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| author | Tom Rini <trini@konsulko.com> | 2015-09-24 12:28:02 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2015-09-24 12:28:02 -0400 |
| commit | 7bb839d672ed3b28c7740429df4a307482868c5b (patch) | |
| tree | 0713c473994463c67c13cd80c6206886509b98d6 /arch/arm/mach-uniphier/clk/clk-ph1-pro4.c | |
| parent | ce50916ca1415da2f44931d93397d36ac0d208a2 (diff) | |
| parent | a4bb44b027705f8c05fc525180cabaa3769247bb (diff) | |
| download | u-boot-imx-7bb839d672ed3b28c7740429df4a307482868c5b.zip u-boot-imx-7bb839d672ed3b28c7740429df4a307482868c5b.tar.gz u-boot-imx-7bb839d672ed3b28c7740429df4a307482868c5b.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-uniphier
Diffstat (limited to 'arch/arm/mach-uniphier/clk/clk-ph1-pro4.c')
| -rw-r--r-- | arch/arm/mach-uniphier/clk/clk-ph1-pro4.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/clk/clk-ph1-pro4.c b/arch/arm/mach-uniphier/clk/clk-ph1-pro4.c new file mode 100644 index 0000000..2e1b20a --- /dev/null +++ b/arch/arm/mach-uniphier/clk/clk-ph1-pro4.c @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2011-2015 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_pro4_clk_init(void) +{ + u32 tmp; + + /* deassert reset */ + tmp = readl(SC_RSTCTRL); +#ifdef CONFIG_USB_XHCI_UNIPHIER + tmp |= SC_RSTCTRL_NRST_USB3B0 | SC_RSTCTRL_NRST_USB3C0 | + SC_RSTCTRL_NRST_GIO; +#endif +#ifdef CONFIG_UNIPHIER_ETH + tmp |= SC_RSTCTRL_NRST_ETHER; +#endif +#ifdef CONFIG_USB_EHCI_UNIPHIER + 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 */ + +#ifdef CONFIG_USB_XHCI_UNIPHIER + tmp = readl(SC_RSTCTRL2); + tmp |= SC_RSTCTRL2_NRST_USB3B1 | SC_RSTCTRL2_NRST_USB3C1; + 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_UNIPHIER_ETH + tmp |= SC_CLKCTRL_CEN_ETHER; +#endif +#ifdef CONFIG_USB_EHCI_UNIPHIER + 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 */ +} |