board/ea/mx7ulp_com/mx7ulp_com.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2016 Freescale Semiconductor, Inc.
   4  */
   5
   6 #include <common.h>
   7 #include <init.h>
   8 #include <asm/io.h>
   9 #include <asm/arch/sys_proto.h>
  10 #include <asm/arch/mx7ulp-pins.h>
  11 #include <asm/arch/iomux.h>
  12 #include <asm/gpio.h>
  13
  14 DECLARE_GLOBAL_DATA_PTR;
  15
  16 #define UART_PAD_CTRL           (PAD_CTL_PUS_UP)
  17
  18 int dram_init(void)
  19 {
  20         gd->ram_size = imx_ddr_size();
  21
  22         return 0;
  23 }
  24
  25 static iomux_cfg_t const lpuart4_pads[] = {
  26         MX7ULP_PAD_PTC3__LPUART4_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
  27         MX7ULP_PAD_PTC2__LPUART4_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
  28 };
  29
  30 static void setup_iomux_uart(void)
  31 {
  32         mx7ulp_iomux_setup_multiple_pads(lpuart4_pads,
  33                                          ARRAY_SIZE(lpuart4_pads));
  34 }
  35
  36 int board_early_init_f(void)
  37 {
  38         setup_iomux_uart();
  39
  40         return 0;
  41 }
  42
  43 int board_init(void)
  44 {
  45         /* address of boot parameters */
  46         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
  47
  48         return 0;
  49 }