stm32/eth: Make ETH DMA buffer attributes configurable.

kwagyeman · dpgeorge · commit 112f65776588 · 2025-02-04T16:50:03.000+11:00
Signed-off-by: Kwabena W. Agyeman &lt;kwagyeman@live.com&gt;
diff --git a/ports/stm32/eth.c b/ports/stm32/eth.c
@@ -121,7 +121,7 @@ typedef struct _eth_t {
     int16_t (*phy_get_link_status)(uint32_t phy_addr);
 } eth_t;
 
-static eth_dma_t eth_dma __attribute__((aligned(16384)));
+static eth_dma_t eth_dma MICROPY_HW_ETH_DMA_ATTRIBUTE;
 
 eth_t eth_instance;
 
diff --git a/ports/stm32/mpconfigboard_common.h b/ports/stm32/mpconfigboard_common.h
@@ -669,3 +669,7 @@
 #endif
 
 #define MICROPY_HW_USES_BOOTLOADER (MICROPY_HW_VTOR != 0x08000000)
+
+#ifndef MICROPY_HW_ETH_DMA_ATTRIBUTE
+#define MICROPY_HW_ETH_DMA_ATTRIBUTE __attribute__((aligned(16384)));
+#endif
