Arthur Heymans | 447e279 | 2023-07-14 23:05:46 +0200 | [diff] [blame] | 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 | } |