[PATCH u-boot-dm + u-boot-spi v4 01/10] dm: core: add non-translating version of ofnode_get_addr_size_index()
Marek Behún
marek.behun at nic.cz
Wed May 26 14:08:17 CEST 2021
Add functions ofnode_get_addr_size_index_notrans(), which is a
non-translating version of ofnode_get_addr_size_index().
Some addresses are not meant to be translated, for example those of MTD
fixed-partitions.
Signed-off-by: Marek Behún <marek.behun at nic.cz>
Reviewed-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Miquel Raynal <miquel.raynal at bootlin.com>
Tested-by: Patrice Chotard <patrice.chotard at foss.st.com>
---
drivers/core/ofnode.c | 19 ++++++++++++++++---
include/dm/ofnode.h | 17 +++++++++++++++++
test/dm/ofnode.c | 5 +++++
3 files changed, 38 insertions(+), 3 deletions(-)
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index 6c771e364f..dd34cf8ca3 100644
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -299,7 +299,8 @@ ofnode ofnode_get_by_phandle(uint phandle)
return node;
}
-fdt_addr_t ofnode_get_addr_size_index(ofnode node, int index, fdt_size_t *size)
+static fdt_addr_t __ofnode_get_addr_size_index(ofnode node, int index,
+ fdt_size_t *size, bool translate)
{
int na, ns;
@@ -319,7 +320,7 @@ fdt_addr_t ofnode_get_addr_size_index(ofnode node, int index, fdt_size_t *size)
ns = of_n_size_cells(ofnode_to_np(node));
- if (IS_ENABLED(CONFIG_OF_TRANSLATE) && ns > 0) {
+ if (translate && IS_ENABLED(CONFIG_OF_TRANSLATE) && ns > 0) {
return of_translate_address(ofnode_to_np(node), prop_val);
} else {
na = of_n_addr_cells(ofnode_to_np(node));
@@ -330,12 +331,24 @@ fdt_addr_t ofnode_get_addr_size_index(ofnode node, int index, fdt_size_t *size)
ns = ofnode_read_simple_size_cells(ofnode_get_parent(node));
return fdtdec_get_addr_size_fixed(gd->fdt_blob,
ofnode_to_offset(node), "reg",
- index, na, ns, size, true);
+ index, na, ns, size,
+ translate);
}
return FDT_ADDR_T_NONE;
}
+fdt_addr_t ofnode_get_addr_size_index(ofnode node, int index, fdt_size_t *size)
+{
+ return __ofnode_get_addr_size_index(node, index, size, true);
+}
+
+fdt_addr_t ofnode_get_addr_size_index_notrans(ofnode node, int index,
+ fdt_size_t *size)
+{
+ return __ofnode_get_addr_size_index(node, index, size, false);
+}
+
fdt_addr_t ofnode_get_addr_index(ofnode node, int index)
{
fdt_size_t size;
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h
index 8a69fd87da..e3fccb506e 100644
--- a/include/dm/ofnode.h
+++ b/include/dm/ofnode.h
@@ -489,6 +489,23 @@ int ofnode_read_size(ofnode node, const char *propname);
phys_addr_t ofnode_get_addr_size_index(ofnode node, int index,
fdt_size_t *size);
+/**
+ * ofnode_get_addr_size_index_notrans() - get an address/size from a node
+ * based on index, without address
+ * translation
+ *
+ * This reads the register address/size from a node based on index.
+ * The resulting address is not translated. Useful for example for on-disk
+ * addresses.
+ *
+ * @node: node to read from
+ * @index: Index of address to read (0 for first)
+ * @size: Pointer to size of the address
+ * @return address, or FDT_ADDR_T_NONE if not present or invalid
+ */
+phys_addr_t ofnode_get_addr_size_index_notrans(ofnode node, int index,
+ fdt_size_t *size);
+
/**
* ofnode_get_addr_index() - get an address from a node
*
diff --git a/test/dm/ofnode.c b/test/dm/ofnode.c
index e0b525eeb1..9a69cf70c1 100644
--- a/test/dm/ofnode.c
+++ b/test/dm/ofnode.c
@@ -289,6 +289,11 @@ static int dm_test_ofnode_get_reg(struct unit_test_state *uts)
ut_asserteq(FDT_ADDR_T_NONE, addr);
ut_asserteq(FDT_SIZE_T_NONE, size);
+ node = ofnode_path("/translation-test at 8000/noxlatebus at 3,300/dev at 42");
+ ut_assert(ofnode_valid(node));
+ addr = ofnode_get_addr_size_index_notrans(node, 0, &size);
+ ut_asserteq_64(0x42, addr);
+
return 0;
}
DM_TEST(dm_test_ofnode_get_reg, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
--
2.26.3
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