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| author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2015-02-27 02:26:58 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2015-03-01 00:02:55 +0900 |
| commit | 1535163a4e2dbc9c4a9b5c4b05cb8987f526885f (patch) | |
| tree | d6019ee377e58b50fb56789ce1b073295ada1788 /arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c | |
| parent | bdcf5a4c14200abf4e693c9b5c60ea495a2d1cef (diff) | |
| download | talos-obmc-uboot-1535163a4e2dbc9c4a9b5c4b05cb8987f526885f.tar.gz talos-obmc-uboot-1535163a4e2dbc9c4a9b5c4b05cb8987f526885f.zip | |
ARM: UniPhier: enable xHCI and GIO cores for PH1-Pro4
This is necessary to use the USB 3.0 host controllers on PH1-Pro4.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c')
| -rw-r--r-- | arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c b/arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c index 4ac5411562..054efa6537 100644 --- a/arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c +++ b/arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c @@ -14,6 +14,10 @@ void clkrst_init(void) /* 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 @@ -26,8 +30,19 @@ void clkrst_init(void) 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 |
