LXR uboot/arch/arm/mach-uniphier/ph1-pro4/ddrphy

   1/*
   2 * Copyright (C) 2014-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6
   7#include <linux/types.h>
   8#include <linux/io.h>
   9#include <mach/ddrphy-regs.h>
  10
  11void ddrphy_init(struct ddrphy __iomem *phy, int freq, int size)
  12{
  13        u32 tmp;
  14
  15        writel(0x0300c473, &phy->pgcr[1]);
  16        if (freq == 1333) {
  17                writel(0x0a806844, &phy->ptr[0]);
  18                writel(0x208e0124, &phy->ptr[1]);
  19        } else {
  20                writel(0x0c807d04, &phy->ptr[0]);
  21                writel(0x2710015E, &phy->ptr[1]);
  22        }
  23        writel(0x00083DEF, &phy->ptr[2]);
  24        if (freq == 1333) {
  25                writel(0x0f051616, &phy->ptr[3]);
  26                writel(0x06ae08d6, &phy->ptr[4]);
  27        } else {
  28                writel(0x12061A80, &phy->ptr[3]);
  29                writel(0x08027100, &phy->ptr[4]);
  30        }
  31        writel(0xF004001A, &phy->dsgcr);
  32
  33        /* change the value of the on-die pull-up/pull-down registors */
  34        tmp = readl(&phy->dxccr);
  35        tmp &= ~0x0ee0;
  36        tmp |= DXCCR_DQSNRES_688_OHM | DXCCR_DQSRES_688_OHM;
  37        writel(tmp, &phy->dxccr);
  38
  39        writel(0x0000040B, &phy->dcr);
  40        if (freq == 1333) {
  41                writel(0x85589955, &phy->dtpr[0]);
  42                if (size == 1)
  43                        writel(0x1a8363c0, &phy->dtpr[1]);
  44                else
  45                        writel(0x1a8363c0, &phy->dtpr[1]);
  46                writel(0x5002c200, &phy->dtpr[2]);
  47                writel(0x00000b51, &phy->mr0);
  48        } else {
  49                writel(0x999cbb66, &phy->dtpr[0]);
  50                if (size == 1)
  51                        writel(0x1a878400, &phy->dtpr[1]);
  52                else
  53                        writel(0x1a878400, &phy->dtpr[1]);
  54                writel(0xa00214f8, &phy->dtpr[2]);
  55                writel(0x00000d71, &phy->mr0);
  56        }
  57        writel(0x00000006, &phy->mr1);
  58        if (freq == 1333)
  59                writel(0x00000290, &phy->mr2);
  60        else
  61                writel(0x00000298, &phy->mr2);
  62
  63        writel(0x00000000, &phy->mr3);
  64
  65        while (!(readl(&phy->pgsr[0]) & PGSR0_IDONE))
  66                ;
  67
  68        writel(0x0300C473, &phy->pgcr[1]);
  69        writel(0x0000005D, &phy->zq[0].cr[1]);
  70}
  71