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-rw-r--r--lib/fdtdec.c28
-rw-r--r--lib/fdtdec_test.c4
-rw-r--r--lib/optee/optee.c3
3 files changed, 22 insertions, 13 deletions
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index a0ecc72b6c..ad090ea51e 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -1294,7 +1294,7 @@ static int fdtdec_init_reserved_memory(void *blob)
int fdtdec_add_reserved_memory(void *blob, const char *basename,
const struct fdt_memory *carveout,
const char **compatibles, unsigned int count,
- uint32_t *phandlep, bool no_map)
+ uint32_t *phandlep, unsigned long flags)
{
fdt32_t cells[4] = {}, *ptr = cells;
uint32_t upper, lower, phandle;
@@ -1364,6 +1364,12 @@ int fdtdec_add_reserved_memory(void *blob, const char *basename,
if (node < 0)
return node;
+ if (flags & FDTDEC_RESERVED_MEMORY_NO_MAP) {
+ err = fdt_setprop(blob, node, "no-map", NULL, 0);
+ if (err < 0)
+ return err;
+ }
+
if (phandlep) {
err = fdt_generate_phandle(blob, &phandle);
if (err < 0)
@@ -1394,12 +1400,6 @@ int fdtdec_add_reserved_memory(void *blob, const char *basename,
if (err < 0)
return err;
- if (no_map) {
- err = fdt_setprop(blob, node, "no-map", NULL, 0);
- if (err < 0)
- return err;
- }
-
if (compatibles && count > 0) {
size_t length = 0, len = 0;
unsigned int i;
@@ -1432,7 +1432,8 @@ int fdtdec_add_reserved_memory(void *blob, const char *basename,
int fdtdec_get_carveout(const void *blob, const char *node,
const char *prop_name, unsigned int index,
struct fdt_memory *carveout, const char **name,
- const char ***compatiblesp, unsigned int *countp)
+ const char ***compatiblesp, unsigned int *countp,
+ unsigned long *flags)
{
const fdt32_t *prop;
uint32_t phandle;
@@ -1519,13 +1520,20 @@ skip_compat:
carveout->end = carveout->start + size - 1;
+ if (flags) {
+ *flags = 0;
+
+ if (fdtdec_get_bool(blob, offset, "no-map"))
+ *flags |= FDTDEC_RESERVED_MEMORY_NO_MAP;
+ }
+
return 0;
}
int fdtdec_set_carveout(void *blob, const char *node, const char *prop_name,
unsigned int index, const struct fdt_memory *carveout,
const char *name, const char **compatibles,
- unsigned int count)
+ unsigned int count, unsigned long flags)
{
uint32_t phandle;
int err, offset, len;
@@ -1533,7 +1541,7 @@ int fdtdec_set_carveout(void *blob, const char *node, const char *prop_name,
void *prop;
err = fdtdec_add_reserved_memory(blob, name, carveout, compatibles,
- count, &phandle, false);
+ count, &phandle, flags);
if (err < 0) {
debug("failed to add reserved memory: %d\n", err);
return err;
diff --git a/lib/fdtdec_test.c b/lib/fdtdec_test.c
index 3af9fb5da6..85351c75ca 100644
--- a/lib/fdtdec_test.c
+++ b/lib/fdtdec_test.c
@@ -190,7 +190,7 @@ static int make_fdt_carveout_device(void *fdt, uint32_t na, uint32_t ns)
CHECK(fdt_setprop(fdt, offset, "reg", cells, (na + ns) * sizeof(*cells)));
return fdtdec_set_carveout(fdt, name, "memory-region", 0, &carveout,
- "framebuffer", NULL, 0);
+ "framebuffer", NULL, 0, 0);
}
static int check_fdt_carveout(void *fdt, uint32_t address_cells,
@@ -215,7 +215,7 @@ static int check_fdt_carveout(void *fdt, uint32_t address_cells,
&expected.end, address_cells, size_cells);
CHECK(fdtdec_get_carveout(fdt, name, "memory-region", 0, &carveout,
- NULL, NULL, NULL));
+ NULL, NULL, NULL, NULL));
if ((carveout.start != expected.start) ||
(carveout.end != expected.end)) {
diff --git a/lib/optee/optee.c b/lib/optee/optee.c
index 3fbde934fb..b036224044 100644
--- a/lib/optee/optee.c
+++ b/lib/optee/optee.c
@@ -161,6 +161,7 @@ int optee_copy_fdt_nodes(void *new_blob)
.start = res.start,
.end = res.end,
};
+ unsigned long flags = FDTDEC_RESERVED_MEMORY_NO_MAP;
char *oldname, *nodename, *tmp;
oldname = strdup(name);
@@ -178,7 +179,7 @@ int optee_copy_fdt_nodes(void *new_blob)
nodename,
&carveout,
NULL, 0,
- NULL, true);
+ NULL, flags);
free(oldname);
if (ret < 0)