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ARM: UniPhier: enable STDMAC for EHCI

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Deassert the reset signal and provide the clock for STDMAC core.
This is necessary for the USB 2.0 host controllers.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
This commit is contained in:
Masahiro Yamada 2015-02-27 02:26:53 +09:00
parent d3384bf77e
commit 42ca6982ff
3 changed files with 10 additions and 2 deletions
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2
arch/arm/mach-uniphier/include/mach/sc-regs.h
View file

@ -39,6 +39,7 @@
#define SC_RSTCTRL (SC_BASE_ADDR | 0x2000)
#define SC_RSTCTRL_NRST_ETHER (0x1 << 12)
#define SC_RSTCTRL_NRST_STDMAC (0x1 << 10)
#define SC_RSTCTRL_NRST_UMC1 (0x1 << 5)
#define SC_RSTCTRL_NRST_UMC0 (0x1 << 4)
#define SC_RSTCTRL_NRST_NAND (0x1 << 2)
@ -49,6 +50,7 @@
#define SC_CLKCTRL (SC_BASE_ADDR | 0x2104)
#define SC_CLKCTRL_CEN_ETHER (0x1 << 12)
#define SC_CLKCTRL_CEN_MIO (0x1 << 11)
#define SC_CLKCTRL_CEN_STDMAC (0x1 << 10)
#define SC_CLKCTRL_CEN_UMC (0x1 << 4)
#define SC_CLKCTRL_CEN_NAND (0x1 << 2)
#define SC_CLKCTRL_CEN_SBC (0x1 << 1)

5
arch/arm/mach-uniphier/ph1-ld4/clkrst_init.c
View file

@ -17,6 +17,9 @@ void clkrst_init(void)
#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
@ -29,7 +32,7 @@ void clkrst_init(void)
tmp |= SC_CLKCTRL_CEN_ETHER;
#endif
#ifdef CONFIG_USB_EHCI_UNIPHIER
tmp |= SC_CLKCTRL_CEN_MIO;
tmp |= SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_STDMAC;
#endif
#ifdef CONFIG_NAND_DENALI
tmp |= SC_CLKCTRL_CEN_NAND;

5
arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c
View file

@ -17,6 +17,9 @@ void clkrst_init(void)
#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
@ -29,7 +32,7 @@ void clkrst_init(void)
tmp |= SC_CLKCTRL_CEN_ETHER;
#endif
#ifdef CONFIG_USB_EHCI_UNIPHIER
tmp |= SC_CLKCTRL_CEN_MIO;
tmp |= SC_CLKCTRL_CEN_MIO | SC_CLKCTRL_CEN_STDMAC;
#endif
#ifdef CONFIG_NAND_DENALI
tmp |= SC_CLKCTRL_CEN_NAND;