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authorStephen Warren <swarren@nvidia.com>2016-08-05 09:47:51 -0600
committerSimon Glass <sjg@chromium.org>2016-08-12 09:20:27 -0600
commit6e06acb73248e32457064d8fe820cbc217c45f3f (patch)
tree106717d17611a41e530114091fd12693233759bc /lib
parent11e44fc6bda2248271d26a8488f5efe189b55a30 (diff)
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fdt: allow fdtdec_get_addr_size_*() to translate addresses
Some code may want to read reg values from DT, but from nodes that aren't associated with DM devices, so using dev_get_addr_index() isn't appropriate. In this case, fdtdec_get_addr_size_*() are the functions to use. However, "translation" (via the chain of ranges properties in parent nodes) may still be desirable. Add a function parameter to request that, and implement it. Update all call sites to default to the original behaviour. Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org> Squashed in build fix from Stephen: Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/fdtdec.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 462a24f..e638ca5 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -9,6 +9,7 @@
#include <errno.h>
#include <serial.h>
#include <libfdt.h>
+#include <fdt_support.h>
#include <fdtdec.h>
#include <asm/sections.h>
#include <linux/ctype.h>
@@ -77,7 +78,7 @@ const char *fdtdec_get_compatible(enum fdt_compat_id id)
fdt_addr_t fdtdec_get_addr_size_fixed(const void *blob, int node,
const char *prop_name, int index, int na, int ns,
- fdt_size_t *sizep)
+ fdt_size_t *sizep, bool translate)
{
const fdt32_t *prop, *prop_end;
const fdt32_t *prop_addr, *prop_size, *prop_after_size;
@@ -112,7 +113,12 @@ fdt_addr_t fdtdec_get_addr_size_fixed(const void *blob, int node,
return FDT_ADDR_T_NONE;
}
- addr = fdtdec_get_number(prop_addr, na);
+#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_OF_LIBFDT)
+ if (translate)
+ addr = fdt_translate_address(blob, node, prop_addr);
+ else
+#endif
+ addr = fdtdec_get_number(prop_addr, na);
if (sizep) {
*sizep = fdtdec_get_number(prop_size, ns);
@@ -126,7 +132,8 @@ fdt_addr_t fdtdec_get_addr_size_fixed(const void *blob, int node,
}
fdt_addr_t fdtdec_get_addr_size_auto_parent(const void *blob, int parent,
- int node, const char *prop_name, int index, fdt_size_t *sizep)
+ int node, const char *prop_name, int index, fdt_size_t *sizep,
+ bool translate)
{
int na, ns;
@@ -147,11 +154,12 @@ fdt_addr_t fdtdec_get_addr_size_auto_parent(const void *blob, int parent,
debug("na=%d, ns=%d, ", na, ns);
return fdtdec_get_addr_size_fixed(blob, node, prop_name, index, na,
- ns, sizep);
+ ns, sizep, translate);
}
fdt_addr_t fdtdec_get_addr_size_auto_noparent(const void *blob, int node,
- const char *prop_name, int index, fdt_size_t *sizep)
+ const char *prop_name, int index, fdt_size_t *sizep,
+ bool translate)
{
int parent;
@@ -164,7 +172,7 @@ fdt_addr_t fdtdec_get_addr_size_auto_noparent(const void *blob, int node,
}
return fdtdec_get_addr_size_auto_parent(blob, parent, node, prop_name,
- index, sizep);
+ index, sizep, translate);
}
fdt_addr_t fdtdec_get_addr_size(const void *blob, int node,
@@ -174,7 +182,7 @@ fdt_addr_t fdtdec_get_addr_size(const void *blob, int node,
return fdtdec_get_addr_size_fixed(blob, node, prop_name, 0,
sizeof(fdt_addr_t) / sizeof(fdt32_t),
- ns, sizep);
+ ns, sizep, false);
}
fdt_addr_t fdtdec_get_addr(const void *blob, int node,