阅读上面代码,.globl意思很简单,相当于c语言当中的extern,声明reset,且告诉连接器reset为全局标量,外部是可以访问的(在arch/arm/lib/vectors.S代码中“b reset”有用到此变量)。分析上面代码可知, reset中只有一条跳转指令“b save_boot_params”,搜索标号“save_boot_params”发现,它也只...
is now current device ** Bad device usb 0 ** ** Bad device usb 0 ** using musb-hdrc, OUT ep1out IN ep1in STATUS ep2in MAC de:ad:be:ef:00:01 HOST MAC de:ad:be:ef:00:00 RNDIS ready The remote end did not respond in time.missing environment variable: pxeuuid missing ...
"wdt dev [<name>] - get/set current watchdog device\n" "wdt start <timeout ms> [flags] - start watchdog timer\n" "wdt stop - stop watchdog timer\n" "wdt reset - reset watchdog timer\n" "wdt expire [flags] - expire watchdog timer immediately\n"; U_BOOT_CMD_WITH_SUBCMDS(wdt...
29. if (gunzip ((void *)load, unc_len, (uchar *)image_start, &image_len) != 0) { /* 解压 */ 30. "GUNZIP: uncompress, out-of-mem or overwrite error " 31. "- must RESET board to recover\n"); 32. return BOOTM_ERR_RESET; 33. } 34. 35. *load_end = load + image_len...
DMA: preallocated 256 KiB pool for atomic coherent allocations cpuidle: using governor ladder cpuidle: using governor menu CPU identified as i.MX6Q, silicon rev 1.2 Use WDOG2 as reset source syscon 20c8000.anatop: regmap [mem 0x020c8000-0x020c8fff] registered vdd1p1: 800 <--> 137...
0);}else{priv->auto_screen_off_timeout=0;system_suspend_enter(pdata);}mdelay(5);/* Every image shows period */if(get_timer(show_start)>image[show_idx].period){show_start=get_timer(0);/* Update to next image */show_idx++;if(show_idx>(image_num-2))show_idx=IMAGE_SHOW_RESET...
Louis210 # nand erase.part bootloader;tftpboot 20000000 u-boot-a.bin;nand write 20000000 0 $filesize;reset; //命令 NAND erase.part: device 0 offset 0x0, size 0x100000 Erasing at 0xe0000 — 100% complete. OK dm9000 i/o: 0x88000000, id: 0x90000a46 DM9000: running in 16 bit mode ...
otherwise there will be nothing output which * is not good to know what happen. */ if (!debug_start) debug_start = get_timer(0); if (get_timer(debug_start) > 20000) { debug_start = get_timer(0); printf("[%8ld]: soc=%d%%, vol=%dmv, c=%dma, online=%d, screen_on=%d\n...
[ 0.000000] OF: reserved mem: initialized node framebuffer, compatible id shared-dma-pool [ 0.000000] Reserved memory: created CMA memory pool at 0x95000000, size 32 MiB [ 0.000000] OF: reserved mem: initialized node jpegbuffer, compatible id shared-dma-pool ...
开发板 :NanoPC-T6开发板 eMMC :256GB LPDDR4 :16GB 显示屏 :15.6英寸HDMI接口显示屏 u-boot :2017.09 linux :6.1 本节将会介绍官方固件方式uboot 2017.09以及linux 6.1内核的编译过程,教程来自友善之家官方手册。 一