[bsp][ch32] add eth driver

bsp/wch/risc-v/Libraries/ch32_drivers/SConscript

@@ -36,6 +36,9 @@ if  GetDepend('SOC_RISCV_FAMILY_CH32'):
     if GetDepend('BSP_USING_USBD'):
         src += ['drv_usbd.c']
 
+    if GetDepend('BSP_USING_ETH'):
+        src += ['drv_eth.c']
+        
     if GetDepend('BSP_USING_IWDT'):
         src += ['drv_iwdt.c']
 

bsp/wch/risc-v/Libraries/ch32_drivers/drv_eth.h

@@ -0,0 +1,50 @@
+/*
+ * File      : usart.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-09-09     WCH        the first version
+ */
+#ifndef __DRV_ETH_H__
+#define __DRV_ETH_H__
+#include "rthw.h"
+#include "rtthread.h"
+#include "ch32v30x_eth.h"
+
+
+/* MII/MDI interface select */
+#define PHY_ADDRESS 0x01
+#define USE10BASE_T
+
+#ifndef USE10BASE_T
+    #define USE_GIGA_MAC
+    #ifndef USE_GIGA_MAC
+        #define USE_FAST_MAC
+        //#define USE_RMII
+    #endif
+#endif
+
+#define ETH_RXBUFNB        6
+#define ETH_TXBUFNB        6
+
+#if 0
+#define USE_LOOP_STRUCT  1
+#else
+#define USE_CHAIN_STRUCT  1
+#endif
+
+
+typedef struct
+{
+    u32 length;
+    u32 buffer;
+    ETH_DMADESCTypeDef *descriptor;
+}FrameTypeDef;
+
+#endif

bsp/wch/risc-v/ch32v307v-r1/board/Kconfig

@@ -121,6 +121,13 @@ menu "On-chip Peripheral Drivers"
                 default n
         endif
 
+    menuconfig BSP_USING_ETH
+        bool "Enable Ethernet"
+        default n
+        select RT_USING_LWIP
+        select RT_USING_NETDEV
+        select RT_USING_SAL
+
     config BSP_USING_USBH
         bool "Enable USB Host"
         select RT_USING_USB_HOST

bsp/wch/risc-v/ch32v307v-r1/rtconfig.h

@@ -1,9 +1,6 @@
 #ifndef RT_CONFIG_H__
 #define RT_CONFIG_H__
 
-/* Automatically generated file; DO NOT EDIT. */
-/* RT-Thread Configuration */
-
 /* RT-Thread Kernel */
 
 #define RT_NAME_MAX 8
@@ -23,7 +20,13 @@
 
 /* kservice optimization */
 
+/* end of kservice optimization */
+
+/* klibc optimization */
+
+/* end of klibc optimization */
 #define RT_USING_DEBUG
+#define RT_DEBUGING_ASSERT
 #define RT_DEBUGING_COLOR
 #define RT_DEBUGING_CONTEXT
 
@@ -34,18 +37,21 @@
 #define RT_USING_EVENT
 #define RT_USING_MAILBOX
 #define RT_USING_MESSAGEQUEUE
+/* end of Inter-Thread communication */
 
 /* Memory Management */
 
 #define RT_USING_SMALL_MEM
 #define RT_USING_SMALL_MEM_AS_HEAP
 #define RT_USING_HEAP
+/* end of Memory Management */
 #define RT_USING_DEVICE
 #define RT_USING_CONSOLE
 #define RT_CONSOLEBUF_SIZE 128
 #define RT_CONSOLE_DEVICE_NAME "uart1"
-#define RT_VER_NUM 0x50100
+#define RT_VER_NUM 0x50200
 #define RT_BACKTRACE_LEVEL_MAX_NR 32
+/* end of RT-Thread Kernel */
 #define RT_USING_HW_ATOMIC
 #define ARCH_RISCV
 
@@ -59,8 +65,8 @@
 #define RT_USING_FINSH
 #define FINSH_USING_MSH
 #define FINSH_THREAD_NAME "tshell"
-#define FINSH_THREAD_PRIORITY 20
+#define FINSH_THREAD_PRIORITY 11
-#define FINSH_THREAD_STACK_SIZE 1024
+#define FINSH_THREAD_STACK_SIZE 2048
 #define FINSH_USING_HISTORY
 #define FINSH_HISTORY_LINES 5
 #define FINSH_USING_SYMTAB
@@ -72,6 +78,7 @@
 
 /* DFS: device virtual file system */
 
+/* end of DFS: device virtual file system */
 
 /* Device Drivers */
 
@@ -81,9 +88,7 @@
 #define RT_USING_SERIAL_V1
 #define RT_SERIAL_RB_BUFSZ 64
 #define RT_USING_PIN
-
+/* end of Device Drivers */
-/* Using USB */
-
 
 /* C/C++ and POSIX layer */
 
@@ -95,6 +100,8 @@
 #define RT_LIBC_TZ_DEFAULT_HOUR 8
 #define RT_LIBC_TZ_DEFAULT_MIN 0
 #define RT_LIBC_TZ_DEFAULT_SEC 0
+/* end of Timezone and Daylight Saving Time */
+/* end of ISO-ANSI C layer */
 
 /* POSIX (Portable Operating System Interface) layer */
 
@@ -104,18 +111,30 @@
 
 /* Socket is in the 'Network' category */
 
+/* end of Interprocess Communication (IPC) */
+/* end of POSIX (Portable Operating System Interface) layer */
+/* end of C/C++ and POSIX layer */
 
 /* Network */
 
+/* end of Network */
 
 /* Memory protection */
 
+/* end of Memory protection */
 
 /* Utilities */
 
+/* end of Utilities */
+
+/* Using USB legacy version */
+
+/* end of Using USB legacy version */
+/* end of RT-Thread Components */
 
 /* RT-Thread Utestcases */
 
+/* end of RT-Thread Utestcases */
 
 /* RT-Thread online packages */
 
@@ -126,57 +145,78 @@
 
 /* Marvell WiFi */
 
+/* end of Marvell WiFi */
 
 /* Wiced WiFi */
 
+/* end of Wiced WiFi */
 
 /* CYW43012 WiFi */
 
+/* end of CYW43012 WiFi */
 
 /* BL808 WiFi */
 
+/* end of BL808 WiFi */
 
 /* CYW43439 WiFi */
 
+/* end of CYW43439 WiFi */
+/* end of Wi-Fi */
 
 /* IoT Cloud */
 
+/* end of IoT Cloud */
+/* end of IoT - internet of things */
 
 /* security packages */
 
+/* end of security packages */
 
 /* language packages */
 
 /* JSON: JavaScript Object Notation, a lightweight data-interchange format */
 
+/* end of JSON: JavaScript Object Notation, a lightweight data-interchange format */
 
 /* XML: Extensible Markup Language */
 
+/* end of XML: Extensible Markup Language */
+/* end of language packages */
 
 /* multimedia packages */
 
 /* LVGL: powerful and easy-to-use embedded GUI library */
 
+/* end of LVGL: powerful and easy-to-use embedded GUI library */
 
 /* u8g2: a monochrome graphic library */
 
+/* end of u8g2: a monochrome graphic library */
+/* end of multimedia packages */
 
 /* tools packages */
 
+/* end of tools packages */
 
 /* system packages */
 
 /* enhanced kernel services */
 
+/* end of enhanced kernel services */
 
 /* acceleration: Assembly language or algorithmic acceleration packages */
 
+/* end of acceleration: Assembly language or algorithmic acceleration packages */
 
 /* CMSIS: ARM Cortex-M Microcontroller Software Interface Standard */
 
+/* end of CMSIS: ARM Cortex-M Microcontroller Software Interface Standard */
 
 /* Micrium: Micrium software products porting for RT-Thread */
 
+/* end of Micrium: Micrium software products porting for RT-Thread */
+/* end of system packages */
 
 /* peripheral libraries and drivers */
 
@@ -184,66 +224,94 @@
 
 /* STM32 HAL & SDK Drivers */
 
+/* end of STM32 HAL & SDK Drivers */
+
+/* Infineon HAL Packages */
+
+/* end of Infineon HAL Packages */
 
 /* Kendryte SDK */
 
+/* end of Kendryte SDK */
+/* end of HAL & SDK Drivers */
 
 /* sensors drivers */
 
+/* end of sensors drivers */
 
 /* touch drivers */
 
+/* end of touch drivers */
+/* end of peripheral libraries and drivers */
 
 /* AI packages */
 
+/* end of AI packages */
 
 /* Signal Processing and Control Algorithm Packages */
 
+/* end of Signal Processing and Control Algorithm Packages */
 
 /* miscellaneous packages */
 
 /* project laboratory */
 
+/* end of project laboratory */
+
 /* samples: kernel and components samples */
 
+/* end of samples: kernel and components samples */
 
 /* entertainment: terminal games and other interesting software packages */
 
+/* end of entertainment: terminal games and other interesting software packages */
+/* end of miscellaneous packages */
 
 /* Arduino libraries */
 
 
 /* Projects and Demos */
 
+/* end of Projects and Demos */
 
 /* Sensors */
 
+/* end of Sensors */
 
 /* Display */
 
+/* end of Display */
 
 /* Timing */
 
+/* end of Timing */
 
 /* Data Processing */
 
+/* end of Data Processing */
 
 /* Data Storage */
 
 /* Communication */
 
+/* end of Communication */
 
 /* Device Control */
 
+/* end of Device Control */
 
 /* Other */
 
+/* end of Other */
 
 /* Signal IO */
 
+/* end of Signal IO */
 
 /* Uncategorized */
 
+/* end of Arduino libraries */
+/* end of RT-Thread online packages */
 #define SOC_RISCV_FAMILY_CH32
 #define SOC_RISCV_SERIES_CH32V3
 
@@ -253,6 +321,7 @@
 
 /* Onboard Peripheral Drivers */
 
+/* end of Onboard Peripheral Drivers */
 
 /* On-chip Peripheral Drivers */
 
@@ -260,8 +329,10 @@
 #define BSP_USING_UART
 #define BSP_USING_UART1
 #define LSI_VALUE 40000
+/* end of On-chip Peripheral Drivers */
 
 /* Board extended module Drivers */
 
+/* end of Hardware Drivers Config */
 
 #endif

bsp/wch/risc-v/ch32v307v-r1/rtconfig.py

@@ -52,7 +52,7 @@ if PLATFORM == 'gcc':
     LPATH = ''
 
     if BUILD == 'debug':
-        CFLAGS += ' -O0 -g3'
+        CFLAGS += ' -Os -g3'
         AFLAGS += ' -g3'
     else:
         CFLAGS += ' -O2'

libcpu/risc-v/common/context_gcc.S

@@ -48,6 +48,9 @@ rt_hw_interrupt_enable:
     .globl rt_hw_context_switch_to
 rt_hw_context_switch_to:
     la t0, __rt_rvstack
+#ifdef SOC_RISCV_FAMILY_CH32
+    addi t0, t0, -512 // for ch32
+#endif /* SOC_RISCV_FAMILY_CH32 */
     csrw mscratch,t0
 
     LOAD sp, (a0)