コード例 #1
0
ファイル: board_r.c プロジェクト: 96boards-bubblegum/u-boot
static int initr_ambapp_print(void)
{
	puts("AMBA:\n");
	do_ambapp_print(NULL, 0, 0, NULL);

	return 0;
}
コード例 #2
0
ファイル: board.c プロジェクト: Jayjack0116/u-boot
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();
    }

}