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Differential D4544 Diff 11429 sys/arm64/arm64/nexus.c

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sys/arm64/arm64/nexus.c

Context not available.
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 *);
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{ {
mem_rman.rm_start = 0; mem_rman.rm_start = 0;
mem_rman.rm_end = ~0ul; mem_rman.rm_end = ~0;
mem_rman.rm_type = RMAN_ARRAY; mem_rman.rm_type = RMAN_ARRAY;
mem_rman.rm_descr = "I/O memory addresses"; mem_rman.rm_descr = "I/O memory addresses";
if (rman_init(&mem_rman) || rman_manage_region(&mem_rman, 0, ~0)) if (rman_init(&mem_rman) || rman_manage_region(&mem_rman, 0, ~0))
panic("nexus_attach mem_rman"); panic("nexus_attach mem_rman");
irq_rman.rm_start = 0; irq_rman.rm_start = 0;
irq_rman.rm_end = ~0ul; irq_rman.rm_end = ~0;
irq_rman.rm_type = RMAN_ARRAY; irq_rman.rm_type = RMAN_ARRAY;
irq_rman.rm_descr = "Interrupts"; irq_rman.rm_descr = "Interrupts";
if (rman_init(&irq_rman) || rman_manage_region(&irq_rman, 0, ~0)) if (rman_init(&irq_rman) || rman_manage_region(&irq_rman, 0, ~0))
Context not available.
*/ */
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;
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* (ie. they aren't maintained by a child bus), then work out * (ie. they aren't maintained by a child bus), then work out
* the start/end values. * the start/end values.
*/ */
if ((start == 0UL) && (end == ~0UL) && (count == 1)) { if ((start == 0) && (end == ~0) && (count == 1)) {
if (device_get_parent(child) != bus || ndev == NULL) if (device_get_parent(child) != bus || ndev == NULL)
return(NULL); return(NULL);
rle = resource_list_find(&ndev->nx_resources, type, *rid); rle = resource_list_find(&ndev->nx_resources, type, *rid);
Context not available.
if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) { if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
paddr = (bus_addr_t)rman_get_start(r); paddr = (bus_addr_t)rman_get_start(r);
psize = (bus_size_t)rman_get_size(r); psize = (bus_size_t)rman_get_size(r);
if (paddr + psize > BUS_SPACE_MAXADDR) {
jhbUnsubmitted
Not Done
Inline Actions

The rman should have BUS_SPACE_MAXADDR set for the end of its region in nexus_attach() and this check should be removed.

jhb: The rman should have BUS_SPACE_MAXADDR set for the end of its region in nexus_attach() and this…
rman_deactivate_resource(r);
return (ENOMEM);
}
err = bus_space_map(&memmap_bus, paddr, psize, 0, &vaddr); err = bus_space_map(&memmap_bus, paddr, psize, 0, &vaddr);
if (err != 0) { if (err != 0) {
rman_deactivate_resource(r); rman_deactivate_resource(r);
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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;
Context not available.