common: Drop linux/delay.h from common header
[oweals/u-boot.git] / drivers / serial / serial-uclass.c
index e50f0aa851061fd2a1f00fa2f5225a699bf55f5e..a0af0e6bfde265952e2126c7087f4b9053c9417b 100644 (file)
@@ -5,8 +5,9 @@
 
 #include <common.h>
 #include <dm.h>
-#include <environment.h>
+#include <env_internal.h>
 #include <errno.h>
+#include <malloc.h>
 #include <os.h>
 #include <serial.h>
 #include <stdio_dev.h>
@@ -14,6 +15,7 @@
 #include <dm/lists.h>
 #include <dm/device-internal.h>
 #include <dm/of_access.h>
+#include <linux/delay.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -29,29 +31,31 @@ static const unsigned long baudrate_table[] = CONFIG_SYS_BAUDRATE_TABLE;
 #if CONFIG_IS_ENABLED(SERIAL_PRESENT)
 static int serial_check_stdout(const void *blob, struct udevice **devp)
 {
-       int node;
+       int node = -1;
+       const char *str, *p, *name;
+       int namelen;
 
        /* Check for a chosen console */
-       node = fdtdec_get_chosen_node(blob, "stdout-path");
-       if (node < 0) {
-               const char *str, *p, *name;
-
-               /*
-                * Deal with things like
-                *      stdout-path = "serial0:115200n8";
-                *
-                * We need to look up the alias and then follow it to the
-                * correct node.
-                */
-               str = fdtdec_get_chosen_prop(blob, "stdout-path");
-               if (str) {
-                       p = strchr(str, ':');
-                       name = fdt_get_alias_namelen(blob, str,
-                                       p ? p - str : strlen(str));
+       str = fdtdec_get_chosen_prop(blob, "stdout-path");
+       if (str) {
+               p = strchr(str, ':');
+               namelen = p ? p - str : strlen(str);
+               node = fdt_path_offset_namelen(blob, str, namelen);
+
+               if (node < 0) {
+                       /*
+                        * Deal with things like
+                        *      stdout-path = "serial0:115200n8";
+                        *
+                        * We need to look up the alias and then follow it to
+                        * the correct node.
+                        */
+                       name = fdt_get_alias_namelen(blob, str, namelen);
                        if (name)
                                node = fdt_path_offset(blob, name);
                }
        }
+
        if (node < 0)
                node = fdt_path_offset(blob, "console");
        if (!uclass_get_device_by_of_offset(UCLASS_SERIAL, node, devp))
@@ -62,7 +66,7 @@ static int serial_check_stdout(const void *blob, struct udevice **devp)
         * anyway.
         */
        if (node > 0 && !lists_bind_fdt(gd->dm_root, offset_to_ofnode(node),
-                                       devp)) {
+                                       devp, false)) {
                if (!device_probe(*devp))
                        return 0;
        }
@@ -159,6 +163,7 @@ int serial_init(void)
 #if CONFIG_IS_ENABLED(SERIAL_PRESENT)
        serial_find_console_or_panic();
        gd->flags |= GD_FLG_SERIAL_READY;
+       serial_setbrg();
 #endif
 
        return 0;
@@ -294,20 +299,44 @@ void serial_setbrg(void)
                ops->setbrg(gd->cur_serial_dev, gd->baudrate);
 }
 
-int serial_setconfig(uint config)
+int serial_getconfig(struct udevice *dev, uint *config)
 {
        struct dm_serial_ops *ops;
 
-       if (!gd->cur_serial_dev)
-               return 0;
+       ops = serial_get_ops(dev);
+       if (ops->getconfig)
+               return ops->getconfig(dev, config);
 
-       ops = serial_get_ops(gd->cur_serial_dev);
+       return 0;
+}
+
+int serial_setconfig(struct udevice *dev, uint config)
+{
+       struct dm_serial_ops *ops;
+
+       ops = serial_get_ops(dev);
        if (ops->setconfig)
-               return ops->setconfig(gd->cur_serial_dev, config);
+               return ops->setconfig(dev, config);
 
        return 0;
 }
 
+int serial_getinfo(struct udevice *dev, struct serial_device_info *info)
+{
+       struct dm_serial_ops *ops;
+
+       if (!info)
+               return -EINVAL;
+
+       info->baudrate = gd->baudrate;
+
+       ops = serial_get_ops(dev);
+       if (ops->getinfo)
+               return ops->getinfo(dev, info);
+
+       return -EINVAL;
+}
+
 void serial_stdio_init(void)
 {
 }
@@ -419,12 +448,16 @@ static int serial_post_probe(struct udevice *dev)
                ops->pending += gd->reloc_off;
        if (ops->clear)
                ops->clear += gd->reloc_off;
+       if (ops->getconfig)
+               ops->getconfig += gd->reloc_off;
        if (ops->setconfig)
                ops->setconfig += gd->reloc_off;
 #if CONFIG_POST & CONFIG_SYS_POST_UART
        if (ops->loop)
-               ops->loop += gd->reloc_off
+               ops->loop += gd->reloc_off;
 #endif
+       if (ops->getinfo)
+               ops->getinfo += gd->reloc_off;
 #endif
        /* Set the baud rate */
        if (ops->setbrg) {