Prepare some api for DM (#7894)

Signed-off-by: GuEe-GUI <[email protected]>

3 files changed, 13 insertions, 0 deletions

diff --git a/components/mm/ioremap.c b/components/mm/ioremap.c
index 04f09fdbaf..5d31185e57 100644
--- a/components/mm/ioremap.c
+++ b/components/mm/ioremap.c
@@ -76,6 +76,16 @@ static void *_ioremap_type(void *paddr, size_t size, enum ioremap_type type)
     return v_addr;
 }
 
+rt_weak void *rt_ioremap_early(void *paddr, size_t size)
+{
+    if (!size)
+    {
+        return RT_NULL;
+    }
+
+    return paddr;
+}
+
 void *rt_ioremap(void *paddr, size_t size)
 {
     return _ioremap_type(paddr, size, MM_AREA_TYPE_PHY);
diff --git a/components/mm/ioremap.h b/components/mm/ioremap.h
index 7ac9d196a9..f17b5d5fff 100644
--- a/components/mm/ioremap.h
+++ b/components/mm/ioremap.h
@@ -30,6 +30,7 @@ extern "C" {
  *                    | Currently as non-cacheable
  */
 
+void *rt_ioremap_early(void *paddr, size_t size);
 void *rt_ioremap(void *paddr, size_t size);
 void *rt_ioremap_nocache(void *paddr, size_t size);
 void *rt_ioremap_cached(void *paddr, size_t size);
diff --git a/components/mm/mm_page.h b/components/mm/mm_page.h
index 99cb5a804e..a0171d6672 100644
--- a/components/mm/mm_page.h
+++ b/components/mm/mm_page.h
@@ -63,6 +63,8 @@ typedef struct tag_region
 {
     rt_size_t start;
     rt_size_t end;
+
+    const char *name;
 } rt_region_t;
 
 extern const rt_size_t rt_mpr_size;