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-rw-r--r--platforms/chibios/boards/BLACKPILL_STM32_F401/configs/bootloader_defs.h5
-rw-r--r--platforms/chibios/boards/BLACKPILL_STM32_F411/configs/bootloader_defs.h5
-rw-r--r--platforms/chibios/boards/GENERIC_STM32_F042X6/configs/bootloader_defs.h5
-rw-r--r--platforms/chibios/boards/GENERIC_STM32_F072XB/configs/bootloader_defs.h5
-rw-r--r--platforms/chibios/boards/GENERIC_STM32_F303XC/configs/bootloader_defs.h5
-rw-r--r--platforms/chibios/boards/GENERIC_STM32_F405XG/configs/config.h2
-rw-r--r--platforms/chibios/boards/GENERIC_STM32_F407XE/configs/config.h2
-rw-r--r--platforms/chibios/boards/GENERIC_STM32_F446XE/configs/config.h2
-rw-r--r--platforms/chibios/boards/GENERIC_STM32_L412XB/configs/config.h1
-rw-r--r--platforms/chibios/boards/GENERIC_STM32_L433XC/configs/config.h1
-rw-r--r--platforms/chibios/boards/GENERIC_WB32_F3G71XX/configs/bootloader_defs.h12
-rw-r--r--platforms/chibios/boards/QMK_PROTON_C/configs/bootloader_defs.h7
-rw-r--r--platforms/chibios/bootloader.c145
-rw-r--r--platforms/chibios/bootloaders/gd32v_dfu.c40
-rw-r--r--platforms/chibios/bootloaders/halfkay.c (renamed from platforms/chibios/boards/GENERIC_STM32_G431XB/configs/config.h)20
-rw-r--r--platforms/chibios/bootloaders/kiibohd.c32
-rw-r--r--platforms/chibios/bootloaders/none.c19
-rw-r--r--platforms/chibios/bootloaders/stm32_dfu.c94
-rw-r--r--platforms/chibios/bootloaders/stm32duino.c21
-rw-r--r--platforms/chibios/bootloaders/tinyuf2.c34
-rw-r--r--platforms/chibios/drivers/i2c_master.c59
-rw-r--r--platforms/chibios/drivers/i2c_master.h61
-rw-r--r--platforms/chibios/gpio.h24
23 files changed, 320 insertions, 281 deletions
diff --git a/platforms/chibios/boards/BLACKPILL_STM32_F401/configs/bootloader_defs.h b/platforms/chibios/boards/BLACKPILL_STM32_F401/configs/bootloader_defs.h
deleted file mode 100644
index 4da3d39a32..0000000000
--- a/platforms/chibios/boards/BLACKPILL_STM32_F401/configs/bootloader_defs.h
+++ /dev/null
@@ -1,5 +0,0 @@
-/* Address for jumping to bootloader on STM32 chips. */
-/* It is chip dependent, the correct number can be looked up here:
- * http://www.st.com/web/en/resource/technical/document/application_note/CD00167594.pdf
- */
-#define STM32_BOOTLOADER_ADDRESS 0x1FFF0000
diff --git a/platforms/chibios/boards/BLACKPILL_STM32_F411/configs/bootloader_defs.h b/platforms/chibios/boards/BLACKPILL_STM32_F411/configs/bootloader_defs.h
deleted file mode 100644
index 4da3d39a32..0000000000
--- a/platforms/chibios/boards/BLACKPILL_STM32_F411/configs/bootloader_defs.h
+++ /dev/null
@@ -1,5 +0,0 @@
-/* Address for jumping to bootloader on STM32 chips. */
-/* It is chip dependent, the correct number can be looked up here:
- * http://www.st.com/web/en/resource/technical/document/application_note/CD00167594.pdf
- */
-#define STM32_BOOTLOADER_ADDRESS 0x1FFF0000
diff --git a/platforms/chibios/boards/GENERIC_STM32_F042X6/configs/bootloader_defs.h b/platforms/chibios/boards/GENERIC_STM32_F042X6/configs/bootloader_defs.h
deleted file mode 100644
index 25113425a6..0000000000
--- a/platforms/chibios/boards/GENERIC_STM32_F042X6/configs/bootloader_defs.h
+++ /dev/null
@@ -1,5 +0,0 @@
-/* Address for jumping to bootloader on STM32 chips. */
-/* It is chip dependent, the correct number can be looked up here:
- * http://www.st.com/web/en/resource/technical/document/application_note/CD00167594.pdf
- */
-#define STM32_BOOTLOADER_ADDRESS 0x1FFFC400
diff --git a/platforms/chibios/boards/GENERIC_STM32_F072XB/configs/bootloader_defs.h b/platforms/chibios/boards/GENERIC_STM32_F072XB/configs/bootloader_defs.h
deleted file mode 100644
index dccd0fa5d1..0000000000
--- a/platforms/chibios/boards/GENERIC_STM32_F072XB/configs/bootloader_defs.h
+++ /dev/null
@@ -1,5 +0,0 @@
-/* Address for jumping to bootloader on STM32 chips. */
-/* It is chip dependent, the correct number can be looked up here (page 175):
- * http://www.st.com/web/en/resource/technical/document/application_note/CD00167594.pdf
- */
-#define STM32_BOOTLOADER_ADDRESS 0x1FFFC800
diff --git a/platforms/chibios/boards/GENERIC_STM32_F303XC/configs/bootloader_defs.h b/platforms/chibios/boards/GENERIC_STM32_F303XC/configs/bootloader_defs.h
deleted file mode 100644
index 87ac7b10dc..0000000000
--- a/platforms/chibios/boards/GENERIC_STM32_F303XC/configs/bootloader_defs.h
+++ /dev/null
@@ -1,5 +0,0 @@
-/* Address for jumping to bootloader on STM32 chips. */
-/* It is chip dependent, the correct number can be looked up here:
- * http://www.st.com/web/en/resource/technical/document/application_note/CD00167594.pdf
- */
-#define STM32_BOOTLOADER_ADDRESS 0x1FFFD800
diff --git a/platforms/chibios/boards/GENERIC_STM32_F405XG/configs/config.h b/platforms/chibios/boards/GENERIC_STM32_F405XG/configs/config.h
index cc52a953ed..90a41326a1 100644
--- a/platforms/chibios/boards/GENERIC_STM32_F405XG/configs/config.h
+++ b/platforms/chibios/boards/GENERIC_STM32_F405XG/configs/config.h
@@ -17,7 +17,7 @@
/* Address for jumping to bootloader on STM32 chips. */
/* It is chip dependent, the correct number can be looked up by checking against ST's application note AN2606.
*/
-#define STM32_BOOTLOADER_ADDRESS 0x1FFF0000
+
#ifndef EARLY_INIT_PERFORM_BOOTLOADER_JUMP
# define EARLY_INIT_PERFORM_BOOTLOADER_JUMP TRUE
#endif
diff --git a/platforms/chibios/boards/GENERIC_STM32_F407XE/configs/config.h b/platforms/chibios/boards/GENERIC_STM32_F407XE/configs/config.h
index cc52a953ed..90a41326a1 100644
--- a/platforms/chibios/boards/GENERIC_STM32_F407XE/configs/config.h
+++ b/platforms/chibios/boards/GENERIC_STM32_F407XE/configs/config.h
@@ -17,7 +17,7 @@
/* Address for jumping to bootloader on STM32 chips. */
/* It is chip dependent, the correct number can be looked up by checking against ST's application note AN2606.
*/
-#define STM32_BOOTLOADER_ADDRESS 0x1FFF0000
+
#ifndef EARLY_INIT_PERFORM_BOOTLOADER_JUMP
# define EARLY_INIT_PERFORM_BOOTLOADER_JUMP TRUE
#endif
diff --git a/platforms/chibios/boards/GENERIC_STM32_F446XE/configs/config.h b/platforms/chibios/boards/GENERIC_STM32_F446XE/configs/config.h
index cc52a953ed..90a41326a1 100644
--- a/platforms/chibios/boards/GENERIC_STM32_F446XE/configs/config.h
+++ b/platforms/chibios/boards/GENERIC_STM32_F446XE/configs/config.h
@@ -17,7 +17,7 @@
/* Address for jumping to bootloader on STM32 chips. */
/* It is chip dependent, the correct number can be looked up by checking against ST's application note AN2606.
*/
-#define STM32_BOOTLOADER_ADDRESS 0x1FFF0000
+
#ifndef EARLY_INIT_PERFORM_BOOTLOADER_JUMP
# define EARLY_INIT_PERFORM_BOOTLOADER_JUMP TRUE
#endif
diff --git a/platforms/chibios/boards/GENERIC_STM32_L412XB/configs/config.h b/platforms/chibios/boards/GENERIC_STM32_L412XB/configs/config.h
index c27c61b19a..fc9055ccfb 100644
--- a/platforms/chibios/boards/GENERIC_STM32_L412XB/configs/config.h
+++ b/platforms/chibios/boards/GENERIC_STM32_L412XB/configs/config.h
@@ -17,7 +17,6 @@
/* Address for jumping to bootloader on STM32 chips. */
/* It is chip dependent, the correct number can be looked up by checking against ST's application note AN2606.
*/
-#define STM32_BOOTLOADER_ADDRESS 0x1FFF0000
#define PAL_STM32_OSPEED_HIGHEST PAL_STM32_OSPEED_HIGH
diff --git a/platforms/chibios/boards/GENERIC_STM32_L433XC/configs/config.h b/platforms/chibios/boards/GENERIC_STM32_L433XC/configs/config.h
index c27c61b19a..fc9055ccfb 100644
--- a/platforms/chibios/boards/GENERIC_STM32_L433XC/configs/config.h
+++ b/platforms/chibios/boards/GENERIC_STM32_L433XC/configs/config.h
@@ -17,7 +17,6 @@
/* Address for jumping to bootloader on STM32 chips. */
/* It is chip dependent, the correct number can be looked up by checking against ST's application note AN2606.
*/
-#define STM32_BOOTLOADER_ADDRESS 0x1FFF0000
#define PAL_STM32_OSPEED_HIGHEST PAL_STM32_OSPEED_HIGH
diff --git a/platforms/chibios/boards/GENERIC_WB32_F3G71XX/configs/bootloader_defs.h b/platforms/chibios/boards/GENERIC_WB32_F3G71XX/configs/bootloader_defs.h
deleted file mode 100644
index c929d2ad03..0000000000
--- a/platforms/chibios/boards/GENERIC_WB32_F3G71XX/configs/bootloader_defs.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/* Address for jumping to bootloader on WB32 chips. */
-/* It is chip dependent, the correct number can be looked up here:
- * http://www.westberrytech.com/down/mcu/data/WB32F3G71xx_rm.pdf
- */
-#ifndef WB32_BOOTLOADER_ADDRESS
-# undef STM32_BOOTLOADER_ADDRESS
-# define WB32_BOOTLOADER_ADDRESS 0x1FFFE000
-# define STM32_BOOTLOADER_ADDRESS WB32_BOOTLOADER_ADDRESS
-#else
-# undef STM32_BOOTLOADER_ADDRESS
-# define STM32_BOOTLOADER_ADDRESS WB32_BOOTLOADER_ADDRESS
-#endif
diff --git a/platforms/chibios/boards/QMK_PROTON_C/configs/bootloader_defs.h b/platforms/chibios/boards/QMK_PROTON_C/configs/bootloader_defs.h
deleted file mode 100644
index 3b0e9d20a6..0000000000
--- a/platforms/chibios/boards/QMK_PROTON_C/configs/bootloader_defs.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* Address for jumping to bootloader on STM32 chips. */
-/* It is chip dependent, the correct number can be looked up here:
- * http://www.st.com/web/en/resource/technical/document/application_note/CD00167594.pdf
- * This also requires a patch to chibios:
- * <tmk_dir>/tmk_core/tool/chibios/ch-bootloader-jump.patch
- */
-#define STM32_BOOTLOADER_ADDRESS 0x1FFFD800
diff --git a/platforms/chibios/bootloader.c b/platforms/chibios/bootloader.c
deleted file mode 100644
index 58212948b0..0000000000
--- a/platforms/chibios/bootloader.c
+++ /dev/null
@@ -1,145 +0,0 @@
-#include "bootloader.h"
-
-#include <ch.h>
-#include <hal.h>
-#include "wait.h"
-
-/* This code should be checked whether it runs correctly on platforms */
-#define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0))
-#define BOOTLOADER_MAGIC 0xDEADBEEF
-#define MAGIC_ADDR (unsigned long *)(SYMVAL(__ram0_end__) - 4)
-
-#ifndef STM32_BOOTLOADER_DUAL_BANK
-# define STM32_BOOTLOADER_DUAL_BANK FALSE
-#endif
-
-#ifdef BOOTLOADER_TINYUF2
-
-# define DBL_TAP_MAGIC 0xf01669ef // From tinyuf2's board_api.h
-
-// defined by linker script
-extern uint32_t _board_dfu_dbl_tap[];
-# define DBL_TAP_REG _board_dfu_dbl_tap[0]
-
-void bootloader_jump(void) {
- DBL_TAP_REG = DBL_TAP_MAGIC;
- NVIC_SystemReset();
-}
-
-void enter_bootloader_mode_if_requested(void) { /* not needed, no two-stage reset */
-}
-
-#elif STM32_BOOTLOADER_DUAL_BANK
-
-// Need pin definitions
-# include "config_common.h"
-
-# ifndef STM32_BOOTLOADER_DUAL_BANK_GPIO
-# error "No STM32_BOOTLOADER_DUAL_BANK_GPIO defined, don't know which pin to toggle"
-# endif
-
-# ifndef STM32_BOOTLOADER_DUAL_BANK_POLARITY
-# define STM32_BOOTLOADER_DUAL_BANK_POLARITY 0
-# endif
-
-# ifndef STM32_BOOTLOADER_DUAL_BANK_DELAY
-# define STM32_BOOTLOADER_DUAL_BANK_DELAY 100000
-# endif
-
-extern uint32_t __ram0_end__;
-
-__attribute__((weak)) void bootloader_jump(void) {
- // For STM32 MCUs with dual-bank flash, and we're incapable of jumping to the bootloader. The first valid flash
- // bank is executed unconditionally after a reset, so it doesn't enter DFU unless BOOT0 is high. Instead, we do
- // it with hardware...in this case, we pull a GPIO high/low depending on the configuration, connects 3.3V to
- // BOOT0's RC charging circuit, lets it charge the capacitor, and issue a system reset. See the QMK discord
- // #hardware channel pins for an example circuit.
- palSetPadMode(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_MODE_OUTPUT_PUSHPULL);
-# if STM32_BOOTLOADER_DUAL_BANK_POLARITY
- palSetPad(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO));
-# else
- palClearPad(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO));
-# endif
-
- // Wait for a while for the capacitor to charge
- wait_ms(100);
-
- // Issue a system reset to get the ROM bootloader to execute, with BOOT0 high
- NVIC_SystemReset();
-}
-
-void enter_bootloader_mode_if_requested(void) {} // not needed at all, but if anybody attempts to invoke it....
-
-#elif defined(STM32_BOOTLOADER_ADDRESS) // STM32_BOOTLOADER_DUAL_BANK
-
-extern uint32_t __ram0_end__;
-
-__attribute__((weak)) void bootloader_jump(void) {
- *MAGIC_ADDR = BOOTLOADER_MAGIC; // set magic flag => reset handler will jump into boot loader
- NVIC_SystemReset();
-}
-
-void enter_bootloader_mode_if_requested(void) {
- unsigned long *check = MAGIC_ADDR;
- if (*check == BOOTLOADER_MAGIC) {
- *check = 0;
- __set_CONTROL(0);
- __set_MSP(*(__IO uint32_t *)STM32_BOOTLOADER_ADDRESS);
- __enable_irq();
-
- typedef void (*BootJump_t)(void);
- BootJump_t boot_jump = *(BootJump_t *)(STM32_BOOTLOADER_ADDRESS + 4);
- boot_jump();
- while (1)
- ;
- }
-}
-
-#elif defined(GD32VF103)
-
-# define DBGMCU_KEY_UNLOCK 0x4B5A6978
-# define DBGMCU_CMD_RESET 0x1
-
-__IO uint32_t *DBGMCU_KEY = (uint32_t *)DBGMCU_BASE + 0x0CU;
-__IO uint32_t *DBGMCU_CMD = (uint32_t *)DBGMCU_BASE + 0x08U;
-
-__attribute__((weak)) void bootloader_jump(void) {
- /* The MTIMER unit of the GD32VF103 doesn't have the MSFRST
- * register to generate a software reset request.
- * BUT instead two undocumented registers in the debug peripheral
- * that allow issueing a software reset. WHO would need the MSFRST
- * register anyway? Source:
- * https://github.com/esmil/gd32vf103inator/blob/master/include/gd32vf103/dbg.h */
- *DBGMCU_KEY = DBGMCU_KEY_UNLOCK;
- *DBGMCU_CMD = DBGMCU_CMD_RESET;
-}
-
-void enter_bootloader_mode_if_requested(void) { /* Jumping to bootloader is not possible from user code. */
-}
-
-#elif defined(KL2x) || defined(K20x) || defined(MK66F18) || defined(MIMXRT1062) // STM32_BOOTLOADER_DUAL_BANK // STM32_BOOTLOADER_ADDRESS
-/* Kinetis */
-
-# if defined(BOOTLOADER_KIIBOHD)
-/* Kiibohd Bootloader (MCHCK and Infinity KB) */
-# define SCB_AIRCR_VECTKEY_WRITEMAGIC 0x05FA0000
-const uint8_t sys_reset_to_loader_magic[] = "\xff\x00\x7fRESET TO LOADER\x7f\x00\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";
-__attribute__((weak)) void bootloader_jump(void) {
- void *volatile vbat = (void *)VBAT;
- __builtin_memcpy(vbat, (const void *)sys_reset_to_loader_magic, sizeof(sys_reset_to_loader_magic));
- // request reset
- SCB->AIRCR = SCB_AIRCR_VECTKEY_WRITEMAGIC | SCB_AIRCR_SYSRESETREQ_Msk;
-}
-
-# else /* defined(BOOTLOADER_KIIBOHD) */
-/* Default for Kinetis - expecting an ARM Teensy */
-# include "wait.h"
-__attribute__((weak)) void bootloader_jump(void) {
- wait_ms(100);
- __BKPT(0);
-}
-# endif /* defined(BOOTLOADER_KIIBOHD) */
-
-#else /* neither STM32 nor KINETIS */
-__attribute__((weak)) void bootloader_jump(void) {}
-#endif
diff --git a/platforms/chibios/bootloaders/gd32v_dfu.c b/platforms/chibios/bootloaders/gd32v_dfu.c
new file mode 100644
index 0000000000..baa7d1f882
--- /dev/null
+++ b/platforms/chibios/bootloaders/gd32v_dfu.c
@@ -0,0 +1,40 @@
+/* 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 "bootloader.h"
+
+#include <ch.h>
+#include <hal.h>
+
+#define DBGMCU_KEY_UNLOCK 0x4B5A6978
+#define DBGMCU_CMD_RESET 0x1
+
+__IO uint32_t *DBGMCU_KEY = (uint32_t *)DBGMCU_BASE + 0x0CU;
+__IO uint32_t *DBGMCU_CMD = (uint32_t *)DBGMCU_BASE + 0x08U;
+
+__attribute__((weak)) void bootloader_jump(void) {
+ /* The MTIMER unit of the GD32VF103 doesn't have the MSFRST
+ * register to generate a software reset request.
+ * BUT instead two undocumented registers in the debug peripheral
+ * that allow issueing a software reset. WHO would need the MSFRST
+ * register anyway? Source:
+ * https://github.com/esmil/gd32vf103inator/blob/master/include/gd32vf103/dbg.h */
+ *DBGMCU_KEY = DBGMCU_KEY_UNLOCK;
+ *DBGMCU_CMD = DBGMCU_CMD_RESET;
+}
+
+/* Jumping to bootloader is not possible from user code. */
+void enter_bootloader_mode_if_requested(void) {}
diff --git a/platforms/chibios/boards/GENERIC_STM32_G431XB/configs/config.h b/platforms/chibios/bootloaders/halfkay.c
index 39ce627e77..168c2abc23 100644
--- a/platforms/chibios/boards/GENERIC_STM32_G431XB/configs/config.h
+++ b/platforms/chibios/bootloaders/halfkay.c
@@ -1,8 +1,8 @@
-/* Copyright 2018-2020 Nick Brassel (@tzarc)
+/* 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 2 of the License, or
+ * 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,
@@ -14,10 +14,12 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-/* Address for jumping to bootloader on STM32 chips. */
-/* It is chip dependent, the correct number can be looked up here (page 175):
- * http://www.st.com/web/en/resource/technical/document/application_note/CD00167594.pdf
- * This also requires a patch to chibios:
- * <tmk_dir>/tmk_core/tool/chibios/ch-bootloader-jump.patch
- */
-#define STM32_BOOTLOADER_ADDRESS 0x1FFF0000
+#include "bootloader.h"
+
+#include <ch.h>
+#include "wait.h"
+
+__attribute__((weak)) void bootloader_jump(void) {
+ wait_ms(100);
+ __BKPT(0);
+}
diff --git a/platforms/chibios/bootloaders/kiibohd.c b/platforms/chibios/bootloaders/kiibohd.c
new file mode 100644
index 0000000000..911e807092
--- /dev/null
+++ b/platforms/chibios/bootloaders/kiibohd.c
@@ -0,0 +1,32 @@
+/* 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 "bootloader.h"
+
+#include <ch.h>
+
+/* Kiibohd Bootloader (MCHCK and Infinity KB) */
+#define SCB_AIRCR_VECTKEY_WRITEMAGIC 0x05FA0000
+
+const uint8_t sys_reset_to_loader_magic[] = "\xff\x00\x7fRESET TO LOADER\x7f\x00\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";
+
+__attribute__((weak)) void bootloader_jump(void) {
+ void *volatile vbat = (void *)VBAT;
+ __builtin_memcpy(vbat, (const void *)sys_reset_to_loader_magic, sizeof(sys_reset_to_loader_magic));
+
+ // request reset
+ SCB->AIRCR = SCB_AIRCR_VECTKEY_WRITEMAGIC | SCB_AIRCR_SYSRESETREQ_Msk;
+}
diff --git a/platforms/chibios/bootloaders/none.c b/platforms/chibios/bootloaders/none.c
new file mode 100644
index 0000000000..624fbe242a
--- /dev/null
+++ b/platforms/chibios/bootloaders/none.c
@@ -0,0 +1,19 @@
+/* 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 "bootloader.h"
+
+__attribute__((weak)) void bootloader_jump(void) {}
diff --git a/platforms/chibios/bootloaders/stm32_dfu.c b/platforms/chibios/bootloaders/stm32_dfu.c
new file mode 100644
index 0000000000..0a113570f7
--- /dev/null
+++ b/platforms/chibios/bootloaders/stm32_dfu.c
@@ -0,0 +1,94 @@
+/* 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 "bootloader.h"
+
+#include <ch.h>
+#include <hal.h>
+#include "wait.h"
+
+extern uint32_t __ram0_end__;
+
+#ifndef STM32_BOOTLOADER_DUAL_BANK
+# define STM32_BOOTLOADER_DUAL_BANK FALSE
+#endif
+
+#if STM32_BOOTLOADER_DUAL_BANK
+# include "config_common.h"
+
+# ifndef STM32_BOOTLOADER_DUAL_BANK_GPIO
+# error "No STM32_BOOTLOADER_DUAL_BANK_GPIO defined, don't know which pin to toggle"
+# endif
+
+# ifndef STM32_BOOTLOADER_DUAL_BANK_POLARITY
+# define STM32_BOOTLOADER_DUAL_BANK_POLARITY 0
+# endif
+
+# ifndef STM32_BOOTLOADER_DUAL_BANK_DELAY
+# define STM32_BOOTLOADER_DUAL_BANK_DELAY 100000
+# endif
+
+__attribute__((weak)) void bootloader_jump(void) {
+ // For STM32 MCUs with dual-bank flash, and we're incapable of jumping to the bootloader. The first valid flash
+ // bank is executed unconditionally after a reset, so it doesn't enter DFU unless BOOT0 is high. Instead, we do
+ // it with hardware...in this case, we pull a GPIO high/low depending on the configuration, connects 3.3V to
+ // BOOT0's RC charging circuit, lets it charge the capacitor, and issue a system reset. See the QMK discord
+ // #hardware channel pins for an example circuit.
+ palSetPadMode(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_MODE_OUTPUT_PUSHPULL);
+# if STM32_BOOTLOADER_DUAL_BANK_POLARITY
+ palSetPad(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO));
+# else
+ palClearPad(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO));
+# endif
+
+ // Wait for a while for the capacitor to charge
+ wait_ms(100);
+
+ // Issue a system reset to get the ROM bootloader to execute, with BOOT0 high
+ NVIC_SystemReset();
+}
+
+// not needed at all, but if anybody attempts to invoke it....
+void enter_bootloader_mode_if_requested(void) {}
+
+#else
+
+/* This code should be checked whether it runs correctly on platforms */
+# define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0))
+# define BOOTLOADER_MAGIC 0xDEADBEEF
+# define MAGIC_ADDR (unsigned long *)(SYMVAL(__ram0_end__) - 4)
+
+__attribute__((weak)) void bootloader_jump(void) {
+ *MAGIC_ADDR = BOOTLOADER_MAGIC; // set magic flag => reset handler will jump into boot loader
+ NVIC_SystemReset();
+}
+
+void enter_bootloader_mode_if_requested(void) {
+ unsigned long *check = MAGIC_ADDR;
+ if (*check == BOOTLOADER_MAGIC) {
+ *check = 0;
+ __set_CONTROL(0);
+ __set_MSP(*(__IO uint32_t *)STM32_BOOTLOADER_ADDRESS);
+ __enable_irq();
+
+ typedef void (*BootJump_t)(void);
+ BootJump_t boot_jump = *(BootJump_t *)(STM32_BOOTLOADER_ADDRESS + 4);
+ boot_jump();
+ while (1)
+ ;
+ }
+}
+#endif
diff --git a/platforms/chibios/bootloaders/stm32duino.c b/platforms/chibios/bootloaders/stm32duino.c
new file mode 100644
index 0000000000..dd1d551fa9
--- /dev/null
+++ b/platforms/chibios/bootloaders/stm32duino.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 "bootloader.h"
+
+#include <ch.h>
+
+__attribute__((weak)) void bootloader_jump(void) { NVIC_SystemReset(); }
diff --git a/platforms/chibios/bootloaders/tinyuf2.c b/platforms/chibios/bootloaders/tinyuf2.c
new file mode 100644
index 0000000000..9ffca5dec8
--- /dev/null
+++ b/platforms/chibios/bootloaders/tinyuf2.c
@@ -0,0 +1,34 @@
+/* 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 "bootloader.h"
+
+#include <ch.h>
+
+// From tinyuf2's board_api.h
+#define DBL_TAP_MAGIC 0xF01669EF
+
+// defined by linker script
+extern uint32_t _board_dfu_dbl_tap[];
+#define DBL_TAP_REG _board_dfu_dbl_tap[0]
+
+__attribute__((weak)) void bootloader_jump(void) {
+ DBL_TAP_REG = DBL_TAP_MAGIC;
+ NVIC_SystemReset();
+}
+
+/* not needed, no two-stage reset */
+void enter_bootloader_mode_if_requested(void) {}
diff --git a/platforms/chibios/drivers/i2c_master.c b/platforms/chibios/drivers/i2c_master.c
index 43591d56f8..4a5d4760d0 100644
--- a/platforms/chibios/drivers/i2c_master.c
+++ b/platforms/chibios/drivers/i2c_master.c
@@ -27,8 +27,67 @@
#include "quantum.h"
#include "i2c_master.h"
#include <string.h>
+#include <ch.h>
#include <hal.h>
+#ifndef I2C1_SCL_PIN
+# define I2C1_SCL_PIN B6
+#endif
+#ifndef I2C1_SDA_PIN
+# define I2C1_SDA_PIN B7
+#endif
+
+#ifdef USE_I2CV1
+# ifndef I2C1_OPMODE
+# define I2C1_OPMODE OPMODE_I2C
+# endif
+# ifndef I2C1_CLOCK_SPEED
+# define I2C1_CLOCK_SPEED 100000 /* 400000 */
+# endif
+# ifndef I2C1_DUTY_CYCLE
+# define I2C1_DUTY_CYCLE STD_DUTY_CYCLE /* FAST_DUTY_CYCLE_2 */
+# endif
+#else
+// The default timing values below configures the I2C clock to 400khz assuming a 72Mhz clock
+// For more info : https://www.st.com/en/embedded-software/stsw-stm32126.html
+# ifndef I2C1_TIMINGR_PRESC
+# define I2C1_TIMINGR_PRESC 0U
+# endif
+# ifndef I2C1_TIMINGR_SCLDEL
+# define I2C1_TIMINGR_SCLDEL 7U
+# endif
+# ifndef I2C1_TIMINGR_SDADEL
+# define I2C1_TIMINGR_SDADEL 0U
+# endif
+# ifndef I2C1_TIMINGR_SCLH
+# define I2C1_TIMINGR_SCLH 38U
+# endif
+# ifndef I2C1_TIMINGR_SCLL
+# define I2C1_TIMINGR_SCLL 129U
+# endif
+#endif
+
+#ifndef I2C_DRIVER
+# define I2C_DRIVER I2CD1
+#endif
+
+#ifdef USE_GPIOV1
+# ifndef I2C1_SCL_PAL_MODE
+# define I2C1_SCL_PAL_MODE PAL_MODE_ALTERNATE_OPENDRAIN
+# endif
+# ifndef I2C1_SDA_PAL_MODE
+# define I2C1_SDA_PAL_MODE PAL_MODE_ALTERNATE_OPENDRAIN
+# endif
+#else
+// The default PAL alternate modes are used to signal that the pins are used for I2C
+# ifndef I2C1_SCL_PAL_MODE
+# define I2C1_SCL_PAL_MODE 4
+# endif
+# ifndef I2C1_SDA_PAL_MODE
+# define I2C1_SDA_PAL_MODE 4
+# endif
+#endif
+
static uint8_t i2c_address;
static const I2CConfig i2cconfig = {
diff --git a/platforms/chibios/drivers/i2c_master.h b/platforms/chibios/drivers/i2c_master.h
index 5f082e9d1e..deee7ecc08 100644
--- a/platforms/chibios/drivers/i2c_master.h
+++ b/platforms/chibios/drivers/i2c_master.h
@@ -24,66 +24,7 @@
*/
#pragma once
-#include <ch.h>
-#include <hal.h>
-
-#ifndef I2C1_SCL_PIN
-# define I2C1_SCL_PIN B6
-#endif
-#ifndef I2C1_SDA_PIN
-# define I2C1_SDA_PIN B7
-#endif
-
-#ifdef USE_I2CV1
-# ifndef I2C1_OPMODE
-# define I2C1_OPMODE OPMODE_I2C
-# endif
-# ifndef I2C1_CLOCK_SPEED
-# define I2C1_CLOCK_SPEED 100000 /* 400000 */
-# endif
-# ifndef I2C1_DUTY_CYCLE
-# define I2C1_DUTY_CYCLE STD_DUTY_CYCLE /* FAST_DUTY_CYCLE_2 */
-# endif
-#else
-// The default timing values below configures the I2C clock to 400khz assuming a 72Mhz clock
-// For more info : https://www.st.com/en/embedded-software/stsw-stm32126.html
-# ifndef I2C1_TIMINGR_PRESC
-# define I2C1_TIMINGR_PRESC 0U
-# endif
-# ifndef I2C1_TIMINGR_SCLDEL
-# define I2C1_TIMINGR_SCLDEL 7U
-# endif
-# ifndef I2C1_TIMINGR_SDADEL
-# define I2C1_TIMINGR_SDADEL 0U
-# endif
-# ifndef I2C1_TIMINGR_SCLH
-# define I2C1_TIMINGR_SCLH 38U
-# endif
-# ifndef I2C1_TIMINGR_SCLL
-# define I2C1_TIMINGR_SCLL 129U
-# endif
-#endif
-
-#ifndef I2C_DRIVER
-# define I2C_DRIVER I2CD1
-#endif
-
-#ifdef USE_GPIOV1
-# ifndef I2C1_SCL_PAL_MODE
-# define I2C1_SCL_PAL_MODE PAL_MODE_ALTERNATE_OPENDRAIN
-# endif
-# ifndef I2C1_SDA_PAL_MODE
-# define I2C1_SDA_PAL_MODE PAL_MODE_ALTERNATE_OPENDRAIN
-# endif
-#else
-// The default PAL alternate modes are used to signal that the pins are used for I2C
-# ifndef I2C1_SCL_PAL_MODE
-# define I2C1_SCL_PAL_MODE 4
-# endif
-# ifndef I2C1_SDA_PAL_MODE
-# define I2C1_SDA_PAL_MODE 4
-# endif
-#endif
+#include <stdint.h>
typedef int16_t i2c_status_t;
diff --git a/platforms/chibios/gpio.h b/platforms/chibios/gpio.h
index 4d057f1cab..eb44a18f9c 100644
--- a/platforms/chibios/gpio.h
+++ b/platforms/chibios/gpio.h
@@ -22,10 +22,12 @@ typedef ioline_t pin_t;
/* Operation of GPIO by pin. */
-#define setPinInput(pin) palSetLineMode(pin, PAL_MODE_INPUT)
-#define setPinInputHigh(pin) palSetLineMode(pin, PAL_MODE_INPUT_PULLUP)
-#define setPinInputLow(pin) palSetLineMode(pin, PAL_MODE_INPUT_PULLDOWN)
-#define setPinOutput(pin) palSetLineMode(pin, PAL_MODE_OUTPUT_PUSHPULL)
+#define setPinInput(pin) palSetLineMode((pin), PAL_MODE_INPUT)
+#define setPinInputHigh(pin) palSetLineMode((pin), PAL_MODE_INPUT_PULLUP)
+#define setPinInputLow(pin) palSetLineMode((pin), PAL_MODE_INPUT_PULLDOWN)
+#define setPinOutputPushPull(pin) palSetLineMode((pin), PAL_MODE_OUTPUT_PUSHPULL)
+#define setPinOutputOpenDrain(pin) palSetLineMode((pin), PAL_MODE_OUTPUT_OPENDRAIN)
+#define setPinOutput(pin) setPinOutputPushPull(pin)
#define writePinHigh(pin) palSetLine(pin)
#define writePinLow(pin) palClearLine(pin)
@@ -34,17 +36,3 @@ typedef ioline_t pin_t;
#define readPin(pin) palReadLine(pin)
#define togglePin(pin) palToggleLine(pin)
-
-/* Operation of GPIO by port. */
-
-typedef uint16_t port_data_t;
-
-#define readPort(pin) palReadPort(PAL_PORT(pin))
-
-#define setPortBitInput(pin, bit) palSetPadMode(PAL_PORT(pin), bit, PAL_MODE_INPUT)
-#define setPortBitInputHigh(pin, bit) palSetPadMode(PAL_PORT(pin), bit, PAL_MODE_INPUT_PULLUP)
-#define setPortBitInputLow(pin, bit) palSetPadMode(PAL_PORT(pin), bit, PAL_MODE_INPUT_PULLDOWN)
-#define setPortBitOutput(pin, bit) palSetPadMode(PAL_PORT(pin), bit, PAL_MODE_OUTPUT_PUSHPULL)
-
-#define writePortBitLow(pin, bit) palClearLine(PAL_LINE(PAL_PORT(pin), bit))
-#define writePortBitHigh(pin, bit) palSetLine(PAL_LINE(PAL_PORT(pin), bit))