ARM: uniphier: add PH1-Pro5 support
The DDR SDRAM initialization code has not been mainlined yet, but
U-Boot proper should work.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/clk/clk-ph1-pro5.c b/arch/arm/mach-uniphier/clk/clk-ph1-pro5.c
new file mode 100644
index 0000000..f78edbb
--- /dev/null
+++ b/arch/arm/mach-uniphier/clk/clk-ph1-pro5.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/io.h>
+#include <mach/init.h>
+#include <mach/sc-regs.h>
+
+void ph1_pro5_clk_init(void)
+{
+ u32 tmp;
+
+ /* deassert reset */
+ tmp = readl(SC_RSTCTRL);
+#ifdef CONFIG_USB_XHCI_UNIPHIER
+ tmp |= SC_RSTCTRL_NRST_USB3B0 | SC_RSTCTRL_NRST_GIO;
+#endif
+#ifdef CONFIG_NAND_DENALI
+ tmp |= SC_RSTCTRL_NRST_NAND;
+#endif
+ writel(tmp, SC_RSTCTRL);
+ readl(SC_RSTCTRL); /* dummy read */
+
+#ifdef CONFIG_USB_XHCI_UNIPHIER
+ tmp = readl(SC_RSTCTRL2);
+ tmp |= SC_RSTCTRL2_NRST_USB3B1;
+ writel(tmp, SC_RSTCTRL2);
+ readl(SC_RSTCTRL2); /* dummy read */
+#endif
+
+ /* privide clocks */
+ tmp = readl(SC_CLKCTRL);
+#ifdef CONFIG_USB_XHCI_UNIPHIER
+ tmp |= SC_CLKCTRL_CEN_USB31 | SC_CLKCTRL_CEN_USB30 |
+ SC_CLKCTRL_CEN_GIO;
+#endif
+#ifdef CONFIG_NAND_DENALI
+ tmp |= SC_CLKCTRL_CEN_NAND;
+#endif
+ writel(tmp, SC_CLKCTRL);
+ readl(SC_CLKCTRL); /* dummy read */
+}