51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
/*
|
|
* 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);
|