arch/arm/mach-davinci/cputype.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * DaVinci CPU type detection
   4  *
   5  * Author: Kevin Hilman, Deep Root Systems, LLC
   6  *
   7  * Defines the cpu_is_*() macros for runtime detection of DaVinci
   8  * device type.  In addition, if support for a given device is not
   9  * compiled in to the kernel, the macros return 0 so that
  10  * resulting code can be optimized out.
  11  *
  12  * 2009 (c) Deep Root Systems, LLC.
  13  */
  14 #ifndef _ASM_ARCH_CPU_H
  15 #define _ASM_ARCH_CPU_H
  16
  17 #include "common.h"
  18
  19 struct davinci_id {
  20         u8      variant;        /* JTAG ID bits 31:28 */
  21         u16     part_no;        /* JTAG ID bits 27:12 */
  22         u16     manufacturer;   /* JTAG ID bits 11:1 */
  23         u32     cpu_id;
  24         char    *name;
  25 };
  26
  27 /* Can use lower 16 bits of cpu id  for a variant when required */
  28 #define DAVINCI_CPU_ID_DA830            0x08300000
  29 #define DAVINCI_CPU_ID_DA850            0x08500000
  30
  31 #endif