/* * (C) Copyright 2000 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * SPDX-License-Identifier: GPL-2.0+ */ /* #define DEBUG */ #include #include #include #include #include #ifdef CONFIG_MDUMP_COMPRESS #include #endif DECLARE_GLOBAL_DATA_PTR; #if defined(BL33_BOOT_TIME_PROBE) #define TE TE_time #else #define TE(...) #endif /* * Board-specific Platform code can reimplement show_boot_progress () if needed */ __weak void show_boot_progress(int val) {} static void modem_init(void) { #ifdef CONFIG_MODEM_SUPPORT debug("DEBUG: main_loop: gd->do_mdm_init=%lu\n", gd->do_mdm_init); if (gd->do_mdm_init) { char *str = getenv("mdm_cmd"); setenv("preboot", str); /* set or delete definition */ mdm_init(); /* wait for modem connection */ } #endif /* CONFIG_MODEM_SUPPORT */ } static void run_preboot_environment_command(void) { #ifdef CONFIG_PREBOOT char *p; p = getenv("preboot"); if (p != NULL) { # ifdef CONFIG_AUTOBOOT_KEYED int prev = disable_ctrlc(1); /* disable Control C checking */ # endif TE("preboot"); run_command_list(p, -1, 0); TE("preboot"); # ifdef CONFIG_AUTOBOOT_KEYED disable_ctrlc(prev); /* restore Control C checking */ # endif } #endif /* CONFIG_PREBOOT */ } /* We come here after U-Boot is initialised and ready to process commands */ void main_loop(void) { const char *s; bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop"); #ifndef CONFIG_SYS_GENERIC_BOARD puts("Warning: Your board does not use generic board. Please read\n"); puts("doc/README.generic-board and take action. Boards not\n"); puts("upgraded by the late 2014 may break or be removed.\n"); #endif modem_init(); #ifdef CONFIG_VERSION_VARIABLE setenv("ver", version_string); /* set version variable */ #endif /* CONFIG_VERSION_VARIABLE */ cli_init(); run_preboot_environment_command(); #if defined(CONFIG_UPDATE_TFTP) update_tftp(0UL); #endif /* CONFIG_UPDATE_TFTP */ s = bootdelay_process(); if (cli_process_fdt(&s)) cli_secure_boot_cmd(s); #if defined(CONFIG_AML_UBOOT_AUTO_TEST) //stick 0 and stick 1 will be used to check the boot process of uboot //stick 0 is the start counter (0xC8834400 + 0x7C<<2) = 0xc88345f0 //stick 1 is the end counter (0xC8834400 + 0x7D<<2) = 0xc88345f4 if (*((volatile unsigned int*)(0xc88345f0))) { printf("\n\naml log : TE = %d\n",*((volatile unsigned int*)0xc1109988)); *((volatile unsigned int*)(0xc88345f4)) += 1; //stick 1 printf("\n\naml log : Boot success %d times @ %d\n",*((volatile unsigned int*)(0xc88345f4)), *((volatile unsigned int*)(0xc88345f0))); //stick 0 set in bl2_main.c int ndelay = 10; int nabort = 0; while (ndelay) { udelay(1); if (tstc()) switch (getc()) { //case 0x20: /* Space */ case 0x0d: /* Enter */ nabort = 1; break; } ndelay -= 1; } if (!nabort) run_command("reset",0); } #endif //#if defined(CONFIG_AML_UBOOT_AUTO_TEST) autoboot_command(s); cli_loop(); }