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-rw-r--r--arch/arm/boot/dts/sh73a0-kzm9g-reference.dts4
-rw-r--r--arch/arm/boot/dts/sh73a0.dtsi358
-rw-r--r--arch/arm/mach-exynos/common.h4
-rw-r--r--arch/arm/mach-exynos/exynos.c4
-rw-r--r--arch/arm/mach-exynos/platsmp.c2
-rw-r--r--arch/arm/mach-exynos/pm.c133
-rw-r--r--arch/arm/mach-exynos/suspend.c4
-rw-r--r--arch/arm/mach-shmobile/setup-sh73a0.c5
8 files changed, 508 insertions, 6 deletions
diff --git a/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts b/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
index 863dc4c..6d32c87 100644
--- a/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
+++ b/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
@@ -182,6 +182,10 @@
status = "okay";
};
+&extal2_clk {
+ clock-frequency = <48000000>;
+};
+
&i2c0 {
status = "okay";
as3711@40 {
diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi
index 37c8a76..2dfd5b4 100644
--- a/arch/arm/boot/dts/sh73a0.dtsi
+++ b/arch/arm/boot/dts/sh73a0.dtsi
@@ -10,6 +10,7 @@
/include/ "skeleton.dtsi"
+#include <dt-bindings/clock/sh73a0-clock.h>
#include <dt-bindings/interrupt-controller/irq.h>
/ {
@@ -71,6 +72,8 @@
renesas,channels-mask = <0x3f>;
+ clocks = <&mstp3_clks SH73A0_CLK_CMT1>;
+ clock-names = "fck";
status = "disabled";
};
@@ -160,6 +163,7 @@
0 168 IRQ_TYPE_LEVEL_HIGH
0 169 IRQ_TYPE_LEVEL_HIGH
0 170 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp1_clks SH73A0_CLK_IIC0>;
status = "disabled";
};
@@ -172,6 +176,7 @@
0 52 IRQ_TYPE_LEVEL_HIGH
0 53 IRQ_TYPE_LEVEL_HIGH
0 54 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp3_clks SH73A0_CLK_IIC1>;
status = "disabled";
};
@@ -184,6 +189,7 @@
0 172 IRQ_TYPE_LEVEL_HIGH
0 173 IRQ_TYPE_LEVEL_HIGH
0 174 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp0_clks SH73A0_CLK_IIC2>;
status = "disabled";
};
@@ -196,6 +202,7 @@
0 184 IRQ_TYPE_LEVEL_HIGH
0 185 IRQ_TYPE_LEVEL_HIGH
0 186 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp4_clks SH73A0_CLK_IIC3>;
status = "disabled";
};
@@ -208,6 +215,7 @@
0 188 IRQ_TYPE_LEVEL_HIGH
0 189 IRQ_TYPE_LEVEL_HIGH
0 190 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp4_clks SH73A0_CLK_IIC4>;
status = "disabled";
};
@@ -216,6 +224,7 @@
reg = <0xe6bd0000 0x100>;
interrupts = <0 140 IRQ_TYPE_LEVEL_HIGH
0 141 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp3_clks SH73A0_CLK_MMCIF0>;
reg-io-width = <4>;
status = "disabled";
};
@@ -226,6 +235,7 @@
interrupts = <0 83 IRQ_TYPE_LEVEL_HIGH
0 84 IRQ_TYPE_LEVEL_HIGH
0 85 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp3_clks SH73A0_CLK_SDHI0>;
cap-sd-highspeed;
status = "disabled";
};
@@ -236,6 +246,7 @@
reg = <0xee120000 0x100>;
interrupts = <0 88 IRQ_TYPE_LEVEL_HIGH
0 89 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp3_clks SH73A0_CLK_SDHI1>;
toshiba,mmc-wrprotect-disable;
cap-sd-highspeed;
status = "disabled";
@@ -246,6 +257,7 @@
reg = <0xee140000 0x100>;
interrupts = <0 104 IRQ_TYPE_LEVEL_HIGH
0 105 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp3_clks SH73A0_CLK_SDHI2>;
toshiba,mmc-wrprotect-disable;
cap-sd-highspeed;
status = "disabled";
@@ -255,6 +267,8 @@
compatible = "renesas,scifa-sh73a0", "renesas,scifa";
reg = <0xe6c40000 0x100>;
interrupts = <0 72 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp2_clks SH73A0_CLK_SCIFA0>;
+ clock-names = "sci_ick";
status = "disabled";
};
@@ -262,6 +276,8 @@
compatible = "renesas,scifa-sh73a0", "renesas,scifa";
reg = <0xe6c50000 0x100>;
interrupts = <0 73 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp2_clks SH73A0_CLK_SCIFA1>;
+ clock-names = "sci_ick";
status = "disabled";
};
@@ -269,6 +285,8 @@
compatible = "renesas,scifa-sh73a0", "renesas,scifa";
reg = <0xe6c60000 0x100>;
interrupts = <0 74 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp2_clks SH73A0_CLK_SCIFA2>;
+ clock-names = "sci_ick";
status = "disabled";
};
@@ -276,6 +294,8 @@
compatible = "renesas,scifa-sh73a0", "renesas,scifa";
reg = <0xe6c70000 0x100>;
interrupts = <0 75 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp2_clks SH73A0_CLK_SCIFA3>;
+ clock-names = "sci_ick";
status = "disabled";
};
@@ -283,6 +303,8 @@
compatible = "renesas,scifa-sh73a0", "renesas,scifa";
reg = <0xe6c80000 0x100>;
interrupts = <0 78 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp2_clks SH73A0_CLK_SCIFA4>;
+ clock-names = "sci_ick";
status = "disabled";
};
@@ -290,6 +312,8 @@
compatible = "renesas,scifa-sh73a0", "renesas,scifa";
reg = <0xe6cb0000 0x100>;
interrupts = <0 79 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp2_clks SH73A0_CLK_SCIFA5>;
+ clock-names = "sci_ick";
status = "disabled";
};
@@ -297,6 +321,8 @@
compatible = "renesas,scifa-sh73a0", "renesas,scifa";
reg = <0xe6cc0000 0x100>;
interrupts = <0 156 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp3_clks SH73A0_CLK_SCIFA6>;
+ clock-names = "sci_ick";
status = "disabled";
};
@@ -304,6 +330,8 @@
compatible = "renesas,scifa-sh73a0", "renesas,scifa";
reg = <0xe6cd0000 0x100>;
interrupts = <0 143 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp2_clks SH73A0_CLK_SCIFA7>;
+ clock-names = "sci_ick";
status = "disabled";
};
@@ -311,6 +339,8 @@
compatible = "renesas,scifb-sh73a0", "renesas,scifb";
reg = <0xe6c30000 0x100>;
interrupts = <0 80 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp2_clks SH73A0_CLK_SCIFB>;
+ clock-names = "sci_ick";
status = "disabled";
};
@@ -338,4 +368,332 @@
interrupts = <0 146 0x4>;
status = "disabled";
};
+
+ clocks {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ /* External root clocks */
+ extalr_clk: extalr_clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <32768>;
+ clock-output-names = "extalr";
+ };
+ extal1_clk: extal1_clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <26000000>;
+ clock-output-names = "extal1";
+ };
+ extal2_clk: extal2_clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-output-names = "extal2";
+ };
+ extcki_clk: extcki_clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-output-names = "extcki";
+ };
+ fsiack_clk: fsiack_clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ clock-output-names = "fsiack";
+ };
+ fsibck_clk: fsibck_clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ clock-output-names = "fsibck";
+ };
+
+ /* Special CPG clocks */
+ cpg_clocks: cpg_clocks@e6150000 {
+ compatible = "renesas,sh73a0-cpg-clocks";
+ reg = <0xe6150000 0x10000>;
+ clocks = <&extal1_clk>, <&extal2_clk>;
+ #clock-cells = <1>;
+ clock-output-names = "main", "pll0", "pll1", "pll2",
+ "pll3", "dsi0phy", "dsi1phy",
+ "zg", "m3", "b", "m1", "m2",
+ "z", "zx", "hp";
+ };
+
+ /* Variable factor clocks (DIV6) */
+ vclk1_clk: vclk1_clk@e6150008 {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe6150008 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "vclk1";
+ };
+ vclk2_clk: vclk2_clk@e615000c {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe615000c 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "vclk2";
+ };
+ vclk3_clk: vclk3_clk@e615001c {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe615001c 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "vclk3";
+ };
+ zb_clk: zb_clk@e6150010 {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe6150010 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "zb";
+ };
+ flctl_clk: flctl_clk@e6150014 {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe6150014 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "flctlck";
+ };
+ sdhi0_clk: sdhi0_clk@e6150074 {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe6150074 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "sdhi0ck";
+ };
+ sdhi1_clk: sdhi1_clk@e6150078 {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe6150078 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "sdhi1ck";
+ };
+ sdhi2_clk: sdhi2_clk@e615007c {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe615007c 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "sdhi2ck";
+ };
+ fsia_clk: fsia_clk@e6150018 {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe6150018 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "fsia";
+ };
+ fsib_clk: fsib_clk@e6150090 {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe6150090 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "fsib";
+ };
+ sub_clk: sub_clk@e6150080 {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe6150080 4>;
+ clocks = <&extal2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "sub";
+ };
+ spua_clk: spua_clk@e6150084 {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe6150084 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "spua";
+ };
+ spuv_clk: spuv_clk@e6150094 {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe6150094 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "spuv";
+ };
+ msu_clk: msu_clk@e6150088 {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe6150088 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "msu";
+ };
+ hsi_clk: hsi_clk@e615008c {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe615008c 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "hsi";
+ };
+ mfg1_clk: mfg1_clk@e6150098 {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe6150098 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "mfg1";
+ };
+ mfg2_clk: mfg2_clk@e615009c {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe615009c 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "mfg2";
+ };
+ dsit_clk: dsit_clk@e6150060 {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe6150060 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "dsit";
+ };
+ dsi0p_clk: dsi0p_clk@e6150064 {
+ compatible = "renesas,sh73a0-div6-clock", "renesas,cpg-div6-clock";
+ reg = <0xe6150064 4>;
+ clocks = <&pll1_div2_clk>;
+ #clock-cells = <0>;
+ clock-output-names = "dsi0pck";
+ };
+
+ /* Fixed factor clocks */
+ main_div2_clk: main_div2_clk {
+ compatible = "fixed-factor-clock";
+ clocks = <&cpg_clocks SH73A0_CLK_MAIN>;
+ #clock-cells = <0>;
+ clock-div = <2>;
+ clock-mult = <1>;
+ clock-output-names = "main_div2";
+ };
+ pll1_div2_clk: pll1_div2_clk {
+ compatible = "fixed-factor-clock";
+ clocks = <&cpg_clocks SH73A0_CLK_PLL1>;
+ #clock-cells = <0>;
+ clock-div = <2>;
+ clock-mult = <1>;
+ clock-output-names = "pll1_div2";
+ };
+ pll1_div7_clk: pll1_div7_clk {
+ compatible = "fixed-factor-clock";
+ clocks = <&cpg_clocks SH73A0_CLK_PLL1>;
+ #clock-cells = <0>;
+ clock-div = <7>;
+ clock-mult = <1>;
+ clock-output-names = "pll1_div7";
+ };
+ pll1_div13_clk: pll1_div13_clk {
+ compatible = "fixed-factor-clock";
+ clocks = <&cpg_clocks SH73A0_CLK_PLL1>;
+ #clock-cells = <0>;
+ clock-div = <13>;
+ clock-mult = <1>;
+ clock-output-names = "pll1_div13";
+ };
+ twd_clk: twd_clk {
+ compatible = "fixed-factor-clock";
+ clocks = <&cpg_clocks SH73A0_CLK_Z>;
+ #clock-cells = <0>;
+ clock-div = <4>;
+ clock-mult = <1>;
+ clock-output-names = "twd";
+ };
+
+ /* Gate clocks */
+ mstp0_clks: mstp0_clks@e6150130 {
+ compatible = "renesas,sh73a0-mstp-clocks", "renesas,cpg-mstp-clocks";
+ reg = <0xe6150130 4>, <0xe6150030 4>;
+ clocks = <&cpg_clocks SH73A0_CLK_HP>;
+ #clock-cells = <1>;
+ clock-indices = <
+ SH73A0_CLK_IIC2
+ >;
+ clock-output-names =
+ "iic2";
+ };
+ mstp1_clks: mstp1_clks@e6150134 {
+ compatible = "renesas,sh73a0-mstp-clocks", "renesas,cpg-mstp-clocks";
+ reg = <0xe6150134 4>, <0xe6150038 4>;
+ clocks = <&cpg_clocks SH73A0_CLK_B>,
+ <&cpg_clocks SH73A0_CLK_B>,
+ <&cpg_clocks SH73A0_CLK_B>,
+ <&cpg_clocks SH73A0_CLK_B>,
+ <&sub_clk>, <&cpg_clocks SH73A0_CLK_B>,
+ <&cpg_clocks SH73A0_CLK_HP>,
+ <&cpg_clocks SH73A0_CLK_ZG>,
+ <&cpg_clocks SH73A0_CLK_B>;
+ #clock-cells = <1>;
+ clock-indices = <
+ SH73A0_CLK_CEU1 SH73A0_CLK_CSI2_RX1
+ SH73A0_CLK_CEU0 SH73A0_CLK_CSI2_RX0
+ SH73A0_CLK_TMU0 SH73A0_CLK_DSITX0
+ SH73A0_CLK_IIC0 SH73A0_CLK_SGX
+ SH73A0_CLK_LCDC0
+ >;
+ clock-output-names =
+ "ceu1", "csi2_rx1", "ceu0", "csi2_rx0",
+ "tmu0", "dsitx0", "iic0", "sgx", "lcdc0";
+ };
+ mstp2_clks: mstp2_clks@e6150138 {
+ compatible = "renesas,sh73a0-mstp-clocks", "renesas,cpg-mstp-clocks";
+ reg = <0xe6150138 4>, <0xe6150040 4>;
+ clocks = <&sub_clk>, <&cpg_clocks SH73A0_CLK_HP>,
+ <&cpg_clocks SH73A0_CLK_HP>, <&sub_clk>,
+ <&sub_clk>, <&sub_clk>, <&sub_clk>, <&sub_clk>,
+ <&sub_clk>, <&sub_clk>;
+ #clock-cells = <1>;
+ clock-indices = <
+ SH73A0_CLK_SCIFA7 SH73A0_CLK_SY_DMAC
+ SH73A0_CLK_MP_DMAC SH73A0_CLK_SCIFA5
+ SH73A0_CLK_SCIFB SH73A0_CLK_SCIFA0
+ SH73A0_CLK_SCIFA1 SH73A0_CLK_SCIFA2
+ SH73A0_CLK_SCIFA3 SH73A0_CLK_SCIFA4
+ >;
+ clock-output-names =
+ "scifa7", "sy_dmac", "mp_dmac", "scifa5",
+ "scifb", "scifa0", "scifa1", "scifa2",
+ "scifa3", "scifa4";
+ };
+ mstp3_clks: mstp3_clks@e615013c {
+ compatible = "renesas,sh73a0-mstp-clocks", "renesas,cpg-mstp-clocks";
+ reg = <0xe615013c 4>, <0xe6150048 4>;
+ clocks = <&sub_clk>, <&extalr_clk>,
+ <&cpg_clocks SH73A0_CLK_HP>, <&sub_clk>,
+ <&cpg_clocks SH73A0_CLK_HP>,
+ <&cpg_clocks SH73A0_CLK_HP>, <&flctl_clk>,
+ <&sdhi0_clk>, <&sdhi1_clk>,
+ <&cpg_clocks SH73A0_CLK_HP>, <&sdhi2_clk>,
+ <&main_div2_clk>, <&main_div2_clk>,
+ <&main_div2_clk>, <&main_div2_clk>,
+ <&main_div2_clk>;
+ #clock-cells = <1>;
+ clock-indices = <
+ SH73A0_CLK_SCIFA6 SH73A0_CLK_CMT1
+ SH73A0_CLK_FSI SH73A0_CLK_IRDA
+ SH73A0_CLK_IIC1 SH73A0_CLK_USB SH73A0_CLK_FLCTL
+ SH73A0_CLK_SDHI0 SH73A0_CLK_SDHI1
+ SH73A0_CLK_MMCIF0 SH73A0_CLK_SDHI2
+ SH73A0_CLK_TPU0 SH73A0_CLK_TPU1
+ SH73A0_CLK_TPU2 SH73A0_CLK_TPU3
+ SH73A0_CLK_TPU4
+ >;
+ clock-output-names =
+ "scifa6", "cmt1", "fsi", "irda", "iic1",
+ "usb", "flctl", "sdhi0", "sdhi1", "mmcif0", "sdhi2",
+ "tpu0", "tpu1", "tpu2", "tpu3", "tpu4";
+ };
+ mstp4_clks: mstp4_clks@e6150140 {
+ compatible = "renesas,sh73a0-mstp-clocks", "renesas,cpg-mstp-clocks";
+ reg = <0xe6150140 4>, <0xe615004c 4>;
+ clocks = <&cpg_clocks SH73A0_CLK_HP>,
+ <&cpg_clocks SH73A0_CLK_HP>, <&extalr_clk>;
+ #clock-cells = <1>;
+ clock-indices = <
+ SH73A0_CLK_IIC3 SH73A0_CLK_IIC4
+ SH73A0_CLK_KEYSC
+ >;
+ clock-output-names =
+ "iic3", "iic4", "keysc";
+ };
+ };
};
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
index 865f878..f70eca7 100644
--- a/arch/arm/mach-exynos/common.h
+++ b/arch/arm/mach-exynos/common.h
@@ -13,6 +13,7 @@
#define __ARCH_ARM_MACH_EXYNOS_COMMON_H
#include <linux/of.h>
+#include <linux/platform_data/cpuidle-exynos.h>
#define EXYNOS3250_SOC_ID 0xE3472000
#define EXYNOS3_SOC_MASK 0xFFFFF000
@@ -150,8 +151,11 @@ extern void exynos_pm_central_suspend(void);
extern int exynos_pm_central_resume(void);
extern void exynos_enter_aftr(void);
+extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data;
+
extern void s5p_init_cpu(void __iomem *cpuid_addr);
extern unsigned int samsung_rev(void);
+extern void __iomem *cpu_boot_reg_base(void);
static inline void pmu_raw_writel(u32 val, u32 offset)
{
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index 78eca99b..2013f73 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -211,6 +211,10 @@ static void __init exynos_dt_machine_init(void)
if (!IS_ENABLED(CONFIG_SMP))
exynos_sysram_init();
+#ifdef CONFIG_ARM_EXYNOS_CPUIDLE
+ if (of_machine_is_compatible("samsung,exynos4210"))
+ exynos_cpuidle.dev.platform_data = &cpuidle_coupled_exynos_data;
+#endif
if (of_machine_is_compatible("samsung,exynos4210") ||
of_machine_is_compatible("samsung,exynos4212") ||
(of_machine_is_compatible("samsung,exynos4412") &&
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index 7a1ebfe..3f32c47 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -194,7 +194,7 @@ int exynos_cluster_power_state(int cluster)
S5P_CORE_LOCAL_PWR_EN);
}
-static inline void __iomem *cpu_boot_reg_base(void)
+void __iomem *cpu_boot_reg_base(void)
{
if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_1_1)
return pmu_base_addr + S5P_INFORM5;
diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index dfc8594..e6209da 100644
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -98,10 +98,6 @@ void exynos_pm_central_suspend(void)
tmp = pmu_raw_readl(S5P_CENTRAL_SEQ_CONFIGURATION);
tmp &= ~S5P_CENTRAL_LOWPWR_CFG;
pmu_raw_writel(tmp, S5P_CENTRAL_SEQ_CONFIGURATION);
-
- /* Setting SEQ_OPTION register */
- pmu_raw_writel(S5P_USE_STANDBY_WFI0 | S5P_USE_STANDBY_WFE0,
- S5P_CENTRAL_SEQ_OPTION);
}
int exynos_pm_central_resume(void)
@@ -165,6 +161,13 @@ void exynos_enter_aftr(void)
exynos_pm_central_suspend();
+ if (of_machine_is_compatible("samsung,exynos4212") ||
+ of_machine_is_compatible("samsung,exynos4412")) {
+ /* Setting SEQ_OPTION register */
+ pmu_raw_writel(S5P_USE_STANDBY_WFI0 | S5P_USE_STANDBY_WFE0,
+ S5P_CENTRAL_SEQ_OPTION);
+ }
+
cpu_suspend(0, exynos_aftr_finisher);
if (read_cpuid_part() == ARM_CPU_PART_CORTEX_A9) {
@@ -177,3 +180,125 @@ void exynos_enter_aftr(void)
cpu_pm_exit();
}
+
+static atomic_t cpu1_wakeup = ATOMIC_INIT(0);
+
+static int exynos_cpu0_enter_aftr(void)
+{
+ int ret = -1;
+
+ /*
+ * If the other cpu is powered on, we have to power it off, because
+ * the AFTR state won't work otherwise
+ */
+ if (cpu_online(1)) {
+ /*
+ * We reach a sync point with the coupled idle state, we know
+ * the other cpu will power down itself or will abort the
+ * sequence, let's wait for one of these to happen
+ */
+ while (exynos_cpu_power_state(1)) {
+ /*
+ * The other cpu may skip idle and boot back
+ * up again
+ */
+ if (atomic_read(&cpu1_wakeup))
+ goto abort;
+
+ /*
+ * The other cpu may bounce through idle and
+ * boot back up again, getting stuck in the
+ * boot rom code
+ */
+ if (__raw_readl(cpu_boot_reg_base()) == 0)
+ goto abort;
+
+ cpu_relax();
+ }
+ }
+
+ exynos_enter_aftr();
+ ret = 0;
+
+abort:
+ if (cpu_online(1)) {
+ /*
+ * Set the boot vector to something non-zero
+ */
+ __raw_writel(virt_to_phys(exynos_cpu_resume),
+ cpu_boot_reg_base());
+ dsb();
+
+ /*
+ * Turn on cpu1 and wait for it to be on
+ */
+ exynos_cpu_power_up(1);
+ while (exynos_cpu_power_state(1) != S5P_CORE_LOCAL_PWR_EN)
+ cpu_relax();
+
+ while (!atomic_read(&cpu1_wakeup)) {
+ /*
+ * Poke cpu1 out of the boot rom
+ */
+ __raw_writel(virt_to_phys(exynos_cpu_resume),
+ cpu_boot_reg_base());
+
+ arch_send_wakeup_ipi_mask(cpumask_of(1));
+ }
+ }
+
+ return ret;
+}
+
+static int exynos_wfi_finisher(unsigned long flags)
+{
+ cpu_do_idle();
+
+ return -1;
+}
+
+static int exynos_cpu1_powerdown(void)
+{
+ int ret = -1;
+
+ /*
+ * Idle sequence for cpu1
+ */
+ if (cpu_pm_enter())
+ goto cpu1_aborted;
+
+ /*
+ * Turn off cpu 1
+ */
+ exynos_cpu_power_down(1);
+
+ ret = cpu_suspend(0, exynos_wfi_finisher);
+
+ cpu_pm_exit();
+
+cpu1_aborted:
+ dsb();
+ /*
+ * Notify cpu 0 that cpu 1 is awake
+ */
+ atomic_set(&cpu1_wakeup, 1);
+
+ return ret;
+}
+
+static void exynos_pre_enter_aftr(void)
+{
+ __raw_writel(virt_to_phys(exynos_cpu_resume), cpu_boot_reg_base());
+}
+
+static void exynos_post_enter_aftr(void)
+{
+ atomic_set(&cpu1_wakeup, 0);
+}
+
+struct cpuidle_exynos_data cpuidle_coupled_exynos_data = {
+ .cpu0_enter_aftr = exynos_cpu0_enter_aftr,
+ .cpu1_powerdown = exynos_cpu1_powerdown,
+ .pre_enter_aftr = exynos_pre_enter_aftr,
+ .post_enter_aftr = exynos_post_enter_aftr,
+};
diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c
index 82e6b6f..666ec3e 100644
--- a/arch/arm/mach-exynos/suspend.c
+++ b/arch/arm/mach-exynos/suspend.c
@@ -319,6 +319,10 @@ static int exynos_pm_suspend(void)
{
exynos_pm_central_suspend();
+ /* Setting SEQ_OPTION register */
+ pmu_raw_writel(S5P_USE_STANDBY_WFI0 | S5P_USE_STANDBY_WFE0,
+ S5P_CENTRAL_SEQ_OPTION);
+
if (read_cpuid_part() == ARM_CPU_PART_CORTEX_A9)
exynos_cpu_save_register();
diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
index a8593d1..faea74a 100644
--- a/arch/arm/mach-shmobile/setup-sh73a0.c
+++ b/arch/arm/mach-shmobile/setup-sh73a0.c
@@ -766,7 +766,9 @@ void __init __weak sh73a0_register_twd(void) { }
void __init sh73a0_earlytimer_init(void)
{
shmobile_init_delay();
+#ifndef CONFIG_COMMON_CLK
sh73a0_clock_init();
+#endif
shmobile_earlytimer_init();
sh73a0_register_twd();
}
@@ -785,8 +787,9 @@ void __init sh73a0_add_early_devices(void)
void __init sh73a0_add_standard_devices_dt(void)
{
/* clocks are setup late during boot in the case of DT */
+#ifndef CONFIG_COMMON_CLK
sh73a0_clock_init();
-
+#endif
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
generated by cgit v0.10.2 at 2024-10-16 13:03:03 (GMT)