/* do some early init */ void s_init(void) { int in_sdram = 0; #ifdef CONFIG_SPL in_sdram = is_running_in_sdram(); #endif watchdog_init(); sw_gpio_init(); clock_init(); gpio_init(); #ifdef CONFIG_SPL if (!in_sdram) sdram_init(); #endif }
void board_init_r(gd_t *id, ulong dest_addr) { char *s; bd_t *bd; ulong malloc_start; #if !defined(CONFIG_SYS_NO_FLASH) ulong flash_size; #endif gd = id; bd = gd->bd; gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ monitor_flash_len = _end_ofs; /* Enable caches */ enable_caches(); // debug("monitor flash len: %08lX\n", monitor_flash_len); #ifdef CONFIG_ALLWINNER #ifdef DEBUG // printf("sunxi script init\n"); #endif sw_gpio_init(); if(script_parser_fetch("target", "storage_type", &storage_type, sizeof(int))) storage_type = 0; if((storage_type <= 0) || (storage_type > 2)) { int used; used = 1; script_parser_patch("nand_para", "nand_used", &used, 1); used = 0; script_parser_patch("mmc2_para", "sdc_used", &used, 1); storage_type = 0; } else if(1 == storage_type) { mmc_card_no = 0; } else { int used; used = 0; script_parser_patch("nand_para", "nand_used", &used, 1); used = 1; script_parser_patch("mmc2_para", "sdc_used", &used, 1); mmc_card_no = 2; } #ifdef DEBUG { int used; printf("test storage_type=%d, mmc_card_no=%d\n", storage_type, mmc_card_no); if(!script_parser_fetch("nand_para", "nand_used", &used, sizeof(int))) { printf("nand_para nand_used = %d\n", used); } if(!script_parser_fetch("mmc2_para", "sdc_used", &used, sizeof(int))) { printf("mmc2_para sdc_used = %d\n", used); } printf("test over\n"); } #endif if(script_parser_fetch("uart_para", "uart_debug_port", &uart_console, sizeof(int))) uart_console = 0; #endif board_init(); /* Setup chipselects */ #ifdef CONFIG_SERIAL_MULTI serial_initialize(); #endif debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr); #ifdef CONFIG_LOGBUFFER logbuff_init_ptrs(); #endif #ifdef CONFIG_POST post_output_backlog(); #endif /* The Malloc area is immediately below the monitor copy in DRAM */ malloc_start = dest_addr - TOTAL_MALLOC_LEN; mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN); #if !defined(CONFIG_SYS_NO_FLASH) puts("Flash: "); flash_size = flash_init(); if (flash_size > 0) { # ifdef CONFIG_SYS_FLASH_CHECKSUM print_size(flash_size, ""); /* * Compute and print flash CRC if flashchecksum is set to 'y' * * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX */ s = getenv("flashchecksum"); if (s && (*s == 'y')) { printf(" CRC: %08X", crc32(0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)); } putc('\n'); # else /* !CONFIG_SYS_FLASH_CHECKSUM */ print_size(flash_size, "\n"); # endif /* CONFIG_SYS_FLASH_CHECKSUM */ } else { puts(failed); hang(); } #endif #ifdef CONFIG_ALLWINNER if(!storage_type){ puts("NAND: "); nand_init(); /* go init the NAND */ } else{ puts("MMC: "); mmc_initialize(bd); } sunxi_flash_handle_init(); sunxi_partition_init(); #else #if defined(CONFIG_CMD_NAND) if(!storage_type){ puts("NAND: "); nand_init(); /* go init the NAND */ } #endif/*CONFIG_CMD_NAND*/ #if defined(CONFIG_GENERIC_MMC) if(storage_type){ puts("MMC: "); mmc_initialize(bd); } #endif/*CONFIG_GENERIC_MMC*/ #endif/*CONFIG_ALLWINNER*/ #if defined(CONFIG_CMD_ONENAND) onenand_init(); #endif #ifdef CONFIG_HAS_DATAFLASH AT91F_DataflashInit(); dataflash_print_info(); #endif /* initialize environment */ env_relocate(); #if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI) arm_pci_init(); #endif /* IP Address */ gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr"); stdio_init(); /* get the devices list going. */ jumptable_init(); #if defined(CONFIG_API) /* Initialize API */ api_init(); #endif console_init_r(); /* fully init console as a device */ #if defined(CONFIG_ARCH_MISC_INIT) /* miscellaneous arch dependent initialisations */ arch_misc_init(); #endif #if defined(CONFIG_MISC_INIT_R) /* miscellaneous platform dependent initialisations */ misc_init_r(); #endif /* set up exceptions */ interrupt_init(); /* enable exceptions */ enable_interrupts(); /* Perform network card initialisation if necessary */ #if defined(CONFIG_DRIVER_SMC91111) || defined (CONFIG_DRIVER_LAN91C96) /* XXX: this needs to be moved to board init */ if (getenv("ethaddr")) { uchar enetaddr[6]; eth_getenv_enetaddr("ethaddr", enetaddr); smc_set_mac_addr(enetaddr); } #endif /* CONFIG_DRIVER_SMC91111 || CONFIG_DRIVER_LAN91C96 */ /* Initialize from environment */ s = getenv("loadaddr"); if (s != NULL) load_addr = simple_strtoul(s, NULL, 16); #if defined(CONFIG_CMD_NET) s = getenv("bootfile"); if (s != NULL) copy_filename(BootFile, s, sizeof(BootFile)); #endif #ifdef BOARD_LATE_INIT board_late_init(); #endif #ifdef CONFIG_BITBANGMII bb_miiphy_init(); #endif #if defined(CONFIG_CMD_NET) #if defined(CONFIG_NET_MULTI) puts("Net: "); #endif eth_initialize(gd->bd); #if defined(CONFIG_RESET_PHY_R) debug("Reset Ethernet PHY\n"); reset_phy(); #endif #endif #ifdef CONFIG_POST post_run(NULL, POST_RAM | post_bootmode_get(0)); #endif #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) /* * Export available size of memory for Linux, * taking into account the protected RAM at top of memory */ { ulong pram; uchar memsz[32]; #ifdef CONFIG_PRAM char *s; s = getenv("pram"); if (s != NULL) pram = simple_strtoul(s, NULL, 10); else pram = CONFIG_PRAM; #else pram = 0; #endif #ifdef CONFIG_LOGBUFFER #ifndef CONFIG_ALT_LB_ADDR /* Also take the logbuffer into account (pram is in kB) */ pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024; #endif #endif sprintf((char *)memsz, "%ldk", (gd->ram_size / 1024) - pram); setenv("mem", (char *)memsz); } #endif /* main_loop() can return to retry autoboot, if so just run it again. */ for (;;) { main_loop(); } /* NOTREACHED - no way out of command loop except booting */ }