summaryrefslogtreecommitdiff
path: root/platforms/arm_atsam
diff options
context:
space:
mode:
Diffstat (limited to 'platforms/arm_atsam')
-rw-r--r--platforms/arm_atsam/_timer.h19
-rw-r--r--platforms/arm_atsam/_wait.h22
-rw-r--r--platforms/arm_atsam/atomic_util.h37
-rw-r--r--platforms/arm_atsam/bootloader.c57
-rw-r--r--platforms/arm_atsam/eeprom.c184
-rw-r--r--platforms/arm_atsam/flash.mk11
-rw-r--r--platforms/arm_atsam/gpio.h77
-rw-r--r--platforms/arm_atsam/pin_defs.h84
-rw-r--r--platforms/arm_atsam/platform.c21
-rw-r--r--platforms/arm_atsam/platform.mk67
-rw-r--r--platforms/arm_atsam/platform_deps.h18
-rw-r--r--platforms/arm_atsam/suspend.c77
-rw-r--r--platforms/arm_atsam/timer.c19
13 files changed, 693 insertions, 0 deletions
diff --git a/platforms/arm_atsam/_timer.h b/platforms/arm_atsam/_timer.h
new file mode 100644
index 0000000000..77402b612a
--- /dev/null
+++ b/platforms/arm_atsam/_timer.h
@@ -0,0 +1,19 @@
+/* Copyright 2021 Simon Arlott
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+// The platform is 32-bit, so prefer 32-bit timers to avoid overflow
+#define FAST_TIMER_T_SIZE 32
diff --git a/platforms/arm_atsam/_wait.h b/platforms/arm_atsam/_wait.h
new file mode 100644
index 0000000000..41b686b56c
--- /dev/null
+++ b/platforms/arm_atsam/_wait.h
@@ -0,0 +1,22 @@
+/* Copyright 2021 QMK
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include "clks.h"
+
+#define wait_ms(ms) CLK_delay_ms(ms)
+#define wait_us(us) CLK_delay_us(us)
+#define waitInputPinDelay()
diff --git a/platforms/arm_atsam/atomic_util.h b/platforms/arm_atsam/atomic_util.h
new file mode 100644
index 0000000000..848542d23a
--- /dev/null
+++ b/platforms/arm_atsam/atomic_util.h
@@ -0,0 +1,37 @@
+/* Copyright 2021 QMK
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include "samd51j18a.h"
+
+static __inline__ uint8_t __interrupt_disable__(void) {
+ __disable_irq();
+
+ return 1;
+}
+
+static __inline__ void __interrupt_enable__(const uint8_t *__s) {
+ __enable_irq();
+
+ __asm__ volatile("" ::: "memory");
+ (void)__s;
+}
+
+#define ATOMIC_BLOCK(type) for (type, __ToDo = __interrupt_disable__(); __ToDo; __ToDo = 0)
+#define ATOMIC_FORCEON uint8_t sreg_save __attribute__((__cleanup__(__interrupt_enable__))) = 0
+
+#define ATOMIC_BLOCK_RESTORESTATE _Static_assert(0, "ATOMIC_BLOCK_RESTORESTATE not implemented")
+#define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK(ATOMIC_FORCEON)
diff --git a/platforms/arm_atsam/bootloader.c b/platforms/arm_atsam/bootloader.c
new file mode 100644
index 0000000000..9015b00aab
--- /dev/null
+++ b/platforms/arm_atsam/bootloader.c
@@ -0,0 +1,57 @@
+/* Copyright 2017 Fred Sundvik
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "bootloader.h"
+#include "samd51j18a.h"
+#include "md_bootloader.h"
+
+// Set watchdog timer to reset. Directs the bootloader to stay in programming mode.
+void bootloader_jump(void) {
+#ifdef KEYBOARD_massdrop_ctrl
+ // CTRL keyboards released with bootloader version below must use RAM method. Otherwise use WDT method.
+ uint8_t ver_ram_method[] = "v2.18Jun 22 2018 17:28:08"; // The version to match (NULL terminated by compiler)
+ uint8_t *ver_check = ver_ram_method; // Pointer to version match string for traversal
+ uint8_t *ver_rom = (uint8_t *)0x21A0; // Pointer to address in ROM where this specific bootloader version would exist
+
+ while (*ver_check && *ver_rom == *ver_check) { // While there are check version characters to match and bootloader's version matches check's version
+ ver_check++; // Move check version pointer to next character
+ ver_rom++; // Move ROM version pointer to next character
+ }
+
+ if (!*ver_check) { // If check version pointer is NULL, all characters have matched
+ *MAGIC_ADDR = BOOTLOADER_MAGIC; // Set magic number into RAM
+ NVIC_SystemReset(); // Perform system reset
+ while (1) {
+ } // Won't get here
+ }
+#endif
+
+ WDT->CTRLA.bit.ENABLE = 0;
+ while (WDT->SYNCBUSY.bit.ENABLE) {
+ }
+ while (WDT->CTRLA.bit.ENABLE) {
+ }
+ WDT->CONFIG.bit.WINDOW = 0;
+ WDT->CONFIG.bit.PER = 0;
+ WDT->EWCTRL.bit.EWOFFSET = 0;
+ WDT->CTRLA.bit.ENABLE = 1;
+ while (WDT->SYNCBUSY.bit.ENABLE) {
+ }
+ while (!WDT->CTRLA.bit.ENABLE) {
+ }
+ while (1) {
+ } // Wait on timeout
+}
diff --git a/platforms/arm_atsam/eeprom.c b/platforms/arm_atsam/eeprom.c
new file mode 100644
index 0000000000..ff1a692623
--- /dev/null
+++ b/platforms/arm_atsam/eeprom.c
@@ -0,0 +1,184 @@
+/* Copyright 2017 Fred Sundvik
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "eeprom.h"
+#include "debug.h"
+#include "samd51j18a.h"
+#include "core_cm4.h"
+#include "component/nvmctrl.h"
+
+#ifndef EEPROM_SIZE
+# include "eeconfig.h"
+# define EEPROM_SIZE (((EECONFIG_SIZE + 3) / 4) * 4) // based off eeconfig's current usage, aligned to 4-byte sizes, to deal with LTO
+#endif
+
+#ifndef MAX
+# define MAX(X, Y) ((X) > (Y) ? (X) : (Y))
+#endif
+
+#ifndef BUSY_RETRIES
+# define BUSY_RETRIES 10000
+#endif
+
+// #define DEBUG_EEPROM_OUTPUT
+
+/*
+ * Debug print utils
+ */
+#if defined(DEBUG_EEPROM_OUTPUT)
+# define eeprom_printf(fmt, ...) xprintf(fmt, ##__VA_ARGS__);
+#else /* NO_DEBUG */
+# define eeprom_printf(fmt, ...)
+#endif /* NO_DEBUG */
+
+__attribute__((aligned(4))) static uint8_t buffer[EEPROM_SIZE] = {0};
+volatile uint8_t * SmartEEPROM8 = (uint8_t *)SEEPROM_ADDR;
+
+static inline bool eeprom_is_busy(void) {
+ int timeout = BUSY_RETRIES;
+ while (NVMCTRL->SEESTAT.bit.BUSY && timeout-- > 0)
+ ;
+
+ return NVMCTRL->SEESTAT.bit.BUSY;
+}
+
+static uint32_t get_virtual_eeprom_size(void) {
+ // clang-format off
+ static const uint32_t VIRTUAL_EEPROM_MAP[11][8] = {
+ /* 4 8 16 32 64 128 256 512 */
+ /* 0*/ { 0, 0, 0, 0, 0, 0, 0, 0 },
+ /* 1*/ { 512, 1024, 2048, 4096, 4096, 4096, 4096, 4096 },
+ /* 2*/ { 512, 1024, 2048, 4096, 8192, 8192, 8192, 8192 },
+ /* 3*/ { 512, 1024, 2048, 4096, 8192, 16384, 16384, 16384 },
+ /* 4*/ { 512, 1024, 2048, 4096, 8192, 16384, 16384, 16384 },
+ /* 5*/ { 512, 1024, 2048, 4096, 8192, 16384, 32768, 32768 },
+ /* 6*/ { 512, 1024, 2048, 4096, 8192, 16384, 32768, 32768 },
+ /* 7*/ { 512, 1024, 2048, 4096, 8192, 16384, 32768, 32768 },
+ /* 8*/ { 512, 1024, 2048, 4096, 8192, 16384, 32768, 32768 },
+ /* 9*/ { 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536 },
+ /*10*/ { 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536 },
+ };
+ // clang-format on
+
+ static uint32_t virtual_eeprom_size = UINT32_MAX;
+ if (virtual_eeprom_size == UINT32_MAX) {
+ virtual_eeprom_size = VIRTUAL_EEPROM_MAP[NVMCTRL->SEESTAT.bit.PSZ][NVMCTRL->SEESTAT.bit.SBLK];
+ }
+ // eeprom_printf("get_virtual_eeprom_size:: %d:%d:%d\n", NVMCTRL->SEESTAT.bit.PSZ, NVMCTRL->SEESTAT.bit.SBLK, virtual_eeprom_size);
+ return virtual_eeprom_size;
+}
+
+uint8_t eeprom_read_byte(const uint8_t *addr) {
+ uintptr_t offset = (uintptr_t)addr;
+ if (offset >= MAX(EEPROM_SIZE, get_virtual_eeprom_size())) {
+ eeprom_printf("eeprom_read_byte:: out of bounds\n");
+ return 0x0;
+ }
+
+ if (get_virtual_eeprom_size() == 0) {
+ return buffer[offset];
+ }
+
+ if (eeprom_is_busy()) {
+ eeprom_printf("eeprom_write_byte:: timeout\n");
+ return 0x0;
+ }
+
+ return SmartEEPROM8[offset];
+}
+
+void eeprom_write_byte(uint8_t *addr, uint8_t value) {
+ uintptr_t offset = (uintptr_t)addr;
+ if (offset >= MAX(EEPROM_SIZE, get_virtual_eeprom_size())) {
+ eeprom_printf("eeprom_write_byte:: out of bounds\n");
+ return;
+ }
+
+ if (get_virtual_eeprom_size() == 0) {
+ buffer[offset] = value;
+ return;
+ }
+
+ if (eeprom_is_busy()) {
+ eeprom_printf("eeprom_write_byte:: timeout\n");
+ return;
+ }
+
+ SmartEEPROM8[offset] = value;
+}
+
+uint16_t eeprom_read_word(const uint16_t *addr) {
+ const uint8_t *p = (const uint8_t *)addr;
+ return eeprom_read_byte(p) | (eeprom_read_byte(p + 1) << 8);
+}
+
+uint32_t eeprom_read_dword(const uint32_t *addr) {
+ const uint8_t *p = (const uint8_t *)addr;
+ return eeprom_read_byte(p) | (eeprom_read_byte(p + 1) << 8) | (eeprom_read_byte(p + 2) << 16) | (eeprom_read_byte(p + 3) << 24);
+}
+
+void eeprom_read_block(void *buf, const void *addr, size_t len) {
+ const uint8_t *p = (const uint8_t *)addr;
+ uint8_t * dest = (uint8_t *)buf;
+ while (len--) {
+ *dest++ = eeprom_read_byte(p++);
+ }
+}
+
+void eeprom_write_word(uint16_t *addr, uint16_t value) {
+ uint8_t *p = (uint8_t *)addr;
+ eeprom_write_byte(p++, value);
+ eeprom_write_byte(p, value >> 8);
+}
+
+void eeprom_write_dword(uint32_t *addr, uint32_t value) {
+ uint8_t *p = (uint8_t *)addr;
+ eeprom_write_byte(p++, value);
+ eeprom_write_byte(p++, value >> 8);
+ eeprom_write_byte(p++, value >> 16);
+ eeprom_write_byte(p, value >> 24);
+}
+
+void eeprom_write_block(const void *buf, void *addr, size_t len) {
+ uint8_t * p = (uint8_t *)addr;
+ const uint8_t *src = (const uint8_t *)buf;
+ while (len--) {
+ eeprom_write_byte(p++, *src++);
+ }
+}
+
+void eeprom_update_byte(uint8_t *addr, uint8_t value) { eeprom_write_byte(addr, value); }
+
+void eeprom_update_word(uint16_t *addr, uint16_t value) {
+ uint8_t *p = (uint8_t *)addr;
+ eeprom_write_byte(p++, value);
+ eeprom_write_byte(p, value >> 8);
+}
+
+void eeprom_update_dword(uint32_t *addr, uint32_t value) {
+ uint8_t *p = (uint8_t *)addr;
+ eeprom_write_byte(p++, value);
+ eeprom_write_byte(p++, value >> 8);
+ eeprom_write_byte(p++, value >> 16);
+ eeprom_write_byte(p, value >> 24);
+}
+
+void eeprom_update_block(const void *buf, void *addr, size_t len) {
+ uint8_t * p = (uint8_t *)addr;
+ const uint8_t *src = (const uint8_t *)buf;
+ while (len--) {
+ eeprom_write_byte(p++, *src++);
+ }
+}
diff --git a/platforms/arm_atsam/flash.mk b/platforms/arm_atsam/flash.mk
index f31d4b4d95..8152610ceb 100644
--- a/platforms/arm_atsam/flash.mk
+++ b/platforms/arm_atsam/flash.mk
@@ -3,9 +3,20 @@
# Architecture or project specific options
#
+MDLOADER_CLI ?= mdloader
+
+define EXEC_MDLOADER
+ $(MDLOADER_CLI) --first --download $(BUILD_DIR)/$(TARGET).bin --restart
+endef
+
+mdloader: bin
+ $(call EXEC_MDLOADER)
+
flash: bin
ifneq ($(strip $(PROGRAM_CMD)),)
$(UNSYNC_OUTPUT_CMD) && $(PROGRAM_CMD)
+else ifeq ($(strip $(ARM_ATSAM)),SAMD51J18A)
+ $(UNSYNC_OUTPUT_CMD) && $(call EXEC_MDLOADER)
else
$(PRINT_OK); $(SILENT) || printf "$(MSG_FLASH_ARCH)"
endif
diff --git a/platforms/arm_atsam/gpio.h b/platforms/arm_atsam/gpio.h
new file mode 100644
index 0000000000..915ed0ef4f
--- /dev/null
+++ b/platforms/arm_atsam/gpio.h
@@ -0,0 +1,77 @@
+/* Copyright 2021 QMK
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include "stdint.h"
+#include "samd51j18a.h"
+
+#include "pin_defs.h"
+
+typedef uint8_t pin_t;
+
+#define SAMD_PORT(pin) ((pin & 0x20) >> 5)
+#define SAMD_PIN(pin) (pin & 0x1f)
+#define SAMD_PIN_MASK(pin) (1 << (pin & 0x1f))
+
+#define setPinInput(pin) \
+ do { \
+ PORT->Group[SAMD_PORT(pin)].PINCFG[SAMD_PIN(pin)].bit.INEN = 1; \
+ PORT->Group[SAMD_PORT(pin)].DIRCLR.reg = SAMD_PIN_MASK(pin); \
+ } while (0)
+
+#define setPinInputHigh(pin) \
+ do { \
+ PORT->Group[SAMD_PORT(pin)].DIRCLR.reg = SAMD_PIN_MASK(pin); \
+ PORT->Group[SAMD_PORT(pin)].OUTSET.reg = SAMD_PIN_MASK(pin); \
+ PORT->Group[SAMD_PORT(pin)].PINCFG[SAMD_PIN(pin)].bit.INEN = 1; \
+ PORT->Group[SAMD_PORT(pin)].PINCFG[SAMD_PIN(pin)].bit.PULLEN = 1; \
+ } while (0)
+
+#define setPinInputLow(pin) \
+ do { \
+ PORT->Group[SAMD_PORT(pin)].DIRCLR.reg = SAMD_PIN_MASK(pin); \
+ PORT->Group[SAMD_PORT(pin)].OUTCLR.reg = SAMD_PIN_MASK(pin); \
+ PORT->Group[SAMD_PORT(pin)].PINCFG[SAMD_PIN(pin)].bit.INEN = 1; \
+ PORT->Group[SAMD_PORT(pin)].PINCFG[SAMD_PIN(pin)].bit.PULLEN = 1; \
+ } while (0)
+
+#define setPinOutput(pin) \
+ do { \
+ PORT->Group[SAMD_PORT(pin)].DIRSET.reg = SAMD_PIN_MASK(pin); \
+ PORT->Group[SAMD_PORT(pin)].OUTCLR.reg = SAMD_PIN_MASK(pin); \
+ } while (0)
+
+#define writePinHigh(pin) \
+ do { \
+ PORT->Group[SAMD_PORT(pin)].OUTSET.reg = SAMD_PIN_MASK(pin); \
+ } while (0)
+
+#define writePinLow(pin) \
+ do { \
+ PORT->Group[SAMD_PORT(pin)].OUTCLR.reg = SAMD_PIN_MASK(pin); \
+ } while (0)
+
+#define writePin(pin, level) \
+ do { \
+ if (level) \
+ PORT->Group[SAMD_PORT(pin)].OUTSET.reg = SAMD_PIN_MASK(pin); \
+ else \
+ PORT->Group[SAMD_PORT(pin)].OUTCLR.reg = SAMD_PIN_MASK(pin); \
+ } while (0)
+
+#define readPin(pin) ((PORT->Group[SAMD_PORT(pin)].IN.reg & SAMD_PIN_MASK(pin)) != 0)
+
+#define togglePin(pin) (PORT->Group[SAMD_PORT(pin)].OUTTGL.reg = SAMD_PIN_MASK(pin))
diff --git a/platforms/arm_atsam/pin_defs.h b/platforms/arm_atsam/pin_defs.h
new file mode 100644
index 0000000000..5b50b23910
--- /dev/null
+++ b/platforms/arm_atsam/pin_defs.h
@@ -0,0 +1,84 @@
+/* Copyright 2021 QMK
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include "samd51j18a.h"
+
+#define A00 PIN_PA00
+#define A01 PIN_PA01
+#define A02 PIN_PA02
+#define A03 PIN_PA03
+#define A04 PIN_PA04
+#define A05 PIN_PA05
+#define A06 PIN_PA06
+#define A07 PIN_PA07
+#define A08 PIN_PA08
+#define A09 PIN_PA09
+#define A10 PIN_PA10
+#define A11 PIN_PA11
+#define A12 PIN_PA12
+#define A13 PIN_PA13
+#define A14 PIN_PA14
+#define A15 PIN_PA15
+#define A16 PIN_PA16
+#define A17 PIN_PA17
+#define A18 PIN_PA18
+#define A19 PIN_PA19
+#define A20 PIN_PA20
+#define A21 PIN_PA21
+#define A22 PIN_PA22
+#define A23 PIN_PA23
+#define A24 PIN_PA24
+#define A25 PIN_PA25
+#define A26 PIN_PA26
+#define A27 PIN_PA27
+#define A28 PIN_PA28
+#define A29 PIN_PA29
+#define A30 PIN_PA30
+#define A31 PIN_PA31
+
+#define B00 PIN_PB00
+#define B01 PIN_PB01
+#define B02 PIN_PB02
+#define B03 PIN_PB03
+#define B04 PIN_PB04
+#define B05 PIN_PB05
+#define B06 PIN_PB06
+#define B07 PIN_PB07
+#define B08 PIN_PB08
+#define B09 PIN_PB09
+#define B10 PIN_PB10
+#define B11 PIN_PB11
+#define B12 PIN_PB12
+#define B13 PIN_PB13
+#define B14 PIN_PB14
+#define B15 PIN_PB15
+#define B16 PIN_PB16
+#define B17 PIN_PB17
+#define B18 PIN_PB18
+#define B19 PIN_PB19
+#define B20 PIN_PB20
+#define B21 PIN_PB21
+#define B22 PIN_PB22
+#define B23 PIN_PB23
+#define B24 PIN_PB24
+#define B25 PIN_PB25
+#define B26 PIN_PB26
+#define B27 PIN_PB27
+#define B28 PIN_PB28
+#define B29 PIN_PB29
+#define B30 PIN_PB30
+#define B31 PIN_PB31
diff --git a/platforms/arm_atsam/platform.c b/platforms/arm_atsam/platform.c
new file mode 100644
index 0000000000..3e35b4fe4c
--- /dev/null
+++ b/platforms/arm_atsam/platform.c
@@ -0,0 +1,21 @@
+/* Copyright 2021 QMK
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "platform_deps.h"
+
+void platform_setup(void) {
+ // do nothing
+}
diff --git a/platforms/arm_atsam/platform.mk b/platforms/arm_atsam/platform.mk
new file mode 100644
index 0000000000..b49bf764d7
--- /dev/null
+++ b/platforms/arm_atsam/platform.mk
@@ -0,0 +1,67 @@
+# Hey Emacs, this is a -*- makefile -*-
+##############################################################################
+# Compiler settings
+#
+CC = $(CC_PREFIX) arm-none-eabi-gcc
+OBJCOPY = arm-none-eabi-objcopy
+OBJDUMP = arm-none-eabi-objdump
+SIZE = arm-none-eabi-size
+AR = arm-none-eabi-ar
+NM = arm-none-eabi-nm
+HEX = $(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock -R .signature
+EEP = $(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT)
+BIN =
+
+COMMON_VPATH += $(LIB_PATH)/arm_atsam/packs/atmel/SAMD51_DFP/1.0.70/include
+COMMON_VPATH += $(LIB_PATH)/arm_atsam/packs/arm/cmsis/5.0.1/CMSIS/Include
+
+COMPILEFLAGS += -funsigned-char
+COMPILEFLAGS += -funsigned-bitfields
+COMPILEFLAGS += -ffunction-sections
+COMPILEFLAGS += -fshort-enums
+COMPILEFLAGS += -fno-inline-small-functions
+COMPILEFLAGS += -fno-strict-aliasing
+COMPILEFLAGS += -mfloat-abi=hard
+COMPILEFLAGS += -mfpu=fpv4-sp-d16
+COMPILEFLAGS += -mthumb
+
+#ALLOW_WARNINGS = yes
+
+CFLAGS += $(COMPILEFLAGS)
+
+CXXFLAGS += $(COMPILEFLAGS)
+CXXFLAGS += -fno-exceptions -std=c++11
+
+LDFLAGS +=-Wl,--gc-sections
+LDFLAGS += -Wl,-Map="%OUT%%PROJ_NAME%.map"
+LDFLAGS += -Wl,--start-group
+LDFLAGS += -Wl,--end-group
+LDFLAGS += --specs=rdimon.specs
+LDFLAGS += -T$(LIB_PATH)/arm_atsam/packs/atmel/SAMD51_DFP/1.0.70/gcc/gcc/samd51j18a_flash.ld
+
+OPT_DEFS += -DPROTOCOL_ARM_ATSAM
+
+MCUFLAGS = -mcpu=$(MCU)
+MCUFLAGS += -D__$(ARM_ATSAM)__
+
+# List any extra directories to look for libraries here.
+# Each directory must be seperated by a space.
+# Use forward slashes for directory separators.
+# For a directory that has spaces, enclose it in quotes.
+EXTRALIBDIRS =
+
+cpfirmware: warn-arm_atsam
+.INTERMEDIATE: warn-arm_atsam
+warn-arm_atsam: $(FIRMWARE_FORMAT)
+ $(info @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@)
+ $(info This MCU support package has a lack of support from the upstream provider (Massdrop).)
+ $(info There are currently questions about valid licensing, and at this stage it's likely)
+ $(info their boards and supporting code will be removed from QMK in the near future. Please)
+ $(info contact Massdrop for support, and encourage them to align their future board design)
+ $(info choices to gain proper license compatibility with QMK.)
+ $(info @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@)
+
+# Convert hex to bin.
+bin: $(BUILD_DIR)/$(TARGET).hex
+ $(OBJCOPY) -Iihex -Obinary $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
+ $(COPY) $(BUILD_DIR)/$(TARGET).bin $(TARGET).bin;
diff --git a/platforms/arm_atsam/platform_deps.h b/platforms/arm_atsam/platform_deps.h
new file mode 100644
index 0000000000..f296d1d535
--- /dev/null
+++ b/platforms/arm_atsam/platform_deps.h
@@ -0,0 +1,18 @@
+/* Copyright 2021 QMK
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+// here just to please the build
diff --git a/platforms/arm_atsam/suspend.c b/platforms/arm_atsam/suspend.c
new file mode 100644
index 0000000000..e51426128d
--- /dev/null
+++ b/platforms/arm_atsam/suspend.c
@@ -0,0 +1,77 @@
+#include "matrix.h"
+#include "i2c_master.h"
+#include "md_rgb_matrix.h"
+#include "suspend.h"
+
+/** \brief Suspend idle
+ *
+ * FIXME: needs doc
+ */
+void suspend_idle(uint8_t time) { /* Note: Not used anywhere currently */
+}
+
+/** \brief Run user level Power down
+ *
+ * FIXME: needs doc
+ */
+__attribute__((weak)) void suspend_power_down_user(void) {}
+
+/** \brief Run keyboard level Power down
+ *
+ * FIXME: needs doc
+ */
+__attribute__((weak)) void suspend_power_down_kb(void) { suspend_power_down_user(); }
+
+/** \brief Suspend power down
+ *
+ * FIXME: needs doc
+ */
+void suspend_power_down(void) {
+#ifdef RGB_MATRIX_ENABLE
+ I2C3733_Control_Set(0); // Disable LED driver
+#endif
+
+ suspend_power_down_kb();
+}
+
+__attribute__((weak)) void matrix_power_up(void) {}
+__attribute__((weak)) void matrix_power_down(void) {}
+bool suspend_wakeup_condition(void) {
+ matrix_power_up();
+ matrix_scan();
+ matrix_power_down();
+ for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
+ if (matrix_get_row(r)) return true;
+ }
+ return false;
+}
+
+/** \brief run user level code immediately after wakeup
+ *
+ * FIXME: needs doc
+ */
+__attribute__((weak)) void suspend_wakeup_init_user(void) {}
+
+/** \brief run keyboard level code immediately after wakeup
+ *
+ * FIXME: needs doc
+ */
+__attribute__((weak)) void suspend_wakeup_init_kb(void) { suspend_wakeup_init_user(); }
+
+/** \brief run immediately after wakeup
+ *
+ * FIXME: needs doc
+ */
+void suspend_wakeup_init(void) {
+#ifdef RGB_MATRIX_ENABLE
+# ifdef USE_MASSDROP_CONFIGURATOR
+ if (led_enabled) {
+ I2C3733_Control_Set(1);
+ }
+# else
+ I2C3733_Control_Set(1);
+# endif
+#endif
+
+ suspend_wakeup_init_kb();
+}
diff --git a/platforms/arm_atsam/timer.c b/platforms/arm_atsam/timer.c
new file mode 100644
index 0000000000..b835dd5e75
--- /dev/null
+++ b/platforms/arm_atsam/timer.c
@@ -0,0 +1,19 @@
+#include "samd51j18a.h"
+#include "timer.h"
+#include "tmk_core/protocol/arm_atsam/clks.h"
+
+void set_time(uint64_t tset) { ms_clk = tset; }
+
+void timer_init(void) { timer_clear(); }
+
+uint16_t timer_read(void) { return (uint16_t)ms_clk; }
+
+uint32_t timer_read32(void) { return (uint32_t)ms_clk; }
+
+uint64_t timer_read64(void) { return ms_clk; }
+
+uint16_t timer_elapsed(uint16_t tlast) { return TIMER_DIFF_16(timer_read(), tlast); }
+
+uint32_t timer_elapsed32(uint32_t tlast) { return TIMER_DIFF_32(timer_read32(), tlast); }
+
+void timer_clear(void) { set_time(0); }
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 19:58:10 +0000