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-dram-pro5.c b/arch/arm/mach-uniphier/clk/clk-dram-pro5.c
index 7674ceb..808d1eb 100644
--- a/arch/arm/mach-uniphier/clk/clk-dram-pro5.c
+++ b/arch/arm/mach-uniphier/clk/clk-dram-pro5.c
@@ -18,17 +18,17 @@
 	 * UMCA1, UMC31: Ch0 (WIO1)
 	 * UMCA0, UMC30: Ch0 (WIO0)
 	 */
-	tmp = readl(SC_RSTCTRL4);
+	tmp = readl(sc_base + SC_RSTCTRL4);
 	tmp |= SC_RSTCTRL4_NRST_UMCSB | SC_RSTCTRL4_NRST_UMCA2 |
 	       SC_RSTCTRL4_NRST_UMCA1 | SC_RSTCTRL4_NRST_UMCA0 |
 	       SC_RSTCTRL4_NRST_UMC31 | SC_RSTCTRL4_NRST_UMC30;
-	writel(tmp, SC_RSTCTRL4);
-	readl(SC_RSTCTRL4); /* dummy read */
+	writel(tmp, sc_base + SC_RSTCTRL4);
+	readl(sc_base + SC_RSTCTRL4); /* dummy read */
 
 	/* provide clocks */
-	tmp = readl(SC_CLKCTRL4);
+	tmp = readl(sc_base + SC_CLKCTRL4);
 	tmp |= SC_CLKCTRL4_CEN_UMCSB | SC_CLKCTRL4_CEN_UMC1 |
 	       SC_CLKCTRL4_CEN_UMC0;
-	writel(tmp, SC_CLKCTRL4);
-	readl(SC_CLKCTRL4); /* dummy read */
+	writel(tmp, sc_base + SC_CLKCTRL4);
+	readl(sc_base + SC_CLKCTRL4); /* dummy read */
 }