.

.

.

common/board_r.c

static int initr_env(void)
{
        /* initialize environment */
        if (should_load_env())
                env_relocate();
        else
                set_default_env(NULL);
#ifdef CONFIG_OF_CONTROL
        setenv_addr("fdtcontroladdr", gd->fdt_blob);
#endif

        /* Initialize from environment */
        load_addr = getenv_ulong("loadaddr", 16, load_addr);
#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
         */
        {
                char *s = getenv("i2cfast");

                if (s && ((*s == 'y') || (*s == 'Y'))) {
                        gd->bd->bi_iic_fast[0] = 1;
                        gd->bd->bi_iic_fast[1] = 1;
                }
        }
#endif /* CONFIG_I2CFAST */
#endif /* CONFIG_405GP, CONFIG_405EP */
#endif /* CONFIG_SYS_EXTBDINFO */
        return 0;
}