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/Linux-v6.1/arch/powerpc/platforms/powermac/
Dsmp.c67 static u64 timebase; variable
298 /* No sure how timebase sync works on those, let's use SW */ in smp_psurge_probe()
359 * We can't use udelay here because the timebase is now frozen. in smp_psurge_kick_cpu()
366 * Also, because the timebase is frozen, we must not return to the in smp_psurge_kick_cpu()
384 timebase = get_tb(); in smp_psurge_kick_cpu()
386 while (timebase) in smp_psurge_kick_cpu()
423 while (!timebase) in smp_psurge_take_timebase()
426 set_tb(timebase >> 32, timebase & 0xffffffff); in smp_psurge_take_timebase()
427 timebase = 0; in smp_psurge_take_timebase()
466 timebase = get_tb(); in smp_core99_give_timebase()
[all …]
/Linux-v6.1/arch/powerpc/boot/
Dpq2.c29 u32 *timebase, u32 *brgfreq) in pq2_get_clocks() argument
55 if (timebase) in pq2_get_clocks()
56 *timebase = busclk / 4; in pq2_get_clocks()
75 void pq2_set_clocks(u32 sysfreq, u32 corefreq, u32 timebase, u32 brgfreq) in pq2_set_clocks() argument
79 dt_fixup_cpu_clocks(corefreq, timebase, sysfreq); in pq2_set_clocks()
92 u32 sysfreq, corefreq, timebase, brgfreq; in pq2_fixup_clocks() local
94 if (!pq2_get_clocks(crystal, &sysfreq, &corefreq, &timebase, &brgfreq)) in pq2_fixup_clocks()
97 pq2_set_clocks(sysfreq, corefreq, timebase, brgfreq); in pq2_fixup_clocks()
Dsimpleboot.c28 const u32 *na, *ns, *reg, *timebase; in platform_init() local
68 /* finally, setup the timebase */ in platform_init()
73 timebase = fdt_getprop(_dtb_start, node, "timebase-frequency", &size); in platform_init()
74 if (timebase && (size == 4)) in platform_init()
75 timebase_period_ns = 1000000000 / *timebase; in platform_init()
Dtreeboot-currituck.c85 const u32 *timebase; in platform_init() local
107 timebase = fdt_getprop(_dtb_start, node, "timebase-frequency", &size); in platform_init()
108 if (timebase && (size == 4)) in platform_init()
109 timebase_period_ns = 1000000000 / *timebase; in platform_init()
Dtreeboot-akebono.c98 const u32 *timebase; in platform_init() local
151 timebase = fdt_getprop(_dtb_start, node, "timebase-frequency", &size); in platform_init()
152 if (timebase && (size == 4)) in platform_init()
153 timebase_period_ns = 1000000000 / *timebase; in platform_init()
Dpq2.h8 u32 *timebase, u32 *brgfreq);
9 void pq2_set_clocks(u32 sysfreq, u32 corefreq, u32 timebase, u32 brgfreq);
/Linux-v6.1/drivers/pwm/
Dpwm-img.c43 * PWM period is specified with a timebase register,
45 * specified in step periods, in the [0, $timebase] range.
46 * In other words, the timebase imposes the duty cycle
47 * resolution. Therefore, let's constraint the timebase to
49 * Imposing a minimum timebase, will impose a maximum PWM frequency.
94 u32 val, div, duty, timebase; in img_pwm_config() local
112 timebase = DIV_ROUND_UP(mul, 1); in img_pwm_config()
115 timebase = DIV_ROUND_UP(mul, 8); in img_pwm_config()
118 timebase = DIV_ROUND_UP(mul, 64); in img_pwm_config()
121 timebase = DIV_ROUND_UP(mul, 512); in img_pwm_config()
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/Linux-v6.1/Documentation/devicetree/bindings/watchdog/
Dxlnx,xps-timebase-wdt.yaml4 $id: http://devicetree.org/schemas/watchdog/xlnx,xps-timebase-wdt.yaml#
14 The Timebase watchdog timer(WDT) is a free-running 32 bit counter.
27 - xlnx,xps-timebase-wdt-1.01.a
28 - xlnx,xps-timebase-wdt-1.00.a
61 compatible = "xlnx,xps-timebase-wdt-1.00.a";
/Linux-v6.1/arch/powerpc/platforms/85xx/
Dsmp.c43 static u64 timebase; variable
62 * that will reread the timebase until TBL is non-zero. in mpc85xx_give_timebase()
63 * That would be a bad thing when the timebase is frozen. in mpc85xx_give_timebase()
73 asm volatile("mfspr %0, %1" : "=r" (timebase) : in mpc85xx_give_timebase()
77 prev = timebase; in mpc85xx_give_timebase()
78 asm volatile("mfspr %0, %1" : "=r" (timebase) : in mpc85xx_give_timebase()
80 } while (prev != timebase); in mpc85xx_give_timebase()
83 timebase = get_tb(); in mpc85xx_give_timebase()
107 set_tb(timebase >> 32, timebase & 0xffffffff); in mpc85xx_take_timebase()
/Linux-v6.1/drivers/leds/
Dleds-asic3.c17 * Hence we turn the LEDs on/off via the TimeBase register.
21 * When TimeBase is 4 the clock resolution is about 32Hz.
42 u32 timebase; in brightness_set() local
45 timebase = (value == LED_OFF) ? 0 : (LED_EN|0x4); in brightness_set()
51 asic3_write_register(asic, (base + ASIC3_LED_TimeBase), timebase); in brightness_set()
/Linux-v6.1/arch/powerpc/include/asm/
Dvdso_datapage.h63 __u64 tb_orig_stamp; /* (NU) Timebase at boot 0x30 */
64 __u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */
67 __u64 tb_update_count; /* (NU) Timebase atomicity ctr 0x50 */
94 __u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */
Dimc-pmu.h64 * DW 0 : Timebase
71 * DW 7 : Timebase
97 * Macro to mask bits 0:21 of first double word(which is the timebase) to
98 * compare with 8th double word (timebase) of trace imc record data.
Dtime.h18 #include <asm/vdso/timebase.h>
32 /* Some sane defaults: 125 MHz timebase, 1GHz processor */
114 /* Convert timebase ticks to nanoseconds */
/Linux-v6.1/arch/powerpc/kvm/
Dbook3s_hv_ras.c152 * the timebase or do any of the complicated dance that the P7/8 in kvmppc_p9_realmode_hmi_handler()
244 * Timebase (TB) error. If this HMI is due to TB error, then TB would
246 * restore the TB value with host timebase value. For HMI caused due
251 * about the content of TB register whether it holds guest or host timebase
254 * restore TB to host timebase.
303 * Returns 1 if the timebase offset should be applied, 0 if not.
370 * to subtract the previous timebase offset from the timebase. in kvmppc_realmode_hmi_handler()
Demulate.c46 * The decrementer ticks at the same rate as the timebase, so in kvmppc_emulate_dec()
53 * Guest timebase ticks at the same frequency as host timebase. in kvmppc_emulate_dec()
54 * So use the host timebase calculations for decrementer emulation. in kvmppc_emulate_dec()
88 /* XXX We need to context-switch the timebase for in kvmppc_emulate_mtspr()
/Linux-v6.1/arch/powerpc/boot/dts/
Diss4xx-mpic.dts39 timebase-frequency = <100000000>;
53 timebase-frequency = <100000000>;
69 timebase-frequency = <100000000>;
85 timebase-frequency = <100000000>;
Dps3.dts33 * dtc expects a clock-frequency and timebase-frequency entries, so
51 timebase-frequency = <0>;
/Linux-v6.1/arch/powerpc/platforms/pasemi/
Dsetup.c100 static unsigned long timebase; variable
111 timebase = get_tb(); in pas_give_timebase()
114 while (timebase) in pas_give_timebase()
122 while (!timebase) in pas_take_timebase()
126 set_tb(timebase >> 32, timebase & 0xffffffff); in pas_take_timebase()
127 timebase = 0; in pas_take_timebase()
/Linux-v6.1/arch/powerpc/kernel/
Dtime.c20 * - improve precision and reproducibility of timebase frequency
82 .name = "timebase",
154 * Factor for converting from cputime_t (timebase ticks) to
170 * or if that doesn't exist return the timebase value passed in.
204 * and user time (udelta) values obtained from the timebase in vtime_delta_scaled()
650 * timebase into the VTB when it takes a guest off the CPU, reading the in running_clock()
676 /* The cpu node should have timebase and clock frequency properties */ in get_freq()
715 if (!get_freq("ibm,extended-timebase-frequency", 2, &ppc_tb_freq) && in generic_calibrate_decr()
716 !get_freq("timebase-frequency", 1, &ppc_tb_freq)) { in generic_calibrate_decr()
907 /* Normal PowerPC with timebase register */ in time_init()
[all …]
/Linux-v6.1/drivers/platform/chrome/
Dcros_ec_sensorhub_ring.c169 * we have to calculate it's timestamp in the AP timebase. There are 3 time
171 * a - EC timebase, sensor event
172 * b - EC timebase, IRQ
173 * c - AP timebase, IRQ
174 * a' - what we want: sensor even in AP timebase
218 * @b: IRQ timestamp, EC timebase (us)
219 * @c: IRQ timestamp, AP timebase (ns)
301 * cros_ec_sensor_ring_ts_filter() - Translate EC timebase timestamp to AP
302 * timebase
307 * cros_ec_sensor_ring_ts_filter(a) => a' event timestamp, AP timebase
[all …]
/Linux-v6.1/arch/powerpc/platforms/8xx/
Dm8xx_setup.c60 /* The cpu node should have timebase and clock frequency properties */ in get_freq()
111 /* Perform some more timer/timebase initialization. This used in mpc8xx_calibrate_decr()
137 /* Enabling the decrementer also enables the timebase interrupts in mpc8xx_calibrate_decr()
139 * we have to enable the timebase). The decrementer interrupt in mpc8xx_calibrate_decr()
/Linux-v6.1/arch/riscv/kernel/
Dtime.c23 if (!cpu || of_property_read_u32(cpu, "timebase-frequency", &prop)) in time_init()
24 panic(KERN_WARNING "RISC-V system with no 'timebase-frequency' in DTS\n"); in time_init()
/Linux-v6.1/arch/powerpc/boot/dts/fsl/
Dmpc8641si-pre.dtsi37 timebase-frequency = <0>;
49 timebase-frequency = <0>;
/Linux-v6.1/Documentation/devicetree/bindings/riscv/
Dcpus.yaml85 # RISC-V requires 'timebase-frequency' in /cpus, so disallow it here
86 timebase-frequency: false
126 timebase-frequency = <1000000>;
/Linux-v6.1/Documentation/devicetree/bindings/powerpc/opal/
Dpower-mgt.txt15 extent of state-loss, whether timebase is stopped on this
45 0x00000002 /* Needs timebase restore */
54 /* timebase (POWER8) */

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