1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
142 #define	PMC_LOCK(_sc)		mtx_lock(&(_sc)->mtx)
143 #define	PMC_UNLOCK(_sc)		mtx_unlock(&(_sc)->mtx)
144 #define	PMC_LOCK_INIT(_sc)	mtx_init(&(_sc)->mtx, 			\
145 	    device_get_nameunit(_sc->dev), "tegra210_pmc", MTX_DEF)
146 #define	PMC_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->mtx);
147 #define	PMC_ASSERT_LOCKED(_sc)	mtx_assert(&(_sc)->mtx, MA_OWNED);
148 #define	PMC_ASSERT_UNLOCKED(_sc) mtx_assert(&(_sc)->mtx, MA_NOTOWNED);
173 	{"nvidia,tegra210-pmc",		1},
192 	if (sc->secure_access) {  in WR4()
195 			device_printf(sc->dev," PMC SMC write failed: %lu\n",  in WR4()
199 	bus_write_4(sc->mem_res, r, v);  in WR4()
207 	if (sc->secure_access) {  in RD4()
210 			device_printf(sc->dev," PMC SMC write failed: %lu\n",  in RD4()
215 	return(bus_read_4(sc->mem_res, r));  in RD4()
233 	for (i = 100; i > 0; i--) {  in tegra210_pmc_set_powergate()
240 		device_printf(sc->dev,  in tegra210_pmc_set_powergate()
246 	for (i = 100; i > 0; i--) {  in tegra210_pmc_set_powergate()
253 		device_printf(sc->dev,  in tegra210_pmc_set_powergate()
286 	for (i = 100; i > 0; i--) {  in tegra_powergate_remove_clamping()
293 		device_printf(sc->dev, "Timeout when remove clamping\n");  in tegra_powergate_remove_clamping()
324 		device_printf(sc->dev, "Cannot set powergate: %d\n", id);  in tegra_powergate_power_on()
328 	for (i = 100; i > 0; i--) {  in tegra_powergate_power_on()
334 		device_printf(sc->dev, "Timeout when waiting on power up\n");  in tegra_powergate_power_on()
351 		device_printf(sc->dev, "Cannot set powergate: %d\n", id);  in tegra_powergate_power_off()
354 	for (i = 100; i > 0; i--) {  in tegra_powergate_power_off()
360 		device_printf(sc->dev, "Timeout when waiting on power off\n");  in tegra_powergate_power_off()
376 		device_printf(sc->dev, "Cannot assert reset\n");  in tegra_powergate_sequence_power_up()
382 		device_printf(sc->dev, "Cannot stop clock\n");  in tegra_powergate_sequence_power_up()
388 		device_printf(sc->dev, "Cannot power on powergate\n");  in tegra_powergate_sequence_power_up()
394 		device_printf(sc->dev, "Cannot enable clock\n");  in tegra_powergate_sequence_power_up()
401 		device_printf(sc->dev, "Cannot remove clamping\n");  in tegra_powergate_sequence_power_up()
406 		device_printf(sc->dev, "Cannot unreset reset\n");  in tegra_powergate_sequence_power_up()
426 	rv = OF_getencprop(node, "nvidia,suspend-mode", &tmp, sizeof(tmp));  in tegra210_pmc_parse_fdt()
430 			sc->suspend_mode = TEGRA_SUSPEND_LP0;  in tegra210_pmc_parse_fdt()
434 			sc->suspend_mode = TEGRA_SUSPEND_LP1;  in tegra210_pmc_parse_fdt()
438 			sc->suspend_mode = TEGRA_SUSPEND_LP2;  in tegra210_pmc_parse_fdt()
442 			sc->suspend_mode = TEGRA_SUSPEND_NONE;  in tegra210_pmc_parse_fdt()
447 	rv = OF_getencprop(node, "nvidia,cpu-pwr-good-time", &tmp, sizeof(tmp));  in tegra210_pmc_parse_fdt()
449 		sc->cpu_good_time = tmp;  in tegra210_pmc_parse_fdt()
450 		sc->suspend_mode = TEGRA_SUSPEND_NONE;  in tegra210_pmc_parse_fdt()
453 	rv = OF_getencprop(node, "nvidia,cpu-pwr-off-time", &tmp, sizeof(tmp));  in tegra210_pmc_parse_fdt()
455 		sc->cpu_off_time = tmp;  in tegra210_pmc_parse_fdt()
456 		sc->suspend_mode = TEGRA_SUSPEND_NONE;  in tegra210_pmc_parse_fdt()
459 	rv = OF_getencprop(node, "nvidia,core-pwr-good-time", tmparr,  in tegra210_pmc_parse_fdt()
462 		sc->core_osc_time = tmparr[0];  in tegra210_pmc_parse_fdt()
463 		sc->core_pmu_time = tmparr[1];  in tegra210_pmc_parse_fdt()
464 		sc->suspend_mode = TEGRA_SUSPEND_NONE;  in tegra210_pmc_parse_fdt()
467 	rv = OF_getencprop(node, "nvidia,core-pwr-off-time", &tmp, sizeof(tmp));  in tegra210_pmc_parse_fdt()
469 		sc->core_off_time = tmp;  in tegra210_pmc_parse_fdt()
470 		sc->suspend_mode = TEGRA_SUSPEND_NONE;  in tegra210_pmc_parse_fdt()
473 	sc->corereq_high =  in tegra210_pmc_parse_fdt()
474 	    OF_hasprop(node, "nvidia,core-power-req-active-high");  in tegra210_pmc_parse_fdt()
475 	sc->sysclkreq_high =  in tegra210_pmc_parse_fdt()
476 	    OF_hasprop(node, "nvidia,sys-clock-req-active-high");  in tegra210_pmc_parse_fdt()
477 	sc->combined_req =  in tegra210_pmc_parse_fdt()
478 	    OF_hasprop(node, "nvidia,combined-power-req");  in tegra210_pmc_parse_fdt()
479 	sc->cpu_pwr_good_en =  in tegra210_pmc_parse_fdt()
480 	    OF_hasprop(node, "nvidia,cpu-pwr-good-en");  in tegra210_pmc_parse_fdt()
482 	rv = OF_getencprop(node, "nvidia,lp0-vec", tmparr, sizeof(tmparr));  in tegra210_pmc_parse_fdt()
485 		sc->lp0_vec_phys = tmparr[0];  in tegra210_pmc_parse_fdt()
486 		sc->core_pmu_time = tmparr[1];  in tegra210_pmc_parse_fdt()
487 		sc->lp0_vec_size = TEGRA_SUSPEND_NONE;  in tegra210_pmc_parse_fdt()
488 		if (sc->suspend_mode == TEGRA_SUSPEND_LP0)  in tegra210_pmc_parse_fdt()
489 			sc->suspend_mode = TEGRA_SUSPEND_LP1;  in tegra210_pmc_parse_fdt()
499 	sc->secure_access = false;  in tegra210_pmc_check_secure()
508 		sc->secure_access = true;  in tegra210_pmc_check_secure()
513 		sc->secure_access = true;  in tegra210_pmc_check_secure()
526 	if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data)  in tegra210_pmc_probe()
550 	sc->dev = dev;  in tegra210_pmc_attach()
556 		device_printf(sc->dev, "Cannot parse FDT data\n");  in tegra210_pmc_attach()
560 	rv = clk_get_by_ofw_name(sc->dev, 0, "pclk", &sc->clk);  in tegra210_pmc_attach()
562 		device_printf(sc->dev, "Cannot get \"pclk\" clock\n");  in tegra210_pmc_attach()
567 	sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,  in tegra210_pmc_attach()
569 	if (sc->mem_res == NULL) {  in tegra210_pmc_attach()
576 	/* Enable CPU power request. */  in tegra210_pmc_attach()
583 	if (sc->sysclkreq_high)  in tegra210_pmc_attach()
595 	 * Remove HDMI from deep power down mode.  in tegra210_pmc_attach()