Add cr52 serial ethernet drivers

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "machines/riscv/pulpino/pulpino"]
 	path = machines/riscv/pulpino/pulpino
 	url = https://github.com/Instrumented-Pulpino/pulpino.git	
+[submodule "libraries/net/ethernet/lwip"]
+	path = libraries/net/ethernet/lwip
+	url = https://git.savannah.nongnu.org/git/lwip.git

examples/cortex-a-r/armv8/spider/ethernet/build.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+#stop on errors
+set -e
+
+if [[ ! -d "_build" ]]
+then
+    mkdir _build
+fi
+
+echo "*** Run Goil ***"
+goil --target=cortex-a-r/armv8/spider --templates=../../../../../goil/templates/ eth.oil
+
+echo "*** Run Make ***"
+./make.py

examples/cortex-a-r/armv8/spider/ethernet/eth.oil

@@ -0,0 +1,94 @@
+OIL_VERSION = "4.0";
+
+IMPLEMENTATION trampoline {
+  TASK {
+    UINT32 STACKSIZE = 2048 ;
+  } ;
+
+  ISR {
+    UINT32 STACKSIZE = 2048 ;
+  } ;
+};
+
+CPU eth {
+  OS config {
+    STATUS = EXTENDED;
+
+    BUILD = TRUE {
+      TRAMPOLINE_BASE_PATH = "../../../../..";
+      APP_SRC = "main.c";
+      APP_NAME = "eth_exe.elf";
+      CFLAGS  = "-O0 -g -DHSCIF_1843200BPS -DNO_SYS";
+      LDFLAGS = "-Map=eth_exe.map";
+      COMPILER = "arm-none-eabi-gcc";
+      CPPCOMPILER = "arm-none-eabi-g++";
+      ASSEMBLER = "arm-none-eabi-as";
+      LINKER = "arm-none-eabi-ld";
+      COPIER = "arm-none-eabi-objcopy";
+      SYSTEM = PYTHON;
+      LIBRARY = serial;
+      LIBRARY = lwip;
+    };
+    SYSTEM_CALL = TRUE;
+    MEMMAP = TRUE {
+      COMPILER = gcc;
+      LINKER = gnu_ld { SCRIPT = "script.ld"; };
+      ASSEMBLER = gnu_as;
+      MEMORY_PROTECTION = FALSE;
+    };
+  };
+
+  APPMODE std {};
+
+  TASK sample_init {
+    PRIORITY = 1;
+    AUTOSTART = TRUE { APPMODE = std; };
+    ACTIVATION = 1;
+    SCHEDULE = FULL;
+  };
+
+  TASK monitor {
+    PRIORITY = 1;
+    AUTOSTART = FALSE;
+    ACTIVATION = 1;
+    SCHEDULE = FULL;
+  };
+
+  /* ethernet driver needs */
+  TASK gwca1_rx_tx_task {
+    PRIORITY = 2;
+    AUTOSTART = FALSE;
+    ACTIVATION = 1;
+    SCHEDULE = FULL;
+  };
+
+  ISR gwca1_rx_tx_int {
+    CATEGORY = 2;
+    PRIORITY = 2;
+    SOURCE = GWCA1_RX_TX_INT;
+  };
+
+  ISR gwca1_rx_ts_int {
+    CATEGORY = 2;
+    PRIORITY = 3;
+    SOURCE = GWCA1_RX_TS_INT;
+  };
+
+  ISR coma_err_int {
+    CATEGORY = 2;
+    PRIORITY = 4;
+    SOURCE = COMA_ERR_INT;
+  };
+
+  ISR gwca1_err_int {
+    CATEGORY = 2;
+    PRIORITY = 5;
+    SOURCE = GWCA1_ERR_INT;
+  };
+
+  ISR etha0_err_int {
+    CATEGORY = 2;
+    PRIORITY = 6;
+    SOURCE = ETHA0_ERR_INT;
+  };
+};

examples/cortex-a-r/armv8/spider/ethernet/main.c

@@ -0,0 +1,58 @@
+#include "tpl_os.h"
+#include "utils.h"
+#include "spider_serial.h"
+#include "string.h"
+#include "lwip/netif.h"
+#include "lwip/ip4_addr.h"
+#include "lwip/timeouts.h"
+#include "ethif.h"
+
+#define APP_Task_sample_init_START_SEC_CODE
+#include "tpl_memmap.h"
+
+ip4_addr_t ip4_addr, net_mask, gateway;
+struct netif ethif_netif;
+
+// Is this the right section for the main function??
+FUNC(int, OS_APPL_CODE) main(void)
+{
+	StartOS(OSDEFAULTAPPMODE);
+	return 0;
+}
+
+TASK(sample_init) {
+	Serial_Init();
+
+	rswitch_enable_clock_and_reset();
+	port_init();
+
+	lwip_init();
+
+	IP4_ADDR(&ip4_addr, 192, 168, 1, 2);
+	IP4_ADDR(&net_mask, 255, 255, 255, 0);
+	IP4_ADDR(&gateway, 0, 0, 0, 0);
+
+	netif_add(&ethif_netif, &ip4_addr, &net_mask, &gateway, NULL,
+				ethif_init, netif_input);
+
+	netif_set_up(&ethif_netif);
+
+	ActivateTask(monitor);
+
+	TerminateTask();
+}
+
+#define APP_Task_sample_init_STOP_SEC_CODE
+#include "tpl_memmap.h"
+
+#define APP_Task_sample_init_START_SEC_CODE
+#include "tpl_memmap.h"
+
+TASK(monitor) {
+	while (1) {
+		sys_check_timeouts();
+	}
+}
+
+#define APP_Task_sample_init_STOP_SEC_CODE
+#include "tpl_memmap.h"

examples/cortex-a-r/armv8/spider/ethernet_basic/build.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+#stop on errors
+set -e
+
+if [[ ! -d "_build" ]]
+then
+    mkdir _build
+fi
+
+echo "*** Run Goil ***"
+goil --target=cortex-a-r/armv8/spider --templates=../../../../../goil/templates/ eth.oil
+
+echo "*** Run Make ***"
+./make.py

examples/cortex-a-r/armv8/spider/ethernet_basic/eth.oil

@@ -0,0 +1,93 @@
+OIL_VERSION = "4.0";
+
+IMPLEMENTATION trampoline {
+  TASK {
+    UINT32 STACKSIZE = 2048 ;
+  } ;
+
+  ISR {
+    UINT32 STACKSIZE = 2048 ;
+  } ;
+};
+
+CPU eth {
+  OS config {
+    STATUS = EXTENDED;
+
+    BUILD = TRUE {
+      TRAMPOLINE_BASE_PATH = "../../../../..";
+      APP_SRC = "main.c";
+      APP_NAME = "eth_exe.elf";
+      CFLAGS  = "-O0 -g -DHSCIF_1843200BPS";
+      LDFLAGS = "-Map=eth_exe.map";
+      COMPILER = "arm-none-eabi-gcc";
+      CPPCOMPILER = "arm-none-eabi-g++";
+      ASSEMBLER = "arm-none-eabi-as";
+      LINKER = "arm-none-eabi-ld";
+      COPIER = "arm-none-eabi-objcopy";
+      SYSTEM = PYTHON;
+      LIBRARY = serial;
+      LIBRARY = ethernet;
+    };
+    SYSTEM_CALL = TRUE;
+    MEMMAP = TRUE {
+      COMPILER = gcc;
+      LINKER = gnu_ld { SCRIPT = "script.ld"; };
+      ASSEMBLER = gnu_as;
+      MEMORY_PROTECTION = FALSE;
+    };
+  };
+
+  APPMODE std {};
+
+  TASK sample_init {
+    PRIORITY = 1;
+    AUTOSTART = TRUE { APPMODE = std; };
+    ACTIVATION = 1;
+    SCHEDULE = FULL;
+  };
+
+  TASK echo {
+    PRIORITY = 1;
+    AUTOSTART = FALSE;
+    ACTIVATION = 1;
+    SCHEDULE = FULL;
+  };
+
+  TASK gwca1_rx_tx_task { 
+    PRIORITY = 2;
+    AUTOSTART = FALSE;
+    ACTIVATION = 1;
+    SCHEDULE = FULL;
+  };
+
+  ISR gwca1_rx_tx_int {
+    CATEGORY = 1;
+    PRIORITY = 3;
+    SOURCE = GWCA1_RX_TX_INT;
+  };
+
+  ISR gwca1_rx_ts_int {
+    CATEGORY = 1;
+    PRIORITY = 4;
+    SOURCE = GWCA1_RX_TS_INT;
+  };
+
+  ISR coma_err_int {
+    CATEGORY = 1;
+    PRIORITY = 5;
+    SOURCE = COMA_ERR_INT;
+  };
+
+  ISR gwca1_err_int {
+    CATEGORY = 1;
+    PRIORITY = 6;
+    SOURCE = GWCA1_ERR_INT;
+  };
+
+  ISR etha0_err_int {
+    CATEGORY = 1;
+    PRIORITY = 7;
+    SOURCE = ETHA0_ERR_INT;
+  };
+};