arch/arm/cpu/armv8/zynqmp/cpu.c

   1 /*
   2  * (C) Copyright 2014 - 2015 Xilinx, Inc.
   3  * Michal Simek <michal.simek@xilinx.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <asm/arch/hardware.h>
  10 #include <asm/arch/sys_proto.h>
  11 #include <asm/io.h>
  12
  13 #define ZYNQ_SILICON_VER_MASK   0xF000
  14 #define ZYNQ_SILICON_VER_SHIFT  12
  15
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 unsigned int zynqmp_get_silicon_version(void)
  19 {
  20         gd->cpu_clk = get_tbclk();
  21
  22         switch (gd->cpu_clk) {
  23         case 50000000:
  24                 return ZYNQMP_CSU_VERSION_QEMU;
  25         }
  26
  27         return ZYNQMP_CSU_VERSION_EP108;
  28 }