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Heiko Schochera25f3d02011-09-14 19:59:36 +00001/*
2 * Copyright (C) 2011
3 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
4 *
Wolfgang Denkd79de1d2013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
Heiko Schochera25f3d02011-09-14 19:59:36 +00006 */
7#ifndef _DV_DDR2_DEFS_H_
8#define _DV_DDR2_DEFS_H_
9
10/*
11 * DDR2 Memory Ctrl Register structure
12 * See sprueh7d.pdf for more details.
13 */
14struct dv_ddr2_regs_ctrl {
15 unsigned char rsvd0[4]; /* 0x00 */
16 unsigned int sdrstat; /* 0x04 */
17 unsigned int sdbcr; /* 0x08 */
18 unsigned int sdrcr; /* 0x0C */
19 unsigned int sdtimr; /* 0x10 */
20 unsigned int sdtimr2; /* 0x14 */
21 unsigned char rsvd1[4]; /* 0x18 */
22 unsigned int sdbcr2; /* 0x1C */
23 unsigned int pbbpr; /* 0x20 */
24 unsigned char rsvd2[156]; /* 0x24 */
25 unsigned int irr; /* 0xC0 */
26 unsigned int imr; /* 0xC4 */
27 unsigned int imsr; /* 0xC8 */
28 unsigned int imcr; /* 0xCC */
29 unsigned char rsvd3[20]; /* 0xD0 */
30 unsigned int ddrphycr; /* 0xE4 */
31 unsigned int ddrphycr2; /* 0xE8 */
32 unsigned char rsvd4[4]; /* 0xEC */
33};
34
35#define DV_DDR_PHY_PWRDNEN 0x40
36#define DV_DDR_PHY_EXT_STRBEN 0x80
37#define DV_DDR_PHY_RD_LATENCY_SHIFT 0
38
39#define DV_DDR_SDTMR1_RFC_SHIFT 25
40#define DV_DDR_SDTMR1_RP_SHIFT 22
41#define DV_DDR_SDTMR1_RCD_SHIFT 19
42#define DV_DDR_SDTMR1_WR_SHIFT 16
43#define DV_DDR_SDTMR1_RAS_SHIFT 11
44#define DV_DDR_SDTMR1_RC_SHIFT 6
45#define DV_DDR_SDTMR1_RRD_SHIFT 3
46#define DV_DDR_SDTMR1_WTR_SHIFT 0
47
48#define DV_DDR_SDTMR2_RASMAX_SHIFT 27
49#define DV_DDR_SDTMR2_XP_SHIFT 25
Heiko Schocher34061e82011-11-15 10:00:02 -050050#define DV_DDR_SDTMR2_ODT_SHIFT 23
Heiko Schochera25f3d02011-09-14 19:59:36 +000051#define DV_DDR_SDTMR2_XSNR_SHIFT 16
52#define DV_DDR_SDTMR2_XSRD_SHIFT 8
53#define DV_DDR_SDTMR2_RTP_SHIFT 5
54#define DV_DDR_SDTMR2_CKE_SHIFT 0
55
56#define DV_DDR_SDCR_DDR2TERM1_SHIFT 27
57#define DV_DDR_SDCR_IBANK_POS_SHIFT 26
58#define DV_DDR_SDCR_MSDRAMEN_SHIFT 25
59#define DV_DDR_SDCR_DDRDRIVE1_SHIFT 24
60#define DV_DDR_SDCR_BOOTUNLOCK_SHIFT 23
61#define DV_DDR_SDCR_DDR_DDQS_SHIFT 22
62#define DV_DDR_SDCR_DDR2EN_SHIFT 20
63#define DV_DDR_SDCR_DDRDRIVE0_SHIFT 18
64#define DV_DDR_SDCR_DDREN_SHIFT 17
65#define DV_DDR_SDCR_SDRAMEN_SHIFT 16
66#define DV_DDR_SDCR_TIMUNLOCK_SHIFT 15
67#define DV_DDR_SDCR_BUS_WIDTH_SHIFT 14
68#define DV_DDR_SDCR_CL_SHIFT 9
69#define DV_DDR_SDCR_IBANK_SHIFT 4
70#define DV_DDR_SDCR_PAGESIZE_SHIFT 0
71
Heiko Schocher34061e82011-11-15 10:00:02 -050072#define DV_DDR_SDRCR_LPMODEN (1 << 31)
73#define DV_DDR_SDRCR_MCLKSTOPEN (1 << 30)
74
Heiko Schochera25f3d02011-09-14 19:59:36 +000075#define DV_DDR_SRCR_LPMODEN_SHIFT 31
76#define DV_DDR_SRCR_MCLKSTOPEN_SHIFT 30
77
78#define DV_DDR_BOOTUNLOCK (1 << DV_DDR_SDCR_BOOTUNLOCK_SHIFT)
79#define DV_DDR_TIMUNLOCK (1 << DV_DDR_SDCR_TIMUNLOCK_SHIFT)
80
81#define dv_ddr2_regs_ctrl \
82 ((struct dv_ddr2_regs_ctrl *)DAVINCI_DDR_EMIF_CTRL_BASE)
83
84#endif /* _DV_DDR2_DEFS_H_ */