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Differential D53331 Diff 166699 sys/arm64/arm64/nexus.c

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sys/arm64/arm64/nexus.c

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#include "ofw_bus_if.h" #include "ofw_bus_if.h"
#endif #endif
#ifdef DEV_ACPI #ifdef DEV_ACPI
#include <contrib/dev/acpica/include/acpi.h> #include <contrib/dev/acpica/include/acpi.h>
#include <dev/acpica/acpivar.h> #include <dev/acpica/acpivar.h>
#include "acpi_bus_if.h" #include "acpi_bus_if.h"
#endif #endif
#include "pcib_if.h"
extern struct bus_space memmap_bus; extern struct bus_space memmap_bus;
static MALLOC_DEFINE(M_NEXUSDEV, "nexusdev", "Nexus device"); static MALLOC_DEFINE(M_NEXUSDEV, "nexusdev", "Nexus device");
struct nexus_device { struct nexus_device {
struct resource_list nx_resources; struct resource_list nx_resources;
}; };
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static bus_describe_intr_t nexus_describe_intr; static bus_describe_intr_t nexus_describe_intr;
static bus_setup_intr_t nexus_setup_intr; static bus_setup_intr_t nexus_setup_intr;
static bus_teardown_intr_t nexus_teardown_intr; static bus_teardown_intr_t nexus_teardown_intr;
static bus_get_bus_tag_t nexus_get_bus_tag; static bus_get_bus_tag_t nexus_get_bus_tag;
#ifdef FDT #ifdef FDT
static ofw_bus_map_intr_t nexus_ofw_map_intr; static ofw_bus_map_intr_t nexus_ofw_map_intr;
/*
* PCIB interface
*/
static pcib_alloc_msi_t nexus_fdt_pcib_alloc_msi;
static pcib_release_msi_t nexus_fdt_pcib_release_msi;
static pcib_alloc_msix_t nexus_fdt_pcib_alloc_msix;
static pcib_release_msix_t nexus_fdt_pcib_release_msix;
static pcib_map_msi_t nexus_fdt_pcib_map_msi;
#endif #endif
static device_method_t nexus_methods[] = { static device_method_t nexus_methods[] = {
/* Device interface */ /* Device interface */
DEVMETHOD(device_shutdown, bus_generic_shutdown), DEVMETHOD(device_shutdown, bus_generic_shutdown),
/* Bus interface */ /* Bus interface */
DEVMETHOD(bus_add_child, nexus_add_child), DEVMETHOD(bus_add_child, nexus_add_child),
▲ Show 20 Lines • Show All 302 Lines • ▼ Show 20 Linesstatic device_method_t nexus_fdt_methods[] = {
DEVMETHOD(device_attach, nexus_fdt_attach), DEVMETHOD(device_attach, nexus_fdt_attach),
/* Bus interface */ /* Bus interface */
DEVMETHOD(bus_activate_resource, nexus_fdt_activate_resource), DEVMETHOD(bus_activate_resource, nexus_fdt_activate_resource),
/* OFW interface */ /* OFW interface */
DEVMETHOD(ofw_bus_map_intr, nexus_ofw_map_intr), DEVMETHOD(ofw_bus_map_intr, nexus_ofw_map_intr),
/* PCIB interface */
DEVMETHOD(pcib_alloc_msi, nexus_fdt_pcib_alloc_msi),
DEVMETHOD(pcib_release_msi, nexus_fdt_pcib_release_msi),
DEVMETHOD(pcib_alloc_msix, nexus_fdt_pcib_alloc_msix),
DEVMETHOD(pcib_release_msix, nexus_fdt_pcib_release_msix),
DEVMETHOD(pcib_map_msi, nexus_fdt_pcib_map_msi),
DEVMETHOD_END, DEVMETHOD_END,
}; };
#define nexus_baseclasses nexus_fdt_baseclasses #define nexus_baseclasses nexus_fdt_baseclasses
DEFINE_CLASS_1(nexus, nexus_fdt_driver, nexus_fdt_methods, 1, nexus_driver); DEFINE_CLASS_1(nexus, nexus_fdt_driver, nexus_fdt_methods, 1, nexus_driver);
#undef nexus_baseclasses #undef nexus_baseclasses
EARLY_DRIVER_MODULE(nexus_fdt, root, nexus_fdt_driver, 0, 0, EARLY_DRIVER_MODULE(nexus_fdt, root, nexus_fdt_driver, 0, 0,
▲ Show 20 Lines • Show All 60 Lines • ▼ Show 20 Linesnexus_ofw_map_intr(device_t dev, device_t child, phandle_t iparent, int icells,
len = sizeof(*fdt_data) + icells * sizeof(pcell_t); len = sizeof(*fdt_data) + icells * sizeof(pcell_t);
fdt_data = (struct intr_map_data_fdt *)intr_alloc_map_data( fdt_data = (struct intr_map_data_fdt *)intr_alloc_map_data(
INTR_MAP_DATA_FDT, len, M_WAITOK | M_ZERO); INTR_MAP_DATA_FDT, len, M_WAITOK | M_ZERO);
fdt_data->iparent = iparent; fdt_data->iparent = iparent;
fdt_data->ncells = icells; fdt_data->ncells = icells;
memcpy(fdt_data->cells, intr, icells * sizeof(pcell_t)); memcpy(fdt_data->cells, intr, icells * sizeof(pcell_t));
irq = intr_map_irq(NULL, iparent, (struct intr_map_data *)fdt_data); irq = intr_map_irq(NULL, iparent, (struct intr_map_data *)fdt_data);
return (irq); return (irq);
}
static int
nexus_fdt_pcib_alloc_msi(device_t dev, device_t child, int count, int maxcount,
int *irqs)
{
phandle_t msi_parent;
int error;
error = ofw_bus_msimap(ofw_bus_get_node(child), 0, &msi_parent, NULL);
if (error != 0)
return (error);
return (intr_alloc_msi(dev, child, msi_parent, count, maxcount, irqs));
}
static int
nexus_fdt_pcib_release_msi(device_t dev, device_t child, int count, int *irqs)
{
phandle_t msi_parent;
int error;
error = ofw_bus_msimap(ofw_bus_get_node(child), 0, &msi_parent, NULL);
if (error != 0)
return (error);
return (intr_release_msi(dev, child, msi_parent, count, irqs));
}
static int
nexus_fdt_pcib_alloc_msix(device_t dev, device_t child, int *irq)
{
phandle_t msi_parent;
int error;
error = ofw_bus_msimap(ofw_bus_get_node(child), 0, &msi_parent, NULL);
if (error != 0)
return (error);
return (intr_alloc_msix(dev, child, msi_parent, irq));
}
static int
nexus_fdt_pcib_release_msix(device_t dev, device_t child, int irq)
{
phandle_t msi_parent;
int error;
error = ofw_bus_msimap(ofw_bus_get_node(child), 0, &msi_parent, NULL);
if (error != 0)
return (error);
return (intr_release_msix(dev, child, msi_parent, irq));
}
static int
nexus_fdt_pcib_map_msi(device_t dev, device_t child, int irq, uint64_t *addr,
uint32_t *data)
{
phandle_t msi_parent;
int error;
error = ofw_bus_msimap(ofw_bus_get_node(child), 0, &msi_parent, NULL);
if (error != 0)
return (error);
return (intr_map_msi(dev, child, msi_parent, irq, addr, data));
} }
#endif #endif
#ifdef DEV_ACPI #ifdef DEV_ACPI
static int nexus_acpi_map_intr(device_t dev, device_t child, u_int irq, int trig, int pol); static int nexus_acpi_map_intr(device_t dev, device_t child, u_int irq, int trig, int pol);
static device_method_t nexus_acpi_methods[] = { static device_method_t nexus_acpi_methods[] = {
/* Device interface */ /* Device interface */
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