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authorNick Brassel <nick@tzarc.org>2022-07-02 15:18:50 +1000
committerGitHub <noreply@github.com>2022-07-02 15:18:50 +1000
commit5846b40f7444af96b0d8ddf3af9b558193c2475d (patch)
tree7bec13529ef3654ed290e68617eb1c659c05a49d /platforms/chibios/boards/common/ld
parent9f1c4f304d0597b7024d079eb358bb0c71be3ce8 (diff)
RP2040 emulated EEPROM. (#17519)
Diffstat (limited to 'platforms/chibios/boards/common/ld')
-rw-r--r--platforms/chibios/boards/common/ld/RP2040_FLASH_TIMECRIT.ld117
-rw-r--r--platforms/chibios/boards/common/ld/RP2040_rules_data_with_timecrit.ld46
2 files changed, 163 insertions, 0 deletions
diff --git a/platforms/chibios/boards/common/ld/RP2040_FLASH_TIMECRIT.ld b/platforms/chibios/boards/common/ld/RP2040_FLASH_TIMECRIT.ld
new file mode 100644
index 0000000000..66ed4ce086
--- /dev/null
+++ b/platforms/chibios/boards/common/ld/RP2040_FLASH_TIMECRIT.ld
@@ -0,0 +1,117 @@
+/*
+ ChibiOS - Copyright (C) 2006..2021 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/*
+ * RP2040 memory setup.
+ */
+MEMORY
+{
+ flash0 (rx) : org = 0x00000000, len = 16k /* ROM */
+ flash1 (rx) : org = 0x10000000, len = DEFINED(FLASH_LEN) ? FLASH_LEN : 2048k /* XIP */
+ flash2 (rx) : org = 0x00000000, len = 0
+ flash3 (rx) : org = 0x00000000, len = 0
+ flash4 (rx) : org = 0x00000000, len = 0
+ flash5 (rx) : org = 0x00000000, len = 0
+ flash6 (rx) : org = 0x00000000, len = 0
+ flash7 (rx) : org = 0x00000000, len = 0
+ ram0 (wx) : org = 0x20000000, len = 256k /* SRAM0 striped */
+ ram1 (wx) : org = 0x00000000, len = 256k /* SRAM0 non striped */
+ ram2 (wx) : org = 0x00000000, len = 0
+ ram3 (wx) : org = 0x00000000, len = 0
+ ram4 (wx) : org = 0x20040000, len = 4k /* SRAM4 */
+ ram5 (wx) : org = 0x20041000, len = 4k /* SRAM5 */
+ ram6 (wx) : org = 0x00000000, len = 0
+ ram7 (wx) : org = 0x20041f00, len = 256 /* SRAM5 boot */
+}
+
+/* For each data/text section two region are defined, a virtual region
+ and a load region (_LMA suffix).*/
+
+/* Flash region to be used for exception vectors.*/
+REGION_ALIAS("VECTORS_FLASH", flash1);
+REGION_ALIAS("VECTORS_FLASH_LMA", flash1);
+
+/* Flash region to be used for constructors and destructors.*/
+REGION_ALIAS("XTORS_FLASH", flash1);
+REGION_ALIAS("XTORS_FLASH_LMA", flash1);
+
+/* Flash region to be used for code text.*/
+REGION_ALIAS("TEXT_FLASH", flash1);
+REGION_ALIAS("TEXT_FLASH_LMA", flash1);
+
+/* Flash region to be used for read only data.*/
+REGION_ALIAS("RODATA_FLASH", flash1);
+REGION_ALIAS("RODATA_FLASH_LMA", flash1);
+
+/* Flash region to be used for various.*/
+REGION_ALIAS("VARIOUS_FLASH", flash1);
+REGION_ALIAS("VARIOUS_FLASH_LMA", flash1);
+
+/* Flash region to be used for RAM(n) initialization data.*/
+REGION_ALIAS("RAM_INIT_FLASH_LMA", flash1);
+
+/* RAM region to be used for Main stack. This stack accommodates the processing
+ of all exceptions and interrupts.*/
+REGION_ALIAS("MAIN_STACK_RAM", ram4);
+
+/* RAM region to be used for the process stack. This is the stack used by
+ the main() function.*/
+REGION_ALIAS("PROCESS_STACK_RAM", ram4);
+
+/* RAM region to be used for Main stack. This stack accommodates the processing
+ of all exceptions and interrupts.*/
+REGION_ALIAS("C1_MAIN_STACK_RAM", ram5);
+
+/* RAM region to be used for the process stack. This is the stack used by
+ the main() function.*/
+REGION_ALIAS("C1_PROCESS_STACK_RAM", ram5);
+
+/* RAM region to be used for data segment.*/
+REGION_ALIAS("DATA_RAM", ram0);
+REGION_ALIAS("DATA_RAM_LMA", flash1);
+
+/* RAM region to be used for BSS segment.*/
+REGION_ALIAS("BSS_RAM", ram0);
+
+/* RAM region to be used for the default heap.*/
+REGION_ALIAS("HEAP_RAM", ram0);
+
+SECTIONS
+{
+ .flash_begin : {
+ __flash_binary_start = .;
+ } > flash1
+
+ .boot2 : {
+ __boot2_start__ = .;
+ KEEP (*(.boot2))
+ __boot2_end__ = .;
+ } > flash1
+}
+
+/* Generic rules inclusion.*/
+INCLUDE rules_stacks.ld
+INCLUDE rules_stacks_c1.ld
+INCLUDE RP2040_rules_code_with_boot2.ld
+INCLUDE RP2040_rules_data_with_timecrit.ld
+INCLUDE rules_memory.ld
+
+SECTIONS
+{
+ .flash_end : {
+ __flash_binary_end = .;
+ } > flash1
+}
diff --git a/platforms/chibios/boards/common/ld/RP2040_rules_data_with_timecrit.ld b/platforms/chibios/boards/common/ld/RP2040_rules_data_with_timecrit.ld
new file mode 100644
index 0000000000..a9a47be983
--- /dev/null
+++ b/platforms/chibios/boards/common/ld/RP2040_rules_data_with_timecrit.ld
@@ -0,0 +1,46 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+SECTIONS
+{
+ .data : ALIGN(4)
+ {
+ PROVIDE(_textdata = LOADADDR(.data));
+ PROVIDE(_data = .);
+ __textdata_base__ = LOADADDR(.data);
+ __data_base__ = .;
+ *(vtable)
+ *(.time_critical*)
+ . = ALIGN(4);
+ *(.data)
+ *(.data.*)
+ *(.ramtext)
+ . = ALIGN(4);
+ PROVIDE(_edata = .);
+ __data_end__ = .;
+ } > DATA_RAM AT > DATA_RAM_LMA
+
+ .bss (NOLOAD) : ALIGN(4)
+ {
+ __bss_base__ = .;
+ *(.bss)
+ *(.bss.*)
+ *(COMMON)
+ . = ALIGN(4);
+ __bss_end__ = .;
+ PROVIDE(end = .);
+ } > BSS_RAM
+}