/gpio.h>
 #include <common/debug.h>
 

src/board/system76/bonw14/include/board/gpio.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_GPIO_H
 #define _BOARD_GPIO_H
 

src/board/system76/bonw14/include/board/keymap.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_KEYMAP_H
 #define _BOARD_KEYMAP_H
 

src/board/system76/bonw14/kbled.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/kbled.h>
 #include <common/debug.h>
 #include <ec/i2c.h>

src/board/system76/bonw14/keymap/default.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 // Default layout
 
 #include <board/keymap.h>

src/board/system76/bonw14/keymap/jeremy.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 // Default layout
 
 #include <board/keymap.h>

src/board/system76/common/acpi.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/acpi.h>
 #include <board/battery.h>
 #include <board/dgpu.h>

src/board/system76/common/battery.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/battery.h>
 #include <board/smbus.h>
 #include <common/debug.h>

src/board/system76/common/common.mk

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-3.0-only
+
 # Set log level
 # 0 - NONE
 # 1 - ERROR

src/board/system76/common/dgpu.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/dgpu.h>
 
 #if HAVE_DGPU

src/board/system76/common/ecpm.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/ecpm.h>
 
 void ecpm_init(void) {

src/board/system76/common/gctrl.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/gctrl.h>
 
 void gctrl_init(void) {

src/board/system76/common/include/board/acpi.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_ACPI_H
 #define _BOARD_ACPI_H
 

src/board/system76/common/include/board/battery.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_BATTERY_H
 #define _BOARD_BATTERY_H
 

src/board/system76/common/include/board/board.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_BOARD_H
 #define _BOARD_BOARD_H
 

src/board/system76/common/include/board/cpu.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_CPU_H
 #define _BOARD_CPU_H
 

src/board/system76/common/include/board/dgpu.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_DGPU_H
 #define _BOARD_DGPU_H
 

src/board/system76/common/include/board/ecpm.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_ECPM_H
 #define _BOARD_ECPM_H
 

src/board/system76/common/include/board/gctrl.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_GCTRL_H
 #define _BOARD_GCTRL_H
 

src/board/system76/common/include/board/kbc.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_KBC_H
 #define _BOARD_KBC_H
 

src/board/system76/common/include/board/kbled.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_KBLED_H
 #define _BOARD_KBLED_H
 

src/board/system76/common/include/board/kbscan.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_KBSCAN_H
 #define _BOARD_KBSCAN_H
 

src/board/system76/common/include/board/lid.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_LID_H
 #define _BOARD_LID_H
 

src/board/system76/common/include/board/parallel.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_PARALLEL_H
 #define _BOARD_PARALLEL_H
 

src/board/system76/common/include/board/peci.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_PECI_H
 #define _BOARD_PECI_H
 

src/board/system76/common/include/board/pmc.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_PMC_H
 #define _BOARD_PMC_H
 

src/board/system76/common/include/board/pnp.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_PNP_H
 #define _BOARD_PNP_H
 

src/board/system76/common/include/board/power.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_POWER_H
 #define _BOARD_POWER_H
 

src/board/system76/common/include/board/ps2.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_PS2_H
 #define _BOARD_PS2_H
 

src/board/system76/common/include/board/pwm.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_PWM_H
 #define _BOARD_PWM_H
 

src/board/system76/common/include/board/scratch.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_SCRATCH_H
 #define _BOARD_SCRATCH_H
 

src/board/system76/common/include/board/smbus.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_SMBUS_H
 #define _BOARD_SMBUS_H
 

src/board/system76/common/include/board/smfi.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_SMFI_H
 #define _BOARD_SMFI_H
 

src/board/system76/common/include/board/touchpad.h

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #ifndef _BOARD_TOUCHPAD_H
 #define _BOARD_TOUCHPAD_H
 

src/board/system76/common/kbc.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/kbc.h>
 #include <board/kbscan.h>
 #include <board/keymap.h>

src/board/system76/common/kbscan.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <arch/delay.h>
 #include <arch/time.h>
 #include <board/gpio.h>

src/board/system76/common/keymap.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/keymap.h>
 #include <common/debug.h>
 

src/board/system76/common/lid.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <arch/delay.h>
 #include <board/gpio.h>
 #include <board/lid.h>

src/board/system76/common/main.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <8051.h>
 #include <stdio.h>
 

src/board/system76/common/parallel.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <arch/delay.h>
 #include <arch/time.h>
 #include <board/parallel.h>

src/board/system76/common/peci.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <stdbool.h>
 
 #include <board/peci.h>

src/board/system76/common/pmc.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <arch/delay.h>
 #include <board/acpi.h>
 #include <board/gpio.h>

src/board/system76/common/pnp.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <stdint.h>
 
 #include <common/debug.h>

src/board/system76/common/power.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <arch/delay.h>
 #include <arch/time.h>
 #include <board/acpi.h>

src/board/system76/common/ps2.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/ps2.h>
 
 void ps2_init(void) {

src/board/system76/common/pwm.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/pwm.h>
 
 void pwm_init(void) {

src/board/system76/common/scratch.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <8051.h>
 #include <stdint.h>
 

src/board/system76/common/scratch/main.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/smfi.h>
 
 // Main program while running in scratch ROM

src/board/system76/common/scratch/scratch.mk

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-3.0-only
+
 # Set scratch ROM parameters
 SCRATCH_OFFSET=1024
 SCRATCH_SIZE=1024

src/board/system76/common/scratch/stdio.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <stdio.h>
 
 #include <board/smfi.h>

src/board/system76/common/smbus.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/smbus.h>
 #include <ec/i2c.h>
 

src/board/system76/common/smfi.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>

src/board/system76/common/stdio.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <stdio.h>
 
 #include <board/smfi.h>

src/board/system76/common/touchpad.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/kbc.h>
 #include <board/touchpad.h>
 #include <common/debug.h>

src/board/system76/darp5/board.c

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
 #include <board/battery.h>
 #include <board/board.h>
 #include <board/gpio.h>