[U-Boot] [PATCH 19/29] dm: serial: Don't support CONFIG_CONS_INDEX with device tree
Simon Glass
sjg at chromium.org
Sat Feb 28 06:06:43 CET 2015
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 at chromium.org>
---
drivers/serial/serial-uclass.c | 69 ++++++++++++++++++++++--------------------
1 file changed, 37 insertions(+), 32 deletions(-)
diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c
index 13ba606..6531841 100644
--- a/drivers/serial/serial-uclass.c
+++ b/drivers/serial/serial-uclass.c
@@ -32,49 +32,54 @@ 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 */
--
2.2.0.rc0.207.ga3a616c
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