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Diffstat (limited to 'src/soc/amd/picasso/uart.c')
-rw-r--r--src/soc/amd/picasso/uart.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/uart.c b/src/soc/amd/picasso/uart.c
new file mode 100644
index 0000000000..d5d30061bf
--- /dev/null
+++ b/src/soc/amd/picasso/uart.c
@@ -0,0 +1,30 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Advanced Micro Devices, Inc.
+ *
+ * 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.
+ */
+
+#include <console/uart.h>
+#include <soc/southbridge.h>
+
+uintptr_t uart_platform_base(int idx)
+{
+ if (CONFIG_UART_FOR_CONSOLE < 0 || CONFIG_UART_FOR_CONSOLE > 1)
+ return 0;
+
+ return (uintptr_t)(APU_UART0_BASE + 0x2000 * (idx & 1));
+}
+
+unsigned int uart_platform_refclk(void)
+{
+ return 48000000;
+}