mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-15 21:30:43 +00:00
ARM: PRIMA2: initialize l2x0 according to mach from DT
prima2 and marco have diffetent l2 cache configuration, so we initialize l2x0 cache based on dtb given to kernel. Signed-off-by: Barry Song <Baohua.Song@csr.com> Reviewed-by: Mark Rutland <mark.rutland@arm.com>
This commit is contained in:
parent
20ddfa9324
commit
ea38960fb6
@ -11,19 +11,38 @@
|
||||
#include <linux/of.h>
|
||||
#include <asm/hardware/cache-l2x0.h>
|
||||
|
||||
static struct of_device_id prima2_l2x0_ids[] = {
|
||||
{ .compatible = "sirf,prima2-pl310-cache" },
|
||||
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, prima2_l2x0_ids);
|
||||
np = of_find_matching_node(NULL, sirf_l2x0_ids);
|
||||
if (np) {
|
||||
pr_info("Initializing prima2 L2 cache\n");
|
||||
return l2x0_of_init(0x40000, 0);
|
||||
aux = of_match_node(sirf_l2x0_ids, np)->data;
|
||||
return l2x0_of_init(aux->val, aux->mask);
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
Loading…
Reference in New Issue
Block a user