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-rw-r--r--docs/flashing.md2
-rw-r--r--platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xC_tinyuf2.ld88
-rw-r--r--platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xE_tinyuf2.ld88
-rw-r--r--quantum/mcu_selection.mk7
4 files changed, 183 insertions, 2 deletions
diff --git a/docs/flashing.md b/docs/flashing.md
index fae9c5d1c..7b7fe956f 100644
--- a/docs/flashing.md
+++ b/docs/flashing.md
@@ -298,7 +298,7 @@ Flashing sequence:
298 298
299## tinyuf2 299## tinyuf2
300 300
301Keyboards may opt into supporting the tinyuf2 bootloader. This is currently only supported on the F411 blackpill. 301Keyboards may opt into supporting the tinyuf2 bootloader. This is currently only supported on the F401/F411 blackpill.
302 302
303The `rules.mk` setting for this bootloader is `tinyuf2`, and can be specified at the keymap or user level. 303The `rules.mk` setting for this bootloader is `tinyuf2`, and can be specified at the keymap or user level.
304 304
diff --git a/platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xC_tinyuf2.ld b/platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xC_tinyuf2.ld
new file mode 100644
index 000000000..f4e487dc8
--- /dev/null
+++ b/platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xC_tinyuf2.ld
@@ -0,0 +1,88 @@
1/*
2 ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
3
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
7
8 http://www.apache.org/licenses/LICENSE-2.0
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15*/
16
17/*
18 * STM32F401xC memory setup.
19 */
20MEMORY
21{
22 flash0 (rx) : org = 0x08000000 + 64k, len = 256k - 64k /* tinyuf2 bootloader requires app to be located at 64k offset for this MCU */
23 flash1 (rx) : org = 0x00000000, len = 0
24 flash2 (rx) : org = 0x00000000, len = 0
25 flash3 (rx) : org = 0x00000000, len = 0
26 flash4 (rx) : org = 0x00000000, len = 0
27 flash5 (rx) : org = 0x00000000, len = 0
28 flash6 (rx) : org = 0x00000000, len = 0
29 flash7 (rx) : org = 0x00000000, len = 0
30 ram0 (wx) : org = 0x20000000, len = 64k
31 ram1 (wx) : org = 0x00000000, len = 0
32 ram2 (wx) : org = 0x00000000, len = 0
33 ram3 (wx) : org = 0x00000000, len = 0
34 ram4 (wx) : org = 0x00000000, len = 0
35 ram5 (wx) : org = 0x00000000, len = 0
36 ram6 (wx) : org = 0x00000000, len = 0
37 ram7 (wx) : org = 0x00000000, len = 0
38}
39
40/* For each data/text section two region are defined, a virtual region
41 and a load region (_LMA suffix).*/
42
43/* Flash region to be used for exception vectors.*/
44REGION_ALIAS("VECTORS_FLASH", flash0);
45REGION_ALIAS("VECTORS_FLASH_LMA", flash0);
46
47/* Flash region to be used for constructors and destructors.*/
48REGION_ALIAS("XTORS_FLASH", flash0);
49REGION_ALIAS("XTORS_FLASH_LMA", flash0);
50
51/* Flash region to be used for code text.*/
52REGION_ALIAS("TEXT_FLASH", flash0);
53REGION_ALIAS("TEXT_FLASH_LMA", flash0);
54
55/* Flash region to be used for read only data.*/
56REGION_ALIAS("RODATA_FLASH", flash0);
57REGION_ALIAS("RODATA_FLASH_LMA", flash0);
58
59/* Flash region to be used for various.*/
60REGION_ALIAS("VARIOUS_FLASH", flash0);
61REGION_ALIAS("VARIOUS_FLASH_LMA", flash0);
62
63/* Flash region to be used for RAM(n) initialization data.*/
64REGION_ALIAS("RAM_INIT_FLASH_LMA", flash0);
65
66/* RAM region to be used for Main stack. This stack accommodates the processing
67 of all exceptions and interrupts.*/
68REGION_ALIAS("MAIN_STACK_RAM", ram0);
69
70/* RAM region to be used for the process stack. This is the stack used by
71 the main() function.*/
72REGION_ALIAS("PROCESS_STACK_RAM", ram0);
73
74/* RAM region to be used for data segment.*/
75REGION_ALIAS("DATA_RAM", ram0);
76REGION_ALIAS("DATA_RAM_LMA", flash0);
77
78/* RAM region to be used for BSS segment.*/
79REGION_ALIAS("BSS_RAM", ram0);
80
81/* RAM region to be used for the default heap.*/
82REGION_ALIAS("HEAP_RAM", ram0);
83
84/* Generic rules inclusion.*/
85INCLUDE rules.ld
86
87/* TinyUF2 bootloader reset support */
88_board_dfu_dbl_tap = ORIGIN(ram0) + 64k - 4; /* this is based off the linker file for tinyuf2 */
diff --git a/platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xE_tinyuf2.ld b/platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xE_tinyuf2.ld
new file mode 100644
index 000000000..895d13fa3
--- /dev/null
+++ b/platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xE_tinyuf2.ld
@@ -0,0 +1,88 @@
1/*
2 ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
3
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
7
8 http://www.apache.org/licenses/LICENSE-2.0
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15*/
16
17/*
18 * STM32F401xE memory setup.
19 */
20MEMORY
21{
22 flash0 (rx) : org = 0x08000000 + 64k, len = 512k - 64k /* tinyuf2 bootloader requires app to be located at 64k offset for this MCU */
23 flash1 (rx) : org = 0x00000000, len = 0
24 flash2 (rx) : org = 0x00000000, len = 0
25 flash3 (rx) : org = 0x00000000, len = 0
26 flash4 (rx) : org = 0x00000000, len = 0
27 flash5 (rx) : org = 0x00000000, len = 0
28 flash6 (rx) : org = 0x00000000, len = 0
29 flash7 (rx) : org = 0x00000000, len = 0
30 ram0 (wx) : org = 0x20000000, len = 96k
31 ram1 (wx) : org = 0x00000000, len = 0
32 ram2 (wx) : org = 0x00000000, len = 0
33 ram3 (wx) : org = 0x00000000, len = 0
34 ram4 (wx) : org = 0x00000000, len = 0
35 ram5 (wx) : org = 0x00000000, len = 0
36 ram6 (wx) : org = 0x00000000, len = 0
37 ram7 (wx) : org = 0x00000000, len = 0
38}
39
40/* For each data/text section two region are defined, a virtual region
41 and a load region (_LMA suffix).*/
42
43/* Flash region to be used for exception vectors.*/
44REGION_ALIAS("VECTORS_FLASH", flash0);
45REGION_ALIAS("VECTORS_FLASH_LMA", flash0);
46
47/* Flash region to be used for constructors and destructors.*/
48REGION_ALIAS("XTORS_FLASH", flash0);
49REGION_ALIAS("XTORS_FLASH_LMA", flash0);
50
51/* Flash region to be used for code text.*/
52REGION_ALIAS("TEXT_FLASH", flash0);
53REGION_ALIAS("TEXT_FLASH_LMA", flash0);
54
55/* Flash region to be used for read only data.*/
56REGION_ALIAS("RODATA_FLASH", flash0);
57REGION_ALIAS("RODATA_FLASH_LMA", flash0);
58
59/* Flash region to be used for various.*/
60REGION_ALIAS("VARIOUS_FLASH", flash0);
61REGION_ALIAS("VARIOUS_FLASH_LMA", flash0);
62
63/* Flash region to be used for RAM(n) initialization data.*/
64REGION_ALIAS("RAM_INIT_FLASH_LMA", flash0);
65
66/* RAM region to be used for Main stack. This stack accommodates the processing
67 of all exceptions and interrupts.*/
68REGION_ALIAS("MAIN_STACK_RAM", ram0);
69
70/* RAM region to be used for the process stack. This is the stack used by
71 the main() function.*/
72REGION_ALIAS("PROCESS_STACK_RAM", ram0);
73
74/* RAM region to be used for data segment.*/
75REGION_ALIAS("DATA_RAM", ram0);
76REGION_ALIAS("DATA_RAM_LMA", flash0);
77
78/* RAM region to be used for BSS segment.*/
79REGION_ALIAS("BSS_RAM", ram0);
80
81/* RAM region to be used for the default heap.*/
82REGION_ALIAS("HEAP_RAM", ram0);
83
84/* Generic rules inclusion.*/
85INCLUDE rules.ld
86
87/* TinyUF2 bootloader reset support */
88_board_dfu_dbl_tap = ORIGIN(ram0) + 64k - 4; /* this is based off the linker file for tinyuf2 */
diff --git a/quantum/mcu_selection.mk b/quantum/mcu_selection.mk
index dc441d27b..f7eaeec8a 100644
--- a/quantum/mcu_selection.mk
+++ b/quantum/mcu_selection.mk
@@ -252,7 +252,12 @@ ifneq ($(findstring STM32F401, $(MCU)),)
252 # Linker script to use 252 # Linker script to use
253 # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/ 253 # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
254 # or <keyboard_dir>/ld/ 254 # or <keyboard_dir>/ld/
255 MCU_LDSCRIPT ?= STM32F401xC 255 ifeq ($(strip $(BOOTLOADER)), tinyuf2)
256 MCU_LDSCRIPT ?= STM32F401xC_tinyuf2
257 FIRMWARE_FORMAT ?= uf2
258 else
259 MCU_LDSCRIPT ?= STM32F401xC
260 endif
256 261
257 # Startup code to use 262 # Startup code to use
258 # - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/ 263 # - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-13 21:34:17 +0000