LXR uboot/board/microchip/pic32mzda/pic32mzda.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Microchip PIC32MZ[DA] Starter Kit board
   4 *
   5 * Copyright (C) 2015, Microchip Technology Inc.
   6 * Purna Chandra Mandal <purna.mandal@microchip.com>
   7 *
   8 */
   9
  10#include <common.h>
  11#include <dm.h>
  12#include <clk.h>
  13#include <init.h>
  14#include <malloc.h>
  15#include <dt-bindings/clock/microchip,clock.h>
  16#include <mach/pic32.h>
  17
  18#ifdef CONFIG_DISPLAY_BOARDINFO
  19int checkboard(void)
  20{
  21        ulong rate;
  22        struct udevice *dev;
  23        struct clk clk;
  24        int ret;
  25
  26        printf("Core: %s\n", get_core_name());
  27
  28        if (uclass_get_device(UCLASS_CLK, 0, &dev))
  29                return 0;
  30
  31        clk.id = PB7CLK;
  32        ret = clk_request(dev, &clk);
  33        if (ret < 0)
  34                return 0;
  35
  36        rate = clk_get_rate(&clk);
  37        printf("CPU Speed: %lu MHz\n", rate / 1000000);
  38
  39        clk_free(&clk);
  40
  41        return 0;
  42}
  43#endif
  44