Index: sys/arm/arm/gic.h =================================================================== --- /dev/null +++ sys/arm/arm/gic.h @@ -0,0 +1,101 @@ +/*- + * Copyright (c) 2011,2016 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Andrew Turner under + * sponsorship from the FreeBSD Foundation. + * + * Developed by Damjan Marion + * + * Based on OMAP4 GIC code by Ben Gray + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the company nor the name of the author may be used to + * endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _ARM_GIC_H_ +#define _ARM_GIC_H_ + +#define GIC_FIRST_SGI 0 /* Irqs 0-15 are SGIs/IPIs. */ +#define GIC_LAST_SGI 15 +#define GIC_FIRST_PPI 16 /* Irqs 16-31 are private (per */ +#define GIC_LAST_PPI 31 /* core) peripheral interrupts. */ +#define GIC_FIRST_SPI 32 /* Irqs 32+ are shared peripherals. */ + +#ifdef INTRNG +struct arm_gic_range { + uint64_t bus; + uint64_t host; + uint64_t size; +}; +#endif + +struct arm_gic_softc { + device_t gic_dev; +#ifdef INTRNG + void * gic_intrhand; + struct gic_irqsrc * gic_irqs; +#endif + struct resource * gic_res[3]; + bus_space_tag_t gic_c_bst; + bus_space_tag_t gic_d_bst; + bus_space_handle_t gic_c_bsh; + bus_space_handle_t gic_d_bsh; + uint8_t ver; + struct mtx mutex; + uint32_t nirqs; + uint32_t typer; +#ifdef GIC_DEBUG_SPURIOUS + uint32_t last_irq[MAXCPU]; +#endif + +#ifdef INTRNG + /* FDT child data */ + pcell_t addr_cells; + pcell_t size_cells; + int nranges; + struct arm_gic_range * ranges; +#endif +}; + +DECLARE_CLASS(arm_gic_driver); + +#ifdef INTRNG +struct arm_gicv2m_softc { + struct resource *sc_mem; + struct mtx sc_mutex; + uintptr_t sc_xref; + u_int sc_spi_start; + u_int sc_spi_end; + u_int sc_spi_count; +}; + +DECLARE_CLASS(arm_gicv2m_driver); +#endif + +int arm_gic_attach(device_t); +int arm_gicv2m_attach(device_t); +int arm_gic_intr(void *); + +#endif /* _ARM_GIC_H_ */ Index: sys/arm/arm/gic.c =================================================================== --- sys/arm/arm/gic.c +++ sys/arm/arm/gic.c @@ -31,6 +31,8 @@ * SUCH DAMAGE. */ +#define GIC_DEBUG_SPURIOUS + #include __FBSDID("$FreeBSD$"); @@ -62,17 +64,15 @@ #include #include -#include -#include #include +#include + #ifdef INTRNG #include "pic_if.h" #include "msi_if.h" #endif -#define GIC_DEBUG_SPURIOUS - /* We are using GICv2 register naming */ /* Distributor Registers */ @@ -102,12 +102,6 @@ #define GICC_ABPR 0x001C /* v1 ICCABPR */ #define GICC_IIDR 0x00FC /* v1 ICCIIDR*/ -#define GIC_FIRST_SGI 0 /* Irqs 0-15 are SGIs/IPIs. */ -#define GIC_LAST_SGI 15 -#define GIC_FIRST_PPI 16 /* Irqs 16-31 are private (per */ -#define GIC_LAST_PPI 31 /* core) peripheral interrupts. */ -#define GIC_FIRST_SPI 32 /* Irqs 32+ are shared peripherals. */ - /* TYPER Registers */ #define GICD_TYPER_SECURITYEXT 0x400 #define GIC_SUPPORT_SECEXT(_sc) \ @@ -141,58 +135,26 @@ }; static u_int gic_irq_cpu; -static int arm_gic_intr(void *); static int arm_gic_bind_intr(device_t dev, struct intr_irqsrc *isrc); #ifdef SMP static u_int sgi_to_ipi[GIC_LAST_SGI - GIC_FIRST_SGI + 1]; static u_int sgi_first_unused = GIC_FIRST_SGI; #endif -#endif - -#ifdef INTRNG -struct arm_gic_range { - uint64_t bus; - uint64_t host; - uint64_t size; -}; -struct arm_gic_devinfo { - struct ofw_bus_devinfo obdinfo; - struct resource_list rl; -}; -#endif - -struct arm_gic_softc { - device_t gic_dev; -#ifdef INTRNG - void * gic_intrhand; - struct gic_irqsrc * gic_irqs; -#endif - struct resource * gic_res[3]; - bus_space_tag_t gic_c_bst; - bus_space_tag_t gic_d_bst; - bus_space_handle_t gic_c_bsh; - bus_space_handle_t gic_d_bsh; - uint8_t ver; - struct mtx mutex; - uint32_t nirqs; - uint32_t typer; -#ifdef GIC_DEBUG_SPURIOUS - uint32_t last_irq[MAXCPU]; -#endif - -#ifdef INTRNG - /* FDT child data */ - pcell_t addr_cells; - pcell_t size_cells; - int nranges; - struct arm_gic_range * ranges; -#endif -}; - -#ifdef INTRNG #define GIC_INTR_ISRC(sc, irq) (&sc->gic_irqs[irq].gi_isrc) +#else /* !INTRNG */ +static struct ofw_compat_data compat_data[] = { + {"arm,gic", true}, /* Non-standard, used in FreeBSD dts. */ + {"arm,gic-400", true}, + {"arm,cortex-a15-gic", true}, + {"arm,cortex-a9-gic", true}, + {"arm,cortex-a7-gic", true}, + {"arm,arm11mp-gic", true}, + {"brcm,brahma-b15-gic", true}, + {"qcom,msm-qgic2", true}, + {NULL, false} +}; #endif static struct resource_spec arm_gic_spec[] = { @@ -225,31 +187,6 @@ static void gic_post_filter(void *); #endif -static struct ofw_compat_data compat_data[] = { - {"arm,gic", true}, /* Non-standard, used in FreeBSD dts. */ - {"arm,gic-400", true}, - {"arm,cortex-a15-gic", true}, - {"arm,cortex-a9-gic", true}, - {"arm,cortex-a7-gic", true}, - {"arm,arm11mp-gic", true}, - {"brcm,brahma-b15-gic", true}, - {"qcom,msm-qgic2", true}, - {NULL, false} -}; - -static int -arm_gic_probe(device_t dev) -{ - - if (!ofw_bus_status_okay(dev)) - return (ENXIO); - - if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data) - return (ENXIO); - device_set_desc(dev, "ARM Generic Interrupt Controller"); - return (BUS_PROBE_DEFAULT); -} - #ifdef INTRNG static inline void gic_irq_unmask(struct arm_gic_softc *sc, u_int irq) @@ -427,16 +364,6 @@ #endif #ifdef INTRNG -static inline intptr_t -gic_xref(device_t dev) -{ -#ifdef FDT - return (OF_xref_from_node(ofw_bus_get_node(dev))); -#else - return (0); -#endif -} - static int arm_gic_register_isrcs(struct arm_gic_softc *sc, uint32_t num) { @@ -477,107 +404,6 @@ return (0); } -static int -arm_gic_fill_ranges(phandle_t node, struct arm_gic_softc *sc) -{ - pcell_t host_cells; - cell_t *base_ranges; - ssize_t nbase_ranges; - int i, j, k; - - host_cells = 1; - OF_getencprop(OF_parent(node), "#address-cells", &host_cells, - sizeof(host_cells)); - sc->addr_cells = 2; - OF_getencprop(node, "#address-cells", &sc->addr_cells, - sizeof(sc->addr_cells)); - sc->size_cells = 2; - OF_getencprop(node, "#size-cells", &sc->size_cells, - sizeof(sc->size_cells)); - - nbase_ranges = OF_getproplen(node, "ranges"); - if (nbase_ranges < 0) - return (-1); - sc->nranges = nbase_ranges / sizeof(cell_t) / - (sc->addr_cells + host_cells + sc->size_cells); - if (sc->nranges == 0) - return (0); - - sc->ranges = malloc(sc->nranges * sizeof(sc->ranges[0]), - M_DEVBUF, M_WAITOK); - base_ranges = malloc(nbase_ranges, M_DEVBUF, M_WAITOK); - OF_getencprop(node, "ranges", base_ranges, nbase_ranges); - - for (i = 0, j = 0; i < sc->nranges; i++) { - sc->ranges[i].bus = 0; - for (k = 0; k < sc->addr_cells; k++) { - sc->ranges[i].bus <<= 32; - sc->ranges[i].bus |= base_ranges[j++]; - } - sc->ranges[i].host = 0; - for (k = 0; k < host_cells; k++) { - sc->ranges[i].host <<= 32; - sc->ranges[i].host |= base_ranges[j++]; - } - sc->ranges[i].size = 0; - for (k = 0; k < sc->size_cells; k++) { - sc->ranges[i].size <<= 32; - sc->ranges[i].size |= base_ranges[j++]; - } - } - - free(base_ranges, M_DEVBUF); - return (sc->nranges); -} - -static bool -arm_gic_add_children(device_t dev) -{ - struct arm_gic_softc *sc; - struct arm_gic_devinfo *dinfo; - phandle_t child, node; - device_t cdev; - - sc = device_get_softc(dev); - node = ofw_bus_get_node(dev); - - /* If we have no children don't probe for them */ - child = OF_child(node); - if (child == 0) - return (false); - - if (arm_gic_fill_ranges(node, sc) < 0) { - device_printf(dev, "Have a child, but no ranges\n"); - return (false); - } - - for (; child != 0; child = OF_peer(child)) { - dinfo = malloc(sizeof(*dinfo), M_DEVBUF, M_WAITOK | M_ZERO); - - if (ofw_bus_gen_setup_devinfo(&dinfo->obdinfo, child) != 0) { - free(dinfo, M_DEVBUF); - continue; - } - - resource_list_init(&dinfo->rl); - ofw_bus_reg_to_rl(dev, child, sc->addr_cells, - sc->size_cells, &dinfo->rl); - - cdev = device_add_child(dev, NULL, -1); - if (cdev == NULL) { - device_printf(dev, "<%s>: device_add_child failed\n", - dinfo->obdinfo.obd_name); - resource_list_free(&dinfo->rl); - ofw_bus_gen_destroy_devinfo(&dinfo->obdinfo); - free(dinfo, M_DEVBUF); - continue; - } - device_set_ivars(cdev, dinfo); - } - - return (true); -} - static void arm_gic_reserve_msi_range(device_t dev, u_int start, u_int count) { @@ -606,16 +432,12 @@ } #endif -static int +int arm_gic_attach(device_t dev) { struct arm_gic_softc *sc; int i; uint32_t icciidr, mask, nirqs; -#ifdef INTRNG - phandle_t pxref; - intptr_t xref = gic_xref(dev); -#endif if (gic_sc) return (ENXIO); @@ -704,56 +526,9 @@ /* Enable interrupt distribution */ gic_d_write_4(sc, GICD_CTLR, 0x01); -#ifndef INTRNG - return (0); -#else - /* - * Now, when everything is initialized, it's right time to - * register interrupt controller to interrupt framefork. - */ - if (intr_pic_register(dev, xref) == NULL) { - device_printf(dev, "could not register PIC\n"); - goto cleanup; - } - - /* - * Controller is root if: - * - doesn't have interrupt parent - * - his interrupt parent is this controller - */ - pxref = ofw_bus_find_iparent(ofw_bus_get_node(dev)); - if (pxref == 0 || xref == pxref) { - if (intr_pic_claim_root(dev, xref, arm_gic_intr, sc, - GIC_LAST_SGI - GIC_FIRST_SGI + 1) != 0) { - device_printf(dev, "could not set PIC as a root\n"); - intr_pic_deregister(dev, xref); - goto cleanup; - } - } else { - if (sc->gic_res[2] == NULL) { - device_printf(dev, - "not root PIC must have defined interrupt\n"); - intr_pic_deregister(dev, xref); - goto cleanup; - } - if (bus_setup_intr(dev, sc->gic_res[2], INTR_TYPE_CLK, - arm_gic_intr, NULL, sc, &sc->gic_intrhand)) { - device_printf(dev, "could not setup irq handler\n"); - intr_pic_deregister(dev, xref); - goto cleanup; - } - } - - OF_device_register_xref(xref, dev); - - /* If we have children probe and attach them */ - if (arm_gic_add_children(dev)) { - bus_generic_probe(dev); - return (bus_generic_attach(dev)); - } - return (0); +#ifdef INTRNG cleanup: /* * XXX - not implemented arm_gic_detach() should be called ! @@ -771,8 +546,8 @@ rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) { struct arm_gic_softc *sc; - struct arm_gic_devinfo *di; struct resource_list_entry *rle; + struct resource_list *rl; int j; KASSERT(type == SYS_RES_MEMORY, ("Invalid resoure type %x", type)); @@ -784,13 +559,12 @@ * list stored in the local device info. */ if (RMAN_IS_DEFAULT_RANGE(start, end)) { - if ((di = device_get_ivars(child)) == NULL) - return (NULL); + rl = BUS_GET_RESOURCE_LIST(bus, child); if (type == SYS_RES_IOPORT) type = SYS_RES_MEMORY; - rle = resource_list_find(&di->rl, type, *rid); + rle = resource_list_find(rl, type, *rid); if (rle == NULL) { if (bootverbose) device_printf(bus, "no default resources for " @@ -825,17 +599,7 @@ count, flags)); } -static const struct ofw_bus_devinfo * -arm_gic_ofw_get_devinfo(device_t bus __unused, device_t child) -{ - struct arm_gic_devinfo *di; - - di = device_get_ivars(child); - - return (&di->obdinfo); -} - -static int +int arm_gic_intr(void *arg) { struct arm_gic_softc *sc = arg; @@ -1494,10 +1258,6 @@ #endif /* INTRNG */ static device_method_t arm_gic_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, arm_gic_probe), - DEVMETHOD(device_attach, arm_gic_attach), - #ifdef INTRNG /* Bus interface */ DEVMETHOD(bus_add_child, bus_generic_add_child), @@ -1505,14 +1265,6 @@ DEVMETHOD(bus_release_resource, bus_generic_release_resource), DEVMETHOD(bus_activate_resource,bus_generic_activate_resource), - /* ofw_bus interface */ - DEVMETHOD(ofw_bus_get_devinfo, arm_gic_ofw_get_devinfo), - DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat), - DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model), - DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name), - DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node), - DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type), - /* Interrupt controller interface */ DEVMETHOD(pic_disable_intr, arm_gic_disable_intr), DEVMETHOD(pic_enable_intr, arm_gic_enable_intr), @@ -1532,18 +1284,8 @@ { 0, 0 } }; -static driver_t arm_gic_driver = { - "gic", - arm_gic_methods, - sizeof(struct arm_gic_softc), -}; - -static devclass_t arm_gic_devclass; - -EARLY_DRIVER_MODULE(gic, simplebus, arm_gic_driver, arm_gic_devclass, 0, 0, - BUS_PASS_INTERRUPT + BUS_PASS_ORDER_MIDDLE); -EARLY_DRIVER_MODULE(gic, ofwbus, arm_gic_driver, arm_gic_devclass, 0, 0, - BUS_PASS_INTERRUPT + BUS_PASS_ORDER_MIDDLE); +DEFINE_CLASS_0(gic, arm_gic_driver, arm_gic_methods, + sizeof(struct arm_gic_softc)); #ifdef INTRNG /* @@ -1556,34 +1298,7 @@ #define GICv2M_MSI_SETSPI_NS 0x040 #define GICV2M_MSI_IIDR 0xFCC -struct arm_gicv2m_softc { - struct resource *sc_mem; - struct mtx sc_mutex; - u_int sc_spi_start; - u_int sc_spi_end; - u_int sc_spi_count; -}; - -static struct ofw_compat_data gicv2m_compat_data[] = { - {"arm,gic-v2m-frame", true}, - {NULL, false} -}; - -static int -arm_gicv2m_probe(device_t dev) -{ - - if (!ofw_bus_status_okay(dev)) - return (ENXIO); - - if (!ofw_bus_search_compatible(dev, gicv2m_compat_data)->ocd_data) - return (ENXIO); - - device_set_desc(dev, "ARM Generic Interrupt Controller MSI/MSIX"); - return (BUS_PROBE_DEFAULT); -} - -static int +int arm_gicv2m_attach(device_t dev) { struct arm_gicv2m_softc *sc; @@ -1613,7 +1328,7 @@ mtx_init(&sc->sc_mutex, "GICv2m lock", "", MTX_DEF); - intr_msi_register(dev, gic_xref(dev)); + intr_msi_register(dev, sc->sc_xref); if (bootverbose) device_printf(dev, "using spi %u to %u\n", sc->sc_spi_start, @@ -1782,7 +1497,6 @@ static device_method_t arm_gicv2m_methods[] = { /* Device interface */ - DEVMETHOD(device_probe, arm_gicv2m_probe), DEVMETHOD(device_attach, arm_gicv2m_attach), /* MSI/MSI-X */ @@ -1798,9 +1512,4 @@ DEFINE_CLASS_0(gicv2m, arm_gicv2m_driver, arm_gicv2m_methods, sizeof(struct arm_gicv2m_softc)); - -static devclass_t arm_gicv2m_devclass; - -EARLY_DRIVER_MODULE(gicv2m, gic, arm_gicv2m_driver, - arm_gicv2m_devclass, 0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_MIDDLE); #endif Index: sys/arm/arm/gic_fdt.c =================================================================== --- /dev/null +++ sys/arm/arm/gic_fdt.c @@ -0,0 +1,374 @@ +/*- + * Copyright (c) 2011,2016 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Andrew Turner under + * sponsorship from the FreeBSD Foundation. + * + * Developed by Damjan Marion + * + * Based on OMAP4 GIC code by Ben Gray + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the company nor the name of the author may be used to + * endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "opt_platform.h" + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include + +#include + +#ifdef INTRNG +struct arm_gic_devinfo { + struct ofw_bus_devinfo obdinfo; + struct resource_list rl; +}; +#endif + +static device_probe_t gic_fdt_probe; +static device_attach_t gic_fdt_attach; +static ofw_bus_get_devinfo_t gic_ofw_get_devinfo; +#ifdef INTRNG +static bus_get_resource_list_t gic_fdt_get_resource_list; +static bool arm_gic_add_children(device_t); +#endif + +static struct ofw_compat_data compat_data[] = { + {"arm,gic", true}, /* Non-standard, used in FreeBSD dts. */ + {"arm,gic-400", true}, + {"arm,cortex-a15-gic", true}, + {"arm,cortex-a9-gic", true}, + {"arm,cortex-a7-gic", true}, + {"arm,arm11mp-gic", true}, + {"brcm,brahma-b15-gic", true}, + {"qcom,msm-qgic2", true}, + {NULL, false} +}; + +static device_method_t gic_fdt_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, gic_fdt_probe), + DEVMETHOD(device_attach, gic_fdt_attach), + +#ifdef INTRNG + /* Bus interface */ + DEVMETHOD(bus_get_resource_list,gic_fdt_get_resource_list), + + /* ofw_bus interface */ + DEVMETHOD(ofw_bus_get_devinfo, gic_ofw_get_devinfo), + DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat), + DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model), + DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name), + DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node), + DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type), +#endif + + DEVMETHOD_END, +}; + +DEFINE_CLASS_1(gic, gic_fdt_driver, gic_fdt_methods, + sizeof(struct arm_gic_softc), arm_gic_driver); + +static devclass_t gic_fdt_devclass; + +EARLY_DRIVER_MODULE(gic, simplebus, gic_fdt_driver, gic_fdt_devclass, 0, 0, + BUS_PASS_INTERRUPT + BUS_PASS_ORDER_MIDDLE); +EARLY_DRIVER_MODULE(gic, ofwbus, gic_fdt_driver, gic_fdt_devclass, 0, 0, + BUS_PASS_INTERRUPT + BUS_PASS_ORDER_MIDDLE); + +static int +gic_fdt_probe(device_t dev) +{ + + if (!ofw_bus_status_okay(dev)) + return (ENXIO); + + if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data) + return (ENXIO); + device_set_desc(dev, "ARM Generic Interrupt Controller"); + return (BUS_PROBE_DEFAULT); +} + +static int +gic_fdt_attach(device_t dev) +{ +#ifdef INTRNG + struct arm_gic_softc *sc = device_get_softc(dev); + phandle_t pxref; + intptr_t xref; +#endif + int err; + + err = arm_gic_attach(dev); + if (err != 0) + return (err); + +#ifdef INTRNG + xref = OF_xref_from_node(ofw_bus_get_node(dev)); + + /* + * Now, when everything is initialized, it's right time to + * register interrupt controller to interrupt framefork. + */ + if (intr_pic_register(dev, xref) == NULL) { + device_printf(dev, "could not register PIC\n"); + goto cleanup; + } + + /* + * Controller is root if: + * - doesn't have interrupt parent + * - his interrupt parent is this controller + */ + pxref = ofw_bus_find_iparent(ofw_bus_get_node(dev)); + if (pxref == 0 || xref == pxref) { + if (intr_pic_claim_root(dev, xref, arm_gic_intr, sc, + GIC_LAST_SGI - GIC_FIRST_SGI + 1) != 0) { + device_printf(dev, "could not set PIC as a root\n"); + intr_pic_deregister(dev, xref); + goto cleanup; + } + } else { + if (sc->gic_res[2] == NULL) { + device_printf(dev, + "not root PIC must have defined interrupt\n"); + intr_pic_deregister(dev, xref); + goto cleanup; + } + if (bus_setup_intr(dev, sc->gic_res[2], INTR_TYPE_CLK, + arm_gic_intr, NULL, sc, &sc->gic_intrhand)) { + device_printf(dev, "could not setup irq handler\n"); + intr_pic_deregister(dev, xref); + goto cleanup; + } + } + + OF_device_register_xref(xref, dev); + + /* If we have children probe and attach them */ + if (arm_gic_add_children(dev)) { + bus_generic_probe(dev); + return (bus_generic_attach(dev)); + } +#endif + + return (0); + +#ifdef INTRNG +cleanup: + /* + * XXX - not implemented arm_gic_detach() should be called ! + */ + if (sc->gic_irqs != NULL) + free(sc->gic_irqs, M_DEVBUF); + //bus_release_resources(dev, arm_gic_spec, sc->gic_res); + return(ENXIO); +#endif +} + +#ifdef INTRNG +static struct resource_list * +gic_fdt_get_resource_list(device_t bus, device_t child) +{ + struct arm_gic_devinfo *di; + + di = device_get_ivars(child); + KASSERT(di != NULL, ("gic_fdt_get_resource_list: No devinfo")); + + return (&di->rl); +} + +static int +arm_gic_fill_ranges(phandle_t node, struct arm_gic_softc *sc) +{ + pcell_t host_cells; + cell_t *base_ranges; + ssize_t nbase_ranges; + int i, j, k; + + host_cells = 1; + OF_getencprop(OF_parent(node), "#address-cells", &host_cells, + sizeof(host_cells)); + sc->addr_cells = 2; + OF_getencprop(node, "#address-cells", &sc->addr_cells, + sizeof(sc->addr_cells)); + sc->size_cells = 2; + OF_getencprop(node, "#size-cells", &sc->size_cells, + sizeof(sc->size_cells)); + + nbase_ranges = OF_getproplen(node, "ranges"); + if (nbase_ranges < 0) + return (-1); + sc->nranges = nbase_ranges / sizeof(cell_t) / + (sc->addr_cells + host_cells + sc->size_cells); + if (sc->nranges == 0) + return (0); + + sc->ranges = malloc(sc->nranges * sizeof(sc->ranges[0]), + M_DEVBUF, M_WAITOK); + base_ranges = malloc(nbase_ranges, M_DEVBUF, M_WAITOK); + OF_getencprop(node, "ranges", base_ranges, nbase_ranges); + + for (i = 0, j = 0; i < sc->nranges; i++) { + sc->ranges[i].bus = 0; + for (k = 0; k < sc->addr_cells; k++) { + sc->ranges[i].bus <<= 32; + sc->ranges[i].bus |= base_ranges[j++]; + } + sc->ranges[i].host = 0; + for (k = 0; k < host_cells; k++) { + sc->ranges[i].host <<= 32; + sc->ranges[i].host |= base_ranges[j++]; + } + sc->ranges[i].size = 0; + for (k = 0; k < sc->size_cells; k++) { + sc->ranges[i].size <<= 32; + sc->ranges[i].size |= base_ranges[j++]; + } + } + + free(base_ranges, M_DEVBUF); + return (sc->nranges); +} + +static bool +arm_gic_add_children(device_t dev) +{ + struct arm_gic_softc *sc; + struct arm_gic_devinfo *dinfo; + phandle_t child, node; + device_t cdev; + + sc = device_get_softc(dev); + node = ofw_bus_get_node(dev); + + /* If we have no children don't probe for them */ + child = OF_child(node); + if (child == 0) + return (false); + + if (arm_gic_fill_ranges(node, sc) < 0) { + device_printf(dev, "Have a child, but no ranges\n"); + return (false); + } + + for (; child != 0; child = OF_peer(child)) { + dinfo = malloc(sizeof(*dinfo), M_DEVBUF, M_WAITOK | M_ZERO); + + if (ofw_bus_gen_setup_devinfo(&dinfo->obdinfo, child) != 0) { + free(dinfo, M_DEVBUF); + continue; + } + + resource_list_init(&dinfo->rl); + ofw_bus_reg_to_rl(dev, child, sc->addr_cells, + sc->size_cells, &dinfo->rl); + + cdev = device_add_child(dev, NULL, -1); + if (cdev == NULL) { + device_printf(dev, "<%s>: device_add_child failed\n", + dinfo->obdinfo.obd_name); + resource_list_free(&dinfo->rl); + ofw_bus_gen_destroy_devinfo(&dinfo->obdinfo); + free(dinfo, M_DEVBUF); + continue; + } + device_set_ivars(cdev, dinfo); + } + + return (true); +} + +static const struct ofw_bus_devinfo * +gic_ofw_get_devinfo(device_t bus __unused, device_t child) +{ + struct arm_gic_devinfo *di; + + di = device_get_ivars(child); + + return (&di->obdinfo); +} + +static struct ofw_compat_data gicv2m_compat_data[] = { + {"arm,gic-v2m-frame", true}, + {NULL, false} +}; + +static int +arm_gicv2m_fdt_probe(device_t dev) +{ + + if (!ofw_bus_status_okay(dev)) + return (ENXIO); + + if (!ofw_bus_search_compatible(dev, gicv2m_compat_data)->ocd_data) + return (ENXIO); + + device_set_desc(dev, "ARM Generic Interrupt Controller MSI/MSIX"); + return (BUS_PROBE_DEFAULT); +} + +static int +arm_gicv2m_fdt_attach(device_t dev) +{ + struct arm_gicv2m_softc *sc; + + sc = device_get_softc(dev); + sc->sc_xref = OF_xref_from_node(ofw_bus_get_node(dev)); + + return (arm_gicv2m_attach(dev)); +} + +static device_method_t arm_gicv2m_fdt_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, arm_gicv2m_fdt_probe), + DEVMETHOD(device_attach, arm_gicv2m_fdt_attach), + + /* End */ + DEVMETHOD_END +}; + +DEFINE_CLASS_1(gicv2m, arm_gicv2m_fdt_driver, arm_gicv2m_fdt_methods, + sizeof(struct arm_gicv2m_softc), arm_gicv2m_driver); + +static devclass_t arm_gicv2m_devclass; + +EARLY_DRIVER_MODULE(gicv2m, gic, arm_gicv2m_driver, + arm_gicv2m_devclass, 0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_MIDDLE); +#endif Index: sys/conf/files.arm =================================================================== --- sys/conf/files.arm +++ sys/conf/files.arm @@ -40,6 +40,7 @@ arm/arm/gdb_machdep.c optional gdb arm/arm/generic_timer.c optional generic_timer arm/arm/gic.c optional gic +arm/arm/gic_fdt.c optional gic fdt arm/arm/hdmi_if.m optional hdmi arm/arm/identcpu.c standard arm/arm/in_cksum.c optional inet | inet6 Index: sys/conf/files.arm64 =================================================================== --- sys/conf/files.arm64 +++ sys/conf/files.arm64 @@ -1,6 +1,7 @@ # $FreeBSD$ arm/arm/generic_timer.c standard -arm/arm/gic.c optional intrng +arm/arm/gic.c standard +arm/arm/gic_fdt.c optional fdt arm/arm/pmu.c standard arm64/acpica/acpi_machdep.c optional acpi arm64/acpica/OsdEnvironment.c optional acpi