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