diff --git a/ld/devices.data b/ld/devices.data
index 0ace7f94..19581fca 100644
--- a/ld/devices.data
+++ b/ld/devices.data
@@ -148,6 +148,10 @@ stm32l15[12]?d* stm32l1eep ROM=384K RAM=48K EEP=12K
 stm32l162?c* stm32l1eep ROM=256K RAM=32K EEP=8K
 stm32l162?d* stm32l1eep ROM=384K RAM=48K EEP=12K
 
+stm32l4?6?c* stm32l4 ROM=256K RAM=128K
+stm32l4?6?e* stm32l4 ROM=512K RAM=128K
+stm32l4?6?g* stm32l4 ROM=1024K RAM=128K
+
 stm32ts60 stm32t ROM=32K RAM=10K
 
 stm32w108c8 stm32w ROM=64K RAM=8K
@@ -348,6 +352,7 @@ stm32f4 stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m4 -mthumb -DST
 stm32f7 stm32 ROM_OFF=0x08000000 RAM_OFF=0x20010000 -mcpu=cortex-m7 -mthumb -DSTM32F7 -lopencm3_stm32f7 -mfloat-abi=hard -mfpu=fpv4-sp-d16
 stm32l0 stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m0 -mthumb -DSTM32L0 -lopencm3_stm32l0 -msoft-float
 stm32l1 stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m3 -mthumb -DSTM32L1 -lopencm3_stm32l1 -msoft-float
+stm32l4 stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m4 -mthumb -DSTM32L4 -lopencm3_stm32l4 -mfloat-abi=hard -mfpu=fpv4-sp-d16
 stm32w stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m3 -mthumb
 stm32t stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m3 -mthumb