SMMUv3 needs device tree entry like below
interrupt-names = "gerror", "priq", "eventq", "cmdq-sync";
This patch introduces helper function to add entries like above
Signed-off-by: Prem Mallappa <[email protected]>
---
device_tree.c | 35 +++++++++++++++++++++++++++++++++++
include/sysemu/device_tree.h | 18 ++++++++++++++++++
2 files changed, 53 insertions(+)
diff --git a/device_tree.c b/device_tree.c
index 6e06320..5d5966e 100644
--- a/device_tree.c
+++ b/device_tree.c
@@ -297,6 +297,24 @@ int qemu_fdt_setprop(void *fdt, const char *node_path,
return r;
}
+int qemu_fdt_appendprop(void *fdt, const char *node_path,
+ const char *property, const void *val, int size)
+{
+ int r;
+
+ r = fdt_appendprop(fdt, findnode_nofail(fdt, node_path), property,
+ val, size);
+ if (r < 0) {
+ error_report("%s: Couldn't set %s/%s: %s", __func__, node_path,
+ property, fdt_strerror(r));
+ exit(1);
+ }
+
+ return r;
+}
+
+
+
int qemu_fdt_setprop_cell(void *fdt, const char *node_path,
const char *property, uint32_t val)
{
@@ -319,6 +337,23 @@ int qemu_fdt_setprop_u64(void *fdt, const char *node_path,
return qemu_fdt_setprop(fdt, node_path, property, &val, sizeof(val));
}
+int qemu_fdt_appendprop_string(void *fdt, const char *node_path,
+ const char *property, const char *string)
+{
+ int r;
+
+ r = fdt_appendprop_string(fdt, findnode_nofail(fdt, node_path),
+ property, string);
+ if (r < 0) {
+ error_report("%s: Couldn't set %s/%s = %s: %s", __func__,
+ node_path, property, string, fdt_strerror(r));
+ exit(1);
+ }
+
+ return r;
+}
+
+
int qemu_fdt_setprop_string(void *fdt, const char *node_path,
const char *property, const char *string)
{
diff --git a/include/sysemu/device_tree.h b/include/sysemu/device_tree.h
index 705650a..5a0a297 100644
--- a/include/sysemu/device_tree.h
+++ b/include/sysemu/device_tree.h
@@ -45,12 +45,16 @@ char **qemu_fdt_node_path(void *fdt, const char *name, char
*compat,
int qemu_fdt_setprop(void *fdt, const char *node_path,
const char *property, const void *val, int size);
+int qemu_fdt_appendprop(void *fdt, const char *node_path,
+ const char *property, const void *val, int size);
int qemu_fdt_setprop_cell(void *fdt, const char *node_path,
const char *property, uint32_t val);
int qemu_fdt_setprop_u64(void *fdt, const char *node_path,
const char *property, uint64_t val);
int qemu_fdt_setprop_string(void *fdt, const char *node_path,
const char *property, const char *string);
+int qemu_fdt_appendprop_string(void *fdt, const char *node_path,
+ const char *property, const char *string);
int qemu_fdt_setprop_phandle(void *fdt, const char *node_path,
const char *property,
const char *target_node_path);
@@ -98,6 +102,20 @@ int qemu_fdt_add_subnode(void *fdt, const char *name);
sizeof(qdt_tmp)); \
} while (0)
+
+#define qemu_fdt_appendprop_cells(fdt, node_path, property, ...) \
+ do { \
+ uint32_t qdt_tmp[] = { __VA_ARGS__ }; \
+ int i; \
+ \
+ for (i = 0; i < ARRAY_SIZE(qdt_tmp); i++) { \
+ qdt_tmp[i] = cpu_to_be32(qdt_tmp[i]); \
+ } \
+ qemu_fdt_appendprop(fdt, node_path, property, qdt_tmp, \
+ sizeof(qdt_tmp)); \
+ } while (0)
+
+
void qemu_fdt_dumpdtb(void *fdt, int size);
/**
--
2.9.3
