void ETH1_init(u8_t *mac_addr) { outpw(REG_CLK_HCLKEN, inpw(REG_CLK_HCLKEN) | (1 << 17)); // EMAC1 clk outpw(REG_CLK_DIVCTL8, (inpw(REG_CLK_DIVCTL8) & ~0xFF) | 0xA0); // MDC clk divider // Multi function pin setting outpw(REG_SYS_GPE_MFPL, (inpw(REG_SYS_GPE_MFPL) & ~0xFFFFFF00) | 0x11111100); outpw(REG_SYS_GPE_MFPH, (inpw(REG_SYS_GPE_MFPH) & ~0xFFFF) | 0x1111); // Reset MAC outpw(REG_EMAC1_MCMDR, 0x1000000); init_tx_desc(); init_rx_desc(); set_mac_addr(mac_addr); // need to reconfigure hardware address 'cos we just RESET emc... reset_phy(); outpw(REG_EMAC1_MCMDR, inpw(REG_EMAC1_MCMDR) | 0x121); // strip CRC, TX on, Rx on outpw(REG_EMAC1_MIEN, inpw(REG_EMAC1_MIEN) | 0x01250C11); // Except tx/rx ok, enable rdu, txabt, tx/rx bus error. sysInstallISR(IRQ_LEVEL_1, EMC1_TX_IRQn, (PVOID)ETH1_TX_IRQHandler); sysInstallISR(IRQ_LEVEL_1, EMC1_RX_IRQn, (PVOID)ETH1_RX_IRQHandler); sysEnableInterrupt(EMC1_TX_IRQn); sysEnableInterrupt(EMC1_RX_IRQn); ETH1_TRIGGER_RX(); sysSetTimerEvent(TIMER0, 200, (PVOID)chk_link); // check link status every 2 sec }
int reset_phy_r(void) { #ifdef DEBUG puts("Reset Ethernet PHY\n"); #endif reset_phy(); return 0; }
static int initr_net(void) { puts("Net: "); eth_initialize(); #if defined(CONFIG_RESET_PHY_R) debug("Reset Ethernet PHY\n"); reset_phy(); #endif return 0; }
int board_late_init(void) { #ifdef CONFIG_MXC_SPI setup_iomux_spi(); power_init(); #endif reset_phy(); #ifdef CONFIG_HW_WATCHDOG if(1){ /* NOTE: */ /* hw_watchdog_init() seems not work, use the following code */ /* which is stolen from linux kerenel to init the watchdog. */ /* hw_watchdog_reset() works fine! */ #define IMX2_WDT_WCR_WT (0xFF << 8) /* -> Watchdog Timeout Field */ #define IMX2_WDT_WCR_WRE (1 << 3) /* -> WDOG Reset Enable */ #define IMX2_WDT_WCR_WDE (1 << 2) /* -> Watchdog Enable */ #define WDOG_SEC_TO_COUNT(s) ((s * 2 - 1) << 8) u16 val = readw(WDOG1_BASE_ADDR); /* Strip the old watchdog Time-Out value */ val &= ~IMX2_WDT_WCR_WT; /* Generate reset if WDOG times out */ val &= ~IMX2_WDT_WCR_WRE; /* Keep Watchdog Disabled */ val &= ~IMX2_WDT_WCR_WDE; /* Set the watchdog's Time-Out value */ val |= WDOG_SEC_TO_COUNT(CONFIG_WATCHDOG_TIMEOUT_MSECS/1000); writew(val, WDOG1_BASE_ADDR); /* enable the watchdog */ val |= IMX2_WDT_WCR_WDE; writew(val, WDOG1_BASE_ADDR); /* According to i,MX515 Reference Manual, the PDE bit */ /* should be cleared within 16 second after boot */ /* Write to the PDE (Power Down Enable) bit */ writew(0, WDOG1_BASE_ADDR+8); #undef IMX2_WDT_WCR_WT #undef IMX2_WDT_WCR_WRE #undef IMX2_WDT_WCR_WDE #undef WDOG_SEC_TO_COUNT } #endif return 0; }
/*------------------------------------------------------------------------- * Start the TI USBHOST controller */ static int omap_start_ehc(struct ehci_hcd_omap *omap, struct usb_hcd *hcd) { dev_dbg(omap->dev, "starting TI EHCI USB Controller\n"); reset_phy(omap); /* Enable USB clocks */ if(enable_omap_clocks(omap,1) != 0) goto end_error; /* TLL config */ if(setup_tll(omap) != 0){ enable_omap_clocks(omap,0); goto end_error; } /* UHH config */ if(set_uhh_mode(omap) != 0){ enable_omap_clocks(omap,0); goto end_error; } goto end_ok; end_error: if (omap->phy_reset) { if (gpio_is_valid(omap->reset_gpio_port[0])) gpio_free(omap->reset_gpio_port[0]); if (gpio_is_valid(omap->reset_gpio_port[1])) gpio_free(omap->reset_gpio_port[1]); } return -1; end_ok: if (omap->phy_reset) { /* Refer ISSUE1: * Hold the PHY in RESET for enough time till * PHY is settled and ready */ udelay(100); if (gpio_is_valid(omap->reset_gpio_port[0])) gpio_set_value(omap->reset_gpio_port[0], 0); if (gpio_is_valid(omap->reset_gpio_port[1])) gpio_set_value(omap->reset_gpio_port[1], 0); } return 0; }
int board_early_init_f(void) { #if defined(CONFIG_PCI) volatile ccsr_pcix_t *pci = (void *)(CONFIG_SYS_MPC85xx_PCIX_ADDR); pci->peer &= 0xffffffdf; /* disable master abort */ #endif /* Why is the phy reset done _after_ the ethernet * initialization in arch/ppc/lib/board.c? * Do it here so it's done before the TSECs are used. */ reset_phy(); return 0; }
static void chk_link(void) { unsigned int reg; reg = mdio_read(CONFIG_PHY_ADDR, MII_BMSR); if (reg & BMSR_LSTATUS) { if (!plugged) { plugged = 1; reset_phy(); outpw(REG_EMAC0_MCMDR, inpw(REG_EMAC0_MCMDR) | 0x101); } } else { if (plugged) { plugged = 0; outpw(REG_EMAC0_MCMDR, inpw(REG_EMAC0_MCMDR) & ~0x101); } } }
void start_armboot (void) { init_fnc_t **init_fnc_ptr; char *s; int mmc_exist = 0; #if defined(CONFIG_VFD) || defined(CONFIG_LCD) unsigned long addr; #endif /* Pointer is writable since we allocated a register for it */ gd = (gd_t*)(_armboot_start - CONFIG_SYS_MALLOC_LEN - sizeof(gd_t)); /* compiler optimization barrier needed for GCC >= 3.4 */ __asm__ __volatile__("": : :"memory"); memset ((void*)gd, 0, sizeof (gd_t)); gd->bd = (bd_t*)((char*)gd - sizeof(bd_t)); memset (gd->bd, 0, sizeof (bd_t)); // gd->flags |= GD_FLG_RELOC; monitor_flash_len = _bss_start - _armboot_start; for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { if ((*init_fnc_ptr)() != 0) { hang (); } } /* armboot_start is defined in the board-specific linker script */ mem_malloc_init (_armboot_start - CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN); #ifndef CONFIG_SYS_NO_FLASH /* configure available FLASH banks */ display_flash_config (flash_init ()); #endif /* CONFIG_SYS_NO_FLASH */ #ifdef CONFIG_VFD # ifndef PAGE_SIZE # define PAGE_SIZE 4096 # endif /* * reserve memory for VFD display (always full pages) */ /* bss_end is defined in the board-specific linker script */ addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); vfd_setmem (addr); gd->fb_base = addr; #endif /* CONFIG_VFD */ #ifdef CONFIG_LCD /* board init may have inited fb_base */ if (!gd->fb_base) { # ifndef PAGE_SIZE # define PAGE_SIZE 4096 # endif /* * reserve memory for LCD display (always full pages) */ /* bss_end is defined in the board-specific linker script */ addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); lcd_setmem (addr); gd->fb_base = addr; } #endif /* CONFIG_LCD */ #if defined(CONFIG_CMD_NAND) puts ("NAND: "); nand_init(); /* go init the NAND */ #endif #if defined(CONFIG_CMD_ONENAND) onenand_init(); #endif #ifdef CONFIG_GENERIC_MMC puts ("MMC: "); mmc_exist = mmc_initialize (gd->bd); if (mmc_exist != 0) { puts ("0 MB\n"); } #endif #ifdef CONFIG_HAS_DATAFLASH AT91F_DataflashInit(); dataflash_print_info(); #endif /* initialize environment */ env_relocate (); #ifdef CONFIG_VFD /* must do this after the framebuffer is allocated */ drv_vfd_init(); #endif /* CONFIG_VFD */ #ifdef CONFIG_SERIAL_MULTI serial_initialize(); #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 /* enable exceptions */ enable_interrupts (); /* Perform network card initialisation if necessary */ #ifdef CONFIG_DRIVER_TI_EMAC /* XXX: this needs to be moved to board init */ extern void davinci_eth_set_mac_addr (const u_int8_t *addr); if (getenv ("ethaddr")) { uchar enetaddr[6]; eth_getenv_enetaddr("ethaddr", enetaddr); davinci_eth_set_mac_addr(enetaddr); } #endif #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 */ if ((s = getenv ("loadaddr")) != NULL) { load_addr = simple_strtoul (s, NULL, 16); } #if defined(CONFIG_CMD_NET) if ((s = getenv ("bootfile")) != 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 /* 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 */ }
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 D$: * I$, if needed, must be already enabled in start.S */ dcache_enable(); debug("monitor flash len: %08lX\n", monitor_flash_len); 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 #if defined(CONFIG_CMD_NAND) puts("NAND: "); nand_init(); /* go init the NAND */ #endif #if defined(CONFIG_CMD_ONENAND) onenand_init(); #endif #ifdef CONFIG_GENERIC_MMC puts("MMC: "); mmc_initialize(bd); #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", (bd->bi_memsize / 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 */ }
/* * This is the next part if the initialization sequence: we are now * running from RAM and have a "normal" C environment, i. e. global * data can be written, BSS has been cleared, the stack size in not * that critical any more, etc. */ void board_init_r(gd_t *id, ulong dest_addr) { bd_t *bd; ulong malloc_start; #ifndef CONFIG_SYS_NO_FLASH ulong flash_size; #endif gd = id; /* initialize RAM version of global data */ bd = gd->bd; gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ /* The Malloc area is immediately below the monitor copy in DRAM */ malloc_start = dest_addr - TOTAL_MALLOC_LEN; #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) /* * The gd->arch.cpu pointer is set to an address in flash before * relocation. We need to update it to point to the same CPU entry * in RAM. */ gd->arch.cpu += dest_addr - CONFIG_SYS_MONITOR_BASE; /* * If we didn't know the cpu mask & # cores, we can save them of * now rather than 'computing' them constantly */ fixup_cpu(); #endif #ifdef CONFIG_SYS_EXTRA_ENV_RELOC /* * Some systems need to relocate the env_addr pointer early because the * location it points to will get invalidated before env_relocate is * called. One example is on systems that might use a L2 or L3 cache * in SRAM mode and initialize that cache from SRAM mode back to being * a cache in cpu_init_r. */ gd->env_addr += dest_addr - CONFIG_SYS_MONITOR_BASE; #endif serial_initialize(); debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr); WATCHDOG_RESET(); /* * Setup trap handlers */ trap_init(dest_addr); #ifdef CONFIG_ADDR_MAP init_addr_map(); #endif #if defined(CONFIG_BOARD_EARLY_INIT_R) board_early_init_r(); #endif monitor_flash_len = (ulong)&__init_end - dest_addr; WATCHDOG_RESET(); #ifdef CONFIG_LOGBUFFER logbuff_init_ptrs(); #endif #ifdef CONFIG_POST post_output_backlog(); #endif WATCHDOG_RESET(); #if defined(CONFIG_SYS_DELAYED_ICACHE) icache_enable(); /* it's time to enable the instruction cache */ #endif #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */ #endif #if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT) /* * Do early PCI configuration _before_ the flash gets initialised, * because PCU ressources are crucial for flash access on some boards. */ pci_init(); #endif #if defined(CONFIG_WINBOND_83C553) /* * Initialise the ISA bridge */ initialise_w83c553f(); #endif asm("sync ; isync"); mem_malloc_init(malloc_start, TOTAL_MALLOC_LEN); #if !defined(CONFIG_SYS_NO_FLASH) puts("Flash: "); if (board_flash_wp_on()) { printf("Uninitialized - Write Protect On\n"); /* Since WP is on, we can't find real size. Set to 0 */ flash_size = 0; } else if ((flash_size = flash_init()) > 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 */ if (getenv_yesno("flashchecksum") == 1) { 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(); } /* update start of FLASH memory */ bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* size of FLASH memory (final value) */ bd->bi_flashsize = flash_size; #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) /* Make a update of the Memctrl. */ update_flash_size(flash_size); #endif #if defined(CONFIG_OXC) || defined(CONFIG_RMU) /* flash mapped at end of memory map */ bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size; #elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */ #endif #endif /* !CONFIG_SYS_NO_FLASH */ WATCHDOG_RESET(); /* initialize higher level parts of CPU like time base and timers */ cpu_init_r(); WATCHDOG_RESET(); #ifdef CONFIG_SPI #if !defined(CONFIG_ENV_IS_IN_EEPROM) spi_init_f(); #endif spi_init_r(); #endif #if defined(CONFIG_CMD_NAND) WATCHDOG_RESET(); puts("NAND: "); nand_init(); /* go init the NAND */ #endif #ifdef CONFIG_GENERIC_MMC /* * MMC initialization is called before relocating env. * Thus It is required that operations like pin multiplexer * be put in board_init. */ WATCHDOG_RESET(); puts("MMC: "); mmc_initialize(bd); #endif /* relocate environment function pointers etc. */ env_relocate(); /* * after non-volatile devices & environment is setup and cpu code have * another round to deal with any initialization that might require * full access to the environment or loading of some image (firmware) * from a non-volatile device */ cpu_secondary_init_r(); /* * Fill in missing fields of bd_info. * We do this here, where we have "normal" access to the * environment; we used to do this still running from ROM, * where had to use getenv_f(), which can be pretty slow when * the environment is in EEPROM. */ #if defined(CONFIG_SYS_EXTBDINFO) #if defined(CONFIG_405GP) || defined(CONFIG_405EP) #if defined(CONFIG_I2CFAST) /* * set bi_iic_fast for linux taking environment variable * "i2cfast" into account */ { if (getenv_yesno("i2cfast") == 1) { bd->bi_iic_fast[0] = 1; bd->bi_iic_fast[1] = 1; } } #endif /* CONFIG_I2CFAST */ #endif /* CONFIG_405GP, CONFIG_405EP */ #endif /* CONFIG_SYS_EXTBDINFO */ #if defined(CONFIG_SC3) sc3_read_eeprom(); #endif #if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET) mac_read_from_eeprom(); #endif #ifdef CONFIG_CMD_NET /* kept around for legacy kernels only ... ignore the next section */ eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr); #ifdef CONFIG_HAS_ETH1 eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr); #endif #ifdef CONFIG_HAS_ETH2 eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr); #endif #ifdef CONFIG_HAS_ETH3 eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr); #endif #ifdef CONFIG_HAS_ETH4 eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr); #endif #ifdef CONFIG_HAS_ETH5 eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr); #endif #endif /* CONFIG_CMD_NET */ WATCHDOG_RESET(); #if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT) /* * Do pci configuration */ pci_init(); #endif /** leave this here (after malloc(), environment and PCI are working) **/ /* Initialize stdio devices */ stdio_init(); /* Initialize the jump table for applications */ jumptable_init(); #if defined(CONFIG_API) /* Initialize API */ api_init(); #endif /* Initialize the console (after the relocation and devices init) */ console_init_r(); #if defined(CONFIG_MISC_INIT_R) /* miscellaneous platform dependent initialisations */ misc_init_r(); #endif #if defined(CONFIG_CMD_KGDB) WATCHDOG_RESET(); puts("KGDB: "); kgdb_init(); #endif debug("U-Boot relocated to %08lx\n", dest_addr); /* * Enable Interrupts */ interrupt_init(); #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING); #endif udelay(20); /* Initialize from environment */ load_addr = getenv_ulong("loadaddr", 16, load_addr); WATCHDOG_RESET(); #if defined(CONFIG_CMD_SCSI) WATCHDOG_RESET(); puts("SCSI: "); scsi_init(); #endif #if defined(CONFIG_CMD_DOC) WATCHDOG_RESET(); puts("DOC: "); doc_init(); #endif #ifdef CONFIG_BITBANGMII bb_miiphy_init(); #endif #if defined(CONFIG_CMD_NET) WATCHDOG_RESET(); puts("Net: "); eth_initialize(bd); #endif #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R) WATCHDOG_RESET(); debug("Reset Ethernet PHY\n"); reset_phy(); #endif #ifdef CONFIG_POST post_run(NULL, POST_RAM | post_bootmode_get(0)); #endif #if defined(CONFIG_CMD_PCMCIA) \ && !defined(CONFIG_CMD_IDE) WATCHDOG_RESET(); puts("PCMCIA:"); pcmcia_init(); #endif #if defined(CONFIG_CMD_IDE) WATCHDOG_RESET(); #ifdef CONFIG_IDE_8xx_PCCARD puts("PCMCIA:"); #else puts("IDE: "); #endif #if defined(CONFIG_START_IDE) if (board_start_ide()) ide_init(); #else ide_init(); #endif #endif #ifdef CONFIG_LAST_STAGE_INIT WATCHDOG_RESET(); /* * Some parts can be only initialized if all others (like * Interrupts) are up and running (i.e. the PC-style ISA * keyboard). */ last_stage_init(); #endif #if defined(CONFIG_CMD_BEDBUG) WATCHDOG_RESET(); bedbug_init(); #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 = 0; char memsz[32]; #ifdef CONFIG_PRAM pram = getenv_ulong("pram", 10, CONFIG_PRAM); #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(memsz, "%ldk", (ulong) (bd->bi_memsize / 1024) - pram); setenv("mem", memsz); } #endif #ifdef CONFIG_PS2KBD puts("PS/2: "); kbd_init(); #endif /* Initialization complete - start the monitor */ /* main_loop() can return to retry autoboot, if so just run it again. */ for (;;) { WATCHDOG_RESET(); main_loop(); } /* NOTREACHED - no way out of command loop except booting */ }
static int scc_init (struct eth_device *dev, bd_t * bis) { int i; scc_enet_t *pram_ptr; volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; #if defined(CONFIG_LWMON) reset_phy(); #endif #ifdef CONFIG_FADS #if defined(CONFIG_MPC86xADS) || defined(CONFIG_MPC860T) /* The MPC86xADS/FADS860T don't use the MODEM_EN or DATA_VOICE signals. */ *((uint *) BCSR4) &= ~BCSR4_ETHLOOP; *((uint *) BCSR4) |= BCSR4_TFPLDL | BCSR4_TPSQEL; *((uint *) BCSR1) &= ~BCSR1_ETHEN; #else *((uint *) BCSR4) &= ~(BCSR4_ETHLOOP | BCSR4_MODEM_EN); *((uint *) BCSR4) |= BCSR4_TFPLDL | BCSR4_TPSQEL | BCSR4_DATA_VOICE; *((uint *) BCSR1) &= ~BCSR1_ETHEN; #endif #endif pram_ptr = (scc_enet_t *) & (immr->im_cpm.cp_dparam[PROFF_ENET]); rxIdx = 0; txIdx = 0; if (!rtx) { #ifdef CONFIG_SYS_ALLOC_DPRAM rtx = (RTXBD *) (immr->im_cpm.cp_dpmem + dpram_alloc_align (sizeof (RTXBD), 8)); #else rtx = (RTXBD *) (immr->im_cpm.cp_dpmem + CPM_SCC_BASE); #endif } #if (defined(PA_ENET_RXD) && defined(PA_ENET_TXD)) /* Configure port A pins for Txd and Rxd. */ immr->im_ioport.iop_papar |= (PA_ENET_RXD | PA_ENET_TXD); immr->im_ioport.iop_padir &= ~(PA_ENET_RXD | PA_ENET_TXD); immr->im_ioport.iop_paodr &= ~PA_ENET_TXD; #elif (defined(PB_ENET_RXD) && defined(PB_ENET_TXD)) /* Configure port B pins for Txd and Rxd. */ immr->im_cpm.cp_pbpar |= (PB_ENET_RXD | PB_ENET_TXD); immr->im_cpm.cp_pbdir &= ~(PB_ENET_RXD | PB_ENET_TXD); immr->im_cpm.cp_pbodr &= ~PB_ENET_TXD; #else #error Configuration Error: exactly ONE of PA_ENET_[RT]XD, PB_ENET_[RT]XD must be defined #endif #if defined(PC_ENET_LBK) /* Configure port C pins to disable External Loopback */ immr->im_ioport.iop_pcpar &= ~PC_ENET_LBK; immr->im_ioport.iop_pcdir |= PC_ENET_LBK; immr->im_ioport.iop_pcso &= ~PC_ENET_LBK; immr->im_ioport.iop_pcdat &= ~PC_ENET_LBK; /* Disable Loopback */ #endif /* PC_ENET_LBK */ /* Configure port C pins to enable CLSN and RENA. */ immr->im_ioport.iop_pcpar &= ~(PC_ENET_CLSN | PC_ENET_RENA); immr->im_ioport.iop_pcdir &= ~(PC_ENET_CLSN | PC_ENET_RENA); immr->im_ioport.iop_pcso |= (PC_ENET_CLSN | PC_ENET_RENA); /* Configure port A for TCLK and RCLK. */ immr->im_ioport.iop_papar |= (PA_ENET_TCLK | PA_ENET_RCLK); immr->im_ioport.iop_padir &= ~(PA_ENET_TCLK | PA_ENET_RCLK); /* * Configure Serial Interface clock routing -- see section 16.7.5.3 * First, clear all SCC bits to zero, then set the ones we want. */ immr->im_cpm.cp_sicr &= ~SICR_ENET_MASK; immr->im_cpm.cp_sicr |= SICR_ENET_CLKRT; /* * Initialize SDCR -- see section 16.9.23.7 * SDMA configuration register */ immr->im_siu_conf.sc_sdcr = 0x01; /* * Setup SCC Ethernet Parameter RAM */ pram_ptr->sen_genscc.scc_rfcr = 0x18; /* Normal Operation and Mot byte ordering */ pram_ptr->sen_genscc.scc_tfcr = 0x18; /* Mot byte ordering, Normal access */ pram_ptr->sen_genscc.scc_mrblr = DBUF_LENGTH; /* max. ET package len 1520 */ pram_ptr->sen_genscc.scc_rbase = (unsigned int) (&rtx->rxbd[0]); /* Set RXBD tbl start at Dual Port */ pram_ptr->sen_genscc.scc_tbase = (unsigned int) (&rtx->txbd[0]); /* Set TXBD tbl start at Dual Port */ /* * Setup Receiver Buffer Descriptors (13.14.24.18) * Settings: * Empty, Wrap */ for (i = 0; i < PKTBUFSRX; i++) { rtx->rxbd[i].cbd_sc = BD_ENET_RX_EMPTY; rtx->rxbd[i].cbd_datlen = 0; /* Reset */ rtx->rxbd[i].cbd_bufaddr = (uint) NetRxPackets[i]; } rtx->rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP; /* * Setup Ethernet Transmitter Buffer Descriptors (13.14.24.19) * Settings: * Add PADs to Short FRAMES, Wrap, Last, Tx CRC */ for (i = 0; i < TX_BUF_CNT; i++) { rtx->txbd[i].cbd_sc = (BD_ENET_TX_PAD | BD_ENET_TX_LAST | BD_ENET_TX_TC); rtx->txbd[i].cbd_datlen = 0; /* Reset */ rtx->txbd[i].cbd_bufaddr = (uint) (&txbuf[0]); } rtx->txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP; /* * Enter Command: Initialize Rx Params for SCC */ do { /* Spin until ready to issue command */ __asm__ ("eieio"); } while (immr->im_cpm.cp_cpcr & CPM_CR_FLG); /* Issue command */ immr->im_cpm.cp_cpcr = ((CPM_CR_INIT_RX << 8) | (CPM_CR_ENET << 4) | CPM_CR_FLG); do { /* Spin until command processed */ __asm__ ("eieio"); } while (immr->im_cpm.cp_cpcr & CPM_CR_FLG); /* * Ethernet Specific Parameter RAM * see table 13-16, pg. 660, * pg. 681 (example with suggested settings) */ pram_ptr->sen_cpres = ~(0x0); /* Preset CRC */ pram_ptr->sen_cmask = 0xdebb20e3; /* Constant Mask for CRC */ pram_ptr->sen_crcec = 0x0; /* Error Counter CRC (unused) */ pram_ptr->sen_alec = 0x0; /* Alignment Error Counter (unused) */ pram_ptr->sen_disfc = 0x0; /* Discard Frame Counter (unused) */ pram_ptr->sen_pads = 0x8888; /* Short Frame PAD Characters */ pram_ptr->sen_retlim = 15; /* Retry Limit Threshold */ pram_ptr->sen_maxflr = 1518; /* MAX Frame Length Register */ pram_ptr->sen_minflr = 64; /* MIN Frame Length Register */ pram_ptr->sen_maxd1 = DBUF_LENGTH; /* MAX DMA1 Length Register */ pram_ptr->sen_maxd2 = DBUF_LENGTH; /* MAX DMA2 Length Register */ pram_ptr->sen_gaddr1 = 0x0; /* Group Address Filter 1 (unused) */ pram_ptr->sen_gaddr2 = 0x0; /* Group Address Filter 2 (unused) */ pram_ptr->sen_gaddr3 = 0x0; /* Group Address Filter 3 (unused) */ pram_ptr->sen_gaddr4 = 0x0; /* Group Address Filter 4 (unused) */ #define ea eth_get_dev()->enetaddr pram_ptr->sen_paddrh = (ea[5] << 8) + ea[4]; pram_ptr->sen_paddrm = (ea[3] << 8) + ea[2]; pram_ptr->sen_paddrl = (ea[1] << 8) + ea[0]; #undef ea pram_ptr->sen_pper = 0x0; /* Persistence (unused) */ pram_ptr->sen_iaddr1 = 0x0; /* Individual Address Filter 1 (unused) */ pram_ptr->sen_iaddr2 = 0x0; /* Individual Address Filter 2 (unused) */ pram_ptr->sen_iaddr3 = 0x0; /* Individual Address Filter 3 (unused) */ pram_ptr->sen_iaddr4 = 0x0; /* Individual Address Filter 4 (unused) */ pram_ptr->sen_taddrh = 0x0; /* Tmp Address (MSB) (unused) */ pram_ptr->sen_taddrm = 0x0; /* Tmp Address (unused) */ pram_ptr->sen_taddrl = 0x0; /* Tmp Address (LSB) (unused) */ /* * Enter Command: Initialize Tx Params for SCC */ do { /* Spin until ready to issue command */ __asm__ ("eieio"); } while (immr->im_cpm.cp_cpcr & CPM_CR_FLG); /* Issue command */ immr->im_cpm.cp_cpcr = ((CPM_CR_INIT_TX << 8) | (CPM_CR_ENET << 4) | CPM_CR_FLG); do { /* Spin until command processed */ __asm__ ("eieio"); } while (immr->im_cpm.cp_cpcr & CPM_CR_FLG); /* * Mask all Events in SCCM - we use polling mode */ immr->im_cpm.cp_scc[SCC_ENET].scc_sccm = 0; /* * Clear Events in SCCE -- Clear bits by writing 1's */ immr->im_cpm.cp_scc[SCC_ENET].scc_scce = ~(0x0); /* * Initialize GSMR High 32-Bits * Settings: Normal Mode */ immr->im_cpm.cp_scc[SCC_ENET].scc_gsmrh = 0; /* * Initialize GSMR Low 32-Bits, but do not Enable Transmit/Receive * Settings: * TCI = Invert * TPL = 48 bits * TPP = Repeating 10's * MODE = Ethernet */ immr->im_cpm.cp_scc[SCC_ENET].scc_gsmrl = (SCC_GSMRL_TCI | SCC_GSMRL_TPL_48 | SCC_GSMRL_TPP_10 | SCC_GSMRL_MODE_ENET); /* * Initialize the DSR -- see section 13.14.4 (pg. 513) v0.4 */ immr->im_cpm.cp_scc[SCC_ENET].scc_dsr = 0xd555; /* * Initialize the PSMR * Settings: * CRC = 32-Bit CCITT * NIB = Begin searching for SFD 22 bits after RENA * FDE = Full Duplex Enable * LPB = Loopback Enable (Needed when FDE is set) * BRO = Reject broadcast packets * PROMISCOUS = Catch all packets regardless of dest. MAC adress */ immr->im_cpm.cp_scc[SCC_ENET].scc_psmr = SCC_PSMR_ENCRC | SCC_PSMR_NIB22 | #if defined(CONFIG_SCC_ENET_FULL_DUPLEX) SCC_PSMR_FDE | SCC_PSMR_LPB | #endif #if defined(CONFIG_SCC_ENET_NO_BROADCAST) SCC_PSMR_BRO | #endif #if defined(CONFIG_SCC_ENET_PROMISCOUS) SCC_PSMR_PRO | #endif 0; /* * Configure Ethernet TENA Signal */ #if (defined(PC_ENET_TENA) && !defined(PB_ENET_TENA)) immr->im_ioport.iop_pcpar |= PC_ENET_TENA; immr->im_ioport.iop_pcdir &= ~PC_ENET_TENA; #elif (defined(PB_ENET_TENA) && !defined(PC_ENET_TENA)) immr->im_cpm.cp_pbpar |= PB_ENET_TENA; immr->im_cpm.cp_pbdir |= PB_ENET_TENA; #else #error Configuration Error: exactly ONE of PB_ENET_TENA, PC_ENET_TENA must be defined #endif #if defined(CONFIG_ADS) && defined(CONFIG_MPC860) /* * Port C is used to control the PHY,MC68160. */ immr->im_ioport.iop_pcdir |= (PC_ENET_ETHLOOP | PC_ENET_TPFLDL | PC_ENET_TPSQEL); immr->im_ioport.iop_pcdat |= PC_ENET_TPFLDL; immr->im_ioport.iop_pcdat &= ~(PC_ENET_ETHLOOP | PC_ENET_TPSQEL); *((uint *) BCSR1) &= ~BCSR1_ETHEN; #endif /* MPC860ADS */ #if defined(CONFIG_AMX860) /* * Port B is used to control the PHY,MC68160. */ immr->im_cpm.cp_pbdir |= (PB_ENET_ETHLOOP | PB_ENET_TPFLDL | PB_ENET_TPSQEL); immr->im_cpm.cp_pbdat |= PB_ENET_TPFLDL; immr->im_cpm.cp_pbdat &= ~(PB_ENET_ETHLOOP | PB_ENET_TPSQEL); immr->im_ioport.iop_pddir |= PD_ENET_ETH_EN; immr->im_ioport.iop_pddat &= ~PD_ENET_ETH_EN; #endif /* AMX860 */ #ifdef CONFIG_RPXCLASSIC *((uchar *) BCSR0) &= ~BCSR0_ETHLPBK; *((uchar *) BCSR0) |= (BCSR0_ETHEN | BCSR0_COLTEST | BCSR0_FULLDPLX); #endif #ifdef CONFIG_RPXLITE *((uchar *) BCSR0) |= BCSR0_ETHEN; #endif #if defined(CONFIG_QS860T) /* * PB27=FDE-, set output low for full duplex * PB26=Link Test Enable, normally high output */ immr->im_cpm.cp_pbdir |= 0x00000030; immr->im_cpm.cp_pbdat |= 0x00000020; immr->im_cpm.cp_pbdat &= ~0x00000010; #endif /* QS860T */ #ifdef CONFIG_MBX board_ether_init (); #endif #if defined(CONFIG_NETVIA) #if defined(PA_ENET_PDN) immr->im_ioport.iop_papar &= ~PA_ENET_PDN; immr->im_ioport.iop_padir |= PA_ENET_PDN; immr->im_ioport.iop_padat |= PA_ENET_PDN; #elif defined(PB_ENET_PDN) immr->im_cpm.cp_pbpar &= ~PB_ENET_PDN; immr->im_cpm.cp_pbdir |= PB_ENET_PDN; immr->im_cpm.cp_pbdat |= PB_ENET_PDN; #elif defined(PC_ENET_PDN) immr->im_ioport.iop_pcpar &= ~PC_ENET_PDN; immr->im_ioport.iop_pcdir |= PC_ENET_PDN; immr->im_ioport.iop_pcdat |= PC_ENET_PDN; #elif defined(PD_ENET_PDN) immr->im_ioport.iop_pdpar &= ~PD_ENET_PDN; immr->im_ioport.iop_pddir |= PD_ENET_PDN; immr->im_ioport.iop_pddat |= PD_ENET_PDN; #endif #endif /* * Set the ENT/ENR bits in the GSMR Low -- Enable Transmit/Receive */ immr->im_cpm.cp_scc[SCC_ENET].scc_gsmrl |= (SCC_GSMRL_ENR | SCC_GSMRL_ENT); /* * Work around transmit problem with first eth packet */ #if defined (CONFIG_FADS) udelay (10000); /* wait 10 ms */ #elif defined (CONFIG_AMX860) || defined(CONFIG_RPXCLASSIC) udelay (100000); /* wait 100 ms */ #endif return 1; }
/* * This is the next part if the initialization sequence: we are now * running from RAM and have a "normal" C environment, i. e. global * data can be written, BSS has been cleared, the stack size in not * that critical any more, etc. */ void board_init_r(gd_t *id, ulong dest_addr) { char *s; bd_t *bd; ulong malloc_start; extern void malloc_bin_reloc(void); gd = id; bd = gd->bd; gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ monitor_flash_len = &_end - &_start; debug("monitor flash len: %08lX\n", monitor_flash_len); board_init(); /* Setup chipselects */ #if defined(CONFIG_NEEDS_MANUAL_RELOC) /* * We have to relocate the command table manually */ fixup_cmdtable(&__u_boot_cmd_start, (ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start)); #endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */ #ifdef CONFIG_SERIAL_MULTI serial_initialize(); #endif debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr); /* 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); malloc_bin_reloc(); #ifndef CONFIG_SYS_NO_FLASH /* configure available FLASH banks */ gd->bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; gd->bd->bi_flashsize = flash_init(); gd->bd->bi_flashoffset = CONFIG_SYS_FLASH_BASE + gd->bd->bi_flashsize; if (gd->bd->bi_flashsize) display_flash_config(gd->bd->bi_flashsize); #endif /* CONFIG_SYS_NO_FLASH */ #if defined(CONFIG_CMD_NAND) puts("NAND: "); nand_init(); /* go init the NAND */ #endif #if defined(CONFIG_CMD_IDE) puts("IDE: "); ide_init(); #endif #ifdef CONFIG_GENERIC_MMC puts("MMC: "); mmc_initialize(gd->bd); #endif /* initialize environment */ env_relocate(); #if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI) nds32_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 #if defined(CONFIG_USE_IRQ) /* set up exceptions */ interrupt_init(); /* enable exceptions */ enable_interrupts(); #endif /* Initialize from environment */ load_addr = getenv_ulong("loadaddr", 16, load_addr); #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 #if defined(CONFIG_CMD_NET) puts("Net: "); eth_initialize(gd->bd); #if defined(CONFIG_RESET_PHY_R) debug("Reset Ethernet PHY\n"); reset_phy(); #endif #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 */ }
void board_init_r(gd_t *id, ulong dest_addr) { ulong malloc_start; #if !defined(CONFIG_SYS_NO_FLASH) ulong flash_size; #endif gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r"); monitor_flash_len = (ulong)&__rel_dyn_end - (ulong)_start; /* Enable caches */ enable_caches(); debug("monitor flash len: %08lX\n", monitor_flash_len); board_init(); /* Setup chipselects */ /* * TODO: printing of the clock inforamtion of the board is now * implemented as part of bdinfo command. Currently only support for * davinci SOC's is added. Remove this check once all the board * implement this. */ #ifdef CONFIG_CLOCKS set_cpu_clk_info(); /* Setup clock information */ #endif serial_initialize(); 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); #ifdef CONFIG_ARCH_EARLY_INIT_R arch_early_init_r(); #endif power_init_board(); #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 */ if (getenv_yesno("flashchecksum") == 1) { 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 #if defined(CONFIG_CMD_NAND) puts("NAND: "); nand_init(); /* go init the NAND */ #endif #if defined(CONFIG_CMD_ONENAND) onenand_init(); #endif #ifdef CONFIG_GENERIC_MMC puts("MMC: "); mmc_initialize(gd->bd); #endif #ifdef CONFIG_CMD_SCSI puts("SCSI: "); scsi_init(); #endif #ifdef CONFIG_HAS_DATAFLASH AT91F_DataflashInit(); dataflash_print_info(); #endif /* initialize environment */ if (should_load_env()) env_relocate(); else set_default_env(NULL); #if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI) arm_pci_init(); #endif 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 */ #ifdef CONFIG_DISPLAY_BOARDINFO_LATE # ifdef CONFIG_OF_CONTROL /* Put this here so it appears on the LCD, now it is ready */ display_fdt_model(gd->fdt_blob); # else checkboard(); # endif #endif #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(); /* Initialize from environment */ load_addr = getenv_ulong("loadaddr", 16, load_addr); #ifdef CONFIG_BOARD_LATE_INIT board_late_init(); #endif #ifdef CONFIG_FASTBOOT fastboot_setup(); #endif #ifdef CONFIG_BITBANGMII bb_miiphy_init(); #endif #if defined(CONFIG_CMD_NET) puts("Net: "); 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 = 0; uchar memsz[32]; #ifdef CONFIG_PRAM pram = getenv_ulong("pram", 10, CONFIG_PRAM); #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 #ifdef CONFIG_FASTBOOT check_fastboot(); #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 */ }
/***************************************** * Routine: ddr_init * Description: Configure DDR * EMIF1 -- CS0 -- DDR1 (256 MB) * EMIF2 -- CS0 -- DDR2 (256 MB) *****************************************/ void do_ddr_init(const struct ddr_regs *emif1_ddr_regs, const struct ddr_regs *emif2_ddr_regs) { unsigned int rev; rev = omap_revision(); if (rev == OMAP4430_ES1_0) { /* Configure the Control Module DDRIO device */ __raw_writel(0x1c1c1c1c, 0x4A100638); __raw_writel(0x1c1c1c1c, 0x4A10063c); __raw_writel(0x1c1c1c1c, 0x4A100640); __raw_writel(0x1c1c1c1c, 0x4A100648); __raw_writel(0x1c1c1c1c, 0x4A10064c); __raw_writel(0x1c1c1c1c, 0x4A100650); /* LPDDR2IO set to NMOS PTV */ __raw_writel(0x00ffc000, 0x4A100704); } else if (rev == OMAP4430_ES2_0) { __raw_writel(0x9e9e9e9e, 0x4A100638); __raw_writel(0x9e9e9e9e, 0x4A10063c); __raw_writel(0x9e9e9e9e, 0x4A100640); __raw_writel(0x9e9e9e9e, 0x4A100648); __raw_writel(0x9e9e9e9e, 0x4A10064c); __raw_writel(0x9e9e9e9e, 0x4A100650); /* LPDDR2IO set to NMOS PTV */ __raw_writel(0x00ffc000, 0x4A100704); } else if (rev >= OMAP4430_ES2_1) { __raw_writel(0x7c7c7c7c, 0x4A100638); __raw_writel(0x7c7c7c7c, 0x4A10063c); __raw_writel(0x7c787c00, 0x4A100640); __raw_writel(0x7c7c7c7c, 0x4A100648); __raw_writel(0x7c7c7c7c, 0x4A10064c); __raw_writel(0x7c787c00, 0x4A100650); /* * Adjust Internal Vref controls to reduce leakage * for chip retention (Core OSWR) */ __raw_writel(0xa388bc03, 0x4A100644); __raw_writel(0xa388bc03, 0x4A100654); /* LPDDR2IO set to NMOS PTV */ /* To be updated according to Process */ /*__raw_writel(0x00ffc000, 0x4A100704); */ } /* DDR needs to be initialised @ 19.2 MHz * So put core DPLL in bypass mode * Configure the Core DPLL but don't lock it */ configure_core_dpll_no_lock(); /* No IDLE: BUG in SDC */ __raw_writel(0x0, EMIF1_BASE + EMIF_PWR_MGMT_CTRL); __raw_writel(0x0, EMIF2_BASE + EMIF_PWR_MGMT_CTRL); /* Configure EMIF1 */ emif_config(EMIF1_BASE, emif1_ddr_regs); /* Configure EMIF2 */ emif_config(EMIF2_BASE, emif2_ddr_regs); /* Lock Core using shadow CM_SHADOW_FREQ_CONFIG1 */ lock_core_dpll_shadow(); /* TODO: SDC needs few hacks to get DDR freq update working */ /* Set DLL_OVERRIDE = 0 */ __raw_writel(0x0, CM_DLL_CTRL); spin_delay(200); /* Check for DDR PHY ready for EMIF1 & EMIF2 */ while(((__raw_readl(EMIF1_BASE + EMIF_STATUS) & 0x04) != 0x04) || ((__raw_readl(EMIF2_BASE + EMIF_STATUS) & 0x04) != 0x04)); /* Reprogram the DDR PYHY Control register */ /* PHY control values */ sr32(CM_MEMIF_EMIF_1_CLKCTRL, 0, 32, 0x1); sr32(CM_MEMIF_EMIF_2_CLKCTRL, 0, 32, 0x1); /* Put the Core Subsystem PD to ON State */ /* No IDLE: BUG in SDC */ __raw_writel(0x80000000, EMIF1_BASE + EMIF_PWR_MGMT_CTRL); __raw_writel(0x80000000, EMIF2_BASE + EMIF_PWR_MGMT_CTRL); /* SYSTEM BUG: * In n a specific situation, the OCP interface between the DMM and * EMIF may hang. * 1. A TILER port is used to perform 2D burst writes of * width 1 and height 8 * 2. ELLAn port is used to perform reads * 3. All accesses are routed to the same EMIF controller * * Work around to avoid this issue REG_SYS_THRESH_MAX value should * be kept higher than default 0x7. As per recommondation 0x0A will * be used for better performance with REG_LL_THRESH_MAX = 0x00 */ if (omap_revision() >= OMAP4460_ES1_0) { __raw_writel(0x0A300000, EMIF1_BASE + EMIF_L3_CONFIG); __raw_writel(0x0A300000, EMIF2_BASE + EMIF_L3_CONFIG); } else { __raw_writel(0x0A0000FF, EMIF1_BASE + EMIF_L3_CONFIG); __raw_writel(0x0A0000FF, EMIF2_BASE + EMIF_L3_CONFIG); } reset_phy(EMIF1_BASE); reset_phy(EMIF2_BASE); }
void board_init_r(gd_t *id, ulong dest_addr) { ulong malloc_start; #if !defined(CONFIG_SYS_NO_FLASH) ulong flash_size; #endif gd = id; gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r"); monitor_flash_len = _end_ofs;/*u-boot.lds中定义*/ /* Enable caches */ enable_caches(); debug("monitor flash len: %08lX\n", monitor_flash_len); board_init(); /* Setup chipselects//打印一些版本信息,电源管理信息 */ /* * TODO: printing of the clock inforamtion of the board is now * implemented as part of bdinfo command. Currently only support for * davinci SOC's is added. Remove this check once all the board * implement this. */ #ifdef CONFIG_CLOCKS set_cpu_clk_info(); /* Setup clock information */ #endif #ifdef CONFIG_SERIAL_MULTI #ifndef CONFIG_CPU_EXYNOS5410 serial_initialize(); #endif #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); #ifdef CONFIG_ARCH_EARLY_INIT_R arch_early_init_r(); #endif #if !defined(CONFIG_SYS_NO_FLASH) puts("Flash: "); flash_size = flash_init(); if (flash_size > 0) { # ifdef CONFIG_SYS_FLASH_CHECKSUM char *s = getenv("flashchecksum"); print_size(flash_size, ""); /* * Compute and print flash CRC if flashchecksum is set to 'y' * * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX */ 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 #if defined(CONFIG_CMD_NAND) puts("NAND: "); nand_init(); /* go init the NAND */ #endif #if defined(CONFIG_CMD_ONENAND) onenand_init(); #endif #ifdef CONFIG_GENERIC_MMC puts("MMC: "); mmc_initialize(gd->bd); #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 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 */ load_addr = getenv_ulong("loadaddr", 16, load_addr); #ifdef CONFIG_BOARD_LATE_INIT board_late_init();//晚点执行的初始化在smdk5420.c #endif #ifdef CONFIG_BITBANGMII bb_miiphy_init(); #endif #if defined(CONFIG_CMD_NET) puts("Net: "); 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 = 0; uchar memsz[32]; #ifdef CONFIG_PRAM pram = getenv_ulong("pram", 10, CONFIG_PRAM); #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();//进入命令行模式 } /* NOTREACHED - no way out of command loop except booting */ }
void board_init_r(gd_t *id, ulong dest_addr) { char *s; //bd_t *bd; ulong malloc_start; #ifdef CONFIG_NONCACHE_MEMORY uint malloc_noncache_start; #endif #if !defined(CONFIG_SYS_NO_FLASH) ulong flash_size; #endif int workmode; int ret; gd = id; //bd = gd->bd; gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ monitor_flash_len = _end_ofs; malloc_start = dest_addr - TOTAL_MALLOC_LEN - sizeof(struct spare_boot_head_t); #ifdef CONFIG_NONCACHE_MEMORY_SIZE malloc_start &= (~(0x00100000 -1)); malloc_noncache_start = malloc_start - CONFIG_NONCACHE_MEMORY_SIZE; gd->malloc_noncache_start = malloc_noncache_start; #endif /* Enable caches */ enable_caches(); debug("monitor flash len: %08lX\n", monitor_flash_len); 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 */ mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN); #ifdef CONFIG_NONCACHE_MEMORY mem_noncache_malloc_init(malloc_noncache_start, CONFIG_NONCACHE_MEMORY_SIZE); #endif workmode = uboot_spare_head.boot_data.work_mode; debug("work mode %d\n", workmode); axp_reinit(); //uboot_spare_head.boot_data.work_mode = WORK_MODE_CARD_PRODUCT; #ifdef CONFIG_ARCH_HOMELET gpio_control(); #endif #if 0 #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 #endif /* set up exceptions */ interrupt_init(); /* enable exceptions */ enable_interrupts(); sunxi_dma_init(); #ifdef CONFIG_ALLWINNER #ifdef DEBUG puts("ready to config storage\n"); #endif if((workmode == WORK_MODE_BOOT) || (workmode == WORK_MODE_CARD_PRODUCT)) { #if defined(CONFIG_SUNXI_DISPLAY) drv_disp_init(); #endif board_display_device_open(); board_display_layer_request(); } ret = sunxi_flash_handle_init(); if(!ret) { 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*/ #ifdef CONFIG_ARCH_HOMELET extern int check_boot_recovery_key(); extern int sprite_form_sysrecovery(); extern int sprite_led_init(void); extern int sprite_led_exit(int status); if (!check_boot_recovery_key()) { sprite_led_init(); ret = sprite_form_sysrecovery(); sprite_led_exit(ret); } #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 /* 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 //sprite_cartoon_test(); if(workmode == WORK_MODE_BOOT) { #if defined(CONFIG_SUNXI_SCRIPT_REINIT) { FATFS script_mount; int ret; uint read_bytes = 0; FIL script_fs; uchar *buf = NULL; f_mount(0, &script_mount); ret = f_open (&script_fs, "0:script.bin", FA_OPEN_EXISTING | FA_READ | FA_WRITE ); if(ret) { printf("cant open script.bin, maybe it is not exist\n"); } else { buf = (uchar *)malloc(100 * 1024); memset(buf, 0, 100 * 1024); if(!f_read(&script_fs, buf, 100 * 1024, &read_bytes)) { printf("f_read read bytes = %d\n", read_bytes); } f_close(&script_fs); puts("try to unlink file "); printf("%d\n", f_unlink("0:script.bin")); } f_mount(0, NULL); if(read_bytes > 0) { char *tmp_target_buffer = (char *)(CONFIG_SYS_TEXT_BASE - 0x01000000); sunxi_flash_exit(1); memcpy(tmp_target_buffer + uboot_spare_head.boot_head.uboot_length, buf, read_bytes); sunxi_sprite_download_uboot(tmp_target_buffer, uboot_spare_head.boot_data.storage_type, 1); reset_cpu(0); } if(buf) { free(buf); } } #endif printf("WORK_MODE_BOOT\n"); #ifdef CONFIG_ALLWINNER #if (defined(CONFIG_SUN6I) || defined(CONFIG_A50) || defined(CONFIG_SUN7I)) if(!ret) { #ifndef CONFIG_ARCH_HOMELET printf("board_status_probe\n"); board_status_probe(0); #endif printf("sunxi_bmp_display\n"); sunxi_bmp_display("bootlogo.bmp"); } #endif printf("WORK_MODE_BOOT\n"); #endif } /* main_loop() can return to retry autoboot, if so just run it again. */ for (;;) { main_loop(); } hang(); /* NOTREACHED - no way out of command loop except booting */ }
void board_init_r(gd_t *id, ulong dest_addr) { char *s; ulong size; static bd_t bd_data; static gd_t gd_data; init_fnc_t **init_fnc_ptr; show_boot_progress(0x21); /* Global data pointer is now writable */ gd = &gd_data; memcpy(gd, id, sizeof(gd_t)); /* compiler optimization barrier needed for GCC >= 3.4 */ __asm__ __volatile__("": : :"memory"); gd->bd = &bd_data; memset (gd->bd, 0, sizeof (bd_t)); show_boot_progress(0x22); gd->baudrate = CONFIG_BAUDRATE; mem_malloc_init((((ulong)dest_addr - CONFIG_SYS_MALLOC_LEN)+3)&~3, CONFIG_SYS_MALLOC_LEN); for (init_fnc_ptr = init_sequence_r; *init_fnc_ptr; ++init_fnc_ptr) { if ((*init_fnc_ptr)() != 0) hang (); } show_boot_progress(0x23); #ifdef CONFIG_SERIAL_MULTI serial_initialize(); #endif /* configure available FLASH banks */ size = flash_init(); display_flash_config(size); show_boot_progress(0x24); show_boot_progress(0x25); /* initialize environment */ env_relocate (); show_boot_progress(0x26); #ifdef CONFIG_CMD_NET /* IP Address */ bd_data.bi_ip_addr = getenv_IPaddr ("ipaddr"); #endif #if defined(CONFIG_PCI) /* * Do pci configuration */ pci_init(); #endif show_boot_progress(0x27); stdio_init (); jumptable_init (); /* Initialize the console (after the relocation and devices init) */ console_init_r(); #ifdef CONFIG_MISC_INIT_R /* miscellaneous platform dependent initialisations */ misc_init_r(); #endif #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE) WATCHDOG_RESET(); puts ("PCMCIA:"); pcmcia_init(); #endif #if defined(CONFIG_CMD_KGDB) WATCHDOG_RESET(); puts("KGDB: "); kgdb_init(); #endif /* enable exceptions */ enable_interrupts(); show_boot_progress(0x28); #ifdef CONFIG_STATUS_LED status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING); #endif udelay(20); /* Initialize from environment */ load_addr = getenv_ulong("loadaddr", 16, load_addr); #if defined(CONFIG_CMD_NET) if ((s = getenv ("bootfile")) != NULL) { copy_filename (BootFile, s, sizeof (BootFile)); } #endif WATCHDOG_RESET(); #if defined(CONFIG_CMD_IDE) WATCHDOG_RESET(); puts("IDE: "); ide_init(); #endif #if defined(CONFIG_CMD_SCSI) WATCHDOG_RESET(); puts("SCSI: "); scsi_init(); #endif #if defined(CONFIG_CMD_DOC) WATCHDOG_RESET(); puts("DOC: "); doc_init(); #endif #ifdef CONFIG_BITBANGMII bb_miiphy_init(); #endif #if defined(CONFIG_CMD_NET) WATCHDOG_RESET(); puts("Net: "); eth_initialize(gd->bd); #endif #if ( defined(CONFIG_CMD_NET)) && (0) WATCHDOG_RESET(); # ifdef DEBUG puts ("Reset Ethernet PHY\n"); # endif reset_phy(); #endif #ifdef CONFIG_LAST_STAGE_INIT WATCHDOG_RESET(); /* * Some parts can be only initialized if all others (like * Interrupts) are up and running (i.e. the PC-style ISA * keyboard). */ last_stage_init(); #endif #ifdef CONFIG_POST post_run (NULL, POST_RAM | post_bootmode_get(0)); #endif show_boot_progress(0x29); /* 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 */ }
/* ************************************************************************ * * This is the next part if the initialization sequence: we are now * running from RAM and have a "normal" C environment, i. e. global * data can be written, BSS has been cleared, the stack size in not * that critical any more, etc. * ************************************************************************ */ void board_init_r(gd_t *id, ulong dest_addr) { char *s; //bd_t *bd; ulong malloc_start; #ifdef CONFIG_NONCACHE_MEMORY uint malloc_noncache_start; #endif #if !defined(CONFIG_SYS_NO_FLASH) ulong flash_size; #endif int workmode; int ret; #ifdef CONFIG_SUNXI_HDCP_IN_SECURESTORAGE int hdcpkey_enable=0; #endif char storage_type_buf[24] = {0}; char boot_mmc_buf[24] = {0}; gd = id; //bd = gd->bd; gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ monitor_flash_len = _end_ofs; malloc_start = dest_addr - TOTAL_MALLOC_LEN - sizeof(struct spare_boot_head_t); #ifdef CONFIG_NONCACHE_MEMORY_SIZE malloc_start &= (~(0x00100000 -1)); malloc_noncache_start = malloc_start - CONFIG_NONCACHE_MEMORY_SIZE; gd->malloc_noncache_start = malloc_noncache_start; #endif /* Enable caches */ enable_caches(); debug("monitor flash len: %08lX\n", monitor_flash_len); 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 */ mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN); #ifdef CONFIG_SMALL_MEMSIZE save_config(); #endif #ifdef CONFIG_NONCACHE_MEMORY mem_noncache_malloc_init(malloc_noncache_start, CONFIG_NONCACHE_MEMORY_SIZE); #endif #if defined(CONFIG_ARCH_HOMELET) check_physical_key_early(); #endif workmode = uboot_spare_head.boot_data.work_mode; debug("work mode %d\n", workmode); axp_reinit(); //uboot_spare_head.boot_data.work_mode = WORK_MODE_CARD_PRODUCT; #if defined(CONFIG_CPUS_STANDBY) //Ŀǰֻ��homelet��ʹ�� do_box_standby(); #endif #ifdef CONFIG_ARCH_HOMELET gpio_control(); #endif #if 0 #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 #endif /* set up exceptions */ interrupt_init(); /* enable exceptions */ enable_interrupts(); sunxi_dma_init(); #ifdef CONFIG_USE_CIR //����ӿڣ�Ŀǰֻ���ں��� A20 if (uboot_spare_head.boot_data.work_mode == WORK_MODE_BOOT) { ir_setup(); } #endif #ifdef DEBUG puts("ready to config storage\n"); #endif #ifdef CONFIG_ARCH_HOMELET //for homlet to use one-key-recovery ret = sunxi_flash_handle_init(); if(!ret) { sunxi_partition_init(); } #endif #ifndef CONFIG_ARCH_SUN8IW8P1 if((workmode == WORK_MODE_BOOT) || (workmode == WORK_MODE_CARD_PRODUCT) || (workmode == WORK_MODE_SPRITE_RECOVERY)) { #else if((workmode == WORK_MODE_CARD_PRODUCT) || (workmode == WORK_MODE_SPRITE_RECOVERY)) { #endif #if (defined(CONFIG_SUNXI_DISPLAY) || defined(CONFIG_SUN7I_DISPLAY)) drv_disp_init(); #endif #ifdef CONFIG_SUNXI_HDCP_IN_SECURESTORAGE int tmp = 0; tmp = script_parser_fetch("hdmi_para", "hdmi_hdcp_enable", &hdcpkey_enable, 1); if((tmp) || (hdcpkey_enable != 1)) { board_display_device_open(); board_display_layer_request(); } #else board_display_device_open(); board_display_layer_request(); #endif } #ifndef CONFIG_ARCH_HOMELET //for pad used ret = sunxi_flash_handle_init(); if(!ret) { sunxi_partition_init(); } #endif #ifdef CONFIG_SUNXI_HDCP_IN_SECURESTORAGE //here: write key to hardware if(hdcpkey_enable==1) { char buffer[4096]; int data_len; int ret0; memset(buffer, 0, 4096); ret0 = sunxi_secure_storage_init(); if(ret0) { printf("sunxi init secure storage failed\n"); } else { ret0 = sunxi_secure_object_read("hdcpkey", buffer, 4096, &data_len); if(ret0) { printf("probe hdcp key failed\n"); } else { ret0 = smc_aes_bssk_decrypt_to_keysram(buffer, data_len); if(ret0) { printf("push hdcp key failed\n"); } else { board_display_device_open(); board_display_layer_request(); } } } } #endif #ifdef CONFIG_BOOT_A15 if(sunxi_sprite_download_boot0_simple()) { printf("rewrite boot0 to save boot cpu failed\n"); } #endif #ifndef CONFIG_SUNXI_SPINOR_PLATFORM sunxi_keydata_burn_by_usb(); #endif //#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*/ #ifdef CONFIG_HAS_DATAFLASH AT91F_DataflashInit(); dataflash_print_info(); #endif /* initialize environment */ env_relocate(); /* setenv storage_type */ sprintf(storage_type_buf, "%d", uboot_spare_head.boot_data.storage_type); if (setenv("storage_type", storage_type_buf)) printf("set storage_type=%s fail\n", storage_type_buf); if (uboot_spare_head.boot_data.storage_type == 1) sprintf(boot_mmc_buf, "%s", "0"); else sprintf(boot_mmc_buf, "%s", "2"); setenv("boot_mmc", boot_mmc_buf); #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 /* 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 //sprite_cartoon_test(); if(workmode == WORK_MODE_BOOT) { #if defined(CONFIG_SUNXI_SCRIPT_REINIT) { FATFS script_mount; int ret; uint read_bytes = 0; FILE script_fs; uchar *buf = NULL; f_mount_ex(0, &script_mount, 0); ret = f_open (&script_fs, "0:script.bin", FA_OPEN_EXISTING | FA_READ | FA_WRITE ); if(ret) { printf("cant open script.bin, maybe it is not exist\n"); } else { buf = (uchar *)malloc(100 * 1024); memset(buf, 0, 100 * 1024); if(!f_read(&script_fs, buf, 100 * 1024, &read_bytes)) { printf("f_read read bytes = %d\n", read_bytes); } f_close(&script_fs); puts("try to unlink file "); printf("%d\n", f_unlink("0:script.bin")); } f_mount(0, NULL, NULL); if(read_bytes > 0) { char *tmp_target_buffer = (char *)(CONFIG_SYS_TEXT_BASE - 0x01000000); sunxi_flash_exit(1); memcpy(tmp_target_buffer + uboot_spare_head.boot_head.uboot_length, buf, read_bytes); sunxi_sprite_download_uboot(tmp_target_buffer, uboot_spare_head.boot_data.storage_type, 1); reset_cpu(0); } if(buf) { free(buf); } } #endif printf("WORK_MODE_BOOT\n"); #if (defined(CONFIG_SUNXI_DISPLAY) || defined(CONFIG_SUN7I_DISPLAY)) if(!ret) { #ifndef CONFIG_ARCH_HOMELET printf("board_status_probe\n"); board_status_probe(0); #endif if(!gd->chargemode) { if(sunxi_advert_disp_probe()) { printf("sunxi_bmp_logo_display\n"); sunxi_bmp_display("bootlogo.bmp"); } else { if(sunxi_advert_display("Reserve0", "advert.bmp")) { printf("sunxi_bmp_logo_display\n"); sunxi_bmp_display("bootlogo.bmp"); } } } else { printf("sunxi_bmp_charger_display\n"); sunxi_bmp_display("bat\\battery_charge.bmp"); } } #endif #ifdef CONFIG_READ_LOGO_FOR_KERNEL sunxi_read_bootlogo("boot_logo"); #endif } /* main_loop() can return to retry autoboot, if so just run it again. */ for (;;) { main_loop(); } hang(); /* NOTREACHED - no way out of command loop except booting */ } void hang(void) { puts("### ERROR ### Please RESET the board ###\n"); for (;;); }
void board_init_f(ulong bootflag) { cmd_tbl_t *cmdtp; bd_t *bd; unsigned char *s; init_fnc_t **init_fnc_ptr; int j; int i; char *e; #ifndef CONFIG_SYS_NO_FLASH ulong flash_size; #endif gd = (gd_t *) (CONFIG_SYS_GBL_DATA_OFFSET); /* Clear initial global data */ memset((void *)gd, 0, sizeof(gd_t)); gd->bd = (bd_t *) (gd + 1); /* At end of global data */ gd->baudrate = CONFIG_BAUDRATE; gd->cpu_clk = CONFIG_SYS_CLK_FREQ; bd = gd->bd; bd->bi_memstart = CONFIG_SYS_RAM_BASE; bd->bi_memsize = CONFIG_SYS_RAM_SIZE; bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; #if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE) bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; #endif bd->bi_baudrate = CONFIG_BAUDRATE; bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */ gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ gd->reloc_off = CONFIG_SYS_RELOC_MONITOR_BASE - CONFIG_SYS_MONITOR_BASE; for (init_fnc_ptr = init_sequence, j = 0; *init_fnc_ptr; ++init_fnc_ptr, j++) { #ifdef DEBUG_INIT_SEQUENCE if (j > 9) str_init_seq[9] = '0' + (j / 10); str_init_seq[10] = '0' + (j - (j / 10) * 10); serial_puts(str_init_seq); #endif if ((*init_fnc_ptr + gd->reloc_off) () != 0) { hang(); } } #ifdef DEBUG_INIT_SEQUENCE serial_puts(str_init_seq_done); #endif /* * Now that we have DRAM mapped and working, we can * relocate the code and continue running from DRAM. * * Reserve memory at end of RAM for (top down in that order): * - kernel log buffer * - protected RAM * - LCD framebuffer * - monitor code * - board info struct */ #ifdef DEBUG_MEM_LAYOUT printf("CONFIG_SYS_MONITOR_BASE: 0x%lx\n", CONFIG_SYS_MONITOR_BASE); printf("CONFIG_ENV_ADDR: 0x%lx\n", CONFIG_ENV_ADDR); printf("CONFIG_SYS_RELOC_MONITOR_BASE: 0x%lx (%d)\n", CONFIG_SYS_RELOC_MONITOR_BASE, CONFIG_SYS_MONITOR_LEN); printf("CONFIG_SYS_MALLOC_BASE: 0x%lx (%d)\n", CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN); printf("CONFIG_SYS_INIT_SP_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_INIT_SP_OFFSET, CONFIG_SYS_STACK_SIZE); printf("CONFIG_SYS_PROM_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_PROM_OFFSET, CONFIG_SYS_PROM_SIZE); printf("CONFIG_SYS_GBL_DATA_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_GBL_DATA_OFFSET, CONFIG_SYS_GBL_DATA_SIZE); #endif #ifdef CONFIG_POST post_bootmode_init(); post_run(NULL, POST_ROM | post_bootmode_get(0)); #endif /* * We have to relocate the command table manually */ for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) { ulong addr; addr = (ulong) (cmdtp->cmd) + gd->reloc_off; #if DEBUG_COMMANDS printf("Command \"%s\": 0x%08lx => 0x%08lx\n", cmdtp->name, (ulong) (cmdtp->cmd), addr); #endif cmdtp->cmd = (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr; addr = (ulong) (cmdtp->name) + gd->reloc_off; cmdtp->name = (char *)addr; if (cmdtp->usage) { addr = (ulong) (cmdtp->usage) + gd->reloc_off; cmdtp->usage = (char *)addr; } #ifdef CONFIG_SYS_LONGHELP if (cmdtp->help) { addr = (ulong) (cmdtp->help) + gd->reloc_off; cmdtp->help = (char *)addr; } #endif } #if defined(CONFIG_CMD_AMBAPP) && defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP) puts("AMBA:\n"); do_ambapp_print(NULL, 0, 0, NULL); #endif /* initialize higher level parts of CPU like time base and timers */ cpu_init_r(); /* start timer */ timer_interrupt_init(); /* * Enable Interrupts before any calls to udelay, * the flash driver may use udelay resulting in * a hang if not timer0 IRQ is enabled. */ interrupt_init(); /* The Malloc area is immediately below the monitor copy in RAM */ mem_malloc_init(CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_END - CONFIG_SYS_MALLOC_BASE); malloc_bin_reloc(); #if !defined(CONFIG_SYS_NO_FLASH) puts("FLASH: "); if ((flash_size = flash_init()) > 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: %08lX", 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(); } bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */ bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */ #if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */ #else bd->bi_flashoffset = 0; #endif #else /* CONFIG_SYS_NO_FLASH */ bd->bi_flashsize = 0; bd->bi_flashstart = 0; bd->bi_flashoffset = 0; #endif /* !CONFIG_SYS_NO_FLASH */ #ifdef CONFIG_SPI # if !defined(CONFIG_ENV_IS_IN_EEPROM) spi_init_f(); # endif spi_init_r(); #endif /* relocate environment function pointers etc. */ env_relocate(); #if defined(CONFIG_BOARD_LATE_INIT) board_late_init(); #endif #ifdef CONFIG_ID_EEPROM mac_read_from_eeprom(); #endif /* IP Address */ bd->bi_ip_addr = getenv_IPaddr("ipaddr"); #if defined(CONFIG_PCI) /* * Do pci configuration */ pci_init(); #endif /* Initialize stdio devices */ stdio_init(); /* Initialize the jump table for applications */ jumptable_init(); /* Initialize the console (after the relocation and devices init) */ console_init_r(); #ifdef CONFIG_SERIAL_SOFTWARE_FIFO serial_buffered_init(); #endif #ifdef CONFIG_STATUS_LED status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING); #endif udelay(20); set_timer(0); /* Initialize from environment */ if ((s = getenv("loadaddr")) != NULL) { load_addr = simple_strtoul(s, NULL, 16); } #if defined(CONFIG_CMD_NET) if ((s = getenv("bootfile")) != NULL) { copy_filename(BootFile, s, sizeof(BootFile)); } #endif /* CONFIG_CMD_NET */ WATCHDOG_RESET(); #if defined(CONFIG_CMD_DOC) WATCHDOG_RESET(); puts("DOC: "); doc_init(); #endif #ifdef CONFIG_BITBANGMII bb_miiphy_init(); #endif #if defined(CONFIG_CMD_NET) #if defined(CONFIG_NET_MULTI) WATCHDOG_RESET(); puts("Net: "); #endif eth_initialize(bd); #endif #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R) WATCHDOG_RESET(); debug("Reset Ethernet PHY\n"); reset_phy(); #endif #ifdef CONFIG_POST post_run(NULL, POST_RAM | post_bootmode_get(0)); #endif #if defined(CONFIG_CMD_IDE) WATCHDOG_RESET(); puts("IDE: "); ide_init(); #endif /* CONFIG_CMD_IDE */ #ifdef CONFIG_LAST_STAGE_INIT WATCHDOG_RESET(); /* * Some parts can be only initialized if all others (like * Interrupts) are up and running (i.e. the PC-style ISA * keyboard). */ last_stage_init(); #endif #ifdef CONFIG_PS2KBD puts("PS/2: "); kbd_init(); #endif prom_init(); /* main_loop */ for (;;) { WATCHDOG_RESET(); main_loop(); } }
void start_arcboot(void) { DECLARE_GLOBAL_DATA_PTR; static gd_t gd_data; static bd_t bd_data; init_fnc_t **init_fnc_ptr; extern void *__text_end; unsigned stage = sizeof(init_sequence)/sizeof(init_sequence[0]); show_boot_progress(stage--); /* Init Global Data */ gd = global_data = &gd_data; gd->bd = &bd_data; gd->cpu_clk=get_cpu_clk(); gd->bd->bi_boot_params=BOOT_PARAMS_OFFSET; gd->bd->bi_memstart=PHYS_MEMORY_START; gd->bd->bi_memsize=PHYS_MEMORY_SIZE; gd->bd->bi_flashstart=CONFIG_SYS_FLASH_BASE; gd->bd->bi_flashoffset=0; /* frame buffer will sit after end of program */ gd->fb_base = TEXT_BASE; for (init_fnc_ptr = init_sequence;*init_fnc_ptr;++init_fnc_ptr) { show_boot_progress(stage--); if ((*init_fnc_ptr)() != 0) { printf("stage:%d",stage); hang(); } } /* Setup malloc area */ mem_malloc_init((ulong)&_start - CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN); // __builtin_arc_sleep(0); #ifdef CONFIG_CMD_NAND puts ("NAND: "); nand_init(); #endif env_relocate(); stdio_init (); /* get the devices list going. */ jumptable_init(); console_init_r(); #ifdef CONFIG_MMC mmc_initialize(&bd_data); #endif #ifdef CONFIG_CMD_NET puts ("Net: "); gd->bd->bi_ip_addr = getenv_IPaddr ("ipaddr"); // eth_io_init(); eth_initialize(gd->bd); #if defined(CONFIG_RESET_PHY_R) debug ("Reset Ethernet PHY\n"); reset_phy(); #endif #endif #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 #if defined(CONFIG_CMD_KGDB) puts("KGDB: "); kgdb_init(); #endif /* enable exceptions */ enable_interrupts (); icache_enable(); dcache_enable(); printf("Dcache status %d\n",dcache_status()); printf("Icache status %d\n",icache_status()); #ifdef CONFIG_A3_DISPLAY osd_display(); #endif #ifdef CONFIG_A3_I2C disable_i2c_pinmux();//disable hard i2c pinmux #endif // kgdb_test(); // init_osd_dev() ; for(;;){ main_loop(); } }