144 lines
4.6 KiB
C
144 lines
4.6 KiB
C
#include <rtthread.h>
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#include "dtb_node.h"
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int dtb_test()
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{
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void *fdt;
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if ((fdt = dtb_node_load_from_fs("vexpress-v2p-ca9.dtb")) != RT_NULL)
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{
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struct dtb_node *dtb_node_list = dtb_node_get_dtb_list(fdt);
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if (dtb_node_list != RT_NULL)
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{
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struct dtb_node *serial0 = dtb_node_get_dtb_node_by_path(dtb_node_list, "/smb@4000000/motherboard/iofpga@7,00000000/uart@9000");
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struct dtb_node *cpu = dtb_node_get_dtb_node_by_path(dtb_node_list, "/cpus");
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struct dtb_node *user1 = dtb_node_get_dtb_node_by_path(dtb_node_list, "/smb@4000000/motherboard/leds/user1");
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if (serial0 != RT_NULL)
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{
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int property_size;
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rt_uint32_t u32_value;
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rt_uint32_t *u32_ptr;
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char *str_ptr;
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rt_kprintf("name = %s\n", serial0->name);
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rt_kputs("reg = <");
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for_each_property_cell(serial0, "reg", u32_value, u32_ptr, property_size)
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{
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rt_kprintf("0x%x,", u32_value);
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}
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rt_kputs("\b>;\n");
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rt_kputs("compatible = ");
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for_each_property_string(serial0, "compatible", str_ptr, property_size)
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{
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rt_kprintf("\"%s\",", str_ptr);
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}
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rt_kputs("\b;\n");
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}
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if (cpu != RT_NULL)
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{
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struct dtb_node *cpu_child = cpu;
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rt_kprintf("\nname = %s\n", cpu->name);
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for_each_node_child(cpu_child)
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{
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rt_kprintf("path = %s\n", cpu_child->path);
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}
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}
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if (user1 != RT_NULL)
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{
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struct dtb_node *user = user1;
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rt_kprintf("\nname = %s, lable = %s\n", user1->name, dtb_node_get_dtb_node_property(user1, "label", RT_NULL));
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for_each_node_sibling(user)
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{
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rt_kprintf("name = %s, lable = %s\n", user->name, dtb_node_get_dtb_node_property(user, "label", RT_NULL));
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}
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}
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}
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dtb_node_free_dtb_list(dtb_node_list);
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}
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if ((fdt = dtb_node_load_from_fs("bcm2711-rpi-4-b.dtb")) != RT_NULL)
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{
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struct dtb_node *dtb_node_list = dtb_node_get_dtb_list(fdt);
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if (dtb_node_list != RT_NULL)
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{
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struct dtb_node *bt_pins;
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int memreserve_size;
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struct dtb_memreserve *memreserve;
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bt_pins = dtb_node_get_dtb_node_by_name_DFS(dtb_node_list, "bt_pins");
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bt_pins = dtb_node_get_dtb_node_by_name_BFS(dtb_node_list, bt_pins->name);
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bt_pins = dtb_node_get_dtb_node_by_phandle_DFS(dtb_node_list, bt_pins->handle);
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bt_pins = dtb_node_get_dtb_node_by_phandle_BFS(dtb_node_list, bt_pins->handle);
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memreserve = dtb_node_get_dtb_memreserve(bt_pins, &memreserve_size);
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if (memreserve_size > 0)
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{
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int i;
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for (i = 0; i < memreserve_size; ++i)
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{
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rt_kputs("\n/memreserve/\t");
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if (IN_64BITS_MODE)
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{
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rt_kprintf("0x%016x 0x%016x;", memreserve[i].address, memreserve[i].size);
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}
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else
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{
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rt_kprintf("0x%08x%08x 0x%08x%08x;", memreserve[i].address, memreserve[i].size);
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}
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}
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}
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if (bt_pins != RT_NULL)
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{
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int property_size;
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rt_uint8_t u8_value;
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rt_uint8_t *u8_ptr;
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rt_kprintf("\n\nphandle = <0x%x>\n", bt_pins->handle);
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rt_kprintf("name = %s\n", bt_pins->name);
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rt_kprintf("path = %s\n", bt_pins->path);
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rt_kputs("brcm,pins = [");
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for_each_property_byte(bt_pins, "brcm,pins", u8_value, u8_ptr, property_size)
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{
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rt_kprintf("%02x ", u8_value);
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}
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rt_kputs("\b]\n");
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}
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}
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dtb_node_free_dtb_list(dtb_node_list);
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}
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return 0;
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}
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MSH_CMD_EXPORT(dtb_test, dtb API test);
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int dtb_dump(int argc, char** argv)
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{
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struct dtb_node *dtb_root_node = get_dtb_node_head();
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if(argc == 1)
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{
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if (dtb_root_node != RT_NULL)
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{
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dtb_node_get_dts_dump(dtb_root_node);
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}
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}
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else
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{
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rt_kprintf("invailed parameter\n");
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}
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return 0;
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}
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MSH_CMD_EXPORT(dtb_dump, dtb dump from mem);
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