1 /*
2 * Definitions for the DDR registers
3 *
4 * Copyright 2002 Ryan Holm <ryan.holmQVist@idt.com>
5 * Copyright 2008 Florian Fainelli <florian@openwrt.org>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
11 *
12 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
15 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
16 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
17 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
18 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
19 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
20 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
21 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
22 *
23 * You should have received a copy of the GNU General Public License along
24 * with this program; if not, write to the Free Software Foundation, Inc.,
25 * 675 Mass Ave, Cambridge, MA 02139, USA.
26 *
27 */
28
29 #ifndef _ASM_RC32434_DDR_H_
30 #define _ASM_RC32434_DDR_H_
31
32 #include <asm/mach-rc32434/rb.h>
33
34 /* DDR register structure */
35 struct ddr_ram {
36 u32 ddrbase;
37 u32 ddrmask;
38 u32 res1;
39 u32 res2;
40 u32 ddrc;
41 u32 ddrabase;
42 u32 ddramask;
43 u32 ddramap;
44 u32 ddrcust;
45 u32 ddrrdc;
46 u32 ddrspare;
47 };
48
49 #define DDR0_PHYS_ADDR 0x18018000
50
51 /* DDR banks masks */
52 #define DDR_MASK 0xffff0000
53 #define DDR0_BASE_MSK DDR_MASK
54 #define DDR1_BASE_MSK DDR_MASK
55
56 /* DDR bank0 registers */
57 #define RC32434_DDR0_ATA_BIT 5
58 #define RC32434_DDR0_ATA_MSK 0x000000E0
59 #define RC32434_DDR0_DBW_BIT 8
60 #define RC32434_DDR0_DBW_MSK 0x00000100
61 #define RC32434_DDR0_WR_BIT 9
62 #define RC32434_DDR0_WR_MSK 0x00000600
63 #define RC32434_DDR0_PS_BIT 11
64 #define RC32434_DDR0_PS_MSK 0x00001800
65 #define RC32434_DDR0_DTYPE_BIT 13
66 #define RC32434_DDR0_DTYPE_MSK 0x0000e000
67 #define RC32434_DDR0_RFC_BIT 16
68 #define RC32434_DDR0_RFC_MSK 0x000f0000
69 #define RC32434_DDR0_RP_BIT 20
70 #define RC32434_DDR0_RP_MSK 0x00300000
71 #define RC32434_DDR0_AP_BIT 22
72 #define RC32434_DDR0_AP_MSK 0x00400000
73 #define RC32434_DDR0_RCD_BIT 23
74 #define RC32434_DDR0_RCD_MSK 0x01800000
75 #define RC32434_DDR0_CL_BIT 25
76 #define RC32434_DDR0_CL_MSK 0x06000000
77 #define RC32434_DDR0_DBM_BIT 27
78 #define RC32434_DDR0_DBM_MSK 0x08000000
79 #define RC32434_DDR0_SDS_BIT 28
80 #define RC32434_DDR0_SDS_MSK 0x10000000
81 #define RC32434_DDR0_ATP_BIT 29
82 #define RC32434_DDR0_ATP_MSK 0x60000000
83 #define RC32434_DDR0_RE_BIT 31
84 #define RC32434_DDR0_RE_MSK 0x80000000
85
86 /* DDR bank C registers */
87 #define RC32434_DDRC_MSK(x) BIT_TO_MASK(x)
88 #define RC32434_DDRC_CES_BIT 0
89 #define RC32434_DDRC_ACE_BIT 1
90
91 /* Custom DDR bank registers */
92 #define RC32434_DCST_MSK(x) BIT_TO_MASK(x)
93 #define RC32434_DCST_CS_BIT 0
94 #define RC32434_DCST_CS_MSK 0x00000003
95 #define RC32434_DCST_WE_BIT 2
96 #define RC32434_DCST_RAS_BIT 3
97 #define RC32434_DCST_CAS_BIT 4
98 #define RC32434_DSCT_CKE_BIT 5
99 #define RC32434_DSCT_BA_BIT 6
100 #define RC32434_DSCT_BA_MSK 0x000000c0
101
102 /* DDR QSC registers */
103 #define RC32434_QSC_DM_BIT 0
104 #define RC32434_QSC_DM_MSK 0x00000003
105 #define RC32434_QSC_DQSBS_BIT 2
106 #define RC32434_QSC_DQSBS_MSK 0x000000fc
107 #define RC32434_QSC_DB_BIT 8
108 #define RC32434_QSC_DB_MSK 0x00000100
109 #define RC32434_QSC_DBSP_BIT 9
110 #define RC32434_QSC_DBSP_MSK 0x01fffe00
111 #define RC32434_QSC_BDP_BIT 25
112 #define RC32434_QSC_BDP_MSK 0x7e000000
113
114 /* DDR LLC registers */
115 #define RC32434_LLC_EAO_BIT 0
116 #define RC32434_LLC_EAO_MSK 0x00000001
117 #define RC32434_LLC_EO_BIT 1
118 #define RC32434_LLC_EO_MSK 0x0000003e
119 #define RC32434_LLC_FS_BIT 6
120 #define RC32434_LLC_FS_MSK 0x000000c0
121 #define RC32434_LLC_AS_BIT 8
122 #define RC32434_LLC_AS_MSK 0x00000700
123 #define RC32434_LLC_SP_BIT 11
124 #define RC32434_LLC_SP_MSK 0x001ff800
125
126 /* DDR LLFC registers */
127 #define RC32434_LLFC_MSK(x) BIT_TO_MASK(x)
128 #define RC32434_LLFC_MEN_BIT 0
129 #define RC32434_LLFC_EAN_BIT 1
130 #define RC32434_LLFC_FF_BIT 2
131
132 /* DDR DLLTA registers */
133 #define RC32434_DLLTA_ADDR_BIT 2
134 #define RC32434_DLLTA_ADDR_MSK 0xfffffffc
135
136 /* DDR DLLED registers */
137 #define RC32434_DLLED_MSK(x) BIT_TO_MASK(x)
138 #define RC32434_DLLED_DBE_BIT 0
139 #define RC32434_DLLED_DTE_BIT 1
140
141 #endif /* _ASM_RC32434_DDR_H_ */
142
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.