From 38811288848dc54414ebcc6739bdd5edcd2e85e5 Mon Sep 17 00:00:00 2001
From: Alexandre Abadie <alexandre.abadie@inria.fr>
Date: Thu, 12 Apr 2018 15:03:47 +0200
Subject: [PATCH] cpu/stm32_common: extend memory lengths support

---
 cpu/stm32_common/stm32_mem_lengths.mk | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cpu/stm32_common/stm32_mem_lengths.mk b/cpu/stm32_common/stm32_mem_lengths.mk
index 68f7268cdd..8d2298d967 100644
--- a/cpu/stm32_common/stm32_mem_lengths.mk
+++ b/cpu/stm32_common/stm32_mem_lengths.mk
@@ -5,7 +5,7 @@ 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_INFO := $(shell printf '%s' '$(CPU_MODEL)' | tr 'a-z' 'A-Z' | sed -E -e 's/^STM32(F|L)(0|1|2|3|4|7)([A-Z0-9])([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, $(STM32_INFO))
@@ -240,6 +240,8 @@ else ifeq ($(STM32_TYPE), L)
       RAM_LEN = 160K
     else ifeq ($(STM32_MODEL2), 9)
       RAM_LEN = 320K
+    else ifeq ($(STM32_MODEL2), R)
+      RAM_LEN = 640K
     endif
   endif
 endif