From 28f40d4a4db2b6c701d349fd4fac286d21369de2 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 22 Sep 2015 00:27:40 +0900 Subject: 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 --- arch/arm/mach-uniphier/clk/Makefile | 1 + arch/arm/mach-uniphier/clk/clk-ph1-pro5.c | 44 +++++++++++++++++++++++++++++++ 2 files changed, 45 insertions(+) create mode 100644 arch/arm/mach-uniphier/clk/clk-ph1-pro5.c (limited to 'arch/arm/mach-uniphier/clk') diff --git a/arch/arm/mach-uniphier/clk/Makefile b/arch/arm/mach-uniphier/clk/Makefile index e6931d6461..873c4f7207 100644 --- a/arch/arm/mach-uniphier/clk/Makefile +++ b/arch/arm/mach-uniphier/clk/Makefile @@ -2,3 +2,4 @@ obj-$(CONFIG_ARCH_UNIPHIER_PH1_SLD3) += clk-ph1-ld4.o obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD4) += clk-ph1-ld4.o obj-$(CONFIG_ARCH_UNIPHIER_PH1_PRO4) += clk-ph1-pro4.o obj-$(CONFIG_ARCH_UNIPHIER_PH1_SLD8) += clk-ph1-ld4.o +obj-$(CONFIG_ARCH_UNIPHIER_PH1_PRO5) += clk-ph1-pro5.o 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 0000000000..f78edbbe3f --- /dev/null +++ b/arch/arm/mach-uniphier/clk/clk-ph1-pro5.c @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2015 Masahiro Yamada + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include + +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 */ +} -- cgit v1.2.1