Partially enable networking

Author: object-Object

linux/buildroot/board/mlogv32/dts/mlogv32.dtb

@@ -16,15 +16,15 @@
 
     rom@0 {
         compatible = "mtd-rom";
-        reg = <0x0 (16*1024*1024)>;
+        reg = <0x0 (22*1024*1024)>;
         bank-width = <1>; // 8-bit "bus"
 
         #address-cells = <1>;
         #size-cells = <1>;
 
         rootfs@1000 {
             label = "rootfs";
-            reg = <0x1000 (16*1024*1024 - 0x1000)>;
+            reg = <0x1000 (22*1024*1024 - 0x1000)>;
             linux,rootfs;
         };
     };

linux/buildroot/board/mlogv32/dts/mlogv32.dts

@@ -24,6 +24,14 @@ CONFIG_JUMP_LABEL=y
 # CONFIG_GCC_PLUGINS is not set
 # CONFIG_MQ_IOSCHED_DEADLINE is not set
 # CONFIG_MQ_IOSCHED_KYBER is not set
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_PACKET_DIAG=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_INET_UDP_DIAG=y
+CONFIG_INET_RAW_DIAG=y
+# CONFIG_WIRELESS is not set
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_MTD=y
@@ -32,6 +40,12 @@ CONFIG_MTD_ROM=y
 CONFIG_MTD_PHYSMAP=y
 CONFIG_MTD_PHYSMAP_OF=y
 CONFIG_BLK_DEV_RAM=y
+CONFIG_NETDEVICES=y
+# CONFIG_ETHERNET is not set
+CONFIG_PPP=y
+CONFIG_PPP_ASYNC=y
+CONFIG_PPP_SYNC_TTY=y
+# CONFIG_WLAN is not set
 # CONFIG_INPUT_MOUSE is not set
 CONFIG_VT_HW_CONSOLE_BINDING=y
 CONFIG_SERIAL_8250=y

linux/buildroot/board/mlogv32/linux.config

@@ -2,7 +2,7 @@ OUTPUT_ARCH(riscv)
 ENTRY(_start)
 
 /* memory size definitions */
-__ROM = 16M;
+__ROM = 22M;
 __RAM = 14M;
 
 MEMORY {

linux/buildroot/board/mlogv32/zsbl/zsbl.ld

@@ -21,6 +21,7 @@ BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL_MLOGV32_PATH)/board/mlogv32/linux.config"
 BR2_LINUX_KERNEL_EXT_MLOGV32_DRIVERS=y
 BR2_PACKAGE_READLINE=y
+#BR2_PACKAGE_PPPD=y
 BR2_TARGET_ROOTFS_CRAMFS=y
 BR2_TARGET_ROOTFS_CRAMFS_XIP=y
 # BR2_TARGET_ROOTFS_TAR is not set

linux/buildroot/configs/mlogv32_defconfig

@@ -36,9 +36,9 @@ configs:
 
   linux:
     MEMORY_X_OFFSET: -9
-    MEMORY_Y_OFFSET: !py!sum [[-16, -0, -16, -14, -14]]
+    MEMORY_Y_OFFSET: !py!sum [[-16, -8, -14, -14, -14]]
     MEMORY_WIDTH: 64
     PROGRAM_ROM_ROWS: 8
-    DATA_ROM_ROWS: 8
+    DATA_ROM_ROWS: 14
     RAM_ROWS: 14
     ICACHE_ROWS: 14