ARM: UniPhier: move SoC sources to mach-uniphier

Move
arch/arm/cpu/armv7/uniphier/* -> arch/arm/mach-uniphier/*

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

1 files changed, 189 insertions, 0 deletions

diff --git a/arch/arm/mach-uniphier/ph1-ld4/pll_init.c b/arch/arm/mach-uniphier/ph1-ld4/pll_init.c
new file mode 100644
index 0000000000..b83582fee7
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-ld4/pll_init.c
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2011-2014 Panasonic Corporation
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sc-regs.h>
+#include <asm/arch/sg-regs.h>
+
+#undef DPLL_SSC_RATE_1PER
+
+static void dpll_init(void)
+{
+	u32 tmp;
+
+	/*
+	 * Set Frequency
+	 * Set 0xc(1600MHz)/0xd(1333MHz)/0xe(1066MHz)
+	 * to FOUT (DPLLCTRL.bit[29:20])
+	 */
+	tmp = readl(SC_DPLLCTRL);
+	tmp &= ~0x000f0000;
+#if CONFIG_DDR_FREQ == 1600
+	tmp |= 0x000c0000;
+#elif CONFIG_DDR_FREQ == 1333
+	tmp |= 0x000d0000;
+#else
+# error "Unknown frequency"
+#endif
+
+#if defined(DPLL_SSC_RATE_1PER)
+	tmp &= ~SC_DPLLCTRL_SSC_RATE;
+#else
+	tmp |= SC_DPLLCTRL_SSC_RATE;
+#endif
+	writel(tmp, SC_DPLLCTRL);
+
+	tmp = readl(SC_DPLLCTRL2);
+	tmp |= SC_DPLLCTRL2_NRSTDS;
+	writel(tmp, SC_DPLLCTRL2);
+}
+
+static void upll_init(void)
+{
+	u32 tmp, clk_mode_upll, clk_mode_axosel;
+
+	tmp = readl(SG_PINMON0);
+	clk_mode_upll   = tmp & SG_PINMON0_CLK_MODE_UPLLSRC_MASK;
+	clk_mode_axosel = tmp & SG_PINMON0_CLK_MODE_AXOSEL_MASK;
+
+	/* set 0 to SNRT(UPLLCTRL.bit28) and K_LD(UPLLCTRL.bit[27]) */
+	tmp = readl(SC_UPLLCTRL);
+	tmp &= ~0x18000000;
+	writel(tmp, SC_UPLLCTRL);
+
+	if (clk_mode_upll == SG_PINMON0_CLK_MODE_UPLLSRC_DEFAULT) {
+		if (clk_mode_axosel == SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_U ||
+		    clk_mode_axosel == SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_A) {
+			/* AXO: 25MHz */
+			tmp &= ~0x07ffffff;
+			tmp |= 0x0228f5c0;
+		} else {
+			/* AXO: default 24.576MHz */
+			tmp &= ~0x07ffffff;
+			tmp |= 0x02328000;
+		}
+	}
+
+	writel(tmp, SC_UPLLCTRL);
+
+	/* set 1 to K_LD(UPLLCTRL.bit[27]) */
+	tmp |= 0x08000000;
+	writel(tmp, SC_UPLLCTRL);
+
+	/* wait 10 usec */
+	udelay(10);
+
+	/* set 1 to SNRT(UPLLCTRL.bit[28]) */
+	tmp |= 0x10000000;
+	writel(tmp, SC_UPLLCTRL);
+}
+
+static void vpll_init(void)
+{
+	u32 tmp, clk_mode_axosel;
+
+	tmp = readl(SG_PINMON0);
+	clk_mode_axosel = tmp & SG_PINMON0_CLK_MODE_AXOSEL_MASK;
+
+	/* set 1 to VPLA27WP and VPLA27WP */
+	tmp = readl(SC_VPLL27ACTRL);
+	tmp |= 0x00000001;
+	writel(tmp, SC_VPLL27ACTRL);
+	tmp = readl(SC_VPLL27BCTRL);
+	tmp |= 0x00000001;
+	writel(tmp, SC_VPLL27BCTRL);
+
+	/* Set 0 to VPLA_K_LD and VPLB_K_LD */
+	tmp = readl(SC_VPLL27ACTRL3);
+	tmp &= ~0x10000000;
+	writel(tmp, SC_VPLL27ACTRL3);
+	tmp = readl(SC_VPLL27BCTRL3);
+	tmp &= ~0x10000000;
+	writel(tmp, SC_VPLL27BCTRL3);
+
+	/* Set 0 to VPLA_SNRST and VPLB_SNRST */
+	tmp = readl(SC_VPLL27ACTRL2);
+	tmp &= ~0x10000000;
+	writel(tmp, SC_VPLL27ACTRL2);
+	tmp = readl(SC_VPLL27BCTRL2);
+	tmp &= ~0x10000000;
+	writel(tmp, SC_VPLL27BCTRL2);
+
+	/* Set 0x20 to VPLA_SNRST and VPLB_SNRST */
+	tmp = readl(SC_VPLL27ACTRL2);
+	tmp &= ~0x0000007f;
+	tmp |= 0x00000020;
+	writel(tmp, SC_VPLL27ACTRL2);
+	tmp = readl(SC_VPLL27BCTRL2);
+	tmp &= ~0x0000007f;
+	tmp |= 0x00000020;
+	writel(tmp, SC_VPLL27BCTRL2);
+
+	if (clk_mode_axosel == SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_U ||
+	    clk_mode_axosel == SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_A) {
+		/* AXO: 25MHz */
+		tmp = readl(SC_VPLL27ACTRL3);
+		tmp &= ~0x000fffff;
+		tmp |= 0x00066664;
+		writel(tmp, SC_VPLL27ACTRL3);
+		tmp = readl(SC_VPLL27BCTRL3);
+		tmp &= ~0x000fffff;
+		tmp |= 0x00066664;
+		writel(tmp, SC_VPLL27BCTRL3);
+	} else {
+		/* AXO: default 24.576MHz */
+		tmp = readl(SC_VPLL27ACTRL3);
+		tmp &= ~0x000fffff;
+		tmp |= 0x000f5800;
+		writel(tmp, SC_VPLL27ACTRL3);
+		tmp = readl(SC_VPLL27BCTRL3);
+		tmp &= ~0x000fffff;
+		tmp |= 0x000f5800;
+		writel(tmp, SC_VPLL27BCTRL3);
+	}
+
+	/* Set 1 to VPLA_K_LD and VPLB_K_LD */
+	tmp = readl(SC_VPLL27ACTRL3);
+	tmp |= 0x10000000;
+	writel(tmp, SC_VPLL27ACTRL3);
+	tmp = readl(SC_VPLL27BCTRL3);
+	tmp |= 0x10000000;
+	writel(tmp, SC_VPLL27BCTRL3);
+
+	/* wait 10 usec */
+	udelay(10);
+
+	/* Set 0 to VPLA_SNRST and VPLB_SNRST */
+	tmp = readl(SC_VPLL27ACTRL2);
+	tmp |= 0x10000000;
+	writel(tmp, SC_VPLL27ACTRL2);
+	tmp = readl(SC_VPLL27BCTRL2);
+	tmp |= 0x10000000;
+	writel(tmp, SC_VPLL27BCTRL2);
+
+	/* set 0 to VPLA27WP and VPLA27WP */
+	tmp = readl(SC_VPLL27ACTRL);
+	tmp &= ~0x00000001;
+	writel(tmp, SC_VPLL27ACTRL);
+	tmp = readl(SC_VPLL27BCTRL);
+	tmp |= ~0x00000001;
+	writel(tmp, SC_VPLL27BCTRL);
+}
+
+void pll_init(void)
+{
+	dpll_init();
+	upll_init();
+	vpll_init();
+
+	/*
+	 * Wait 500 usec until dpll get stable
+	 * We wait 10 usec in upll_init() and vpll_init()
+	 * so 20 usec can be saved here.
+	 */
+	udelay(480);
+}