src/soc/amd/cezanne/mca.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <amdblocks/mca.h>
   4 #include <cpu/x86/msr.h>
   5 #include <types.h>
   6
   7 static const char *const mca_bank_name[] = {
   8         [0]  = "Load-store unit",
   9         [1]  = "Instruction fetch unit",
  10         [2]  = "L2 cache unit",
  11         [3]  = "Decode unit",
  12         [4]  = "",
  13         [5]  = "Execution unit",
  14         [6]  = "Floating point unit",
  15         [7]  = "L3 cache unit",
  16         [8]  = "L3 cache unit",
  17         [9]  = "L3 cache unit",
  18         [10] = "L3 cache unit",
  19         [11] = "L3 cache unit",
  20         [12] = "L3 cache unit",
  21         [13] = "L3 cache unit",
  22         [14] = "L3 cache unit",
  23         [15] = "",
  24         [16] = "",
  25         [17] = "UMC",
  26         [18] = "UMC",
  27         [19] = "CS",
  28         [20] = "CS",
  29         [21] = "",
  30         [22] = "",
  31         [23] = "",
  32         [24] = "",
  33         [25] = "",
  34         [26] = "",
  35         [27] = "PIE",
  36 };
  37
  38 bool mca_has_expected_bank_count(void)
  39 {
  40         return ARRAY_SIZE(mca_bank_name) == mca_get_bank_count();
  41 }
  42
  43 bool mca_is_valid_bank(unsigned int bank)
  44 {
  45         return (bank < ARRAY_SIZE(mca_bank_name) && mca_bank_name[bank] != NULL);
  46 }
  47
  48 const char *mca_get_bank_name(unsigned int bank)
  49 {
  50         if (mca_is_valid_bank(bank))
  51                 return mca_bank_name[bank];
  52         else
  53                 return "";
  54 }