1 files changed, 75 insertions, 0 deletions
diff --git a/src/arch/arm64/early_console.c b/src/arch/arm64/early_console.c
new file mode 100644
index 0000000000..aa287a3009
--- /dev/null
+++ b/src/arch/arm64/early_console.c
@@ -0,0 +1,75 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * 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/vtxprintf.h>
+
+/* FIXME: need to make console driver more generic */
+void console_tx_byte(unsigned char byte)
+{
+	if (byte == '\n')
+		console_tx_byte('\r');
+
+#if CONFIG_CONSOLE_SERIAL8250MEM
+	if (oxford_oxpcie_present) {
+		uart8250_mem_tx_byte(
+			CONFIG_OXFORD_OXPCIE_BASE_ADDRESS + 0x1000, byte);
+	}
+#endif
+#if CONFIG_CONSOLE_SERIAL_UART
+	uart_tx_byte(byte);
+#endif
+#if CONFIG_USBDEBUG
+	usbdebug_tx_byte(0, byte);
+#endif
+#if CONFIG_CONSOLE_CBMEM && !defined(__BOOT_BLOCK__)
+	cbmemc_tx_byte(byte);
+#endif
+}
+
+void console_tx_flush(void)
+{
+#if CONFIG_CONSOLE_SERIAL8250MEM
+	uart8250_mem_tx_flush(CONFIG_OXFORD_OXPCIE_BASE_ADDRESS + 0x1000);
+#endif
+#if CONFIG_CONSOLE_SERIAL_UART
+	uart_tx_flush();
+#endif
+#if CONFIG_USBDEBUG
+	usbdebug_tx_flush(0);
+#endif
+}
+
+int do_printk(int msg_level, const char *fmt, ...)
+{
+	va_list args;
+	int i;
+
+	if (msg_level > console_loglevel) {
+		return 0;
+	}
+
+	va_start(args, fmt);
+	i = vtxprintf(console_tx_byte, fmt, args);
+	va_end(args);
+
+	console_tx_flush();
+
+	return i;
+}