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git.ipfire.org Git - people/ms/u-boot.git/blob - arch/arm/mach-uniphier/dram/ddrphy-ph1-ld4.c
3000a284bbb74d6893e7fc3c736cddd6cd2726f2
2 * Copyright (C) 2014-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
4 * SPDX-License-Identifier: GPL-2.0+
7 #include <linux/types.h>
10 #include "ddrphy-regs.h"
12 int ph1_ld4_ddrphy_init(struct ddrphy __iomem
*phy
, int freq
, int size
,
17 writel(0x0300c473, &phy
->pgcr
[1]);
19 writel(0x0a806844, &phy
->ptr
[0]);
20 writel(0x208e0124, &phy
->ptr
[1]);
22 writel(0x0c807d04, &phy
->ptr
[0]);
23 writel(0x2710015E, &phy
->ptr
[1]);
25 writel(0x00083DEF, &phy
->ptr
[2]);
27 writel(0x0f051616, &phy
->ptr
[3]);
28 writel(0x06ae08d6, &phy
->ptr
[4]);
30 writel(0x12061A80, &phy
->ptr
[3]);
31 writel(0x08027100, &phy
->ptr
[4]);
33 writel(0xF004001A, &phy
->dsgcr
);
35 /* change the value of the on-die pull-up/pull-down registors */
36 tmp
= readl(&phy
->dxccr
);
38 tmp
|= DXCCR_DQSNRES_688_OHM
| DXCCR_DQSRES_688_OHM
;
39 writel(tmp
, &phy
->dxccr
);
41 writel(0x0000040B, &phy
->dcr
);
43 writel(0x85589955, &phy
->dtpr
[0]);
45 writel(0x1a8253c0, &phy
->dtpr
[1]);
47 writel(0x1a8363c0, &phy
->dtpr
[1]);
48 writel(0x5002c200, &phy
->dtpr
[2]);
49 writel(0x00000b51, &phy
->mr0
);
51 writel(0x999cbb66, &phy
->dtpr
[0]);
53 writel(0x1a82dbc0, &phy
->dtpr
[1]);
55 writel(0x1a878400, &phy
->dtpr
[1]);
56 writel(0xa00214f8, &phy
->dtpr
[2]);
57 writel(0x00000d71, &phy
->mr0
);
59 writel(0x00000006, &phy
->mr1
);
61 writel(0x00000290, &phy
->mr2
);
63 writel(0x00000298, &phy
->mr2
);
65 writel(ddr3plus
? 0x00000800 : 0x00000000, &phy
->mr3
);
67 while (!(readl(&phy
->pgsr
[0]) & PGSR0_IDONE
))
70 writel(0x0300C473, &phy
->pgcr
[1]);
71 writel(0x0000005D, &phy
->zq
[0].cr
[1]);