Revert "DISCO STM32H747I ETHERNET support, but disabled."

This reverts commit 7fcedd2.

Author: 0xc0170

features/netsocket/emac-drivers/TARGET_STM/TARGET_STM32H7/TARGET_DISCO_H747I/stm32h7_eth_init.c

@@ -317,7 +317,9 @@ bool STM32_EMAC::low_level_init_successful()
 }
 #else // ETH_IP_VERSION_V2
 {
-    uint32_t idx;
+    uint32_t idx, duplex, speed = 0;
+    int32_t PHYLinkState;
+    ETH_MACConfigTypeDef MACConf;
 
     MPU_Config();
 

features/netsocket/emac-drivers/TARGET_STM/stm32xx_emac.cpp

@@ -41,25 +41,11 @@ LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
    *(InRoot$$Sections)
    .ANY (+RO)
   }
-
+  
   RW_IRAM1 (MBED_RAM0_START) (MBED_RAM0_SIZE-Stack_Size)  {  ; RW data
    .ANY (+RW +ZI)
   }
 
   ARM_LIB_STACK (MBED_RAM0_START+MBED_RAM0_SIZE) EMPTY -Stack_Size { ; stack
   }
-
-  RW_DMARxDscrTab 0x30040000 0x60 {
-    *(.RxDecripSection)
-  }
-  RW_DMATxDscrTab 0x30040100 0x140 {
-    *(.TxDecripSection)
-  }
-  RW_Rx_Buffb 0x30040400 0x1800 {
-    *(.RxArraySection)
-  }
-  RW_Eth_Ram 0x30044000 0x4000 {
-    *(.ethusbram)
-  }
-
 }

targets/TARGET_STM/TARGET_STM32H7/TARGET_STM32H747xI/TARGET_DISCO_H747I_CM7/TOOLCHAIN_ARM_STD/stm32h747xI.sct

@@ -179,19 +179,4 @@ SECTIONS
 
     /* Check if data + heap + stack exceeds RAM limit */
     ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
-
-    .lwip_sec (NOLOAD) : {
-        . = ABSOLUTE(0x30040000);
-        *(.RxDecripSection)
-
-        . = ABSOLUTE(0x30040100);
-        *(.TxDecripSection)
-
-        . = ABSOLUTE(0x30040400);
-        *(.RxArraySection)
-
-        . = ABSOLUTE(0x30044000);
-        *(.ethusbram)
-
-    } >RAM_D2 AT> FLASH
 }

targets/TARGET_STM/TARGET_STM32H7/TARGET_STM32H747xI/TARGET_DISCO_H747I_CM7/TOOLCHAIN_GCC_ARM/STM32H747xI.ld

@@ -37,10 +37,6 @@ define memory mem with size = 4G;
 define region ROM_region = mem:[from __region_ROM_start__ to __region_ROM_end__];
 define region RAM_region = mem:[from __region_RAM_start__ to __region_RAM_end__];
 
-// Memory region used for ethernet
-define region eth_mem_region = mem:[from 0x30044000 to 0x30048000 ];
-place in eth_mem_region	{ section .ethusbram };
-
 // Stack and Heap
 define symbol __size_cstack__ = MBED_BOOT_STACK_SIZE;
 define symbol __size_heap__   = 0x10000; // 64KB