dm: serial: Don't support CONFIG_CONS_INDEX with device tree
authorSimon Glass <sjg@chromium.org>
Tue, 12 May 2015 20:55:05 +0000 (14:55 -0600)
committerSimon Glass <sjg@chromium.org>
Thu, 11 Jun 2015 01:26:55 +0000 (19:26 -0600)
This feature should be deprecated for new boards, and significantly adds
to SPL code size. Drop it. Instead, we can use stdout-path in the /chosen
node.

Signed-off-by: Simon Glass <sjg@chromium.org>
drivers/serial/serial-uclass.c

index b8c2f482288913475af367869b0ab086e6fd5943..5674d5e538aec370b9e9c33997dd2bfd31b5ae63 100644 (file)
@@ -30,49 +30,54 @@ static const unsigned long baudrate_table[] = CONFIG_SYS_BAUDRATE_TABLE;
 static void serial_find_console_or_panic(void)
 {
        struct udevice *dev;
-
-#ifdef CONFIG_OF_CONTROL
        int node;
 
-       /* Check for a chosen console */
-       node = fdtdec_get_chosen_node(gd->fdt_blob, "stdout-path");
-       if (node < 0)
-               node = fdt_path_offset(gd->fdt_blob, "console");
-       if (!uclass_get_device_by_of_offset(UCLASS_SERIAL, node, &dev)) {
-               gd->cur_serial_dev = dev;
-               return;
-       }
-
-       /*
-        * If the console is not marked to be bound before relocation, bind
-        * it anyway.
-        */
-       if (node > 0 &&
-           !lists_bind_fdt(gd->dm_root, gd->fdt_blob, node, &dev)) {
-               if (!device_probe(dev)) {
+       if (OF_CONTROL) {
+               /* Check for a chosen console */
+               node = fdtdec_get_chosen_node(gd->fdt_blob, "stdout-path");
+               if (node < 0)
+                       node = fdt_path_offset(gd->fdt_blob, "console");
+               if (!uclass_get_device_by_of_offset(UCLASS_SERIAL, node,
+                                                   &dev)) {
                        gd->cur_serial_dev = dev;
                        return;
                }
-       }
-#endif
-       /*
-        * Try to use CONFIG_CONS_INDEX if available (it is numbered from 1!).
-        *
-        * Failing that, get the device with sequence number 0, or in extremis
-        * just the first serial device we can find. But we insist on having
-        * a console (even if it is silent).
-        */
+
+               /*
+               * If the console is not marked to be bound before relocation,
+               * bind it anyway.
+               */
+               if (node > 0 &&
+                   !lists_bind_fdt(gd->dm_root, gd->fdt_blob, node, &dev)) {
+                       if (!device_probe(dev)) {
+                               gd->cur_serial_dev = dev;
+                               return;
+                       }
+               }
+       } else {
+               /*
+               * Try to use CONFIG_CONS_INDEX if available (it is numbered
+               * from 1!).
+               *
+               * Failing that, get the device with sequence number 0, or in
+               * extremis just the first serial device we can find. But we
+               * insist on having a console (even if it is silent).
+               */
 #ifdef CONFIG_CONS_INDEX
 #define INDEX (CONFIG_CONS_INDEX - 1)
 #else
 #define INDEX 0
 #endif
-       if (uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) &&
-           uclass_get_device(UCLASS_SERIAL, INDEX, &dev) &&
-           (uclass_first_device(UCLASS_SERIAL, &dev) || !dev))
-               panic_str("No serial driver found");
+               if (!uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) ||
+                   !uclass_get_device(UCLASS_SERIAL, INDEX, &dev) ||
+                   (!uclass_first_device(UCLASS_SERIAL, &dev) || dev)) {
+                       gd->cur_serial_dev = dev;
+                       return;
+               }
 #undef INDEX
-       gd->cur_serial_dev = dev;
+       }
+
+       panic_str("No serial driver found");
 }
 
 /* Called prior to relocation */