Commit | Line | Data |
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89e162af RY |
1 | /* |
2 | * l2 cache initialization for CSR SiRFprimaII | |
3 | * | |
4 | * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. | |
5 | * | |
6 | * Licensed under GPLv2 or later. | |
7 | */ | |
8 | ||
9 | #include <linux/init.h> | |
10 | #include <linux/kernel.h> | |
89e162af | 11 | #include <linux/of.h> |
89e162af | 12 | #include <asm/hardware/cache-l2x0.h> |
89e162af | 13 | |
ea38960f BS |
14 | struct l2x0_aux |
15 | { | |
16 | u32 val; | |
17 | u32 mask; | |
18 | }; | |
19 | ||
20 | static struct l2x0_aux prima2_l2x0_aux __initconst = { | |
21 | .val = 2 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT, | |
22 | .mask = 0, | |
23 | }; | |
24 | ||
25 | static struct l2x0_aux marco_l2x0_aux __initconst = { | |
26 | .val = (2 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT) | | |
27 | (1 << L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT), | |
28 | .mask = L2X0_AUX_CTRL_MASK, | |
29 | }; | |
30 | ||
31 | static struct of_device_id sirf_l2x0_ids[] __initconst = { | |
32 | { .compatible = "sirf,prima2-pl310-cache", .data = &prima2_l2x0_aux, }, | |
33 | { .compatible = "sirf,marco-pl310-cache", .data = &marco_l2x0_aux, }, | |
917d8535 | 34 | {}, |
89e162af RY |
35 | }; |
36 | ||
917d8535 | 37 | static int __init sirfsoc_l2x0_init(void) |
89e162af RY |
38 | { |
39 | struct device_node *np; | |
ea38960f | 40 | const struct l2x0_aux *aux; |
89e162af | 41 | |
ea38960f | 42 | np = of_find_matching_node(NULL, sirf_l2x0_ids); |
917d8535 | 43 | if (np) { |
ea38960f BS |
44 | aux = of_match_node(sirf_l2x0_ids, np)->data; |
45 | return l2x0_of_init(aux->val, aux->mask); | |
89e162af | 46 | } |
89e162af RY |
47 | |
48 | return 0; | |
49 | } | |
917d8535 | 50 | early_initcall(sirfsoc_l2x0_init); |