diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/boot/dts/am335x-evm.dts | 26 | ||||
-rw-r--r-- | arch/arm/boot/dts/am335x-evmsk.dts | 26 | ||||
-rw-r--r-- | arch/arm/boot/dts/lpc32xx.dtsi | 18 | ||||
-rw-r--r-- | arch/arm/boot/dts/sama5d2-pinfunc.h | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/barrier.h | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/processor.h | 6 | ||||
-rw-r--r-- | arch/arm/include/asm/v7m.h | 2 | ||||
-rw-r--r-- | arch/arm/kernel/entry-header.S | 3 | ||||
-rw-r--r-- | arch/arm/kernel/entry-v7m.S | 4 | ||||
-rw-r--r-- | arch/arm/kernel/machine_kexec.c | 5 | ||||
-rw-r--r-- | arch/arm/kernel/smp.c | 4 | ||||
-rw-r--r-- | arch/arm/lib/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/lib/xor-neon.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-omap2/prm_common.c | 4 | ||||
-rw-r--r-- | arch/arm/mm/proc-v7m.S | 3 |
15 files changed, 83 insertions, 26 deletions
diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index ddd897556e03..478434ebff92 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -57,6 +57,24 @@ enable-active-high; }; + /* TPS79501 */ + v1_8d_reg: fixedregulator-v1_8d { + compatible = "regulator-fixed"; + regulator-name = "v1_8d"; + vin-supply = <&vbat>; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + /* TPS79501 */ + v3_3d_reg: fixedregulator-v3_3d { + compatible = "regulator-fixed"; + regulator-name = "v3_3d"; + vin-supply = <&vbat>; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + matrix_keypad: matrix_keypad0 { compatible = "gpio-matrix-keypad"; debounce-delay-ms = <5>; @@ -492,10 +510,10 @@ status = "okay"; /* Regulators */ - AVDD-supply = <&vaux2_reg>; - IOVDD-supply = <&vaux2_reg>; - DRVDD-supply = <&vaux2_reg>; - DVDD-supply = <&vbat>; + AVDD-supply = <&v3_3d_reg>; + IOVDD-supply = <&v3_3d_reg>; + DRVDD-supply = <&v3_3d_reg>; + DVDD-supply = <&v1_8d_reg>; }; }; diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts index 9ba4b18c0cb2..bbd828892fcb 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -73,6 +73,24 @@ enable-active-high; }; + /* TPS79518 */ + v1_8d_reg: fixedregulator-v1_8d { + compatible = "regulator-fixed"; + regulator-name = "v1_8d"; + vin-supply = <&vbat>; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + /* TPS78633 */ + v3_3d_reg: fixedregulator-v3_3d { + compatible = "regulator-fixed"; + regulator-name = "v3_3d"; + vin-supply = <&vbat>; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + leds { pinctrl-names = "default"; pinctrl-0 = <&user_leds_s0>; @@ -493,10 +511,10 @@ status = "okay"; /* Regulators */ - AVDD-supply = <&vaux2_reg>; - IOVDD-supply = <&vaux2_reg>; - DRVDD-supply = <&vaux2_reg>; - DVDD-supply = <&vbat>; + AVDD-supply = <&v3_3d_reg>; + IOVDD-supply = <&v3_3d_reg>; + DRVDD-supply = <&v3_3d_reg>; + DVDD-supply = <&v1_8d_reg>; }; }; diff --git a/arch/arm/boot/dts/lpc32xx.dtsi b/arch/arm/boot/dts/lpc32xx.dtsi index d81fe433e3c8..f22a33a01819 100644 --- a/arch/arm/boot/dts/lpc32xx.dtsi +++ b/arch/arm/boot/dts/lpc32xx.dtsi @@ -230,7 +230,7 @@ status = "disabled"; }; - i2s1: i2s@2009C000 { + i2s1: i2s@2009c000 { compatible = "nxp,lpc3220-i2s"; reg = <0x2009C000 0x1000>; }; @@ -273,7 +273,7 @@ status = "disabled"; }; - i2c1: i2c@400A0000 { + i2c1: i2c@400a0000 { compatible = "nxp,pnx-i2c"; reg = <0x400A0000 0x100>; interrupt-parent = <&sic1>; @@ -284,7 +284,7 @@ clocks = <&clk LPC32XX_CLK_I2C1>; }; - i2c2: i2c@400A8000 { + i2c2: i2c@400a8000 { compatible = "nxp,pnx-i2c"; reg = <0x400A8000 0x100>; interrupt-parent = <&sic1>; @@ -295,7 +295,7 @@ clocks = <&clk LPC32XX_CLK_I2C2>; }; - mpwm: mpwm@400E8000 { + mpwm: mpwm@400e8000 { compatible = "nxp,lpc3220-motor-pwm"; reg = <0x400E8000 0x78>; status = "disabled"; @@ -394,7 +394,7 @@ #gpio-cells = <3>; /* bank, pin, flags */ }; - timer4: timer@4002C000 { + timer4: timer@4002c000 { compatible = "nxp,lpc3220-timer"; reg = <0x4002C000 0x1000>; interrupts = <3 IRQ_TYPE_LEVEL_LOW>; @@ -412,7 +412,7 @@ status = "disabled"; }; - watchdog: watchdog@4003C000 { + watchdog: watchdog@4003c000 { compatible = "nxp,pnx4008-wdt"; reg = <0x4003C000 0x1000>; clocks = <&clk LPC32XX_CLK_WDOG>; @@ -451,7 +451,7 @@ status = "disabled"; }; - timer1: timer@4004C000 { + timer1: timer@4004c000 { compatible = "nxp,lpc3220-timer"; reg = <0x4004C000 0x1000>; interrupts = <17 IRQ_TYPE_LEVEL_LOW>; @@ -475,7 +475,7 @@ status = "disabled"; }; - pwm1: pwm@4005C000 { + pwm1: pwm@4005c000 { compatible = "nxp,lpc3220-pwm"; reg = <0x4005C000 0x4>; clocks = <&clk LPC32XX_CLK_PWM1>; @@ -484,7 +484,7 @@ status = "disabled"; }; - pwm2: pwm@4005C004 { + pwm2: pwm@4005c004 { compatible = "nxp,lpc3220-pwm"; reg = <0x4005C004 0x4>; clocks = <&clk LPC32XX_CLK_PWM2>; diff --git a/arch/arm/boot/dts/sama5d2-pinfunc.h b/arch/arm/boot/dts/sama5d2-pinfunc.h index e57191fb83de..9daa6dfd71e0 100644 --- a/arch/arm/boot/dts/sama5d2-pinfunc.h +++ b/arch/arm/boot/dts/sama5d2-pinfunc.h @@ -518,7 +518,7 @@ #define PIN_PC9__GPIO PINMUX_PIN(PIN_PC9, 0, 0) #define PIN_PC9__FIQ PINMUX_PIN(PIN_PC9, 1, 3) #define PIN_PC9__GTSUCOMP PINMUX_PIN(PIN_PC9, 2, 1) -#define PIN_PC9__ISC_D0 PINMUX_PIN(PIN_PC9, 2, 1) +#define PIN_PC9__ISC_D0 PINMUX_PIN(PIN_PC9, 3, 1) #define PIN_PC9__TIOA4 PINMUX_PIN(PIN_PC9, 4, 2) #define PIN_PC10 74 #define PIN_PC10__GPIO PINMUX_PIN(PIN_PC10, 0, 0) diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h index 69772e742a0a..83ae97c049d9 100644 --- a/arch/arm/include/asm/barrier.h +++ b/arch/arm/include/asm/barrier.h @@ -11,6 +11,8 @@ #define sev() __asm__ __volatile__ ("sev" : : : "memory") #define wfe() __asm__ __volatile__ ("wfe" : : : "memory") #define wfi() __asm__ __volatile__ ("wfi" : : : "memory") +#else +#define wfe() do { } while (0) #endif #if __LINUX_ARM_ARCH__ >= 7 diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h index c3d5fc124a05..768b6fe7640e 100644 --- a/arch/arm/include/asm/processor.h +++ b/arch/arm/include/asm/processor.h @@ -77,7 +77,11 @@ extern void release_thread(struct task_struct *); unsigned long get_wchan(struct task_struct *p); #if __LINUX_ARM_ARCH__ == 6 || defined(CONFIG_ARM_ERRATA_754327) -#define cpu_relax() smp_mb() +#define cpu_relax() \ + do { \ + smp_mb(); \ + __asm__ __volatile__("nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"); \ + } while (0) #else #define cpu_relax() barrier() #endif diff --git a/arch/arm/include/asm/v7m.h b/arch/arm/include/asm/v7m.h index e6d9e29fcae4..6416fd3a3894 100644 --- a/arch/arm/include/asm/v7m.h +++ b/arch/arm/include/asm/v7m.h @@ -49,7 +49,7 @@ * (0 -> msp; 1 -> psp). Bits [1:0] are fixed to 0b01. */ #define EXC_RET_STACK_MASK 0x00000004 -#define EXC_RET_THREADMODE_PROCESSSTACK 0xfffffffd +#define EXC_RET_THREADMODE_PROCESSSTACK (3 << 2) /* Cache related definitions */ diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index 773424843d6e..62db1c9746cb 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S @@ -127,7 +127,8 @@ */ .macro v7m_exception_slow_exit ret_r0 cpsid i - ldr lr, =EXC_RET_THREADMODE_PROCESSSTACK + ldr lr, =exc_ret + ldr lr, [lr] @ read original r12, sp, lr, pc and xPSR add r12, sp, #S_IP diff --git a/arch/arm/kernel/entry-v7m.S b/arch/arm/kernel/entry-v7m.S index abcf47848525..19d2dcd6530d 100644 --- a/arch/arm/kernel/entry-v7m.S +++ b/arch/arm/kernel/entry-v7m.S @@ -146,3 +146,7 @@ ENTRY(vector_table) .rept CONFIG_CPU_V7M_NUM_IRQ .long __irq_entry @ External Interrupts .endr + .align 2 + .globl exc_ret +exc_ret: + .space 4 diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index c15318431986..6f77f52baf02 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -91,8 +91,11 @@ void machine_crash_nonpanic_core(void *unused) set_cpu_online(smp_processor_id(), false); atomic_dec(&waiting_for_crash_ipi); - while (1) + + while (1) { cpu_relax(); + wfe(); + } } void crash_smp_send_stop(void) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 955b76f19d97..e7036382c749 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -601,8 +601,10 @@ static void ipi_cpu_stop(unsigned int cpu) local_fiq_disable(); local_irq_disable(); - while (1) + while (1) { cpu_relax(); + wfe(); + } } static DEFINE_PER_CPU(struct completion *, cpu_completion); diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index 4cb0b9624d8f..4cf026f3f00d 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -39,7 +39,7 @@ $(obj)/csumpartialcopy.o: $(obj)/csumpartialcopygeneric.S $(obj)/csumpartialcopyuser.o: $(obj)/csumpartialcopygeneric.S ifeq ($(CONFIG_KERNEL_MODE_NEON),y) - NEON_FLAGS := -mfloat-abi=softfp -mfpu=neon + NEON_FLAGS := -march=armv7-a -mfloat-abi=softfp -mfpu=neon CFLAGS_xor-neon.o += $(NEON_FLAGS) obj-$(CONFIG_XOR_BLOCKS) += xor-neon.o endif diff --git a/arch/arm/lib/xor-neon.c b/arch/arm/lib/xor-neon.c index 2c40aeab3eaa..c691b901092f 100644 --- a/arch/arm/lib/xor-neon.c +++ b/arch/arm/lib/xor-neon.c @@ -14,7 +14,7 @@ MODULE_LICENSE("GPL"); #ifndef __ARM_NEON__ -#error You should compile this file with '-mfloat-abi=softfp -mfpu=neon' +#error You should compile this file with '-march=armv7-a -mfloat-abi=softfp -mfpu=neon' #endif /* diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c index 09180a59b1c9..2f215facba10 100644 --- a/arch/arm/mach-omap2/prm_common.c +++ b/arch/arm/mach-omap2/prm_common.c @@ -528,8 +528,10 @@ void omap_prm_reset_system(void) prm_ll_data->reset_system(); - while (1) + while (1) { cpu_relax(); + wfe(); + } } /** diff --git a/arch/arm/mm/proc-v7m.S b/arch/arm/mm/proc-v7m.S index 47a5acc64433..92e84181933a 100644 --- a/arch/arm/mm/proc-v7m.S +++ b/arch/arm/mm/proc-v7m.S @@ -139,6 +139,9 @@ __v7m_setup_cont: cpsie i svc #0 1: cpsid i + ldr r0, =exc_ret + orr lr, lr, #EXC_RET_THREADMODE_PROCESSSTACK + str lr, [r0] ldmia sp, {r0-r3, r12} str r5, [r12, #11 * 4] @ restore the original SVC vector entry mov lr, r6 @ restore LR |