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-rw-r--r--arch/arm/mm/cache-l2x0.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 2864a7bcc24b..95f33620353b 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -42,6 +42,7 @@ struct l2c_init_data {
void (*fixup)(void __iomem *, u32, struct outer_cache_fns *);
void (*save)(void __iomem *);
void (*configure)(void __iomem *);
+ void (*unlock)(void __iomem *, unsigned);
struct outer_cache_fns outer_cache;
};
@@ -128,7 +129,7 @@ static void l2c_enable(void __iomem *base, u32 aux, unsigned num_lock)
else
l2x0_data->configure(base);
- l2c_unlock(base, num_lock);
+ l2x0_data->unlock(base, num_lock);
local_irq_save(flags);
__l2c_op_way(base + L2X0_INV_WAY);
@@ -249,6 +250,7 @@ static const struct l2c_init_data l2c210_data __initconst = {
.enable = l2c_enable,
.save = l2c_save,
.configure = l2c_configure,
+ .unlock = l2c_unlock,
.outer_cache = {
.inv_range = l2c210_inv_range,
.clean_range = l2c210_clean_range,
@@ -400,6 +402,12 @@ static void l2c220_enable(void __iomem *base, u32 aux, unsigned num_lock)
l2c_enable(base, aux, num_lock);
}
+static void l2c220_unlock(void __iomem *base, unsigned num_lock)
+{
+ if (readl_relaxed(base + L2X0_AUX_CTRL) & L220_AUX_CTRL_NS_LOCKDOWN)
+ l2c_unlock(base, num_lock);
+}
+
static const struct l2c_init_data l2c220_data = {
.type = "L2C-220",
.way_size_0 = SZ_8K,
@@ -407,6 +415,7 @@ static const struct l2c_init_data l2c220_data = {
.enable = l2c220_enable,
.save = l2c_save,
.configure = l2c_configure,
+ .unlock = l2c220_unlock,
.outer_cache = {
.inv_range = l2c220_inv_range,
.clean_range = l2c220_clean_range,
@@ -755,6 +764,12 @@ static void l2c310_resume(void)
set_auxcr(get_auxcr() | BIT(3) | BIT(2) | BIT(1));
}
+static void l2c310_unlock(void __iomem *base, unsigned num_lock)
+{
+ if (readl_relaxed(base + L2X0_AUX_CTRL) & L310_AUX_CTRL_NS_LOCKDOWN)
+ l2c_unlock(base, num_lock);
+}
+
static const struct l2c_init_data l2c310_init_fns __initconst = {
.type = "L2C-310",
.way_size_0 = SZ_8K,
@@ -763,6 +778,7 @@ static const struct l2c_init_data l2c310_init_fns __initconst = {
.fixup = l2c310_fixup,
.save = l2c310_save,
.configure = l2c310_configure,
+ .unlock = l2c310_unlock,
.outer_cache = {
.inv_range = l2c210_inv_range,
.clean_range = l2c210_clean_range,
@@ -1067,6 +1083,7 @@ static const struct l2c_init_data of_l2c210_data __initconst = {
.enable = l2c_enable,
.save = l2c_save,
.configure = l2c_configure,
+ .unlock = l2c_unlock,
.outer_cache = {
.inv_range = l2c210_inv_range,
.clean_range = l2c210_clean_range,
@@ -1086,6 +1103,7 @@ static const struct l2c_init_data of_l2c220_data __initconst = {
.enable = l2c220_enable,
.save = l2c_save,
.configure = l2c_configure,
+ .unlock = l2c220_unlock,
.outer_cache = {
.inv_range = l2c220_inv_range,
.clean_range = l2c220_clean_range,
@@ -1213,6 +1231,7 @@ static const struct l2c_init_data of_l2c310_data __initconst = {
.fixup = l2c310_fixup,
.save = l2c310_save,
.configure = l2c310_configure,
+ .unlock = l2c310_unlock,
.outer_cache = {
.inv_range = l2c210_inv_range,
.clean_range = l2c210_clean_range,
@@ -1242,6 +1261,7 @@ static const struct l2c_init_data of_l2c310_coherent_data __initconst = {
.fixup = l2c310_fixup,
.save = l2c310_save,
.configure = l2c310_configure,
+ .unlock = l2c310_unlock,
.outer_cache = {
.inv_range = l2c210_inv_range,
.clean_range = l2c210_clean_range,
@@ -1419,6 +1439,7 @@ static const struct l2c_init_data of_aurora_with_outer_data __initconst = {
.fixup = aurora_fixup,
.save = aurora_save,
.configure = l2c_configure,
+ .unlock = l2c_unlock,
.outer_cache = {
.inv_range = aurora_inv_range,
.clean_range = aurora_clean_range,
@@ -1439,6 +1460,7 @@ static const struct l2c_init_data of_aurora_no_outer_data __initconst = {
.fixup = aurora_fixup,
.save = aurora_save,
.configure = l2c_configure,
+ .unlock = l2c_unlock,
.outer_cache = {
.resume = l2c_resume,
},
@@ -1589,6 +1611,7 @@ static const struct l2c_init_data of_bcm_l2x0_data __initconst = {
.enable = l2c310_enable,
.save = l2c310_save,
.configure = l2c310_configure,
+ .unlock = l2c310_unlock,
.outer_cache = {
.inv_range = bcm_inv_range,
.clean_range = bcm_clean_range,
@@ -1626,6 +1649,7 @@ static const struct l2c_init_data of_tauros3_data __initconst = {
.enable = l2c_enable,
.save = tauros3_save,
.configure = tauros3_configure,
+ .unlock = l2c_unlock,
/* Tauros3 broadcasts L1 cache operations to L2 */
.outer_cache = {
.resume = l2c_resume,