[bsp/raspberry-pico] add: SMP (#6888)

bsp/raspberry-pico/board/board.c

@@ -1,11 +1,12 @@
 /*
- * Copyright (c) 2006-2021, RT-Thread Development Team
+ * Copyright (c) 2006-2023, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author         Notes
  * 2021-01-28     flybreak       first version
+ * 2023-01-22     rose_man       add RT_USING_SMP
  */
 
 #include <rthw.h>
@@ -21,12 +22,16 @@
 void isr_systick(void)
 {
     /* enter interrupt */
+#ifndef RT_USING_SMP
     rt_interrupt_enter();
+#endif
 
     rt_tick_increase();
 
     /* leave interrupt */
+#ifndef RT_USING_SMP
     rt_interrupt_leave();
+#endif
 }
 
 uint32_t systick_config(uint32_t ticks)
@@ -47,7 +52,14 @@ void rt_hw_board_init()
 {
     set_sys_clock_khz(PLL_SYS_KHZ, true);
 
+#ifdef RT_USING_HEAP
     rt_system_heap_init(HEAP_BEGIN, HEAP_END);
+#endif
+
+#ifdef RT_USING_SMP
+    extern rt_hw_spinlock_t _cpus_lock;
+    rt_hw_spin_lock_init(&_cpus_lock);
+#endif
 
     alarm_pool_init_default();
 
@@ -64,10 +76,16 @@ void rt_hw_board_init()
     }
 
     /* Configure the SysTick */
-    systick_config(frequency_count_khz(CLOCKS_FC0_SRC_VALUE_PLL_SYS_CLKSRC_PRIMARY) * 1000 / RT_TICK_PER_SECOND);
+    systick_config(frequency_count_khz(CLOCKS_FC0_SRC_VALUE_ROSC_CLKSRC)*10000/RT_TICK_PER_SECOND);
 
+#ifdef RT_USING_COMPONENTS_INIT
+    rt_components_board_init();
+#endif
+
+#ifdef RT_USING_SERIAL
     stdio_init_all();
     rt_hw_uart_init();
+#endif
 
 #ifdef RT_USING_CONSOLE
    rt_console_set_device(RT_CONSOLE_DEVICE_NAME);

bsp/raspberry-pico/board/board.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2021, RT-Thread Development Team
+ * Copyright (c) 2006-2023, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/raspberry-pico/libcpu/SConscript

@@ -0,0 +1,23 @@
+# RT-Thread building script for component
+
+from building import *
+
+Import('rtconfig')
+
+cwd     = GetCurrentDir()
+src     = Glob('*.c') + Glob('*.cpp')
+CPPPATH = [cwd]
+
+if rtconfig.PLATFORM in ['armcc', 'armclang']:
+    src += Glob('*_rvds.S')
+
+if rtconfig.PLATFORM in ['gcc']:
+    src += Glob('*_init.S')
+    src += Glob('*_gcc.S')
+
+if rtconfig.PLATFORM in ['iccarm']:
+    src += Glob('*_iar.S')
+
+group = DefineGroup('CPU', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')

bsp/raspberry-pico/libcpu/cpuport.h

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-01-22     rose_man     add RT_USING_SMP
+ */
+
+#ifndef  CPUPORT_H__
+#define  CPUPORT_H__
+
+typedef union {
+    unsigned long slock;
+    struct __arch_tickets {
+        unsigned short owner;
+        unsigned short next;
+    } tickets;
+} rt_hw_spinlock_t;
+
+#endif  /*CPUPORT_H__*/

bsp/raspberry-pico/libraries/SConscript

@@ -7,6 +7,8 @@ cwd = GetCurrentDir()
 
 # The set of source files associated with this SConscript file.
 src = Split("""
+pico-sdk/src/rp2_common/hardware_flash/flash.c
+pico-sdk/src/rp2_common/pico_multicore/multicore.c
 pico-sdk/src/rp2_common/pico_stdlib/stdlib.c
 pico-sdk/src/rp2_common/hardware_gpio/gpio.c
 pico-sdk/src/rp2_common/hardware_claim/claim.c
@@ -59,6 +61,8 @@ generated/bs2_default_padded_checksummed.S
 """)
 
 path = [
+    cwd + '/pico-sdk/src/rp2_common/hardware_flash/include',
+    cwd + '/pico-sdk/src/rp2_common/pico_multicore/include',
     cwd + '/pico-sdk/src/common/pico_stdlib/include',
     cwd + '/pico-sdk/src/rp2_common/hardware_gpio/include',
     cwd + '/pico-sdk/src/common/pico_base/include',

bsp/raspberry-pico/rtconfig.py

@@ -3,7 +3,7 @@ import sys
 
 # toolchains options
 ARCH='arm'
-CPU='cortex-m0'
+CPU='cortex-m0-dual'
 CROSS_TOOL='gcc'
 
 # bsp lib config