14ad7e9b0SAdrian Chadd /*- 2f4a3eb02SAdrian Chadd * Copyright (c) 2015-2016 Landon Fuller <landon@landonf.org> 3f4a3eb02SAdrian Chadd * Copyright (c) 2016 Michael Zhilin <mizhka@gmail.com> 48e35bf83SLandon J. Fuller * Copyright (c) 2017 The FreeBSD Foundation 54ad7e9b0SAdrian Chadd * All rights reserved. 64ad7e9b0SAdrian Chadd * 74e96bf3aSLandon J. Fuller * Portions of this software were developed by Landon Fuller 84e96bf3aSLandon J. Fuller * under sponsorship from the FreeBSD Foundation. 98e35bf83SLandon J. Fuller * 104ad7e9b0SAdrian Chadd * Redistribution and use in source and binary forms, with or without 114ad7e9b0SAdrian Chadd * modification, are permitted provided that the following conditions 124ad7e9b0SAdrian Chadd * are met: 134ad7e9b0SAdrian Chadd * 1. Redistributions of source code must retain the above copyright 144ad7e9b0SAdrian Chadd * notice, this list of conditions and the following disclaimer, 154ad7e9b0SAdrian Chadd * without modification. 164ad7e9b0SAdrian Chadd * 2. Redistributions in binary form must reproduce at minimum a disclaimer 174ad7e9b0SAdrian Chadd * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 184ad7e9b0SAdrian Chadd * redistribution must be conditioned upon including a substantially 194ad7e9b0SAdrian Chadd * similar Disclaimer requirement for further binary redistribution. 204ad7e9b0SAdrian Chadd * 214ad7e9b0SAdrian Chadd * NO WARRANTY 224ad7e9b0SAdrian Chadd * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 234ad7e9b0SAdrian Chadd * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 244ad7e9b0SAdrian Chadd * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 254ad7e9b0SAdrian Chadd * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 264ad7e9b0SAdrian Chadd * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 274ad7e9b0SAdrian Chadd * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 284ad7e9b0SAdrian Chadd * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 294ad7e9b0SAdrian Chadd * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 304ad7e9b0SAdrian Chadd * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 314ad7e9b0SAdrian Chadd * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 324ad7e9b0SAdrian Chadd * THE POSSIBILITY OF SUCH DAMAGES. 334ad7e9b0SAdrian Chadd */ 344ad7e9b0SAdrian Chadd 354ad7e9b0SAdrian Chadd #include <sys/cdefs.h> 364ad7e9b0SAdrian Chadd __FBSDID("$FreeBSD$"); 374ad7e9b0SAdrian Chadd 384ad7e9b0SAdrian Chadd /* 394ad7e9b0SAdrian Chadd * Broadcom ChipCommon driver. 404ad7e9b0SAdrian Chadd * 414ad7e9b0SAdrian Chadd * With the exception of some very early chipsets, the ChipCommon core 424ad7e9b0SAdrian Chadd * has been included in all HND SoCs and chipsets based on the siba(4) 434ad7e9b0SAdrian Chadd * and bcma(4) interconnects, providing a common interface to chipset 440c91e892SLandon J. Fuller * identification, bus enumeration, UARTs, clocks, watchdog interrupts, 450c91e892SLandon J. Fuller * GPIO, flash, etc. 464ad7e9b0SAdrian Chadd */ 474ad7e9b0SAdrian Chadd 484ad7e9b0SAdrian Chadd #include <sys/param.h> 494ad7e9b0SAdrian Chadd #include <sys/kernel.h> 50f4a3eb02SAdrian Chadd #include <sys/lock.h> 514ad7e9b0SAdrian Chadd #include <sys/bus.h> 52e129bcd6SLandon J. Fuller #include <sys/rman.h> 53f4a3eb02SAdrian Chadd #include <sys/malloc.h> 544ad7e9b0SAdrian Chadd #include <sys/module.h> 55f4a3eb02SAdrian Chadd #include <sys/mutex.h> 564ad7e9b0SAdrian Chadd #include <sys/systm.h> 574ad7e9b0SAdrian Chadd 584ad7e9b0SAdrian Chadd #include <machine/bus.h> 594ad7e9b0SAdrian Chadd #include <machine/resource.h> 604ad7e9b0SAdrian Chadd 614ad7e9b0SAdrian Chadd #include <dev/bhnd/bhnd.h> 62f4a3eb02SAdrian Chadd #include <dev/bhnd/bhndvar.h> 63e83ce340SAdrian Chadd 644ad7e9b0SAdrian Chadd #include "chipcreg.h" 654ad7e9b0SAdrian Chadd #include "chipcvar.h" 660c91e892SLandon J. Fuller 67f4a3eb02SAdrian Chadd #include "chipc_private.h" 684ad7e9b0SAdrian Chadd 694ad7e9b0SAdrian Chadd devclass_t bhnd_chipc_devclass; /**< bhnd(4) chipcommon device class */ 704ad7e9b0SAdrian Chadd 7136e4410aSAdrian Chadd static struct bhnd_device_quirk chipc_quirks[]; 7236e4410aSAdrian Chadd 734ad7e9b0SAdrian Chadd /* Supported device identifiers */ 7436e4410aSAdrian Chadd static const struct bhnd_device chipc_devices[] = { 75b0b9c854SLandon J. Fuller BHND_DEVICE(BCM, CC, NULL, chipc_quirks), 764cb7084eSLandon J. Fuller BHND_DEVICE(BCM, 4706_CC, NULL, chipc_quirks), 7736e4410aSAdrian Chadd BHND_DEVICE_END 784ad7e9b0SAdrian Chadd }; 794ad7e9b0SAdrian Chadd 8036e4410aSAdrian Chadd 814ad7e9b0SAdrian Chadd /* Device quirks table */ 824ad7e9b0SAdrian Chadd static struct bhnd_device_quirk chipc_quirks[] = { 8356a4cdd1SLandon J. Fuller /* HND OTP controller revisions */ 8456a4cdd1SLandon J. Fuller BHND_CORE_QUIRK (HWREV_EQ (12), CHIPC_QUIRK_OTP_HND), /* (?) */ 8556a4cdd1SLandon J. Fuller BHND_CORE_QUIRK (HWREV_EQ (17), CHIPC_QUIRK_OTP_HND), /* BCM4311 */ 8656a4cdd1SLandon J. Fuller BHND_CORE_QUIRK (HWREV_EQ (22), CHIPC_QUIRK_OTP_HND), /* BCM4312 */ 8756a4cdd1SLandon J. Fuller 8856a4cdd1SLandon J. Fuller /* IPX OTP controller revisions */ 8956a4cdd1SLandon J. Fuller BHND_CORE_QUIRK (HWREV_EQ (21), CHIPC_QUIRK_OTP_IPX), 9056a4cdd1SLandon J. Fuller BHND_CORE_QUIRK (HWREV_GTE(23), CHIPC_QUIRK_OTP_IPX), 9156a4cdd1SLandon J. Fuller 925ad9ac03SAdrian Chadd BHND_CORE_QUIRK (HWREV_GTE(32), CHIPC_QUIRK_SUPPORTS_SPROM), 935ad9ac03SAdrian Chadd BHND_CORE_QUIRK (HWREV_GTE(35), CHIPC_QUIRK_SUPPORTS_CAP_EXT), 9456a4cdd1SLandon J. Fuller BHND_CORE_QUIRK (HWREV_GTE(49), CHIPC_QUIRK_IPX_OTPL_SIZE), 955ad9ac03SAdrian Chadd 965ad9ac03SAdrian Chadd /* 4706 variant quirks */ 975ad9ac03SAdrian Chadd BHND_CORE_QUIRK (HWREV_EQ (38), CHIPC_QUIRK_4706_NFLASH), /* BCM5357? */ 985ad9ac03SAdrian Chadd BHND_CHIP_QUIRK (4706, HWREV_ANY, CHIPC_QUIRK_4706_NFLASH), 995ad9ac03SAdrian Chadd 1005ad9ac03SAdrian Chadd /* 4331 quirks*/ 1015ad9ac03SAdrian Chadd BHND_CHIP_QUIRK (4331, HWREV_ANY, CHIPC_QUIRK_4331_EXTPA_MUX_SPROM), 1025ad9ac03SAdrian Chadd BHND_PKG_QUIRK (4331, TN, CHIPC_QUIRK_4331_GPIO2_5_MUX_SPROM), 1035ad9ac03SAdrian Chadd BHND_PKG_QUIRK (4331, TNA0, CHIPC_QUIRK_4331_GPIO2_5_MUX_SPROM), 1045ad9ac03SAdrian Chadd BHND_PKG_QUIRK (4331, TT, CHIPC_QUIRK_4331_EXTPA2_MUX_SPROM), 1055ad9ac03SAdrian Chadd 1065ad9ac03SAdrian Chadd /* 4360 quirks */ 1075ad9ac03SAdrian Chadd BHND_CHIP_QUIRK (4352, HWREV_LTE(2), CHIPC_QUIRK_4360_FEM_MUX_SPROM), 1085ad9ac03SAdrian Chadd BHND_CHIP_QUIRK (43460, HWREV_LTE(2), CHIPC_QUIRK_4360_FEM_MUX_SPROM), 1095ad9ac03SAdrian Chadd BHND_CHIP_QUIRK (43462, HWREV_LTE(2), CHIPC_QUIRK_4360_FEM_MUX_SPROM), 1105ad9ac03SAdrian Chadd BHND_CHIP_QUIRK (43602, HWREV_LTE(2), CHIPC_QUIRK_4360_FEM_MUX_SPROM), 111f4a3eb02SAdrian Chadd 11236e4410aSAdrian Chadd BHND_DEVICE_QUIRK_END 1134ad7e9b0SAdrian Chadd }; 1144ad7e9b0SAdrian Chadd 1150c91e892SLandon J. Fuller static int chipc_add_children(struct chipc_softc *sc); 116f4a3eb02SAdrian Chadd 11756a4cdd1SLandon J. Fuller static bhnd_nvram_src chipc_find_nvram_src(struct chipc_softc *sc, 11856a4cdd1SLandon J. Fuller struct chipc_caps *caps); 119f4a3eb02SAdrian Chadd static int chipc_read_caps(struct chipc_softc *sc, 120f4a3eb02SAdrian Chadd struct chipc_caps *caps); 121f4a3eb02SAdrian Chadd 122f90f4b65SLandon J. Fuller static bool chipc_should_enable_muxed_sprom( 123f4a3eb02SAdrian Chadd struct chipc_softc *sc); 124f90f4b65SLandon J. Fuller static int chipc_enable_otp_power(struct chipc_softc *sc); 125f90f4b65SLandon J. Fuller static void chipc_disable_otp_power(struct chipc_softc *sc); 126f90f4b65SLandon J. Fuller static int chipc_enable_sprom_pins(struct chipc_softc *sc); 127f90f4b65SLandon J. Fuller static void chipc_disable_sprom_pins(struct chipc_softc *sc); 128f4a3eb02SAdrian Chadd 129f90f4b65SLandon J. Fuller static int chipc_try_activate_resource(struct chipc_softc *sc, 130f90f4b65SLandon J. Fuller device_t child, int type, int rid, 131f90f4b65SLandon J. Fuller struct resource *r, bool req_direct); 1320c91e892SLandon J. Fuller 133f4a3eb02SAdrian Chadd static int chipc_init_rman(struct chipc_softc *sc); 134f4a3eb02SAdrian Chadd static void chipc_free_rman(struct chipc_softc *sc); 135f90f4b65SLandon J. Fuller static struct rman *chipc_get_rman(struct chipc_softc *sc, int type); 136f4a3eb02SAdrian Chadd 1374ad7e9b0SAdrian Chadd /* quirk and capability flag convenience macros */ 1384ad7e9b0SAdrian Chadd #define CHIPC_QUIRK(_sc, _name) \ 1394ad7e9b0SAdrian Chadd ((_sc)->quirks & CHIPC_QUIRK_ ## _name) 1404ad7e9b0SAdrian Chadd 1414ad7e9b0SAdrian Chadd #define CHIPC_CAP(_sc, _name) \ 142f4a3eb02SAdrian Chadd ((_sc)->caps._name) 1434ad7e9b0SAdrian Chadd 1444ad7e9b0SAdrian Chadd #define CHIPC_ASSERT_QUIRK(_sc, name) \ 1454ad7e9b0SAdrian Chadd KASSERT(CHIPC_QUIRK((_sc), name), ("quirk " __STRING(_name) " not set")) 1464ad7e9b0SAdrian Chadd 1474ad7e9b0SAdrian Chadd #define CHIPC_ASSERT_CAP(_sc, name) \ 1484ad7e9b0SAdrian Chadd KASSERT(CHIPC_CAP((_sc), name), ("capability " __STRING(_name) " not set")) 1494ad7e9b0SAdrian Chadd 1504ad7e9b0SAdrian Chadd static int 1514ad7e9b0SAdrian Chadd chipc_probe(device_t dev) 1524ad7e9b0SAdrian Chadd { 15336e4410aSAdrian Chadd const struct bhnd_device *id; 1544ad7e9b0SAdrian Chadd 15536e4410aSAdrian Chadd id = bhnd_device_lookup(dev, chipc_devices, sizeof(chipc_devices[0])); 15636e4410aSAdrian Chadd if (id == NULL) 1574ad7e9b0SAdrian Chadd return (ENXIO); 15836e4410aSAdrian Chadd 15936e4410aSAdrian Chadd bhnd_set_default_core_desc(dev); 16036e4410aSAdrian Chadd return (BUS_PROBE_DEFAULT); 1614ad7e9b0SAdrian Chadd } 1624ad7e9b0SAdrian Chadd 1634ad7e9b0SAdrian Chadd static int 1644ad7e9b0SAdrian Chadd chipc_attach(device_t dev) 1654ad7e9b0SAdrian Chadd { 1664ad7e9b0SAdrian Chadd struct chipc_softc *sc; 1674ad7e9b0SAdrian Chadd int error; 1684ad7e9b0SAdrian Chadd 1694ad7e9b0SAdrian Chadd sc = device_get_softc(dev); 1704ad7e9b0SAdrian Chadd sc->dev = dev; 17136e4410aSAdrian Chadd sc->quirks = bhnd_device_quirks(dev, chipc_devices, 17236e4410aSAdrian Chadd sizeof(chipc_devices[0])); 173f4a3eb02SAdrian Chadd sc->sprom_refcnt = 0; 174e83ce340SAdrian Chadd 175e83ce340SAdrian Chadd CHIPC_LOCK_INIT(sc); 176f4a3eb02SAdrian Chadd STAILQ_INIT(&sc->mem_regions); 1774ad7e9b0SAdrian Chadd 178f4a3eb02SAdrian Chadd /* Set up resource management */ 179f4a3eb02SAdrian Chadd if ((error = chipc_init_rman(sc))) { 180f4a3eb02SAdrian Chadd device_printf(sc->dev, 181f4a3eb02SAdrian Chadd "failed to initialize chipc resource state: %d\n", error); 182f4a3eb02SAdrian Chadd goto failed; 183f4a3eb02SAdrian Chadd } 1844ad7e9b0SAdrian Chadd 1850c91e892SLandon J. Fuller /* Allocate the region containing the chipc register block */ 186f4a3eb02SAdrian Chadd if ((sc->core_region = chipc_find_region_by_rid(sc, 0)) == NULL) { 187f4a3eb02SAdrian Chadd error = ENXIO; 188f4a3eb02SAdrian Chadd goto failed; 189f4a3eb02SAdrian Chadd } 190f4a3eb02SAdrian Chadd 191f4a3eb02SAdrian Chadd error = chipc_retain_region(sc, sc->core_region, 192f4a3eb02SAdrian Chadd RF_ALLOCATED|RF_ACTIVE); 193f4a3eb02SAdrian Chadd if (error) { 194f4a3eb02SAdrian Chadd sc->core_region = NULL; 195f4a3eb02SAdrian Chadd goto failed; 1960c91e892SLandon J. Fuller } 1970c91e892SLandon J. Fuller 1980c91e892SLandon J. Fuller /* Save a direct reference to our chipc registers */ 199f4a3eb02SAdrian Chadd sc->core = sc->core_region->cr_res; 2004ad7e9b0SAdrian Chadd 201f4a3eb02SAdrian Chadd /* Fetch and parse capability register(s) */ 202f4a3eb02SAdrian Chadd if ((error = chipc_read_caps(sc, &sc->caps))) 203f4a3eb02SAdrian Chadd goto failed; 2044ad7e9b0SAdrian Chadd 205f4a3eb02SAdrian Chadd if (bootverbose) 206f4a3eb02SAdrian Chadd chipc_print_caps(sc->dev, &sc->caps); 207f4a3eb02SAdrian Chadd 2080c91e892SLandon J. Fuller /* Attach all supported child devices */ 2090c91e892SLandon J. Fuller if ((error = chipc_add_children(sc))) 2100c91e892SLandon J. Fuller goto failed; 2110c91e892SLandon J. Fuller 2124e96bf3aSLandon J. Fuller /* 2134e96bf3aSLandon J. Fuller * Register ourselves with the bus; we're fully initialized and can 2144e96bf3aSLandon J. Fuller * response to ChipCommin API requests. 2154e96bf3aSLandon J. Fuller * 2164e96bf3aSLandon J. Fuller * Since our children may need access to ChipCommon, this must be done 2174e96bf3aSLandon J. Fuller * before attaching our children below (via bus_generic_attach). 2184e96bf3aSLandon J. Fuller */ 2194e96bf3aSLandon J. Fuller if ((error = bhnd_register_provider(dev, BHND_SERVICE_CHIPC))) 220f4a3eb02SAdrian Chadd goto failed; 2214ad7e9b0SAdrian Chadd 2224e96bf3aSLandon J. Fuller if ((error = bus_generic_attach(dev))) 2238e35bf83SLandon J. Fuller goto failed; 2248e35bf83SLandon J. Fuller 2254ad7e9b0SAdrian Chadd return (0); 2264ad7e9b0SAdrian Chadd 227f4a3eb02SAdrian Chadd failed: 2287d1fb1aaSLandon J. Fuller device_delete_children(sc->dev); 2297d1fb1aaSLandon J. Fuller 230f4a3eb02SAdrian Chadd if (sc->core_region != NULL) { 231f4a3eb02SAdrian Chadd chipc_release_region(sc, sc->core_region, 232f4a3eb02SAdrian Chadd RF_ALLOCATED|RF_ACTIVE); 233f4a3eb02SAdrian Chadd } 234f4a3eb02SAdrian Chadd 235f4a3eb02SAdrian Chadd chipc_free_rman(sc); 236e83ce340SAdrian Chadd CHIPC_LOCK_DESTROY(sc); 2374ad7e9b0SAdrian Chadd return (error); 2384ad7e9b0SAdrian Chadd } 2394ad7e9b0SAdrian Chadd 2404ad7e9b0SAdrian Chadd static int 2414ad7e9b0SAdrian Chadd chipc_detach(device_t dev) 2424ad7e9b0SAdrian Chadd { 2434ad7e9b0SAdrian Chadd struct chipc_softc *sc; 244f4a3eb02SAdrian Chadd int error; 2454ad7e9b0SAdrian Chadd 2464ad7e9b0SAdrian Chadd sc = device_get_softc(dev); 247f4a3eb02SAdrian Chadd 2488e35bf83SLandon J. Fuller if ((error = bhnd_deregister_provider(dev, BHND_SERVICE_ANY))) 2498e35bf83SLandon J. Fuller return (error); 2508e35bf83SLandon J. Fuller 251f4a3eb02SAdrian Chadd if ((error = bus_generic_detach(dev))) 252f4a3eb02SAdrian Chadd return (error); 253f4a3eb02SAdrian Chadd 254f4a3eb02SAdrian Chadd chipc_release_region(sc, sc->core_region, RF_ALLOCATED|RF_ACTIVE); 255f4a3eb02SAdrian Chadd chipc_free_rman(sc); 256e83ce340SAdrian Chadd 257e83ce340SAdrian Chadd CHIPC_LOCK_DESTROY(sc); 2584ad7e9b0SAdrian Chadd 2594ad7e9b0SAdrian Chadd return (0); 2604ad7e9b0SAdrian Chadd } 2614ad7e9b0SAdrian Chadd 2620c91e892SLandon J. Fuller static int 2630c91e892SLandon J. Fuller chipc_add_children(struct chipc_softc *sc) 2640c91e892SLandon J. Fuller { 2650c91e892SLandon J. Fuller device_t child; 2660c91e892SLandon J. Fuller const char *flash_bus; 2670c91e892SLandon J. Fuller int error; 2680c91e892SLandon J. Fuller 2690c91e892SLandon J. Fuller /* SPROM/OTP */ 2700c91e892SLandon J. Fuller if (sc->caps.nvram_src == BHND_NVRAM_SRC_SPROM || 2710c91e892SLandon J. Fuller sc->caps.nvram_src == BHND_NVRAM_SRC_OTP) 2720c91e892SLandon J. Fuller { 2730c91e892SLandon J. Fuller child = BUS_ADD_CHILD(sc->dev, 0, "bhnd_nvram", -1); 2740c91e892SLandon J. Fuller if (child == NULL) { 2750c91e892SLandon J. Fuller device_printf(sc->dev, "failed to add nvram device\n"); 2760c91e892SLandon J. Fuller return (ENXIO); 2770c91e892SLandon J. Fuller } 2780c91e892SLandon J. Fuller 2790c91e892SLandon J. Fuller /* Both OTP and external SPROM are mapped at CHIPC_SPROM_OTP */ 280caeff9a3SLandon J. Fuller error = chipc_set_mem_resource(sc, child, 0, CHIPC_SPROM_OTP, 281caeff9a3SLandon J. Fuller CHIPC_SPROM_OTP_SIZE, 0, 0); 282caeff9a3SLandon J. Fuller if (error) { 283caeff9a3SLandon J. Fuller device_printf(sc->dev, "failed to set OTP memory " 284caeff9a3SLandon J. Fuller "resource: %d\n", error); 2850c91e892SLandon J. Fuller return (error); 2860c91e892SLandon J. Fuller } 287caeff9a3SLandon J. Fuller } 2880c91e892SLandon J. Fuller 2890c91e892SLandon J. Fuller /* 290f90f4b65SLandon J. Fuller * PMU/PWR_CTRL 2910c91e892SLandon J. Fuller * 292f90f4b65SLandon J. Fuller * On AOB ("Always on Bus") devices, the PMU core (if it exists) is 293f90f4b65SLandon J. Fuller * attached directly to the bhnd(4) bus -- not chipc. 2940c91e892SLandon J. Fuller */ 2954e96bf3aSLandon J. Fuller if (sc->caps.pmu && !sc->caps.aob) { 2964e96bf3aSLandon J. Fuller child = BUS_ADD_CHILD(sc->dev, 0, "bhnd_pmu", 0); 2970c91e892SLandon J. Fuller if (child == NULL) { 2980c91e892SLandon J. Fuller device_printf(sc->dev, "failed to add pmu\n"); 2990c91e892SLandon J. Fuller return (ENXIO); 3000c91e892SLandon J. Fuller } 3014e96bf3aSLandon J. Fuller } else if (sc->caps.pwr_ctrl) { 3024e96bf3aSLandon J. Fuller child = BUS_ADD_CHILD(sc->dev, 0, "bhnd_pwrctl", 0); 3034e96bf3aSLandon J. Fuller if (child == NULL) { 3044e96bf3aSLandon J. Fuller device_printf(sc->dev, "failed to add pwrctl\n"); 3054e96bf3aSLandon J. Fuller return (ENXIO); 3064e96bf3aSLandon J. Fuller } 3070c91e892SLandon J. Fuller } 3080c91e892SLandon J. Fuller 3092f909a9fSLandon J. Fuller /* GPIO */ 3102f909a9fSLandon J. Fuller child = BUS_ADD_CHILD(sc->dev, 0, "gpio", 0); 3112f909a9fSLandon J. Fuller if (child == NULL) { 3122f909a9fSLandon J. Fuller device_printf(sc->dev, "failed to add gpio\n"); 3132f909a9fSLandon J. Fuller return (ENXIO); 3142f909a9fSLandon J. Fuller } 3152f909a9fSLandon J. Fuller 3162f909a9fSLandon J. Fuller error = chipc_set_mem_resource(sc, child, 0, 0, RM_MAX_END, 0, 0); 3172f909a9fSLandon J. Fuller if (error) { 3182f909a9fSLandon J. Fuller device_printf(sc->dev, "failed to set gpio memory resource: " 3192f909a9fSLandon J. Fuller "%d\n", error); 3202f909a9fSLandon J. Fuller return (error); 3212f909a9fSLandon J. Fuller } 3222f909a9fSLandon J. Fuller 3230c91e892SLandon J. Fuller /* All remaining devices are SoC-only */ 3240c91e892SLandon J. Fuller if (bhnd_get_attach_type(sc->dev) != BHND_ATTACH_NATIVE) 3250c91e892SLandon J. Fuller return (0); 3260c91e892SLandon J. Fuller 3270c91e892SLandon J. Fuller /* UARTs */ 3280c91e892SLandon J. Fuller for (u_int i = 0; i < min(sc->caps.num_uarts, CHIPC_UART_MAX); i++) { 329caeff9a3SLandon J. Fuller int irq_rid, mem_rid; 330caeff9a3SLandon J. Fuller 331caeff9a3SLandon J. Fuller irq_rid = 0; 332caeff9a3SLandon J. Fuller mem_rid = 0; 333caeff9a3SLandon J. Fuller 3340c91e892SLandon J. Fuller child = BUS_ADD_CHILD(sc->dev, 0, "uart", -1); 3350c91e892SLandon J. Fuller if (child == NULL) { 3360c91e892SLandon J. Fuller device_printf(sc->dev, "failed to add uart%u\n", i); 3370c91e892SLandon J. Fuller return (ENXIO); 3380c91e892SLandon J. Fuller } 3390c91e892SLandon J. Fuller 3400c91e892SLandon J. Fuller /* Shared IRQ */ 341caeff9a3SLandon J. Fuller error = chipc_set_irq_resource(sc, child, irq_rid, 0); 3420c91e892SLandon J. Fuller if (error) { 3430c91e892SLandon J. Fuller device_printf(sc->dev, "failed to set uart%u irq %u\n", 344caeff9a3SLandon J. Fuller i, 0); 3450c91e892SLandon J. Fuller return (error); 3460c91e892SLandon J. Fuller } 3470c91e892SLandon J. Fuller 3480c91e892SLandon J. Fuller /* UART registers are mapped sequentially */ 349caeff9a3SLandon J. Fuller error = chipc_set_mem_resource(sc, child, mem_rid, 3500c91e892SLandon J. Fuller CHIPC_UART(i), CHIPC_UART_SIZE, 0, 0); 351caeff9a3SLandon J. Fuller if (error) { 352caeff9a3SLandon J. Fuller device_printf(sc->dev, "failed to set uart%u memory " 353caeff9a3SLandon J. Fuller "resource: %d\n", i, error); 3540c91e892SLandon J. Fuller return (error); 3550c91e892SLandon J. Fuller } 356caeff9a3SLandon J. Fuller } 3570c91e892SLandon J. Fuller 3580c91e892SLandon J. Fuller /* Flash */ 3590c91e892SLandon J. Fuller flash_bus = chipc_flash_bus_name(sc->caps.flash_type); 3600c91e892SLandon J. Fuller if (flash_bus != NULL) { 361caeff9a3SLandon J. Fuller int rid; 362caeff9a3SLandon J. Fuller 3630c91e892SLandon J. Fuller child = BUS_ADD_CHILD(sc->dev, 0, flash_bus, -1); 3640c91e892SLandon J. Fuller if (child == NULL) { 3650c91e892SLandon J. Fuller device_printf(sc->dev, "failed to add %s device\n", 3660c91e892SLandon J. Fuller flash_bus); 3670c91e892SLandon J. Fuller return (ENXIO); 3680c91e892SLandon J. Fuller } 3690c91e892SLandon J. Fuller 3700c91e892SLandon J. Fuller /* flash memory mapping */ 371caeff9a3SLandon J. Fuller rid = 0; 372caeff9a3SLandon J. Fuller error = chipc_set_mem_resource(sc, child, rid, 0, RM_MAX_END, 1, 373caeff9a3SLandon J. Fuller 1); 374caeff9a3SLandon J. Fuller if (error) { 375caeff9a3SLandon J. Fuller device_printf(sc->dev, "failed to set flash memory " 376caeff9a3SLandon J. Fuller "resource %d: %d\n", rid, error); 3770c91e892SLandon J. Fuller return (error); 378caeff9a3SLandon J. Fuller } 3790c91e892SLandon J. Fuller 3800c91e892SLandon J. Fuller /* flashctrl registers */ 381caeff9a3SLandon J. Fuller rid++; 382caeff9a3SLandon J. Fuller error = chipc_set_mem_resource(sc, child, rid, 3830c91e892SLandon J. Fuller CHIPC_SFLASH_BASE, CHIPC_SFLASH_SIZE, 0, 0); 384caeff9a3SLandon J. Fuller if (error) { 385caeff9a3SLandon J. Fuller device_printf(sc->dev, "failed to set flash memory " 386caeff9a3SLandon J. Fuller "resource %d: %d\n", rid, error); 3870c91e892SLandon J. Fuller return (error); 3880c91e892SLandon J. Fuller } 389caeff9a3SLandon J. Fuller } 3900c91e892SLandon J. Fuller 3910c91e892SLandon J. Fuller return (0); 3920c91e892SLandon J. Fuller } 3930c91e892SLandon J. Fuller 39456a4cdd1SLandon J. Fuller /** 39556a4cdd1SLandon J. Fuller * Determine the NVRAM data source for this device. 39656a4cdd1SLandon J. Fuller * 39756a4cdd1SLandon J. Fuller * The SPROM, OTP, and flash capability flags must be fully populated in 39856a4cdd1SLandon J. Fuller * @p caps. 39956a4cdd1SLandon J. Fuller * 40056a4cdd1SLandon J. Fuller * @param sc chipc driver state. 40156a4cdd1SLandon J. Fuller * @param caps capability flags to be used to derive NVRAM configuration. 40256a4cdd1SLandon J. Fuller */ 40356a4cdd1SLandon J. Fuller static bhnd_nvram_src 40456a4cdd1SLandon J. Fuller chipc_find_nvram_src(struct chipc_softc *sc, struct chipc_caps *caps) 40556a4cdd1SLandon J. Fuller { 40656a4cdd1SLandon J. Fuller uint32_t otp_st, srom_ctrl; 40756a4cdd1SLandon J. Fuller 40856a4cdd1SLandon J. Fuller /* 40956a4cdd1SLandon J. Fuller * We check for hardware presence in order of precedence. For example, 41056a4cdd1SLandon J. Fuller * SPROM is is always used in preference to internal OTP if found. 41156a4cdd1SLandon J. Fuller */ 4121728aef2SLandon J. Fuller if (CHIPC_QUIRK(sc, SUPPORTS_SPROM) && caps->sprom) { 41356a4cdd1SLandon J. Fuller srom_ctrl = bhnd_bus_read_4(sc->core, CHIPC_SPROM_CTRL); 41456a4cdd1SLandon J. Fuller if (srom_ctrl & CHIPC_SRC_PRESENT) 41556a4cdd1SLandon J. Fuller return (BHND_NVRAM_SRC_SPROM); 41656a4cdd1SLandon J. Fuller } 41756a4cdd1SLandon J. Fuller 41856a4cdd1SLandon J. Fuller /* Check for programmed OTP H/W subregion (contains SROM data) */ 41956a4cdd1SLandon J. Fuller if (CHIPC_QUIRK(sc, SUPPORTS_OTP) && caps->otp_size > 0) { 42056a4cdd1SLandon J. Fuller /* TODO: need access to HND-OTP device */ 42156a4cdd1SLandon J. Fuller if (!CHIPC_QUIRK(sc, OTP_HND)) { 42256a4cdd1SLandon J. Fuller device_printf(sc->dev, 42356a4cdd1SLandon J. Fuller "NVRAM unavailable: unsupported OTP controller.\n"); 42456a4cdd1SLandon J. Fuller return (BHND_NVRAM_SRC_UNKNOWN); 42556a4cdd1SLandon J. Fuller } 42656a4cdd1SLandon J. Fuller 42756a4cdd1SLandon J. Fuller otp_st = bhnd_bus_read_4(sc->core, CHIPC_OTPST); 42856a4cdd1SLandon J. Fuller if (otp_st & CHIPC_OTPS_GUP_HW) 42956a4cdd1SLandon J. Fuller return (BHND_NVRAM_SRC_OTP); 43056a4cdd1SLandon J. Fuller } 43156a4cdd1SLandon J. Fuller 43256a4cdd1SLandon J. Fuller /* Check for flash */ 43356a4cdd1SLandon J. Fuller if (caps->flash_type != CHIPC_FLASH_NONE) 43456a4cdd1SLandon J. Fuller return (BHND_NVRAM_SRC_FLASH); 43556a4cdd1SLandon J. Fuller 43656a4cdd1SLandon J. Fuller /* No NVRAM hardware capability declared */ 43756a4cdd1SLandon J. Fuller return (BHND_NVRAM_SRC_UNKNOWN); 43856a4cdd1SLandon J. Fuller } 43956a4cdd1SLandon J. Fuller 440f4a3eb02SAdrian Chadd /* Read and parse chipc capabilities */ 4414ad7e9b0SAdrian Chadd static int 442f4a3eb02SAdrian Chadd chipc_read_caps(struct chipc_softc *sc, struct chipc_caps *caps) 4434ad7e9b0SAdrian Chadd { 444f4a3eb02SAdrian Chadd uint32_t cap_reg; 445f4a3eb02SAdrian Chadd uint32_t cap_ext_reg; 446f4a3eb02SAdrian Chadd uint32_t regval; 447f4a3eb02SAdrian Chadd 448f4a3eb02SAdrian Chadd /* Fetch cap registers */ 449f4a3eb02SAdrian Chadd cap_reg = bhnd_bus_read_4(sc->core, CHIPC_CAPABILITIES); 450f4a3eb02SAdrian Chadd cap_ext_reg = 0; 451f4a3eb02SAdrian Chadd if (CHIPC_QUIRK(sc, SUPPORTS_CAP_EXT)) 452f4a3eb02SAdrian Chadd cap_ext_reg = bhnd_bus_read_4(sc->core, CHIPC_CAPABILITIES_EXT); 453f4a3eb02SAdrian Chadd 454f4a3eb02SAdrian Chadd /* Extract values */ 455f4a3eb02SAdrian Chadd caps->num_uarts = CHIPC_GET_BITS(cap_reg, CHIPC_CAP_NUM_UART); 456f4a3eb02SAdrian Chadd caps->mipseb = CHIPC_GET_FLAG(cap_reg, CHIPC_CAP_MIPSEB); 457f4a3eb02SAdrian Chadd caps->uart_gpio = CHIPC_GET_FLAG(cap_reg, CHIPC_CAP_UARTGPIO); 458f4a3eb02SAdrian Chadd caps->uart_clock = CHIPC_GET_BITS(cap_reg, CHIPC_CAP_UCLKSEL); 459f4a3eb02SAdrian Chadd 460f4a3eb02SAdrian Chadd caps->extbus_type = CHIPC_GET_BITS(cap_reg, CHIPC_CAP_EXTBUS); 461f90f4b65SLandon J. Fuller caps->pwr_ctrl = CHIPC_GET_FLAG(cap_reg, CHIPC_CAP_PWR_CTL); 462f4a3eb02SAdrian Chadd caps->jtag_master = CHIPC_GET_FLAG(cap_reg, CHIPC_CAP_JTAGP); 463f4a3eb02SAdrian Chadd 464f4a3eb02SAdrian Chadd caps->pll_type = CHIPC_GET_BITS(cap_reg, CHIPC_CAP_PLL); 465f4a3eb02SAdrian Chadd caps->backplane_64 = CHIPC_GET_FLAG(cap_reg, CHIPC_CAP_BKPLN64); 466f4a3eb02SAdrian Chadd caps->boot_rom = CHIPC_GET_FLAG(cap_reg, CHIPC_CAP_ROM); 467f4a3eb02SAdrian Chadd caps->pmu = CHIPC_GET_FLAG(cap_reg, CHIPC_CAP_PMU); 468f4a3eb02SAdrian Chadd caps->eci = CHIPC_GET_FLAG(cap_reg, CHIPC_CAP_ECI); 469f4a3eb02SAdrian Chadd caps->sprom = CHIPC_GET_FLAG(cap_reg, CHIPC_CAP_SPROM); 470f4a3eb02SAdrian Chadd caps->otp_size = CHIPC_GET_BITS(cap_reg, CHIPC_CAP_OTP_SIZE); 471f4a3eb02SAdrian Chadd 472f4a3eb02SAdrian Chadd caps->seci = CHIPC_GET_FLAG(cap_ext_reg, CHIPC_CAP2_SECI); 473f4a3eb02SAdrian Chadd caps->gsio = CHIPC_GET_FLAG(cap_ext_reg, CHIPC_CAP2_GSIO); 474f4a3eb02SAdrian Chadd caps->aob = CHIPC_GET_FLAG(cap_ext_reg, CHIPC_CAP2_AOB); 475f4a3eb02SAdrian Chadd 476f4a3eb02SAdrian Chadd /* Fetch OTP size for later IPX controller revisions */ 47756a4cdd1SLandon J. Fuller if (CHIPC_QUIRK(sc, IPX_OTPL_SIZE)) { 478f4a3eb02SAdrian Chadd regval = bhnd_bus_read_4(sc->core, CHIPC_OTPLAYOUT); 479f4a3eb02SAdrian Chadd caps->otp_size = CHIPC_GET_BITS(regval, CHIPC_OTPL_SIZE); 4804ad7e9b0SAdrian Chadd } 4814ad7e9b0SAdrian Chadd 4825ad9ac03SAdrian Chadd /* Determine flash type and parameters */ 483f4a3eb02SAdrian Chadd caps->cfi_width = 0; 484f4a3eb02SAdrian Chadd switch (CHIPC_GET_BITS(cap_reg, CHIPC_CAP_FLASH)) { 485f4a3eb02SAdrian Chadd case CHIPC_CAP_SFLASH_ST: 486f4a3eb02SAdrian Chadd caps->flash_type = CHIPC_SFLASH_ST; 487f4a3eb02SAdrian Chadd break; 488f4a3eb02SAdrian Chadd case CHIPC_CAP_SFLASH_AT: 489f4a3eb02SAdrian Chadd caps->flash_type = CHIPC_SFLASH_AT; 490f4a3eb02SAdrian Chadd break; 491f4a3eb02SAdrian Chadd case CHIPC_CAP_NFLASH: 4920c91e892SLandon J. Fuller /* unimplemented */ 493f4a3eb02SAdrian Chadd caps->flash_type = CHIPC_NFLASH; 494f4a3eb02SAdrian Chadd break; 495f4a3eb02SAdrian Chadd case CHIPC_CAP_PFLASH: 496f4a3eb02SAdrian Chadd caps->flash_type = CHIPC_PFLASH_CFI; 497f4a3eb02SAdrian Chadd 498f4a3eb02SAdrian Chadd /* determine cfi width */ 499f4a3eb02SAdrian Chadd regval = bhnd_bus_read_4(sc->core, CHIPC_FLASH_CFG); 500f4a3eb02SAdrian Chadd if (CHIPC_GET_FLAG(regval, CHIPC_FLASH_CFG_DS)) 501f4a3eb02SAdrian Chadd caps->cfi_width = 2; 502f4a3eb02SAdrian Chadd else 503f4a3eb02SAdrian Chadd caps->cfi_width = 1; 504f4a3eb02SAdrian Chadd 505f4a3eb02SAdrian Chadd break; 506f4a3eb02SAdrian Chadd case CHIPC_CAP_FLASH_NONE: 507f4a3eb02SAdrian Chadd caps->flash_type = CHIPC_FLASH_NONE; 508f4a3eb02SAdrian Chadd break; 509f4a3eb02SAdrian Chadd 510f4a3eb02SAdrian Chadd } 511f4a3eb02SAdrian Chadd 512f4a3eb02SAdrian Chadd /* Handle 4706_NFLASH fallback */ 513f4a3eb02SAdrian Chadd if (CHIPC_QUIRK(sc, 4706_NFLASH) && 514f4a3eb02SAdrian Chadd CHIPC_GET_FLAG(cap_reg, CHIPC_CAP_4706_NFLASH)) 5154ad7e9b0SAdrian Chadd { 516f4a3eb02SAdrian Chadd caps->flash_type = CHIPC_NFLASH_4706; 517f4a3eb02SAdrian Chadd } 518f4a3eb02SAdrian Chadd 51956a4cdd1SLandon J. Fuller 52056a4cdd1SLandon J. Fuller /* Determine NVRAM source. Must occur after the SPROM/OTP/flash 52156a4cdd1SLandon J. Fuller * capability flags have been populated. */ 52256a4cdd1SLandon J. Fuller caps->nvram_src = chipc_find_nvram_src(sc, caps); 52356a4cdd1SLandon J. Fuller 52456a4cdd1SLandon J. Fuller /* Determine the SPROM offset within OTP (if any). SPROM-formatted 52556a4cdd1SLandon J. Fuller * data is placed within the OTP general use region. */ 52656a4cdd1SLandon J. Fuller caps->sprom_offset = 0; 52756a4cdd1SLandon J. Fuller if (caps->nvram_src == BHND_NVRAM_SRC_OTP) { 52856a4cdd1SLandon J. Fuller CHIPC_ASSERT_QUIRK(sc, OTP_IPX); 52956a4cdd1SLandon J. Fuller 53056a4cdd1SLandon J. Fuller /* Bit offset to GUP HW subregion containing SPROM data */ 53156a4cdd1SLandon J. Fuller regval = bhnd_bus_read_4(sc->core, CHIPC_OTPLAYOUT); 53256a4cdd1SLandon J. Fuller caps->sprom_offset = CHIPC_GET_BITS(regval, CHIPC_OTPL_GUP); 53356a4cdd1SLandon J. Fuller 53456a4cdd1SLandon J. Fuller /* Convert to bytes */ 53556a4cdd1SLandon J. Fuller caps->sprom_offset /= 8; 53656a4cdd1SLandon J. Fuller } 53756a4cdd1SLandon J. Fuller 5384ad7e9b0SAdrian Chadd return (0); 5394ad7e9b0SAdrian Chadd } 5404ad7e9b0SAdrian Chadd 541f4a3eb02SAdrian Chadd static int 542f4a3eb02SAdrian Chadd chipc_suspend(device_t dev) 543f4a3eb02SAdrian Chadd { 544f4a3eb02SAdrian Chadd return (bus_generic_suspend(dev)); 545f4a3eb02SAdrian Chadd } 546f4a3eb02SAdrian Chadd 547f4a3eb02SAdrian Chadd static int 548f4a3eb02SAdrian Chadd chipc_resume(device_t dev) 549f4a3eb02SAdrian Chadd { 550f4a3eb02SAdrian Chadd return (bus_generic_resume(dev)); 551f4a3eb02SAdrian Chadd } 552f4a3eb02SAdrian Chadd 553f4a3eb02SAdrian Chadd static void 554f4a3eb02SAdrian Chadd chipc_probe_nomatch(device_t dev, device_t child) 555f4a3eb02SAdrian Chadd { 556f4a3eb02SAdrian Chadd struct resource_list *rl; 557f4a3eb02SAdrian Chadd const char *name; 558f4a3eb02SAdrian Chadd 559f4a3eb02SAdrian Chadd name = device_get_name(child); 560f4a3eb02SAdrian Chadd if (name == NULL) 561f4a3eb02SAdrian Chadd name = "unknown device"; 562f4a3eb02SAdrian Chadd 563f4a3eb02SAdrian Chadd device_printf(dev, "<%s> at", name); 564f4a3eb02SAdrian Chadd 565f4a3eb02SAdrian Chadd rl = BUS_GET_RESOURCE_LIST(dev, child); 566f4a3eb02SAdrian Chadd if (rl != NULL) { 567f4a3eb02SAdrian Chadd resource_list_print_type(rl, "mem", SYS_RES_MEMORY, "%#jx"); 568f4a3eb02SAdrian Chadd resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%jd"); 569f4a3eb02SAdrian Chadd } 570f4a3eb02SAdrian Chadd 571f4a3eb02SAdrian Chadd printf(" (no driver attached)\n"); 572f4a3eb02SAdrian Chadd } 573f4a3eb02SAdrian Chadd 574f4a3eb02SAdrian Chadd static int 575f4a3eb02SAdrian Chadd chipc_print_child(device_t dev, device_t child) 576f4a3eb02SAdrian Chadd { 577f4a3eb02SAdrian Chadd struct resource_list *rl; 578f4a3eb02SAdrian Chadd int retval = 0; 579f4a3eb02SAdrian Chadd 580f4a3eb02SAdrian Chadd retval += bus_print_child_header(dev, child); 581f4a3eb02SAdrian Chadd 582f4a3eb02SAdrian Chadd rl = BUS_GET_RESOURCE_LIST(dev, child); 583f4a3eb02SAdrian Chadd if (rl != NULL) { 584f4a3eb02SAdrian Chadd retval += resource_list_print_type(rl, "mem", SYS_RES_MEMORY, 585f4a3eb02SAdrian Chadd "%#jx"); 586f4a3eb02SAdrian Chadd retval += resource_list_print_type(rl, "irq", SYS_RES_IRQ, 587f4a3eb02SAdrian Chadd "%jd"); 588f4a3eb02SAdrian Chadd } 589f4a3eb02SAdrian Chadd 590f4a3eb02SAdrian Chadd retval += bus_print_child_domain(dev, child); 591f4a3eb02SAdrian Chadd retval += bus_print_child_footer(dev, child); 592f4a3eb02SAdrian Chadd 593f4a3eb02SAdrian Chadd return (retval); 594f4a3eb02SAdrian Chadd } 595f4a3eb02SAdrian Chadd 596f4a3eb02SAdrian Chadd static int 597f4a3eb02SAdrian Chadd chipc_child_pnpinfo_str(device_t dev, device_t child, char *buf, 598f4a3eb02SAdrian Chadd size_t buflen) 599f4a3eb02SAdrian Chadd { 600f4a3eb02SAdrian Chadd if (buflen == 0) 601f4a3eb02SAdrian Chadd return (EOVERFLOW); 602f4a3eb02SAdrian Chadd 603f4a3eb02SAdrian Chadd *buf = '\0'; 604f4a3eb02SAdrian Chadd return (0); 605f4a3eb02SAdrian Chadd } 606f4a3eb02SAdrian Chadd 607f4a3eb02SAdrian Chadd static int 608f4a3eb02SAdrian Chadd chipc_child_location_str(device_t dev, device_t child, char *buf, 609f4a3eb02SAdrian Chadd size_t buflen) 610f4a3eb02SAdrian Chadd { 611f4a3eb02SAdrian Chadd if (buflen == 0) 612f4a3eb02SAdrian Chadd return (EOVERFLOW); 613f4a3eb02SAdrian Chadd 614f4a3eb02SAdrian Chadd *buf = '\0'; 615f4a3eb02SAdrian Chadd return (ENXIO); 616f4a3eb02SAdrian Chadd } 617f4a3eb02SAdrian Chadd 618f4a3eb02SAdrian Chadd static device_t 619f4a3eb02SAdrian Chadd chipc_add_child(device_t dev, u_int order, const char *name, int unit) 620f4a3eb02SAdrian Chadd { 6210c91e892SLandon J. Fuller struct chipc_softc *sc; 622f4a3eb02SAdrian Chadd struct chipc_devinfo *dinfo; 623f4a3eb02SAdrian Chadd device_t child; 6240c91e892SLandon J. Fuller 6250c91e892SLandon J. Fuller sc = device_get_softc(dev); 626f4a3eb02SAdrian Chadd 627f4a3eb02SAdrian Chadd child = device_add_child_ordered(dev, order, name, unit); 628f4a3eb02SAdrian Chadd if (child == NULL) 629f4a3eb02SAdrian Chadd return (NULL); 630f4a3eb02SAdrian Chadd 631f4a3eb02SAdrian Chadd dinfo = malloc(sizeof(struct chipc_devinfo), M_BHND, M_NOWAIT); 632f4a3eb02SAdrian Chadd if (dinfo == NULL) { 633f4a3eb02SAdrian Chadd device_delete_child(dev, child); 634f4a3eb02SAdrian Chadd return (NULL); 635f4a3eb02SAdrian Chadd } 636f4a3eb02SAdrian Chadd 637f4a3eb02SAdrian Chadd resource_list_init(&dinfo->resources); 638caeff9a3SLandon J. Fuller dinfo->irq_mapped = false; 639f4a3eb02SAdrian Chadd device_set_ivars(child, dinfo); 640f4a3eb02SAdrian Chadd 641f4a3eb02SAdrian Chadd return (child); 642f4a3eb02SAdrian Chadd } 643f4a3eb02SAdrian Chadd 644f4a3eb02SAdrian Chadd static void 645f4a3eb02SAdrian Chadd chipc_child_deleted(device_t dev, device_t child) 646f4a3eb02SAdrian Chadd { 647f4a3eb02SAdrian Chadd struct chipc_devinfo *dinfo = device_get_ivars(child); 648f4a3eb02SAdrian Chadd 649f4a3eb02SAdrian Chadd if (dinfo != NULL) { 650caeff9a3SLandon J. Fuller /* Free the child's resource list */ 651f4a3eb02SAdrian Chadd resource_list_free(&dinfo->resources); 652caeff9a3SLandon J. Fuller 653caeff9a3SLandon J. Fuller /* Unmap the child's IRQ */ 654caeff9a3SLandon J. Fuller if (dinfo->irq_mapped) { 655caeff9a3SLandon J. Fuller bhnd_unmap_intr(dev, dinfo->irq); 656caeff9a3SLandon J. Fuller dinfo->irq_mapped = false; 657caeff9a3SLandon J. Fuller } 658caeff9a3SLandon J. Fuller 659f4a3eb02SAdrian Chadd free(dinfo, M_BHND); 660f4a3eb02SAdrian Chadd } 661f4a3eb02SAdrian Chadd 662f4a3eb02SAdrian Chadd device_set_ivars(child, NULL); 663f4a3eb02SAdrian Chadd } 664f4a3eb02SAdrian Chadd 665f4a3eb02SAdrian Chadd static struct resource_list * 666f4a3eb02SAdrian Chadd chipc_get_resource_list(device_t dev, device_t child) 667f4a3eb02SAdrian Chadd { 668f4a3eb02SAdrian Chadd struct chipc_devinfo *dinfo = device_get_ivars(child); 669f4a3eb02SAdrian Chadd return (&dinfo->resources); 670f4a3eb02SAdrian Chadd } 671f4a3eb02SAdrian Chadd 672f4a3eb02SAdrian Chadd 673f4a3eb02SAdrian Chadd /* Allocate region records for the given port, and add the port's memory 674f4a3eb02SAdrian Chadd * range to the mem_rman */ 675f4a3eb02SAdrian Chadd static int 676f4a3eb02SAdrian Chadd chipc_rman_init_regions (struct chipc_softc *sc, bhnd_port_type type, 677f4a3eb02SAdrian Chadd u_int port) 678f4a3eb02SAdrian Chadd { 679f4a3eb02SAdrian Chadd struct chipc_region *cr; 680f4a3eb02SAdrian Chadd rman_res_t start, end; 681f4a3eb02SAdrian Chadd u_int num_regions; 682f4a3eb02SAdrian Chadd int error; 683f4a3eb02SAdrian Chadd 6840c91e892SLandon J. Fuller num_regions = bhnd_get_region_count(sc->dev, type, port); 685f4a3eb02SAdrian Chadd for (u_int region = 0; region < num_regions; region++) { 686f4a3eb02SAdrian Chadd /* Allocate new region record */ 687f4a3eb02SAdrian Chadd cr = chipc_alloc_region(sc, type, port, region); 688f4a3eb02SAdrian Chadd if (cr == NULL) 689f4a3eb02SAdrian Chadd return (ENODEV); 690f4a3eb02SAdrian Chadd 691f4a3eb02SAdrian Chadd /* Can't manage regions that cannot be allocated */ 692f4a3eb02SAdrian Chadd if (cr->cr_rid < 0) { 693f4a3eb02SAdrian Chadd BHND_DEBUG_DEV(sc->dev, "no rid for chipc region " 694f4a3eb02SAdrian Chadd "%s%u.%u", bhnd_port_type_name(type), port, region); 695f4a3eb02SAdrian Chadd chipc_free_region(sc, cr); 696f4a3eb02SAdrian Chadd continue; 697f4a3eb02SAdrian Chadd } 698f4a3eb02SAdrian Chadd 699f4a3eb02SAdrian Chadd /* Add to rman's managed range */ 700f4a3eb02SAdrian Chadd start = cr->cr_addr; 701f4a3eb02SAdrian Chadd end = cr->cr_end; 702f4a3eb02SAdrian Chadd if ((error = rman_manage_region(&sc->mem_rman, start, end))) { 703f4a3eb02SAdrian Chadd chipc_free_region(sc, cr); 704f4a3eb02SAdrian Chadd return (error); 705f4a3eb02SAdrian Chadd } 706f4a3eb02SAdrian Chadd 707f4a3eb02SAdrian Chadd /* Add to region list */ 708f4a3eb02SAdrian Chadd STAILQ_INSERT_TAIL(&sc->mem_regions, cr, cr_link); 709f4a3eb02SAdrian Chadd } 710f4a3eb02SAdrian Chadd 711f4a3eb02SAdrian Chadd return (0); 712f4a3eb02SAdrian Chadd } 713f4a3eb02SAdrian Chadd 714f4a3eb02SAdrian Chadd /* Initialize memory state for all chipc port regions */ 715f4a3eb02SAdrian Chadd static int 716f4a3eb02SAdrian Chadd chipc_init_rman(struct chipc_softc *sc) 717f4a3eb02SAdrian Chadd { 718f4a3eb02SAdrian Chadd u_int num_ports; 719f4a3eb02SAdrian Chadd int error; 720f4a3eb02SAdrian Chadd 721f4a3eb02SAdrian Chadd /* Port types for which we'll register chipc_region mappings */ 722f4a3eb02SAdrian Chadd bhnd_port_type types[] = { 723f4a3eb02SAdrian Chadd BHND_PORT_DEVICE 724f4a3eb02SAdrian Chadd }; 725f4a3eb02SAdrian Chadd 726f4a3eb02SAdrian Chadd /* Initialize resource manager */ 727f4a3eb02SAdrian Chadd sc->mem_rman.rm_start = 0; 728f4a3eb02SAdrian Chadd sc->mem_rman.rm_end = BUS_SPACE_MAXADDR; 729f4a3eb02SAdrian Chadd sc->mem_rman.rm_type = RMAN_ARRAY; 730f4a3eb02SAdrian Chadd sc->mem_rman.rm_descr = "ChipCommon Device Memory"; 731f4a3eb02SAdrian Chadd if ((error = rman_init(&sc->mem_rman))) { 732f4a3eb02SAdrian Chadd device_printf(sc->dev, "could not initialize mem_rman: %d\n", 733f4a3eb02SAdrian Chadd error); 734f4a3eb02SAdrian Chadd return (error); 735f4a3eb02SAdrian Chadd } 736f4a3eb02SAdrian Chadd 737f4a3eb02SAdrian Chadd /* Populate per-port-region state */ 738f4a3eb02SAdrian Chadd for (u_int i = 0; i < nitems(types); i++) { 739f4a3eb02SAdrian Chadd num_ports = bhnd_get_port_count(sc->dev, types[i]); 740f4a3eb02SAdrian Chadd for (u_int port = 0; port < num_ports; port++) { 741f4a3eb02SAdrian Chadd error = chipc_rman_init_regions(sc, types[i], port); 742f4a3eb02SAdrian Chadd if (error) { 743f4a3eb02SAdrian Chadd device_printf(sc->dev, 744f4a3eb02SAdrian Chadd "region init failed for %s%u: %d\n", 745f4a3eb02SAdrian Chadd bhnd_port_type_name(types[i]), port, 746f4a3eb02SAdrian Chadd error); 747f4a3eb02SAdrian Chadd 748f4a3eb02SAdrian Chadd goto failed; 749f4a3eb02SAdrian Chadd } 750f4a3eb02SAdrian Chadd } 751f4a3eb02SAdrian Chadd } 752f4a3eb02SAdrian Chadd 753f4a3eb02SAdrian Chadd return (0); 754f4a3eb02SAdrian Chadd 755f4a3eb02SAdrian Chadd failed: 756f4a3eb02SAdrian Chadd chipc_free_rman(sc); 757f4a3eb02SAdrian Chadd return (error); 758f4a3eb02SAdrian Chadd } 759f4a3eb02SAdrian Chadd 760f4a3eb02SAdrian Chadd /* Free memory management state */ 761f4a3eb02SAdrian Chadd static void 762f4a3eb02SAdrian Chadd chipc_free_rman(struct chipc_softc *sc) 763f4a3eb02SAdrian Chadd { 764f4a3eb02SAdrian Chadd struct chipc_region *cr, *cr_next; 765f4a3eb02SAdrian Chadd 766f4a3eb02SAdrian Chadd STAILQ_FOREACH_SAFE(cr, &sc->mem_regions, cr_link, cr_next) 767f4a3eb02SAdrian Chadd chipc_free_region(sc, cr); 768f4a3eb02SAdrian Chadd 769f4a3eb02SAdrian Chadd rman_fini(&sc->mem_rman); 770f4a3eb02SAdrian Chadd } 771f4a3eb02SAdrian Chadd 772f4a3eb02SAdrian Chadd /** 773f4a3eb02SAdrian Chadd * Return the rman instance for a given resource @p type, if any. 774f4a3eb02SAdrian Chadd * 775f4a3eb02SAdrian Chadd * @param sc The chipc device state. 776f4a3eb02SAdrian Chadd * @param type The resource type (e.g. SYS_RES_MEMORY, SYS_RES_IRQ, ...) 777f4a3eb02SAdrian Chadd */ 778f4a3eb02SAdrian Chadd static struct rman * 779f4a3eb02SAdrian Chadd chipc_get_rman(struct chipc_softc *sc, int type) 780f4a3eb02SAdrian Chadd { 781f4a3eb02SAdrian Chadd switch (type) { 782f4a3eb02SAdrian Chadd case SYS_RES_MEMORY: 783f4a3eb02SAdrian Chadd return (&sc->mem_rman); 784f4a3eb02SAdrian Chadd 785f4a3eb02SAdrian Chadd case SYS_RES_IRQ: 786caeff9a3SLandon J. Fuller /* We delegate IRQ resource management to the parent bus */ 787f4a3eb02SAdrian Chadd return (NULL); 788f4a3eb02SAdrian Chadd 789f4a3eb02SAdrian Chadd default: 790f4a3eb02SAdrian Chadd return (NULL); 791f4a3eb02SAdrian Chadd }; 792f4a3eb02SAdrian Chadd } 793f4a3eb02SAdrian Chadd 794f4a3eb02SAdrian Chadd static struct resource * 795f4a3eb02SAdrian Chadd chipc_alloc_resource(device_t dev, device_t child, int type, 796f4a3eb02SAdrian Chadd int *rid, rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) 797f4a3eb02SAdrian Chadd { 798f4a3eb02SAdrian Chadd struct chipc_softc *sc; 799f4a3eb02SAdrian Chadd struct chipc_region *cr; 800f4a3eb02SAdrian Chadd struct resource_list_entry *rle; 801f4a3eb02SAdrian Chadd struct resource *rv; 802f4a3eb02SAdrian Chadd struct rman *rm; 803f4a3eb02SAdrian Chadd int error; 804f4a3eb02SAdrian Chadd bool passthrough, isdefault; 805f4a3eb02SAdrian Chadd 806f4a3eb02SAdrian Chadd sc = device_get_softc(dev); 807f4a3eb02SAdrian Chadd passthrough = (device_get_parent(child) != dev); 808f4a3eb02SAdrian Chadd isdefault = RMAN_IS_DEFAULT_RANGE(start, end); 809f4a3eb02SAdrian Chadd rle = NULL; 810f4a3eb02SAdrian Chadd 811f4a3eb02SAdrian Chadd /* Fetch the resource manager, delegate request if necessary */ 812f4a3eb02SAdrian Chadd rm = chipc_get_rman(sc, type); 813f4a3eb02SAdrian Chadd if (rm == NULL) { 814f4a3eb02SAdrian Chadd /* Requested resource type is delegated to our parent */ 815f4a3eb02SAdrian Chadd rv = bus_generic_rl_alloc_resource(dev, child, type, rid, 816f4a3eb02SAdrian Chadd start, end, count, flags); 817f4a3eb02SAdrian Chadd return (rv); 818f4a3eb02SAdrian Chadd } 819f4a3eb02SAdrian Chadd 820f4a3eb02SAdrian Chadd /* Populate defaults */ 821f4a3eb02SAdrian Chadd if (!passthrough && isdefault) { 822f4a3eb02SAdrian Chadd /* Fetch the resource list entry. */ 823f4a3eb02SAdrian Chadd rle = resource_list_find(BUS_GET_RESOURCE_LIST(dev, child), 824f4a3eb02SAdrian Chadd type, *rid); 825f4a3eb02SAdrian Chadd if (rle == NULL) { 826f4a3eb02SAdrian Chadd device_printf(dev, 827f4a3eb02SAdrian Chadd "default resource %#x type %d for child %s " 828f4a3eb02SAdrian Chadd "not found\n", *rid, type, 829f4a3eb02SAdrian Chadd device_get_nameunit(child)); 830f4a3eb02SAdrian Chadd return (NULL); 831f4a3eb02SAdrian Chadd } 832f4a3eb02SAdrian Chadd 833f4a3eb02SAdrian Chadd if (rle->res != NULL) { 834f4a3eb02SAdrian Chadd device_printf(dev, 8352b693a88SLandon J. Fuller "resource entry %#x type %d for child %s is busy " 8362b693a88SLandon J. Fuller "[%d]\n", 8372b693a88SLandon J. Fuller *rid, type, device_get_nameunit(child), 8382b693a88SLandon J. Fuller rman_get_flags(rle->res)); 839f4a3eb02SAdrian Chadd 840f4a3eb02SAdrian Chadd return (NULL); 841f4a3eb02SAdrian Chadd } 842f4a3eb02SAdrian Chadd 843f4a3eb02SAdrian Chadd start = rle->start; 844f4a3eb02SAdrian Chadd end = rle->end; 845f4a3eb02SAdrian Chadd count = ulmax(count, rle->count); 846f4a3eb02SAdrian Chadd } 847f4a3eb02SAdrian Chadd 848f4a3eb02SAdrian Chadd /* Locate a mapping region */ 849f4a3eb02SAdrian Chadd if ((cr = chipc_find_region(sc, start, end)) == NULL) { 850f4a3eb02SAdrian Chadd /* Resource requests outside our shared port regions can be 851f4a3eb02SAdrian Chadd * delegated to our parent. */ 852f4a3eb02SAdrian Chadd rv = bus_generic_rl_alloc_resource(dev, child, type, rid, 853f4a3eb02SAdrian Chadd start, end, count, flags); 854f4a3eb02SAdrian Chadd return (rv); 855f4a3eb02SAdrian Chadd } 856f4a3eb02SAdrian Chadd 8572f909a9fSLandon J. Fuller /* 8582f909a9fSLandon J. Fuller * As a special case, children that map the complete ChipCommon register 8592f909a9fSLandon J. Fuller * block are delegated to our parent. 8602f909a9fSLandon J. Fuller * 8612f909a9fSLandon J. Fuller * The rman API does not support sharing resources that are not 8622f909a9fSLandon J. Fuller * identical in size; since we allocate subregions to various children, 8632f909a9fSLandon J. Fuller * any children that need to map the entire register block (e.g. because 8642f909a9fSLandon J. Fuller * they require access to discontiguous register ranges) must make the 8652f909a9fSLandon J. Fuller * allocation through our parent, where we hold a compatible 8662f909a9fSLandon J. Fuller * RF_SHAREABLE allocation. 8672f909a9fSLandon J. Fuller */ 8682f909a9fSLandon J. Fuller if (cr == sc->core_region && cr->cr_addr == start && 8692f909a9fSLandon J. Fuller cr->cr_end == end && cr->cr_count == count) 8702f909a9fSLandon J. Fuller { 8712f909a9fSLandon J. Fuller rv = bus_generic_rl_alloc_resource(dev, child, type, rid, 8722f909a9fSLandon J. Fuller start, end, count, flags); 8732f909a9fSLandon J. Fuller return (rv); 8742f909a9fSLandon J. Fuller } 8752f909a9fSLandon J. Fuller 876f4a3eb02SAdrian Chadd /* Try to retain a region reference */ 8777d1fb1aaSLandon J. Fuller if ((error = chipc_retain_region(sc, cr, RF_ALLOCATED))) 878f4a3eb02SAdrian Chadd return (NULL); 879f4a3eb02SAdrian Chadd 880f4a3eb02SAdrian Chadd /* Make our rman reservation */ 881f4a3eb02SAdrian Chadd rv = rman_reserve_resource(rm, start, end, count, flags & ~RF_ACTIVE, 882f4a3eb02SAdrian Chadd child); 883f4a3eb02SAdrian Chadd if (rv == NULL) { 884f4a3eb02SAdrian Chadd chipc_release_region(sc, cr, RF_ALLOCATED); 885f4a3eb02SAdrian Chadd return (NULL); 886f4a3eb02SAdrian Chadd } 887f4a3eb02SAdrian Chadd 888f4a3eb02SAdrian Chadd rman_set_rid(rv, *rid); 889f4a3eb02SAdrian Chadd 890f4a3eb02SAdrian Chadd /* Activate */ 891f4a3eb02SAdrian Chadd if (flags & RF_ACTIVE) { 892f4a3eb02SAdrian Chadd error = bus_activate_resource(child, type, *rid, rv); 893f4a3eb02SAdrian Chadd if (error) { 894f4a3eb02SAdrian Chadd device_printf(dev, 895f4a3eb02SAdrian Chadd "failed to activate entry %#x type %d for " 896f4a3eb02SAdrian Chadd "child %s: %d\n", 897f4a3eb02SAdrian Chadd *rid, type, device_get_nameunit(child), error); 898f4a3eb02SAdrian Chadd 899f4a3eb02SAdrian Chadd chipc_release_region(sc, cr, RF_ALLOCATED); 900f4a3eb02SAdrian Chadd rman_release_resource(rv); 901f4a3eb02SAdrian Chadd 902f4a3eb02SAdrian Chadd return (NULL); 903f4a3eb02SAdrian Chadd } 904f4a3eb02SAdrian Chadd } 905f4a3eb02SAdrian Chadd 906f4a3eb02SAdrian Chadd /* Update child's resource list entry */ 907f4a3eb02SAdrian Chadd if (rle != NULL) { 908f4a3eb02SAdrian Chadd rle->res = rv; 909f4a3eb02SAdrian Chadd rle->start = rman_get_start(rv); 910f4a3eb02SAdrian Chadd rle->end = rman_get_end(rv); 911f4a3eb02SAdrian Chadd rle->count = rman_get_size(rv); 912f4a3eb02SAdrian Chadd } 913f4a3eb02SAdrian Chadd 914f4a3eb02SAdrian Chadd return (rv); 915f4a3eb02SAdrian Chadd } 916f4a3eb02SAdrian Chadd 917f4a3eb02SAdrian Chadd static int 918f4a3eb02SAdrian Chadd chipc_release_resource(device_t dev, device_t child, int type, int rid, 919f4a3eb02SAdrian Chadd struct resource *r) 920f4a3eb02SAdrian Chadd { 921f4a3eb02SAdrian Chadd struct chipc_softc *sc; 922f4a3eb02SAdrian Chadd struct chipc_region *cr; 923f4a3eb02SAdrian Chadd struct rman *rm; 9242b693a88SLandon J. Fuller struct resource_list_entry *rle; 925f4a3eb02SAdrian Chadd int error; 926f4a3eb02SAdrian Chadd 927f4a3eb02SAdrian Chadd sc = device_get_softc(dev); 928f4a3eb02SAdrian Chadd 929f4a3eb02SAdrian Chadd /* Handled by parent bus? */ 930f4a3eb02SAdrian Chadd rm = chipc_get_rman(sc, type); 931f4a3eb02SAdrian Chadd if (rm == NULL || !rman_is_region_manager(r, rm)) { 932f4a3eb02SAdrian Chadd return (bus_generic_rl_release_resource(dev, child, type, rid, 933f4a3eb02SAdrian Chadd r)); 934f4a3eb02SAdrian Chadd } 935f4a3eb02SAdrian Chadd 936f4a3eb02SAdrian Chadd /* Locate the mapping region */ 937f4a3eb02SAdrian Chadd cr = chipc_find_region(sc, rman_get_start(r), rman_get_end(r)); 938f4a3eb02SAdrian Chadd if (cr == NULL) 939f4a3eb02SAdrian Chadd return (EINVAL); 940f4a3eb02SAdrian Chadd 941f4a3eb02SAdrian Chadd /* Deactivate resources */ 942f4a3eb02SAdrian Chadd if (rman_get_flags(r) & RF_ACTIVE) { 943f4a3eb02SAdrian Chadd error = BUS_DEACTIVATE_RESOURCE(dev, child, type, rid, r); 944f4a3eb02SAdrian Chadd if (error) 945f4a3eb02SAdrian Chadd return (error); 946f4a3eb02SAdrian Chadd } 947f4a3eb02SAdrian Chadd 948f4a3eb02SAdrian Chadd if ((error = rman_release_resource(r))) 949f4a3eb02SAdrian Chadd return (error); 950f4a3eb02SAdrian Chadd 951f4a3eb02SAdrian Chadd /* Drop allocation reference */ 952f4a3eb02SAdrian Chadd chipc_release_region(sc, cr, RF_ALLOCATED); 953f4a3eb02SAdrian Chadd 9542b693a88SLandon J. Fuller /* Clear reference from the resource list entry if exists */ 9552b693a88SLandon J. Fuller rle = resource_list_find(BUS_GET_RESOURCE_LIST(dev, child), type, rid); 9562b693a88SLandon J. Fuller if (rle != NULL) 9572b693a88SLandon J. Fuller rle->res = NULL; 9582b693a88SLandon J. Fuller 959f4a3eb02SAdrian Chadd return (0); 960f4a3eb02SAdrian Chadd } 961f4a3eb02SAdrian Chadd 962f4a3eb02SAdrian Chadd static int 963f4a3eb02SAdrian Chadd chipc_adjust_resource(device_t dev, device_t child, int type, 964f4a3eb02SAdrian Chadd struct resource *r, rman_res_t start, rman_res_t end) 965f4a3eb02SAdrian Chadd { 966f4a3eb02SAdrian Chadd struct chipc_softc *sc; 967f4a3eb02SAdrian Chadd struct chipc_region *cr; 968f4a3eb02SAdrian Chadd struct rman *rm; 969f4a3eb02SAdrian Chadd 970f4a3eb02SAdrian Chadd sc = device_get_softc(dev); 971f4a3eb02SAdrian Chadd 972f4a3eb02SAdrian Chadd /* Handled by parent bus? */ 973f4a3eb02SAdrian Chadd rm = chipc_get_rman(sc, type); 974f4a3eb02SAdrian Chadd if (rm == NULL || !rman_is_region_manager(r, rm)) { 975f4a3eb02SAdrian Chadd return (bus_generic_adjust_resource(dev, child, type, r, start, 976f4a3eb02SAdrian Chadd end)); 977f4a3eb02SAdrian Chadd } 978f4a3eb02SAdrian Chadd 979f4a3eb02SAdrian Chadd /* The range is limited to the existing region mapping */ 980f4a3eb02SAdrian Chadd cr = chipc_find_region(sc, rman_get_start(r), rman_get_end(r)); 981f4a3eb02SAdrian Chadd if (cr == NULL) 982f4a3eb02SAdrian Chadd return (EINVAL); 983f4a3eb02SAdrian Chadd 984f4a3eb02SAdrian Chadd if (end <= start) 985f4a3eb02SAdrian Chadd return (EINVAL); 986f4a3eb02SAdrian Chadd 987f4a3eb02SAdrian Chadd if (start < cr->cr_addr || end > cr->cr_end) 988f4a3eb02SAdrian Chadd return (EINVAL); 989f4a3eb02SAdrian Chadd 990f4a3eb02SAdrian Chadd /* Range falls within the existing region */ 991f4a3eb02SAdrian Chadd return (rman_adjust_resource(r, start, end)); 992f4a3eb02SAdrian Chadd } 993f4a3eb02SAdrian Chadd 994f4a3eb02SAdrian Chadd /** 995f4a3eb02SAdrian Chadd * Retain an RF_ACTIVE reference to the region mapping @p r, and 996f4a3eb02SAdrian Chadd * configure @p r with its subregion values. 997f4a3eb02SAdrian Chadd * 998f4a3eb02SAdrian Chadd * @param sc Driver instance state. 999f4a3eb02SAdrian Chadd * @param child Requesting child device. 1000f4a3eb02SAdrian Chadd * @param type resource type of @p r. 1001f4a3eb02SAdrian Chadd * @param rid resource id of @p r 1002f4a3eb02SAdrian Chadd * @param r resource to be activated. 1003f4a3eb02SAdrian Chadd * @param req_direct If true, failure to allocate a direct bhnd resource 1004f4a3eb02SAdrian Chadd * will be treated as an error. If false, the resource will not be marked 1005f4a3eb02SAdrian Chadd * as RF_ACTIVE if bhnd direct resource allocation fails. 1006f4a3eb02SAdrian Chadd */ 1007f4a3eb02SAdrian Chadd static int 1008f4a3eb02SAdrian Chadd chipc_try_activate_resource(struct chipc_softc *sc, device_t child, int type, 1009f4a3eb02SAdrian Chadd int rid, struct resource *r, bool req_direct) 1010f4a3eb02SAdrian Chadd { 1011f4a3eb02SAdrian Chadd struct rman *rm; 1012f4a3eb02SAdrian Chadd struct chipc_region *cr; 1013f4a3eb02SAdrian Chadd bhnd_size_t cr_offset; 1014f4a3eb02SAdrian Chadd rman_res_t r_start, r_end, r_size; 1015f4a3eb02SAdrian Chadd int error; 1016f4a3eb02SAdrian Chadd 1017f4a3eb02SAdrian Chadd rm = chipc_get_rman(sc, type); 1018f4a3eb02SAdrian Chadd if (rm == NULL || !rman_is_region_manager(r, rm)) 1019f4a3eb02SAdrian Chadd return (EINVAL); 1020f4a3eb02SAdrian Chadd 1021f4a3eb02SAdrian Chadd r_start = rman_get_start(r); 1022f4a3eb02SAdrian Chadd r_end = rman_get_end(r); 1023f4a3eb02SAdrian Chadd r_size = rman_get_size(r); 1024f4a3eb02SAdrian Chadd 1025f4a3eb02SAdrian Chadd /* Find the corresponding chipc region */ 1026f4a3eb02SAdrian Chadd cr = chipc_find_region(sc, r_start, r_end); 1027f4a3eb02SAdrian Chadd if (cr == NULL) 1028f4a3eb02SAdrian Chadd return (EINVAL); 1029f4a3eb02SAdrian Chadd 1030f4a3eb02SAdrian Chadd /* Calculate subregion offset within the chipc region */ 1031f4a3eb02SAdrian Chadd cr_offset = r_start - cr->cr_addr; 1032f4a3eb02SAdrian Chadd 1033f4a3eb02SAdrian Chadd /* Retain (and activate, if necessary) the chipc region */ 1034f4a3eb02SAdrian Chadd if ((error = chipc_retain_region(sc, cr, RF_ACTIVE))) 1035f4a3eb02SAdrian Chadd return (error); 1036f4a3eb02SAdrian Chadd 1037f4a3eb02SAdrian Chadd /* Configure child resource with its subregion values. */ 1038f4a3eb02SAdrian Chadd if (cr->cr_res->direct) { 1039f4a3eb02SAdrian Chadd error = chipc_init_child_resource(r, cr->cr_res->res, 1040f4a3eb02SAdrian Chadd cr_offset, r_size); 1041f4a3eb02SAdrian Chadd if (error) 1042f4a3eb02SAdrian Chadd goto cleanup; 1043f4a3eb02SAdrian Chadd 1044f4a3eb02SAdrian Chadd /* Mark active */ 1045f4a3eb02SAdrian Chadd if ((error = rman_activate_resource(r))) 1046f4a3eb02SAdrian Chadd goto cleanup; 1047f4a3eb02SAdrian Chadd } else if (req_direct) { 1048f4a3eb02SAdrian Chadd error = ENOMEM; 1049f4a3eb02SAdrian Chadd goto cleanup; 1050f4a3eb02SAdrian Chadd } 1051f4a3eb02SAdrian Chadd 1052f4a3eb02SAdrian Chadd return (0); 1053f4a3eb02SAdrian Chadd 1054f4a3eb02SAdrian Chadd cleanup: 1055f4a3eb02SAdrian Chadd chipc_release_region(sc, cr, RF_ACTIVE); 1056f4a3eb02SAdrian Chadd return (error); 1057f4a3eb02SAdrian Chadd } 1058f4a3eb02SAdrian Chadd 1059f4a3eb02SAdrian Chadd static int 1060f4a3eb02SAdrian Chadd chipc_activate_bhnd_resource(device_t dev, device_t child, int type, 1061f4a3eb02SAdrian Chadd int rid, struct bhnd_resource *r) 1062f4a3eb02SAdrian Chadd { 1063f4a3eb02SAdrian Chadd struct chipc_softc *sc; 1064f4a3eb02SAdrian Chadd struct rman *rm; 1065f4a3eb02SAdrian Chadd int error; 1066f4a3eb02SAdrian Chadd 1067f4a3eb02SAdrian Chadd sc = device_get_softc(dev); 1068f4a3eb02SAdrian Chadd 1069f4a3eb02SAdrian Chadd /* Delegate non-locally managed resources to parent */ 1070f4a3eb02SAdrian Chadd rm = chipc_get_rman(sc, type); 1071f4a3eb02SAdrian Chadd if (rm == NULL || !rman_is_region_manager(r->res, rm)) { 1072f4a3eb02SAdrian Chadd return (bhnd_bus_generic_activate_resource(dev, child, type, 1073f4a3eb02SAdrian Chadd rid, r)); 1074f4a3eb02SAdrian Chadd } 1075f4a3eb02SAdrian Chadd 1076f4a3eb02SAdrian Chadd /* Try activating the chipc region resource */ 1077f4a3eb02SAdrian Chadd error = chipc_try_activate_resource(sc, child, type, rid, r->res, 1078f4a3eb02SAdrian Chadd false); 1079f4a3eb02SAdrian Chadd if (error) 1080f4a3eb02SAdrian Chadd return (error); 1081f4a3eb02SAdrian Chadd 1082f4a3eb02SAdrian Chadd /* Mark the child resource as direct according to the returned resource 1083f4a3eb02SAdrian Chadd * state */ 1084f4a3eb02SAdrian Chadd if (rman_get_flags(r->res) & RF_ACTIVE) 1085f4a3eb02SAdrian Chadd r->direct = true; 1086f4a3eb02SAdrian Chadd 1087f4a3eb02SAdrian Chadd return (0); 1088f4a3eb02SAdrian Chadd } 1089f4a3eb02SAdrian Chadd 1090f4a3eb02SAdrian Chadd static int 1091f4a3eb02SAdrian Chadd chipc_activate_resource(device_t dev, device_t child, int type, int rid, 1092f4a3eb02SAdrian Chadd struct resource *r) 1093f4a3eb02SAdrian Chadd { 1094f4a3eb02SAdrian Chadd struct chipc_softc *sc; 1095f4a3eb02SAdrian Chadd struct rman *rm; 1096f4a3eb02SAdrian Chadd 1097f4a3eb02SAdrian Chadd sc = device_get_softc(dev); 1098f4a3eb02SAdrian Chadd 1099f4a3eb02SAdrian Chadd /* Delegate non-locally managed resources to parent */ 1100f4a3eb02SAdrian Chadd rm = chipc_get_rman(sc, type); 1101f4a3eb02SAdrian Chadd if (rm == NULL || !rman_is_region_manager(r, rm)) { 1102f4a3eb02SAdrian Chadd return (bus_generic_activate_resource(dev, child, type, rid, 1103f4a3eb02SAdrian Chadd r)); 1104f4a3eb02SAdrian Chadd } 1105f4a3eb02SAdrian Chadd 1106f4a3eb02SAdrian Chadd /* Try activating the chipc region-based resource */ 1107f4a3eb02SAdrian Chadd return (chipc_try_activate_resource(sc, child, type, rid, r, true)); 1108f4a3eb02SAdrian Chadd } 1109f4a3eb02SAdrian Chadd 1110f4a3eb02SAdrian Chadd /** 1111f4a3eb02SAdrian Chadd * Default bhndb(4) implementation of BUS_DEACTIVATE_RESOURCE(). 1112f4a3eb02SAdrian Chadd */ 1113f4a3eb02SAdrian Chadd static int 1114f4a3eb02SAdrian Chadd chipc_deactivate_resource(device_t dev, device_t child, int type, 1115f4a3eb02SAdrian Chadd int rid, struct resource *r) 1116f4a3eb02SAdrian Chadd { 1117f4a3eb02SAdrian Chadd struct chipc_softc *sc; 1118f4a3eb02SAdrian Chadd struct chipc_region *cr; 1119f4a3eb02SAdrian Chadd struct rman *rm; 1120f4a3eb02SAdrian Chadd int error; 1121f4a3eb02SAdrian Chadd 1122f4a3eb02SAdrian Chadd sc = device_get_softc(dev); 1123f4a3eb02SAdrian Chadd 1124f4a3eb02SAdrian Chadd /* Handled by parent bus? */ 1125f4a3eb02SAdrian Chadd rm = chipc_get_rman(sc, type); 1126f4a3eb02SAdrian Chadd if (rm == NULL || !rman_is_region_manager(r, rm)) { 1127f4a3eb02SAdrian Chadd return (bus_generic_deactivate_resource(dev, child, type, rid, 1128f4a3eb02SAdrian Chadd r)); 1129f4a3eb02SAdrian Chadd } 1130f4a3eb02SAdrian Chadd 1131f4a3eb02SAdrian Chadd /* Find the corresponding chipc region */ 1132f4a3eb02SAdrian Chadd cr = chipc_find_region(sc, rman_get_start(r), rman_get_end(r)); 1133f4a3eb02SAdrian Chadd if (cr == NULL) 1134f4a3eb02SAdrian Chadd return (EINVAL); 1135f4a3eb02SAdrian Chadd 1136f4a3eb02SAdrian Chadd /* Mark inactive */ 1137f4a3eb02SAdrian Chadd if ((error = rman_deactivate_resource(r))) 1138f4a3eb02SAdrian Chadd return (error); 1139f4a3eb02SAdrian Chadd 1140f4a3eb02SAdrian Chadd /* Drop associated RF_ACTIVE reference */ 1141f4a3eb02SAdrian Chadd chipc_release_region(sc, cr, RF_ACTIVE); 1142f4a3eb02SAdrian Chadd 1143f4a3eb02SAdrian Chadd return (0); 1144f4a3eb02SAdrian Chadd } 1145f4a3eb02SAdrian Chadd 1146f4a3eb02SAdrian Chadd /** 1147f4a3eb02SAdrian Chadd * Examine bus state and make a best effort determination of whether it's 1148f4a3eb02SAdrian Chadd * likely safe to enable the muxed SPROM pins. 1149f4a3eb02SAdrian Chadd * 1150f4a3eb02SAdrian Chadd * On devices that do not use SPROM pin muxing, always returns true. 1151f4a3eb02SAdrian Chadd * 1152f4a3eb02SAdrian Chadd * @param sc chipc driver state. 1153f4a3eb02SAdrian Chadd */ 1154f4a3eb02SAdrian Chadd static bool 1155f90f4b65SLandon J. Fuller chipc_should_enable_muxed_sprom(struct chipc_softc *sc) 1156f4a3eb02SAdrian Chadd { 1157f4a3eb02SAdrian Chadd device_t *devs; 1158f4a3eb02SAdrian Chadd device_t hostb; 1159f4a3eb02SAdrian Chadd device_t parent; 1160f4a3eb02SAdrian Chadd int devcount; 1161f4a3eb02SAdrian Chadd int error; 1162f4a3eb02SAdrian Chadd bool result; 1163f4a3eb02SAdrian Chadd 1164f4a3eb02SAdrian Chadd /* Nothing to do? */ 1165f4a3eb02SAdrian Chadd if (!CHIPC_QUIRK(sc, MUX_SPROM)) 1166f4a3eb02SAdrian Chadd return (true); 1167f4a3eb02SAdrian Chadd 1168f90f4b65SLandon J. Fuller mtx_lock(&Giant); /* for newbus */ 1169f90f4b65SLandon J. Fuller 1170f4a3eb02SAdrian Chadd parent = device_get_parent(sc->dev); 11718e35bf83SLandon J. Fuller hostb = bhnd_bus_find_hostb_device(parent); 1172f4a3eb02SAdrian Chadd 1173f90f4b65SLandon J. Fuller if ((error = device_get_children(parent, &devs, &devcount))) { 1174f90f4b65SLandon J. Fuller mtx_unlock(&Giant); 1175f4a3eb02SAdrian Chadd return (false); 1176f90f4b65SLandon J. Fuller } 1177f4a3eb02SAdrian Chadd 1178f4a3eb02SAdrian Chadd /* Reject any active devices other than ChipCommon, or the 1179f4a3eb02SAdrian Chadd * host bridge (if any). */ 1180f4a3eb02SAdrian Chadd result = true; 1181f4a3eb02SAdrian Chadd for (int i = 0; i < devcount; i++) { 1182f4a3eb02SAdrian Chadd if (devs[i] == hostb || devs[i] == sc->dev) 1183f4a3eb02SAdrian Chadd continue; 1184f4a3eb02SAdrian Chadd 1185f4a3eb02SAdrian Chadd if (!device_is_attached(devs[i])) 1186f4a3eb02SAdrian Chadd continue; 1187f4a3eb02SAdrian Chadd 1188f4a3eb02SAdrian Chadd if (device_is_suspended(devs[i])) 1189f4a3eb02SAdrian Chadd continue; 1190f4a3eb02SAdrian Chadd 1191f4a3eb02SAdrian Chadd /* Active device; assume SPROM is busy */ 1192f4a3eb02SAdrian Chadd result = false; 1193f4a3eb02SAdrian Chadd break; 1194f4a3eb02SAdrian Chadd } 1195f4a3eb02SAdrian Chadd 1196f4a3eb02SAdrian Chadd free(devs, M_TEMP); 1197f90f4b65SLandon J. Fuller mtx_unlock(&Giant); 1198f4a3eb02SAdrian Chadd return (result); 1199f4a3eb02SAdrian Chadd } 1200e83ce340SAdrian Chadd 1201f90f4b65SLandon J. Fuller static int 1202f90f4b65SLandon J. Fuller chipc_enable_sprom(device_t dev) 1203f90f4b65SLandon J. Fuller { 1204f90f4b65SLandon J. Fuller struct chipc_softc *sc; 1205f90f4b65SLandon J. Fuller int error; 1206f90f4b65SLandon J. Fuller 1207f90f4b65SLandon J. Fuller sc = device_get_softc(dev); 1208f90f4b65SLandon J. Fuller CHIPC_LOCK(sc); 1209f90f4b65SLandon J. Fuller 1210f90f4b65SLandon J. Fuller /* Already enabled? */ 1211f90f4b65SLandon J. Fuller if (sc->sprom_refcnt >= 1) { 1212f90f4b65SLandon J. Fuller sc->sprom_refcnt++; 1213f90f4b65SLandon J. Fuller CHIPC_UNLOCK(sc); 1214f90f4b65SLandon J. Fuller 1215f90f4b65SLandon J. Fuller return (0); 1216f90f4b65SLandon J. Fuller } 1217f90f4b65SLandon J. Fuller 1218f90f4b65SLandon J. Fuller switch (sc->caps.nvram_src) { 1219f90f4b65SLandon J. Fuller case BHND_NVRAM_SRC_SPROM: 1220f90f4b65SLandon J. Fuller error = chipc_enable_sprom_pins(sc); 1221f90f4b65SLandon J. Fuller break; 1222f90f4b65SLandon J. Fuller case BHND_NVRAM_SRC_OTP: 1223f90f4b65SLandon J. Fuller error = chipc_enable_otp_power(sc); 1224f90f4b65SLandon J. Fuller break; 1225f90f4b65SLandon J. Fuller default: 1226f90f4b65SLandon J. Fuller error = 0; 1227f90f4b65SLandon J. Fuller break; 1228f90f4b65SLandon J. Fuller } 1229f90f4b65SLandon J. Fuller 1230f90f4b65SLandon J. Fuller /* Bump the reference count */ 1231f90f4b65SLandon J. Fuller if (error == 0) 1232f90f4b65SLandon J. Fuller sc->sprom_refcnt++; 1233f90f4b65SLandon J. Fuller 1234f90f4b65SLandon J. Fuller CHIPC_UNLOCK(sc); 1235f90f4b65SLandon J. Fuller return (error); 1236f90f4b65SLandon J. Fuller } 1237f90f4b65SLandon J. Fuller 1238f90f4b65SLandon J. Fuller static void 1239f90f4b65SLandon J. Fuller chipc_disable_sprom(device_t dev) 1240f90f4b65SLandon J. Fuller { 1241f90f4b65SLandon J. Fuller struct chipc_softc *sc; 1242f90f4b65SLandon J. Fuller 1243f90f4b65SLandon J. Fuller sc = device_get_softc(dev); 1244f90f4b65SLandon J. Fuller CHIPC_LOCK(sc); 1245f90f4b65SLandon J. Fuller 1246f90f4b65SLandon J. Fuller /* Check reference count, skip disable if in-use. */ 1247f90f4b65SLandon J. Fuller KASSERT(sc->sprom_refcnt > 0, ("sprom refcnt overrelease")); 1248f90f4b65SLandon J. Fuller sc->sprom_refcnt--; 1249f90f4b65SLandon J. Fuller if (sc->sprom_refcnt > 0) { 1250f90f4b65SLandon J. Fuller CHIPC_UNLOCK(sc); 1251f90f4b65SLandon J. Fuller return; 1252f90f4b65SLandon J. Fuller } 1253f90f4b65SLandon J. Fuller 1254f90f4b65SLandon J. Fuller switch (sc->caps.nvram_src) { 1255f90f4b65SLandon J. Fuller case BHND_NVRAM_SRC_SPROM: 1256f90f4b65SLandon J. Fuller chipc_disable_sprom_pins(sc); 1257f90f4b65SLandon J. Fuller break; 1258f90f4b65SLandon J. Fuller case BHND_NVRAM_SRC_OTP: 1259f90f4b65SLandon J. Fuller chipc_disable_otp_power(sc); 1260f90f4b65SLandon J. Fuller break; 1261f90f4b65SLandon J. Fuller default: 1262f90f4b65SLandon J. Fuller break; 1263f90f4b65SLandon J. Fuller } 1264f90f4b65SLandon J. Fuller 1265f90f4b65SLandon J. Fuller 1266f90f4b65SLandon J. Fuller CHIPC_UNLOCK(sc); 1267f90f4b65SLandon J. Fuller } 1268f90f4b65SLandon J. Fuller 1269f90f4b65SLandon J. Fuller static int 1270f90f4b65SLandon J. Fuller chipc_enable_otp_power(struct chipc_softc *sc) 1271f90f4b65SLandon J. Fuller { 1272f90f4b65SLandon J. Fuller // TODO: Enable OTP resource via PMU, and wait up to 100 usec for 1273f90f4b65SLandon J. Fuller // OTPS_READY to be set in `optstatus`. 1274f90f4b65SLandon J. Fuller return (0); 1275f90f4b65SLandon J. Fuller } 1276f90f4b65SLandon J. Fuller 1277f90f4b65SLandon J. Fuller static void 1278f90f4b65SLandon J. Fuller chipc_disable_otp_power(struct chipc_softc *sc) 1279f90f4b65SLandon J. Fuller { 1280f90f4b65SLandon J. Fuller // TODO: Disable OTP resource via PMU 1281f90f4b65SLandon J. Fuller } 1282f90f4b65SLandon J. Fuller 1283e83ce340SAdrian Chadd /** 1284e83ce340SAdrian Chadd * If required by this device, enable access to the SPROM. 1285e83ce340SAdrian Chadd * 1286e83ce340SAdrian Chadd * @param sc chipc driver state. 1287e83ce340SAdrian Chadd */ 1288e83ce340SAdrian Chadd static int 1289f90f4b65SLandon J. Fuller chipc_enable_sprom_pins(struct chipc_softc *sc) 1290e83ce340SAdrian Chadd { 1291e83ce340SAdrian Chadd uint32_t cctrl; 1292e83ce340SAdrian Chadd 1293f90f4b65SLandon J. Fuller CHIPC_LOCK_ASSERT(sc, MA_OWNED); 1294f90f4b65SLandon J. Fuller KASSERT(sc->sprom_refcnt == 0, ("sprom pins already enabled")); 1295e83ce340SAdrian Chadd 1296e83ce340SAdrian Chadd /* Nothing to do? */ 1297e83ce340SAdrian Chadd if (!CHIPC_QUIRK(sc, MUX_SPROM)) 1298e83ce340SAdrian Chadd return (0); 1299e83ce340SAdrian Chadd 1300f4a3eb02SAdrian Chadd /* Check whether bus is busy */ 1301f90f4b65SLandon J. Fuller if (!chipc_should_enable_muxed_sprom(sc)) 1302f90f4b65SLandon J. Fuller return (EBUSY); 1303f4a3eb02SAdrian Chadd 1304e83ce340SAdrian Chadd cctrl = bhnd_bus_read_4(sc->core, CHIPC_CHIPCTRL); 1305e83ce340SAdrian Chadd 1306e83ce340SAdrian Chadd /* 4331 devices */ 1307e83ce340SAdrian Chadd if (CHIPC_QUIRK(sc, 4331_EXTPA_MUX_SPROM)) { 1308e83ce340SAdrian Chadd cctrl &= ~CHIPC_CCTRL4331_EXTPA_EN; 1309e83ce340SAdrian Chadd 1310e83ce340SAdrian Chadd if (CHIPC_QUIRK(sc, 4331_GPIO2_5_MUX_SPROM)) 1311e83ce340SAdrian Chadd cctrl &= ~CHIPC_CCTRL4331_EXTPA_ON_GPIO2_5; 1312e83ce340SAdrian Chadd 1313e83ce340SAdrian Chadd if (CHIPC_QUIRK(sc, 4331_EXTPA2_MUX_SPROM)) 1314e83ce340SAdrian Chadd cctrl &= ~CHIPC_CCTRL4331_EXTPA_EN2; 1315e83ce340SAdrian Chadd 1316e83ce340SAdrian Chadd bhnd_bus_write_4(sc->core, CHIPC_CHIPCTRL, cctrl); 1317f90f4b65SLandon J. Fuller return (0); 1318e83ce340SAdrian Chadd } 1319e83ce340SAdrian Chadd 1320e83ce340SAdrian Chadd /* 4360 devices */ 1321e83ce340SAdrian Chadd if (CHIPC_QUIRK(sc, 4360_FEM_MUX_SPROM)) { 1322e83ce340SAdrian Chadd /* Unimplemented */ 1323e83ce340SAdrian Chadd } 1324e83ce340SAdrian Chadd 1325e83ce340SAdrian Chadd /* Refuse to proceed on unsupported devices with muxed SPROM pins */ 1326e83ce340SAdrian Chadd device_printf(sc->dev, "muxed sprom lines on unrecognized device\n"); 1327f90f4b65SLandon J. Fuller return (ENXIO); 1328e83ce340SAdrian Chadd } 1329e83ce340SAdrian Chadd 1330e83ce340SAdrian Chadd /** 1331e83ce340SAdrian Chadd * If required by this device, revert any GPIO/pin configuration applied 1332e83ce340SAdrian Chadd * to allow SPROM access. 1333e83ce340SAdrian Chadd * 1334e83ce340SAdrian Chadd * @param sc chipc driver state. 1335e83ce340SAdrian Chadd */ 1336f4a3eb02SAdrian Chadd static void 1337f90f4b65SLandon J. Fuller chipc_disable_sprom_pins(struct chipc_softc *sc) 1338e83ce340SAdrian Chadd { 1339e83ce340SAdrian Chadd uint32_t cctrl; 1340e83ce340SAdrian Chadd 1341e83ce340SAdrian Chadd /* Nothing to do? */ 1342e83ce340SAdrian Chadd if (!CHIPC_QUIRK(sc, MUX_SPROM)) 1343f4a3eb02SAdrian Chadd return; 1344f4a3eb02SAdrian Chadd 1345f90f4b65SLandon J. Fuller CHIPC_LOCK_ASSERT(sc, MA_OWNED); 1346315cf4daSLandon J. Fuller KASSERT(sc->sprom_refcnt == 0, ("sprom pins in use")); 1347e83ce340SAdrian Chadd 1348e83ce340SAdrian Chadd cctrl = bhnd_bus_read_4(sc->core, CHIPC_CHIPCTRL); 1349e83ce340SAdrian Chadd 1350e83ce340SAdrian Chadd /* 4331 devices */ 1351e83ce340SAdrian Chadd if (CHIPC_QUIRK(sc, 4331_EXTPA_MUX_SPROM)) { 1352e83ce340SAdrian Chadd cctrl |= CHIPC_CCTRL4331_EXTPA_EN; 1353e83ce340SAdrian Chadd 1354e83ce340SAdrian Chadd if (CHIPC_QUIRK(sc, 4331_GPIO2_5_MUX_SPROM)) 1355e83ce340SAdrian Chadd cctrl |= CHIPC_CCTRL4331_EXTPA_ON_GPIO2_5; 1356e83ce340SAdrian Chadd 1357e83ce340SAdrian Chadd if (CHIPC_QUIRK(sc, 4331_EXTPA2_MUX_SPROM)) 1358e83ce340SAdrian Chadd cctrl |= CHIPC_CCTRL4331_EXTPA_EN2; 1359e83ce340SAdrian Chadd 1360e83ce340SAdrian Chadd bhnd_bus_write_4(sc->core, CHIPC_CHIPCTRL, cctrl); 1361f90f4b65SLandon J. Fuller return; 1362e83ce340SAdrian Chadd } 1363e83ce340SAdrian Chadd 1364e83ce340SAdrian Chadd /* 4360 devices */ 1365e83ce340SAdrian Chadd if (CHIPC_QUIRK(sc, 4360_FEM_MUX_SPROM)) { 1366e83ce340SAdrian Chadd /* Unimplemented */ 1367e83ce340SAdrian Chadd } 1368f90f4b65SLandon J. Fuller } 1369e83ce340SAdrian Chadd 1370f90f4b65SLandon J. Fuller static uint32_t 1371f90f4b65SLandon J. Fuller chipc_read_chipst(device_t dev) 1372f90f4b65SLandon J. Fuller { 1373f90f4b65SLandon J. Fuller struct chipc_softc *sc = device_get_softc(dev); 1374f90f4b65SLandon J. Fuller return (bhnd_bus_read_4(sc->core, CHIPC_CHIPST)); 1375e83ce340SAdrian Chadd } 1376e83ce340SAdrian Chadd 13778ef24a0dSAdrian Chadd static void 13788ef24a0dSAdrian Chadd chipc_write_chipctrl(device_t dev, uint32_t value, uint32_t mask) 13798ef24a0dSAdrian Chadd { 13808ef24a0dSAdrian Chadd struct chipc_softc *sc; 13818ef24a0dSAdrian Chadd uint32_t cctrl; 13828ef24a0dSAdrian Chadd 13838ef24a0dSAdrian Chadd sc = device_get_softc(dev); 13848ef24a0dSAdrian Chadd 13858ef24a0dSAdrian Chadd CHIPC_LOCK(sc); 13868ef24a0dSAdrian Chadd 13878ef24a0dSAdrian Chadd cctrl = bhnd_bus_read_4(sc->core, CHIPC_CHIPCTRL); 13888ef24a0dSAdrian Chadd cctrl = (cctrl & ~mask) | (value | mask); 13898ef24a0dSAdrian Chadd bhnd_bus_write_4(sc->core, CHIPC_CHIPCTRL, cctrl); 13908ef24a0dSAdrian Chadd 13918ef24a0dSAdrian Chadd CHIPC_UNLOCK(sc); 13928ef24a0dSAdrian Chadd } 13938ef24a0dSAdrian Chadd 13942b693a88SLandon J. Fuller static struct chipc_caps * 13952b693a88SLandon J. Fuller chipc_get_caps(device_t dev) 13962b693a88SLandon J. Fuller { 13972b693a88SLandon J. Fuller struct chipc_softc *sc; 13982b693a88SLandon J. Fuller 13992b693a88SLandon J. Fuller sc = device_get_softc(dev); 14002b693a88SLandon J. Fuller return (&sc->caps); 14012b693a88SLandon J. Fuller } 14022b693a88SLandon J. Fuller 14034ad7e9b0SAdrian Chadd static device_method_t chipc_methods[] = { 14044ad7e9b0SAdrian Chadd /* Device interface */ 14054ad7e9b0SAdrian Chadd DEVMETHOD(device_probe, chipc_probe), 14064ad7e9b0SAdrian Chadd DEVMETHOD(device_attach, chipc_attach), 14074ad7e9b0SAdrian Chadd DEVMETHOD(device_detach, chipc_detach), 14084ad7e9b0SAdrian Chadd DEVMETHOD(device_suspend, chipc_suspend), 14094ad7e9b0SAdrian Chadd DEVMETHOD(device_resume, chipc_resume), 14104ad7e9b0SAdrian Chadd 1411f4a3eb02SAdrian Chadd /* Bus interface */ 1412f4a3eb02SAdrian Chadd DEVMETHOD(bus_probe_nomatch, chipc_probe_nomatch), 1413f4a3eb02SAdrian Chadd DEVMETHOD(bus_print_child, chipc_print_child), 1414f4a3eb02SAdrian Chadd DEVMETHOD(bus_child_pnpinfo_str, chipc_child_pnpinfo_str), 1415f4a3eb02SAdrian Chadd DEVMETHOD(bus_child_location_str, chipc_child_location_str), 1416f4a3eb02SAdrian Chadd 1417f4a3eb02SAdrian Chadd DEVMETHOD(bus_add_child, chipc_add_child), 1418f4a3eb02SAdrian Chadd DEVMETHOD(bus_child_deleted, chipc_child_deleted), 1419f4a3eb02SAdrian Chadd 1420f4a3eb02SAdrian Chadd DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource), 1421f4a3eb02SAdrian Chadd DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource), 1422f4a3eb02SAdrian Chadd DEVMETHOD(bus_delete_resource, bus_generic_rl_delete_resource), 1423f4a3eb02SAdrian Chadd DEVMETHOD(bus_alloc_resource, chipc_alloc_resource), 1424f4a3eb02SAdrian Chadd DEVMETHOD(bus_release_resource, chipc_release_resource), 1425f4a3eb02SAdrian Chadd DEVMETHOD(bus_adjust_resource, chipc_adjust_resource), 1426f4a3eb02SAdrian Chadd DEVMETHOD(bus_activate_resource, chipc_activate_resource), 1427f4a3eb02SAdrian Chadd DEVMETHOD(bus_deactivate_resource, chipc_deactivate_resource), 1428f4a3eb02SAdrian Chadd DEVMETHOD(bus_get_resource_list, chipc_get_resource_list), 1429f4a3eb02SAdrian Chadd 1430f4a3eb02SAdrian Chadd DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 1431f4a3eb02SAdrian Chadd DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 1432f4a3eb02SAdrian Chadd DEVMETHOD(bus_config_intr, bus_generic_config_intr), 1433f4a3eb02SAdrian Chadd DEVMETHOD(bus_bind_intr, bus_generic_bind_intr), 1434f4a3eb02SAdrian Chadd DEVMETHOD(bus_describe_intr, bus_generic_describe_intr), 1435f4a3eb02SAdrian Chadd 1436f4a3eb02SAdrian Chadd /* BHND bus inteface */ 1437f4a3eb02SAdrian Chadd DEVMETHOD(bhnd_bus_activate_resource, chipc_activate_bhnd_resource), 1438f4a3eb02SAdrian Chadd 14394ad7e9b0SAdrian Chadd /* ChipCommon interface */ 1440f90f4b65SLandon J. Fuller DEVMETHOD(bhnd_chipc_read_chipst, chipc_read_chipst), 14418ef24a0dSAdrian Chadd DEVMETHOD(bhnd_chipc_write_chipctrl, chipc_write_chipctrl), 1442f90f4b65SLandon J. Fuller DEVMETHOD(bhnd_chipc_enable_sprom, chipc_enable_sprom), 1443f90f4b65SLandon J. Fuller DEVMETHOD(bhnd_chipc_disable_sprom, chipc_disable_sprom), 14442b693a88SLandon J. Fuller DEVMETHOD(bhnd_chipc_get_caps, chipc_get_caps), 1445e83ce340SAdrian Chadd 14464ad7e9b0SAdrian Chadd DEVMETHOD_END 14474ad7e9b0SAdrian Chadd }; 14484ad7e9b0SAdrian Chadd 1449f90f4b65SLandon J. Fuller DEFINE_CLASS_0(bhnd_chipc, bhnd_chipc_driver, chipc_methods, sizeof(struct chipc_softc)); 1450f90f4b65SLandon J. Fuller EARLY_DRIVER_MODULE(bhnd_chipc, bhnd, bhnd_chipc_driver, bhnd_chipc_devclass, 0, 0, 1451e129bcd6SLandon J. Fuller BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE); 145296546b75SAdrian Chadd MODULE_DEPEND(bhnd_chipc, bhnd, 1, 1, 1); 14534ad7e9b0SAdrian Chadd MODULE_VERSION(bhnd_chipc, 1); 1454