summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJan Remes <jan.remes@codasip.com>2022-05-13 13:58:41 +0300
committerAnup Patel <anup@brainfault.org>2022-05-14 07:46:50 +0300
commit616da52e186dfecb767ee7bd5913ef70028a422d (patch)
tree1eb76d7d7e3e650d9aa700daac01528f0d5479df
parent90a9dd2b22bb5441df85a23e4e4690bec14fa1e5 (diff)
downloadopensbi-616da52e186dfecb767ee7bd5913ef70028a422d.tar.xz
lib: utils: check if CPU node is enabled
Ignore CPU nodes in FDT that are not enabled. Signed-off-by: Jan Remes <jan.remes@codasip.com> Reviewed-by: Anup Patel <anup@brainfault.org>
-rw-r--r--lib/utils/fdt/fdt_domain.c14
-rw-r--r--lib/utils/fdt/fdt_fixup.c3
-rw-r--r--lib/utils/fdt/fdt_helper.c3
3 files changed, 19 insertions, 1 deletions
diff --git a/lib/utils/fdt/fdt_domain.c b/lib/utils/fdt/fdt_domain.c
index 676c757..bd0eec3 100644
--- a/lib/utils/fdt/fdt_domain.c
+++ b/lib/utils/fdt/fdt_domain.c
@@ -165,6 +165,9 @@ void fdt_domain_fixup(void *fdt)
if (err)
continue;
+ if (!fdt_node_is_enabled(fdt, doffset))
+ continue;
+
fdt_nop_property(fdt, doffset, "opensbi-domain");
}
@@ -308,6 +311,9 @@ static int __fdt_parse_domain(void *fdt, int domain_offset, void *opaque)
if (err)
return err;
+ if (!fdt_node_is_enabled(fdt, cpu_offset))
+ continue;
+
sbi_hartmask_set_hart(val32, mask);
}
}
@@ -347,7 +353,7 @@ static int __fdt_parse_domain(void *fdt, int domain_offset, void *opaque)
if (val && len >= 4) {
cpu_offset = fdt_node_offset_by_phandle(fdt,
fdt32_to_cpu(*val));
- if (cpu_offset >= 0)
+ if (cpu_offset >= 0 && fdt_node_is_enabled(fdt, cpu_offset))
fdt_parse_hart_id(fdt, cpu_offset, &val32);
} else {
if (domain_offset == *cold_domain_offset)
@@ -414,6 +420,9 @@ static int __fdt_parse_domain(void *fdt, int domain_offset, void *opaque)
if (SBI_HARTMASK_MAX_BITS <= val32)
continue;
+ if (!fdt_node_is_enabled(fdt, cpu_offset))
+ continue;
+
val = fdt_getprop(fdt, cpu_offset, "opensbi-domain", &len);
if (!val || len < 4)
return SBI_EINVAL;
@@ -460,6 +469,9 @@ int fdt_domains_populate(void *fdt)
if (hartid != cold_hartid)
continue;
+ if (!fdt_node_is_enabled(fdt, cpu_offset))
+ continue;
+
val = fdt_getprop(fdt, cpu_offset, "opensbi-domain", &len);
if (val && len >= 4)
cold_domain_offset = fdt_node_offset_by_phandle(fdt,
diff --git a/lib/utils/fdt/fdt_fixup.c b/lib/utils/fdt/fdt_fixup.c
index a80bd82..d1050bb 100644
--- a/lib/utils/fdt/fdt_fixup.c
+++ b/lib/utils/fdt/fdt_fixup.c
@@ -38,6 +38,9 @@ void fdt_cpu_fixup(void *fdt)
if (err)
continue;
+ if (!fdt_node_is_enabled(fdt, cpu_offset))
+ continue;
+
/*
* Disable a HART DT node if one of the following is true:
* 1. The HART is not assigned to the current domain
diff --git a/lib/utils/fdt/fdt_helper.c b/lib/utils/fdt/fdt_helper.c
index 3b45ae8..5db3fbe 100644
--- a/lib/utils/fdt/fdt_helper.c
+++ b/lib/utils/fdt/fdt_helper.c
@@ -283,6 +283,9 @@ int fdt_parse_max_hart_id(void *fdt, u32 *max_hartid)
if (err)
continue;
+ if (!fdt_node_is_enabled(fdt, cpu_offset))
+ continue;
+
if (hartid > *max_hartid)
*max_hartid = hartid;
}