Merge branch '4.4-armlt-juno-eas' into lsk-4.4-armltlsk-4.4-armlt-20160824-experimental

5 files changed, 307 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/arm/juno-r2.dts b/arch/arm64/boot/dts/arm/juno-r2.dts
index 88ecd6182b67..f3bd0c54ee66 100644
--- a/arch/arm64/boot/dts/arm/juno-r2.dts
+++ b/arch/arm64/boot/dts/arm/juno-r2.dts
@@ -90,6 +90,7 @@
 			next-level-cache = <&A72_L2>;
 			clocks = <&scpi_dvfs 0>;
 			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+			sched-energy-costs = <&CPU_COST_A72 &CLUSTER_COST_A72>;
 		};
 
 		A72_1: cpu@1 {
@@ -100,6 +101,7 @@
 			next-level-cache = <&A72_L2>;
 			clocks = <&scpi_dvfs 0>;
 			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+			sched-energy-costs = <&CPU_COST_A72 &CLUSTER_COST_A72>;
 		};
 
 		A53_0: cpu@100 {
@@ -110,6 +112,7 @@
 			next-level-cache = <&A53_L2>;
 			clocks = <&scpi_dvfs 1>;
 			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+			sched-energy-costs = <&CPU_COST_A53 &CLUSTER_COST_A53>;
 		};
 
 		A53_1: cpu@101 {
@@ -120,6 +123,7 @@
 			next-level-cache = <&A53_L2>;
 			clocks = <&scpi_dvfs 1>;
 			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+			sched-energy-costs = <&CPU_COST_A53 &CLUSTER_COST_A53>;
 		};
 
 		A53_2: cpu@102 {
@@ -130,6 +134,7 @@
 			next-level-cache = <&A53_L2>;
 			clocks = <&scpi_dvfs 1>;
 			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+			sched-energy-costs = <&CPU_COST_A53 &CLUSTER_COST_A53>;
 		};
 
 		A53_3: cpu@103 {
@@ -140,6 +145,7 @@
 			next-level-cache = <&A53_L2>;
 			clocks = <&scpi_dvfs 1>;
 			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+			sched-energy-costs = <&CPU_COST_A53 &CLUSTER_COST_A53>;
 		};
 
 		A72_L2: l2-cache0 {
@@ -149,6 +155,8 @@
 		A53_L2: l2-cache1 {
 			compatible = "cache";
 		};
+
+                /include/ "juno_r2-sched-energy.dtsi"
 	};
 
 	pmu_a72 {
diff --git a/arch/arm64/boot/dts/arm/juno-sched-energy.dtsi b/arch/arm64/boot/dts/arm/juno-sched-energy.dtsi
new file mode 100644
index 000000000000..38207e4391ab
--- /dev/null
+++ b/arch/arm64/boot/dts/arm/juno-sched-energy.dtsi
@@ -0,0 +1,147 @@
+/*
+ * ARM JUNO specific energy cost model data. There are no unit requirements for
+ * the data. Data can be normalized to any reference point, but the
+ * normalization must be consistent. That is, one bogo-joule/watt must be the
+ * same quantity for all data, but we don't care what it is.
+ */
+
+/* static struct idle_state idle_states_cluster_a53[] = { */
+/*        { .power = 56 }, /\* arch_cpu_idle() (active idle) = WFI *\/ */
+/*        { .power = 56 }, /\* WFI *\/ */
+/*        { .power = 56 }, /\* cpu-sleep-0 *\/ */
+/*        { .power = 17 }, /\* cluster-sleep-0 *\/ */
+/* }; */
+
+/* static struct idle_state idle_states_cluster_a57[] = { */
+/*        { .power = 65 }, /\* arch_cpu_idle() (active idle) = WFI *\/ */
+/*        { .power = 65 }, /\* WFI *\/ */
+/*        { .power = 65 }, /\* cpu-sleep-0 *\/ */
+/*        { .power = 24 }, /\* cluster-sleep-0 *\/ */
+/* }; */
+
+/* static struct capacity_state cap_states_cluster_a53[] = { */
+/*         /\* Power per cluster *\/ */
+/*        { .cap =  235, .power = 26, }, /\*  450 MHz *\/ */
+/*        { .cap =  303, .power = 30, }, /\*  575 MHz *\/ */
+/*        { .cap =  368, .power = 39, }, /\*  700 MHz *\/ */
+/*        { .cap =  406, .power = 47, }, /\*  775 MHz *\/ */
+/*        { .cap =  447, .power = 57, }, /\*  850 Mhz *\/ */
+/* }; */
+
+/* static struct capacity_state cap_states_cluster_a57[] = { */
+/*         /\* Power per cluster *\/ */
+/*        { .cap =  417, .power = 24, }, /\*  450 MHz *\/ */
+/*        { .cap =  579, .power = 32, }, /\*  625 MHz *\/ */
+/*        { .cap =  744, .power = 43, }, /\*  800 MHz *\/ */
+/*        { .cap =  883, .power = 49, }, /\*  950 MHz *\/ */
+/*        { .cap = 1024, .power = 64, }, /\* 1100 MHz *\/ */
+/* }; */
+
+/* static struct sched_group_energy energy_cluster_a53 = { */
+/*        .nr_idle_states = ARRAY_SIZE(idle_states_cluster_a53), */
+/*        .idle_states    = idle_states_cluster_a53, */
+/*        .nr_cap_states  = ARRAY_SIZE(cap_states_cluster_a53), */
+/*        .cap_states     = cap_states_cluster_a53, */
+/* }; */
+
+/* static struct sched_group_energy energy_cluster_a57 = { */
+/*        .nr_idle_states = ARRAY_SIZE(idle_states_cluster_a57), */
+/*        .idle_states    = idle_states_cluster_a57, */
+/*        .nr_cap_states  = ARRAY_SIZE(cap_states_cluster_a57), */
+/*        .cap_states     = cap_states_cluster_a57, */
+/* }; */
+
+/* static struct idle_state idle_states_core_a53[] = { */
+/*        { .power = 6 }, /\* arch_cpu_idle() (active idle) = WFI *\/ */
+/*        { .power = 6 }, /\* WFI *\/ */
+/*        { .power = 0 }, /\* cpu-sleep-0 *\/ */
+/*        { .power = 0 }, /\* cluster-sleep-0 *\/ */
+/* }; */
+
+/* static struct idle_state idle_states_core_a57[] = { */
+/*        { .power = 15 }, /\* arch_cpu_idle() (active idle) = WFI *\/ */
+/*        { .power = 15 }, /\* WFI *\/ */
+/*        { .power = 0  }, /\* cpu-sleep-0 *\/ */
+/*        { .power = 0  }, /\* cluster-sleep-0 *\/ */
+/* }; */
+
+/* static struct capacity_state cap_states_core_a53[] = { */
+/*         /\* Power per cpu *\/ */
+/*        { .cap =  235, .power =  33, }, /\*  450 MHz *\/ */
+/*        { .cap =  302, .power =  46, }, /\*  575 MHz *\/ */
+/*        { .cap =  368, .power =  61, }, /\*  700 MHz *\/ */
+/*        { .cap =  406, .power =  76, }, /\*  775 MHz *\/ */
+/*        { .cap =  447, .power =  93, }, /\*  850 Mhz *\/ */
+/* }; */
+
+/* static struct capacity_state cap_states_core_a57[] = { */
+/*         /\* Power per cpu *\/ */
+/*        { .cap =  417, .power = 168, }, /\*  450 MHz *\/ */
+/*        { .cap =  579, .power = 251, }, /\*  625 MHz *\/ */
+/*        { .cap =  744, .power = 359, }, /\*  800 MHz *\/ */
+/*        { .cap =  883, .power = 479, }, /\*  950 MHz *\/ */
+/*        { .cap = 1024, .power = 616, }, /\* 1100 MHz *\/ */
+/* }; */
+
+energy-costs {
+	CPU_COST_A57: core-cost0 {
+		busy-cost-data = <
+			417   168
+			579   251
+			744   359
+			883   479
+		       1023   616
+		>;
+		idle-cost-data = <
+		      15
+		      15
+		       0
+		       0
+		>;
+	};
+	CPU_COST_A53: core-cost1 {
+		busy-cost-data = <
+			235    33
+			302    46
+			368    61
+			406    76
+			447    93
+		>;
+		idle-cost-data = <
+		      6
+		      6
+		      0
+		      0
+		>;
+	};
+	CLUSTER_COST_A57: cluster-cost0 {
+		busy-cost-data = <
+			417    24
+			579    32
+			744    43
+			883    49
+		       1024    64
+		>;
+		idle-cost-data = <
+			 65
+			 65
+			 65
+			 24
+		>;
+	};
+	CLUSTER_COST_A53: cluster-cost1 {
+		busy-cost-data = <
+			235    26
+			303    30
+			368    39
+			406    47
+			447    57
+		>;
+		idle-cost-data = <
+			56
+			56
+			56
+			17
+		>;
+	};
+};
diff --git a/arch/arm64/boot/dts/arm/juno.dts b/arch/arm64/boot/dts/arm/juno.dts
index dcfcf15a17f5..f113a80519cd 100644
--- a/arch/arm64/boot/dts/arm/juno.dts
+++ b/arch/arm64/boot/dts/arm/juno.dts
@@ -90,6 +90,7 @@
 			next-level-cache = <&A57_L2>;
 			clocks = <&scpi_dvfs 0>;
 			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+			sched-energy-costs = <&CPU_COST_A57 &CLUSTER_COST_A57>;
 		};
 
 		A57_1: cpu@1 {
@@ -100,6 +101,7 @@
 			next-level-cache = <&A57_L2>;
 			clocks = <&scpi_dvfs 0>;
 			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+			sched-energy-costs = <&CPU_COST_A57 &CLUSTER_COST_A57>;
 		};
 
 		A53_0: cpu@100 {
@@ -110,6 +112,7 @@
 			next-level-cache = <&A53_L2>;
 			clocks = <&scpi_dvfs 1>;
 			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+			sched-energy-costs = <&CPU_COST_A53 &CLUSTER_COST_A53>;
 		};
 
 		A53_1: cpu@101 {
@@ -120,6 +123,7 @@
 			next-level-cache = <&A53_L2>;
 			clocks = <&scpi_dvfs 1>;
 			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+			sched-energy-costs = <&CPU_COST_A53 &CLUSTER_COST_A53>;
 		};
 
 		A53_2: cpu@102 {
@@ -130,6 +134,7 @@
 			next-level-cache = <&A53_L2>;
 			clocks = <&scpi_dvfs 1>;
 			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+			sched-energy-costs = <&CPU_COST_A53 &CLUSTER_COST_A53>;
 		};
 
 		A53_3: cpu@103 {
@@ -140,6 +145,7 @@
 			next-level-cache = <&A53_L2>;
 			clocks = <&scpi_dvfs 1>;
 			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
+			sched-energy-costs = <&CPU_COST_A53 &CLUSTER_COST_A53>;
 		};
 
 		A57_L2: l2-cache0 {
@@ -149,6 +155,8 @@
 		A53_L2: l2-cache1 {
 			compatible = "cache";
 		};
+
+		/include/ "juno-sched-energy.dtsi"
 	};
 
 	pmu_a57 {
diff --git a/arch/arm64/boot/dts/arm/juno_r2-sched-energy.dtsi b/arch/arm64/boot/dts/arm/juno_r2-sched-energy.dtsi
new file mode 100644
index 000000000000..3a9c67124d49
--- /dev/null
+++ b/arch/arm64/boot/dts/arm/juno_r2-sched-energy.dtsi
@@ -0,0 +1,139 @@
+/*
+ * ARM JUNO specific energy cost model data. There are no unit requirements for
+ * the data. Data can be normalized to any reference point, but the
+ * normalization must be consistent. That is, one bogo-joule/watt must be the
+ * same quantity for all data, but we don't care what it is.
+ */
+
+/* static struct idle_state idle_states_cluster_a53[] = { */
+/*        { .power = 56 }, /\* arch_cpu_idle() (active idle) = WFI *\/ */
+/*        { .power = 56 }, /\* WFI *\/ */
+/*        { .power = 56 }, /\* cpu-sleep-0 *\/ */
+/*        { .power = 17 }, /\* cluster-sleep-0 *\/ */
+/* }; */
+
+/* static struct idle_state idle_states_cluster_a57[] = { */
+/*        { .power = 65 }, /\* arch_cpu_idle() (active idle) = WFI *\/ */
+/*        { .power = 65 }, /\* WFI *\/ */
+/*        { .power = 65 }, /\* cpu-sleep-0 *\/ */
+/*        { .power = 24 }, /\* cluster-sleep-0 *\/ */
+/* }; */
+
+/* static struct capacity_state cap_states_cluster_a53[] = { */
+/*         /\* Power per cluster *\/ */
+/*        { .cap =  235, .power = 26, }, /\*  450 MHz *\/ */
+/*        { .cap =  303, .power = 30, }, /\*  575 MHz *\/ */
+/*        { .cap =  368, .power = 39, }, /\*  700 MHz *\/ */
+/*        { .cap =  406, .power = 47, }, /\*  775 MHz *\/ */
+/*        { .cap =  447, .power = 57, }, /\*  850 Mhz *\/ */
+/* }; */
+
+/* static struct capacity_state cap_states_cluster_a57[] = { */
+/*         /\* Power per cluster *\/ */
+/*        { .cap =  417, .power = 24, }, /\*  450 MHz *\/ */
+/*        { .cap =  579, .power = 32, }, /\*  625 MHz *\/ */
+/*        { .cap =  744, .power = 43, }, /\*  800 MHz *\/ */
+/*        { .cap =  883, .power = 49, }, /\*  950 MHz *\/ */
+/*        { .cap = 1024, .power = 64, }, /\* 1100 MHz *\/ */
+/* }; */
+
+/* static struct sched_group_energy energy_cluster_a53 = { */
+/*        .nr_idle_states = ARRAY_SIZE(idle_states_cluster_a53), */
+/*        .idle_states    = idle_states_cluster_a53, */
+/*        .nr_cap_states  = ARRAY_SIZE(cap_states_cluster_a53), */
+/*        .cap_states     = cap_states_cluster_a53, */
+/* }; */
+
+/* static struct sched_group_energy energy_cluster_a57 = { */
+/*        .nr_idle_states = ARRAY_SIZE(idle_states_cluster_a57), */
+/*        .idle_states    = idle_states_cluster_a57, */
+/*        .nr_cap_states  = ARRAY_SIZE(cap_states_cluster_a57), */
+/*        .cap_states     = cap_states_cluster_a57, */
+/* }; */
+
+/* static struct idle_state idle_states_core_a53[] = { */
+/*        { .power = 6 }, /\* arch_cpu_idle() (active idle) = WFI *\/ */
+/*        { .power = 6 }, /\* WFI *\/ */
+/*        { .power = 0 }, /\* cpu-sleep-0 *\/ */
+/*        { .power = 0 }, /\* cluster-sleep-0 *\/ */
+/* }; */
+
+/* static struct idle_state idle_states_core_a57[] = { */
+/*        { .power = 15 }, /\* arch_cpu_idle() (active idle) = WFI *\/ */
+/*        { .power = 15 }, /\* WFI *\/ */
+/*        { .power = 0  }, /\* cpu-sleep-0 *\/ */
+/*        { .power = 0  }, /\* cluster-sleep-0 *\/ */
+/* }; */
+
+/* static struct capacity_state cap_states_core_a53[] = { */
+/*         /\* Power per cpu *\/ */
+/*        { .cap =  235, .power =  33, }, /\*  450 MHz *\/ */
+/*        { .cap =  302, .power =  46, }, /\*  575 MHz *\/ */
+/*        { .cap =  368, .power =  61, }, /\*  700 MHz *\/ */
+/*        { .cap =  406, .power =  76, }, /\*  775 MHz *\/ */
+/*        { .cap =  447, .power =  93, }, /\*  850 Mhz *\/ */
+/* }; */
+
+/* static struct capacity_state cap_states_core_a57[] = { */
+/*         /\* Power per cpu *\/ */
+/*        { .cap =  417, .power = 168, }, /\*  450 MHz *\/ */
+/*        { .cap =  579, .power = 251, }, /\*  625 MHz *\/ */
+/*        { .cap =  744, .power = 359, }, /\*  800 MHz *\/ */
+/*        { .cap =  883, .power = 479, }, /\*  950 MHz *\/ */
+/*        { .cap = 1024, .power = 616, }, /\* 1100 MHz *\/ */
+/* }; */
+
+energy-costs {
+	CPU_COST_A72: core-cost0 {
+		busy-cost-data = <
+			501   174
+			849   344
+		       1023   526
+		>;
+		idle-cost-data = <
+		      48
+		      48
+		       0
+		       0
+		>;
+	};
+	CPU_COST_A53: core-cost1 {
+		busy-cost-data = <
+			276    37
+			501    59
+			593   117
+		>;
+		idle-cost-data = <
+		      33
+		      33
+		      0
+		      0
+		>;
+	};
+	CLUSTER_COST_A72: cluster-cost0 {
+		busy-cost-data = <
+			501    48
+			849    73
+		       1024   107
+		>;
+		idle-cost-data = <
+			 48
+			 48
+			 48
+			 18
+		>;
+	};
+	CLUSTER_COST_A53: cluster-cost1 {
+		busy-cost-data = <
+			276    41
+			501    86
+			593   107
+		>;
+		idle-cost-data = <
+			41
+			41
+			41
+			14
+		>;
+	};
+};
diff --git a/linaro/configs/EAS.conf b/linaro/configs/EAS.conf
new file mode 100644
index 000000000000..5e2f003cf868
--- /dev/null
+++ b/linaro/configs/EAS.conf
@@ -0,0 +1,5 @@
+CONFIG_CPU_FREQ_GOV_SCHED=y
+CONFIG_CPU_FREQ_DEFAULT_GOV_SCHED=y
+CONFIG_SCHED_TUNE=y
+CONFIG_CGROUPS=y
+CONFIG_CGROUP_SCHEDTUNE=y