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authorKyösti Mälkki <kyosti.malkki@gmail.com>2014-02-14 10:31:38 +0200
committerKyösti Mälkki <kyosti.malkki@gmail.com>2014-03-04 15:40:34 +0100
commit0567c91b22e36eb07e7c7b8a67cbf6b41778db30 (patch)
tree1d8ee38c3e001f8be09b677554c02addf36292e9 /src/console/uart_console.c
parentab94bbf07221483ec52d072940a8b6206b69dc62 (diff)
console: Use single driver entry for UARTs
UARTs now have unified prototypes and can use a single entry in the list of drivers for ramstage. Change-Id: I315daaf9a83cfa60f1a270146c729907a1d6d45b Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/5308 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/console/uart_console.c')
-rw-r--r--src/console/uart_console.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/console/uart_console.c b/src/console/uart_console.c
new file mode 100644
index 0000000000..e2cd6a8b81
--- /dev/null
+++ b/src/console/uart_console.c
@@ -0,0 +1,59 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2003 Eric Biederman
+ *
+ * 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
+ */
+
+#include <console/console.h>
+#include <console/uart.h>
+
+static void uartmem_init(void)
+{
+ uart_init();
+}
+
+static void uartmem_tx_byte(unsigned char data)
+{
+ uart_tx_byte(data);
+}
+
+static void uartmem_tx_flush(void)
+{
+ uart_tx_flush();
+}
+
+static unsigned char uartmem_rx_byte(void)
+{
+ return uart_rx_byte();
+}
+
+/* This only relevant with x86 with GDB_STUB enabled.*/
+static int uartmem_tst_byte(void)
+{
+#if CONFIG_CONSOLE_SERIAL8250 || CONFIG_CONSOLE_SERIAL8250MEM
+ return uart_can_rx_byte();
+#else
+ return 0;
+#endif
+}
+
+static const struct console_driver uart_console __console = {
+ .init = uartmem_init,
+ .tx_byte = uartmem_tx_byte,
+ .tx_flush = uartmem_tx_flush,
+ .rx_byte = uartmem_rx_byte,
+ .tst_byte = uartmem_tst_byte,
+};