svn commit: r336129 - in head/sys/dev: acpica pci
Wojciech Macek
wma at FreeBSD.org
Mon Jul 9 08:55:08 UTC 2018
Author: wma
Date: Mon Jul 9 08:55:07 2018
New Revision: 336129
URL: https://svnweb.freebsd.org/changeset/base/336129
Log:
ARM64: Add support for ThunderX2 PCIe
Submitted by: Patryk Duda <pdk at semihalf.com>
Obtained from: Semihalf
Sponsored by: Cavium
Differential revision: https://reviews.freebsd.org/D15141
Modified:
head/sys/dev/acpica/acpi_resource.c
head/sys/dev/pci/pci_host_generic.c
head/sys/dev/pci/pci_host_generic_acpi.c
Modified: head/sys/dev/acpica/acpi_resource.c
==============================================================================
--- head/sys/dev/acpica/acpi_resource.c Mon Jul 9 08:41:54 2018 (r336128)
+++ head/sys/dev/acpica/acpi_resource.c Mon Jul 9 08:55:07 2018 (r336129)
@@ -560,6 +560,9 @@ acpi_res_set_memory(device_t dev, void *context, uint6
if (cp == NULL)
return;
+ while (bus_get_resource_start(dev, SYS_RES_MEMORY, cp->ar_nmem))
+ cp->ar_nmem++;
+
bus_set_resource(dev, SYS_RES_MEMORY, cp->ar_nmem++, base, length);
}
Modified: head/sys/dev/pci/pci_host_generic.c
==============================================================================
--- head/sys/dev/pci/pci_host_generic.c Mon Jul 9 08:41:54 2018 (r336128)
+++ head/sys/dev/pci/pci_host_generic.c Mon Jul 9 08:55:07 2018 (r336129)
@@ -107,7 +107,7 @@ pci_host_generic_core_attach(device_t dev)
return (error);
rid = 0;
- sc->res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
+ sc->res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE | RF_SHAREABLE);
if (sc->res == NULL) {
device_printf(dev, "could not map memory.\n");
return (ENXIO);
Modified: head/sys/dev/pci/pci_host_generic_acpi.c
==============================================================================
--- head/sys/dev/pci/pci_host_generic_acpi.c Mon Jul 9 08:41:54 2018 (r336128)
+++ head/sys/dev/pci/pci_host_generic_acpi.c Mon Jul 9 08:55:07 2018 (r336129)
@@ -1,4 +1,5 @@
/*-
+ * Copyright (C) 2018 Cavium Inc.
* Copyright (c) 2015 Ruslan Bukin <br at bsdpad.com>
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
@@ -96,12 +97,8 @@ struct generic_pcie_acpi_softc {
/* Forward prototypes */
static int generic_pcie_acpi_probe(device_t dev);
-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_release_resource(device_t dev, device_t child,
- int type, int rid, struct resource *res);
+static ACPI_STATUS pci_host_generic_acpi_parse_resource(ACPI_RESOURCE *, void *);
+static int generic_pcie_acpi_read_ivar(device_t, device_t, int, uintptr_t *);
static int
generic_pcie_acpi_probe(device_t dev)
@@ -127,6 +124,7 @@ pci_host_generic_acpi_attach(device_t dev)
{
struct generic_pcie_acpi_softc *sc;
ACPI_HANDLE handle;
+ ACPI_STATUS status;
int error;
sc = device_get_softc(dev);
@@ -138,46 +136,104 @@ pci_host_generic_acpi_attach(device_t dev)
device_printf(dev, "Bus is%s cache-coherent\n",
sc->base.coherent ? "" : " not");
+ if (!ACPI_FAILURE(acpi_GetInteger(handle, "_BBN", &sc->base.ecam)))
+ sc->base.ecam >>= 7;
+ else
+ sc->base.ecam = 0;
+
acpi_pcib_fetch_prt(dev, &sc->ap_prt);
error = pci_host_generic_core_attach(dev);
if (error != 0)
return (error);
+ status = AcpiWalkResources(handle, "_CRS",
+ pci_host_generic_acpi_parse_resource, (void *)dev);
+
+ if (ACPI_FAILURE(status))
+ return (ENXIO);
+
device_add_child(dev, "pci", -1);
return (bus_generic_attach(dev));
}
-static int
-generic_pcie_acpi_route_interrupt(device_t bus, device_t dev, int pin)
+static ACPI_STATUS
+pci_host_generic_acpi_parse_resource(ACPI_RESOURCE *res, void *arg)
{
+ device_t dev = (device_t)arg;
struct generic_pcie_acpi_softc *sc;
+ rman_res_t min, max;
+ int error;
- sc = device_get_softc(bus);
+ switch (res->Type) {
+ case ACPI_RESOURCE_TYPE_ADDRESS32:
+ min = (rman_res_t)res->Data.Address32.Address.Minimum;
+ max = (rman_res_t)res->Data.Address32.Address.Maximum;
+ break;
+ case ACPI_RESOURCE_TYPE_ADDRESS64:
+ min = (rman_res_t)res->Data.Address64.Address.Minimum;
+ max = (rman_res_t)res->Data.Address64.Address.Maximum;
+ break;
+ default:
+ return (AE_OK);
+ }
- return (acpi_pcib_route_interrupt(bus, dev, pin, &sc->ap_prt));
+ sc = device_get_softc(dev);
+
+ error = rman_manage_region(&sc->base.mem_rman, min, max);
+ if (error) {
+ device_printf(dev, "unable to allocate %lx-%lx range\n", min, max);
+ return (AE_NOT_FOUND);
+ }
+ device_printf(dev, "allocating %lx-%lx range\n", min, max);
+
+ return (AE_OK);
}
-static struct rman *
-generic_pcie_acpi_rman(struct generic_pcie_acpi_softc *sc, int type)
+static int
+generic_pcie_acpi_read_ivar(device_t dev, device_t child, int index,
+ uintptr_t *result)
{
+ ACPI_HANDLE handle;
+ struct generic_pcie_acpi_softc *sc;
+ int secondary_bus;
- switch (type) {
- case SYS_RES_IOPORT:
- return (&sc->base.io_rman);
- case SYS_RES_MEMORY:
- return (&sc->base.mem_rman);
- default:
- break;
+ sc = device_get_softc(dev);
+
+ if (index == PCIB_IVAR_BUS) {
+ handle = acpi_get_handle(dev);
+ if (ACPI_FAILURE(acpi_GetInteger(handle, "_BBN", &secondary_bus)))
+ secondary_bus = sc->base.ecam * 0x80;
+ *result = secondary_bus;
+ return (0);
}
- return (NULL);
+ if (index == PCIB_IVAR_DOMAIN) {
+ *result = sc->base.ecam;
+ return (0);
+ }
+
+ if (bootverbose)
+ device_printf(dev, "ERROR: Unknown index %d.\n", index);
+ return (ENOENT);
}
+static int
+generic_pcie_acpi_route_interrupt(device_t bus, device_t dev, int pin)
+{
+ struct generic_pcie_acpi_softc *sc;
+
+ sc = device_get_softc(bus);
+
+ return (acpi_pcib_route_interrupt(bus, dev, pin, &sc->ap_prt));
+}
+
static struct resource *
pci_host_generic_acpi_alloc_resource(device_t dev, device_t child, int type,
int *rid, rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{
+ struct resource *res = NULL;
+
#if defined(NEW_PCIB) && defined(PCI_RES_BUS)
struct generic_pcie_acpi_softc *sc;
@@ -188,8 +244,15 @@ pci_host_generic_acpi_alloc_resource(device_t dev, dev
}
#endif
- return (bus_generic_alloc_resource(dev, child, type, rid, start, end,
- count, flags));
+ if (type == SYS_RES_MEMORY)
+ res = pci_host_generic_core_alloc_resource(dev, child, type,
+ rid, start, end, count, flags);
+
+ if (res == NULL)
+ res = bus_generic_alloc_resource(dev, child, type, rid, start, end,
+ count, flags);
+
+ return (res);
}
static int
@@ -308,6 +371,7 @@ static device_method_t generic_pcie_acpi_methods[] = {
DEVMETHOD(bus_alloc_resource, pci_host_generic_acpi_alloc_resource),
DEVMETHOD(bus_activate_resource, generic_pcie_acpi_activate_resource),
DEVMETHOD(bus_deactivate_resource, generic_pcie_acpi_deactivate_resource),
+ DEVMETHOD(bus_read_ivar, generic_pcie_acpi_read_ivar),
/* pcib interface */
DEVMETHOD(pcib_route_interrupt, generic_pcie_acpi_route_interrupt),
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