Prepare some api for DM (#7894)

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

6 files changed, 24 insertions, 8 deletions

diff --git a/components/drivers/ofw/base.c b/components/drivers/ofw/base.c
index 63f6d2702e..6f8f20e806 100644
--- a/components/drivers/ofw/base.c
+++ b/components/drivers/ofw/base.c
@@ -10,6 +10,7 @@
 
 #include <rtthread.h>
 
+#include <string.h>
 #include <drivers/ofw.h>
 #include <drivers/ofw_io.h>
 #include <drivers/ofw_fdt.h>
@@ -249,7 +250,7 @@ rt_bool_t rt_ofw_node_tag_equ(const struct rt_ofw_node *np, const char *tag)
     if (np && tag)
     {
         const char *node_name = rt_fdt_node_name(np->full_name);
-        rt_size_t tag_len = rt_strchrnul(node_name, '@') - node_name;
+        rt_size_t tag_len = strchrnul(node_name, '@') - node_name;
 
         ret = (rt_strlen(tag) == tag_len && !rt_strncmp(node_name, tag, tag_len));
     }
@@ -569,7 +570,7 @@ struct rt_ofw_node *rt_ofw_find_node_by_ids_r(struct rt_ofw_node *from, const st
 
 struct rt_ofw_node *rt_ofw_find_node_by_path(const char *path)
 {
-    struct rt_ofw_node *np, *parent, *tmp;
+    struct rt_ofw_node *np = RT_NULL, *parent, *tmp = RT_NULL;
 
     if (path)
     {
@@ -584,7 +585,7 @@ struct rt_ofw_node *rt_ofw_find_node_by_path(const char *path)
 
             while (*path)
             {
-                const char *next = rt_strchrnul(path, '/');
+                const char *next = strchrnul(path, '/');
                 rt_size_t len = next - path;
 
                 tmp = RT_NULL;
diff --git a/components/drivers/ofw/fdt.c b/components/drivers/ofw/fdt.c
index 1d3388e79d..d64feec9cd 100755
--- a/components/drivers/ofw/fdt.c
+++ b/components/drivers/ofw/fdt.c
@@ -11,6 +11,7 @@
 #include <rthw.h>
 #include <rtthread.h>
 
+#include <string.h>
 #include <drivers/ofw_fdt.h>
 #include <drivers/ofw_raw.h>
 #include <drivers/core/dm.h>
@@ -40,7 +41,7 @@ static rt_size_t _root_addr_cells;
 
 const char *rt_fdt_node_name(const char *full_name)
 {
-    const char *node_name = rt_strrchr(full_name, '/');
+    const char *node_name = strrchr(full_name, '/');
 
     return node_name ? node_name + 1 : full_name;
 }
@@ -701,7 +702,7 @@ rt_err_t rt_fdt_scan_chosen_stdout(void)
 
                 if (stdout_path && len)
                 {
-                    const char *path_split = rt_strchrnul(stdout_path, ':');
+                    const char *path_split = strchrnul(stdout_path, ':');
 
                     if (*path_split != '\0')
                     {
@@ -780,13 +781,13 @@ rt_err_t rt_fdt_scan_chosen_stdout(void)
 
                     if (*options)
                     {
-                        type_len = rt_strchrnul(options, ',') - options;
+                        type_len = strchrnul(options, ',') - options;
                     }
                 }
 
                 if (options && *options && *options != ' ')
                 {
-                    options_len = rt_strchrnul(options, ' ') - options;
+                    options_len = strchrnul(options, ' ') - options;
                 }
 
                 /* console > stdout-path */
diff --git a/components/drivers/ofw/irq.c b/components/drivers/ofw/irq.c
index 69ac3b3d5e..97483d8a5e 100755
--- a/components/drivers/ofw/irq.c
+++ b/components/drivers/ofw/irq.c
@@ -10,6 +10,7 @@
 
 #include <rtthread.h>
 
+#include <string.h>
 #include <drivers/pic.h>
 #include <drivers/ofw.h>
 #include <drivers/ofw_io.h>
@@ -130,7 +131,7 @@ static rt_err_t ofw_parse_irq_map(struct rt_ofw_node *np, struct rt_ofw_cell_arg
      *              <0x1800 0 0   4 &gic    0 0 GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>; // INTD
      *      };
      *
-     * In fact, basically no SoC will be use multi ic to implemented INTx.
+     * In fact, almost no SoC will be use multi IC to implement INTx.
      * before call ofw_parse_irq_map(np, &args):
      *
      *      args.data = addr;
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;