添加rtthread相关代码
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							| @@ -0,0 +1,10 @@ | ||||
|  | ||||
| from building import * | ||||
|  | ||||
| cwd     = GetCurrentDir() | ||||
| src     = Glob('*.c') | ||||
| CPPPATH = [cwd] | ||||
|  | ||||
| group = DefineGroup('FDT', src, depend = ['FDT_USING_DEBUG'], CPPPATH = CPPPATH) | ||||
|  | ||||
| Return('group') | ||||
							
								
								
									
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								riscv/rtthread/components/drivers/fdt/examples/fdt_test.c
									
									
									
									
									
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								riscv/rtthread/components/drivers/fdt/examples/fdt_test.c
									
									
									
									
									
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							| @@ -0,0 +1,143 @@ | ||||
| #include <rtthread.h> | ||||
| #include "dtb_node.h" | ||||
|  | ||||
| int dtb_test() | ||||
| { | ||||
|     void *fdt; | ||||
|  | ||||
|     if ((fdt = dtb_node_load_from_fs("vexpress-v2p-ca9.dtb")) != RT_NULL) | ||||
|     { | ||||
|         struct dtb_node *dtb_node_list =  dtb_node_get_dtb_list(fdt); | ||||
|         if (dtb_node_list != RT_NULL) | ||||
|         { | ||||
|             struct dtb_node *serial0 = dtb_node_get_dtb_node_by_path(dtb_node_list, "/smb@4000000/motherboard/iofpga@7,00000000/uart@9000"); | ||||
|             struct dtb_node *cpu = dtb_node_get_dtb_node_by_path(dtb_node_list, "/cpus"); | ||||
|             struct dtb_node *user1 = dtb_node_get_dtb_node_by_path(dtb_node_list, "/smb@4000000/motherboard/leds/user1"); | ||||
|  | ||||
|             if (serial0 != RT_NULL) | ||||
|             { | ||||
|                 int property_size; | ||||
|                 rt_uint32_t u32_value; | ||||
|                 rt_uint32_t *u32_ptr; | ||||
|                 char *str_ptr; | ||||
|  | ||||
|                 rt_kprintf("name = %s\n", serial0->name); | ||||
|  | ||||
|                 rt_kputs("reg = <"); | ||||
|                 for_each_property_cell(serial0, "reg", u32_value, u32_ptr, property_size) | ||||
|                 { | ||||
|                     rt_kprintf("0x%x,", u32_value); | ||||
|                 } | ||||
|                 rt_kputs("\b>;\n"); | ||||
|  | ||||
|                 rt_kputs("compatible = "); | ||||
|                 for_each_property_string(serial0, "compatible", str_ptr, property_size) | ||||
|                 { | ||||
|                     rt_kprintf("\"%s\",", str_ptr); | ||||
|                 } | ||||
|                 rt_kputs("\b;\n"); | ||||
|             } | ||||
|  | ||||
|             if (cpu != RT_NULL) | ||||
|             { | ||||
|                 struct dtb_node *cpu_child = cpu; | ||||
|  | ||||
|                 rt_kprintf("\nname = %s\n", cpu->name); | ||||
|  | ||||
|                 for_each_node_child(cpu_child) | ||||
|                 { | ||||
|                     rt_kprintf("path = %s\n", cpu_child->path); | ||||
|                 } | ||||
|             } | ||||
|  | ||||
|             if (user1 != RT_NULL) | ||||
|             { | ||||
|                 struct dtb_node *user = user1; | ||||
|  | ||||
|                 rt_kprintf("\nname = %s, lable = %s\n", user1->name, dtb_node_get_dtb_node_property(user1, "label", RT_NULL)); | ||||
|  | ||||
|                 for_each_node_sibling(user) | ||||
|                 { | ||||
|                     rt_kprintf("name = %s, lable = %s\n", user->name, dtb_node_get_dtb_node_property(user, "label", RT_NULL)); | ||||
|                 } | ||||
|             } | ||||
|         } | ||||
|         dtb_node_free_dtb_list(dtb_node_list); | ||||
|     } | ||||
|  | ||||
|     if ((fdt = dtb_node_load_from_fs("bcm2711-rpi-4-b.dtb")) != RT_NULL) | ||||
|     { | ||||
|         struct dtb_node *dtb_node_list =  dtb_node_get_dtb_list(fdt); | ||||
|         if (dtb_node_list != RT_NULL) | ||||
|         { | ||||
|             struct dtb_node *bt_pins; | ||||
|             int memreserve_size; | ||||
|             struct dtb_memreserve *memreserve; | ||||
|  | ||||
|             bt_pins = dtb_node_get_dtb_node_by_name_DFS(dtb_node_list, "bt_pins"); | ||||
|             bt_pins = dtb_node_get_dtb_node_by_name_BFS(dtb_node_list, bt_pins->name); | ||||
|             bt_pins = dtb_node_get_dtb_node_by_phandle_DFS(dtb_node_list, bt_pins->handle); | ||||
|             bt_pins = dtb_node_get_dtb_node_by_phandle_BFS(dtb_node_list, bt_pins->handle); | ||||
|  | ||||
|             memreserve = dtb_node_get_dtb_memreserve(bt_pins, &memreserve_size); | ||||
|             if (memreserve_size > 0) | ||||
|             { | ||||
|                 int i; | ||||
|                 for (i = 0; i < memreserve_size; ++i) | ||||
|                 { | ||||
|                     rt_kputs("\n/memreserve/\t"); | ||||
|                     if (IN_64BITS_MODE) | ||||
|                     { | ||||
|                         rt_kprintf("0x%016x 0x%016x;", memreserve[i].address, memreserve[i].size); | ||||
|                     } | ||||
|                     else | ||||
|                     { | ||||
|                         rt_kprintf("0x%08x%08x 0x%08x%08x;", memreserve[i].address, memreserve[i].size); | ||||
|                     } | ||||
|                 } | ||||
|             } | ||||
|  | ||||
|             if (bt_pins != RT_NULL) | ||||
|             { | ||||
|                 int property_size; | ||||
|                 rt_uint8_t u8_value; | ||||
|                 rt_uint8_t *u8_ptr; | ||||
|  | ||||
|                 rt_kprintf("\n\nphandle = <0x%x>\n", bt_pins->handle); | ||||
|                 rt_kprintf("name = %s\n", bt_pins->name); | ||||
|                 rt_kprintf("path = %s\n", bt_pins->path); | ||||
|  | ||||
|                 rt_kputs("brcm,pins = ["); | ||||
|                 for_each_property_byte(bt_pins, "brcm,pins", u8_value, u8_ptr, property_size) | ||||
|                 { | ||||
|                     rt_kprintf("%02x ", u8_value); | ||||
|                 } | ||||
|                 rt_kputs("\b]\n"); | ||||
|             } | ||||
|         } | ||||
|         dtb_node_free_dtb_list(dtb_node_list); | ||||
|     } | ||||
|     return 0; | ||||
| } | ||||
| MSH_CMD_EXPORT(dtb_test, dtb API test); | ||||
|  | ||||
| int dtb_dump(int argc, char** argv) | ||||
| { | ||||
|     struct dtb_node *dtb_root_node = get_dtb_node_head(); | ||||
|     if(argc == 1) | ||||
|     { | ||||
|         if (dtb_root_node != RT_NULL) | ||||
|         { | ||||
|             dtb_node_get_dts_dump(dtb_root_node); | ||||
|         } | ||||
|     } | ||||
|     else | ||||
|     { | ||||
|         rt_kprintf("invailed parameter\n"); | ||||
|     } | ||||
|  | ||||
|     return 0; | ||||
| } | ||||
| MSH_CMD_EXPORT(dtb_dump, dtb dump from mem); | ||||
|  | ||||
|  | ||||
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