]>
git.ipfire.org Git - people/ms/u-boot.git/blob - arch/arm/mach-uniphier/umc/umc-ph1-pro4.c
2 * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
4 * SPDX-License-Identifier: GPL-2.0+
10 #include <linux/sizes.h>
11 #include <mach/init.h>
12 #include <mach/umc-regs.h>
13 #include <mach/ddrphy-regs.h>
15 static void umc_start_ssif(void __iomem
*ssif_base
)
17 writel(0x00000001, ssif_base
+ 0x0000b004);
18 writel(0xffffffff, ssif_base
+ 0x0000c004);
19 writel(0x07ffffff, ssif_base
+ 0x0000c008);
20 writel(0x00000001, ssif_base
+ 0x0000b000);
21 writel(0x00000001, ssif_base
+ 0x0000c000);
23 writel(0x03010100, ssif_base
+ UMC_HDMCHSEL
);
24 writel(0x03010101, ssif_base
+ UMC_MDMCHSEL
);
25 writel(0x03010100, ssif_base
+ UMC_DVCCHSEL
);
26 writel(0x03010100, ssif_base
+ UMC_DMDCHSEL
);
28 writel(0x00000000, ssif_base
+ UMC_CLKEN_SSIF_FETCH
);
29 writel(0x00000000, ssif_base
+ UMC_CLKEN_SSIF_COMQUE0
);
30 writel(0x00000000, ssif_base
+ UMC_CLKEN_SSIF_COMWC0
);
31 writel(0x00000000, ssif_base
+ UMC_CLKEN_SSIF_COMRC0
);
32 writel(0x00000000, ssif_base
+ UMC_CLKEN_SSIF_COMQUE1
);
33 writel(0x00000000, ssif_base
+ UMC_CLKEN_SSIF_COMWC1
);
34 writel(0x00000000, ssif_base
+ UMC_CLKEN_SSIF_COMRC1
);
35 writel(0x00000000, ssif_base
+ UMC_CLKEN_SSIF_WC
);
36 writel(0x00000000, ssif_base
+ UMC_CLKEN_SSIF_RC
);
37 writel(0x00000000, ssif_base
+ UMC_CLKEN_SSIF_DST
);
38 writel(0x00000000, ssif_base
+ 0x0000c044); /* DCGIV_SSIF_REG */
40 writel(0x00000001, ssif_base
+ UMC_CPURST
);
41 writel(0x00000001, ssif_base
+ UMC_IDSRST
);
42 writel(0x00000001, ssif_base
+ UMC_IXMRST
);
43 writel(0x00000001, ssif_base
+ UMC_HDMRST
);
44 writel(0x00000001, ssif_base
+ UMC_MDMRST
);
45 writel(0x00000001, ssif_base
+ UMC_HDDRST
);
46 writel(0x00000001, ssif_base
+ UMC_MDDRST
);
47 writel(0x00000001, ssif_base
+ UMC_SIORST
);
48 writel(0x00000001, ssif_base
+ UMC_GIORST
);
49 writel(0x00000001, ssif_base
+ UMC_HD2RST
);
50 writel(0x00000001, ssif_base
+ UMC_VIORST
);
51 writel(0x00000001, ssif_base
+ UMC_DVCRST
);
52 writel(0x00000001, ssif_base
+ UMC_RGLRST
);
53 writel(0x00000001, ssif_base
+ UMC_VPERST
);
54 writel(0x00000001, ssif_base
+ UMC_AIORST
);
55 writel(0x00000001, ssif_base
+ UMC_DMDRST
);
58 static void umc_dramcont_init(void __iomem
*dramcont
, void __iomem
*ca_base
,
61 writel(0x66bb0f17, dramcont
+ UMC_CMDCTLA
);
62 writel(0x18c6aa44, dramcont
+ UMC_CMDCTLB
);
63 writel(0x5101387f, dramcont
+ UMC_INITCTLA
);
64 writel(0x43030d3f, dramcont
+ UMC_INITCTLB
);
65 writel(0x00ff00ff, dramcont
+ UMC_INITCTLC
);
66 writel(0x00000d71, dramcont
+ UMC_DRMMR0
);
67 writel(0x00000006, dramcont
+ UMC_DRMMR1
);
68 writel(0x00000298, dramcont
+ UMC_DRMMR2
);
69 writel(0x00000000, dramcont
+ UMC_DRMMR3
);
70 writel(0x003f0617, dramcont
+ UMC_SPCCTLA
);
71 writel(0x00ff0008, dramcont
+ UMC_SPCCTLB
);
72 writel(0x000c00ae, dramcont
+ UMC_RDATACTL_D0
);
73 writel(0x000c00ae, dramcont
+ UMC_RDATACTL_D1
);
74 writel(0x04060802, dramcont
+ UMC_WDATACTL_D0
);
75 writel(0x04060802, dramcont
+ UMC_WDATACTL_D1
);
76 writel(0x04a02000, dramcont
+ UMC_DATASET
);
77 writel(0x00000000, ca_base
+ 0x2300);
78 writel(0x00400020, dramcont
+ UMC_DCCGCTL
);
79 writel(0x0000000f, dramcont
+ 0x7000);
80 writel(0x0000000f, dramcont
+ 0x8000);
81 writel(0x000000c3, dramcont
+ 0x8004);
82 writel(0x00000071, dramcont
+ 0x8008);
83 writel(0x00000004, dramcont
+ UMC_FLOWCTLG
);
84 writel(0x00000000, dramcont
+ 0x0060);
85 writel(0x80000201, ca_base
+ 0xc20);
86 writel(0x0801e01e, dramcont
+ UMC_FLOWCTLA
);
87 writel(0x00200000, dramcont
+ UMC_FLOWCTLB
);
88 writel(0x00004444, dramcont
+ UMC_FLOWCTLC
);
89 writel(0x200a0a00, dramcont
+ UMC_SPCSETB
);
90 writel(0x00010000, dramcont
+ UMC_SPCSETD
);
91 writel(0x80000020, dramcont
+ UMC_DFICUPDCTLA
);
94 static int umc_init_sub(int freq
, int size_ch0
, int size_ch1
)
96 void __iomem
*ssif_base
= (void __iomem
*)UMC_SSIF_BASE
;
97 void __iomem
*ca_base0
= (void __iomem
*)UMC_CA_BASE(0);
98 void __iomem
*ca_base1
= (void __iomem
*)UMC_CA_BASE(1);
99 void __iomem
*dramcont0
= (void __iomem
*)UMC_DRAMCONT_BASE(0);
100 void __iomem
*dramcont1
= (void __iomem
*)UMC_DRAMCONT_BASE(1);
101 void __iomem
*phy0_0
= (void __iomem
*)DDRPHY_BASE(0, 0);
102 void __iomem
*phy0_1
= (void __iomem
*)DDRPHY_BASE(0, 1);
103 void __iomem
*phy1_0
= (void __iomem
*)DDRPHY_BASE(1, 0);
104 void __iomem
*phy1_1
= (void __iomem
*)DDRPHY_BASE(1, 1);
106 umc_dram_init_start(dramcont0
);
107 umc_dram_init_start(dramcont1
);
108 umc_dram_init_poll(dramcont0
);
109 umc_dram_init_poll(dramcont1
);
111 writel(0x00000101, dramcont0
+ UMC_DIOCTLA
);
113 ph1_pro4_ddrphy_init(phy0_0
, freq
, size_ch0
);
115 ddrphy_prepare_training(phy0_0
, 0);
116 ddrphy_training(phy0_0
);
118 writel(0x00000103, dramcont0
+ UMC_DIOCTLA
);
120 ph1_pro4_ddrphy_init(phy0_1
, freq
, size_ch0
);
122 ddrphy_prepare_training(phy0_1
, 1);
123 ddrphy_training(phy0_1
);
125 writel(0x00000101, dramcont1
+ UMC_DIOCTLA
);
127 ph1_pro4_ddrphy_init(phy1_0
, freq
, size_ch1
);
129 ddrphy_prepare_training(phy1_0
, 0);
130 ddrphy_training(phy1_0
);
132 writel(0x00000103, dramcont1
+ UMC_DIOCTLA
);
134 ph1_pro4_ddrphy_init(phy1_1
, freq
, size_ch1
);
136 ddrphy_prepare_training(phy1_1
, 1);
137 ddrphy_training(phy1_1
);
139 umc_dramcont_init(dramcont0
, ca_base0
, size_ch0
, freq
);
140 umc_dramcont_init(dramcont1
, ca_base1
, size_ch1
, freq
);
142 umc_start_ssif(ssif_base
);
147 int ph1_pro4_umc_init(const struct uniphier_board_data
*bd
)
149 if (((bd
->dram_ch0_size
== SZ_512M
&& bd
->dram_ch0_width
== 32) ||
150 (bd
->dram_ch0_size
== SZ_256M
&& bd
->dram_ch0_width
== 16)) &&
151 ((bd
->dram_ch1_size
== SZ_512M
&& bd
->dram_ch1_width
== 32) ||
152 (bd
->dram_ch1_size
== SZ_256M
&& bd
->dram_ch1_width
== 16)) &&
153 bd
->dram_freq
== 1600) {
154 return umc_init_sub(bd
->dram_freq
,
155 bd
->dram_ch0_size
/ SZ_128M
,
156 bd
->dram_ch1_size
/ SZ_128M
);
158 pr_err("Unsupported DDR configuration\n");