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Diffstat (limited to 'arch/arm/mach-uniphier/debug-uart/debug-uart-sld8.c')
-rw-r--r--arch/arm/mach-uniphier/debug-uart/debug-uart-sld8.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/debug-uart/debug-uart-sld8.c b/arch/arm/mach-uniphier/debug-uart/debug-uart-sld8.c
new file mode 100644
index 0000000000..68d390cb7f
--- /dev/null
+++ b/arch/arm/mach-uniphier/debug-uart/debug-uart-sld8.c
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <config.h>
+#include <linux/kernel.h>
+
+#include "../sg-regs.h"
+#include "debug-uart.h"
+
+#define UNIPHIER_SLD8_UART_CLK 80000000
+
+unsigned int uniphier_sld8_debug_uart_init(void)
+{
+ sg_set_iectrl(0);
+ sg_set_pinsel(70, 3, 8, 4); /* HSDOUT6 -> TXD0 */
+
+ return DIV_ROUND_CLOSEST(UNIPHIER_SLD8_UART_CLK, 16 * CONFIG_BAUDRATE);
+}
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