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diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c
--- a/sys/dev/acpica/acpi.c
+++ b/sys/dev/acpica/acpi.c
@@ -268,6 +268,9 @@
/* Local pools for managing system resources for ACPI child devices. */
static struct rman acpi_rman_io, acpi_rman_mem;
+#ifdef SYS_RES_FFH
+static struct rman acpi_rman_ffh;
+#endif
#define ACPI_MINIMUM_AWAKETIME 5
@@ -520,6 +523,12 @@
acpi_rman_mem.rm_descr = "ACPI I/O memory addresses";
if (rman_init(&acpi_rman_mem) != 0)
panic("acpi rman_init memory failed");
+#ifdef SYS_RES_FFH
+ acpi_rman_ffh.rm_type = RMAN_ARRAY;
+ acpi_rman_ffh.rm_descr = "ACPI FFixedHardware";
+ if (rman_init(&acpi_rman_ffh) != 0)
+ panic("acpi rman_init ffh failed");
+#endif
resource_list_init(&sc->sysres_rl);
@@ -964,6 +973,9 @@
retval += resource_list_print_type(rl, "iomem", SYS_RES_MEMORY, "%#jx");
retval += resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%jd");
retval += resource_list_print_type(rl, "drq", SYS_RES_DRQ, "%jd");
+#ifdef SYS_RES_FFH
+ retval += resource_list_print_type(rl, "ffh", SYS_RES_FFH, "%jd");
+#endif
if (device_get_flags(child))
retval += printf(" flags %#x", device_get_flags(child));
retval += bus_print_child_domain(bus, child);
@@ -1333,6 +1345,15 @@
else
return false;
}
+#ifdef SYS_RES_FFH
+ if (resource_long_value(name, unit, "ffh", &value) == 0) {
+ if (acpi_match_resource_hint(child, SYS_RES_FFH, value))
+ matches = true;
+ else
+ return false;
+ }
+#endif
+
return matches;
}
@@ -1451,6 +1472,10 @@
return (&acpi_rman_io);
case SYS_RES_MEMORY:
return (&acpi_rman_mem);
+#ifdef SYS_RES_FFH
+ case SYS_RES_FFH:
+ return (&acpi_rman_ffh);
+#endif
default:
return (NULL);
}
@@ -1827,6 +1852,12 @@
case ACPI_ADR_SPACE_SYSTEM_IO:
res_type = SYS_RES_IOPORT;
break;
+#ifdef SYS_RES_FFH
+ case ACPI_ADR_SPACE_FIXED_HARDWARE:
+ res_type = SYS_RES_FFH;
+ gas->BitWidth = 8;
+ break;
+#endif
default:
return (EOPNOTSUPP);
}
diff --git a/sys/dev/acpica/acpivar.h b/sys/dev/acpica/acpivar.h
--- a/sys/dev/acpica/acpivar.h
+++ b/sys/dev/acpica/acpivar.h
@@ -624,6 +624,8 @@
acpi_prepare_sleep = hook;
}
+uint64_t acpi_ffh_read(device_t dev, struct resource *res);
+void acpi_ffh_write(device_t dev, struct resource *res, uint64_t val);
#ifdef __aarch64__
/*
* ARM specific ACPI interfaces, relating to IORT table.
diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c
--- a/sys/kern/subr_bus.c
+++ b/sys/kern/subr_bus.c
@@ -4455,6 +4455,9 @@
switch (type) {
case SYS_RES_IOPORT:
case SYS_RES_MEMORY:
+#ifdef SYS_RES_FFH
+ case SYS_RES_FFH:
+#endif
if ((rman_get_flags(r) & RF_UNMAPPED) == 0) {
error = BUS_MAP_RESOURCE(dev, child, r, NULL, &map);
if (error != 0)
@@ -4504,6 +4507,9 @@
switch (type) {
case SYS_RES_IOPORT:
case SYS_RES_MEMORY:
+#ifdef SYS_RES_FFH
+ case SYS_RES_FFH:
+#endif
if ((rman_get_flags(r) & RF_UNMAPPED) == 0) {
rman_get_mapping(r, &map);
BUS_UNMAP_RESOURCE(dev, child, r, &map);

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