Author: zbb Date: Tue Feb 16 11:43:57 2016 New Revision: 295656 URL: https://svnweb.freebsd.org/changeset/base/295656
Log: Support PEM that is not a PCI endpoint on ThunderX Some chip revisions don't have their external PCIe buses behind the internal bridge. Add support for FDT-configurable PEMs but keep ability for PCIe enumeration. Reviewed by: andrew, wma Obtained from: Semihalf Sponsored by: Cavium Differential Revision: https://reviews.freebsd.org/D5285 Added: head/sys/arm64/cavium/thunder_pcie_pem.h (contents, props changed) head/sys/arm64/cavium/thunder_pcie_pem_fdt.c (contents, props changed) Modified: head/sys/arm64/cavium/thunder_pcie_common.h head/sys/arm64/cavium/thunder_pcie_pem.c head/sys/conf/files.arm64 Modified: head/sys/arm64/cavium/thunder_pcie_common.h ============================================================================== --- head/sys/arm64/cavium/thunder_pcie_common.h Tue Feb 16 11:38:38 2016 (r295655) +++ head/sys/arm64/cavium/thunder_pcie_common.h Tue Feb 16 11:43:57 2016 (r295656) @@ -33,6 +33,7 @@ #define RANGES_TUPLES_INVALID (RANGES_TUPLES_MAX + 1) DECLARE_CLASS(thunder_pcie_driver); +DECLARE_CLASS(thunder_pem_driver); MALLOC_DECLARE(M_THUNDER_PCIE); Modified: head/sys/arm64/cavium/thunder_pcie_pem.c ============================================================================== --- head/sys/arm64/cavium/thunder_pcie_pem.c Tue Feb 16 11:38:38 2016 (r295655) +++ head/sys/arm64/cavium/thunder_pcie_pem.c Tue Feb 16 11:43:57 2016 (r295656) @@ -49,12 +49,12 @@ __FBSDID("$FreeBSD$"); #include <machine/smp.h> #include <machine/intr.h> -#include "thunder_pcie_common.h" +#include <arm64/cavium/thunder_pcie_common.h> +#include <arm64/cavium/thunder_pcie_pem.h> #include "pcib_if.h" #define THUNDER_PEM_DEVICE_ID 0xa020 #define THUNDER_PEM_VENDOR_ID 0x177d -#define THUNDER_PEM_DESC "ThunderX PEM" /* ThunderX specific defines */ #define THUNDER_PEMn_REG_BASE(unit) (0x87e0c0000000UL | ((unit) << 24)) @@ -109,21 +109,7 @@ __FBSDID("$FreeBSD$"); #define PCI_MEMORY_BASE PCI_IO_SIZE #define PCI_MEMORY_SIZE 0xFFF00000UL -struct thunder_pem_softc { - device_t dev; - struct resource *reg; - bus_space_tag_t reg_bst; - bus_space_handle_t reg_bsh; - struct pcie_range ranges[RANGES_TUPLES_MAX]; - struct rman mem_rman; - struct rman io_rman; - bus_space_handle_t pem_sli_base; - uint32_t node; - uint32_t id; - uint32_t sli; - uint32_t sli_group; - uint64_t sli_window_base; -}; +#define RID_PEM_SPACE 1 static struct resource * thunder_pem_alloc_resource(device_t, device_t, int, int *, rman_res_t, rman_res_t, rman_res_t, u_int); @@ -174,11 +160,13 @@ static device_method_t thunder_pem_metho DEVMETHOD_END }; -static driver_t thunder_pem_driver = { - "pcib", - thunder_pem_methods, - sizeof(struct thunder_pem_softc), -}; +DEFINE_CLASS_0(pcib, thunder_pem_driver, thunder_pem_methods, + sizeof(struct thunder_pem_softc)); + +static devclass_t thunder_pem_devclass; + +DRIVER_MODULE(thunder_pem, pci, thunder_pem_driver, thunder_pem_devclass, 0, 0); +MODULE_DEPEND(thunder_pem, pci, 1, 1, 1); static int thunder_pem_maxslots(device_t dev) @@ -526,6 +514,8 @@ thunder_pem_probe(device_t dev) static int thunder_pem_attach(device_t dev) { + devclass_t pci_class; + device_t parent; struct thunder_pem_softc *sc; int error; int rid; @@ -533,8 +523,14 @@ thunder_pem_attach(device_t dev) sc = device_get_softc(dev); sc->dev = dev; - /* Allocate memory for BAR(0) */ - rid = PCIR_BAR(0); + /* Allocate memory for resource */ + pci_class = devclass_find("pci"); + parent = device_get_parent(dev); + if (device_get_devclass(parent) == pci_class) + rid = PCIR_BAR(0); + else + rid = RID_PEM_SPACE; + sc->reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); if (sc->reg == NULL) { @@ -583,6 +579,13 @@ thunder_pem_attach(device_t dev) goto fail_mem; } + /* + * We ignore the values that may have been provided in FDT + * and configure ranges according to the below formula + * for all types of devices. This is because some DTBs provided + * by EFI do not have proper ranges property or don't have them + * at all. + */ /* Fill memory window */ sc->ranges[0].pci_base = PCI_MEMORY_BASE; sc->ranges[0].size = PCI_MEMORY_SIZE; @@ -639,8 +642,3 @@ thunder_pem_detach(device_t dev) return (0); } - -static devclass_t thunder_pem_devclass; - -DRIVER_MODULE(thunder_pem, pci, thunder_pem_driver, thunder_pem_devclass, 0, 0); -MODULE_DEPEND(thunder_pem, pci, 1, 1, 1); Added: head/sys/arm64/cavium/thunder_pcie_pem.h ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/arm64/cavium/thunder_pcie_pem.h Tue Feb 16 11:43:57 2016 (r295656) @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2016 Cavium Inc. + * All rights reserved. + * + * Developed by Semihalf. + * + * 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. + * + * $FreeBSD$ + * + */ + +#ifndef __THUNDER_PCIE_PEM_H__ +#define __THUNDER_PCIE_PEM_H__ + +#define THUNDER_PEM_DESC "ThunderX PEM" + +struct thunder_pem_softc { + device_t dev; + struct resource *reg; + bus_space_tag_t reg_bst; + bus_space_handle_t reg_bsh; + struct pcie_range ranges[RANGES_TUPLES_MAX]; + struct rman mem_rman; + struct rman io_rman; + bus_space_handle_t pem_sli_base; + uint32_t node; + uint32_t id; + uint32_t sli; + uint32_t sli_group; + uint64_t sli_window_base; +}; + +#endif Added: head/sys/arm64/cavium/thunder_pcie_pem_fdt.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/arm64/cavium/thunder_pcie_pem_fdt.c Tue Feb 16 11:43:57 2016 (r295656) @@ -0,0 +1,83 @@ +/* + * Copyright (C) 2016 Cavium Inc. + * All rights reserved. + * + * Developed by Semihalf. + * + * 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. + */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/malloc.h> +#include <sys/types.h> +#include <sys/sysctl.h> +#include <sys/kernel.h> +#include <sys/rman.h> +#include <sys/module.h> +#include <sys/bus.h> +#include <sys/endian.h> +#include <sys/cpuset.h> + +#include <dev/ofw/openfirm.h> +#include <dev/ofw/ofw_bus.h> +#include <dev/ofw/ofw_bus_subr.h> + +#include "thunder_pcie_common.h" +#include "thunder_pcie_pem.h" + +static int thunder_pem_fdt_probe(device_t); + +static device_method_t thunder_pem_fdt_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, thunder_pem_fdt_probe), + + /* End */ + DEVMETHOD_END +}; + +DEFINE_CLASS_1(pcib, thunder_pem_fdt_driver, thunder_pem_fdt_methods, + sizeof(struct thunder_pem_softc), thunder_pem_driver); + +static devclass_t thunder_pem_fdt_devclass; + +DRIVER_MODULE(thunder_pem, simplebus, thunder_pem_fdt_driver, + thunder_pem_fdt_devclass, 0, 0); +DRIVER_MODULE(thunder_pem, ofwbus, thunder_pem_fdt_driver, + thunder_pem_fdt_devclass, 0, 0); + +static int +thunder_pem_fdt_probe(device_t dev) +{ + + if (!ofw_bus_status_okay(dev)) + return (ENXIO); + + if (ofw_bus_is_compatible(dev, "cavium,pci-host-thunder-pem")) { + device_set_desc(dev, THUNDER_PEM_DESC); + return (BUS_PROBE_DEFAULT); + } + + return (ENXIO); +} Modified: head/sys/conf/files.arm64 ============================================================================== --- head/sys/conf/files.arm64 Tue Feb 16 11:38:38 2016 (r295655) +++ head/sys/conf/files.arm64 Tue Feb 16 11:43:57 2016 (r295656) @@ -52,10 +52,11 @@ arm64/arm64/uma_machdep.c standard arm64/arm64/unwind.c optional ddb | kdtrace_hooks | stack arm64/arm64/vfp.c standard arm64/arm64/vm_machdep.c standard -arm64/cavium/thunder_pcie.c optional soc_cavm_thunderx pci -arm64/cavium/thunder_pcie_fdt.c optional soc_cavm_thunderx pci fdt -arm64/cavium/thunder_pcie_pem.c optional soc_cavm_thunderx pci -arm64/cavium/thunder_pcie_common.c optional soc_cavm_thunderx pci +arm64/cavium/thunder_pcie.c optional soc_cavm_thunderx pci +arm64/cavium/thunder_pcie_fdt.c optional soc_cavm_thunderx pci fdt +arm64/cavium/thunder_pcie_pem.c optional soc_cavm_thunderx pci +arm64/cavium/thunder_pcie_pem_fdt.c optional soc_cavm_thunderx pci fdt +arm64/cavium/thunder_pcie_common.c optional soc_cavm_thunderx pci arm64/cloudabi64/cloudabi64_sysvec.c optional compat_cloudabi64 crypto/blowfish/bf_enc.c optional crypto | ipsec crypto/des/des_enc.c optional crypto | ipsec | netsmb _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "[email protected]"
