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

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