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Felix Helda24472a2021-07-13 18:21:27 +02001/* SPDX-License-Identifier: GPL-2.0-only */
2
Felix Heldf1093af2021-07-13 23:00:26 +02003#include <amdblocks/mca.h>
Felix Held2eb3ec72021-07-15 18:54:13 +02004#include <cpu/x86/msr.h>
Felix Helde84c3f12021-07-14 01:16:30 +02005#include <types.h>
Felix Helda24472a2021-07-13 18:21:27 +02006
Felix Held2eb3ec72021-07-15 18:54:13 +02007static 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
Felix Helde84c3f12021-07-14 01:16:30 +020038bool mca_has_expected_bank_count(void)
Felix Helddc970fc2021-07-13 23:38:22 +020039{
Felix Held2eb3ec72021-07-15 18:54:13 +020040 return ARRAY_SIZE(mca_bank_name) == mca_get_bank_count();
Felix Helde84c3f12021-07-14 01:16:30 +020041}
42
43bool mca_is_valid_bank(unsigned int bank)
44{
Felix Held2eb3ec72021-07-15 18:54:13 +020045 return (bank < ARRAY_SIZE(mca_bank_name) && mca_bank_name[bank] != NULL);
Felix Helde84c3f12021-07-14 01:16:30 +020046}
47
48const char *mca_get_bank_name(unsigned int bank)
49{
Felix Held2eb3ec72021-07-15 18:54:13 +020050 if (mca_is_valid_bank(bank))
51 return mca_bank_name[bank];
52 else
53 return "";
Felix Helddc970fc2021-07-13 23:38:22 +020054}