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-rw-r--r--arch/arm/mm/cache-l2x0.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 1c947b4c7f05..5f381af1a7a4 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -784,14 +784,22 @@ static void aurora_resume(void)
}
}
-static void __init aurora_broadcast_l2_commands(void)
+/*
+ * For Aurora cache in no outer mode, enable via the CP15 coprocessor
+ * broadcasting of cache commands to L2.
+ */
+static void __init aurora_enable_no_outer(void __iomem *base, u32 aux,
+ unsigned num_lock)
{
- __u32 u;
- /* Enable Broadcasting of cache commands to L2*/
- __asm__ __volatile__("mrc p15, 1, %0, c15, c2, 0" : "=r"(u));
+ u32 u;
+
+ asm volatile("mrc p15, 1, %0, c15, c2, 0" : "=r" (u));
u |= AURORA_CTRL_FW; /* Set the FW bit */
- __asm__ __volatile__("mcr p15, 1, %0, c15, c2, 0\n" : : "r"(u));
+ asm volatile("mcr p15, 1, %0, c15, c2, 0" : : "r" (u));
+
isb();
+
+ l2c_enable(base, aux, num_lock);
}
static void __init aurora_of_parse(const struct device_node *np,
@@ -835,7 +843,7 @@ static const struct l2c_init_data of_aurora_with_outer_data __initconst = {
static const struct l2c_init_data of_aurora_no_outer_data __initconst = {
.num_lock = 4,
.of_parse = aurora_of_parse,
- .enable = l2c_enable,
+ .enable = aurora_enable_no_outer,
.save = aurora_save,
.outer_cache = {
.resume = aurora_resume,
@@ -1066,16 +1074,10 @@ int __init l2x0_of_init(u32 aux_val, u32 aux_mask)
data = of_match_node(l2x0_ids, np)->data;
/* L2 configuration can only be changed if the cache is disabled */
- if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) {
+ if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN))
if (data->of_parse)
data->of_parse(np, &aux_val, &aux_mask);
- /* For aurora cache in no outer mode select the
- * correct mode using the coprocessor*/
- if (data == &of_aurora_no_outer_data)
- aurora_broadcast_l2_commands();
- }
-
if (cache_id_part_number_from_dt)
cache_id = cache_id_part_number_from_dt;
else