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Differential D5075 Diff 12737 sys/arm64/arm64/nexus.c

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sys/arm64/arm64/nexus.c

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#ifdef DEV_ACPI #ifdef DEV_ACPI
static device_probe_t nexus_acpi_probe; static device_probe_t nexus_acpi_probe;
static device_attach_t nexus_acpi_attach; static device_attach_t nexus_acpi_attach;
#endif #endif
static int nexus_print_child(device_t, device_t); static int nexus_print_child(device_t, device_t);
static device_t nexus_add_child(device_t, u_int, const char *, int); static device_t nexus_add_child(device_t, u_int, const char *, int);
static struct resource *nexus_alloc_resource(device_t, device_t, int, int *, static struct resource *nexus_alloc_resource(device_t, device_t, int, int *,
u_long, u_long, u_long, u_int); rman_res_t, rman_res_t, rman_res_t, u_int);
static int nexus_activate_resource(device_t, device_t, int, int, static int nexus_activate_resource(device_t, device_t, int, int,
struct resource *); struct resource *);
static int nexus_config_intr(device_t dev, int irq, enum intr_trigger trig, static int nexus_config_intr(device_t dev, int irq, enum intr_trigger trig,
enum intr_polarity pol); enum intr_polarity pol);
static struct resource_list *nexus_get_reslist(device_t, device_t); static struct resource_list *nexus_get_reslist(device_t, device_t);
static int nexus_set_resource(device_t, device_t, int, int, u_long, u_long); static int nexus_set_resource(device_t, device_t, int, int,
rman_res_t, rman_res_t);
static int nexus_deactivate_resource(device_t, device_t, int, int, static int nexus_deactivate_resource(device_t, device_t, int, int,
struct resource *); struct resource *);
static int nexus_setup_intr(device_t dev, device_t child, struct resource *res, static int nexus_setup_intr(device_t dev, device_t child, struct resource *res,
int flags, driver_filter_t *filt, driver_intr_t *intr, void *arg, void **cookiep); int flags, driver_filter_t *filt, driver_intr_t *intr, void *arg, void **cookiep);
static int nexus_teardown_intr(device_t, device_t, struct resource *, void *); static int nexus_teardown_intr(device_t, device_t, struct resource *, void *);
#ifdef FDT #ifdef FDT
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/* /*
* Allocate a resource on behalf of child. NB: child is usually going to be a * Allocate a resource on behalf of child. NB: child is usually going to be a
* child of one of our descendants, not a direct child of nexus0. * child of one of our descendants, not a direct child of nexus0.
* (Exceptions include footbridge.) * (Exceptions include footbridge.)
*/ */
static struct resource * static struct resource *
nexus_alloc_resource(device_t bus, device_t child, int type, int *rid, nexus_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags) rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{ {
struct nexus_device *ndev = DEVTONX(child); struct nexus_device *ndev = DEVTONX(child);
struct resource *rv; struct resource *rv;
struct resource_list_entry *rle; struct resource_list_entry *rle;
struct rman *rm; struct rman *rm;
int needactivate = flags & RF_ACTIVE; int needactivate = flags & RF_ACTIVE;
/* /*
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{ {
struct nexus_device *ndev = DEVTONX(child); struct nexus_device *ndev = DEVTONX(child);
return (&ndev->nx_resources); return (&ndev->nx_resources);
} }
static int static int
nexus_set_resource(device_t dev, device_t child, int type, int rid, nexus_set_resource(device_t dev, device_t child, int type, int rid,
u_long start, u_long count) rman_res_t start, rman_res_t count)
{ {
struct nexus_device *ndev = DEVTONX(child); struct nexus_device *ndev = DEVTONX(child);
struct resource_list *rl = &ndev->nx_resources; struct resource_list *rl = &ndev->nx_resources;
/* XXX this should return a success/failure indicator */ /* XXX this should return a success/failure indicator */
resource_list_add(rl, type, rid, start, start + count - 1, count); resource_list_add(rl, type, rid, start, start + count - 1, count);
return(0); return(0);
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