blob: 7df5aea0f30b9520f85f81181b67be936667c97c [file] [log] [blame]
Masahiro Yamadab614e162014-12-19 20:20:52 +09001/*
2 * Copyright (C) 2014 Panasonic Corporation
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7#include <linux/types.h>
8#include <asm/io.h>
Masahiro Yamadaa86ac952015-02-27 02:26:44 +09009#include <mach/ddrphy-regs.h>
Masahiro Yamadab614e162014-12-19 20:20:52 +090010
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}