Пример #1
0
void board_init_f(ulong dummy)
{
	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;

	/*
	 * We don't use DMA in SPL, but we do need it in U-Boot. U-Boot
	 * initializes DMA very early (before all board code), so the only
	 * opportunity we have to initialize APBHDMA clocks is in SPL.
	 */
	setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
	enable_usdhc_clk(1, 2);

	arch_cpu_init();
	timer_init();
	cm_fx6_setup_ecspi();
	cm_fx6_setup_uart();
	get_clocks();
	preloader_console_init();
	gpio_direction_output(CM_FX6_GREEN_LED, 1);
	if (cm_fx6_spl_dram_init()) {
		puts("!!!ERROR!!! DRAM detection failed!!!\n");
		hang();
	}

	memset(__bss_start, 0, __bss_end - __bss_start);
	board_init_r(NULL, 0);
}
Пример #2
0
int board_mmc_init(bd_t *bis)
{
	int i;

	cm_fx6_set_usdhc_iomux();
	for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
		usdhc_cfg[i].sdhc_clk = mxc_get_clock(usdhc_clk[i]);
		usdhc_cfg[i].max_bus_width = 4;
		fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
		enable_usdhc_clk(1, i);
	}

	return 0;
}
Пример #3
0
int board_init(void)
{
	int ret;

	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
	cm_fx6_setup_gpmi_nand();

	ret = cm_fx6_setup_ecspi();
	if (ret)
		printf("Warning: ECSPI setup failed: %d\n", ret);

	ret = cm_fx6_setup_usb_otg();
	if (ret)
		printf("Warning: USB OTG setup failed: %d\n", ret);

	ret = cm_fx6_setup_usb_host();
	if (ret)
		printf("Warning: USB host setup failed: %d\n", ret);

	/*
	 * cm-fx6 may have iSSD not assembled and in this case it has
	 * bypasses for a (m)SATA socket on the baseboard. The socketed
	 * device is not controlled by those GPIOs. So just print a warning
	 * if the setup fails.
	 */
	ret = cm_fx6_setup_issd();
	if (ret)
		printf("Warning: iSSD setup failed: %d\n", ret);

	/* Warn on failure but do not abort boot */
	ret = cm_fx6_setup_i2c();
	if (ret)
		printf("Warning: I2C setup failed: %d\n", ret);

	cm_fx6_setup_display();

	/* This should be done in the MMC driver when MX6 has a clock driver */
#ifdef CONFIG_FSL_ESDHC
	if (IS_ENABLED(CONFIG_BLK)) {
		int i;

		cm_fx6_set_usdhc_iomux();
		for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++)
			enable_usdhc_clk(1, i);
	}
#endif

	return 0;
}