[U-Boot] [PATCH v4 08/20] ARM: UniPhier: enable STDMAC for EHCI
Masahiro Yamada
yamada.m at jp.panasonic.com
Tue Feb 24 05:43:12 CET 2015
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 at jp.panasonic.com>
---
Changes in v4: None
Changes in v3: None
Changes in v2: None
arch/arm/mach-uniphier/include/mach/sc-regs.h | 2 ++
arch/arm/mach-uniphier/ph1-ld4/clkrst_init.c | 5 ++++-
arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c | 5 ++++-
3 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-uniphier/include/mach/sc-regs.h b/arch/arm/mach-uniphier/include/mach/sc-regs.h
index 1197bb5..daeeec9 100644
--- a/arch/arm/mach-uniphier/include/mach/sc-regs.h
+++ b/arch/arm/mach-uniphier/include/mach/sc-regs.h
@@ -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_CLK_ETHER (0x1 << 12)
#define SC_CLKCTRL_CLK_MIO (0x1 << 11)
+#define SC_CLKCTRL_CLK_STDMAC (0x1 << 10)
#define SC_CLKCTRL_CLK_UMC (0x1 << 4)
#define SC_CLKCTRL_CLK_NAND (0x1 << 2)
#define SC_CLKCTRL_CLK_SBC (0x1 << 1)
diff --git a/arch/arm/mach-uniphier/ph1-ld4/clkrst_init.c b/arch/arm/mach-uniphier/ph1-ld4/clkrst_init.c
index 158132c..9fb0342 100644
--- a/arch/arm/mach-uniphier/ph1-ld4/clkrst_init.c
+++ b/arch/arm/mach-uniphier/ph1-ld4/clkrst_init.c
@@ -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_CLK_ETHER;
#endif
#ifdef CONFIG_USB_EHCI_UNIPHIER
- tmp |= SC_CLKCTRL_CLK_MIO;
+ tmp |= SC_CLKCTRL_CLK_MIO | SC_CLKCTRL_CLK_STDMAC;
#endif
#ifdef CONFIG_NAND_DENALI
tmp |= SC_CLKCTRL_CLK_NAND;
diff --git a/arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c b/arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c
index 158132c..9fb0342 100644
--- a/arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c
+++ b/arch/arm/mach-uniphier/ph1-pro4/clkrst_init.c
@@ -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_CLK_ETHER;
#endif
#ifdef CONFIG_USB_EHCI_UNIPHIER
- tmp |= SC_CLKCTRL_CLK_MIO;
+ tmp |= SC_CLKCTRL_CLK_MIO | SC_CLKCTRL_CLK_STDMAC;
#endif
#ifdef CONFIG_NAND_DENALI
tmp |= SC_CLKCTRL_CLK_NAND;
--
1.9.1
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