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-rw-r--r--src/console/Kconfig24
-rw-r--r--src/include/uart.h33
2 files changed, 53 insertions, 4 deletions
diff --git a/src/console/Kconfig b/src/console/Kconfig
index f4e35286e8..117fdb890a 100644
--- a/src/console/Kconfig
+++ b/src/console/Kconfig
@@ -1,18 +1,33 @@
menu "Console"
-# TODO: Rename to SERIAL_CONSOLE once Kconfig transition is complete.
-config CONSOLE_SERIAL8250
+config SERIAL_CONSOLE
bool "Serial port console output"
+ default y
+ help
+ Send coreboot debug output to a serial port
+
+config CONSOLE_SERIAL8250
+ bool "Serial port console output (I/O mapped, 8250-compatible)"
+ depends on SERIAL_CONSOLE
depends on HAVE_UART_IO_MAPPED
default y
help
Send coreboot debug output to an I/O mapped serial port console.
config CONSOLE_SERIAL8250MEM
- bool "Serial port console output (memory mapped)"
+ bool "Serial port console output (memory mapped, 8250-compatible)"
+ depends on SERIAL_CONSOLE
depends on HAVE_UART_MEMORY_MAPPED
help
Send coreboot debug output to a memory mapped serial port console.
+config CONSOLE_SERIAL_NONSTANDARD_MEM
+ bool "Serial port console output (memory-mapped, device-specific)"
+ depends on SERIAL_CONSOLE
+ depends on HAVE_UART_MEMORY_MAPPED
+ help
+ Send coreboot debug output to a memory mapped serial port console
+ on a device-specific UART.
+
choice
prompt "Serial port"
default CONSOLE_SERIAL_COM1
@@ -50,7 +65,7 @@ config TTYS0_BASE
choice
prompt "Baud rate"
default CONSOLE_SERIAL_115200
- depends on CONSOLE_SERIAL8250 || CONSOLE_SERIAL8250MEM
+ depends on SERIAL_CONSOLE
config CONSOLE_SERIAL_115200
bool "115200"
@@ -75,6 +90,7 @@ config CONSOLE_SERIAL_9600
endchoice
+#FIXME(dhendrix): Change name to SERIAL_BAUD? (Stefan sayz: yes!!)
config TTYS0_BAUD
int
default 115200 if CONSOLE_SERIAL_115200
diff --git a/src/include/uart.h b/src/include/uart.h
new file mode 100644
index 0000000000..931d6dce82
--- /dev/null
+++ b/src/include/uart.h
@@ -0,0 +1,33 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 The ChromiumOS Authors. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * FIXME(dhendrix): This file contains generic prototypes for UART functions.
+ * The existing headers are too specific to the 8250, so we need a better
+ * abstraction for use with non-8250 UARTs.
+ */
+
+#ifndef UART_H
+#define UART_H
+
+unsigned char uart_rx_byte(void);
+void uart_tx_byte(unsigned char data);
+void uart_tx_flush(void);
+
+void uart_init(void);
+
+#endif /* UART_H */