diff options
44 files changed, 254 insertions, 209 deletions
diff --git a/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt b/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt index 63dd8051521c..18729f6fe1e5 100644 --- a/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt +++ b/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt @@ -1,7 +1,8 @@ * OMAP OCP2SCP - ocp interface to scp interface properties: -- compatible : Should be "ti,omap-ocp2scp" +- compatible : Should be "ti,am437x-ocp2scp" for AM437x processor + Should be "ti,omap-ocp2scp" for all others - reg : Address and length of the register set for the device - #address-cells, #size-cells : Must be present if the device has sub-nodes - ranges : the child address space are mapped 1:1 onto the parent address space diff --git a/MAINTAINERS b/MAINTAINERS index b4b131a0b939..8e9ecbe6ebb5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7007,6 +7007,8 @@ Q: http://patchwork.kernel.org/project/linux-omap/list/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git S: Maintained F: arch/arm/*omap*/ +F: arch/arm/configs/omap1_defconfig +F: arch/arm/configs/omap2plus_defconfig F: drivers/i2c/busses/i2c-omap.c F: drivers/irqchip/irq-omap-intc.c F: drivers/mfd/*omap*.c diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index 8a099bc10c1e..ebe4fa691860 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -796,7 +796,7 @@ }; ocp2scp0: ocp2scp@483a8000 { - compatible = "ti,omap-ocp2scp"; + compatible = "ti,am437x-ocp2scp", "ti,omap-ocp2scp"; #address-cells = <1>; #size-cells = <1>; ranges; @@ -815,7 +815,7 @@ }; ocp2scp1: ocp2scp@483e8000 { - compatible = "ti,omap-ocp2scp"; + compatible = "ti,am437x-ocp2scp", "ti,omap-ocp2scp"; #address-cells = <1>; #size-cells = <1>; ranges; diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts index bd48dba16748..e580f4ffbde0 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts @@ -87,6 +87,7 @@ gpios = <&tps659038_gpio 1 GPIO_ACTIVE_HIGH>; gpio-fan,speed-map = <0 0>, <13000 1>; + #cooling-cells = <2>; }; extcon_usb1: extcon_usb1 { @@ -442,6 +443,7 @@ pinctrl-0 = <&tmp102_pins_default>; interrupt-parent = <&gpio7>; interrupts = <16 IRQ_TYPE_LEVEL_LOW>; + #thermal-sensor-cells = <1>; }; }; @@ -551,3 +553,50 @@ &usb2 { dr_mode = "peripheral"; }; + +&cpu_trips { + cpu_alert1: cpu_alert1 { + temperature = <50000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "active"; + }; +}; + +&cpu_cooling_maps { + map1 { + trip = <&cpu_alert1>; + cooling-device = <&gpio_fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; +}; + +&thermal_zones { + board_thermal: board_thermal { + polling-delay-passive = <1250>; /* milliseconds */ + polling-delay = <1500>; /* milliseconds */ + + /* sensor ID */ + thermal-sensors = <&tmp102 0>; + + board_trips: trips { + board_alert0: board_alert { + temperature = <40000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "active"; + }; + + board_crit: board_crit { + temperature = <105000>; /* millicelsius */ + hysteresis = <0>; /* millicelsius */ + type = "critical"; + }; + }; + + board_cooling_maps: cooling-maps { + map0 { + trip = <&board_alert0>; + cooling-device = + <&gpio_fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; +}; diff --git a/arch/arm/boot/dts/at91-sama5d3_xplained.dts b/arch/arm/boot/dts/at91-sama5d3_xplained.dts index fec1fca2ad66..6c4bc53cbf4e 100644 --- a/arch/arm/boot/dts/at91-sama5d3_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d3_xplained.dts @@ -167,7 +167,13 @@ macb1: ethernet@f802c000 { phy-mode = "rmii"; + #address-cells = <1>; + #size-cells = <0>; status = "okay"; + + ethernet-phy@1 { + reg = <0x1>; + }; }; dbgu: serial@ffffee00 { diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index a0afce7ad482..fe55938bc978 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -185,6 +185,18 @@ }; }; + bandgap: bandgap@4a0021e0 { + reg = <0x4a0021e0 0xc + 0x4a00232c 0xc + 0x4a002380 0x2c + 0x4a0023C0 0x3c + 0x4a002564 0x8 + 0x4a002574 0x50>; + compatible = "ti,dra752-bandgap"; + interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>; + #thermal-sensor-cells = <1>; + }; + cm_core_aon: cm_core_aon@4a005000 { compatible = "ti,dra7-cm-core-aon"; reg = <0x4a005000 0x2000>; @@ -1435,6 +1447,17 @@ status = "disabled"; }; }; + + thermal_zones: thermal-zones { + #include "omap4-cpu-thermal.dtsi" + #include "omap5-gpu-thermal.dtsi" + #include "omap5-core-thermal.dtsi" + }; + +}; + +&cpu_thermal { + polling-delay = <500>; /* milliseconds */ }; /include/ "dra7xx-clocks.dtsi" diff --git a/arch/arm/boot/dts/dra72x.dtsi b/arch/arm/boot/dts/dra72x.dtsi index f7fb0d0ef25a..03d742f8d572 100644 --- a/arch/arm/boot/dts/dra72x.dtsi +++ b/arch/arm/boot/dts/dra72x.dtsi @@ -20,6 +20,11 @@ device_type = "cpu"; compatible = "arm,cortex-a15"; reg = <0>; + + /* cooling options */ + cooling-min-level = <0>; + cooling-max-level = <2>; + #cooling-cells = <2>; /* min followed by max */ }; }; diff --git a/arch/arm/boot/dts/dra74x.dtsi b/arch/arm/boot/dts/dra74x.dtsi index 00eeed789b4b..cc560a70926f 100644 --- a/arch/arm/boot/dts/dra74x.dtsi +++ b/arch/arm/boot/dts/dra74x.dtsi @@ -31,6 +31,11 @@ clock-names = "cpu"; clock-latency = <300000>; /* From omap-cpufreq driver */ + + /* cooling options */ + cooling-min-level = <0>; + cooling-max-level = <2>; + #cooling-cells = <2>; /* min followed by max */ }; cpu@1 { device_type = "cpu"; diff --git a/arch/arm/boot/dts/exynos5250-spring.dts b/arch/arm/boot/dts/exynos5250-spring.dts index f02775487cd4..d075a68ac078 100644 --- a/arch/arm/boot/dts/exynos5250-spring.dts +++ b/arch/arm/boot/dts/exynos5250-spring.dts @@ -429,7 +429,6 @@ &mmc_0 { status = "okay"; num-slots = <1>; - supports-highspeed; broken-cd; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; @@ -437,11 +436,8 @@ samsung,dw-mshc-ddr-timing = <1 2>; pinctrl-names = "default"; pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>; - - slot@0 { - reg = <0>; - bus-width = <8>; - }; + bus-width = <8>; + cap-mmc-highspeed; }; /* @@ -451,7 +447,6 @@ &mmc_1 { status = "okay"; num-slots = <1>; - supports-highspeed; broken-cd; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; @@ -459,11 +454,8 @@ samsung,dw-mshc-ddr-timing = <1 2>; pinctrl-names = "default"; pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_cd &sd1_bus4>; - - slot@0 { - reg = <0>; - bus-width = <4>; - }; + bus-width = <4>; + cap-sd-highspeed; }; &pinctrl_0 { @@ -490,7 +482,7 @@ power_key_irq: power-key-irq { samsung,pins = "gpx1-3"; - samsung,pin-function = <0>; + samsung,pin-function = <0xf>; samsung,pin-pud = <0>; samsung,pin-drv = <0>; }; @@ -518,7 +510,7 @@ lid_irq: lid-irq { samsung,pins = "gpx3-5"; - samsung,pin-function = <0>; + samsung,pin-function = <0xf>; samsung,pin-pud = <0>; samsung,pin-drv = <0>; }; diff --git a/arch/arm/boot/dts/omap4-cpu-thermal.dtsi b/arch/arm/boot/dts/omap4-cpu-thermal.dtsi index cb9458feb2e3..ab7f87ae96f0 100644 --- a/arch/arm/boot/dts/omap4-cpu-thermal.dtsi +++ b/arch/arm/boot/dts/omap4-cpu-thermal.dtsi @@ -18,7 +18,7 @@ cpu_thermal: cpu_thermal { /* sensor ID */ thermal-sensors = <&bandgap 0>; - trips { + cpu_trips: trips { cpu_alert0: cpu_alert { temperature = <100000>; /* millicelsius */ hysteresis = <2000>; /* millicelsius */ @@ -31,7 +31,7 @@ cpu_thermal: cpu_thermal { }; }; - cooling-maps { + cpu_cooling_maps: cooling-maps { map0 { trip = <&cpu_alert0>; cooling-device = diff --git a/arch/arm/mach-cns3xxx/pm.c b/arch/arm/mach-cns3xxx/pm.c index fb38c726e987..f46b78dd6136 100644 --- a/arch/arm/mach-cns3xxx/pm.c +++ b/arch/arm/mach-cns3xxx/pm.c @@ -73,7 +73,6 @@ static void cns3xxx_pwr_soft_rst_force(unsigned int block) __raw_writel(reg, PM_SOFT_RST_REG); } -EXPORT_SYMBOL(cns3xxx_pwr_soft_rst_force); void cns3xxx_pwr_soft_rst(unsigned int block) { diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index f44c2e05c82e..8576a9f734bd 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -206,7 +206,7 @@ static void __init exynos_dt_machine_init(void) if (!IS_ENABLED(CONFIG_SMP)) exynos_sysram_init(); -#ifdef CONFIG_ARM_EXYNOS_CPUIDLE +#if defined(CONFIG_SMP) && defined(CONFIG_ARM_EXYNOS_CPUIDLE) if (of_machine_is_compatible("samsung,exynos4210")) exynos_cpuidle.dev.platform_data = &cpuidle_coupled_exynos_data; #endif diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index e6209dadc00d..5685250693fd 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -181,6 +181,7 @@ void exynos_enter_aftr(void) cpu_pm_exit(); } +#if defined(CONFIG_SMP) && defined(CONFIG_ARM_EXYNOS_CPUIDLE) static atomic_t cpu1_wakeup = ATOMIC_INIT(0); static int exynos_cpu0_enter_aftr(void) @@ -302,3 +303,4 @@ struct cpuidle_exynos_data cpuidle_coupled_exynos_data = { .pre_enter_aftr = exynos_pre_enter_aftr, .post_enter_aftr = exynos_post_enter_aftr, }; +#endif /* CONFIG_SMP && CONFIG_ARM_EXYNOS_CPUIDLE */ diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c index 8b9f5e202ccf..4f4e22206ae5 100644 --- a/arch/arm/mach-mvebu/pmsu.c +++ b/arch/arm/mach-mvebu/pmsu.c @@ -415,6 +415,9 @@ static __init int armada_38x_cpuidle_init(void) void __iomem *mpsoc_base; u32 reg; + pr_warn("CPU idle is currently broken on Armada 38x: disabling"); + return 0; + np = of_find_compatible_node(NULL, NULL, "marvell,armada-380-coherency-fabric"); if (!np) @@ -476,6 +479,16 @@ static int __init mvebu_v7_cpu_pm_init(void) return 0; of_node_put(np); + /* + * Currently the CPU idle support for Armada 38x is broken, as + * the CPU hotplug uses some of the CPU idle functions it is + * broken too, so let's disable it + */ + if (of_machine_is_compatible("marvell,armada380")) { + cpu_hotplug_disable(); + pr_warn("CPU hotplug support is currently broken on Armada 38x: disabling"); + } + if (of_machine_is_compatible("marvell,armadaxp")) ret = armada_xp_cpuidle_init(); else if (of_machine_is_compatible("marvell,armada370")) @@ -489,7 +502,8 @@ static int __init mvebu_v7_cpu_pm_init(void) return ret; mvebu_v7_pmsu_enable_l2_powerdown_onidle(); - platform_device_register(&mvebu_v7_cpuidle_device); + if (mvebu_v7_cpuidle_device.name) + platform_device_register(&mvebu_v7_cpuidle_device); cpu_pm_register_notifier(&mvebu_v7_cpu_pm_notifier); return 0; diff --git a/arch/arm/mach-omap1/pm.c b/arch/arm/mach-omap1/pm.c index 34b4c0044961..dd94567c3628 100644 --- a/arch/arm/mach-omap1/pm.c +++ b/arch/arm/mach-omap1/pm.c @@ -71,13 +71,7 @@ static unsigned int mpui7xx_sleep_save[MPUI7XX_SLEEP_SAVE_SIZE]; static unsigned int mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_SIZE]; static unsigned int mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_SIZE]; -#ifndef CONFIG_OMAP_32K_TIMER - -static unsigned short enable_dyn_sleep = 0; - -#else - -static unsigned short enable_dyn_sleep = 1; +static unsigned short enable_dyn_sleep; static ssize_t idle_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) @@ -90,8 +84,9 @@ static ssize_t idle_store(struct kobject *kobj, struct kobj_attribute *attr, { unsigned short value; if (sscanf(buf, "%hu", &value) != 1 || - (value != 0 && value != 1)) { - printk(KERN_ERR "idle_sleep_store: Invalid value\n"); + (value != 0 && value != 1) || + (value != 0 && !IS_ENABLED(CONFIG_OMAP_32K_TIMER))) { + pr_err("idle_sleep_store: Invalid value\n"); return -EINVAL; } enable_dyn_sleep = value; @@ -101,7 +96,6 @@ static ssize_t idle_store(struct kobject *kobj, struct kobj_attribute *attr, static struct kobj_attribute sleep_while_idle_attr = __ATTR(sleep_while_idle, 0644, idle_show, idle_store); -#endif static void (*omap_sram_suspend)(unsigned long r0, unsigned long r1) = NULL; @@ -115,16 +109,11 @@ void omap1_pm_idle(void) { extern __u32 arm_idlect1_mask; __u32 use_idlect1 = arm_idlect1_mask; - int do_sleep = 0; local_fiq_disable(); #if defined(CONFIG_OMAP_MPU_TIMER) && !defined(CONFIG_OMAP_DM_TIMER) -#warning Enable 32kHz OS timer in order to allow sleep states in idle use_idlect1 = use_idlect1 & ~(1 << 9); -#else - if (enable_dyn_sleep) - do_sleep = 1; #endif #ifdef CONFIG_OMAP_DM_TIMER @@ -134,10 +123,12 @@ void omap1_pm_idle(void) if (omap_dma_running()) use_idlect1 &= ~(1 << 6); - /* We should be able to remove the do_sleep variable and multiple + /* + * We should be able to remove the do_sleep variable and multiple * tests above as soon as drivers, timer and DMA code have been fixed. - * Even the sleep block count should become obsolete. */ - if ((use_idlect1 != ~0) || !do_sleep) { + * Even the sleep block count should become obsolete. + */ + if ((use_idlect1 != ~0) || !enable_dyn_sleep) { __u32 saved_idlect1 = omap_readl(ARM_IDLECT1); if (cpu_is_omap15xx()) @@ -635,15 +626,25 @@ static const struct platform_suspend_ops omap_pm_ops = { static int __init omap_pm_init(void) { - -#ifdef CONFIG_OMAP_32K_TIMER - int error; -#endif + int error = 0; if (!cpu_class_is_omap1()) return -ENODEV; - printk("Power Management for TI OMAP.\n"); + pr_info("Power Management for TI OMAP.\n"); + + if (!IS_ENABLED(CONFIG_OMAP_32K_TIMER)) + pr_info("OMAP1 PM: sleep states in idle disabled due to no 32KiHz timer\n"); + + if (!IS_ENABLED(CONFIG_OMAP_DM_TIMER)) + pr_info("OMAP1 PM: sleep states in idle disabled due to no DMTIMER support\n"); + + if (IS_ENABLED(CONFIG_OMAP_32K_TIMER) && + IS_ENABLED(CONFIG_OMAP_DM_TIMER)) { + /* OMAP16xx only */ + pr_info("OMAP1 PM: sleep states in idle enabled\n"); + enable_dyn_sleep = 1; + } /* * We copy the assembler sleep/wakeup routines to SRAM. @@ -693,17 +694,15 @@ static int __init omap_pm_init(void) omap_pm_init_debugfs(); #endif -#ifdef CONFIG_OMAP_32K_TIMER error = sysfs_create_file(power_kobj, &sleep_while_idle_attr.attr); if (error) printk(KERN_ERR "sysfs_create_file failed: %d\n", error); -#endif if (cpu_is_omap16xx()) { /* configure LOW_PWR pin */ omap_cfg_reg(T20_1610_LOW_PWR); } - return 0; + return error; } __initcall(omap_pm_init); diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 2b8e47788062..1041b19485ab 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -69,6 +69,7 @@ config SOC_DRA7XX select ARM_GIC select HAVE_ARM_ARCH_TIMER select IRQ_CROSSBAR + select ARM_ERRATA_798181 if SMP config ARCH_OMAP2PLUS bool @@ -278,27 +279,6 @@ config OMAP3_SDRC_AC_TIMING wish to say no. Selecting yes without understanding what is going on could result in system crashes; -config OMAP4_ERRATA_I688 - bool "OMAP4 errata: Async Bridge Corruption" - depends on (ARCH_OMAP4 || SOC_OMAP5) && !ARCH_MULTIPLATFORM - select ARCH_HAS_BARRIERS - help - If a data is stalled inside asynchronous bridge because of back - pressure, it may be accepted multiple times, creating pointer - misalignment that will corrupt next transfers on that data path - until next reset of the system (No recovery procedure once the - issue is hit, the path remains consistently broken). Async bridge - can be found on path between MPU to EMIF and MPU to L3 interconnect. - This situation can happen only when the idle is initiated by a - Master Request Disconnection (which is trigged by software when - executing WFI on CPU). - The work-around for this errata needs all the initiators connected - through async bridge must ensure that data path is properly drained - before issuing WFI. This condition will be met if one Strongly ordered - access is performed to the target right before executing the WFI. - In MPU case, L3 T2ASYNC FIFO and DDR T2ASYNC FIFO needs to be drained. - IO barrier ensure that there is no synchronisation loss on initiators - operating on both interconnect port simultaneously. endmenu endif diff --git a/arch/arm/mach-omap2/common.c b/arch/arm/mach-omap2/common.c index 484cdadfb187..eae6a0e87c90 100644 --- a/arch/arm/mach-omap2/common.c +++ b/arch/arm/mach-omap2/common.c @@ -30,5 +30,4 @@ int __weak omap_secure_ram_reserve_memblock(void) void __init omap_reserve(void) { omap_secure_ram_reserve_memblock(); - omap_barrier_reserve_memblock(); } diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h index 46e24581d624..cf3cf22ecd42 100644 --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -200,9 +200,6 @@ void __init omap4_map_io(void); void __init omap5_map_io(void); void __init ti81xx_map_io(void); -/* omap_barriers_init() is OMAP4 only */ -void omap_barriers_init(void); - /** * omap_test_timeout - busy-loop, testing a condition * @cond: condition to test until it evaluates to true diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index c4871c55bd8b..1eeff6be260d 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -306,7 +306,6 @@ void __init am33xx_map_io(void) void __init omap4_map_io(void) { iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc)); - omap_barriers_init(); } #endif @@ -314,7 +313,6 @@ void __init omap4_map_io(void) void __init omap5_map_io(void) { iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc)); - omap_barriers_init(); } #endif /* diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index 78064b0d4db5..176eef6ef338 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -1053,7 +1053,7 @@ static void __init omap_mux_init_list(struct omap_mux_partition *partition, struct omap_mux *entry; #ifdef CONFIG_OMAP_MUX - if (!superset->muxnames || !superset->muxnames[0]) { + if (!superset->muxnames[0]) { superset++; continue; } diff --git a/arch/arm/mach-omap2/omap-secure.h b/arch/arm/mach-omap2/omap-secure.h index dec2b05d184b..af2851fbcdf0 100644 --- a/arch/arm/mach-omap2/omap-secure.h +++ b/arch/arm/mach-omap2/omap-secure.h @@ -70,13 +70,6 @@ extern u32 rx51_secure_dispatcher(u32 idx, u32 process, u32 flag, u32 nargs, extern u32 rx51_secure_update_aux_cr(u32 set_bits, u32 clear_bits); extern u32 rx51_secure_rng_call(u32 ptr, u32 count, u32 flag); -#ifdef CONFIG_OMAP4_ERRATA_I688 -extern int omap_barrier_reserve_memblock(void); -#else -static inline void omap_barrier_reserve_memblock(void) -{ } -#endif - #ifdef CONFIG_SOC_HAS_REALTIME_COUNTER void set_cntfreq(void); #else diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index 7bb116a6f86f..16350eefa66c 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -51,75 +51,6 @@ static void __iomem *twd_base; #define IRQ_LOCALTIMER 29 -#ifdef CONFIG_OMAP4_ERRATA_I688 -/* Used to implement memory barrier on DRAM path */ -#define OMAP4_DRAM_BARRIER_VA 0xfe600000 - -void __iomem *dram_sync, *sram_sync; - -static phys_addr_t paddr; -static u32 size; - -void omap_bus_sync(void) -{ - if (dram_sync && sram_sync) { - writel_relaxed(readl_relaxed(dram_sync), dram_sync); - writel_relaxed(readl_relaxed(sram_sync), sram_sync); - isb(); - } -} -EXPORT_SYMBOL(omap_bus_sync); - -static int __init omap4_sram_init(void) -{ - struct device_node *np; - struct gen_pool *sram_pool; - - np = of_find_compatible_node(NULL, NULL, "ti,omap4-mpu"); - if (!np) - pr_warn("%s:Unable to allocate sram needed to handle errata I688\n", - __func__); - sram_pool = of_get_named_gen_pool(np, "sram", 0); - if (!sram_pool) - pr_warn("%s:Unable to get sram pool needed to handle errata I688\n", - __func__); - else - sram_sync = (void *)gen_pool_alloc(sram_pool, PAGE_SIZE); - - return 0; -} -omap_arch_initcall(omap4_sram_init); - -/* Steal one page physical memory for barrier implementation */ -int __init omap_barrier_reserve_memblock(void) -{ - - size = ALIGN(PAGE_SIZE, SZ_1M); - paddr = arm_memblock_steal(size, SZ_1M); - - return 0; -} - -void __init omap_barriers_init(void) -{ - struct map_desc dram_io_desc[1]; - - dram_io_desc[0].virtual = OMAP4_DRAM_BARRIER_VA; - dram_io_desc[0].pfn = __phys_to_pfn(paddr); - dram_io_desc[0].length = size; - dram_io_desc[0].type = MT_MEMORY_RW_SO; - iotable_init(dram_io_desc, ARRAY_SIZE(dram_io_desc)); - dram_sync = (void __iomem *) dram_io_desc[0].virtual; - - pr_info("OMAP4: Map 0x%08llx to 0x%08lx for dram barrier\n", - (long long) paddr, dram_io_desc[0].virtual); - -} -#else -void __init omap_barriers_init(void) -{} -#endif - void gic_dist_disable(void) { if (gic_dist_base_addr) diff --git a/arch/arm/mach-omap2/sleep44xx.S b/arch/arm/mach-omap2/sleep44xx.S index b84a0122d823..ad1bb9431e94 100644 --- a/arch/arm/mach-omap2/sleep44xx.S +++ b/arch/arm/mach-omap2/sleep44xx.S @@ -333,11 +333,9 @@ ENDPROC(omap4_cpu_resume) #endif /* defined(CONFIG_SMP) && defined(CONFIG_PM) */ -#ifndef CONFIG_OMAP4_ERRATA_I688 ENTRY(omap_bus_sync) ret lr ENDPROC(omap_bus_sync) -#endif ENTRY(omap_do_wfi) stmfd sp!, {lr} diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig index 79c49ff77f6e..23bec3a85b22 100644 --- a/arch/arm/mach-s3c24xx/Kconfig +++ b/arch/arm/mach-s3c24xx/Kconfig @@ -39,14 +39,14 @@ config CPU_S3C2412 bool "SAMSUNG S3C2412" select CPU_ARM926T select S3C2412_COMMON_CLK - select S3C2412_PM if PM + select S3C2412_PM if PM_SLEEP help Support for the S3C2412 and S3C2413 SoCs from the S3C24XX line config CPU_S3C2416 bool "SAMSUNG S3C2416/S3C2450" select CPU_ARM926T - select S3C2416_PM if PM + select S3C2416_PM if PM_SLEEP select S3C2443_COMMON_CLK help Support for the S3C2416 SoC from the S3C24XX line @@ -55,7 +55,7 @@ config CPU_S3C2440 bool "SAMSUNG S3C2440" select CPU_ARM920T select S3C2410_COMMON_CLK - select S3C2410_PM if PM + select S3C2410_PM if PM_SLEEP help Support for S3C2440 Samsung Mobile CPU based systems. @@ -63,7 +63,7 @@ config CPU_S3C2442 bool "SAMSUNG S3C2442" select CPU_ARM920T select S3C2410_COMMON_CLK - select S3C2410_PM if PM + select S3C2410_PM if PM_SLEEP help Support for S3C2442 Samsung Mobile CPU based systems. @@ -228,11 +228,6 @@ config H1940BT This is a simple driver that is able to control the state of built in bluetooth chip on h1940. -config PM_H1940 - bool - help - Internal node for H1940 and related PM - config MACH_N30 bool "Acer N30 family" select S3C_DEV_NAND @@ -362,6 +357,7 @@ if CPU_S3C2416 config S3C2416_PM bool select S3C2412_PM_SLEEP + select SAMSUNG_WAKEMASK help Internal config node to apply S3C2416 power management @@ -584,6 +580,11 @@ config MACH_SMDK2443 endif # CPU_S3C2443 +config PM_H1940 + bool + help + Internal node for H1940 and related PM + endmenu # SAMSUNG S3C24XX SoCs Support endif # ARCH_S3C24XX diff --git a/arch/arm/mach-s3c24xx/Makefile b/arch/arm/mach-s3c24xx/Makefile index b40a22fe082a..05920c8a5764 100644 --- a/arch/arm/mach-s3c24xx/Makefile +++ b/arch/arm/mach-s3c24xx/Makefile @@ -32,7 +32,8 @@ obj-$(CONFIG_CPU_S3C2443) += s3c2443.o # PM -obj-$(CONFIG_PM) += pm.o irq-pm.o sleep.o +obj-$(CONFIG_PM) += pm.o +obj-$(CONFIG_PM_SLEEP) += irq-pm.o sleep.o # common code diff --git a/arch/arm/mach-s3c24xx/include/mach/pm-core.h b/arch/arm/mach-s3c24xx/include/mach/pm-core.h index 2eef7e6f7675..69459dbbdcad 100644 --- a/arch/arm/mach-s3c24xx/include/mach/pm-core.h +++ b/arch/arm/mach-s3c24xx/include/mach/pm-core.h @@ -10,6 +10,11 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ +#include <linux/delay.h> +#include <linux/io.h> + +#include "regs-clock.h" +#include "regs-irq.h" static inline void s3c_pm_debug_init_uart(void) { @@ -42,8 +47,23 @@ static inline void s3c_pm_arch_stop_clocks(void) __raw_writel(0x00, S3C2410_CLKCON); /* turn off clocks over sleep */ } -static void s3c_pm_show_resume_irqs(int start, unsigned long which, - unsigned long mask); +/* s3c2410_pm_show_resume_irqs + * + * print any IRQs asserted at resume time (ie, we woke from) +*/ +static inline void s3c_pm_show_resume_irqs(int start, unsigned long which, + unsigned long mask) +{ + int i; + + which &= ~mask; + + for (i = 0; i <= 31; i++) { + if (which & (1L<<i)) { + S3C_PMDBG("IRQ %d asserted at resume\n", start+i); + } + } +} static inline void s3c_pm_arch_show_resume_irqs(void) { diff --git a/arch/arm/mach-s3c24xx/pm-s3c2416.c b/arch/arm/mach-s3c24xx/pm-s3c2416.c index 44923895f558..c0e328e37bd6 100644 --- a/arch/arm/mach-s3c24xx/pm-s3c2416.c +++ b/arch/arm/mach-s3c24xx/pm-s3c2416.c @@ -23,6 +23,7 @@ #include "s3c2412-power.h" +#ifdef CONFIG_PM_SLEEP extern void s3c2412_sleep_enter(void); static int s3c2416_cpu_suspend(unsigned long arg) @@ -70,7 +71,7 @@ static __init int s3c2416_pm_init(void) } arch_initcall(s3c2416_pm_init); - +#endif static void s3c2416_pm_resume(void) { diff --git a/arch/arm/mach-s3c24xx/pm.c b/arch/arm/mach-s3c24xx/pm.c index b19256ec8d40..5d510bca0844 100644 --- a/arch/arm/mach-s3c24xx/pm.c +++ b/arch/arm/mach-s3c24xx/pm.c @@ -50,6 +50,7 @@ #define PFX "s3c24xx-pm: " +#ifdef CONFIG_PM_SLEEP static struct sleep_save core_save[] = { /* we restore the timings here, with the proviso that the board * brings the system up in an slower, or equal frequency setting @@ -67,6 +68,7 @@ static struct sleep_save core_save[] = { SAVE_ITEM(S3C2410_BANKCON4), SAVE_ITEM(S3C2410_BANKCON5), }; +#endif /* s3c_pm_check_resume_pin * @@ -121,7 +123,7 @@ void s3c_pm_configure_extint(void) } } - +#ifdef CONFIG_PM_SLEEP void s3c_pm_restore_core(void) { s3c_pm_do_restore_core(core_save, ARRAY_SIZE(core_save)); @@ -131,4 +133,4 @@ void s3c_pm_save_core(void) { s3c_pm_do_save(core_save, ARRAY_SIZE(core_save)); } - +#endif diff --git a/arch/arm/mach-s3c24xx/s3c2410.c b/arch/arm/mach-s3c24xx/s3c2410.c index 2a6985a4a0ff..5061d66ca10c 100644 --- a/arch/arm/mach-s3c24xx/s3c2410.c +++ b/arch/arm/mach-s3c24xx/s3c2410.c @@ -121,7 +121,7 @@ int __init s3c2410_init(void) { printk("S3C2410: Initialising architecture\n"); -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP register_syscore_ops(&s3c2410_pm_syscore_ops); register_syscore_ops(&s3c24xx_irq_syscore_ops); #endif diff --git a/arch/arm/mach-s3c24xx/s3c2412.c b/arch/arm/mach-s3c24xx/s3c2412.c index ecf2c77ab88b..64a13605cfc3 100644 --- a/arch/arm/mach-s3c24xx/s3c2412.c +++ b/arch/arm/mach-s3c24xx/s3c2412.c @@ -172,7 +172,7 @@ int __init s3c2412_init(void) { printk("S3C2412: Initialising architecture\n"); -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP register_syscore_ops(&s3c2412_pm_syscore_ops); register_syscore_ops(&s3c24xx_irq_syscore_ops); #endif diff --git a/arch/arm/mach-s3c24xx/s3c2416.c b/arch/arm/mach-s3c24xx/s3c2416.c index bfd4da86deb8..3f8ca2a3ef17 100644 --- a/arch/arm/mach-s3c24xx/s3c2416.c +++ b/arch/arm/mach-s3c24xx/s3c2416.c @@ -98,7 +98,7 @@ int __init s3c2416_init(void) s3c_adc_setname("s3c2416-adc"); s3c_rtc_setname("s3c2416-rtc"); -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP register_syscore_ops(&s3c2416_pm_syscore_ops); register_syscore_ops(&s3c24xx_irq_syscore_ops); register_syscore_ops(&s3c2416_irq_syscore_ops); diff --git a/arch/arm/mach-s3c24xx/s3c2440.c b/arch/arm/mach-s3c24xx/s3c2440.c index 03d379f1fc52..eb733555fab5 100644 --- a/arch/arm/mach-s3c24xx/s3c2440.c +++ b/arch/arm/mach-s3c24xx/s3c2440.c @@ -57,11 +57,11 @@ int __init s3c2440_init(void) /* register suspend/resume handlers */ -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP register_syscore_ops(&s3c2410_pm_syscore_ops); register_syscore_ops(&s3c24xx_irq_syscore_ops); -#endif register_syscore_ops(&s3c244x_pm_syscore_ops); +#endif /* register our system device for everything else */ diff --git a/arch/arm/mach-s3c24xx/s3c2442.c b/arch/arm/mach-s3c24xx/s3c2442.c index 7b043349f1c8..893998ede022 100644 --- a/arch/arm/mach-s3c24xx/s3c2442.c +++ b/arch/arm/mach-s3c24xx/s3c2442.c @@ -60,11 +60,11 @@ int __init s3c2442_init(void) { printk("S3C2442: Initialising architecture\n"); -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP register_syscore_ops(&s3c2410_pm_syscore_ops); register_syscore_ops(&s3c24xx_irq_syscore_ops); -#endif register_syscore_ops(&s3c244x_pm_syscore_ops); +#endif return device_register(&s3c2442_dev); } diff --git a/arch/arm/mach-s3c24xx/s3c244x.c b/arch/arm/mach-s3c24xx/s3c244x.c index 177f97802745..b14119585dc7 100644 --- a/arch/arm/mach-s3c24xx/s3c244x.c +++ b/arch/arm/mach-s3c24xx/s3c244x.c @@ -108,7 +108,7 @@ static int __init s3c2442_core_init(void) core_initcall(s3c2442_core_init); -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static struct sleep_save s3c244x_sleep[] = { SAVE_ITEM(S3C2440_DSC0), SAVE_ITEM(S3C2440_DSC1), @@ -127,12 +127,9 @@ static void s3c244x_resume(void) { s3c_pm_do_restore(s3c244x_sleep, ARRAY_SIZE(s3c244x_sleep)); } -#else -#define s3c244x_suspend NULL -#define s3c244x_resume NULL -#endif struct syscore_ops s3c244x_pm_syscore_ops = { .suspend = s3c244x_suspend, .resume = s3c244x_resume, }; +#endif diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig index 26ca2427e53d..eff95e950d81 100644 --- a/arch/arm/mach-s3c64xx/Kconfig +++ b/arch/arm/mach-s3c64xx/Kconfig @@ -189,6 +189,7 @@ endchoice config SMDK6410_WM1190_EV1 bool "Support Wolfson Microelectronics 1190-EV1 PMIC card" depends on MACH_SMDK6410 + depends on I2C=y select MFD_WM8350_I2C select REGULATOR select REGULATOR_WM8350 @@ -203,6 +204,7 @@ config SMDK6410_WM1190_EV1 config SMDK6410_WM1192_EV1 bool "Support Wolfson Microelectronics 1192-EV1 PMIC card" depends on MACH_SMDK6410 + depends on I2C=y select MFD_WM831X select MFD_WM831X_I2C select REGULATOR @@ -269,8 +271,8 @@ config MACH_SMARTQ7 config MACH_WLF_CRAGG_6410 bool "Wolfson Cragganmore 6410" + depends on I2C=y select CPU_S3C6410 - select I2C select LEDS_GPIO_REGISTER select S3C64XX_DEV_SPI0 select S3C64XX_SETUP_FB_24BPP diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile index 12f67b61ca5f..17f4b07ec763 100644 --- a/arch/arm/mach-s3c64xx/Makefile +++ b/arch/arm/mach-s3c64xx/Makefile @@ -16,7 +16,8 @@ obj-$(CONFIG_CPU_S3C6410) += s3c6410.o # PM -obj-$(CONFIG_PM) += pm.o irq-pm.o sleep.o +obj-$(CONFIG_PM) += pm.o +obj-$(CONFIG_PM_SLEEP) += irq-pm.o sleep.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o # DMA support diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index 661eb662d051..b7447a92276e 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -209,7 +209,7 @@ static struct platform_device smdk6410_smsc911x = { }; #ifdef CONFIG_REGULATOR -static struct regulator_consumer_supply smdk6410_b_pwr_5v_consumers[] __initdata = { +static struct regulator_consumer_supply smdk6410_b_pwr_5v_consumers[] = { REGULATOR_SUPPLY("PVDD", "0-001b"), REGULATOR_SUPPLY("AVDD", "0-001b"), }; diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c index aaf7bea4032f..75b14e756383 100644 --- a/arch/arm/mach-s3c64xx/pm.c +++ b/arch/arm/mach-s3c64xx/pm.c @@ -194,6 +194,7 @@ void s3c_pm_debug_smdkled(u32 set, u32 clear) } #endif +#ifdef CONFIG_PM_SLEEP static struct sleep_save core_save[] = { SAVE_ITEM(S3C64XX_MEM0DRVCON), SAVE_ITEM(S3C64XX_MEM1DRVCON), @@ -238,6 +239,7 @@ void s3c_pm_save_core(void) s3c_pm_do_save(misc_save, ARRAY_SIZE(misc_save)); s3c_pm_do_save(core_save, ARRAY_SIZE(core_save)); } +#endif /* since both s3c6400 and s3c6410 share the same sleep pm calls, we * put the per-cpu code in here until any new cpu comes along and changes diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h index e17d871b934c..7f415ce74591 100644 --- a/arch/arm/plat-samsung/include/plat/pm.h +++ b/arch/arm/plat-samsung/include/plat/pm.h @@ -43,7 +43,11 @@ extern unsigned long s3c_irqwake_eintmask; /* IRQ masks for IRQs allowed to go to sleep (see irq.c) */ extern unsigned long s3c_irqwake_intallow; +#ifdef CONFIG_PM_SLEEP extern unsigned long s3c_irqwake_eintallow; +#else +#define s3c_irqwake_eintallow 0 +#endif /* per-cpu sleep functions */ @@ -58,16 +62,20 @@ extern unsigned long s3c_pm_flags; extern int s3c2410_cpu_suspend(unsigned long); -#ifdef CONFIG_SAMSUNG_PM +#ifdef CONFIG_PM_SLEEP extern int s3c_irq_wake(struct irq_data *data, unsigned int state); -extern int s3c_irqext_wake(struct irq_data *data, unsigned int state); extern void s3c_cpu_resume(void); #else #define s3c_irq_wake NULL -#define s3c_irqext_wake NULL #define s3c_cpu_resume NULL #endif +#ifdef CONFIG_SAMSUNG_PM +extern int s3c_irqext_wake(struct irq_data *data, unsigned int state); +#else +#define s3c_irqext_wake NULL +#endif + #ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK /** * s3c_pm_debug_smdkled() - Debug PM suspend/resume via SMDK Board LEDs diff --git a/arch/arm/plat-samsung/pm-debug.c b/arch/arm/plat-samsung/pm-debug.c index 39609601f407..64e15da33b42 100644 --- a/arch/arm/plat-samsung/pm-debug.c +++ b/arch/arm/plat-samsung/pm-debug.c @@ -23,6 +23,7 @@ #include <plat/pm-common.h> #ifdef CONFIG_SAMSUNG_ATAGS +#include <plat/pm.h> #include <mach/pm-core.h> #else static inline void s3c_pm_debug_init_uart(void) {} diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c index f8c0f9797dcf..82777c649774 100644 --- a/arch/arm/plat-samsung/pm.c +++ b/arch/arm/plat-samsung/pm.c @@ -65,26 +65,6 @@ int s3c_irqext_wake(struct irq_data *data, unsigned int state) return 0; } -/* s3c2410_pm_show_resume_irqs - * - * print any IRQs asserted at resume time (ie, we woke from) -*/ -static void __maybe_unused s3c_pm_show_resume_irqs(int start, - unsigned long which, - unsigned long mask) -{ - int i; - - which &= ~mask; - - for (i = 0; i <= 31; i++) { - if (which & (1L<<i)) { - S3C_PMDBG("IRQ %d asserted at resume\n", start+i); - } - } -} - - void (*pm_cpu_prep)(void); int (*pm_cpu_sleep)(unsigned long); diff --git a/drivers/bus/omap-ocp2scp.c b/drivers/bus/omap-ocp2scp.c index 723ec06ad2c8..9f1856948758 100644 --- a/drivers/bus/omap-ocp2scp.c +++ b/drivers/bus/omap-ocp2scp.c @@ -16,6 +16,7 @@ * */ +#include <linux/io.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/err.h> @@ -23,6 +24,9 @@ #include <linux/of.h> #include <linux/of_platform.h> +#define OCP2SCP_TIMING 0x18 +#define SYNC2_MASK 0xf + static int ocp2scp_remove_devices(struct device *dev, void *c) { struct platform_device *pdev = to_platform_device(dev); @@ -35,6 +39,9 @@ static int ocp2scp_remove_devices(struct device *dev, void *c) static int omap_ocp2scp_probe(struct platform_device *pdev) { int ret; + u32 reg; + void __iomem *regs; + struct resource *res; struct device_node *np = pdev->dev.of_node; if (np) { @@ -47,6 +54,32 @@ static int omap_ocp2scp_probe(struct platform_device *pdev) } pm_runtime_enable(&pdev->dev); + /* + * As per AM572x TRM: http://www.ti.com/lit/ug/spruhz6/spruhz6.pdf + * under section 26.3.2.2, table 26-26 OCP2SCP TIMING Caution; + * As per OMAP4430 TRM: http://www.ti.com/lit/ug/swpu231ap/swpu231ap.pdf + * under section 23.12.6.2.2 , Table 23-1213 OCP2SCP TIMING Caution; + * As per OMAP4460 TRM: http://www.ti.com/lit/ug/swpu235ab/swpu235ab.pdf + * under section 23.12.6.2.2, Table 23-1213 OCP2SCP TIMING Caution; + * As per OMAP543x TRM http://www.ti.com/lit/pdf/swpu249 + * under section 27.3.2.2, Table 27-27 OCP2SCP TIMING Caution; + * + * Read path of OCP2SCP is not working properly due to low reset value + * of SYNC2 parameter in OCP2SCP. Suggested reset value is 0x6 or more. + */ + if (!of_device_is_compatible(np, "ti,am437x-ocp2scp")) { + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + regs = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(regs)) + goto err0; + + pm_runtime_get_sync(&pdev->dev); + reg = readl_relaxed(regs + OCP2SCP_TIMING); + reg &= ~(SYNC2_MASK); + reg |= 0x6; + writel_relaxed(reg, regs + OCP2SCP_TIMING); + pm_runtime_put_sync(&pdev->dev); + } return 0; @@ -67,6 +100,7 @@ static int omap_ocp2scp_remove(struct platform_device *pdev) #ifdef CONFIG_OF static const struct of_device_id omap_ocp2scp_id_table[] = { { .compatible = "ti,omap-ocp2scp" }, + { .compatible = "ti,am437x-ocp2scp" }, {} }; MODULE_DEVICE_TABLE(of, omap_ocp2scp_id_table); diff --git a/drivers/cpuidle/cpuidle-exynos.c b/drivers/cpuidle/cpuidle-exynos.c index 0c06ea2f50bb..b5f0a9cc8185 100644 --- a/drivers/cpuidle/cpuidle-exynos.c +++ b/drivers/cpuidle/cpuidle-exynos.c @@ -116,7 +116,8 @@ static int exynos_cpuidle_probe(struct platform_device *pdev) { int ret; - if (of_machine_is_compatible("samsung,exynos4210")) { + if (IS_ENABLED(CONFIG_SMP) && + of_machine_is_compatible("samsung,exynos4210")) { exynos_cpuidle_pdata = pdev->dev.platform_data; ret = cpuidle_register(&exynos_coupled_idle_driver, diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 044eb4f89a91..79e86613712f 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -282,7 +282,8 @@ $(obj)/%.dtb.S: $(obj)/%.dtb $(call cmd,dt_S_dtb) quiet_cmd_dtc = DTC $@ -cmd_dtc = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ +cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ + $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 \ -i $(dir $<) $(DTC_FLAGS) \ -d $(depfile).dtc.tmp $(dtc-tmp) ; \ |