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authorMasahiro Yamada <yamada.masahiro@socionext.com>2016-03-18 16:41:43 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2016-03-24 01:42:13 +0900
commitea65c98050f0f13f933119e1d073c8a138481ee4 (patch)
tree47fd29a996ceb41bfb974dc09b02ae518d3412d6 /arch/arm/mach-uniphier/clk/clk-ld4.c
parent013dcc7863b990f7bd0680e1ced320bf6a963e8f (diff)
downloadtalos-obmc-uboot-ea65c98050f0f13f933119e1d073c8a138481ee4.tar.gz
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ARM: uniphier: drop PH1- prefix from CONFIG options and file names
The current CONFIG names like "CONFIG_ARCH_UNIPHIER_PH1_PRO4" is too long. It would not hurt to drop "PH1_" because "UNIPHIER_" already well specifies the SoC family. Also, rename files for consistency. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'arch/arm/mach-uniphier/clk/clk-ld4.c')
-rw-r--r--arch/arm/mach-uniphier/clk/clk-ld4.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/clk/clk-ld4.c b/arch/arm/mach-uniphier/clk/clk-ld4.c
new file mode 100644
index 0000000000..7a34beea03
--- /dev/null
+++ b/arch/arm/mach-uniphier/clk/clk-ld4.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/io.h>
+
+#include "../init.h"
+#include "../sc-regs.h"
+
+void ph1_ld4_clk_init(void)
+{
+ u32 tmp;
+
+ /* deassert reset */
+ tmp = readl(SC_RSTCTRL);
+#ifdef CONFIG_UNIPHIER_ETH
+ tmp |= SC_RSTCTRL_NRST_ETHER;
+#endif
+#ifdef CONFIG_USB_EHCI
+ tmp |= SC_RSTCTRL_NRST_STDMAC;
+#endif
+#ifdef CONFIG_NAND_DENALI
+ tmp |= SC_RSTCTRL_NRST_NAND;
+#endif
+ writel(tmp, SC_RSTCTRL);
+ readl(SC_RSTCTRL); /* dummy read */
+
+ /* privide clocks */
+ tmp = readl(SC_CLKCTRL);
+#ifdef CONFIG_UNIPHIER_ETH
+ tmp |= SC_CLKCTRL_CEN_ETHER;
+#endif
+#ifdef CONFIG_USB_EHCI
+ tmp |= SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_STDMAC;
+#endif
+#ifdef CONFIG_NAND_DENALI
+ tmp |= SC_CLKCTRL_CEN_NAND;
+#endif
+ writel(tmp, SC_CLKCTRL);
+ readl(SC_CLKCTRL); /* dummy read */
+}
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