ARM: uniphier: add PH1-LD11 SoC support
This is a low-cost ARMv8 SoC from Socionext Inc.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/early-clk/early-clk-ld11.c b/arch/arm/mach-uniphier/early-clk/early-clk-ld11.c
new file mode 100644
index 0000000..c94d83c
--- /dev/null
+++ b/arch/arm/mach-uniphier/early-clk/early-clk-ld11.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2016 Socionext Inc.
+ * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/io.h>
+
+#include "../init.h"
+#include "../sc64-regs.h"
+
+int uniphier_ld11_early_clk_init(const struct uniphier_board_data *bd)
+{
+ u32 tmp;
+
+ /* deassert reset */
+ tmp = readl(SC_RSTCTRL7);
+ tmp |= SC_RSTCTRL7_UMC31 | SC_RSTCTRL7_UMC30;
+ writel(tmp, SC_RSTCTRL7);
+
+ /* provide clocks */
+ tmp = readl(SC_CLKCTRL4);
+ tmp |= SC_CLKCTRL4_PERI;
+ writel(tmp, SC_CLKCTRL4);
+
+ tmp = readl(SC_CLKCTRL7);
+ tmp |= SC_CLKCTRL7_UMC31 | SC_CLKCTRL7_UMC30;
+ writel(tmp, SC_CLKCTRL7);
+
+ return 0;
+}