Index: head/sys/conf/files.arm64 =================================================================== --- head/sys/conf/files.arm64 (revision 284318) +++ head/sys/conf/files.arm64 (revision 284319) @@ -1,68 +1,68 @@ # $FreeBSD$ arm/arm/devmap.c standard arm/arm/generic_timer.c standard arm/arm/pmu.c standard arm64/acpica/acpi_machdep.c optional acpi arm64/acpica/OsdEnvironment.c optional acpi arm64/acpica/acpi_wakeup.c optional acpi arm64/arm64/autoconf.c standard arm64/arm64/bcopy.c standard arm64/arm64/bus_machdep.c standard arm64/arm64/bus_space_asm.S standard arm64/arm64/busdma_bounce.c standard arm64/arm64/busdma_machdep.c standard arm64/arm64/clock.c standard arm64/arm64/copyinout.S standard arm64/arm64/copystr.c standard arm64/arm64/cpufunc_asm.S standard arm64/arm64/db_disasm.c optional ddb arm64/arm64/db_interface.c optional ddb arm64/arm64/db_trace.c optional ddb arm64/arm64/debug_monitor.c optional kdb arm64/arm64/dump_machdep.c standard arm64/arm64/elf_machdep.c standard arm64/arm64/exception.S standard arm64/arm64/gic.c standard arm64/arm64/gic_acpi.c optional acpi arm64/arm64/gic_fdt.c optional fdt arm64/arm64/gic_v3.c standard arm64/arm64/gic_v3_fdt.c optional fdt arm64/arm64/identcpu.c standard arm64/arm64/intr_machdep.c standard arm64/arm64/in_cksum.c optional inet | inet6 arm64/arm64/locore.S standard no-obj arm64/arm64/machdep.c standard arm64/arm64/mem.c standard arm64/arm64/minidump_machdep.c standard arm64/arm64/nexus.c standard arm64/arm64/pic_if.m standard arm64/arm64/pmap.c standard arm64/arm64/stack_machdep.c standard arm64/arm64/support.S standard arm64/arm64/swtch.S standard arm64/arm64/sys_machdep.c standard arm64/arm64/trap.c standard arm64/arm64/uio_machdep.c standard arm64/arm64/unwind.c optional ddb | kdtrace_hooks arm64/arm64/vfp.c standard arm64/arm64/vm_machdep.c standard dev/acpica/acpi_if.m optional acpi dev/fdt/fdt_arm64.c optional fdt dev/hwpmc/hwpmc_arm64.c optional hwpmc dev/hwpmc/hwpmc_arm64_md.c optional hwpmc dev/ofw/ofw_cpu.c optional fdt -dev/pci/pci-host-generic.c optional pci fdt +dev/pci/pci_host_generic.c optional pci fdt dev/psci/psci.c optional psci dev/psci/psci_arm64.S optional psci dev/uart/uart_cpu_fdt.c optional uart fdt dev/uart/uart_dev_pl011.c optional uart pl011 kern/kern_clocksource.c standard kern/subr_dummy_vdso_tc.c standard libkern/bcmp.c standard libkern/ffs.c standard libkern/ffsl.c standard libkern/fls.c standard libkern/flsl.c standard libkern/flsll.c standard libkern/memmove.c standard libkern/memset.c standard Index: head/sys/dev/pci/pci-host-generic.c =================================================================== --- head/sys/dev/pci/pci-host-generic.c (revision 284318) +++ head/sys/dev/pci/pci-host-generic.c (nonexistent) @@ -1,626 +0,0 @@ -/*- - * Copyright (c) 2015 Ruslan Bukin - * Copyright (c) 2014 The FreeBSD Foundation - * All rights reserved. - * - * This software was developed by Semihalf under - * the sponsorship of the FreeBSD Foundation. - * - * 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. - * - * 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. - */ - -/* Generic ECAM PCIe driver */ - -#include -__FBSDID("$FreeBSD$"); - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "pcib_if.h" - -/* Assembling ECAM Configuration Address */ -#define PCIE_BUS_SHIFT 20 -#define PCIE_SLOT_SHIFT 15 -#define PCIE_FUNC_SHIFT 12 -#define PCIE_BUS_MASK 0xFF -#define PCIE_SLOT_MASK 0x1F -#define PCIE_FUNC_MASK 0x07 -#define PCIE_REG_MASK 0xFFF - -#define PCIE_ADDR_OFFSET(bus, slot, func, reg) \ - ((((bus) & PCIE_BUS_MASK) << PCIE_BUS_SHIFT) | \ - (((slot) & PCIE_SLOT_MASK) << PCIE_SLOT_SHIFT) | \ - (((func) & PCIE_FUNC_MASK) << PCIE_FUNC_SHIFT) | \ - ((reg) & PCIE_REG_MASK)) - -#define MAX_RANGES_TUPLES 5 -#define MIN_RANGES_TUPLES 2 - -#define PCI_IO_WINDOW_OFFSET 0x1000 -#define PCI_IRQ_START 32 -#define PCI_IRQ_END (PCI_IRQ_START + 4) - -#define SPACE_CODE_SHIFT 24 -#define SPACE_CODE_MASK 0x3 -#define SPACE_CODE_IO_SPACE 0x1 -#define PROPS_CELL_SIZE 1 -#define PCI_ADDR_CELL_SIZE 2 - -struct pcie_range { - uint64_t pci_base; - uint64_t phys_base; - uint64_t size; - uint64_t flags; -#define FLAG_IO (1 << 0) -#define FLAG_MEM (1 << 1) -}; - -struct generic_pcie_softc { - struct pcie_range ranges[MAX_RANGES_TUPLES]; - int nranges; - struct rman mem_rman; - struct rman io_rman; - struct rman irq_rman; - struct resource *res; - struct resource *res1; - int ecam; - bus_space_tag_t bst; - bus_space_handle_t bsh; - device_t dev; - bus_space_handle_t ioh; -}; - -/* Forward prototypes */ - -static int generic_pcie_probe(device_t dev); -static int generic_pcie_attach(device_t dev); -static int parse_pci_mem_ranges(struct generic_pcie_softc *sc); -static uint32_t generic_pcie_read_config(device_t dev, u_int bus, u_int slot, - u_int func, u_int reg, int bytes); -static void generic_pcie_write_config(device_t dev, u_int bus, u_int slot, - u_int func, u_int reg, uint32_t val, int bytes); -static int generic_pcie_maxslots(device_t dev); -static int generic_pcie_read_ivar(device_t dev, device_t child, int index, - uintptr_t *result); -static int generic_pcie_write_ivar(device_t dev, device_t child, int index, - uintptr_t value); -static struct resource *generic_pcie_alloc_resource(device_t dev, - device_t child, int type, int *rid, u_long start, u_long end, - u_long count, u_int flags); -static int generic_pcie_release_resource(device_t dev, device_t child, - int type, int rid, struct resource *res); - -static int -generic_pcie_probe(device_t dev) -{ - - if (!ofw_bus_status_okay(dev)) - return (ENXIO); - - if (ofw_bus_is_compatible(dev, "pci-host-ecam-generic")) { - device_set_desc(dev, "Generic PCI host controller"); - return (BUS_PROBE_DEFAULT); - } - - return (ENXIO); -} - -static int -generic_pcie_attach(device_t dev) -{ - struct generic_pcie_softc *sc; - uint64_t phys_base; - uint64_t pci_base; - uint64_t size; - int error; - int tuple; - int rid; - - sc = device_get_softc(dev); - sc->dev = dev; - - rid = 0; - sc->res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); - if (sc->res == NULL) { - device_printf(dev, "could not map memory.\n"); - return (ENXIO); - } - - sc->bst = rman_get_bustag(sc->res); - sc->bsh = rman_get_bushandle(sc->res); - - sc->mem_rman.rm_type = RMAN_ARRAY; - sc->mem_rman.rm_descr = "PCIe Memory"; - sc->io_rman.rm_type = RMAN_ARRAY; - sc->io_rman.rm_descr = "PCIe IO window"; - - /* Retrieve 'ranges' property from FDT */ - if (bootverbose) - device_printf(dev, "parsing FDT for ECAM%d:\n", - sc->ecam); - if (parse_pci_mem_ranges(sc)) - return (ENXIO); - - /* Initialize rman and allocate memory regions */ - error = rman_init(&sc->mem_rman); - if (error) { - device_printf(dev, "rman_init() failed. error = %d\n", error); - return (error); - } - - error = rman_init(&sc->io_rman); - if (error) { - device_printf(dev, "rman_init() failed. error = %d\n", error); - return (error); - } - - for (tuple = 0; tuple < MAX_RANGES_TUPLES; tuple++) { - phys_base = sc->ranges[tuple].phys_base; - pci_base = sc->ranges[tuple].pci_base; - size = sc->ranges[tuple].size; - if (phys_base == 0 || size == 0) - continue; /* empty range element */ - if (sc->ranges[tuple].flags & FLAG_MEM) { - error = rman_manage_region(&sc->mem_rman, - phys_base, - phys_base + size); - } else if (sc->ranges[tuple].flags & FLAG_IO) { - error = rman_manage_region(&sc->io_rman, - pci_base + PCI_IO_WINDOW_OFFSET, - pci_base + PCI_IO_WINDOW_OFFSET + size); - } else - continue; - if (error) { - device_printf(dev, "rman_manage_region() failed." - "error = %d\n", error); - rman_fini(&sc->mem_rman); - return (error); - } - } - - /* TODO: get IRQ numbers from FDT */ - sc->irq_rman.rm_type = RMAN_ARRAY; - sc->irq_rman.rm_descr = "Generic PCIe IRQs"; - if (rman_init(&sc->irq_rman) != 0 || - rman_manage_region(&sc->irq_rman, PCI_IRQ_START, - PCI_IRQ_END) != 0) { - panic("Generic PCI: failed to set up IRQ rman"); - } - - device_add_child(dev, "pci", -1); - return (bus_generic_attach(dev)); -} - -static int -parse_pci_mem_ranges(struct generic_pcie_softc *sc) -{ - pcell_t pci_addr_cells, parent_addr_cells; - pcell_t attributes, size_cells; - cell_t *base_ranges; - int nbase_ranges; - phandle_t node; - int i, j, k; - int tuple; - - node = ofw_bus_get_node(sc->dev); - - OF_getencprop(node, "#address-cells", &pci_addr_cells, - sizeof(pci_addr_cells)); - OF_getencprop(node, "#size-cells", &size_cells, - sizeof(size_cells)); - OF_getencprop(OF_parent(node), "#address-cells", &parent_addr_cells, - sizeof(parent_addr_cells)); - - if (parent_addr_cells != 2 || pci_addr_cells != 3 || size_cells != 2) { - device_printf(sc->dev, - "Unexpected number of address or size cells in FDT\n"); - return (ENXIO); - } - - nbase_ranges = OF_getproplen(node, "ranges"); - sc->nranges = nbase_ranges / sizeof(cell_t) / - (parent_addr_cells + pci_addr_cells + size_cells); - 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++) { - attributes = (base_ranges[j++] >> SPACE_CODE_SHIFT) & \ - SPACE_CODE_MASK; - if (attributes == SPACE_CODE_IO_SPACE) { - sc->ranges[i].flags |= FLAG_IO; - } else { - sc->ranges[i].flags |= FLAG_MEM; - } - - sc->ranges[i].pci_base = 0; - for (k = 0; k < (pci_addr_cells - 1); k++) { - sc->ranges[i].pci_base <<= 32; - sc->ranges[i].pci_base |= base_ranges[j++]; - } - sc->ranges[i].phys_base = 0; - for (k = 0; k < parent_addr_cells; k++) { - sc->ranges[i].phys_base <<= 32; - sc->ranges[i].phys_base |= base_ranges[j++]; - } - sc->ranges[i].size = 0; - for (k = 0; k < size_cells; k++) { - sc->ranges[i].size <<= 32; - sc->ranges[i].size |= base_ranges[j++]; - } - } - - for (; i < MAX_RANGES_TUPLES; i++) { - /* zero-fill remaining tuples to mark empty elements in array */ - sc->ranges[i].pci_base = 0; - sc->ranges[i].phys_base = 0; - sc->ranges[i].size = 0; - } - - if (bootverbose) { - for (tuple = 0; tuple < MAX_RANGES_TUPLES; tuple++) { - device_printf(sc->dev, - "\tPCI addr: 0x%jx, CPU addr: 0x%jx, Size: 0x%jx\n", - sc->ranges[tuple].pci_base, - sc->ranges[tuple].phys_base, - sc->ranges[tuple].size); - } - } - - free(base_ranges, M_DEVBUF); - return (0); -} - -static uint32_t -generic_pcie_read_config(device_t dev, u_int bus, u_int slot, - u_int func, u_int reg, int bytes) -{ - struct generic_pcie_softc *sc; - bus_space_handle_t h; - bus_space_tag_t t; - uint64_t offset; - uint32_t data; - - if (bus > 255 || slot > 31 || func > 7 || reg > 4095) - return (~0U); - - sc = device_get_softc(dev); - - offset = PCIE_ADDR_OFFSET(bus, slot, func, reg); - t = sc->bst; - h = sc->bsh; - - switch (bytes) { - case 1: - data = bus_space_read_1(t, h, offset); - break; - case 2: - data = le16toh(bus_space_read_2(t, h, offset)); - break; - case 4: - data = le32toh(bus_space_read_4(t, h, offset)); - break; - default: - return (~0U); - } - - if (reg == PCIR_INTLINE) { - data += PCI_IRQ_START; - } - - return (data); -} - -static void -generic_pcie_write_config(device_t dev, u_int bus, u_int slot, - u_int func, u_int reg, uint32_t val, int bytes) -{ - struct generic_pcie_softc *sc; - bus_space_handle_t h; - bus_space_tag_t t; - uint64_t offset; - - if (bus > 255 || slot > 31 || func > 7 || reg > 4095) - return; - - sc = device_get_softc(dev); - - offset = PCIE_ADDR_OFFSET(bus, slot, func, reg); - - t = sc->bst; - h = sc->bsh; - - switch (bytes) { - case 1: - bus_space_write_1(t, h, offset, val); - break; - case 2: - bus_space_write_2(t, h, offset, htole16(val)); - break; - case 4: - bus_space_write_4(t, h, offset, htole32(val)); - break; - default: - return; - } -} - -static int -generic_pcie_maxslots(device_t dev) -{ - - return (31); /* max slots per bus acc. to standard */ -} - -static int -generic_pcie_read_ivar(device_t dev, device_t child, int index, - uintptr_t *result) -{ - struct generic_pcie_softc *sc; - int secondary_bus; - - sc = device_get_softc(dev); - - if (index == PCIB_IVAR_BUS) { - /* this pcib adds only pci bus 0 as child */ - secondary_bus = 0; - *result = secondary_bus; - return (0); - - } - - if (index == PCIB_IVAR_DOMAIN) { - *result = sc->ecam; - return (0); - } - - device_printf(dev, "ERROR: Unknown index.\n"); - return (ENOENT); -} - -static int -generic_pcie_write_ivar(device_t dev, device_t child, int index, - uintptr_t value) -{ - - return (ENOENT); -} - -static struct rman * -generic_pcie_rman(struct generic_pcie_softc *sc, int type) -{ - - switch (type) { - case SYS_RES_IOPORT: - return (&sc->io_rman); - case SYS_RES_MEMORY: - return (&sc->mem_rman); - case SYS_RES_IRQ: - return (&sc->irq_rman); - default: - break; - } - - return (NULL); -} - -static int -generic_pcie_release_resource(device_t dev, device_t child, int type, - int rid, struct resource *res) -{ - struct generic_pcie_softc *sc; - struct rman *rm; - - sc = device_get_softc(dev); - - rm = generic_pcie_rman(sc, type); - if (rm != NULL) { - KASSERT(rman_is_region_manager(res, rm), ("rman mismatch")); - rman_release_resource(res); - } - - return (bus_generic_release_resource(dev, child, type, rid, res)); -} - -static struct resource * -generic_pcie_alloc_resource(device_t dev, device_t child, int type, int *rid, - u_long start, u_long end, u_long count, u_int flags) -{ - struct generic_pcie_softc *sc; - struct resource *res; - struct rman *rm; - - sc = device_get_softc(dev); - - rm = generic_pcie_rman(sc, type); - if (rm == NULL) - return (BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, - type, rid, start, end, count, flags)); - - if (bootverbose) { - device_printf(dev, - "rman_reserve_resource: start=%#lx, end=%#lx, count=%#lx\n", - start, end, count); - } - - res = rman_reserve_resource(rm, start, end, count, flags, child); - if (res == NULL) - goto fail; - - rman_set_rid(res, *rid); - - if (flags & RF_ACTIVE) - if (bus_activate_resource(child, type, *rid, res)) { - rman_release_resource(res); - goto fail; - } - - return (res); - -fail: - if (bootverbose) { - device_printf(dev, "%s FAIL: type=%d, rid=%d, " - "start=%016lx, end=%016lx, count=%016lx, flags=%x\n", - __func__, type, *rid, start, end, count, flags); - } - - return (NULL); -} - -static int -generic_pcie_adjust_resource(device_t dev, device_t child, int type, - struct resource *res, u_long start, u_long end) -{ - struct generic_pcie_softc *sc; - struct rman *rm; - - sc = device_get_softc(dev); - - rm = generic_pcie_rman(sc, type); - if (rm != NULL) - return (rman_adjust_resource(res, start, end)); - return (bus_generic_adjust_resource(dev, child, type, res, start, end)); -} - -static int -generic_pcie_activate_resource(device_t dev, device_t child, int type, int rid, - struct resource *r) -{ - struct generic_pcie_softc *sc; - uint64_t phys_base; - uint64_t pci_base; - uint64_t size; - int found; - int res; - int i; - - sc = device_get_softc(dev); - - if ((res = rman_activate_resource(r)) != 0) - return (res); - - switch(type) { - case SYS_RES_IOPORT: - found = 0; - for (i = 0; i < MAX_RANGES_TUPLES; i++) { - pci_base = sc->ranges[i].pci_base; - phys_base = sc->ranges[i].phys_base; - size = sc->ranges[i].size; - - if ((rid > pci_base) && (rid < (pci_base + size))) { - found = 1; - break; - } - } - if (found) { - rman_set_start(r, rman_get_start(r) + phys_base); - BUS_ACTIVATE_RESOURCE(device_get_parent(dev), child, - type, rid, r); - } else { - device_printf(dev, "Failed to activate IOPORT resource\n"); - res = 0; - } - break; - case SYS_RES_MEMORY: - BUS_ACTIVATE_RESOURCE(device_get_parent(dev), child, type, rid, r); - break; - default: - break; - } - - return (res); -} - -static int -generic_pcie_deactivate_resource(device_t dev, device_t child, int type, int rid, - struct resource *r) -{ - struct generic_pcie_softc *sc; - vm_offset_t vaddr; - int res; - - sc = device_get_softc(dev); - - if ((res = rman_deactivate_resource(r)) != 0) - return (res); - - switch(type) { - case SYS_RES_IOPORT: - case SYS_RES_MEMORY: - vaddr = (vm_offset_t)rman_get_virtual(r); - pmap_unmapdev(vaddr, rman_get_size(r)); - break; - default: - break; - } - - return (res); -} - -static device_method_t generic_pcie_methods[] = { - DEVMETHOD(device_probe, generic_pcie_probe), - DEVMETHOD(device_attach, generic_pcie_attach), - DEVMETHOD(bus_read_ivar, generic_pcie_read_ivar), - DEVMETHOD(bus_write_ivar, generic_pcie_write_ivar), - DEVMETHOD(bus_alloc_resource, generic_pcie_alloc_resource), - DEVMETHOD(bus_adjust_resource, generic_pcie_adjust_resource), - DEVMETHOD(bus_release_resource, generic_pcie_release_resource), - DEVMETHOD(bus_activate_resource, generic_pcie_activate_resource), - DEVMETHOD(bus_deactivate_resource, generic_pcie_deactivate_resource), - DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), - DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), - DEVMETHOD(pcib_maxslots, generic_pcie_maxslots), - DEVMETHOD(pcib_read_config, generic_pcie_read_config), - DEVMETHOD(pcib_write_config, generic_pcie_write_config), - DEVMETHOD_END -}; - -static driver_t generic_pcie_driver = { - "pcib", - generic_pcie_methods, - sizeof(struct generic_pcie_softc), -}; - -static devclass_t generic_pcie_devclass; - -DRIVER_MODULE(pcib, simplebus, generic_pcie_driver, -generic_pcie_devclass, 0, 0); -DRIVER_MODULE(pcib, ofwbus, generic_pcie_driver, -generic_pcie_devclass, 0, 0); Property changes on: head/sys/dev/pci/pci-host-generic.c ___________________________________________________________________ Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -FreeBSD=%H \ No newline at end of property Deleted: svn:mime-type ## -1 +0,0 ## -text/plain \ No newline at end of property Index: head/sys/dev/pci/pci_host_generic.c =================================================================== --- head/sys/dev/pci/pci_host_generic.c (nonexistent) +++ head/sys/dev/pci/pci_host_generic.c (revision 284319) @@ -0,0 +1,626 @@ +/*- + * Copyright (c) 2015 Ruslan Bukin + * Copyright (c) 2014 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Semihalf under + * the sponsorship of the FreeBSD Foundation. + * + * 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. + * + * 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. + */ + +/* Generic ECAM PCIe driver */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "pcib_if.h" + +/* Assembling ECAM Configuration Address */ +#define PCIE_BUS_SHIFT 20 +#define PCIE_SLOT_SHIFT 15 +#define PCIE_FUNC_SHIFT 12 +#define PCIE_BUS_MASK 0xFF +#define PCIE_SLOT_MASK 0x1F +#define PCIE_FUNC_MASK 0x07 +#define PCIE_REG_MASK 0xFFF + +#define PCIE_ADDR_OFFSET(bus, slot, func, reg) \ + ((((bus) & PCIE_BUS_MASK) << PCIE_BUS_SHIFT) | \ + (((slot) & PCIE_SLOT_MASK) << PCIE_SLOT_SHIFT) | \ + (((func) & PCIE_FUNC_MASK) << PCIE_FUNC_SHIFT) | \ + ((reg) & PCIE_REG_MASK)) + +#define MAX_RANGES_TUPLES 5 +#define MIN_RANGES_TUPLES 2 + +#define PCI_IO_WINDOW_OFFSET 0x1000 +#define PCI_IRQ_START 32 +#define PCI_IRQ_END (PCI_IRQ_START + 4) + +#define SPACE_CODE_SHIFT 24 +#define SPACE_CODE_MASK 0x3 +#define SPACE_CODE_IO_SPACE 0x1 +#define PROPS_CELL_SIZE 1 +#define PCI_ADDR_CELL_SIZE 2 + +struct pcie_range { + uint64_t pci_base; + uint64_t phys_base; + uint64_t size; + uint64_t flags; +#define FLAG_IO (1 << 0) +#define FLAG_MEM (1 << 1) +}; + +struct generic_pcie_softc { + struct pcie_range ranges[MAX_RANGES_TUPLES]; + int nranges; + struct rman mem_rman; + struct rman io_rman; + struct rman irq_rman; + struct resource *res; + struct resource *res1; + int ecam; + bus_space_tag_t bst; + bus_space_handle_t bsh; + device_t dev; + bus_space_handle_t ioh; +}; + +/* Forward prototypes */ + +static int generic_pcie_probe(device_t dev); +static int generic_pcie_attach(device_t dev); +static int parse_pci_mem_ranges(struct generic_pcie_softc *sc); +static uint32_t generic_pcie_read_config(device_t dev, u_int bus, u_int slot, + u_int func, u_int reg, int bytes); +static void generic_pcie_write_config(device_t dev, u_int bus, u_int slot, + u_int func, u_int reg, uint32_t val, int bytes); +static int generic_pcie_maxslots(device_t dev); +static int generic_pcie_read_ivar(device_t dev, device_t child, int index, + uintptr_t *result); +static int generic_pcie_write_ivar(device_t dev, device_t child, int index, + uintptr_t value); +static struct resource *generic_pcie_alloc_resource(device_t dev, + device_t child, int type, int *rid, u_long start, u_long end, + u_long count, u_int flags); +static int generic_pcie_release_resource(device_t dev, device_t child, + int type, int rid, struct resource *res); + +static int +generic_pcie_probe(device_t dev) +{ + + if (!ofw_bus_status_okay(dev)) + return (ENXIO); + + if (ofw_bus_is_compatible(dev, "pci-host-ecam-generic")) { + device_set_desc(dev, "Generic PCI host controller"); + return (BUS_PROBE_DEFAULT); + } + + return (ENXIO); +} + +static int +generic_pcie_attach(device_t dev) +{ + struct generic_pcie_softc *sc; + uint64_t phys_base; + uint64_t pci_base; + uint64_t size; + int error; + int tuple; + int rid; + + sc = device_get_softc(dev); + sc->dev = dev; + + rid = 0; + sc->res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); + if (sc->res == NULL) { + device_printf(dev, "could not map memory.\n"); + return (ENXIO); + } + + sc->bst = rman_get_bustag(sc->res); + sc->bsh = rman_get_bushandle(sc->res); + + sc->mem_rman.rm_type = RMAN_ARRAY; + sc->mem_rman.rm_descr = "PCIe Memory"; + sc->io_rman.rm_type = RMAN_ARRAY; + sc->io_rman.rm_descr = "PCIe IO window"; + + /* Retrieve 'ranges' property from FDT */ + if (bootverbose) + device_printf(dev, "parsing FDT for ECAM%d:\n", + sc->ecam); + if (parse_pci_mem_ranges(sc)) + return (ENXIO); + + /* Initialize rman and allocate memory regions */ + error = rman_init(&sc->mem_rman); + if (error) { + device_printf(dev, "rman_init() failed. error = %d\n", error); + return (error); + } + + error = rman_init(&sc->io_rman); + if (error) { + device_printf(dev, "rman_init() failed. error = %d\n", error); + return (error); + } + + for (tuple = 0; tuple < MAX_RANGES_TUPLES; tuple++) { + phys_base = sc->ranges[tuple].phys_base; + pci_base = sc->ranges[tuple].pci_base; + size = sc->ranges[tuple].size; + if (phys_base == 0 || size == 0) + continue; /* empty range element */ + if (sc->ranges[tuple].flags & FLAG_MEM) { + error = rman_manage_region(&sc->mem_rman, + phys_base, + phys_base + size); + } else if (sc->ranges[tuple].flags & FLAG_IO) { + error = rman_manage_region(&sc->io_rman, + pci_base + PCI_IO_WINDOW_OFFSET, + pci_base + PCI_IO_WINDOW_OFFSET + size); + } else + continue; + if (error) { + device_printf(dev, "rman_manage_region() failed." + "error = %d\n", error); + rman_fini(&sc->mem_rman); + return (error); + } + } + + /* TODO: get IRQ numbers from FDT */ + sc->irq_rman.rm_type = RMAN_ARRAY; + sc->irq_rman.rm_descr = "Generic PCIe IRQs"; + if (rman_init(&sc->irq_rman) != 0 || + rman_manage_region(&sc->irq_rman, PCI_IRQ_START, + PCI_IRQ_END) != 0) { + panic("Generic PCI: failed to set up IRQ rman"); + } + + device_add_child(dev, "pci", -1); + return (bus_generic_attach(dev)); +} + +static int +parse_pci_mem_ranges(struct generic_pcie_softc *sc) +{ + pcell_t pci_addr_cells, parent_addr_cells; + pcell_t attributes, size_cells; + cell_t *base_ranges; + int nbase_ranges; + phandle_t node; + int i, j, k; + int tuple; + + node = ofw_bus_get_node(sc->dev); + + OF_getencprop(node, "#address-cells", &pci_addr_cells, + sizeof(pci_addr_cells)); + OF_getencprop(node, "#size-cells", &size_cells, + sizeof(size_cells)); + OF_getencprop(OF_parent(node), "#address-cells", &parent_addr_cells, + sizeof(parent_addr_cells)); + + if (parent_addr_cells != 2 || pci_addr_cells != 3 || size_cells != 2) { + device_printf(sc->dev, + "Unexpected number of address or size cells in FDT\n"); + return (ENXIO); + } + + nbase_ranges = OF_getproplen(node, "ranges"); + sc->nranges = nbase_ranges / sizeof(cell_t) / + (parent_addr_cells + pci_addr_cells + size_cells); + 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++) { + attributes = (base_ranges[j++] >> SPACE_CODE_SHIFT) & \ + SPACE_CODE_MASK; + if (attributes == SPACE_CODE_IO_SPACE) { + sc->ranges[i].flags |= FLAG_IO; + } else { + sc->ranges[i].flags |= FLAG_MEM; + } + + sc->ranges[i].pci_base = 0; + for (k = 0; k < (pci_addr_cells - 1); k++) { + sc->ranges[i].pci_base <<= 32; + sc->ranges[i].pci_base |= base_ranges[j++]; + } + sc->ranges[i].phys_base = 0; + for (k = 0; k < parent_addr_cells; k++) { + sc->ranges[i].phys_base <<= 32; + sc->ranges[i].phys_base |= base_ranges[j++]; + } + sc->ranges[i].size = 0; + for (k = 0; k < size_cells; k++) { + sc->ranges[i].size <<= 32; + sc->ranges[i].size |= base_ranges[j++]; + } + } + + for (; i < MAX_RANGES_TUPLES; i++) { + /* zero-fill remaining tuples to mark empty elements in array */ + sc->ranges[i].pci_base = 0; + sc->ranges[i].phys_base = 0; + sc->ranges[i].size = 0; + } + + if (bootverbose) { + for (tuple = 0; tuple < MAX_RANGES_TUPLES; tuple++) { + device_printf(sc->dev, + "\tPCI addr: 0x%jx, CPU addr: 0x%jx, Size: 0x%jx\n", + sc->ranges[tuple].pci_base, + sc->ranges[tuple].phys_base, + sc->ranges[tuple].size); + } + } + + free(base_ranges, M_DEVBUF); + return (0); +} + +static uint32_t +generic_pcie_read_config(device_t dev, u_int bus, u_int slot, + u_int func, u_int reg, int bytes) +{ + struct generic_pcie_softc *sc; + bus_space_handle_t h; + bus_space_tag_t t; + uint64_t offset; + uint32_t data; + + if (bus > 255 || slot > 31 || func > 7 || reg > 4095) + return (~0U); + + sc = device_get_softc(dev); + + offset = PCIE_ADDR_OFFSET(bus, slot, func, reg); + t = sc->bst; + h = sc->bsh; + + switch (bytes) { + case 1: + data = bus_space_read_1(t, h, offset); + break; + case 2: + data = le16toh(bus_space_read_2(t, h, offset)); + break; + case 4: + data = le32toh(bus_space_read_4(t, h, offset)); + break; + default: + return (~0U); + } + + if (reg == PCIR_INTLINE) { + data += PCI_IRQ_START; + } + + return (data); +} + +static void +generic_pcie_write_config(device_t dev, u_int bus, u_int slot, + u_int func, u_int reg, uint32_t val, int bytes) +{ + struct generic_pcie_softc *sc; + bus_space_handle_t h; + bus_space_tag_t t; + uint64_t offset; + + if (bus > 255 || slot > 31 || func > 7 || reg > 4095) + return; + + sc = device_get_softc(dev); + + offset = PCIE_ADDR_OFFSET(bus, slot, func, reg); + + t = sc->bst; + h = sc->bsh; + + switch (bytes) { + case 1: + bus_space_write_1(t, h, offset, val); + break; + case 2: + bus_space_write_2(t, h, offset, htole16(val)); + break; + case 4: + bus_space_write_4(t, h, offset, htole32(val)); + break; + default: + return; + } +} + +static int +generic_pcie_maxslots(device_t dev) +{ + + return (31); /* max slots per bus acc. to standard */ +} + +static int +generic_pcie_read_ivar(device_t dev, device_t child, int index, + uintptr_t *result) +{ + struct generic_pcie_softc *sc; + int secondary_bus; + + sc = device_get_softc(dev); + + if (index == PCIB_IVAR_BUS) { + /* this pcib adds only pci bus 0 as child */ + secondary_bus = 0; + *result = secondary_bus; + return (0); + + } + + if (index == PCIB_IVAR_DOMAIN) { + *result = sc->ecam; + return (0); + } + + device_printf(dev, "ERROR: Unknown index.\n"); + return (ENOENT); +} + +static int +generic_pcie_write_ivar(device_t dev, device_t child, int index, + uintptr_t value) +{ + + return (ENOENT); +} + +static struct rman * +generic_pcie_rman(struct generic_pcie_softc *sc, int type) +{ + + switch (type) { + case SYS_RES_IOPORT: + return (&sc->io_rman); + case SYS_RES_MEMORY: + return (&sc->mem_rman); + case SYS_RES_IRQ: + return (&sc->irq_rman); + default: + break; + } + + return (NULL); +} + +static int +generic_pcie_release_resource(device_t dev, device_t child, int type, + int rid, struct resource *res) +{ + struct generic_pcie_softc *sc; + struct rman *rm; + + sc = device_get_softc(dev); + + rm = generic_pcie_rman(sc, type); + if (rm != NULL) { + KASSERT(rman_is_region_manager(res, rm), ("rman mismatch")); + rman_release_resource(res); + } + + return (bus_generic_release_resource(dev, child, type, rid, res)); +} + +static struct resource * +generic_pcie_alloc_resource(device_t dev, device_t child, int type, int *rid, + u_long start, u_long end, u_long count, u_int flags) +{ + struct generic_pcie_softc *sc; + struct resource *res; + struct rman *rm; + + sc = device_get_softc(dev); + + rm = generic_pcie_rman(sc, type); + if (rm == NULL) + return (BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, + type, rid, start, end, count, flags)); + + if (bootverbose) { + device_printf(dev, + "rman_reserve_resource: start=%#lx, end=%#lx, count=%#lx\n", + start, end, count); + } + + res = rman_reserve_resource(rm, start, end, count, flags, child); + if (res == NULL) + goto fail; + + rman_set_rid(res, *rid); + + if (flags & RF_ACTIVE) + if (bus_activate_resource(child, type, *rid, res)) { + rman_release_resource(res); + goto fail; + } + + return (res); + +fail: + if (bootverbose) { + device_printf(dev, "%s FAIL: type=%d, rid=%d, " + "start=%016lx, end=%016lx, count=%016lx, flags=%x\n", + __func__, type, *rid, start, end, count, flags); + } + + return (NULL); +} + +static int +generic_pcie_adjust_resource(device_t dev, device_t child, int type, + struct resource *res, u_long start, u_long end) +{ + struct generic_pcie_softc *sc; + struct rman *rm; + + sc = device_get_softc(dev); + + rm = generic_pcie_rman(sc, type); + if (rm != NULL) + return (rman_adjust_resource(res, start, end)); + return (bus_generic_adjust_resource(dev, child, type, res, start, end)); +} + +static int +generic_pcie_activate_resource(device_t dev, device_t child, int type, int rid, + struct resource *r) +{ + struct generic_pcie_softc *sc; + uint64_t phys_base; + uint64_t pci_base; + uint64_t size; + int found; + int res; + int i; + + sc = device_get_softc(dev); + + if ((res = rman_activate_resource(r)) != 0) + return (res); + + switch(type) { + case SYS_RES_IOPORT: + found = 0; + for (i = 0; i < MAX_RANGES_TUPLES; i++) { + pci_base = sc->ranges[i].pci_base; + phys_base = sc->ranges[i].phys_base; + size = sc->ranges[i].size; + + if ((rid > pci_base) && (rid < (pci_base + size))) { + found = 1; + break; + } + } + if (found) { + rman_set_start(r, rman_get_start(r) + phys_base); + BUS_ACTIVATE_RESOURCE(device_get_parent(dev), child, + type, rid, r); + } else { + device_printf(dev, "Failed to activate IOPORT resource\n"); + res = 0; + } + break; + case SYS_RES_MEMORY: + BUS_ACTIVATE_RESOURCE(device_get_parent(dev), child, type, rid, r); + break; + default: + break; + } + + return (res); +} + +static int +generic_pcie_deactivate_resource(device_t dev, device_t child, int type, int rid, + struct resource *r) +{ + struct generic_pcie_softc *sc; + vm_offset_t vaddr; + int res; + + sc = device_get_softc(dev); + + if ((res = rman_deactivate_resource(r)) != 0) + return (res); + + switch(type) { + case SYS_RES_IOPORT: + case SYS_RES_MEMORY: + vaddr = (vm_offset_t)rman_get_virtual(r); + pmap_unmapdev(vaddr, rman_get_size(r)); + break; + default: + break; + } + + return (res); +} + +static device_method_t generic_pcie_methods[] = { + DEVMETHOD(device_probe, generic_pcie_probe), + DEVMETHOD(device_attach, generic_pcie_attach), + DEVMETHOD(bus_read_ivar, generic_pcie_read_ivar), + DEVMETHOD(bus_write_ivar, generic_pcie_write_ivar), + DEVMETHOD(bus_alloc_resource, generic_pcie_alloc_resource), + DEVMETHOD(bus_adjust_resource, generic_pcie_adjust_resource), + DEVMETHOD(bus_release_resource, generic_pcie_release_resource), + DEVMETHOD(bus_activate_resource, generic_pcie_activate_resource), + DEVMETHOD(bus_deactivate_resource, generic_pcie_deactivate_resource), + DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), + DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), + DEVMETHOD(pcib_maxslots, generic_pcie_maxslots), + DEVMETHOD(pcib_read_config, generic_pcie_read_config), + DEVMETHOD(pcib_write_config, generic_pcie_write_config), + DEVMETHOD_END +}; + +static driver_t generic_pcie_driver = { + "pcib", + generic_pcie_methods, + sizeof(struct generic_pcie_softc), +}; + +static devclass_t generic_pcie_devclass; + +DRIVER_MODULE(pcib, simplebus, generic_pcie_driver, +generic_pcie_devclass, 0, 0); +DRIVER_MODULE(pcib, ofwbus, generic_pcie_driver, +generic_pcie_devclass, 0, 0); Property changes on: head/sys/dev/pci/pci_host_generic.c ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property