board/vamrs/rock960_rk3399/rock960-rk3399.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
   4  */
   5
   6 #include <common.h>
   7 #include <dm.h>
   8 #include <dm/pinctrl.h>
   9 #include <dm/uclass-internal.h>
  10 #include <asm/arch-rockchip/periph.h>
  11 #include <power/regulator.h>
  12 #include <spl.h>
  13
  14 int board_init(void)
  15 {
  16         int ret;
  17
  18         ret = regulators_enable_boot_on(false);
  19         if (ret)
  20                 debug("%s: Cannot enable boot on regulator\n", __func__);
  21
  22         return 0;
  23 }
  24
  25 void spl_board_init(void)
  26 {
  27         struct udevice *pinctrl;
  28         int ret;
  29
  30         ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
  31         if (ret) {
  32                 debug("%s: Cannot find pinctrl device\n", __func__);
  33                 goto err;
  34         }
  35
  36         /* Enable debug UART */
  37         ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART_DBG);
  38         if (ret) {
  39                 debug("%s: Failed to set up console UART\n", __func__);
  40                 goto err;
  41         }
  42
  43         preloader_console_init();
  44         return;
  45 err:
  46         printf("%s: Error %d\n", __func__, ret);
  47
  48         /* No way to report error here */
  49         hang();
  50 }