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-rw-r--r--arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-pro4.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-pro4.c b/arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-pro4.c
new file mode 100644
index 0000000..bc47ba3
--- /dev/null
+++ b/arch/arm/mach-uniphier/ddrphy/ddrphy-ph1-pro4.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2014-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/types.h>
+#include <linux/io.h>
+#include <mach/ddrphy-regs.h>
+
+int ph1_pro4_ddrphy_init(struct ddrphy __iomem *phy, int freq, int size)
+{
+ u32 tmp;
+
+ writel(0x0300c473, &phy->pgcr[1]);
+ if (freq == 1333) {
+ writel(0x0a806844, &phy->ptr[0]);
+ writel(0x208e0124, &phy->ptr[1]);
+ } else {
+ writel(0x0c807d04, &phy->ptr[0]);
+ writel(0x2710015E, &phy->ptr[1]);
+ }
+ writel(0x00083DEF, &phy->ptr[2]);
+ if (freq == 1333) {
+ writel(0x0f051616, &phy->ptr[3]);
+ writel(0x06ae08d6, &phy->ptr[4]);
+ } else {
+ writel(0x12061A80, &phy->ptr[3]);
+ writel(0x08027100, &phy->ptr[4]);
+ }
+ writel(0xF004001A, &phy->dsgcr);
+
+ /* change the value of the on-die pull-up/pull-down registors */
+ tmp = readl(&phy->dxccr);
+ tmp &= ~0x0ee0;
+ tmp |= DXCCR_DQSNRES_688_OHM | DXCCR_DQSRES_688_OHM;
+ writel(tmp, &phy->dxccr);
+
+ writel(0x0000040B, &phy->dcr);
+ if (freq == 1333) {
+ writel(0x85589955, &phy->dtpr[0]);
+ if (size == 1)
+ writel(0x1a8363c0, &phy->dtpr[1]);
+ else
+ writel(0x1a8363c0, &phy->dtpr[1]);
+ writel(0x5002c200, &phy->dtpr[2]);
+ writel(0x00000b51, &phy->mr0);
+ } else {
+ writel(0x999cbb66, &phy->dtpr[0]);
+ if (size == 1)
+ writel(0x1a878400, &phy->dtpr[1]);
+ else
+ writel(0x1a878400, &phy->dtpr[1]);
+ writel(0xa00214f8, &phy->dtpr[2]);
+ writel(0x00000d71, &phy->mr0);
+ }
+ writel(0x00000006, &phy->mr1);
+ if (freq == 1333)
+ writel(0x00000290, &phy->mr2);
+ else
+ writel(0x00000298, &phy->mr2);
+
+ writel(0x00000000, &phy->mr3);
+
+ while (!(readl(&phy->pgsr[0]) & PGSR0_IDONE))
+ ;
+
+ writel(0x0300C473, &phy->pgcr[1]);
+ writel(0x0000005D, &phy->zq[0].cr[1]);
+
+ return 0;
+}