src/soc/amd/genoa_poc/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 /* TODO: Check if non-core MCA banks are same for all cores */
   8 static const char *const mca_bank_name[] = {
   9         [0]  = "Load-store unit",
  10         [1]  = "Instruction fetch unit",
  11         [2]  = "L2 cache unit",
  12         [3]  = "Decode unit",
  13         [4]  = "",
  14         [5]  = "Execution unit",
  15         [6]  = "Floating point unit",
  16         [7]  = "L3 cache unit",
  17         [8]  = "L3 cache unit",
  18         [9]  = "L3 cache unit",
  19         [10] = "L3 cache unit",
  20         [11] = "L3 cache unit",
  21         [12] = "L3 cache unit",
  22         [13] = "L3 cache unit",
  23         [14] = "L3 cache unit",
  24         [15] = "Microprocessor5 Management Controller",
  25         [16] = "Parameter Block",
  26         [17] = "GMI Controller",
  27         [18] = "GMI Controller",
  28         [19] = "High Speed Interface Unit (GMI)",
  29         [20] = "High Speed Interface Unit (GMI)",
  30         [21] = "Unified Memory Controller",
  31         [22] = "Unified Memory Controller",
  32         [23] = "Coherent Station",
  33         [24] = "Coherent Station",
  34         [25] = "Northbridge IO Unit",
  35         [26] = "PCIe Root Port",
  36         [27] = "PCIe Root Port",
  37         [28] = "Power Management, Interrupts, Etc.",
  38         [29] = "SMU",
  39         [30] = "XGMI Controller",
  40         [31] = "High Speed Interface Unit (XGMI)",
  41 };
  42
  43 bool mca_has_expected_bank_count(void)
  44 {
  45         return ARRAY_SIZE(mca_bank_name) == mca_get_bank_count();
  46 }
  47
  48 bool mca_is_valid_bank(unsigned int bank)
  49 {
  50         return (bank < ARRAY_SIZE(mca_bank_name) && mca_bank_name[bank] != NULL);
  51 }
  52
  53 const char *mca_get_bank_name(unsigned int bank)
  54 {
  55         if (mca_is_valid_bank(bank))
  56                 return mca_bank_name[bank];
  57         else
  58                 return "";
  59 }