Hello.
On 30-04-2012 15:32, John Crispin wrote:
Add __dt_setup_arch() that can be called to load a builtin DT.
Additionally we add a macro to allow loading a specific symbol
from the __dtb_* section.
Signed-off-by: Ralf Baechle<ralf@xxxxxxxxxxxxxx>
Signed-off-by: John Crispin<blogic@xxxxxxxxxxx>
---
arch/mips/include/asm/prom.h | 11 +++++++++++
arch/mips/kernel/prom.c | 14 ++++++++++++++
2 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c
index 558b539..271ad98 100644
--- a/arch/mips/kernel/prom.c
+++ b/arch/mips/kernel/prom.c
@@ -95,3 +95,17 @@ void __init device_tree_init(void)
/* free the space reserved for the dt blob */
free_mem_mach(base, size);
}
+
+void __init __dt_setup_arch(struct boot_param_header *bph)
+{
+ unsigned long size;
+
+ if (be32_to_cpu(bph->magic) != OF_DT_HEADER) {
+ pr_err("DTB has bad magic, ignoring builtin OF DTB\n");
+
+ return;
+ }
+
+ initial_boot_params = bph;
+ size = be32_to_cpu(bph->totalsize);
'size' only assigned, not used.
+}
WBR, Sergei
