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fdtdec: Support reserved-memory flags

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Reserved memory nodes can have additional flags. Support reading and
writing these flags to ensure that reserved memory nodes can be properly
parsed and emitted.

This converts support for the existing "no-map" flag to avoid extending
the argument list for fdtdec_add_reserved_memory() to excessive length.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Thierry Reding
2021-09-03 15:16:21 +02:00
committed by Tom Warren
parent 9019487608
commit b9aad37591
10 changed files with 50 additions and 34 deletions
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13
test/dm/fdtdec.c
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@@ -29,17 +29,17 @@ static int dm_test_fdtdec_set_carveout(struct unit_test_state *uts)
resv.start = 0x1000;
resv.end = 0x2000;
ut_assertok(fdtdec_set_carveout(blob, "/a-test", "memory-region", 2,
&resv, "test_resv1", NULL, 0));
&resv, "test_resv1", NULL, 0, 0));
resv.start = 0x10000;
resv.end = 0x20000;
ut_assertok(fdtdec_set_carveout(blob, "/a-test", "memory-region", 1,
&resv, "test_resv2", NULL, 0));
&resv, "test_resv2", NULL, 0, 0));
resv.start = 0x100000;
resv.end = 0x200000;
ut_assertok(fdtdec_set_carveout(blob, "/a-test", "memory-region", 0,
&resv, "test_resv3", NULL, 0));
&resv, "test_resv3", NULL, 0, 0));
offset = fdt_path_offset(blob, "/a-test");
ut_assert(offset > 0);
@@ -64,6 +64,7 @@ static int dm_test_fdtdec_add_reserved_memory(struct unit_test_state *uts)
fdt_addr_t addr;
fdt_size_t size;
void *blob;
unsigned long flags = FDTDEC_RESERVED_MEMORY_NO_MAP;
int blob_sz, parent, subnode;
uint32_t phandle, phandle1;
@@ -78,7 +79,7 @@ static int dm_test_fdtdec_add_reserved_memory(struct unit_test_state *uts)
resv.start = 0x1000;
resv.end = 0x1fff;
ut_assertok(fdtdec_add_reserved_memory(blob, "rsvd_region", &resv,
NULL, 0, &phandle, false));
NULL, 0, &phandle, 0));
/* Test /reserve-memory and its subnode should exist */
parent = fdt_path_offset(blob, "/reserved-memory");
@@ -99,7 +100,7 @@ static int dm_test_fdtdec_add_reserved_memory(struct unit_test_state *uts)
resv.start = 0x2000;
resv.end = 0x2fff;
ut_assertok(fdtdec_add_reserved_memory(blob, "rsvd_region1", &resv,
NULL, 0, &phandle1, true));
NULL, 0, &phandle1, flags));
subnode = fdt_path_offset(blob, "/reserved-memory/rsvd_region1");
ut_assert(subnode > 0);
@@ -116,7 +117,7 @@ static int dm_test_fdtdec_add_reserved_memory(struct unit_test_state *uts)
resv.start = 0x1000;
resv.end = 0x1fff;
ut_assertok(fdtdec_add_reserved_memory(blob, "rsvd_region2", &resv,
NULL, 0, &phandle1, false));
NULL, 0, &phandle1, 0));
subnode = fdt_path_offset(blob, "/reserved-memory/rsvd_region2");
ut_assert(subnode < 0);