[Horus] 64K more for Lua

radio/src/targets/horus/stm32f4_flash.ld

@@ -3,8 +3,8 @@
 **
 **  File        : stm32f4_flash.ld
 **
-**  Abstract    : Linker script for STM32F407 Device with
-**                0.5MByte FLASH, 128KByte SRAM, 64KByte CCM
+**  Abstract    : Linker script for STM32F439 Device with
+**                2MByte FLASH, 192KByte SRAM, 64KByte CCM
 **
 **                Set heap size, stack size and stack location according
 **                to application requirements.
@@ -20,8 +20,8 @@
 ENTRY(Reset_Handler)
 
 /* Highest address of the user mode stack */
-_estack = 0x20020000;    /* end of 128K SRAM */
-_heap_end = 0x20020000;  /* end of 128K SRAM */
+_estack = 0x10010000;    /* end of 64K CCM */
+_heap_end = 0x20030000;  /* end of 192K SRAM */
 
 /* Generate a link error if heap and stack don't fit into RAM */
 _Min_Heap_Size = 0;      /* required amount of heap  */
@@ -34,7 +34,7 @@ _main_stack_start = _estack - _Main_Stack_Size;
 MEMORY
 {
   FLASH (rx)      : ORIGIN = 0x08000000, LENGTH = 2048K
-  RAM (xrw)       : ORIGIN = 0x20000000, LENGTH = 256K
+  RAM (xrw)       : ORIGIN = 0x20000000, LENGTH = 192K
   CCM (xrw)       : ORIGIN = 0x10000000, LENGTH = 64K
   MEMORY_B1 (rx)  : ORIGIN = 0x60000000, LENGTH = 0K
   SDRAM(xrw)      : ORIGIN = 0xD0000000, LENGTH = 8192K