[U-Boot] [PATCH] ARM: uniphier: setup EHCI PHY paramters for LD11

Masahiro Yamada yamada.masahiro at socionext.com
Fri Apr 14 02:30:05 UTC 2017


Set the same PHY parameters as the Boot ROM uses.

Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
---

 arch/arm/mach-uniphier/clk/clk-ld11.c | 9 +++++++++
 arch/arm/mach-uniphier/sg-regs.h      | 1 +
 2 files changed, 10 insertions(+)

diff --git a/arch/arm/mach-uniphier/clk/clk-ld11.c b/arch/arm/mach-uniphier/clk/clk-ld11.c
index a4dcde7..36aa787 100644
--- a/arch/arm/mach-uniphier/clk/clk-ld11.c
+++ b/arch/arm/mach-uniphier/clk/clk-ld11.c
@@ -37,9 +37,18 @@ void uniphier_ld11_clk_init(void)
 	{
 		/* FIXME: the current clk driver can not handle parents */
 		u32 tmp;
+		int ch;
+
 		tmp = readl(SC_CLKCTRL4);
 		tmp |= SC_CLKCTRL4_MIO | SC_CLKCTRL4_STDMAC;
 		writel(tmp, SC_CLKCTRL4);
+
+		for (ch = 0; ch < 3; ch++) {
+			void __iomem *phyctrl = (void __iomem *)SG_USBPHYCTRL;
+
+			writel(0x82280600, phyctrl + 8 * ch);
+			writel(0x00000106, phyctrl + 8 * ch + 4);
+		}
 	}
 #endif
 }
diff --git a/arch/arm/mach-uniphier/sg-regs.h b/arch/arm/mach-uniphier/sg-regs.h
index 4d7e6f7..dc94084 100644
--- a/arch/arm/mach-uniphier/sg-regs.h
+++ b/arch/arm/mach-uniphier/sg-regs.h
@@ -55,6 +55,7 @@
 
 #define SG_MEMCONF_SPARSEMEM		(0x1 << 4)
 
+#define SG_USBPHYCTRL			(SG_CTRL_BASE | 0x500)
 #define SG_ETPHYPSHUT			(SG_CTRL_BASE | 0x554)
 #define SG_ETPHYCNT			(SG_CTRL_BASE | 0x550)
 
-- 
2.7.4



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