bsps/stm32h7: provide linkcmds for SRAM, FLASH_SDRAM and SRAM_SDRAM linking

Sponsored-By:	Precidata

5 files changed, 156 insertions, 2 deletions

diff --git a/spec/build/bsps/arm/stm32h7/grp.yml b/spec/build/bsps/arm/stm32h7/grp.yml
index 401b8b415a..6e7036b6aa 100644
--- a/spec/build/bsps/arm/stm32h7/grp.yml
+++ b/spec/build/bsps/arm/stm32h7/grp.yml
@@ -118,6 +118,12 @@ links:
 - role: build-dependency
   uid: linkcmdssdram
 - role: build-dependency
+  uid: linkcmdssram
+- role: build-dependency
+  uid: linkcmdssramsdram
+- role: build-dependency
+  uid: linkcmdsflashsdram
+- role: build-dependency
   uid: ../../bspopts
 type: build
 use-after: []
diff --git a/spec/build/bsps/arm/stm32h7/linkcmdsflashsdram.yml b/spec/build/bsps/arm/stm32h7/linkcmdsflashsdram.yml
new file mode 100644
index 0000000000..58f0701f8a
--- /dev/null
+++ b/spec/build/bsps/arm/stm32h7/linkcmdsflashsdram.yml
@@ -0,0 +1,49 @@
+build-type: script
+do-build: |
+  bld.install_as("${BSP_LIBDIR}/linkcmds.flash_sdram", "linkcmds.flash_sdram")
+do-configure: |
+  content = """INCLUDE linkcmds.memory
+
+  REGION_ALIAS ("REGION_START", FLASH);
+  REGION_ALIAS ("REGION_VECTOR", FLASH);
+  REGION_ALIAS ("REGION_TEXT", FLASH);
+  REGION_ALIAS ("REGION_TEXT_LOAD", FLASH);
+  REGION_ALIAS ("REGION_RODATA", FLASH);
+  REGION_ALIAS ("REGION_RODATA_LOAD", FLASH);
+  REGION_ALIAS ("REGION_DATA", SRAM_AXI);
+  REGION_ALIAS ("REGION_DATA_LOAD", FLASH);
+  REGION_ALIAS ("REGION_FAST_TEXT", ITCM);
+  REGION_ALIAS ("REGION_FAST_TEXT_LOAD", ITCM);
+  REGION_ALIAS ("REGION_FAST_DATA", DTCM);
+  REGION_ALIAS ("REGION_FAST_DATA_LOAD", DTCM);
+  REGION_ALIAS ("REGION_BSS", SRAM_AXI);
+  REGION_ALIAS ("REGION_WORK", SDRAM_2);
+  REGION_ALIAS ("REGION_STACK", SRAM_AXI);
+  REGION_ALIAS ("REGION_NOCACHE", SRAM_1);
+  REGION_ALIAS ("REGION_NOCACHE_LOAD", FLASH);
+
+  bsp_vector_table_in_start_section = 1;
+  """
+
+  if conf.env.STM32H7_ENABLE_MPU_ALIGNMENT:
+      content += """
+  bsp_align_text_and_rodata_end_to_power_of_2 = 1;
+  """
+
+  content += """
+  INCLUDE linkcmds.armv7m
+  """
+  f = conf.bldnode.make_node(
+      conf.env.VARIANT + "/linkcmds.flash_sdram"
+  )
+  f.parent.mkdir()
+  f.write(content)
+  conf.env.append_value("cfg_files", f.abspath())
+enabled-by: true
+links: []
+prepare-build: null
+prepare-configure: null
+type: build
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
diff --git a/spec/build/bsps/arm/stm32h7/linkcmdssram.yml b/spec/build/bsps/arm/stm32h7/linkcmdssram.yml
new file mode 100644
index 0000000000..808bff3627
--- /dev/null
+++ b/spec/build/bsps/arm/stm32h7/linkcmdssram.yml
@@ -0,0 +1,49 @@
+build-type: script
+do-build: |
+  bld.install_as("${BSP_LIBDIR}/linkcmds.sram", "linkcmds.sram")
+do-configure: |
+  content = """INCLUDE linkcmds.memory
+
+  REGION_ALIAS ("REGION_START", SRAM_AXI);
+  REGION_ALIAS ("REGION_VECTOR", SRAM_AXI);
+  REGION_ALIAS ("REGION_TEXT", SRAM_AXI);
+  REGION_ALIAS ("REGION_TEXT_LOAD", SRAM_AXI);
+  REGION_ALIAS ("REGION_RODATA", SRAM_AXI);
+  REGION_ALIAS ("REGION_RODATA_LOAD", SRAM_AXI);
+  REGION_ALIAS ("REGION_DATA", SRAM_AXI);
+  REGION_ALIAS ("REGION_DATA_LOAD", SRAM_AXI);
+  REGION_ALIAS ("REGION_FAST_TEXT", ITCM);
+  REGION_ALIAS ("REGION_FAST_TEXT_LOAD", ITCM);
+  REGION_ALIAS ("REGION_FAST_DATA", DTCM);
+  REGION_ALIAS ("REGION_FAST_DATA_LOAD", DTCM);
+  REGION_ALIAS ("REGION_BSS", SRAM_AXI);
+  REGION_ALIAS ("REGION_WORK", SRAM_AXI);
+  REGION_ALIAS ("REGION_STACK", SRAM_AXI);
+  REGION_ALIAS ("REGION_NOCACHE", SRAM_1);
+  REGION_ALIAS ("REGION_NOCACHE_LOAD", SRAM_AXI);
+
+  bsp_vector_table_in_start_section = 1;
+  """
+
+  if conf.env.STM32H7_ENABLE_MPU_ALIGNMENT:
+      content += """
+  bsp_align_text_and_rodata_end_to_power_of_2 = 1;
+  """
+
+  content += """
+  INCLUDE linkcmds.armv7m
+  """
+  f = conf.bldnode.make_node(
+      conf.env.VARIANT + "/linkcmds.sram"
+  )
+  f.parent.mkdir()
+  f.write(content)
+  conf.env.append_value("cfg_files", f.abspath())
+enabled-by: true
+links: []
+prepare-build: null
+prepare-configure: null
+type: build
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
diff --git a/spec/build/bsps/arm/stm32h7/linkcmdssramsdram.yml b/spec/build/bsps/arm/stm32h7/linkcmdssramsdram.yml
new file mode 100644
index 0000000000..9ed23d1544
--- /dev/null
+++ b/spec/build/bsps/arm/stm32h7/linkcmdssramsdram.yml
@@ -0,0 +1,49 @@
+build-type: script
+do-build: |
+  bld.install_as("${BSP_LIBDIR}/linkcmds.sram_sdram", "linkcmds.sram_sdram")
+do-configure: |
+  content = """INCLUDE linkcmds.memory
+
+  REGION_ALIAS ("REGION_START", SRAM_AXI);
+  REGION_ALIAS ("REGION_VECTOR", SRAM_AXI);
+  REGION_ALIAS ("REGION_TEXT", SRAM_AXI);
+  REGION_ALIAS ("REGION_TEXT_LOAD", SRAM_AXI);
+  REGION_ALIAS ("REGION_RODATA", SRAM_AXI);
+  REGION_ALIAS ("REGION_RODATA_LOAD", SRAM_AXI);
+  REGION_ALIAS ("REGION_DATA", SRAM_AXI);
+  REGION_ALIAS ("REGION_DATA_LOAD", SRAM_AXI);
+  REGION_ALIAS ("REGION_FAST_TEXT", ITCM);
+  REGION_ALIAS ("REGION_FAST_TEXT_LOAD", ITCM);
+  REGION_ALIAS ("REGION_FAST_DATA", DTCM);
+  REGION_ALIAS ("REGION_FAST_DATA_LOAD", DTCM);
+  REGION_ALIAS ("REGION_BSS", SRAM_AXI);
+  REGION_ALIAS ("REGION_WORK", SDRAM_2);
+  REGION_ALIAS ("REGION_STACK", SRAM_AXI);
+  REGION_ALIAS ("REGION_NOCACHE", SRAM_1);
+  REGION_ALIAS ("REGION_NOCACHE_LOAD", SRAM_AXI);
+
+  bsp_vector_table_in_start_section = 1;
+  """
+
+  if conf.env.STM32H7_ENABLE_MPU_ALIGNMENT:
+      content += """
+  bsp_align_text_and_rodata_end_to_power_of_2 = 1;
+  """
+
+  content += """
+  INCLUDE linkcmds.armv7m
+  """
+  f = conf.bldnode.make_node(
+      conf.env.VARIANT + "/linkcmds.sram_sdram"
+  )
+  f.parent.mkdir()
+  f.write(content)
+  conf.env.append_value("cfg_files", f.abspath())
+enabled-by: true
+links: []
+prepare-build: null
+prepare-configure: null
+type: build
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
diff --git a/spec/build/bsps/arm/stm32h7/optlinkcmds.yml b/spec/build/bsps/arm/stm32h7/optlinkcmds.yml
index a7281addd8..43af9c8613 100644
--- a/spec/build/bsps/arm/stm32h7/optlinkcmds.yml
+++ b/spec/build/bsps/arm/stm32h7/optlinkcmds.yml
@@ -13,8 +13,9 @@ format: '{}'
 links: []
 name: STM32H7_DEFAULT_LINKCMDS
 description: |
-  The default linker command file.  Must be either linkcmds.flash or
-  linkcmds.sdram.
+  The default linker command file.  Must be either linkcmds.flash,
+  linkcmds.sdram, linkcmds.sram, linkcmds.sram_sdram
+  or linkcmds.flash_sdram
 type: build
 SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
 copyrights: