From 945d7f6887663677eb0de38ca8b603b28e864919 Mon Sep 17 00:00:00 2001
From: kYc0o <fco.ja.ac@gmail.com>
Date: Tue, 17 Oct 2017 15:07:18 +0200
Subject: [PATCH] cpu/stm32_common: add stm32_mem_lengths.mk to calculate ROM
 and RAM lengths

---
 cpu/stm32_common/Makefile.include     |   6 +
 cpu/stm32_common/stm32_mem_lengths.mk | 309 ++++++++++++++++++++++++++
 2 files changed, 315 insertions(+)
 create mode 100644 cpu/stm32_common/stm32_mem_lengths.mk

diff --git a/cpu/stm32_common/Makefile.include b/cpu/stm32_common/Makefile.include
index ea7ac7c76b..13d4694a40 100644
--- a/cpu/stm32_common/Makefile.include
+++ b/cpu/stm32_common/Makefile.include
@@ -8,5 +8,11 @@ USEMODULE += periph_common
 # include stm32 common functions and stm32 common periph drivers
 USEMODULE += stm32_common stm32_common_periph
 
+# For stm32 cpu's we use the stm32_common.ld linker script
+export LINKFLAGS += -L$(RIOTCPU)/stm32_common/ldscripts
+LINKER_SCRIPT ?= stm32_common.ld
+
 # export the common include directory
 export INCLUDES += -I$(RIOTCPU)/stm32_common/include
+
+include $(RIOTCPU)/stm32_common/stm32_mem_lengths.mk
diff --git a/cpu/stm32_common/stm32_mem_lengths.mk b/cpu/stm32_common/stm32_mem_lengths.mk
new file mode 100644
index 0000000000..782b0983d1
--- /dev/null
+++ b/cpu/stm32_common/stm32_mem_lengths.mk
@@ -0,0 +1,309 @@
+# Set the common memory addresses for stm32 MCU family
+ROM_START_ADDR ?= 0x08000000
+RAM_START_ADDR ?= 0x20000000
+
+# The next block takes care of setting the rigth lengths of RAM and ROM
+# for the stm32 family. Most of the CPUs should have been taken into
+# account here, so no need to assign the lengths per model.
+STM32_INFO := $(shell printf '%s' '$(CPU_MODEL)' | tr 'a-z' 'A-Z' | sed -E -e 's/^STM32(F|L)(0|1|2|3|4|7)([0-9])([0-9])(.)(.)/\1 \2 \2\3\4 \3 \4 \5 \6/')
+STM32_TYPE     := $(word 1, $(STM32_INFO))
+STM32_FAMILY   := $(word 2, $(STM32_INFO))
+STM32_MODEL    := $(word 3, $(STM32_INFO))
+STM32_MODEL2   := $(word 4, $(STM32_INFO))
+STM32_MODEL3   := $(word 5, $(STM32_INFO))
+STM32_PINCOUNT := $(word 6, $(STM32_INFO))
+STM32_ROMSIZE  := $(word 7, $(STM32_INFO))
+
+ifeq ($(STM32_TYPE), F)
+  ifeq ($(STM32_FAMILY), 0)
+    ifeq ($(STM32_MODEL2), 3)
+      ifeq ($(STM32_MODEL3), 0)
+        ifneq (, $(filter $(STM32_ROMSIZE), 4 6))
+          RAM_LEN = 4K
+        else ifeq ($(STM32_ROMSIZE), 8)
+          RAM_LEN = 8K
+        else ifeq ($(STM32_ROMSIZE), C)
+          RAM_LEN = 32K
+        endif
+      else ifneq (, $(filter $(STM32_MODEL3), 1 8))
+        RAM_LEN = 4K
+      endif
+    else ifeq ($(STM32_MODEL2), 4)
+      RAM_LEN = 6K
+    else ifeq ($(STM32_MODEL2), 5)
+      RAM_LEN = 8K
+    else ifeq ($(STM32_MODEL2), 7)
+      ifeq ($(STM32_MODEL3), 0)
+        ifeq ($(STM32_ROMSIZE), 6)
+          RAM_LEN = 6K
+        else ifeq ($(STM32_ROMSIZE), B)
+          RAM_LEN = 16K
+        endif
+      else ifneq (, $(filter $(STM32_MODEL3), 1 2 8))
+        RAM_LEN = 16K
+      endif
+    else ifeq ($(STM32_MODEL2), 9)
+      RAM_LEN = 32K
+    endif
+  else ifeq ($(STM32_FAMILY), 1)
+    ifeq ($(STM32_MODEL2), 0)
+      ifeq ($(STM32_MODEL3), 0)
+        ifneq (, $(filter $(STM32_ROMSIZE), 4 6))
+          RAM_LEN = 4K
+        else ifneq (, $(filter $(STM32_ROMSIZE), 8 B))
+          RAM_LEN = 8K
+        else ifeq ($(STM32_ROMSIZE), C)
+          RAM_LEN = 24K
+        else ifneq (, $(filter $(STM32_ROMSIZE), E D))
+          RAM_LEN = 32K
+        endif
+      else ifneq (, $(filter $(STM32_MODEL3), 1 2))
+        ifeq ($(STM32_ROMSIZE), 4)
+          RAM_LEN = 4K
+        else ifeq ($(STM32_ROMSIZE), 6)
+          RAM_LEN = 6K
+        else ifeq ($(STM32_ROMSIZE), 8)
+          RAM_LEN = 10K
+        else ifeq ($(STM32_ROMSIZE), B)
+          RAM_LEN = 16K
+        else ifeq ($(STM32_ROMSIZE), C)
+          RAM_LEN = 32K
+        else ifneq (, $(filter $(STM32_ROMSIZE), D E))
+          RAM_LEN = 48K
+        else ifneq (, $(filter $(STM32_ROMSIZE), F G))
+          RAM_LEN = 80K
+        endif
+      else ifeq ($(STM32_MODEL3), 3)
+        ifeq ($(STM32_ROMSIZE), 4)
+          RAM_LEN = 6K
+        else ifeq ($(STM32_ROMSIZE), 6)
+          RAM_LEN = 10K
+        else ifneq (, $(filter $(STM32_ROMSIZE), 8 B))
+          RAM_LEN = 20K
+        else ifneq (, $(filter $(STM32_ROMSIZE), C D E))
+          RAM_LEN = 64K
+        else ifneq (, $(filter $(STM32_ROMSIZE), F G))
+          RAM_LEN = 96K
+        endif
+      endif
+    else ifneq (, $(filter $(STM32_MODEL), 105 107))
+        RAM_LEN = 64K
+    endif
+  else ifeq ($(STM32_FAMILY), 2)
+    ifeq ($(STM32_MODEL3), 5)
+      ifeq ($(STM32_ROMSIZE), B)
+        RAM_LEN = 64K
+      else ifeq ($(STM32_ROMSIZE), C)
+        RAM_LEN = 96K
+      else ifeq (, $(filter $(STM32_ROMSIZE), E F G))
+        RAM_LEN = 128K
+      endif
+    else ifeq ($(STM32_MODEL3), 7)
+      RAM_LEN = 128K
+    endif
+  else ifeq ($(STM32_FAMILY), 3)
+    ifeq ($(STM32_MODEL), 301)
+      RAM_LEN = 16K
+    else ifeq ($(STM32_MODEL), 302)
+      ifeq ($(STM32_ROMSIZE), 6)
+        RAM_LEN = 32K
+      else ifeq ($(STM32_ROMSIZE), 8)
+        RAM_LEN = 64K
+      else ifeq ($(STM32_ROMSIZE), B)
+        RAM_LEN = 128K
+      else ifeq ($(STM32_ROMSIZE), C)
+        RAM_LEN = 256K
+      else ifeq ($(STM32_ROMSIZE), D)
+        RAM_LEN = 384K
+      else ifeq ($(STM32_ROMSIZE), E)
+        RAM_LEN = 512K
+      endif
+    else ifeq ($(STM32_MODEL), 303)
+      ifneq (, $(filter $(STM32_ROMSIZE), 6 8))
+        RAM_LEN = 16K
+        CCMRAM_LEN = 4K
+      else ifeq ($(STM32_ROMSIZE), B)
+        RAM_LEN = 40K
+        CCMRAM_LEN = 8K
+      else ifeq ($(STM32_ROMSIZE), C)
+        RAM_LEN = 48K
+        CCMRAM_LEN = 8K
+      else ifneq (, $(filter $(STM32_ROMSIZE), D E))
+        RAM_LEN = 80K
+      endif
+    else ifeq ($(STM32_MODEL3), 4)
+      RAM_LEN = 16K
+      CCMRAM_LEN = 4K
+    else ifeq ($(STM32_MODEL), 373)
+      RAM_LEN = 32K
+    else ifeq ($(STM32_MODEL3), 8)
+      ifneq (, $(filter $(STM32_MODEL2), 1 2))
+        RAM_LEN = 16K
+        ifeq ($(STM32_MODEL2), 1)
+          CCMRAM_LEN = 4K
+        endif
+      else ifeq ($(STM32_MODEL2), 5)
+        RAM_LEN = 48K
+        CCMRAM_LEN = 8K
+      else ifeq ($(STM32_MODEL2), 7)
+        RAM_LEN = 32K
+      else ifeq ($(STM32_MODEL2), 9)
+        RAM_LEN = 80K
+        CCMRAM_LEN = 16K
+      endif
+  endif
+  else ifeq ($(STM32_FAMILY), 4)
+    ifeq ($(STM32_MODEL), 401)
+      ifneq (, $(filter $(STM32_ROMSIZE), B C))
+        RAM_LEN = 64K
+      else ifneq (, $(filter $(STM32_ROMSIZE), D E))
+        RAM_LEN = 96K
+      endif
+    else ifneq (, $(filter $(STM32_MODEL), 405 407))
+      RAM_LEN = 192K
+    else ifeq ($(STM32_MODEL), 410)
+      RAM_LEN = 32K
+    else ifneq (, $(filter $(STM32_MODEL), 411 446))
+      RAM_LEN = 128K
+    else ifneq (, $(filter $(STM32_MODEL), 412 427 429 437 439))
+      RAM_LEN = 256K
+    else ifneq (, $(filter $(STM32_MODEL), 413 423))
+      RAM_LEN = 320K
+    else ifneq (, $(filter $(STM32_MODEL), 415 417))
+      RAM_LEN = 192K
+    else ifneq (, $(filter $(STM32_MODEL), 469 479))
+      RAM_LEN = 384K
+    endif
+    ifneq (, $(filter $(STM32_MODEL3), 5 7 9))
+      CCMRAM_LEN = 64K
+    endif
+  else ifeq ($(STM32_FAMILY),7)
+    ifneq (, $(filter $(STM32_MODEL2), 2 3))
+      RAM_LEN = 256K
+    else ifneq (, $(filter $(STM32_MODEL2), 4 5))
+      RAM_LEN = 320K
+    else ifneq (, $(filter $(STM32_MODEL2), 6 7))
+      RAM_LEN = 512K
+    endif
+  endif
+else ifeq ($(STM32_TYPE), L)
+  ifeq ($(STM32_FAMILY), 0)
+    ifneq (, $(filter $(STM32_MODEL2), 1 2))
+      RAM_LEN = 2K
+    else ifneq (, $(filter $(STM32_MODEL2), 3 4 5 6))
+      RAM_LEN = 8K
+    else ifneq (, $(filter $(STM32_MODEL2), 7 8))
+      RAM_LEN = 20K
+    endif
+  else ifeq ($(STM32_FAMILY), 1)
+    ifeq ($(STM32_MODEL), 100)
+      ifeq ($(STM32_ROMSIZE), 6)
+        RAM_LEN = 4K
+      else ifeq ($(STM32_ROMSIZE), 8)
+        RAM_LEN = 8K
+      else ifneq (, $(filter $(STM32_ROMSIZE), B C))
+        RAM_LEN = 16K
+      endif
+    else ifneq (, $(filter $(STM32_MODEL), 151 152))
+      ifneq (, $(filter $(STM32_PINCOUNT), C Q U V Z))
+        ifeq ($(STM32_ROMSIZE), 6)
+          RAM_LEN = 16K
+        else ifneq (, $(filter $(STM32_ROMSIZE), 8 B C))
+          RAM_LEN = 32K
+        else ifeq ($(STM32_ROMSIZE), D)
+          RAM_LEN = 48K
+        else ifeq ($(STM32_ROMSIZE), E)
+          RAM_LEN = 80K
+        endif
+      else ifeq ($(STM32_PINCOUNT), R)
+        ifeq ($(STM32_ROMSIZE), 6)
+          RAM_LEN = 16K
+        else ifneq (, $(filter $(STM32_ROMSIZE), 8 C))
+          RAM_LEN = 32K
+        else ifeq ($(STM32_ROMSIZE), B)
+          RAM_LEN = 16K
+        else ifeq ($(STM32_ROMSIZE), D)
+          RAM_LEN = 48K
+        else ifeq ($(STM32_ROMSIZE), E)
+          RAM_LEN = 80K
+        endif
+      endif
+    endif
+  else ifeq ($(STM32_FAMILY), 4)
+    ifeq ($(STM32_MODEL2), 3)
+      RAM_LEN = 64K
+    else ifeq ($(STM32_MODEL2), 7)
+      RAM_LEN = 128K
+    else ifeq ($(STM32_MODEL2), 5)
+      RAM_LEN = 160K
+    else ifeq ($(STM32_MODEL2), 9)
+      RAM_LEN = 320K
+    endif
+  endif
+endif
+
+ifeq ($(RAM_LEN), )
+  $(warning Unsupported cpu model $(CPU_MODEL) automatically)
+endif
+
+ifeq ($(STM32_ROMSIZE), 4)
+  ROM_LEN = 16K
+else ifeq ($(STM32_ROMSIZE), 6)
+  ROM_LEN = 32K
+else ifeq ($(STM32_ROMSIZE), 8)
+  ROM_LEN = 64K
+else ifeq ($(STM32_ROMSIZE), B)
+  ROM_LEN = 128K
+else ifeq ($(STM32_ROMSIZE), Z)
+  ROM_LEN = 192K
+else ifeq ($(STM32_ROMSIZE), C)
+  ROM_LEN = 256K
+else ifeq ($(STM32_ROMSIZE), D)
+  ROM_LEN = 384K
+else ifeq ($(STM32_ROMSIZE), E)
+  ROM_LEN = 512K
+else ifeq ($(STM32_ROMSIZE), F)
+  ROM_LEN = 768K
+else ifeq ($(STM32_ROMSIZE), G)
+  ROM_LEN = 1024K
+else ifeq ($(STM32_ROMSIZE), H)
+  ROM_LEN = 1536K
+else ifeq ($(STM32_ROMSIZE), I)
+  ROM_LEN = 2048K
+endif
+
+ifeq ($(STM32_PINCOUNT), A)
+  STM32_PINCOUNT = 169
+else ifeq ($(STM32_PINCOUNT), B)
+  STM32_PINCOUNT = 208
+else ifeq ($(STM32_PINCOUNT), C)
+  STM32_PINCOUNT = 48
+else ifeq ($(STM32_PINCOUNT), F)
+  STM32_PINCOUNT = 20
+else ifeq ($(STM32_PINCOUNT), G)
+  STM32_PINCOUNT = 28
+else ifeq ($(STM32_PINCOUNT), H)
+  STM32_PINCOUNT = 40
+else ifeq ($(STM32_PINCOUNT), I)
+  STM32_PINCOUNT = 176
+else ifeq ($(STM32_PINCOUNT), J)
+  STM32_PINCOUNT = 72
+else ifeq ($(STM32_PINCOUNT), K)
+  STM32_PINCOUNT = 32
+else ifeq ($(STM32_PINCOUNT), M)
+  STM32_PINCOUNT = 81
+else ifeq ($(STM32_PINCOUNT), N)
+  STM32_PINCOUNT = 216
+else ifeq ($(STM32_PINCOUNT), Q)
+  STM32_PINCOUNT = 132
+else ifeq ($(STM32_PINCOUNT), R)
+  STM32_PINCOUNT = 64
+else ifeq ($(STM32_PINCOUNT), T)
+  STM32_PINCOUNT = 36
+else ifeq ($(STM32_PINCOUNT), U)
+  STM32_PINCOUNT = 63
+else ifeq ($(STM32_PINCOUNT), V)
+  STM32_PINCOUNT = 100
+else ifeq ($(STM32_PINCOUNT), Z)
+  STM32_PINCOUNT = 144
+endif
-- 
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