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From 0eeb3c8bc2f3436b44096bd0659050ce301f49ae Mon Sep 17 00:00:00 2001
From: Dietmar Eggemann <dietmar.eggemann@arm.com>
Date: Tue, 16 Aug 2016 14:10:38 +0100
Subject: [PATCH 71/92] arm64: Add Hikey energy model
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
(cherry picked from commit 75751f967eca10b6cced89831efa39d28699ba37)
Signed-off-by: Gaku Inami <gaku.inami.xw@bp.renesas.com>
---
arch/arm64/kernel/energy_model.h | 52 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/arch/arm64/kernel/energy_model.h b/arch/arm64/kernel/energy_model.h
index 170dd84..a71c78d 100644
--- a/arch/arm64/kernel/energy_model.h
+++ b/arch/arm64/kernel/energy_model.h
@@ -107,6 +107,52 @@
.cap_states = cap_states_core_juno_a57,
};
+/* HiKey */
+
+static struct idle_state idle_states_cluster_hikey[] = {
+ { .power = 107 }, /* arch_cpu_idle() (active idle) = WFI */
+ { .power = 107 }, /* WFI */
+ { .power = 47 }, /* cpu-sleep */
+ { .power = 0 }, /* cluster-sleep */
+};
+
+static struct capacity_state cap_states_cluster_hikey[] = {
+ { .cap = 178, .power = 16, }, /* 208 MHz */
+ { .cap = 369, .power = 29, }, /* 432 MHz */
+ { .cap = 622, .power = 47, }, /* 729 MHz */
+ { .cap = 819, .power = 75, }, /* 960 MHz */
+ { .cap = 1024, .power = 112, }, /* 1200 MHz */
+};
+
+static struct sched_group_energy energy_cluster_hikey = {
+ .nr_idle_states = ARRAY_SIZE(idle_states_cluster_hikey),
+ .idle_states = idle_states_cluster_hikey,
+ .nr_cap_states = ARRAY_SIZE(cap_states_cluster_hikey),
+ .cap_states = cap_states_cluster_hikey,
+};
+
+static struct idle_state idle_states_core_hikey[] = {
+ { .power = 15 }, /* arch_cpu_idle() (active idle) = WFI */
+ { .power = 15 }, /* WFI */
+ { .power = 0 }, /* cpu-sleep */
+ { .power = 0 }, /* cluster-sleep */
+};
+
+static struct capacity_state cap_states_core_hikey[] = {
+ { .cap = 178, .power = 69, }, /* 208 MHz */
+ { .cap = 369, .power = 125, }, /* 432 MHz */
+ { .cap = 622, .power = 224, }, /* 729 MHz */
+ { .cap = 819, .power = 367, }, /* 960 MHz */
+ { .cap = 1024, .power = 670, }, /* 1200 MHz */
+};
+
+static struct sched_group_energy energy_core_hikey = {
+ .nr_idle_states = ARRAY_SIZE(idle_states_core_hikey),
+ .idle_states = idle_states_core_hikey,
+ .nr_cap_states = ARRAY_SIZE(cap_states_core_hikey),
+ .cap_states = cap_states_core_hikey,
+};
+
/* An energy model contains core and cluster sched group energy for 2
* clusters (cluster id 0 and 1). set_energy_model() relies on this
* feature. It is enforced by a BUG_ON in energy().
@@ -122,8 +168,14 @@ struct energy_model {
{ &energy_cluster_juno_a57, &energy_cluster_juno_a53, },
};
+static struct energy_model hikey_model = {
+ { &energy_core_hikey, &energy_core_hikey, },
+ { &energy_cluster_hikey, &energy_cluster_hikey, },
+};
+
static struct of_device_id model_matches[] = {
{ .compatible = "arm,juno", .data = &juno_model },
+ { .compatible = "hisilicon,hi6220-hikey", .data = &hikey_model },
{},
};
--
1.9.1
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