stm32/boards/stm32h743.ld: Enable D2 RAM and add eth-buffer section.
@@ -11,6 +11,7 @@ MEMORY
FLASH_TEXT (rx) : ORIGIN = 0x08040000, LENGTH = 1792K /* sectors 6*128 + 8*128 */
DTCM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K /* Used for storage cache */
RAM (xrw) : ORIGIN = 0x24000000, LENGTH = 512K /* AXI SRAM */
+ RAM_D2 (xrw) : ORIGIN = 0x30000000, LENGTH = 288K
}
/* produce a link error if there is not this amount of RAM for these sections */
@@ -27,3 +28,12 @@ _ram_start = ORIGIN(RAM);
_ram_end = ORIGIN(RAM) + LENGTH(RAM);
_heap_start = _ebss; /* heap starts just after statically allocated memory */
_heap_end = _sstack;
+
+/* Define output sections */
+SECTIONS
+{
+ .eth_buffers (NOLOAD) : {
+ . = ABSOLUTE(0x30040000);
+ *eth.o*(.bss.eth_dma)
+ } >RAM_D2
+}
