ARM: uniphier: de-couple SC macros into base address and offset

The SC_* macros represent the address of SysCtrl registers.
For a planned new SoC, its base address will be changed.

Turn the SC_* macros into the offset from the base address.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/clk/clk-pxs2.c b/arch/arm/mach-uniphier/clk/clk-pxs2.c
index afa12fa..8cb4f87 100644
--- a/arch/arm/mach-uniphier/clk/clk-pxs2.c
+++ b/arch/arm/mach-uniphier/clk/clk-pxs2.c
@@ -14,29 +14,29 @@
 	u32 tmp;
 
 	/* deassert reset */
-	tmp = readl(SC_RSTCTRL);
+	tmp = readl(sc_base + SC_RSTCTRL);
 #ifdef CONFIG_USB_DWC3_UNIPHIER
 	tmp |= SC_RSTCTRL_NRST_USB3B0 | SC_RSTCTRL_NRST_GIO;
 #endif
 #ifdef CONFIG_NAND_DENALI
 	tmp |= SC_RSTCTRL_NRST_NAND;
 #endif
-	writel(tmp, SC_RSTCTRL);
-	readl(SC_RSTCTRL); /* dummy read */
+	writel(tmp, sc_base + SC_RSTCTRL);
+	readl(sc_base + SC_RSTCTRL); /* dummy read */
 
 #ifdef CONFIG_USB_DWC3_UNIPHIER
-	tmp = readl(SC_RSTCTRL2);
+	tmp = readl(sc_base + SC_RSTCTRL2);
 	tmp |= SC_RSTCTRL2_NRST_USB3B1;
-	writel(tmp, SC_RSTCTRL2);
-	readl(SC_RSTCTRL2); /* dummy read */
+	writel(tmp, sc_base + SC_RSTCTRL2);
+	readl(sc_base + SC_RSTCTRL2); /* dummy read */
 
-	tmp = readl(SC_RSTCTRL6);
+	tmp = readl(sc_base + SC_RSTCTRL6);
 	tmp |= 0x37;
-	writel(tmp, SC_RSTCTRL6);
+	writel(tmp, sc_base + SC_RSTCTRL6);
 #endif
 
 	/* provide clocks */
-	tmp = readl(SC_CLKCTRL);
+	tmp = readl(sc_base + SC_CLKCTRL);
 #ifdef CONFIG_USB_DWC3_UNIPHIER
 	tmp |= BIT(20) | BIT(19) | SC_CLKCTRL_CEN_USB31 | SC_CLKCTRL_CEN_USB30 |
 		SC_CLKCTRL_CEN_GIO;
@@ -44,6 +44,6 @@
 #ifdef CONFIG_NAND_DENALI
 	tmp |= SC_CLKCTRL_CEN_NAND;
 #endif
-	writel(tmp, SC_CLKCTRL);
-	readl(SC_CLKCTRL); /* dummy read */
+	writel(tmp, sc_base + SC_CLKCTRL);
+	readl(sc_base + SC_CLKCTRL); /* dummy read */
 }